diff options
Diffstat (limited to 'src/journal-remote')
| -rw-r--r-- | src/journal-remote/.gitignore | 2 | ||||
| l--------- | src/journal-remote/Makefile | 1 | ||||
| -rw-r--r-- | src/journal-remote/browse.html | 544 | ||||
| -rw-r--r-- | src/journal-remote/journal-gatewayd.c | 1077 | ||||
| -rw-r--r-- | src/journal-remote/journal-remote-parse.c | 506 | ||||
| -rw-r--r-- | src/journal-remote/journal-remote-parse.h | 69 | ||||
| -rw-r--r-- | src/journal-remote/journal-remote-write.c | 168 | ||||
| -rw-r--r-- | src/journal-remote/journal-remote-write.h | 70 | ||||
| -rw-r--r-- | src/journal-remote/journal-remote.c | 1601 | ||||
| -rw-r--r-- | src/journal-remote/journal-remote.conf.in | 6 | ||||
| -rw-r--r-- | src/journal-remote/journal-remote.h | 52 | ||||
| -rw-r--r-- | src/journal-remote/journal-upload-journal.c | 422 | ||||
| -rw-r--r-- | src/journal-remote/journal-upload.c | 880 | ||||
| -rw-r--r-- | src/journal-remote/journal-upload.conf.in | 5 | ||||
| -rw-r--r-- | src/journal-remote/journal-upload.h | 71 | ||||
| -rwxr-xr-x | src/journal-remote/log-generator.py | 76 | ||||
| -rw-r--r-- | src/journal-remote/microhttpd-util.c | 327 | ||||
| -rw-r--r-- | src/journal-remote/microhttpd-util.h | 60 |
18 files changed, 0 insertions, 5937 deletions
diff --git a/src/journal-remote/.gitignore b/src/journal-remote/.gitignore deleted file mode 100644 index 06847b65d4..0000000000 --- a/src/journal-remote/.gitignore +++ /dev/null @@ -1,2 +0,0 @@ -/journal-remote.conf -/journal-upload.conf diff --git a/src/journal-remote/Makefile b/src/journal-remote/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/journal-remote/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile
\ No newline at end of file diff --git a/src/journal-remote/browse.html b/src/journal-remote/browse.html deleted file mode 100644 index 32848c7673..0000000000 --- a/src/journal-remote/browse.html +++ /dev/null @@ -1,544 +0,0 @@ -<!DOCTYPE html> -<html> -<head> - <title>Journal</title> - <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> - <style type="text/css"> - div#divlogs, div#diventry { - font-family: monospace; - font-size: 7pt; - background-color: #ffffff; - padding: 1em; - margin: 2em 0em; - border-radius: 10px 10px 10px 10px; - border: 1px solid threedshadow; - white-space: nowrap; - overflow-x: scroll; - } - div#diventry { - display: none; - } - div#divlogs { - display: block; - } - body { - background-color: #ededed; - color: #313739; - font: message-box; - margin: 3em; - } - td.timestamp { - text-align: right; - border-right: 1px dotted lightgrey; - padding-right: 5px; - } - td.process { - border-right: 1px dotted lightgrey; - padding-left: 5px; - padding-right: 5px; - } - td.message { - padding-left: 5px; - } - td.message > a:link, td.message > a:visited { - text-decoration: none; - color: #313739; - } - td.message-error { - padding-left: 5px; - color: red; - font-weight: bold; - } - td.message-error > a:link, td.message-error > a:visited { - text-decoration: none; - color: red; - } - td.message-highlight { - padding-left: 5px; - font-weight: bold; - } - td.message-highlight > a:link, td.message-highlight > a:visited { - text-decoration: none; - color: #313739; - } - td > a:hover, td > a:active { - text-decoration: underline; - color: #c13739; - } - table#tablelogs, table#tableentry { - border-collapse: collapse; - } - td.field { - text-align: right; - border-right: 1px dotted lightgrey; - padding-right: 5px; - } - td.data { - padding-left: 5px; - } - div#keynav { - text-align: center; - font-size: 7pt; - color: #818789; - padding-top: 2em; - } - span.key { - font-weight: bold; - color: #313739; - } - div#buttonnav { - text-align: center; - } - button { - font-size: 18pt; - font-weight: bold; - width: 2em; - height: 2em; - } - div#filternav { - text-align: center; - } - select { - width: 50em; - } - </style> -</head> - -<body> - <!-- TODO: - - live display - - show red lines for reboots --> - - <h1 id="title"></h1> - - <div id="os"></div> - <div id="virtualization"></div> - <div id="cutoff"></div> - <div id="machine"></div> - <div id="usage"></div> - <div id="showing"></div> - - <div id="filternav"> - <select id="filter" onchange="onFilterChange(this);" onfocus="onFilterFocus(this);"> - <option>No filter</option> - </select> - - <input id="boot" type="checkbox" onchange="onBootChange(this);">Only current boot</input> - </div> - - <div id="divlogs"><table id="tablelogs"></table></div> - <a name="entry"></a> - <div id="diventry"><table id="tableentry"></table></div> - - <div id="buttonnav"> - <button id="head" onclick="entriesLoadHead();" title="First Page">⇤</button> - <button id="previous" type="button" onclick="entriesLoadPrevious();" title="Previous Page"/>←</button> - <button id="next" type="button" onclick="entriesLoadNext();" title="Next Page"/>→</button> - <button id="tail" type="button" onclick="entriesLoadTail();" title="Last Page"/>⇥</button> - - <button id="more" type="button" onclick="entriesMore();" title="More Entries"/>+</button> - <button id="less" type="button" onclick="entriesLess();" title="Fewer Entries"/>-</button> - </div> - - <div id="keynav"> - <span class="key">g</span>: First Page - <span class="key">←, k, BACKSPACE</span>: Previous Page - <span class="key">→, j, SPACE</span>: Next Page - <span class="key">G</span>: Last Page - <span class="key">+</span>: More entries - <span class="key">-</span>: Fewer entries - </div> - - <script type="text/javascript"> - var first_cursor = null; - var last_cursor = null; - - function getNEntries() { - var n; - n = localStorage["n_entries"]; - if (n == null) - return 50; - n = parseInt(n); - if (n < 10) - return 10; - if (n > 1000) - return 1000; - return n; - } - - function showNEntries(n) { - var showing = document.getElementById("showing"); - showing.innerHTML = "Showing <b>" + n.toString() + "</b> entries."; - } - - function setNEntries(n) { - if (n < 10) - return 10; - if (n > 1000) - return 1000; - localStorage["n_entries"] = n.toString(); - showNEntries(n); - } - - function machineLoad() { - var request = new XMLHttpRequest(); - request.open("GET", "/machine"); - request.onreadystatechange = machineOnResult; - request.setRequestHeader("Accept", "application/json"); - request.send(null); - } - - function formatBytes(u) { - if (u >= 1024*1024*1024*1024) - return (u/1024/1024/1024/1024).toFixed(1) + " TiB"; - else if (u >= 1024*1024*1024) - return (u/1024/1024/1024).toFixed(1) + " GiB"; - else if (u >= 1024*1024) - return (u/1024/1024).toFixed(1) + " MiB"; - else if (u >= 1024) - return (u/1024).toFixed(1) + " KiB"; - else - return u.toString() + " B"; - } - - function escapeHTML(s) { - return s.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">"); - } - - function machineOnResult(event) { - if ((event.currentTarget.readyState != 4) || - (event.currentTarget.status != 200 && event.currentTarget.status != 0)) - return; - - var d = JSON.parse(event.currentTarget.responseText); - - var title = document.getElementById("title"); - title.innerHTML = 'Journal of ' + escapeHTML(d.hostname); - document.title = 'Journal of ' + escapeHTML(d.hostname); - - var machine = document.getElementById("machine"); - machine.innerHTML = 'Machine ID is <b>' + d.machine_id + '</b>, current boot ID is <b>' + d.boot_id + '</b>.'; - - var cutoff = document.getElementById("cutoff"); - var from = new Date(parseInt(d.cutoff_from_realtime) / 1000); - var to = new Date(parseInt(d.cutoff_to_realtime) / 1000); - cutoff.innerHTML = 'Journal begins at <b>' + from.toLocaleString() + '</b> and ends at <b>' + to.toLocaleString() + '</b>.'; - - var usage = document.getElementById("usage"); - usage.innerHTML = 'Disk usage is <b>' + formatBytes(parseInt(d.usage)) + '</b>.'; - - var os = document.getElementById("os"); - os.innerHTML = 'Operating system is <b>' + escapeHTML(d.os_pretty_name) + '</b>.'; - - var virtualization = document.getElementById("virtualization"); - virtualization.innerHTML = d.virtualization == "bare" ? "Running on <b>bare metal</b>." : "Running on virtualization <b>" + escapeHTML(d.virtualization) + "</b>."; - } - - function entriesLoad(range) { - - if (range == null) - range = localStorage["cursor"] + ":0"; - if (range == null) - range = ""; - - var url = "/entries"; - - if (localStorage["filter"] != "" && localStorage["filter"] != null) { - url += "?_SYSTEMD_UNIT=" + escape(localStorage["filter"]); - - if (localStorage["boot"] == "1") - url += "&boot"; - } else { - if (localStorage["boot"] == "1") - url += "?boot"; - } - - var request = new XMLHttpRequest(); - request.open("GET", url); - request.onreadystatechange = entriesOnResult; - request.setRequestHeader("Accept", "application/json"); - request.setRequestHeader("Range", "entries=" + range + ":" + getNEntries().toString()); - request.send(null); - } - - function entriesLoadNext() { - if (last_cursor == null) - entriesLoad(""); - else - entriesLoad(last_cursor + ":1"); - } - - function entriesLoadPrevious() { - if (first_cursor == null) - entriesLoad(""); - else - entriesLoad(first_cursor + ":-" + getNEntries().toString()); - } - - function entriesLoadHead() { - entriesLoad(""); - } - - function entriesLoadTail() { - entriesLoad(":-" + getNEntries().toString()); - } - - function entriesOnResult(event) { - - if ((event.currentTarget.readyState != 4) || - (event.currentTarget.status != 200 && event.currentTarget.status != 0)) - return; - - var logs = document.getElementById("tablelogs"); - - var lc = null; - var fc = null; - - var i, l = event.currentTarget.responseText.split('\n'); - - if (l.length <= 1) { - logs.innerHTML = '<tbody><tr><td colspan="3"><i>No further entries...</i></td></tr></tbody>'; - return; - } - - var buf = ''; - - for (i in l) { - - if (l[i] == '') - continue; - - var d = JSON.parse(l[i]); - if (d.MESSAGE == undefined || d.__CURSOR == undefined) - continue; - - if (fc == null) - fc = d.__CURSOR; - lc = d.__CURSOR; - - var priority; - if (d.PRIORITY != undefined) - priority = parseInt(d.PRIORITY); - else - priority = 6; - - if (priority <= 3) - clazz = "message-error"; - else if (priority <= 5) - clazz = "message-highlight"; - else - clazz = "message"; - - buf += '<tr><td class="timestamp">'; - - if (d.__REALTIME_TIMESTAMP != undefined) { - var timestamp = new Date(parseInt(d.__REALTIME_TIMESTAMP) / 1000); - buf += timestamp.toLocaleString(); - } - - buf += '</td><td class="process">'; - - if (d.SYSLOG_IDENTIFIER != undefined) - buf += escapeHTML(d.SYSLOG_IDENTIFIER); - else if (d._COMM != undefined) - buf += escapeHTML(d._COMM); - - if (d._PID != undefined) - buf += "[" + escapeHTML(d._PID) + "]"; - else if (d.SYSLOG_PID != undefined) - buf += "[" + escapeHTML(d.SYSLOG_PID) + "]"; - - buf += '</td><td class="' + clazz + '"><a href="#entry" onclick="onMessageClick(\'' + d.__CURSOR + '\');">'; - - if (d.MESSAGE == null) - buf += "[blob data]"; - else if (d.MESSAGE instanceof Array) - buf += "[" + formatBytes(d.MESSAGE.length) + " blob data]"; - else - buf += escapeHTML(d.MESSAGE); - - buf += '</a></td></tr>'; - } - - logs.innerHTML = '<tbody>' + buf + '</tbody>'; - - if (fc != null) { - first_cursor = fc; - localStorage["cursor"] = fc; - } - if (lc != null) - last_cursor = lc; - } - - function entriesMore() { - setNEntries(getNEntries() + 10); - entriesLoad(first_cursor); - } - - function entriesLess() { - setNEntries(getNEntries() - 10); - entriesLoad(first_cursor); - } - - function onResultMessageClick(event) { - if ((event.currentTarget.readyState != 4) || - (event.currentTarget.status != 200 && event.currentTarget.status != 0)) - return; - - var d = JSON.parse(event.currentTarget.responseText); - - document.getElementById("diventry").style.display = "block"; - entry = document.getElementById("tableentry"); - - var buf = ""; - for (var key in d) { - var data = d[key]; - - if (data == null) - data = "[blob data]"; - else if (data instanceof Array) - data = "[" + formatBytes(data.length) + " blob data]"; - else - data = escapeHTML(data); - - buf += '<tr><td class="field">' + key + '</td><td class="data">' + data + '</td></tr>'; - } - entry.innerHTML = '<tbody>' + buf + '</tbody>'; - } - - function onMessageClick(t) { - var request = new XMLHttpRequest(); - request.open("GET", "/entries?discrete"); - request.onreadystatechange = onResultMessageClick; - request.setRequestHeader("Accept", "application/json"); - request.setRequestHeader("Range", "entries=" + t + ":0:1"); - request.send(null); - } - - function onKeyUp(event) { - switch (event.keyCode) { - case 8: - case 37: - case 75: - entriesLoadPrevious(); - break; - case 32: - case 39: - case 74: - entriesLoadNext(); - break; - - case 71: - if (event.shiftKey) - entriesLoadTail(); - else - entriesLoadHead(); - break; - case 171: - entriesMore(); - break; - case 173: - entriesLess(); - break; - } - } - - function onMouseWheel(event) { - if (event.detail < 0 || event.wheelDelta > 0) - entriesLoadPrevious(); - else - entriesLoadNext(); - } - - function onResultFilterFocus(event) { - if ((event.currentTarget.readyState != 4) || - (event.currentTarget.status != 200 && event.currentTarget.status != 0)) - return; - - f = document.getElementById("filter"); - - var l = event.currentTarget.responseText.split('\n'); - var buf = '<option>No filter</option>'; - var j = -1; - - for (i in l) { - - if (l[i] == '') - continue; - - var d = JSON.parse(l[i]); - if (d._SYSTEMD_UNIT == undefined) - continue; - - buf += '<option value="' + escape(d._SYSTEMD_UNIT) + '">' + escapeHTML(d._SYSTEMD_UNIT) + '</option>'; - - if (d._SYSTEMD_UNIT == localStorage["filter"]) - j = i; - } - - if (j < 0) { - if (localStorage["filter"] != null && localStorage["filter"] != "") { - buf += '<option value="' + escape(localStorage["filter"]) + '">' + escapeHTML(localStorage["filter"]) + '</option>'; - j = i + 1; - } else - j = 0; - } - - f.innerHTML = buf; - f.selectedIndex = j; - } - - function onFilterFocus(w) { - var request = new XMLHttpRequest(); - request.open("GET", "/fields/_SYSTEMD_UNIT"); - request.onreadystatechange = onResultFilterFocus; - request.setRequestHeader("Accept", "application/json"); - request.send(null); - } - - function onFilterChange(w) { - if (w.selectedIndex <= 0) - localStorage["filter"] = ""; - else - localStorage["filter"] = unescape(w.options[w.selectedIndex].value); - - entriesLoadHead(); - } - - function onBootChange(w) { - localStorage["boot"] = w.checked ? "1" : "0"; - entriesLoadHead(); - } - - function initFilter() { - f = document.getElementById("filter"); - - var buf = '<option>No filter</option>'; - - var filter = localStorage["filter"]; - if (filter != null && filter != "") { - buf += '<option value="' + escape(filter) + '">' + escapeHTML(filter) + '</option>'; - j = 1; - } else - j = 0; - - f.innerHTML = buf; - f.selectedIndex = j; - } - - function installHandlers() { - document.onkeyup = onKeyUp; - - logs = document.getElementById("divlogs"); - logs.addEventListener("mousewheel", onMouseWheel, false); - logs.addEventListener("DOMMouseScroll", onMouseWheel, false); - } - - machineLoad(); - entriesLoad(null); - showNEntries(getNEntries()); - initFilter(); - installHandlers(); - </script> -</body> -</html> diff --git a/src/journal-remote/journal-gatewayd.c b/src/journal-remote/journal-gatewayd.c deleted file mode 100644 index e265027a04..0000000000 --- a/src/journal-remote/journal-gatewayd.c +++ /dev/null @@ -1,1077 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2012 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <fcntl.h> -#include <getopt.h> -#ifdef HAVE_GNUTLS -#include <gnutls/gnutls.h> -#endif -#include <microhttpd.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "sd-bus.h" -#include "sd-daemon.h" -#include "sd-journal.h" - -#include "alloc-util.h" -#include "bus-util.h" -#include "fd-util.h" -#include "fileio.h" -#include "hostname-util.h" -#include "log.h" -#include "logs-show.h" -#include "microhttpd-util.h" -#include "parse-util.h" -#include "sigbus.h" -#include "util.h" - -#define JOURNAL_WAIT_TIMEOUT (10*USEC_PER_SEC) - -static char *arg_key_pem = NULL; -static char *arg_cert_pem = NULL; -static char *arg_trust_pem = NULL; - -typedef struct RequestMeta { - sd_journal *journal; - - OutputMode mode; - - char *cursor; - int64_t n_skip; - uint64_t n_entries; - bool n_entries_set; - - FILE *tmp; - uint64_t delta, size; - - int argument_parse_error; - - bool follow; - bool discrete; - - uint64_t n_fields; - bool n_fields_set; -} RequestMeta; - -static const char* const mime_types[_OUTPUT_MODE_MAX] = { - [OUTPUT_SHORT] = "text/plain", - [OUTPUT_JSON] = "application/json", - [OUTPUT_JSON_SSE] = "text/event-stream", - [OUTPUT_EXPORT] = "application/vnd.fdo.journal", -}; - -static RequestMeta *request_meta(void **connection_cls) { - RequestMeta *m; - - assert(connection_cls); - if (*connection_cls) - return *connection_cls; - - m = new0(RequestMeta, 1); - if (!m) - return NULL; - - *connection_cls = m; - return m; -} - -static void request_meta_free( - void *cls, - struct MHD_Connection *connection, - void **connection_cls, - enum MHD_RequestTerminationCode toe) { - - RequestMeta *m = *connection_cls; - - if (!m) - return; - - sd_journal_close(m->journal); - - safe_fclose(m->tmp); - - free(m->cursor); - free(m); -} - -static int open_journal(RequestMeta *m) { - assert(m); - - if (m->journal) - return 0; - - return sd_journal_open(&m->journal, SD_JOURNAL_LOCAL_ONLY|SD_JOURNAL_SYSTEM); -} - -static int request_meta_ensure_tmp(RequestMeta *m) { - assert(m); - - if (m->tmp) - rewind(m->tmp); - else { - int fd; - - fd = open_tmpfile_unlinkable("/tmp", O_RDWR|O_CLOEXEC); - if (fd < 0) - return fd; - - m->tmp = fdopen(fd, "w+"); - if (!m->tmp) { - safe_close(fd); - return -errno; - } - } - - return 0; -} - -static ssize_t request_reader_entries( - void *cls, - uint64_t pos, - char *buf, - size_t max) { - - RequestMeta *m = cls; - int r; - size_t n, k; - - assert(m); - assert(buf); - assert(max > 0); - assert(pos >= m->delta); - - pos -= m->delta; - - while (pos >= m->size) { - off_t sz; - - /* End of this entry, so let's serialize the next - * one */ - - if (m->n_entries_set && - m->n_entries <= 0) - return MHD_CONTENT_READER_END_OF_STREAM; - - if (m->n_skip < 0) - r = sd_journal_previous_skip(m->journal, (uint64_t) -m->n_skip + 1); - else if (m->n_skip > 0) - r = sd_journal_next_skip(m->journal, (uint64_t) m->n_skip + 1); - else - r = sd_journal_next(m->journal); - - if (r < 0) { - log_error_errno(r, "Failed to advance journal pointer: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } else if (r == 0) { - - if (m->follow) { - r = sd_journal_wait(m->journal, (uint64_t) JOURNAL_WAIT_TIMEOUT); - if (r < 0) { - log_error_errno(r, "Couldn't wait for journal event: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - if (r == SD_JOURNAL_NOP) - break; - - continue; - } - - return MHD_CONTENT_READER_END_OF_STREAM; - } - - if (m->discrete) { - assert(m->cursor); - - r = sd_journal_test_cursor(m->journal, m->cursor); - if (r < 0) { - log_error_errno(r, "Failed to test cursor: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - - if (r == 0) - return MHD_CONTENT_READER_END_OF_STREAM; - } - - pos -= m->size; - m->delta += m->size; - - if (m->n_entries_set) - m->n_entries -= 1; - - m->n_skip = 0; - - r = request_meta_ensure_tmp(m); - if (r < 0) { - log_error_errno(r, "Failed to create temporary file: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - - r = output_journal(m->tmp, m->journal, m->mode, 0, OUTPUT_FULL_WIDTH, NULL); - if (r < 0) { - log_error_errno(r, "Failed to serialize item: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - - sz = ftello(m->tmp); - if (sz == (off_t) -1) { - log_error_errno(errno, "Failed to retrieve file position: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - - m->size = (uint64_t) sz; - } - - if (fseeko(m->tmp, pos, SEEK_SET) < 0) { - log_error_errno(errno, "Failed to seek to position: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - - n = m->size - pos; - if (n < 1) - return 0; - if (n > max) - n = max; - - errno = 0; - k = fread(buf, 1, n, m->tmp); - if (k != n) { - log_error("Failed to read from file: %s", errno ? strerror(errno) : "Premature EOF"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - - return (ssize_t) k; -} - -static int request_parse_accept( - RequestMeta *m, - struct MHD_Connection *connection) { - - const char *header; - - assert(m); - assert(connection); - - header = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Accept"); - if (!header) - return 0; - - if (streq(header, mime_types[OUTPUT_JSON])) - m->mode = OUTPUT_JSON; - else if (streq(header, mime_types[OUTPUT_JSON_SSE])) - m->mode = OUTPUT_JSON_SSE; - else if (streq(header, mime_types[OUTPUT_EXPORT])) - m->mode = OUTPUT_EXPORT; - else - m->mode = OUTPUT_SHORT; - - return 0; -} - -static int request_parse_range( - RequestMeta *m, - struct MHD_Connection *connection) { - - const char *range, *colon, *colon2; - int r; - - assert(m); - assert(connection); - - range = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Range"); - if (!range) - return 0; - - if (!startswith(range, "entries=")) - return 0; - - range += 8; - range += strspn(range, WHITESPACE); - - colon = strchr(range, ':'); - if (!colon) - m->cursor = strdup(range); - else { - const char *p; - - colon2 = strchr(colon + 1, ':'); - if (colon2) { - _cleanup_free_ char *t; - - t = strndup(colon + 1, colon2 - colon - 1); - if (!t) - return -ENOMEM; - - r = safe_atoi64(t, &m->n_skip); - if (r < 0) - return r; - } - - p = (colon2 ? colon2 : colon) + 1; - if (*p) { - r = safe_atou64(p, &m->n_entries); - if (r < 0) - return r; - - if (m->n_entries <= 0) - return -EINVAL; - - m->n_entries_set = true; - } - - m->cursor = strndup(range, colon - range); - } - - if (!m->cursor) - return -ENOMEM; - - m->cursor[strcspn(m->cursor, WHITESPACE)] = 0; - if (isempty(m->cursor)) - m->cursor = mfree(m->cursor); - - return 0; -} - -static int request_parse_arguments_iterator( - void *cls, - enum MHD_ValueKind kind, - const char *key, - const char *value) { - - RequestMeta *m = cls; - _cleanup_free_ char *p = NULL; - int r; - - assert(m); - - if (isempty(key)) { - m->argument_parse_error = -EINVAL; - return MHD_NO; - } - - if (streq(key, "follow")) { - if (isempty(value)) { - m->follow = true; - return MHD_YES; - } - - r = parse_boolean(value); - if (r < 0) { - m->argument_parse_error = r; - return MHD_NO; - } - - m->follow = r; - return MHD_YES; - } - - if (streq(key, "discrete")) { - if (isempty(value)) { - m->discrete = true; - return MHD_YES; - } - - r = parse_boolean(value); - if (r < 0) { - m->argument_parse_error = r; - return MHD_NO; - } - - m->discrete = r; - return MHD_YES; - } - - if (streq(key, "boot")) { - if (isempty(value)) - r = true; - else { - r = parse_boolean(value); - if (r < 0) { - m->argument_parse_error = r; - return MHD_NO; - } - } - - if (r) { - char match[9 + 32 + 1] = "_BOOT_ID="; - sd_id128_t bid; - - r = sd_id128_get_boot(&bid); - if (r < 0) { - log_error_errno(r, "Failed to get boot ID: %m"); - return MHD_NO; - } - - sd_id128_to_string(bid, match + 9); - r = sd_journal_add_match(m->journal, match, sizeof(match)-1); - if (r < 0) { - m->argument_parse_error = r; - return MHD_NO; - } - } - - return MHD_YES; - } - - p = strjoin(key, "=", strempty(value), NULL); - if (!p) { - m->argument_parse_error = log_oom(); - return MHD_NO; - } - - r = sd_journal_add_match(m->journal, p, 0); - if (r < 0) { - m->argument_parse_error = r; - return MHD_NO; - } - - return MHD_YES; -} - -static int request_parse_arguments( - RequestMeta *m, - struct MHD_Connection *connection) { - - assert(m); - assert(connection); - - m->argument_parse_error = 0; - MHD_get_connection_values(connection, MHD_GET_ARGUMENT_KIND, request_parse_arguments_iterator, m); - - return m->argument_parse_error; -} - -static int request_handler_entries( - struct MHD_Connection *connection, - void *connection_cls) { - - struct MHD_Response *response; - RequestMeta *m = connection_cls; - int r; - - assert(connection); - assert(m); - - r = open_journal(m); - if (r < 0) - return mhd_respondf(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to open journal: %s\n", strerror(-r)); - - if (request_parse_accept(m, connection) < 0) - return mhd_respond(connection, MHD_HTTP_BAD_REQUEST, "Failed to parse Accept header.\n"); - - if (request_parse_range(m, connection) < 0) - return mhd_respond(connection, MHD_HTTP_BAD_REQUEST, "Failed to parse Range header.\n"); - - if (request_parse_arguments(m, connection) < 0) - return mhd_respond(connection, MHD_HTTP_BAD_REQUEST, "Failed to parse URL arguments.\n"); - - if (m->discrete) { - if (!m->cursor) - return mhd_respond(connection, MHD_HTTP_BAD_REQUEST, "Discrete seeks require a cursor specification.\n"); - - m->n_entries = 1; - m->n_entries_set = true; - } - - if (m->cursor) - r = sd_journal_seek_cursor(m->journal, m->cursor); - else if (m->n_skip >= 0) - r = sd_journal_seek_head(m->journal); - else if (m->n_skip < 0) - r = sd_journal_seek_tail(m->journal); - if (r < 0) - return mhd_respond(connection, MHD_HTTP_BAD_REQUEST, "Failed to seek in journal.\n"); - - response = MHD_create_response_from_callback(MHD_SIZE_UNKNOWN, 4*1024, request_reader_entries, m, NULL); - if (!response) - return respond_oom(connection); - - MHD_add_response_header(response, "Content-Type", mime_types[m->mode]); - - r = MHD_queue_response(connection, MHD_HTTP_OK, response); - MHD_destroy_response(response); - - return r; -} - -static int output_field(FILE *f, OutputMode m, const char *d, size_t l) { - const char *eq; - size_t j; - - eq = memchr(d, '=', l); - if (!eq) - return -EINVAL; - - j = l - (eq - d + 1); - - if (m == OUTPUT_JSON) { - fprintf(f, "{ \"%.*s\" : ", (int) (eq - d), d); - json_escape(f, eq+1, j, OUTPUT_FULL_WIDTH); - fputs(" }\n", f); - } else { - fwrite(eq+1, 1, j, f); - fputc('\n', f); - } - - return 0; -} - -static ssize_t request_reader_fields( - void *cls, - uint64_t pos, - char *buf, - size_t max) { - - RequestMeta *m = cls; - int r; - size_t n, k; - - assert(m); - assert(buf); - assert(max > 0); - assert(pos >= m->delta); - - pos -= m->delta; - - while (pos >= m->size) { - off_t sz; - const void *d; - size_t l; - - /* End of this field, so let's serialize the next - * one */ - - if (m->n_fields_set && - m->n_fields <= 0) - return MHD_CONTENT_READER_END_OF_STREAM; - - r = sd_journal_enumerate_unique(m->journal, &d, &l); - if (r < 0) { - log_error_errno(r, "Failed to advance field index: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } else if (r == 0) - return MHD_CONTENT_READER_END_OF_STREAM; - - pos -= m->size; - m->delta += m->size; - - if (m->n_fields_set) - m->n_fields -= 1; - - r = request_meta_ensure_tmp(m); - if (r < 0) { - log_error_errno(r, "Failed to create temporary file: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - - r = output_field(m->tmp, m->mode, d, l); - if (r < 0) { - log_error_errno(r, "Failed to serialize item: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - - sz = ftello(m->tmp); - if (sz == (off_t) -1) { - log_error_errno(errno, "Failed to retrieve file position: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - - m->size = (uint64_t) sz; - } - - if (fseeko(m->tmp, pos, SEEK_SET) < 0) { - log_error_errno(errno, "Failed to seek to position: %m"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - - n = m->size - pos; - if (n > max) - n = max; - - errno = 0; - k = fread(buf, 1, n, m->tmp); - if (k != n) { - log_error("Failed to read from file: %s", errno ? strerror(errno) : "Premature EOF"); - return MHD_CONTENT_READER_END_WITH_ERROR; - } - - return (ssize_t) k; -} - -static int request_handler_fields( - struct MHD_Connection *connection, - const char *field, - void *connection_cls) { - - struct MHD_Response *response; - RequestMeta *m = connection_cls; - int r; - - assert(connection); - assert(m); - - r = open_journal(m); - if (r < 0) - return mhd_respondf(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to open journal: %s\n", strerror(-r)); - - if (request_parse_accept(m, connection) < 0) - return mhd_respond(connection, MHD_HTTP_BAD_REQUEST, "Failed to parse Accept header.\n"); - - r = sd_journal_query_unique(m->journal, field); - if (r < 0) - return mhd_respond(connection, MHD_HTTP_BAD_REQUEST, "Failed to query unique fields.\n"); - - response = MHD_create_response_from_callback(MHD_SIZE_UNKNOWN, 4*1024, request_reader_fields, m, NULL); - if (!response) - return respond_oom(connection); - - MHD_add_response_header(response, "Content-Type", mime_types[m->mode == OUTPUT_JSON ? OUTPUT_JSON : OUTPUT_SHORT]); - - r = MHD_queue_response(connection, MHD_HTTP_OK, response); - MHD_destroy_response(response); - - return r; -} - -static int request_handler_redirect( - struct MHD_Connection *connection, - const char *target) { - - char *page; - struct MHD_Response *response; - int ret; - - assert(connection); - assert(target); - - if (asprintf(&page, "<html><body>Please continue to the <a href=\"%s\">journal browser</a>.</body></html>", target) < 0) - return respond_oom(connection); - - response = MHD_create_response_from_buffer(strlen(page), page, MHD_RESPMEM_MUST_FREE); - if (!response) { - free(page); - return respond_oom(connection); - } - - MHD_add_response_header(response, "Content-Type", "text/html"); - MHD_add_response_header(response, "Location", target); - - ret = MHD_queue_response(connection, MHD_HTTP_MOVED_PERMANENTLY, response); - MHD_destroy_response(response); - - return ret; -} - -static int request_handler_file( - struct MHD_Connection *connection, - const char *path, - const char *mime_type) { - - struct MHD_Response *response; - int ret; - _cleanup_close_ int fd = -1; - struct stat st; - - assert(connection); - assert(path); - assert(mime_type); - - fd = open(path, O_RDONLY|O_CLOEXEC); - if (fd < 0) - return mhd_respondf(connection, MHD_HTTP_NOT_FOUND, "Failed to open file %s: %m\n", path); - - if (fstat(fd, &st) < 0) - return mhd_respondf(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to stat file: %m\n"); - - response = MHD_create_response_from_fd_at_offset64(st.st_size, fd, 0); - if (!response) - return respond_oom(connection); - - fd = -1; - - MHD_add_response_header(response, "Content-Type", mime_type); - - ret = MHD_queue_response(connection, MHD_HTTP_OK, response); - MHD_destroy_response(response); - - return ret; -} - -static int get_virtualization(char **v) { - _cleanup_(sd_bus_unrefp) sd_bus *bus = NULL; - char *b = NULL; - int r; - - r = sd_bus_default_system(&bus); - if (r < 0) - return r; - - r = sd_bus_get_property_string( - bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "Virtualization", - NULL, - &b); - if (r < 0) - return r; - - if (isempty(b)) { - free(b); - *v = NULL; - return 0; - } - - *v = b; - return 1; -} - -static int request_handler_machine( - struct MHD_Connection *connection, - void *connection_cls) { - - struct MHD_Response *response; - RequestMeta *m = connection_cls; - int r; - _cleanup_free_ char* hostname = NULL, *os_name = NULL; - uint64_t cutoff_from = 0, cutoff_to = 0, usage = 0; - char *json; - sd_id128_t mid, bid; - _cleanup_free_ char *v = NULL; - - assert(connection); - assert(m); - - r = open_journal(m); - if (r < 0) - return mhd_respondf(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to open journal: %s\n", strerror(-r)); - - r = sd_id128_get_machine(&mid); - if (r < 0) - return mhd_respondf(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to determine machine ID: %s\n", strerror(-r)); - - r = sd_id128_get_boot(&bid); - if (r < 0) - return mhd_respondf(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to determine boot ID: %s\n", strerror(-r)); - - hostname = gethostname_malloc(); - if (!hostname) - return respond_oom(connection); - - r = sd_journal_get_usage(m->journal, &usage); - if (r < 0) - return mhd_respondf(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to determine disk usage: %s\n", strerror(-r)); - - r = sd_journal_get_cutoff_realtime_usec(m->journal, &cutoff_from, &cutoff_to); - if (r < 0) - return mhd_respondf(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, "Failed to determine disk usage: %s\n", strerror(-r)); - - if (parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &os_name, NULL) == -ENOENT) - (void) parse_env_file("/usr/lib/os-release", NEWLINE, "PRETTY_NAME", &os_name, NULL); - - get_virtualization(&v); - - r = asprintf(&json, - "{ \"machine_id\" : \"" SD_ID128_FORMAT_STR "\"," - "\"boot_id\" : \"" SD_ID128_FORMAT_STR "\"," - "\"hostname\" : \"%s\"," - "\"os_pretty_name\" : \"%s\"," - "\"virtualization\" : \"%s\"," - "\"usage\" : \"%"PRIu64"\"," - "\"cutoff_from_realtime\" : \"%"PRIu64"\"," - "\"cutoff_to_realtime\" : \"%"PRIu64"\" }\n", - SD_ID128_FORMAT_VAL(mid), - SD_ID128_FORMAT_VAL(bid), - hostname_cleanup(hostname), - os_name ? os_name : "GNU/Linux", - v ? v : "bare", - usage, - cutoff_from, - cutoff_to); - - if (r < 0) - return respond_oom(connection); - - response = MHD_create_response_from_buffer(strlen(json), json, MHD_RESPMEM_MUST_FREE); - if (!response) { - free(json); - return respond_oom(connection); - } - - MHD_add_response_header(response, "Content-Type", "application/json"); - r = MHD_queue_response(connection, MHD_HTTP_OK, response); - MHD_destroy_response(response); - - return r; -} - -static int request_handler( - void *cls, - struct MHD_Connection *connection, - const char *url, - const char *method, - const char *version, - const char *upload_data, - size_t *upload_data_size, - void **connection_cls) { - int r, code; - - assert(connection); - assert(connection_cls); - assert(url); - assert(method); - - if (!streq(method, "GET")) - return mhd_respond(connection, MHD_HTTP_NOT_ACCEPTABLE, - "Unsupported method.\n"); - - - if (!*connection_cls) { - if (!request_meta(connection_cls)) - return respond_oom(connection); - return MHD_YES; - } - - if (arg_trust_pem) { - r = check_permissions(connection, &code, NULL); - if (r < 0) - return code; - } - - if (streq(url, "/")) - return request_handler_redirect(connection, "/browse"); - - if (streq(url, "/entries")) - return request_handler_entries(connection, *connection_cls); - - if (startswith(url, "/fields/")) - return request_handler_fields(connection, url + 8, *connection_cls); - - if (streq(url, "/browse")) - return request_handler_file(connection, DOCUMENT_ROOT "/browse.html", "text/html"); - - if (streq(url, "/machine")) - return request_handler_machine(connection, *connection_cls); - - return mhd_respond(connection, MHD_HTTP_NOT_FOUND, "Not found.\n"); -} - -static void help(void) { - printf("%s [OPTIONS...] ...\n\n" - "HTTP server for journal events.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " --cert=CERT.PEM Server certificate in PEM format\n" - " --key=KEY.PEM Server key in PEM format\n" - " --trust=CERT.PEM Certificat authority certificate in PEM format\n", - program_invocation_short_name); -} - -static int parse_argv(int argc, char *argv[]) { - enum { - ARG_VERSION = 0x100, - ARG_KEY, - ARG_CERT, - ARG_TRUST, - }; - - int r, c; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - { "key", required_argument, NULL, ARG_KEY }, - { "cert", required_argument, NULL, ARG_CERT }, - { "trust", required_argument, NULL, ARG_TRUST }, - {} - }; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) - - switch(c) { - - case 'h': - help(); - return 0; - - case ARG_VERSION: - return version(); - - case ARG_KEY: - if (arg_key_pem) { - log_error("Key file specified twice"); - return -EINVAL; - } - r = read_full_file(optarg, &arg_key_pem, NULL); - if (r < 0) - return log_error_errno(r, "Failed to read key file: %m"); - assert(arg_key_pem); - break; - - case ARG_CERT: - if (arg_cert_pem) { - log_error("Certificate file specified twice"); - return -EINVAL; - } - r = read_full_file(optarg, &arg_cert_pem, NULL); - if (r < 0) - return log_error_errno(r, "Failed to read certificate file: %m"); - assert(arg_cert_pem); - break; - - case ARG_TRUST: -#ifdef HAVE_GNUTLS - if (arg_trust_pem) { - log_error("CA certificate file specified twice"); - return -EINVAL; - } - r = read_full_file(optarg, &arg_trust_pem, NULL); - if (r < 0) - return log_error_errno(r, "Failed to read CA certificate file: %m"); - assert(arg_trust_pem); - break; -#else - log_error("Option --trust is not available."); -#endif - - case '?': - return -EINVAL; - - default: - assert_not_reached("Unhandled option"); - } - - if (optind < argc) { - log_error("This program does not take arguments."); - return -EINVAL; - } - - if (!!arg_key_pem != !!arg_cert_pem) { - log_error("Certificate and key files must be specified together"); - return -EINVAL; - } - - if (arg_trust_pem && !arg_key_pem) { - log_error("CA certificate can only be used with certificate file"); - return -EINVAL; - } - - return 1; -} - -int main(int argc, char *argv[]) { - struct MHD_Daemon *d = NULL; - int r, n; - - log_set_target(LOG_TARGET_AUTO); - log_parse_environment(); - log_open(); - - r = parse_argv(argc, argv); - if (r < 0) - return EXIT_FAILURE; - if (r == 0) - return EXIT_SUCCESS; - - sigbus_install(); - - r = setup_gnutls_logger(NULL); - if (r < 0) - return EXIT_FAILURE; - - n = sd_listen_fds(1); - if (n < 0) { - log_error_errno(n, "Failed to determine passed sockets: %m"); - goto finish; - } else if (n > 1) { - log_error("Can't listen on more than one socket."); - goto finish; - } else { - struct MHD_OptionItem opts[] = { - { MHD_OPTION_NOTIFY_COMPLETED, - (intptr_t) request_meta_free, NULL }, - { MHD_OPTION_EXTERNAL_LOGGER, - (intptr_t) microhttpd_logger, NULL }, - { MHD_OPTION_END, 0, NULL }, - { MHD_OPTION_END, 0, NULL }, - { MHD_OPTION_END, 0, NULL }, - { MHD_OPTION_END, 0, NULL }, - { MHD_OPTION_END, 0, NULL }}; - int opts_pos = 2; - - /* We force MHD_USE_PIPE_FOR_SHUTDOWN here, in order - * to make sure libmicrohttpd doesn't use shutdown() - * on our listening socket, which would break socket - * re-activation. See - * - * https://lists.gnu.org/archive/html/libmicrohttpd/2015-09/msg00014.html - * https://github.com/systemd/systemd/pull/1286 - */ - - int flags = - MHD_USE_DEBUG | - MHD_USE_DUAL_STACK | - MHD_USE_PIPE_FOR_SHUTDOWN | - MHD_USE_POLL | - MHD_USE_THREAD_PER_CONNECTION; - - if (n > 0) - opts[opts_pos++] = (struct MHD_OptionItem) - {MHD_OPTION_LISTEN_SOCKET, SD_LISTEN_FDS_START}; - if (arg_key_pem) { - assert(arg_cert_pem); - opts[opts_pos++] = (struct MHD_OptionItem) - {MHD_OPTION_HTTPS_MEM_KEY, 0, arg_key_pem}; - opts[opts_pos++] = (struct MHD_OptionItem) - {MHD_OPTION_HTTPS_MEM_CERT, 0, arg_cert_pem}; - flags |= MHD_USE_SSL; - } - if (arg_trust_pem) { - assert(flags & MHD_USE_SSL); - opts[opts_pos++] = (struct MHD_OptionItem) - {MHD_OPTION_HTTPS_MEM_TRUST, 0, arg_trust_pem}; - } - - d = MHD_start_daemon(flags, 19531, - NULL, NULL, - request_handler, NULL, - MHD_OPTION_ARRAY, opts, - MHD_OPTION_END); - } - - if (!d) { - log_error("Failed to start daemon!"); - goto finish; - } - - pause(); - - r = EXIT_SUCCESS; - -finish: - if (d) - MHD_stop_daemon(d); - - return r; -} diff --git a/src/journal-remote/journal-remote-parse.c b/src/journal-remote/journal-remote-parse.c deleted file mode 100644 index 9ba9ee3fc0..0000000000 --- a/src/journal-remote/journal-remote-parse.c +++ /dev/null @@ -1,506 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2014 Zbigniew Jędrzejewski-Szmek - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include "alloc-util.h" -#include "fd-util.h" -#include "journal-remote-parse.h" -#include "journald-native.h" -#include "parse-util.h" -#include "string-util.h" - -#define LINE_CHUNK 8*1024u - -void source_free(RemoteSource *source) { - if (!source) - return; - - if (source->fd >= 0 && !source->passive_fd) { - log_debug("Closing fd:%d (%s)", source->fd, source->name); - safe_close(source->fd); - } - - free(source->name); - free(source->buf); - iovw_free_contents(&source->iovw); - - log_debug("Writer ref count %i", source->writer->n_ref); - writer_unref(source->writer); - - sd_event_source_unref(source->event); - sd_event_source_unref(source->buffer_event); - - free(source); -} - -/** - * Initialize zero-filled source with given values. On success, takes - * ownerhship of fd and writer, otherwise does not touch them. - */ -RemoteSource* source_new(int fd, bool passive_fd, char *name, Writer *writer) { - - RemoteSource *source; - - log_debug("Creating source for %sfd:%d (%s)", - passive_fd ? "passive " : "", fd, name); - - assert(fd >= 0); - - source = new0(RemoteSource, 1); - if (!source) - return NULL; - - source->fd = fd; - source->passive_fd = passive_fd; - source->name = name; - source->writer = writer; - - return source; -} - -static char* realloc_buffer(RemoteSource *source, size_t size) { - char *b, *old = source->buf; - - b = GREEDY_REALLOC(source->buf, source->size, size); - if (!b) - return NULL; - - iovw_rebase(&source->iovw, old, source->buf); - - return b; -} - -static int get_line(RemoteSource *source, char **line, size_t *size) { - ssize_t n; - char *c = NULL; - - assert(source); - assert(source->state == STATE_LINE); - assert(source->offset <= source->filled); - assert(source->filled <= source->size); - assert(source->buf == NULL || source->size > 0); - assert(source->fd >= 0); - - for (;;) { - if (source->buf) { - size_t start = MAX(source->scanned, source->offset); - - c = memchr(source->buf + start, '\n', - source->filled - start); - if (c != NULL) - break; - } - - source->scanned = source->filled; - if (source->scanned >= DATA_SIZE_MAX) { - log_error("Entry is bigger than %u bytes.", DATA_SIZE_MAX); - return -E2BIG; - } - - if (source->passive_fd) - /* we have to wait for some data to come to us */ - return -EAGAIN; - - /* We know that source->filled is at most DATA_SIZE_MAX, so if - we reallocate it, we'll increase the size at least a bit. */ - assert_cc(DATA_SIZE_MAX < ENTRY_SIZE_MAX); - if (source->size - source->filled < LINE_CHUNK && - !realloc_buffer(source, MIN(source->filled + LINE_CHUNK, ENTRY_SIZE_MAX))) - return log_oom(); - - assert(source->buf); - assert(source->size - source->filled >= LINE_CHUNK || - source->size == ENTRY_SIZE_MAX); - - n = read(source->fd, - source->buf + source->filled, - source->size - source->filled); - if (n < 0) { - if (errno != EAGAIN) - log_error_errno(errno, "read(%d, ..., %zu): %m", - source->fd, - source->size - source->filled); - return -errno; - } else if (n == 0) - return 0; - - source->filled += n; - } - - *line = source->buf + source->offset; - *size = c + 1 - source->buf - source->offset; - source->offset += *size; - - return 1; -} - -int push_data(RemoteSource *source, const char *data, size_t size) { - assert(source); - assert(source->state != STATE_EOF); - - if (!realloc_buffer(source, source->filled + size)) { - log_error("Failed to store received data of size %zu " - "(in addition to existing %zu bytes with %zu filled): %s", - size, source->size, source->filled, strerror(ENOMEM)); - return -ENOMEM; - } - - memcpy(source->buf + source->filled, data, size); - source->filled += size; - - return 0; -} - -static int fill_fixed_size(RemoteSource *source, void **data, size_t size) { - - assert(source); - assert(source->state == STATE_DATA_START || - source->state == STATE_DATA || - source->state == STATE_DATA_FINISH); - assert(size <= DATA_SIZE_MAX); - assert(source->offset <= source->filled); - assert(source->filled <= source->size); - assert(source->buf != NULL || source->size == 0); - assert(source->buf == NULL || source->size > 0); - assert(source->fd >= 0); - assert(data); - - while (source->filled - source->offset < size) { - int n; - - if (source->passive_fd) - /* we have to wait for some data to come to us */ - return -EAGAIN; - - if (!realloc_buffer(source, source->offset + size)) - return log_oom(); - - n = read(source->fd, source->buf + source->filled, - source->size - source->filled); - if (n < 0) { - if (errno != EAGAIN) - log_error_errno(errno, "read(%d, ..., %zu): %m", source->fd, - source->size - source->filled); - return -errno; - } else if (n == 0) - return 0; - - source->filled += n; - } - - *data = source->buf + source->offset; - source->offset += size; - - return 1; -} - -static int get_data_size(RemoteSource *source) { - int r; - void *data; - - assert(source); - assert(source->state == STATE_DATA_START); - assert(source->data_size == 0); - - r = fill_fixed_size(source, &data, sizeof(uint64_t)); - if (r <= 0) - return r; - - source->data_size = le64toh( *(uint64_t *) data ); - if (source->data_size > DATA_SIZE_MAX) { - log_error("Stream declares field with size %zu > DATA_SIZE_MAX = %u", - source->data_size, DATA_SIZE_MAX); - return -EINVAL; - } - if (source->data_size == 0) - log_warning("Binary field with zero length"); - - return 1; -} - -static int get_data_data(RemoteSource *source, void **data) { - int r; - - assert(source); - assert(data); - assert(source->state == STATE_DATA); - - r = fill_fixed_size(source, data, source->data_size); - if (r <= 0) - return r; - - return 1; -} - -static int get_data_newline(RemoteSource *source) { - int r; - char *data; - - assert(source); - assert(source->state == STATE_DATA_FINISH); - - r = fill_fixed_size(source, (void**) &data, 1); - if (r <= 0) - return r; - - assert(data); - if (*data != '\n') { - log_error("expected newline, got '%c'", *data); - return -EINVAL; - } - - return 1; -} - -static int process_dunder(RemoteSource *source, char *line, size_t n) { - const char *timestamp; - int r; - - assert(line); - assert(n > 0); - assert(line[n-1] == '\n'); - - /* XXX: is it worth to support timestamps in extended format? - * We don't produce them, but who knows... */ - - timestamp = startswith(line, "__CURSOR="); - if (timestamp) - /* ignore __CURSOR */ - return 1; - - timestamp = startswith(line, "__REALTIME_TIMESTAMP="); - if (timestamp) { - long long unsigned x; - line[n-1] = '\0'; - r = safe_atollu(timestamp, &x); - if (r < 0) - log_warning("Failed to parse __REALTIME_TIMESTAMP: '%s'", timestamp); - else - source->ts.realtime = x; - return r < 0 ? r : 1; - } - - timestamp = startswith(line, "__MONOTONIC_TIMESTAMP="); - if (timestamp) { - long long unsigned x; - line[n-1] = '\0'; - r = safe_atollu(timestamp, &x); - if (r < 0) - log_warning("Failed to parse __MONOTONIC_TIMESTAMP: '%s'", timestamp); - else - source->ts.monotonic = x; - return r < 0 ? r : 1; - } - - timestamp = startswith(line, "__"); - if (timestamp) { - log_notice("Unknown dunder line %s", line); - return 1; - } - - /* no dunder */ - return 0; -} - -static int process_data(RemoteSource *source) { - int r; - - switch(source->state) { - case STATE_LINE: { - char *line, *sep; - size_t n = 0; - - assert(source->data_size == 0); - - r = get_line(source, &line, &n); - if (r < 0) - return r; - if (r == 0) { - source->state = STATE_EOF; - return r; - } - assert(n > 0); - assert(line[n-1] == '\n'); - - if (n == 1) { - log_trace("Received empty line, event is ready"); - return 1; - } - - r = process_dunder(source, line, n); - if (r != 0) - return r < 0 ? r : 0; - - /* MESSAGE=xxx\n - or - COREDUMP\n - LLLLLLLL0011223344...\n - */ - sep = memchr(line, '=', n); - if (sep) { - /* chomp newline */ - n--; - - r = iovw_put(&source->iovw, line, n); - if (r < 0) - return r; - } else { - /* replace \n with = */ - line[n-1] = '='; - - source->field_len = n; - source->state = STATE_DATA_START; - - /* we cannot put the field in iovec until we have all data */ - } - - log_trace("Received: %.*s (%s)", (int) n, line, sep ? "text" : "binary"); - - return 0; /* continue */ - } - - case STATE_DATA_START: - assert(source->data_size == 0); - - r = get_data_size(source); - // log_debug("get_data_size() -> %d", r); - if (r < 0) - return r; - if (r == 0) { - source->state = STATE_EOF; - return 0; - } - - source->state = source->data_size > 0 ? - STATE_DATA : STATE_DATA_FINISH; - - return 0; /* continue */ - - case STATE_DATA: { - void *data; - char *field; - - assert(source->data_size > 0); - - r = get_data_data(source, &data); - // log_debug("get_data_data() -> %d", r); - if (r < 0) - return r; - if (r == 0) { - source->state = STATE_EOF; - return 0; - } - - assert(data); - - field = (char*) data - sizeof(uint64_t) - source->field_len; - memmove(field + sizeof(uint64_t), field, source->field_len); - - r = iovw_put(&source->iovw, field + sizeof(uint64_t), source->field_len + source->data_size); - if (r < 0) - return r; - - source->state = STATE_DATA_FINISH; - - return 0; /* continue */ - } - - case STATE_DATA_FINISH: - r = get_data_newline(source); - // log_debug("get_data_newline() -> %d", r); - if (r < 0) - return r; - if (r == 0) { - source->state = STATE_EOF; - return 0; - } - - source->data_size = 0; - source->state = STATE_LINE; - - return 0; /* continue */ - default: - assert_not_reached("wtf?"); - } -} - -int process_source(RemoteSource *source, bool compress, bool seal) { - size_t remain, target; - int r; - - assert(source); - assert(source->writer); - - r = process_data(source); - if (r <= 0) - return r; - - /* We have a full event */ - log_trace("Received full event from source@%p fd:%d (%s)", - source, source->fd, source->name); - - if (!source->iovw.count) { - log_warning("Entry with no payload, skipping"); - goto freeing; - } - - assert(source->iovw.iovec); - assert(source->iovw.count); - - r = writer_write(source->writer, &source->iovw, &source->ts, compress, seal); - if (r < 0) - log_error_errno(r, "Failed to write entry of %zu bytes: %m", - iovw_size(&source->iovw)); - else - r = 1; - - freeing: - iovw_free_contents(&source->iovw); - - /* possibly reset buffer position */ - remain = source->filled - source->offset; - - if (remain == 0) /* no brainer */ - source->offset = source->scanned = source->filled = 0; - else if (source->offset > source->size - source->filled && - source->offset > remain) { - memcpy(source->buf, source->buf + source->offset, remain); - source->offset = source->scanned = 0; - source->filled = remain; - } - - target = source->size; - while (target > 16 * LINE_CHUNK && source->filled < target / 2) - target /= 2; - if (target < source->size) { - char *tmp; - - tmp = realloc(source->buf, target); - if (!tmp) - log_warning("Failed to reallocate buffer to (smaller) size %zu", - target); - else { - log_debug("Reallocated buffer from %zu to %zu bytes", - source->size, target); - source->buf = tmp; - source->size = target; - } - } - - return r; -} diff --git a/src/journal-remote/journal-remote-parse.h b/src/journal-remote/journal-remote-parse.h deleted file mode 100644 index 1740a21f92..0000000000 --- a/src/journal-remote/journal-remote-parse.h +++ /dev/null @@ -1,69 +0,0 @@ -#pragma once - -/*** - This file is part of systemd. - - Copyright 2014 Zbigniew Jędrzejewski-Szmek - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include "sd-event.h" - -#include "journal-remote-write.h" - -typedef enum { - STATE_LINE = 0, /* waiting to read, or reading line */ - STATE_DATA_START, /* reading binary data header */ - STATE_DATA, /* reading binary data */ - STATE_DATA_FINISH, /* expecting newline */ - STATE_EOF, /* done */ -} source_state; - -typedef struct RemoteSource { - char *name; - int fd; - bool passive_fd; - - char *buf; - size_t size; /* total size of the buffer */ - size_t offset; /* offset to the beginning of live data in the buffer */ - size_t scanned; /* number of bytes since the beginning of data without a newline */ - size_t filled; /* total number of bytes in the buffer */ - - size_t field_len; /* used for binary fields: the field name length */ - size_t data_size; /* and the size of the binary data chunk being processed */ - - struct iovec_wrapper iovw; - - source_state state; - dual_timestamp ts; - - Writer *writer; - - sd_event_source *event; - sd_event_source *buffer_event; -} RemoteSource; - -RemoteSource* source_new(int fd, bool passive_fd, char *name, Writer *writer); - -static inline size_t source_non_empty(RemoteSource *source) { - assert(source); - - return source->filled; -} - -void source_free(RemoteSource *source); -int push_data(RemoteSource *source, const char *data, size_t size); -int process_source(RemoteSource *source, bool compress, bool seal); diff --git a/src/journal-remote/journal-remote-write.c b/src/journal-remote/journal-remote-write.c deleted file mode 100644 index 7bba52566e..0000000000 --- a/src/journal-remote/journal-remote-write.c +++ /dev/null @@ -1,168 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2012 Zbigniew Jędrzejewski-Szmek - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include "alloc-util.h" -#include "journal-remote.h" - -int iovw_put(struct iovec_wrapper *iovw, void* data, size_t len) { - if (!GREEDY_REALLOC(iovw->iovec, iovw->size_bytes, iovw->count + 1)) - return log_oom(); - - iovw->iovec[iovw->count++] = (struct iovec) {data, len}; - return 0; -} - -void iovw_free_contents(struct iovec_wrapper *iovw) { - iovw->iovec = mfree(iovw->iovec); - iovw->size_bytes = iovw->count = 0; -} - -size_t iovw_size(struct iovec_wrapper *iovw) { - size_t n = 0, i; - - for (i = 0; i < iovw->count; i++) - n += iovw->iovec[i].iov_len; - - return n; -} - -void iovw_rebase(struct iovec_wrapper *iovw, char *old, char *new) { - size_t i; - - for (i = 0; i < iovw->count; i++) - iovw->iovec[i].iov_base = (char*) iovw->iovec[i].iov_base - old + new; -} - -/********************************************************************** - ********************************************************************** - **********************************************************************/ - -static int do_rotate(JournalFile **f, bool compress, bool seal) { - int r = journal_file_rotate(f, compress, seal, NULL); - if (r < 0) { - if (*f) - log_error_errno(r, "Failed to rotate %s: %m", (*f)->path); - else - log_error_errno(r, "Failed to create rotated journal: %m"); - } - - return r; -} - -Writer* writer_new(RemoteServer *server) { - Writer *w; - - w = new0(Writer, 1); - if (!w) - return NULL; - - memset(&w->metrics, 0xFF, sizeof(w->metrics)); - - w->mmap = mmap_cache_new(); - if (!w->mmap) { - free(w); - return NULL; - } - - w->n_ref = 1; - w->server = server; - - return w; -} - -Writer* writer_free(Writer *w) { - if (!w) - return NULL; - - if (w->journal) { - log_debug("Closing journal file %s.", w->journal->path); - journal_file_close(w->journal); - } - - if (w->server && w->hashmap_key) - hashmap_remove(w->server->writers, w->hashmap_key); - - free(w->hashmap_key); - - if (w->mmap) - mmap_cache_unref(w->mmap); - - free(w); - - return NULL; -} - -Writer* writer_unref(Writer *w) { - if (w && (-- w->n_ref <= 0)) - writer_free(w); - - return NULL; -} - -Writer* writer_ref(Writer *w) { - if (w) - assert_se(++ w->n_ref >= 2); - - return w; -} - -int writer_write(Writer *w, - struct iovec_wrapper *iovw, - dual_timestamp *ts, - bool compress, - bool seal) { - int r; - - assert(w); - assert(iovw); - assert(iovw->count > 0); - - if (journal_file_rotate_suggested(w->journal, 0)) { - log_info("%s: Journal header limits reached or header out-of-date, rotating", - w->journal->path); - r = do_rotate(&w->journal, compress, seal); - if (r < 0) - return r; - } - - r = journal_file_append_entry(w->journal, ts, iovw->iovec, iovw->count, - &w->seqnum, NULL, NULL); - if (r >= 0) { - if (w->server) - w->server->event_count += 1; - return 1; - } - - log_debug_errno(r, "%s: Write failed, rotating: %m", w->journal->path); - r = do_rotate(&w->journal, compress, seal); - if (r < 0) - return r; - else - log_debug("%s: Successfully rotated journal", w->journal->path); - - log_debug("Retrying write."); - r = journal_file_append_entry(w->journal, ts, iovw->iovec, iovw->count, - &w->seqnum, NULL, NULL); - if (r < 0) - return r; - - if (w->server) - w->server->event_count += 1; - return 1; -} diff --git a/src/journal-remote/journal-remote-write.h b/src/journal-remote/journal-remote-write.h deleted file mode 100644 index 53ba45fc04..0000000000 --- a/src/journal-remote/journal-remote-write.h +++ /dev/null @@ -1,70 +0,0 @@ -#pragma once - -/*** - This file is part of systemd. - - Copyright 2014 Zbigniew Jędrzejewski-Szmek - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include "journal-file.h" - -typedef struct RemoteServer RemoteServer; - -struct iovec_wrapper { - struct iovec *iovec; - size_t size_bytes; - size_t count; -}; - -int iovw_put(struct iovec_wrapper *iovw, void* data, size_t len); -void iovw_free_contents(struct iovec_wrapper *iovw); -size_t iovw_size(struct iovec_wrapper *iovw); -void iovw_rebase(struct iovec_wrapper *iovw, char *old, char *new); - -typedef struct Writer { - JournalFile *journal; - JournalMetrics metrics; - - MMapCache *mmap; - RemoteServer *server; - char *hashmap_key; - - uint64_t seqnum; - - int n_ref; -} Writer; - -Writer* writer_new(RemoteServer* server); -Writer* writer_free(Writer *w); - -Writer* writer_ref(Writer *w); -Writer* writer_unref(Writer *w); - -DEFINE_TRIVIAL_CLEANUP_FUNC(Writer*, writer_unref); -#define _cleanup_writer_unref_ _cleanup_(writer_unrefp) - -int writer_write(Writer *s, - struct iovec_wrapper *iovw, - dual_timestamp *ts, - bool compress, - bool seal); - -typedef enum JournalWriteSplitMode { - JOURNAL_WRITE_SPLIT_NONE, - JOURNAL_WRITE_SPLIT_HOST, - _JOURNAL_WRITE_SPLIT_MAX, - _JOURNAL_WRITE_SPLIT_INVALID = -1 -} JournalWriteSplitMode; diff --git a/src/journal-remote/journal-remote.c b/src/journal-remote/journal-remote.c deleted file mode 100644 index 35a1e55f9e..0000000000 --- a/src/journal-remote/journal-remote.c +++ /dev/null @@ -1,1601 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2012 Zbigniew Jędrzejewski-Szmek - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <errno.h> -#include <fcntl.h> -#include <getopt.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/prctl.h> -#include <sys/socket.h> -#include <unistd.h> - -#ifdef HAVE_GNUTLS -#include <gnutls/gnutls.h> -#endif - -#include "sd-daemon.h" - -#include "alloc-util.h" -#include "conf-parser.h" -#include "def.h" -#include "escape.h" -#include "fd-util.h" -#include "fileio.h" -#include "journal-file.h" -#include "journal-remote-write.h" -#include "journal-remote.h" -#include "journald-native.h" -#include "macro.h" -#include "parse-util.h" -#include "signal-util.h" -#include "socket-util.h" -#include "stat-util.h" -#include "stdio-util.h" -#include "string-table.h" -#include "string-util.h" -#include "strv.h" - -#define REMOTE_JOURNAL_PATH "/var/log/journal/remote" - -#define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-remote.pem" -#define CERT_FILE CERTIFICATE_ROOT "/certs/journal-remote.pem" -#define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" - -static char* arg_url = NULL; -static char* arg_getter = NULL; -static char* arg_listen_raw = NULL; -static char* arg_listen_http = NULL; -static char* arg_listen_https = NULL; -static char** arg_files = NULL; -static int arg_compress = true; -static int arg_seal = false; -static int http_socket = -1, https_socket = -1; -static char** arg_gnutls_log = NULL; - -static JournalWriteSplitMode arg_split_mode = JOURNAL_WRITE_SPLIT_HOST; -static char* arg_output = NULL; - -static char *arg_key = NULL; -static char *arg_cert = NULL; -static char *arg_trust = NULL; -static bool arg_trust_all = false; - -/********************************************************************** - ********************************************************************** - **********************************************************************/ - -static int spawn_child(const char* child, char** argv) { - int fd[2]; - pid_t parent_pid, child_pid; - int r; - - if (pipe(fd) < 0) - return log_error_errno(errno, "Failed to create pager pipe: %m"); - - parent_pid = getpid(); - - child_pid = fork(); - if (child_pid < 0) { - r = log_error_errno(errno, "Failed to fork: %m"); - safe_close_pair(fd); - return r; - } - - /* In the child */ - if (child_pid == 0) { - - (void) reset_all_signal_handlers(); - (void) reset_signal_mask(); - - r = dup2(fd[1], STDOUT_FILENO); - if (r < 0) { - log_error_errno(errno, "Failed to dup pipe to stdout: %m"); - _exit(EXIT_FAILURE); - } - - safe_close_pair(fd); - - /* Make sure the child goes away when the parent dies */ - if (prctl(PR_SET_PDEATHSIG, SIGTERM) < 0) - _exit(EXIT_FAILURE); - - /* Check whether our parent died before we were able - * to set the death signal */ - if (getppid() != parent_pid) - _exit(EXIT_SUCCESS); - - execvp(child, argv); - log_error_errno(errno, "Failed to exec child %s: %m", child); - _exit(EXIT_FAILURE); - } - - r = close(fd[1]); - if (r < 0) - log_warning_errno(errno, "Failed to close write end of pipe: %m"); - - return fd[0]; -} - -static int spawn_curl(const char* url) { - char **argv = STRV_MAKE("curl", - "-HAccept: application/vnd.fdo.journal", - "--silent", - "--show-error", - url); - int r; - - r = spawn_child("curl", argv); - if (r < 0) - log_error_errno(r, "Failed to spawn curl: %m"); - return r; -} - -static int spawn_getter(const char *getter) { - int r; - _cleanup_strv_free_ char **words = NULL; - - assert(getter); - r = strv_split_extract(&words, getter, WHITESPACE, EXTRACT_QUOTES); - if (r < 0) - return log_error_errno(r, "Failed to split getter option: %m"); - - r = spawn_child(words[0], words); - if (r < 0) - log_error_errno(r, "Failed to spawn getter %s: %m", getter); - - return r; -} - -#define filename_escape(s) xescape((s), "/ ") - -static int open_output(Writer *w, const char* host) { - _cleanup_free_ char *_output = NULL; - const char *output; - int r; - - switch (arg_split_mode) { - case JOURNAL_WRITE_SPLIT_NONE: - output = arg_output ?: REMOTE_JOURNAL_PATH "/remote.journal"; - break; - - case JOURNAL_WRITE_SPLIT_HOST: { - _cleanup_free_ char *name; - - assert(host); - - name = filename_escape(host); - if (!name) - return log_oom(); - - r = asprintf(&_output, "%s/remote-%s.journal", - arg_output ?: REMOTE_JOURNAL_PATH, - name); - if (r < 0) - return log_oom(); - - output = _output; - break; - } - - default: - assert_not_reached("what?"); - } - - r = journal_file_open_reliably(output, - O_RDWR|O_CREAT, 0640, - arg_compress, arg_seal, - &w->metrics, - w->mmap, NULL, - NULL, &w->journal); - if (r < 0) - log_error_errno(r, "Failed to open output journal %s: %m", - output); - else - log_debug("Opened output file %s", w->journal->path); - return r; -} - -/********************************************************************** - ********************************************************************** - **********************************************************************/ - -static int init_writer_hashmap(RemoteServer *s) { - static const struct hash_ops *hash_ops[] = { - [JOURNAL_WRITE_SPLIT_NONE] = NULL, - [JOURNAL_WRITE_SPLIT_HOST] = &string_hash_ops, - }; - - assert(arg_split_mode >= 0 && arg_split_mode < (int) ELEMENTSOF(hash_ops)); - - s->writers = hashmap_new(hash_ops[arg_split_mode]); - if (!s->writers) - return log_oom(); - - return 0; -} - -static int get_writer(RemoteServer *s, const char *host, - Writer **writer) { - const void *key; - _cleanup_writer_unref_ Writer *w = NULL; - int r; - - switch(arg_split_mode) { - case JOURNAL_WRITE_SPLIT_NONE: - key = "one and only"; - break; - - case JOURNAL_WRITE_SPLIT_HOST: - assert(host); - key = host; - break; - - default: - assert_not_reached("what split mode?"); - } - - w = hashmap_get(s->writers, key); - if (w) - writer_ref(w); - else { - w = writer_new(s); - if (!w) - return log_oom(); - - if (arg_split_mode == JOURNAL_WRITE_SPLIT_HOST) { - w->hashmap_key = strdup(key); - if (!w->hashmap_key) - return log_oom(); - } - - r = open_output(w, host); - if (r < 0) - return r; - - r = hashmap_put(s->writers, w->hashmap_key ?: key, w); - if (r < 0) - return r; - } - - *writer = w; - w = NULL; - return 0; -} - -/********************************************************************** - ********************************************************************** - **********************************************************************/ - -/* This should go away as soon as µhttpd allows state to be passed around. */ -static RemoteServer *server; - -static int dispatch_raw_source_event(sd_event_source *event, - int fd, - uint32_t revents, - void *userdata); -static int dispatch_raw_source_until_block(sd_event_source *event, - void *userdata); -static int dispatch_blocking_source_event(sd_event_source *event, - void *userdata); -static int dispatch_raw_connection_event(sd_event_source *event, - int fd, - uint32_t revents, - void *userdata); -static int dispatch_http_event(sd_event_source *event, - int fd, - uint32_t revents, - void *userdata); - -static int get_source_for_fd(RemoteServer *s, - int fd, char *name, RemoteSource **source) { - Writer *writer; - int r; - - /* This takes ownership of name, but only on success. */ - - assert(fd >= 0); - assert(source); - - if (!GREEDY_REALLOC0(s->sources, s->sources_size, fd + 1)) - return log_oom(); - - r = get_writer(s, name, &writer); - if (r < 0) - return log_warning_errno(r, "Failed to get writer for source %s: %m", - name); - - if (s->sources[fd] == NULL) { - s->sources[fd] = source_new(fd, false, name, writer); - if (!s->sources[fd]) { - writer_unref(writer); - return log_oom(); - } - - s->active++; - } - - *source = s->sources[fd]; - return 0; -} - -static int remove_source(RemoteServer *s, int fd) { - RemoteSource *source; - - assert(s); - assert(fd >= 0 && fd < (ssize_t) s->sources_size); - - source = s->sources[fd]; - if (source) { - /* this closes fd too */ - source_free(source); - s->sources[fd] = NULL; - s->active--; - } - - return 0; -} - -static int add_source(RemoteServer *s, int fd, char* name, bool own_name) { - - RemoteSource *source = NULL; - int r; - - /* This takes ownership of name, even on failure, if own_name is true. */ - - assert(s); - assert(fd >= 0); - assert(name); - - if (!own_name) { - name = strdup(name); - if (!name) - return log_oom(); - } - - r = get_source_for_fd(s, fd, name, &source); - if (r < 0) { - log_error_errno(r, "Failed to create source for fd:%d (%s): %m", - fd, name); - free(name); - return r; - } - - r = sd_event_add_io(s->events, &source->event, - fd, EPOLLIN|EPOLLRDHUP|EPOLLPRI, - dispatch_raw_source_event, source); - if (r == 0) { - /* Add additional source for buffer processing. It will be - * enabled later. */ - r = sd_event_add_defer(s->events, &source->buffer_event, - dispatch_raw_source_until_block, source); - if (r == 0) - sd_event_source_set_enabled(source->buffer_event, SD_EVENT_OFF); - } else if (r == -EPERM) { - log_debug("Falling back to sd_event_add_defer for fd:%d (%s)", fd, name); - r = sd_event_add_defer(s->events, &source->event, - dispatch_blocking_source_event, source); - if (r == 0) - sd_event_source_set_enabled(source->event, SD_EVENT_ON); - } - if (r < 0) { - log_error_errno(r, "Failed to register event source for fd:%d: %m", - fd); - goto error; - } - - r = sd_event_source_set_description(source->event, name); - if (r < 0) { - log_error_errno(r, "Failed to set source name for fd:%d: %m", fd); - goto error; - } - - return 1; /* work to do */ - - error: - remove_source(s, fd); - return r; -} - -static int add_raw_socket(RemoteServer *s, int fd) { - int r; - _cleanup_close_ int fd_ = fd; - char name[sizeof("raw-socket-")-1 + DECIMAL_STR_MAX(int) + 1]; - - assert(fd >= 0); - - r = sd_event_add_io(s->events, &s->listen_event, - fd, EPOLLIN, - dispatch_raw_connection_event, s); - if (r < 0) - return r; - - xsprintf(name, "raw-socket-%d", fd); - - r = sd_event_source_set_description(s->listen_event, name); - if (r < 0) - return r; - - fd_ = -1; - s->active++; - return 0; -} - -static int setup_raw_socket(RemoteServer *s, const char *address) { - int fd; - - fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM, SOCK_CLOEXEC); - if (fd < 0) - return fd; - - return add_raw_socket(s, fd); -} - -/********************************************************************** - ********************************************************************** - **********************************************************************/ - -static int request_meta(void **connection_cls, int fd, char *hostname) { - RemoteSource *source; - Writer *writer; - int r; - - assert(connection_cls); - if (*connection_cls) - return 0; - - r = get_writer(server, hostname, &writer); - if (r < 0) - return log_warning_errno(r, "Failed to get writer for source %s: %m", - hostname); - - source = source_new(fd, true, hostname, writer); - if (!source) { - writer_unref(writer); - return log_oom(); - } - - log_debug("Added RemoteSource as connection metadata %p", source); - - *connection_cls = source; - return 0; -} - -static void request_meta_free(void *cls, - struct MHD_Connection *connection, - void **connection_cls, - enum MHD_RequestTerminationCode toe) { - RemoteSource *s; - - assert(connection_cls); - s = *connection_cls; - - if (s) { - log_debug("Cleaning up connection metadata %p", s); - source_free(s); - *connection_cls = NULL; - } -} - -static int process_http_upload( - struct MHD_Connection *connection, - const char *upload_data, - size_t *upload_data_size, - RemoteSource *source) { - - bool finished = false; - size_t remaining; - int r; - - assert(source); - - log_trace("%s: connection %p, %zu bytes", - __func__, connection, *upload_data_size); - - if (*upload_data_size) { - log_trace("Received %zu bytes", *upload_data_size); - - r = push_data(source, upload_data, *upload_data_size); - if (r < 0) - return mhd_respond_oom(connection); - - *upload_data_size = 0; - } else - finished = true; - - for (;;) { - r = process_source(source, arg_compress, arg_seal); - if (r == -EAGAIN) - break; - else if (r < 0) { - log_warning("Failed to process data for connection %p", connection); - if (r == -E2BIG) - return mhd_respondf(connection, - MHD_HTTP_REQUEST_ENTITY_TOO_LARGE, - "Entry is too large, maximum is %u bytes.\n", - DATA_SIZE_MAX); - else - return mhd_respondf(connection, - MHD_HTTP_UNPROCESSABLE_ENTITY, - "Processing failed: %s.", strerror(-r)); - } - } - - if (!finished) - return MHD_YES; - - /* The upload is finished */ - - remaining = source_non_empty(source); - if (remaining > 0) { - log_warning("Premature EOFbyte. %zu bytes lost.", remaining); - return mhd_respondf(connection, MHD_HTTP_EXPECTATION_FAILED, - "Premature EOF. %zu bytes of trailing data not processed.", - remaining); - } - - return mhd_respond(connection, MHD_HTTP_ACCEPTED, "OK.\n"); -}; - -static int request_handler( - void *cls, - struct MHD_Connection *connection, - const char *url, - const char *method, - const char *version, - const char *upload_data, - size_t *upload_data_size, - void **connection_cls) { - - const char *header; - int r, code, fd; - _cleanup_free_ char *hostname = NULL; - - assert(connection); - assert(connection_cls); - assert(url); - assert(method); - - log_trace("Handling a connection %s %s %s", method, url, version); - - if (*connection_cls) - return process_http_upload(connection, - upload_data, upload_data_size, - *connection_cls); - - if (!streq(method, "POST")) - return mhd_respond(connection, MHD_HTTP_NOT_ACCEPTABLE, - "Unsupported method.\n"); - - if (!streq(url, "/upload")) - return mhd_respond(connection, MHD_HTTP_NOT_FOUND, - "Not found.\n"); - - header = MHD_lookup_connection_value(connection, - MHD_HEADER_KIND, "Content-Type"); - if (!header || !streq(header, "application/vnd.fdo.journal")) - return mhd_respond(connection, MHD_HTTP_UNSUPPORTED_MEDIA_TYPE, - "Content-Type: application/vnd.fdo.journal" - " is required.\n"); - - { - const union MHD_ConnectionInfo *ci; - - ci = MHD_get_connection_info(connection, - MHD_CONNECTION_INFO_CONNECTION_FD); - if (!ci) { - log_error("MHD_get_connection_info failed: cannot get remote fd"); - return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, - "Cannot check remote address"); - } - - fd = ci->connect_fd; - assert(fd >= 0); - } - - if (server->check_trust) { - r = check_permissions(connection, &code, &hostname); - if (r < 0) - return code; - } else { - r = getpeername_pretty(fd, false, &hostname); - if (r < 0) - return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, - "Cannot check remote hostname"); - } - - assert(hostname); - - r = request_meta(connection_cls, fd, hostname); - if (r == -ENOMEM) - return respond_oom(connection); - else if (r < 0) - return mhd_respond(connection, MHD_HTTP_INTERNAL_SERVER_ERROR, - strerror(-r)); - - hostname = NULL; - return MHD_YES; -} - -static int setup_microhttpd_server(RemoteServer *s, - int fd, - const char *key, - const char *cert, - const char *trust) { - struct MHD_OptionItem opts[] = { - { MHD_OPTION_NOTIFY_COMPLETED, (intptr_t) request_meta_free}, - { MHD_OPTION_EXTERNAL_LOGGER, (intptr_t) microhttpd_logger}, - { MHD_OPTION_LISTEN_SOCKET, fd}, - { MHD_OPTION_CONNECTION_MEMORY_LIMIT, 128*1024}, - { MHD_OPTION_END}, - { MHD_OPTION_END}, - { MHD_OPTION_END}, - { MHD_OPTION_END}}; - int opts_pos = 4; - int flags = - MHD_USE_DEBUG | - MHD_USE_DUAL_STACK | - MHD_USE_EPOLL_LINUX_ONLY | - MHD_USE_PEDANTIC_CHECKS | - MHD_USE_PIPE_FOR_SHUTDOWN; - - const union MHD_DaemonInfo *info; - int r, epoll_fd; - MHDDaemonWrapper *d; - - assert(fd >= 0); - - r = fd_nonblock(fd, true); - if (r < 0) - return log_error_errno(r, "Failed to make fd:%d nonblocking: %m", fd); - - if (key) { - assert(cert); - - opts[opts_pos++] = (struct MHD_OptionItem) - {MHD_OPTION_HTTPS_MEM_KEY, 0, (char*) key}; - opts[opts_pos++] = (struct MHD_OptionItem) - {MHD_OPTION_HTTPS_MEM_CERT, 0, (char*) cert}; - - flags |= MHD_USE_SSL; - - if (trust) - opts[opts_pos++] = (struct MHD_OptionItem) - {MHD_OPTION_HTTPS_MEM_TRUST, 0, (char*) trust}; - } - - d = new(MHDDaemonWrapper, 1); - if (!d) - return log_oom(); - - d->fd = (uint64_t) fd; - - d->daemon = MHD_start_daemon(flags, 0, - NULL, NULL, - request_handler, NULL, - MHD_OPTION_ARRAY, opts, - MHD_OPTION_END); - if (!d->daemon) { - log_error("Failed to start µhttp daemon"); - r = -EINVAL; - goto error; - } - - log_debug("Started MHD %s daemon on fd:%d (wrapper @ %p)", - key ? "HTTPS" : "HTTP", fd, d); - - - info = MHD_get_daemon_info(d->daemon, MHD_DAEMON_INFO_EPOLL_FD_LINUX_ONLY); - if (!info) { - log_error("µhttp returned NULL daemon info"); - r = -EOPNOTSUPP; - goto error; - } - - epoll_fd = info->listen_fd; - if (epoll_fd < 0) { - log_error("µhttp epoll fd is invalid"); - r = -EUCLEAN; - goto error; - } - - r = sd_event_add_io(s->events, &d->event, - epoll_fd, EPOLLIN, - dispatch_http_event, d); - if (r < 0) { - log_error_errno(r, "Failed to add event callback: %m"); - goto error; - } - - r = sd_event_source_set_description(d->event, "epoll-fd"); - if (r < 0) { - log_error_errno(r, "Failed to set source name: %m"); - goto error; - } - - r = hashmap_ensure_allocated(&s->daemons, &uint64_hash_ops); - if (r < 0) { - log_oom(); - goto error; - } - - r = hashmap_put(s->daemons, &d->fd, d); - if (r < 0) { - log_error_errno(r, "Failed to add daemon to hashmap: %m"); - goto error; - } - - s->active++; - return 0; - -error: - MHD_stop_daemon(d->daemon); - free(d->daemon); - free(d); - return r; -} - -static int setup_microhttpd_socket(RemoteServer *s, - const char *address, - const char *key, - const char *cert, - const char *trust) { - int fd; - - fd = make_socket_fd(LOG_DEBUG, address, SOCK_STREAM, SOCK_CLOEXEC); - if (fd < 0) - return fd; - - return setup_microhttpd_server(s, fd, key, cert, trust); -} - -static int dispatch_http_event(sd_event_source *event, - int fd, - uint32_t revents, - void *userdata) { - MHDDaemonWrapper *d = userdata; - int r; - - assert(d); - - r = MHD_run(d->daemon); - if (r == MHD_NO) { - log_error("MHD_run failed!"); - // XXX: unregister daemon - return -EINVAL; - } - - return 1; /* work to do */ -} - -/********************************************************************** - ********************************************************************** - **********************************************************************/ - -static int setup_signals(RemoteServer *s) { - int r; - - assert(s); - - assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); - - r = sd_event_add_signal(s->events, &s->sigterm_event, SIGTERM, NULL, s); - if (r < 0) - return r; - - r = sd_event_add_signal(s->events, &s->sigint_event, SIGINT, NULL, s); - if (r < 0) - return r; - - return 0; -} - -static int negative_fd(const char *spec) { - /* Return a non-positive number as its inverse, -EINVAL otherwise. */ - - int fd, r; - - r = safe_atoi(spec, &fd); - if (r < 0) - return r; - - if (fd > 0) - return -EINVAL; - else - return -fd; -} - -static int remoteserver_init(RemoteServer *s, - const char* key, - const char* cert, - const char* trust) { - int r, n, fd; - char **file; - - assert(s); - - if ((arg_listen_raw || arg_listen_http) && trust) { - log_error("Option --trust makes all non-HTTPS connections untrusted."); - return -EINVAL; - } - - r = sd_event_default(&s->events); - if (r < 0) - return log_error_errno(r, "Failed to allocate event loop: %m"); - - setup_signals(s); - - assert(server == NULL); - server = s; - - r = init_writer_hashmap(s); - if (r < 0) - return r; - - n = sd_listen_fds(true); - if (n < 0) - return log_error_errno(n, "Failed to read listening file descriptors from environment: %m"); - else - log_debug("Received %d descriptors", n); - - if (MAX(http_socket, https_socket) >= SD_LISTEN_FDS_START + n) { - log_error("Received fewer sockets than expected"); - return -EBADFD; - } - - for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) { - if (sd_is_socket(fd, AF_UNSPEC, 0, true)) { - log_debug("Received a listening socket (fd:%d)", fd); - - if (fd == http_socket) - r = setup_microhttpd_server(s, fd, NULL, NULL, NULL); - else if (fd == https_socket) - r = setup_microhttpd_server(s, fd, key, cert, trust); - else - r = add_raw_socket(s, fd); - } else if (sd_is_socket(fd, AF_UNSPEC, 0, false)) { - char *hostname; - - r = getpeername_pretty(fd, false, &hostname); - if (r < 0) - return log_error_errno(r, "Failed to retrieve remote name: %m"); - - log_debug("Received a connection socket (fd:%d) from %s", fd, hostname); - - r = add_source(s, fd, hostname, true); - } else { - log_error("Unknown socket passed on fd:%d", fd); - - return -EINVAL; - } - - if (r < 0) - return log_error_errno(r, "Failed to register socket (fd:%d): %m", - fd); - } - - if (arg_getter) { - log_info("Spawning getter %s...", arg_getter); - fd = spawn_getter(arg_getter); - if (fd < 0) - return fd; - - r = add_source(s, fd, (char*) arg_output, false); - if (r < 0) - return r; - } - - if (arg_url) { - const char *url; - char *hostname, *p; - - if (!strstr(arg_url, "/entries")) { - if (endswith(arg_url, "/")) - url = strjoina(arg_url, "entries"); - else - url = strjoina(arg_url, "/entries"); - } - else - url = strdupa(arg_url); - - log_info("Spawning curl %s...", url); - fd = spawn_curl(url); - if (fd < 0) - return fd; - - hostname = - startswith(arg_url, "https://") ?: - startswith(arg_url, "http://") ?: - arg_url; - - hostname = strdupa(hostname); - if ((p = strchr(hostname, '/'))) - *p = '\0'; - if ((p = strchr(hostname, ':'))) - *p = '\0'; - - r = add_source(s, fd, hostname, false); - if (r < 0) - return r; - } - - if (arg_listen_raw) { - log_debug("Listening on a socket..."); - r = setup_raw_socket(s, arg_listen_raw); - if (r < 0) - return r; - } - - if (arg_listen_http) { - r = setup_microhttpd_socket(s, arg_listen_http, NULL, NULL, NULL); - if (r < 0) - return r; - } - - if (arg_listen_https) { - r = setup_microhttpd_socket(s, arg_listen_https, key, cert, trust); - if (r < 0) - return r; - } - - STRV_FOREACH(file, arg_files) { - const char *output_name; - - if (streq(*file, "-")) { - log_debug("Using standard input as source."); - - fd = STDIN_FILENO; - output_name = "stdin"; - } else { - log_debug("Reading file %s...", *file); - - fd = open(*file, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NONBLOCK); - if (fd < 0) - return log_error_errno(errno, "Failed to open %s: %m", *file); - output_name = *file; - } - - r = add_source(s, fd, (char*) output_name, false); - if (r < 0) - return r; - } - - if (s->active == 0) { - log_error("Zero sources specified"); - return -EINVAL; - } - - if (arg_split_mode == JOURNAL_WRITE_SPLIT_NONE) { - /* In this case we know what the writer will be - called, so we can create it and verify that we can - create output as expected. */ - r = get_writer(s, NULL, &s->_single_writer); - if (r < 0) - return r; - } - - return 0; -} - -static void server_destroy(RemoteServer *s) { - size_t i; - MHDDaemonWrapper *d; - - while ((d = hashmap_steal_first(s->daemons))) { - MHD_stop_daemon(d->daemon); - sd_event_source_unref(d->event); - free(d); - } - - hashmap_free(s->daemons); - - assert(s->sources_size == 0 || s->sources); - for (i = 0; i < s->sources_size; i++) - remove_source(s, i); - free(s->sources); - - writer_unref(s->_single_writer); - hashmap_free(s->writers); - - sd_event_source_unref(s->sigterm_event); - sd_event_source_unref(s->sigint_event); - sd_event_source_unref(s->listen_event); - sd_event_unref(s->events); - - /* fds that we're listening on remain open... */ -} - -/********************************************************************** - ********************************************************************** - **********************************************************************/ - -static int handle_raw_source(sd_event_source *event, - int fd, - uint32_t revents, - RemoteServer *s) { - - RemoteSource *source; - int r; - - /* Returns 1 if there might be more data pending, - * 0 if data is currently exhausted, negative on error. - */ - - assert(fd >= 0 && fd < (ssize_t) s->sources_size); - source = s->sources[fd]; - assert(source->fd == fd); - - r = process_source(source, arg_compress, arg_seal); - if (source->state == STATE_EOF) { - size_t remaining; - - log_debug("EOF reached with source fd:%d (%s)", - source->fd, source->name); - - remaining = source_non_empty(source); - if (remaining > 0) - log_notice("Premature EOF. %zu bytes lost.", remaining); - remove_source(s, source->fd); - log_debug("%zu active sources remaining", s->active); - return 0; - } else if (r == -E2BIG) { - log_notice_errno(E2BIG, "Entry too big, skipped"); - return 1; - } else if (r == -EAGAIN) { - return 0; - } else if (r < 0) { - log_debug_errno(r, "Closing connection: %m"); - remove_source(server, fd); - return 0; - } else - return 1; -} - -static int dispatch_raw_source_until_block(sd_event_source *event, - void *userdata) { - RemoteSource *source = userdata; - int r; - - /* Make sure event stays around even if source is destroyed */ - sd_event_source_ref(event); - - r = handle_raw_source(event, source->fd, EPOLLIN, server); - if (r != 1) - /* No more data for now */ - sd_event_source_set_enabled(event, SD_EVENT_OFF); - - sd_event_source_unref(event); - - return r; -} - -static int dispatch_raw_source_event(sd_event_source *event, - int fd, - uint32_t revents, - void *userdata) { - RemoteSource *source = userdata; - int r; - - assert(source->event); - assert(source->buffer_event); - - r = handle_raw_source(event, fd, EPOLLIN, server); - if (r == 1) - /* Might have more data. We need to rerun the handler - * until we are sure the buffer is exhausted. */ - sd_event_source_set_enabled(source->buffer_event, SD_EVENT_ON); - - return r; -} - -static int dispatch_blocking_source_event(sd_event_source *event, - void *userdata) { - RemoteSource *source = userdata; - - return handle_raw_source(event, source->fd, EPOLLIN, server); -} - -static int accept_connection(const char* type, int fd, - SocketAddress *addr, char **hostname) { - int fd2, r; - - log_debug("Accepting new %s connection on fd:%d", type, fd); - fd2 = accept4(fd, &addr->sockaddr.sa, &addr->size, SOCK_NONBLOCK|SOCK_CLOEXEC); - if (fd2 < 0) - return log_error_errno(errno, "accept() on fd:%d failed: %m", fd); - - switch(socket_address_family(addr)) { - case AF_INET: - case AF_INET6: { - _cleanup_free_ char *a = NULL; - char *b; - - r = socket_address_print(addr, &a); - if (r < 0) { - log_error_errno(r, "socket_address_print(): %m"); - close(fd2); - return r; - } - - r = socknameinfo_pretty(&addr->sockaddr, addr->size, &b); - if (r < 0) { - log_error_errno(r, "Resolving hostname failed: %m"); - close(fd2); - return r; - } - - log_debug("Accepted %s %s connection from %s", - type, - socket_address_family(addr) == AF_INET ? "IP" : "IPv6", - a); - - *hostname = b; - - return fd2; - }; - default: - log_error("Rejected %s connection with unsupported family %d", - type, socket_address_family(addr)); - close(fd2); - - return -EINVAL; - } -} - -static int dispatch_raw_connection_event(sd_event_source *event, - int fd, - uint32_t revents, - void *userdata) { - RemoteServer *s = userdata; - int fd2; - SocketAddress addr = { - .size = sizeof(union sockaddr_union), - .type = SOCK_STREAM, - }; - char *hostname = NULL; - - fd2 = accept_connection("raw", fd, &addr, &hostname); - if (fd2 < 0) - return fd2; - - return add_source(s, fd2, hostname, true); -} - -/********************************************************************** - ********************************************************************** - **********************************************************************/ - -static const char* const journal_write_split_mode_table[_JOURNAL_WRITE_SPLIT_MAX] = { - [JOURNAL_WRITE_SPLIT_NONE] = "none", - [JOURNAL_WRITE_SPLIT_HOST] = "host", -}; - -DEFINE_PRIVATE_STRING_TABLE_LOOKUP(journal_write_split_mode, JournalWriteSplitMode); -static DEFINE_CONFIG_PARSE_ENUM(config_parse_write_split_mode, - journal_write_split_mode, - JournalWriteSplitMode, - "Failed to parse split mode setting"); - -static int parse_config(void) { - const ConfigTableItem items[] = { - { "Remote", "Seal", config_parse_bool, 0, &arg_seal }, - { "Remote", "SplitMode", config_parse_write_split_mode, 0, &arg_split_mode }, - { "Remote", "ServerKeyFile", config_parse_path, 0, &arg_key }, - { "Remote", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, - { "Remote", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, - {}}; - - return config_parse_many(PKGSYSCONFDIR "/journal-remote.conf", - CONF_PATHS_NULSTR("systemd/journal-remote.conf.d"), - "Remote\0", config_item_table_lookup, items, - false, NULL); -} - -static void help(void) { - printf("%s [OPTIONS...] {FILE|-}...\n\n" - "Write external journal events to journal file(s).\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " --url=URL Read events from systemd-journal-gatewayd at URL\n" - " --getter=COMMAND Read events from the output of COMMAND\n" - " --listen-raw=ADDR Listen for connections at ADDR\n" - " --listen-http=ADDR Listen for HTTP connections at ADDR\n" - " --listen-https=ADDR Listen for HTTPS connections at ADDR\n" - " -o --output=FILE|DIR Write output to FILE or DIR/external-*.journal\n" - " --compress[=BOOL] XZ-compress the output journal (default: yes)\n" - " --seal[=BOOL] Use event sealing (default: no)\n" - " --key=FILENAME SSL key in PEM format (default:\n" - " \"" PRIV_KEY_FILE "\")\n" - " --cert=FILENAME SSL certificate in PEM format (default:\n" - " \"" CERT_FILE "\")\n" - " --trust=FILENAME|all SSL CA certificate or disable checking (default:\n" - " \"" TRUST_FILE "\")\n" - " --gnutls-log=CATEGORY...\n" - " Specify a list of gnutls logging categories\n" - " --split-mode=none|host How many output files to create\n" - "\n" - "Note: file descriptors from sd_listen_fds() will be consumed, too.\n" - , program_invocation_short_name); -} - -static int parse_argv(int argc, char *argv[]) { - enum { - ARG_VERSION = 0x100, - ARG_URL, - ARG_LISTEN_RAW, - ARG_LISTEN_HTTP, - ARG_LISTEN_HTTPS, - ARG_GETTER, - ARG_SPLIT_MODE, - ARG_COMPRESS, - ARG_SEAL, - ARG_KEY, - ARG_CERT, - ARG_TRUST, - ARG_GNUTLS_LOG, - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - { "url", required_argument, NULL, ARG_URL }, - { "getter", required_argument, NULL, ARG_GETTER }, - { "listen-raw", required_argument, NULL, ARG_LISTEN_RAW }, - { "listen-http", required_argument, NULL, ARG_LISTEN_HTTP }, - { "listen-https", required_argument, NULL, ARG_LISTEN_HTTPS }, - { "output", required_argument, NULL, 'o' }, - { "split-mode", required_argument, NULL, ARG_SPLIT_MODE }, - { "compress", optional_argument, NULL, ARG_COMPRESS }, - { "seal", optional_argument, NULL, ARG_SEAL }, - { "key", required_argument, NULL, ARG_KEY }, - { "cert", required_argument, NULL, ARG_CERT }, - { "trust", required_argument, NULL, ARG_TRUST }, - { "gnutls-log", required_argument, NULL, ARG_GNUTLS_LOG }, - {} - }; - - int c, r; - bool type_a, type_b; - - assert(argc >= 0); - assert(argv); - - while ((c = getopt_long(argc, argv, "ho:", options, NULL)) >= 0) - switch(c) { - case 'h': - help(); - return 0 /* done */; - - case ARG_VERSION: - return version(); - - case ARG_URL: - if (arg_url) { - log_error("cannot currently set more than one --url"); - return -EINVAL; - } - - arg_url = optarg; - break; - - case ARG_GETTER: - if (arg_getter) { - log_error("cannot currently use --getter more than once"); - return -EINVAL; - } - - arg_getter = optarg; - break; - - case ARG_LISTEN_RAW: - if (arg_listen_raw) { - log_error("cannot currently use --listen-raw more than once"); - return -EINVAL; - } - - arg_listen_raw = optarg; - break; - - case ARG_LISTEN_HTTP: - if (arg_listen_http || http_socket >= 0) { - log_error("cannot currently use --listen-http more than once"); - return -EINVAL; - } - - r = negative_fd(optarg); - if (r >= 0) - http_socket = r; - else - arg_listen_http = optarg; - break; - - case ARG_LISTEN_HTTPS: - if (arg_listen_https || https_socket >= 0) { - log_error("cannot currently use --listen-https more than once"); - return -EINVAL; - } - - r = negative_fd(optarg); - if (r >= 0) - https_socket = r; - else - arg_listen_https = optarg; - - break; - - case ARG_KEY: - if (arg_key) { - log_error("Key file specified twice"); - return -EINVAL; - } - - arg_key = strdup(optarg); - if (!arg_key) - return log_oom(); - - break; - - case ARG_CERT: - if (arg_cert) { - log_error("Certificate file specified twice"); - return -EINVAL; - } - - arg_cert = strdup(optarg); - if (!arg_cert) - return log_oom(); - - break; - - case ARG_TRUST: - if (arg_trust || arg_trust_all) { - log_error("Confusing trusted CA configuration"); - return -EINVAL; - } - - if (streq(optarg, "all")) - arg_trust_all = true; - else { -#ifdef HAVE_GNUTLS - arg_trust = strdup(optarg); - if (!arg_trust) - return log_oom(); -#else - log_error("Option --trust is not available."); - return -EINVAL; -#endif - } - - break; - - case 'o': - if (arg_output) { - log_error("cannot use --output/-o more than once"); - return -EINVAL; - } - - arg_output = optarg; - break; - - case ARG_SPLIT_MODE: - arg_split_mode = journal_write_split_mode_from_string(optarg); - if (arg_split_mode == _JOURNAL_WRITE_SPLIT_INVALID) { - log_error("Invalid split mode: %s", optarg); - return -EINVAL; - } - break; - - case ARG_COMPRESS: - if (optarg) { - r = parse_boolean(optarg); - if (r < 0) { - log_error("Failed to parse --compress= parameter."); - return -EINVAL; - } - - arg_compress = !!r; - } else - arg_compress = true; - - break; - - case ARG_SEAL: - if (optarg) { - r = parse_boolean(optarg); - if (r < 0) { - log_error("Failed to parse --seal= parameter."); - return -EINVAL; - } - - arg_seal = !!r; - } else - arg_seal = true; - - break; - - case ARG_GNUTLS_LOG: { -#ifdef HAVE_GNUTLS - const char* p = optarg; - for (;;) { - _cleanup_free_ char *word = NULL; - - r = extract_first_word(&p, &word, ",", 0); - if (r < 0) - return log_error_errno(r, "Failed to parse --gnutls-log= argument: %m"); - - if (r == 0) - break; - - if (strv_push(&arg_gnutls_log, word) < 0) - return log_oom(); - - word = NULL; - } - break; -#else - log_error("Option --gnutls-log is not available."); - return -EINVAL; -#endif - } - - case '?': - return -EINVAL; - - default: - assert_not_reached("Unknown option code."); - } - - if (optind < argc) - arg_files = argv + optind; - - type_a = arg_getter || !strv_isempty(arg_files); - type_b = arg_url - || arg_listen_raw - || arg_listen_http || arg_listen_https - || sd_listen_fds(false) > 0; - if (type_a && type_b) { - log_error("Cannot use file input or --getter with " - "--arg-listen-... or socket activation."); - return -EINVAL; - } - if (type_a) { - if (!arg_output) { - log_error("Option --output must be specified with file input or --getter."); - return -EINVAL; - } - - arg_split_mode = JOURNAL_WRITE_SPLIT_NONE; - } - - if (arg_split_mode == JOURNAL_WRITE_SPLIT_NONE - && arg_output && is_dir(arg_output, true) > 0) { - log_error("For SplitMode=none, output must be a file."); - return -EINVAL; - } - - if (arg_split_mode == JOURNAL_WRITE_SPLIT_HOST - && arg_output && is_dir(arg_output, true) <= 0) { - log_error("For SplitMode=host, output must be a directory."); - return -EINVAL; - } - - log_debug("Full config: SplitMode=%s Key=%s Cert=%s Trust=%s", - journal_write_split_mode_to_string(arg_split_mode), - strna(arg_key), - strna(arg_cert), - strna(arg_trust)); - - return 1 /* work to do */; -} - -static int load_certificates(char **key, char **cert, char **trust) { - int r; - - r = read_full_file(arg_key ?: PRIV_KEY_FILE, key, NULL); - if (r < 0) - return log_error_errno(r, "Failed to read key from file '%s': %m", - arg_key ?: PRIV_KEY_FILE); - - r = read_full_file(arg_cert ?: CERT_FILE, cert, NULL); - if (r < 0) - return log_error_errno(r, "Failed to read certificate from file '%s': %m", - arg_cert ?: CERT_FILE); - - if (arg_trust_all) - log_info("Certificate checking disabled."); - else { - r = read_full_file(arg_trust ?: TRUST_FILE, trust, NULL); - if (r < 0) - return log_error_errno(r, "Failed to read CA certificate file '%s': %m", - arg_trust ?: TRUST_FILE); - } - - return 0; -} - -int main(int argc, char **argv) { - RemoteServer s = {}; - int r; - _cleanup_free_ char *key = NULL, *cert = NULL, *trust = NULL; - - log_show_color(true); - log_parse_environment(); - - r = parse_config(); - if (r < 0) - return EXIT_FAILURE; - - r = parse_argv(argc, argv); - if (r <= 0) - return r == 0 ? EXIT_SUCCESS : EXIT_FAILURE; - - - if (arg_listen_http || arg_listen_https) { - r = setup_gnutls_logger(arg_gnutls_log); - if (r < 0) - return EXIT_FAILURE; - } - - if (arg_listen_https || https_socket >= 0) - if (load_certificates(&key, &cert, &trust) < 0) - return EXIT_FAILURE; - - if (remoteserver_init(&s, key, cert, trust) < 0) - return EXIT_FAILURE; - - r = sd_event_set_watchdog(s.events, true); - if (r < 0) - log_error_errno(r, "Failed to enable watchdog: %m"); - else - log_debug("Watchdog is %s.", r > 0 ? "enabled" : "disabled"); - - log_debug("%s running as pid "PID_FMT, - program_invocation_short_name, getpid()); - sd_notify(false, - "READY=1\n" - "STATUS=Processing requests..."); - - while (s.active) { - r = sd_event_get_state(s.events); - if (r < 0) - break; - if (r == SD_EVENT_FINISHED) - break; - - r = sd_event_run(s.events, -1); - if (r < 0) { - log_error_errno(r, "Failed to run event loop: %m"); - break; - } - } - - sd_notifyf(false, - "STOPPING=1\n" - "STATUS=Shutting down after writing %" PRIu64 " entries...", s.event_count); - log_info("Finishing after writing %" PRIu64 " entries", s.event_count); - - server_destroy(&s); - - free(arg_key); - free(arg_cert); - free(arg_trust); - - return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE; -} diff --git a/src/journal-remote/journal-remote.conf.in b/src/journal-remote/journal-remote.conf.in deleted file mode 100644 index 7122d63362..0000000000 --- a/src/journal-remote/journal-remote.conf.in +++ /dev/null @@ -1,6 +0,0 @@ -[Remote] -# Seal=false -# SplitMode=host -# ServerKeyFile=@CERTIFICATEROOT@/private/journal-remote.pem -# ServerCertificateFile=@CERTIFICATEROOT@/certs/journal-remote.pem -# TrustedCertificateFile=@CERTIFICATEROOT@/ca/trusted.pem diff --git a/src/journal-remote/journal-remote.h b/src/journal-remote/journal-remote.h deleted file mode 100644 index 30ad7df996..0000000000 --- a/src/journal-remote/journal-remote.h +++ /dev/null @@ -1,52 +0,0 @@ -#pragma once - -/*** - This file is part of systemd. - - Copyright 2014 Zbigniew Jędrzejewski-Szmek - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include "sd-event.h" - -#include "hashmap.h" -#include "journal-remote-parse.h" -#include "journal-remote-write.h" -#include "microhttpd-util.h" - -typedef struct MHDDaemonWrapper MHDDaemonWrapper; - -struct MHDDaemonWrapper { - uint64_t fd; - struct MHD_Daemon *daemon; - - sd_event_source *event; -}; - -struct RemoteServer { - RemoteSource **sources; - size_t sources_size; - size_t active; - - sd_event *events; - sd_event_source *sigterm_event, *sigint_event, *listen_event; - - Hashmap *writers; - Writer *_single_writer; - uint64_t event_count; - - bool check_trust; - Hashmap *daemons; -}; diff --git a/src/journal-remote/journal-upload-journal.c b/src/journal-remote/journal-upload-journal.c deleted file mode 100644 index 8ce8e1895e..0000000000 --- a/src/journal-remote/journal-upload-journal.c +++ /dev/null @@ -1,422 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2014 Zbigniew Jędrzejewski-Szmek - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <curl/curl.h> -#include <stdbool.h> - -#include "alloc-util.h" -#include "journal-upload.h" -#include "log.h" -#include "utf8.h" -#include "util.h" -#include "sd-daemon.h" - -/** - * Write up to size bytes to buf. Return negative on error, and number of - * bytes written otherwise. The last case is a kind of an error too. - */ -static ssize_t write_entry(char *buf, size_t size, Uploader *u) { - int r; - size_t pos = 0; - - assert(size <= SSIZE_MAX); - - for (;;) { - - switch(u->entry_state) { - case ENTRY_CURSOR: { - u->current_cursor = mfree(u->current_cursor); - - r = sd_journal_get_cursor(u->journal, &u->current_cursor); - if (r < 0) - return log_error_errno(r, "Failed to get cursor: %m"); - - r = snprintf(buf + pos, size - pos, - "__CURSOR=%s\n", u->current_cursor); - if (pos + r > size) - /* not enough space */ - return pos; - - u->entry_state++; - - if (pos + r == size) { - /* exactly one character short, but we don't need it */ - buf[size - 1] = '\n'; - return size; - } - - pos += r; - } /* fall through */ - - case ENTRY_REALTIME: { - usec_t realtime; - - r = sd_journal_get_realtime_usec(u->journal, &realtime); - if (r < 0) - return log_error_errno(r, "Failed to get realtime timestamp: %m"); - - r = snprintf(buf + pos, size - pos, - "__REALTIME_TIMESTAMP="USEC_FMT"\n", realtime); - if (r + pos > size) - /* not enough space */ - return pos; - - u->entry_state++; - - if (r + pos == size) { - /* exactly one character short, but we don't need it */ - buf[size - 1] = '\n'; - return size; - } - - pos += r; - } /* fall through */ - - case ENTRY_MONOTONIC: { - usec_t monotonic; - sd_id128_t boot_id; - - r = sd_journal_get_monotonic_usec(u->journal, &monotonic, &boot_id); - if (r < 0) - return log_error_errno(r, "Failed to get monotonic timestamp: %m"); - - r = snprintf(buf + pos, size - pos, - "__MONOTONIC_TIMESTAMP="USEC_FMT"\n", monotonic); - if (r + pos > size) - /* not enough space */ - return pos; - - u->entry_state++; - - if (r + pos == size) { - /* exactly one character short, but we don't need it */ - buf[size - 1] = '\n'; - return size; - } - - pos += r; - } /* fall through */ - - case ENTRY_BOOT_ID: { - sd_id128_t boot_id; - char sid[33]; - - r = sd_journal_get_monotonic_usec(u->journal, NULL, &boot_id); - if (r < 0) - return log_error_errno(r, "Failed to get monotonic timestamp: %m"); - - r = snprintf(buf + pos, size - pos, - "_BOOT_ID=%s\n", sd_id128_to_string(boot_id, sid)); - if (r + pos > size) - /* not enough space */ - return pos; - - u->entry_state++; - - if (r + pos == size) { - /* exactly one character short, but we don't need it */ - buf[size - 1] = '\n'; - return size; - } - - pos += r; - } /* fall through */ - - case ENTRY_NEW_FIELD: { - u->field_pos = 0; - - r = sd_journal_enumerate_data(u->journal, - &u->field_data, - &u->field_length); - if (r < 0) - return log_error_errno(r, "Failed to move to next field in entry: %m"); - else if (r == 0) { - u->entry_state = ENTRY_OUTRO; - continue; - } - - if (!utf8_is_printable_newline(u->field_data, - u->field_length, false)) { - u->entry_state = ENTRY_BINARY_FIELD_START; - continue; - } - - u->entry_state++; - } /* fall through */ - - case ENTRY_TEXT_FIELD: - case ENTRY_BINARY_FIELD: { - bool done; - size_t tocopy; - - done = size - pos > u->field_length - u->field_pos; - if (done) - tocopy = u->field_length - u->field_pos; - else - tocopy = size - pos; - - memcpy(buf + pos, - (char*) u->field_data + u->field_pos, - tocopy); - - if (done) { - buf[pos + tocopy] = '\n'; - pos += tocopy + 1; - u->entry_state = ENTRY_NEW_FIELD; - continue; - } else { - u->field_pos += tocopy; - return size; - } - } - - case ENTRY_BINARY_FIELD_START: { - const char *c; - size_t len; - - c = memchr(u->field_data, '=', u->field_length); - if (!c || c == u->field_data) { - log_error("Invalid field."); - return -EINVAL; - } - - len = c - (const char*)u->field_data; - - /* need space for label + '\n' */ - if (size - pos < len + 1) - return pos; - - memcpy(buf + pos, u->field_data, len); - buf[pos + len] = '\n'; - pos += len + 1; - - u->field_pos = len + 1; - u->entry_state++; - } /* fall through */ - - case ENTRY_BINARY_FIELD_SIZE: { - uint64_t le64; - - /* need space for uint64_t */ - if (size - pos < 8) - return pos; - - le64 = htole64(u->field_length - u->field_pos); - memcpy(buf + pos, &le64, 8); - pos += 8; - - u->entry_state++; - continue; - } - - case ENTRY_OUTRO: - /* need space for '\n' */ - if (size - pos < 1) - return pos; - - buf[pos++] = '\n'; - u->entry_state++; - u->entries_sent++; - - return pos; - - default: - assert_not_reached("WTF?"); - } - } - assert_not_reached("WTF?"); -} - -static inline void check_update_watchdog(Uploader *u) { - usec_t after; - usec_t elapsed_time; - - if (u->watchdog_usec <= 0) - return; - - after = now(CLOCK_MONOTONIC); - elapsed_time = usec_sub(after, u->watchdog_timestamp); - if (elapsed_time > u->watchdog_usec / 2) { - log_debug("Update watchdog timer"); - sd_notify(false, "WATCHDOG=1"); - u->watchdog_timestamp = after; - } -} - -static size_t journal_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { - Uploader *u = userp; - int r; - sd_journal *j; - size_t filled = 0; - ssize_t w; - - assert(u); - assert(nmemb <= SSIZE_MAX / size); - - check_update_watchdog(u); - - j = u->journal; - - while (j && filled < size * nmemb) { - if (u->entry_state == ENTRY_DONE) { - r = sd_journal_next(j); - if (r < 0) { - log_error_errno(r, "Failed to move to next entry in journal: %m"); - return CURL_READFUNC_ABORT; - } else if (r == 0) { - if (u->input_event) - log_debug("No more entries, waiting for journal."); - else { - log_info("No more entries, closing journal."); - close_journal_input(u); - } - - u->uploading = false; - - break; - } - - u->entry_state = ENTRY_CURSOR; - } - - w = write_entry((char*)buf + filled, size * nmemb - filled, u); - if (w < 0) - return CURL_READFUNC_ABORT; - filled += w; - - if (filled == 0) { - log_error("Buffer space is too small to write entry."); - return CURL_READFUNC_ABORT; - } else if (u->entry_state != ENTRY_DONE) - /* This means that all available space was used up */ - break; - - log_debug("Entry %zu (%s) has been uploaded.", - u->entries_sent, u->current_cursor); - } - - return filled; -} - -void close_journal_input(Uploader *u) { - assert(u); - - if (u->journal) { - log_debug("Closing journal input."); - - sd_journal_close(u->journal); - u->journal = NULL; - } - u->timeout = 0; -} - -static int process_journal_input(Uploader *u, int skip) { - int r; - - if (u->uploading) - return 0; - - r = sd_journal_next_skip(u->journal, skip); - if (r < 0) - return log_error_errno(r, "Failed to skip to next entry: %m"); - else if (r < skip) - return 0; - - /* have data */ - u->entry_state = ENTRY_CURSOR; - return start_upload(u, journal_input_callback, u); -} - -int check_journal_input(Uploader *u) { - if (u->input_event) { - int r; - - r = sd_journal_process(u->journal); - if (r < 0) { - log_error_errno(r, "Failed to process journal: %m"); - close_journal_input(u); - return r; - } - - if (r == SD_JOURNAL_NOP) - return 0; - } - - return process_journal_input(u, 1); -} - -static int dispatch_journal_input(sd_event_source *event, - int fd, - uint32_t revents, - void *userp) { - Uploader *u = userp; - - assert(u); - - if (u->uploading) - return 0; - - log_debug("Detected journal input, checking for new data."); - return check_journal_input(u); -} - -int open_journal_for_upload(Uploader *u, - sd_journal *j, - const char *cursor, - bool after_cursor, - bool follow) { - int fd, r, events; - - u->journal = j; - - sd_journal_set_data_threshold(j, 0); - - if (follow) { - fd = sd_journal_get_fd(j); - if (fd < 0) - return log_error_errno(fd, "sd_journal_get_fd failed: %m"); - - events = sd_journal_get_events(j); - - r = sd_journal_reliable_fd(j); - assert(r >= 0); - if (r > 0) - u->timeout = -1; - else - u->timeout = JOURNAL_UPLOAD_POLL_TIMEOUT; - - r = sd_event_add_io(u->events, &u->input_event, - fd, events, dispatch_journal_input, u); - if (r < 0) - return log_error_errno(r, "Failed to register input event: %m"); - - log_debug("Listening for journal events on fd:%d, timeout %d", - fd, u->timeout == (uint64_t) -1 ? -1 : (int) u->timeout); - } else - log_debug("Not listening for journal events."); - - if (cursor) { - r = sd_journal_seek_cursor(j, cursor); - if (r < 0) - return log_error_errno(r, "Failed to seek to cursor %s: %m", - cursor); - } - - return process_journal_input(u, 1 + !!after_cursor); -} diff --git a/src/journal-remote/journal-upload.c b/src/journal-remote/journal-upload.c deleted file mode 100644 index 4647cfdeb3..0000000000 --- a/src/journal-remote/journal-upload.c +++ /dev/null @@ -1,880 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2014 Zbigniew Jędrzejewski-Szmek - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <curl/curl.h> -#include <fcntl.h> -#include <getopt.h> -#include <stdio.h> -#include <sys/stat.h> - -#include "sd-daemon.h" - -#include "alloc-util.h" -#include "conf-parser.h" -#include "def.h" -#include "fd-util.h" -#include "fileio.h" -#include "formats-util.h" -#include "glob-util.h" -#include "journal-upload.h" -#include "log.h" -#include "mkdir.h" -#include "parse-util.h" -#include "sigbus.h" -#include "signal-util.h" -#include "string-util.h" -#include "util.h" - -#define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-upload.pem" -#define CERT_FILE CERTIFICATE_ROOT "/certs/journal-upload.pem" -#define TRUST_FILE CERTIFICATE_ROOT "/ca/trusted.pem" -#define DEFAULT_PORT 19532 - -static const char* arg_url = NULL; -static const char *arg_key = NULL; -static const char *arg_cert = NULL; -static const char *arg_trust = NULL; -static const char *arg_directory = NULL; -static char **arg_file = NULL; -static const char *arg_cursor = NULL; -static bool arg_after_cursor = false; -static int arg_journal_type = 0; -static const char *arg_machine = NULL; -static bool arg_merge = false; -static int arg_follow = -1; -static const char *arg_save_state = NULL; - -static void close_fd_input(Uploader *u); - -#define SERVER_ANSWER_KEEP 2048 - -#define STATE_FILE "/var/lib/systemd/journal-upload/state" - -#define easy_setopt(curl, opt, value, level, cmd) \ - do { \ - code = curl_easy_setopt(curl, opt, value); \ - if (code) { \ - log_full(level, \ - "curl_easy_setopt " #opt " failed: %s", \ - curl_easy_strerror(code)); \ - cmd; \ - } \ - } while (0) - -static size_t output_callback(char *buf, - size_t size, - size_t nmemb, - void *userp) { - Uploader *u = userp; - - assert(u); - - log_debug("The server answers (%zu bytes): %.*s", - size*nmemb, (int)(size*nmemb), buf); - - if (nmemb && !u->answer) { - u->answer = strndup(buf, size*nmemb); - if (!u->answer) - log_warning_errno(ENOMEM, "Failed to store server answer (%zu bytes): %m", - size*nmemb); - } - - return size * nmemb; -} - -static int check_cursor_updating(Uploader *u) { - _cleanup_free_ char *temp_path = NULL; - _cleanup_fclose_ FILE *f = NULL; - int r; - - if (!u->state_file) - return 0; - - r = mkdir_parents(u->state_file, 0755); - if (r < 0) - return log_error_errno(r, "Cannot create parent directory of state file %s: %m", - u->state_file); - - r = fopen_temporary(u->state_file, &f, &temp_path); - if (r < 0) - return log_error_errno(r, "Cannot save state to %s: %m", - u->state_file); - unlink(temp_path); - - return 0; -} - -static int update_cursor_state(Uploader *u) { - _cleanup_free_ char *temp_path = NULL; - _cleanup_fclose_ FILE *f = NULL; - int r; - - if (!u->state_file || !u->last_cursor) - return 0; - - r = fopen_temporary(u->state_file, &f, &temp_path); - if (r < 0) - goto fail; - - fprintf(f, - "# This is private data. Do not parse.\n" - "LAST_CURSOR=%s\n", - u->last_cursor); - - r = fflush_and_check(f); - if (r < 0) - goto fail; - - if (rename(temp_path, u->state_file) < 0) { - r = -errno; - goto fail; - } - - return 0; - -fail: - if (temp_path) - (void) unlink(temp_path); - - (void) unlink(u->state_file); - - return log_error_errno(r, "Failed to save state %s: %m", u->state_file); -} - -static int load_cursor_state(Uploader *u) { - int r; - - if (!u->state_file) - return 0; - - r = parse_env_file(u->state_file, NEWLINE, - "LAST_CURSOR", &u->last_cursor, - NULL); - - if (r == -ENOENT) - log_debug("State file %s is not present.", u->state_file); - else if (r < 0) - return log_error_errno(r, "Failed to read state file %s: %m", - u->state_file); - else - log_debug("Last cursor was %s", u->last_cursor); - - return 0; -} - - - -int start_upload(Uploader *u, - size_t (*input_callback)(void *ptr, - size_t size, - size_t nmemb, - void *userdata), - void *data) { - CURLcode code; - - assert(u); - assert(input_callback); - - if (!u->header) { - struct curl_slist *h; - - h = curl_slist_append(NULL, "Content-Type: application/vnd.fdo.journal"); - if (!h) - return log_oom(); - - h = curl_slist_append(h, "Transfer-Encoding: chunked"); - if (!h) { - curl_slist_free_all(h); - return log_oom(); - } - - h = curl_slist_append(h, "Accept: text/plain"); - if (!h) { - curl_slist_free_all(h); - return log_oom(); - } - - u->header = h; - } - - if (!u->easy) { - CURL *curl; - - curl = curl_easy_init(); - if (!curl) { - log_error("Call to curl_easy_init failed."); - return -ENOSR; - } - - /* tell it to POST to the URL */ - easy_setopt(curl, CURLOPT_POST, 1L, - LOG_ERR, return -EXFULL); - - easy_setopt(curl, CURLOPT_ERRORBUFFER, u->error, - LOG_ERR, return -EXFULL); - - /* set where to write to */ - easy_setopt(curl, CURLOPT_WRITEFUNCTION, output_callback, - LOG_ERR, return -EXFULL); - - easy_setopt(curl, CURLOPT_WRITEDATA, data, - LOG_ERR, return -EXFULL); - - /* set where to read from */ - easy_setopt(curl, CURLOPT_READFUNCTION, input_callback, - LOG_ERR, return -EXFULL); - - easy_setopt(curl, CURLOPT_READDATA, data, - LOG_ERR, return -EXFULL); - - /* use our special own mime type and chunked transfer */ - easy_setopt(curl, CURLOPT_HTTPHEADER, u->header, - LOG_ERR, return -EXFULL); - - if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) - /* enable verbose for easier tracing */ - easy_setopt(curl, CURLOPT_VERBOSE, 1L, LOG_WARNING, ); - - easy_setopt(curl, CURLOPT_USERAGENT, - "systemd-journal-upload " PACKAGE_STRING, - LOG_WARNING, ); - - if (arg_key || startswith(u->url, "https://")) { - easy_setopt(curl, CURLOPT_SSLKEY, arg_key ?: PRIV_KEY_FILE, - LOG_ERR, return -EXFULL); - easy_setopt(curl, CURLOPT_SSLCERT, arg_cert ?: CERT_FILE, - LOG_ERR, return -EXFULL); - } - - if (streq_ptr(arg_trust, "all")) - easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0, - LOG_ERR, return -EUCLEAN); - else if (arg_trust || startswith(u->url, "https://")) - easy_setopt(curl, CURLOPT_CAINFO, arg_trust ?: TRUST_FILE, - LOG_ERR, return -EXFULL); - - if (arg_key || arg_trust) - easy_setopt(curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1, - LOG_WARNING, ); - - u->easy = curl; - } else { - /* truncate the potential old error message */ - u->error[0] = '\0'; - - free(u->answer); - u->answer = 0; - } - - /* upload to this place */ - code = curl_easy_setopt(u->easy, CURLOPT_URL, u->url); - if (code) { - log_error("curl_easy_setopt CURLOPT_URL failed: %s", - curl_easy_strerror(code)); - return -EXFULL; - } - - u->uploading = true; - - return 0; -} - -static size_t fd_input_callback(void *buf, size_t size, size_t nmemb, void *userp) { - Uploader *u = userp; - - ssize_t r; - - assert(u); - assert(nmemb <= SSIZE_MAX / size); - - if (u->input < 0) - return 0; - - r = read(u->input, buf, size * nmemb); - log_debug("%s: allowed %zu, read %zd", __func__, size*nmemb, r); - - if (r > 0) - return r; - - u->uploading = false; - if (r == 0) { - log_debug("Reached EOF"); - close_fd_input(u); - return 0; - } else { - log_error_errno(errno, "Aborting transfer after read error on input: %m."); - return CURL_READFUNC_ABORT; - } -} - -static void close_fd_input(Uploader *u) { - assert(u); - - if (u->input >= 0) - close_nointr(u->input); - u->input = -1; - u->timeout = 0; -} - -static int dispatch_fd_input(sd_event_source *event, - int fd, - uint32_t revents, - void *userp) { - Uploader *u = userp; - - assert(u); - assert(fd >= 0); - - if (revents & EPOLLHUP) { - log_debug("Received HUP"); - close_fd_input(u); - return 0; - } - - if (!(revents & EPOLLIN)) { - log_warning("Unexpected poll event %"PRIu32".", revents); - return -EINVAL; - } - - if (u->uploading) { - log_warning("dispatch_fd_input called when uploading, ignoring."); - return 0; - } - - return start_upload(u, fd_input_callback, u); -} - -static int open_file_for_upload(Uploader *u, const char *filename) { - int fd, r = 0; - - if (streq(filename, "-")) - fd = STDIN_FILENO; - else { - fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY); - if (fd < 0) - return log_error_errno(errno, "Failed to open %s: %m", filename); - } - - u->input = fd; - - if (arg_follow) { - r = sd_event_add_io(u->events, &u->input_event, - fd, EPOLLIN, dispatch_fd_input, u); - if (r < 0) { - if (r != -EPERM || arg_follow > 0) - return log_error_errno(r, "Failed to register input event: %m"); - - /* Normal files should just be consumed without polling. */ - r = start_upload(u, fd_input_callback, u); - } - } - - return r; -} - -static int dispatch_sigterm(sd_event_source *event, - const struct signalfd_siginfo *si, - void *userdata) { - Uploader *u = userdata; - - assert(u); - - log_received_signal(LOG_INFO, si); - - close_fd_input(u); - close_journal_input(u); - - sd_event_exit(u->events, 0); - return 0; -} - -static int setup_signals(Uploader *u) { - int r; - - assert(u); - - assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, -1) >= 0); - - r = sd_event_add_signal(u->events, &u->sigterm_event, SIGTERM, dispatch_sigterm, u); - if (r < 0) - return r; - - r = sd_event_add_signal(u->events, &u->sigint_event, SIGINT, dispatch_sigterm, u); - if (r < 0) - return r; - - return 0; -} - -static int setup_uploader(Uploader *u, const char *url, const char *state_file) { - int r; - const char *host, *proto = ""; - - assert(u); - assert(url); - - memzero(u, sizeof(Uploader)); - u->input = -1; - - if (!(host = startswith(url, "http://")) && !(host = startswith(url, "https://"))) { - host = url; - proto = "https://"; - } - - if (strchr(host, ':')) - u->url = strjoin(proto, url, "/upload", NULL); - else { - char *t; - size_t x; - - t = strdupa(url); - x = strlen(t); - while (x > 0 && t[x - 1] == '/') - t[x - 1] = '\0'; - - u->url = strjoin(proto, t, ":" STRINGIFY(DEFAULT_PORT), "/upload", NULL); - } - if (!u->url) - return log_oom(); - - u->state_file = state_file; - - r = sd_event_default(&u->events); - if (r < 0) - return log_error_errno(r, "sd_event_default failed: %m"); - - r = setup_signals(u); - if (r < 0) - return log_error_errno(r, "Failed to set up signals: %m"); - - (void) sd_watchdog_enabled(false, &u->watchdog_usec); - - return load_cursor_state(u); -} - -static void destroy_uploader(Uploader *u) { - assert(u); - - curl_easy_cleanup(u->easy); - curl_slist_free_all(u->header); - free(u->answer); - - free(u->last_cursor); - free(u->current_cursor); - - free(u->url); - - u->input_event = sd_event_source_unref(u->input_event); - - close_fd_input(u); - close_journal_input(u); - - sd_event_source_unref(u->sigterm_event); - sd_event_source_unref(u->sigint_event); - sd_event_unref(u->events); -} - -static int perform_upload(Uploader *u) { - CURLcode code; - long status; - - assert(u); - - u->watchdog_timestamp = now(CLOCK_MONOTONIC); - code = curl_easy_perform(u->easy); - if (code) { - if (u->error[0]) - log_error("Upload to %s failed: %.*s", - u->url, (int) sizeof(u->error), u->error); - else - log_error("Upload to %s failed: %s", - u->url, curl_easy_strerror(code)); - return -EIO; - } - - code = curl_easy_getinfo(u->easy, CURLINFO_RESPONSE_CODE, &status); - if (code) { - log_error("Failed to retrieve response code: %s", - curl_easy_strerror(code)); - return -EUCLEAN; - } - - if (status >= 300) { - log_error("Upload to %s failed with code %ld: %s", - u->url, status, strna(u->answer)); - return -EIO; - } else if (status < 200) { - log_error("Upload to %s finished with unexpected code %ld: %s", - u->url, status, strna(u->answer)); - return -EIO; - } else - log_debug("Upload finished successfully with code %ld: %s", - status, strna(u->answer)); - - free(u->last_cursor); - u->last_cursor = u->current_cursor; - u->current_cursor = NULL; - - return update_cursor_state(u); -} - -static int parse_config(void) { - const ConfigTableItem items[] = { - { "Upload", "URL", config_parse_string, 0, &arg_url }, - { "Upload", "ServerKeyFile", config_parse_path, 0, &arg_key }, - { "Upload", "ServerCertificateFile", config_parse_path, 0, &arg_cert }, - { "Upload", "TrustedCertificateFile", config_parse_path, 0, &arg_trust }, - {}}; - - return config_parse_many(PKGSYSCONFDIR "/journal-upload.conf", - CONF_PATHS_NULSTR("systemd/journal-upload.conf.d"), - "Upload\0", config_item_table_lookup, items, - false, NULL); -} - -static void help(void) { - printf("%s -u URL {FILE|-}...\n\n" - "Upload journal events to a remote server.\n\n" - " -h --help Show this help\n" - " --version Show package version\n" - " -u --url=URL Upload to this address (default port " - STRINGIFY(DEFAULT_PORT) ")\n" - " --key=FILENAME Specify key in PEM format (default:\n" - " \"" PRIV_KEY_FILE "\")\n" - " --cert=FILENAME Specify certificate in PEM format (default:\n" - " \"" CERT_FILE "\")\n" - " --trust=FILENAME|all Specify CA certificate or disable checking (default:\n" - " \"" TRUST_FILE "\")\n" - " --system Use the system journal\n" - " --user Use the user journal for the current user\n" - " -m --merge Use all available journals\n" - " -M --machine=CONTAINER Operate on local container\n" - " -D --directory=PATH Use journal files from directory\n" - " --file=PATH Use this journal file\n" - " --cursor=CURSOR Start at the specified cursor\n" - " --after-cursor=CURSOR Start after the specified cursor\n" - " --follow[=BOOL] Do [not] wait for input\n" - " --save-state[=FILE] Save uploaded cursors (default \n" - " " STATE_FILE ")\n" - " -h --help Show this help and exit\n" - " --version Print version string and exit\n" - , program_invocation_short_name); -} - -static int parse_argv(int argc, char *argv[]) { - enum { - ARG_VERSION = 0x100, - ARG_KEY, - ARG_CERT, - ARG_TRUST, - ARG_USER, - ARG_SYSTEM, - ARG_FILE, - ARG_CURSOR, - ARG_AFTER_CURSOR, - ARG_FOLLOW, - ARG_SAVE_STATE, - }; - - static const struct option options[] = { - { "help", no_argument, NULL, 'h' }, - { "version", no_argument, NULL, ARG_VERSION }, - { "url", required_argument, NULL, 'u' }, - { "key", required_argument, NULL, ARG_KEY }, - { "cert", required_argument, NULL, ARG_CERT }, - { "trust", required_argument, NULL, ARG_TRUST }, - { "system", no_argument, NULL, ARG_SYSTEM }, - { "user", no_argument, NULL, ARG_USER }, - { "merge", no_argument, NULL, 'm' }, - { "machine", required_argument, NULL, 'M' }, - { "directory", required_argument, NULL, 'D' }, - { "file", required_argument, NULL, ARG_FILE }, - { "cursor", required_argument, NULL, ARG_CURSOR }, - { "after-cursor", required_argument, NULL, ARG_AFTER_CURSOR }, - { "follow", optional_argument, NULL, ARG_FOLLOW }, - { "save-state", optional_argument, NULL, ARG_SAVE_STATE }, - {} - }; - - int c, r; - - assert(argc >= 0); - assert(argv); - - opterr = 0; - - while ((c = getopt_long(argc, argv, "hu:mM:D:", options, NULL)) >= 0) - switch(c) { - case 'h': - help(); - return 0 /* done */; - - case ARG_VERSION: - return version(); - - case 'u': - if (arg_url) { - log_error("cannot use more than one --url"); - return -EINVAL; - } - - arg_url = optarg; - break; - - case ARG_KEY: - if (arg_key) { - log_error("cannot use more than one --key"); - return -EINVAL; - } - - arg_key = optarg; - break; - - case ARG_CERT: - if (arg_cert) { - log_error("cannot use more than one --cert"); - return -EINVAL; - } - - arg_cert = optarg; - break; - - case ARG_TRUST: - if (arg_trust) { - log_error("cannot use more than one --trust"); - return -EINVAL; - } - - arg_trust = optarg; - break; - - case ARG_SYSTEM: - arg_journal_type |= SD_JOURNAL_SYSTEM; - break; - - case ARG_USER: - arg_journal_type |= SD_JOURNAL_CURRENT_USER; - break; - - case 'm': - arg_merge = true; - break; - - case 'M': - if (arg_machine) { - log_error("cannot use more than one --machine/-M"); - return -EINVAL; - } - - arg_machine = optarg; - break; - - case 'D': - if (arg_directory) { - log_error("cannot use more than one --directory/-D"); - return -EINVAL; - } - - arg_directory = optarg; - break; - - case ARG_FILE: - r = glob_extend(&arg_file, optarg); - if (r < 0) - return log_error_errno(r, "Failed to add paths: %m"); - break; - - case ARG_CURSOR: - if (arg_cursor) { - log_error("cannot use more than one --cursor/--after-cursor"); - return -EINVAL; - } - - arg_cursor = optarg; - break; - - case ARG_AFTER_CURSOR: - if (arg_cursor) { - log_error("cannot use more than one --cursor/--after-cursor"); - return -EINVAL; - } - - arg_cursor = optarg; - arg_after_cursor = true; - break; - - case ARG_FOLLOW: - if (optarg) { - r = parse_boolean(optarg); - if (r < 0) { - log_error("Failed to parse --follow= parameter."); - return -EINVAL; - } - - arg_follow = !!r; - } else - arg_follow = true; - - break; - - case ARG_SAVE_STATE: - arg_save_state = optarg ?: STATE_FILE; - break; - - case '?': - log_error("Unknown option %s.", argv[optind-1]); - return -EINVAL; - - case ':': - log_error("Missing argument to %s.", argv[optind-1]); - return -EINVAL; - - default: - assert_not_reached("Unhandled option code."); - } - - if (!arg_url) { - log_error("Required --url/-u option missing."); - return -EINVAL; - } - - if (!!arg_key != !!arg_cert) { - log_error("Options --key and --cert must be used together."); - return -EINVAL; - } - - if (optind < argc && (arg_directory || arg_file || arg_machine || arg_journal_type)) { - log_error("Input arguments make no sense with journal input."); - return -EINVAL; - } - - return 1; -} - -static int open_journal(sd_journal **j) { - int r; - - if (arg_directory) - r = sd_journal_open_directory(j, arg_directory, arg_journal_type); - else if (arg_file) - r = sd_journal_open_files(j, (const char**) arg_file, 0); - else if (arg_machine) - r = sd_journal_open_container(j, arg_machine, 0); - else - r = sd_journal_open(j, !arg_merge*SD_JOURNAL_LOCAL_ONLY + arg_journal_type); - if (r < 0) - log_error_errno(r, "Failed to open %s: %m", - arg_directory ? arg_directory : arg_file ? "files" : "journal"); - return r; -} - -int main(int argc, char **argv) { - Uploader u; - int r; - bool use_journal; - - log_show_color(true); - log_parse_environment(); - - r = parse_config(); - if (r < 0) - goto finish; - - r = parse_argv(argc, argv); - if (r <= 0) - goto finish; - - sigbus_install(); - - r = setup_uploader(&u, arg_url, arg_save_state); - if (r < 0) - goto cleanup; - - sd_event_set_watchdog(u.events, true); - - r = check_cursor_updating(&u); - if (r < 0) - goto cleanup; - - log_debug("%s running as pid "PID_FMT, - program_invocation_short_name, getpid()); - - use_journal = optind >= argc; - if (use_journal) { - sd_journal *j; - r = open_journal(&j); - if (r < 0) - goto finish; - r = open_journal_for_upload(&u, j, - arg_cursor ?: u.last_cursor, - arg_cursor ? arg_after_cursor : true, - !!arg_follow); - if (r < 0) - goto finish; - } - - sd_notify(false, - "READY=1\n" - "STATUS=Processing input..."); - - for (;;) { - r = sd_event_get_state(u.events); - if (r < 0) - break; - if (r == SD_EVENT_FINISHED) - break; - - if (use_journal) { - if (!u.journal) - break; - - r = check_journal_input(&u); - } else if (u.input < 0 && !use_journal) { - if (optind >= argc) - break; - - log_debug("Using %s as input.", argv[optind]); - r = open_file_for_upload(&u, argv[optind++]); - } - if (r < 0) - goto cleanup; - - if (u.uploading) { - r = perform_upload(&u); - if (r < 0) - break; - } - - r = sd_event_run(u.events, u.timeout); - if (r < 0) { - log_error_errno(r, "Failed to run event loop: %m"); - break; - } - } - -cleanup: - sd_notify(false, - "STOPPING=1\n" - "STATUS=Shutting down..."); - - destroy_uploader(&u); - -finish: - return r >= 0 ? EXIT_SUCCESS : EXIT_FAILURE; -} diff --git a/src/journal-remote/journal-upload.conf.in b/src/journal-remote/journal-upload.conf.in deleted file mode 100644 index c5670682e8..0000000000 --- a/src/journal-remote/journal-upload.conf.in +++ /dev/null @@ -1,5 +0,0 @@ -[Upload] -# URL= -# ServerKeyFile=@CERTIFICATEROOT@/private/journal-upload.pem -# ServerCertificateFile=@CERTIFICATEROOT@/certs/journal-upload.pem -# TrustedCertificateFile=@CERTIFICATEROOT@/ca/trusted.pem diff --git a/src/journal-remote/journal-upload.h b/src/journal-remote/journal-upload.h deleted file mode 100644 index 5711905f86..0000000000 --- a/src/journal-remote/journal-upload.h +++ /dev/null @@ -1,71 +0,0 @@ -#pragma once - -#include <inttypes.h> - -#include "sd-event.h" -#include "sd-journal.h" -#include "time-util.h" - -typedef enum { - ENTRY_CURSOR = 0, /* Nothing actually written yet. */ - ENTRY_REALTIME, - ENTRY_MONOTONIC, - ENTRY_BOOT_ID, - ENTRY_NEW_FIELD, /* In between fields. */ - ENTRY_TEXT_FIELD, /* In the middle of a text field. */ - ENTRY_BINARY_FIELD_START, /* Writing the name of a binary field. */ - ENTRY_BINARY_FIELD_SIZE, /* Writing the size of a binary field. */ - ENTRY_BINARY_FIELD, /* In the middle of a binary field. */ - ENTRY_OUTRO, /* Writing '\n' */ - ENTRY_DONE, /* Need to move to a new field. */ -} entry_state; - -typedef struct Uploader { - sd_event *events; - sd_event_source *sigint_event, *sigterm_event; - - char *url; - CURL *easy; - bool uploading; - char error[CURL_ERROR_SIZE]; - struct curl_slist *header; - char *answer; - - sd_event_source *input_event; - uint64_t timeout; - - /* fd stuff */ - int input; - - /* journal stuff */ - sd_journal* journal; - - entry_state entry_state; - const void *field_data; - size_t field_pos, field_length; - - /* general metrics */ - const char *state_file; - - size_t entries_sent; - char *last_cursor, *current_cursor; - usec_t watchdog_timestamp; - usec_t watchdog_usec; -} Uploader; - -#define JOURNAL_UPLOAD_POLL_TIMEOUT (10 * USEC_PER_SEC) - -int start_upload(Uploader *u, - size_t (*input_callback)(void *ptr, - size_t size, - size_t nmemb, - void *userdata), - void *data); - -int open_journal_for_upload(Uploader *u, - sd_journal *j, - const char *cursor, - bool after_cursor, - bool follow); -void close_journal_input(Uploader *u); -int check_journal_input(Uploader *u); diff --git a/src/journal-remote/log-generator.py b/src/journal-remote/log-generator.py deleted file mode 100755 index fd6964e758..0000000000 --- a/src/journal-remote/log-generator.py +++ /dev/null @@ -1,76 +0,0 @@ -#!/usr/bin/python -from __future__ import print_function -import sys -import argparse - -PARSER = argparse.ArgumentParser() -PARSER.add_argument('n', type=int) -PARSER.add_argument('--dots', action='store_true') -PARSER.add_argument('--data-size', type=int, default=4000) -PARSER.add_argument('--data-type', choices={'random', 'simple'}) -OPTIONS = PARSER.parse_args() - -template = """\ -__CURSOR=s=6863c726210b4560b7048889d8ada5c5;i=3e931;b=f446871715504074bf7049ef0718fa93;m={m:x};t=4fd05c -__REALTIME_TIMESTAMP={realtime_ts} -__MONOTONIC_TIMESTAMP={monotonic_ts} -_BOOT_ID=f446871715504074bf7049ef0718fa93 -_TRANSPORT=syslog -PRIORITY={priority} -SYSLOG_FACILITY={facility} -SYSLOG_IDENTIFIER=/USR/SBIN/CRON -MESSAGE={message} -_UID=0 -_GID=0 -_MACHINE_ID=69121ca41d12c1b69a7960174c27b618 -_HOSTNAME=hostname -SYSLOG_PID=25721 -_PID=25721 -_SOURCE_REALTIME_TIMESTAMP={source_realtime_ts} -DATA={data} -""" - -m = 0x198603b12d7 -realtime_ts = 1404101101501873 -monotonic_ts = 1753961140951 -source_realtime_ts = 1404101101483516 -priority = 3 -facility = 6 - -src = open('/dev/urandom', 'rb') - -bytes = 0 -counter = 0 - -for i in range(OPTIONS.n): - message = repr(src.read(2000)) - if OPTIONS.data_type == 'random': - data = repr(src.read(OPTIONS.data_size)) - else: - # keep the pattern non-repeating so we get a different blob every time - data = '{:0{}}'.format(counter, OPTIONS.data_size) - counter += 1 - - entry = template.format(m=m, - realtime_ts=realtime_ts, - monotonic_ts=monotonic_ts, - source_realtime_ts=source_realtime_ts, - priority=priority, - facility=facility, - message=message, - data=data) - m += 1 - realtime_ts += 1 - monotonic_ts += 1 - source_realtime_ts += 1 - - bytes += len(entry) - - print(entry) - - if OPTIONS.dots: - print('.', file=sys.stderr, end='', flush=True) - -if OPTIONS.dots: - print(file=sys.stderr) -print('Wrote {} bytes'.format(bytes), file=sys.stderr) diff --git a/src/journal-remote/microhttpd-util.c b/src/journal-remote/microhttpd-util.c deleted file mode 100644 index c65c43186f..0000000000 --- a/src/journal-remote/microhttpd-util.c +++ /dev/null @@ -1,327 +0,0 @@ -/*** - This file is part of systemd. - - Copyright 2012 Lennart Poettering - Copyright 2012 Zbigniew Jędrzejewski-Szmek - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <stddef.h> -#include <stdio.h> -#include <string.h> - -#ifdef HAVE_GNUTLS -#include <gnutls/gnutls.h> -#include <gnutls/x509.h> -#endif - -#include "alloc-util.h" -#include "log.h" -#include "macro.h" -#include "microhttpd-util.h" -#include "string-util.h" -#include "strv.h" -#include "util.h" - -void microhttpd_logger(void *arg, const char *fmt, va_list ap) { - char *f; - - f = strjoina("microhttpd: ", fmt); - - DISABLE_WARNING_FORMAT_NONLITERAL; - log_internalv(LOG_INFO, 0, NULL, 0, NULL, f, ap); - REENABLE_WARNING; -} - - -static int mhd_respond_internal(struct MHD_Connection *connection, - enum MHD_RequestTerminationCode code, - char *buffer, - size_t size, - enum MHD_ResponseMemoryMode mode) { - struct MHD_Response *response; - int r; - - assert(connection); - - response = MHD_create_response_from_buffer(size, buffer, mode); - if (!response) - return MHD_NO; - - log_debug("Queing response %u: %s", code, buffer); - MHD_add_response_header(response, "Content-Type", "text/plain"); - r = MHD_queue_response(connection, code, response); - MHD_destroy_response(response); - - return r; -} - -int mhd_respond(struct MHD_Connection *connection, - enum MHD_RequestTerminationCode code, - const char *message) { - - return mhd_respond_internal(connection, code, - (char*) message, strlen(message), - MHD_RESPMEM_PERSISTENT); -} - -int mhd_respond_oom(struct MHD_Connection *connection) { - return mhd_respond(connection, MHD_HTTP_SERVICE_UNAVAILABLE, "Out of memory.\n"); -} - -int mhd_respondf(struct MHD_Connection *connection, - enum MHD_RequestTerminationCode code, - const char *format, ...) { - - char *m; - int r; - va_list ap; - - assert(connection); - assert(format); - - va_start(ap, format); - r = vasprintf(&m, format, ap); - va_end(ap); - - if (r < 0) - return respond_oom(connection); - - return mhd_respond_internal(connection, code, m, r, MHD_RESPMEM_MUST_FREE); -} - -#ifdef HAVE_GNUTLS - -static struct { - const char *const names[4]; - int level; - bool enabled; -} gnutls_log_map[] = { - { {"0"}, LOG_DEBUG }, - { {"1", "audit"}, LOG_WARNING, true}, /* gnutls session audit */ - { {"2", "assert"}, LOG_DEBUG }, /* gnutls assert log */ - { {"3", "hsk", "ext"}, LOG_DEBUG }, /* gnutls handshake log */ - { {"4", "rec"}, LOG_DEBUG }, /* gnutls record log */ - { {"5", "dtls"}, LOG_DEBUG }, /* gnutls DTLS log */ - { {"6", "buf"}, LOG_DEBUG }, - { {"7", "write", "read"}, LOG_DEBUG }, - { {"8"}, LOG_DEBUG }, - { {"9", "enc", "int"}, LOG_DEBUG }, -}; - -static void log_func_gnutls(int level, const char *message) { - assert_se(message); - - if (0 <= level && level < (int) ELEMENTSOF(gnutls_log_map)) { - if (gnutls_log_map[level].enabled) - log_internal(gnutls_log_map[level].level, 0, NULL, 0, NULL, "gnutls %d/%s: %s", level, gnutls_log_map[level].names[1], message); - } else { - log_debug("Received GNUTLS message with unknown level %d.", level); - log_internal(LOG_DEBUG, 0, NULL, 0, NULL, "gnutls: %s", message); - } -} - -static void log_reset_gnutls_level(void) { - int i; - - for (i = ELEMENTSOF(gnutls_log_map) - 1; i >= 0; i--) - if (gnutls_log_map[i].enabled) { - log_debug("Setting gnutls log level to %d", i); - gnutls_global_set_log_level(i); - break; - } -} - -static int log_enable_gnutls_category(const char *cat) { - unsigned i; - - if (streq(cat, "all")) { - for (i = 0; i < ELEMENTSOF(gnutls_log_map); i++) - gnutls_log_map[i].enabled = true; - log_reset_gnutls_level(); - return 0; - } else - for (i = 0; i < ELEMENTSOF(gnutls_log_map); i++) - if (strv_contains((char**)gnutls_log_map[i].names, cat)) { - gnutls_log_map[i].enabled = true; - log_reset_gnutls_level(); - return 0; - } - log_error("No such log category: %s", cat); - return -EINVAL; -} - -int setup_gnutls_logger(char **categories) { - char **cat; - int r; - - gnutls_global_set_log_function(log_func_gnutls); - - if (categories) { - STRV_FOREACH(cat, categories) { - r = log_enable_gnutls_category(*cat); - if (r < 0) - return r; - } - } else - log_reset_gnutls_level(); - - return 0; -} - -static int verify_cert_authorized(gnutls_session_t session) { - unsigned status; - gnutls_certificate_type_t type; - gnutls_datum_t out; - int r; - - r = gnutls_certificate_verify_peers2(session, &status); - if (r < 0) - return log_error_errno(r, "gnutls_certificate_verify_peers2 failed: %m"); - - type = gnutls_certificate_type_get(session); - r = gnutls_certificate_verification_status_print(status, type, &out, 0); - if (r < 0) - return log_error_errno(r, "gnutls_certificate_verification_status_print failed: %m"); - - log_debug("Certificate status: %s", out.data); - gnutls_free(out.data); - - return status == 0 ? 0 : -EPERM; -} - -static int get_client_cert(gnutls_session_t session, gnutls_x509_crt_t *client_cert) { - const gnutls_datum_t *pcert; - unsigned listsize; - gnutls_x509_crt_t cert; - int r; - - assert(session); - assert(client_cert); - - pcert = gnutls_certificate_get_peers(session, &listsize); - if (!pcert || !listsize) { - log_error("Failed to retrieve certificate chain"); - return -EINVAL; - } - - r = gnutls_x509_crt_init(&cert); - if (r < 0) { - log_error("Failed to initialize client certificate"); - return r; - } - - /* Note that by passing values between 0 and listsize here, you - can get access to the CA's certs */ - r = gnutls_x509_crt_import(cert, &pcert[0], GNUTLS_X509_FMT_DER); - if (r < 0) { - log_error("Failed to import client certificate"); - gnutls_x509_crt_deinit(cert); - return r; - } - - *client_cert = cert; - return 0; -} - -static int get_auth_dn(gnutls_x509_crt_t client_cert, char **buf) { - size_t len = 0; - int r; - - assert(buf); - assert(*buf == NULL); - - r = gnutls_x509_crt_get_dn(client_cert, NULL, &len); - if (r != GNUTLS_E_SHORT_MEMORY_BUFFER) { - log_error("gnutls_x509_crt_get_dn failed"); - return r; - } - - *buf = malloc(len); - if (!*buf) - return log_oom(); - - gnutls_x509_crt_get_dn(client_cert, *buf, &len); - return 0; -} - -static inline void gnutls_x509_crt_deinitp(gnutls_x509_crt_t *p) { - gnutls_x509_crt_deinit(*p); -} - -int check_permissions(struct MHD_Connection *connection, int *code, char **hostname) { - const union MHD_ConnectionInfo *ci; - gnutls_session_t session; - _cleanup_(gnutls_x509_crt_deinitp) gnutls_x509_crt_t client_cert = NULL; - _cleanup_free_ char *buf = NULL; - int r; - - assert(connection); - assert(code); - - *code = 0; - - ci = MHD_get_connection_info(connection, - MHD_CONNECTION_INFO_GNUTLS_SESSION); - if (!ci) { - log_error("MHD_get_connection_info failed: session is unencrypted"); - *code = mhd_respond(connection, MHD_HTTP_FORBIDDEN, - "Encrypted connection is required"); - return -EPERM; - } - session = ci->tls_session; - assert(session); - - r = get_client_cert(session, &client_cert); - if (r < 0) { - *code = mhd_respond(connection, MHD_HTTP_UNAUTHORIZED, - "Authorization through certificate is required"); - return -EPERM; - } - - r = get_auth_dn(client_cert, &buf); - if (r < 0) { - *code = mhd_respond(connection, MHD_HTTP_UNAUTHORIZED, - "Failed to determine distinguished name from certificate"); - return -EPERM; - } - - log_debug("Connection from %s", buf); - - if (hostname) { - *hostname = buf; - buf = NULL; - } - - r = verify_cert_authorized(session); - if (r < 0) { - log_warning("Client is not authorized"); - *code = mhd_respond(connection, MHD_HTTP_UNAUTHORIZED, - "Client certificate not signed by recognized authority"); - } - return r; -} - -#else -int check_permissions(struct MHD_Connection *connection, int *code, char **hostname) { - return -EPERM; -} - -int setup_gnutls_logger(char **categories) { - if (categories) - log_notice("Ignoring specified gnutls logging categories — gnutls not available."); - return 0; -} -#endif diff --git a/src/journal-remote/microhttpd-util.h b/src/journal-remote/microhttpd-util.h deleted file mode 100644 index ea160f212b..0000000000 --- a/src/journal-remote/microhttpd-util.h +++ /dev/null @@ -1,60 +0,0 @@ -#pragma once - -/*** - This file is part of systemd. - - Copyright 2012 Zbigniew Jędrzejewski-Szmek - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU Lesser General Public License as published by - the Free Software Foundation; either version 2.1 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -#include <microhttpd.h> -#include <stdarg.h> - -#include "macro.h" - -/* Compatiblity with libmicrohttpd < 0.9.38 */ -#ifndef MHD_HTTP_NOT_ACCEPTABLE -#define MHD_HTTP_NOT_ACCEPTABLE MHD_HTTP_METHOD_NOT_ACCEPTABLE -#endif - -#if MHD_VERSION < 0x00094203 -#define MHD_create_response_from_fd_at_offset64 MHD_create_response_from_fd_at_offset -#endif - -void microhttpd_logger(void *arg, const char *fmt, va_list ap) _printf_(2, 0); - -/* respond_oom() must be usable with return, hence this form. */ -#define respond_oom(connection) log_oom(), mhd_respond_oom(connection) - -int mhd_respondf(struct MHD_Connection *connection, - unsigned code, - const char *format, ...) _printf_(3,4); - -int mhd_respond(struct MHD_Connection *connection, - unsigned code, - const char *message); - -int mhd_respond_oom(struct MHD_Connection *connection); - -int check_permissions(struct MHD_Connection *connection, int *code, char **hostname); - -/* Set gnutls internal logging function to a callback which uses our - * own logging framework. - * - * gnutls categories are additionally filtered by our internal log - * level, so it should be set fairly high to capture all potentially - * interesting events without overwhelming detail. - */ -int setup_gnutls_logger(char **categories); |