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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-03-25 22:30:24 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-07-15 22:23:47 -0400
commit1e4e7b71e1938daa9b2b9718a9f54c69017a9ef5 (patch)
treed133142bfb49ad0f6c5e0bd50313867672e9a726 /src/journal
parent5937a4d4f263a5a3254e081c6dbb1ea2f860d471 (diff)
Move network-related journal programs to src/journal-remote/
Directory src/journal has become one of the largest directories, and since systemd-journal-gatewayd, systemd-journal-remote, and forthcoming systemd-journal-upload are all closely related, create a separate directory for them.
Diffstat (limited to 'src/journal')
-rw-r--r--src/journal/browse.html544
-rw-r--r--src/journal/journal-gatewayd.c1054
-rw-r--r--src/journal/journal-remote-parse.c439
-rw-r--r--src/journal/journal-remote-parse.h61
-rw-r--r--src/journal/journal-remote-write.c124
-rw-r--r--src/journal/journal-remote-write.h51
-rw-r--r--src/journal/journal-remote.c1283
-rw-r--r--src/journal/microhttpd-util.c298
-rw-r--r--src/journal/microhttpd-util.h55
9 files changed, 0 insertions, 3909 deletions
diff --git a/src/journal/browse.html b/src/journal/browse.html
deleted file mode 100644
index 3594f70c87..0000000000
--- a/src/journal/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>
- &nbsp;&nbsp;&nbsp;&nbsp;
- <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">&#8676;</button>
- <button id="previous" type="button" onclick="entriesLoadPrevious();" title="Previous Page"/>&#8592;</button>
- <button id="next" type="button" onclick="entriesLoadNext();" title="Next Page"/>&#8594;</button>
- <button id="tail" type="button" onclick="entriesLoadTail();" title="Last Page"/>&#8677;</button>
- &nbsp;&nbsp;&nbsp;&nbsp;
- <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 &nbsp;&nbsp;&nbsp;&nbsp;
- <span class="key">&#8592;, k, BACKSPACE</span>: Previous Page &nbsp;&nbsp;&nbsp;&nbsp;
- <span class="key">&#8594;, j, SPACE</span>: Next Page &nbsp;&nbsp;&nbsp;&nbsp;
- <span class="key">G</span>: Last Page &nbsp;&nbsp;&nbsp;&nbsp;
- <span class="key">+</span>: More entries &nbsp;&nbsp;&nbsp;&nbsp;
- <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, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
- }
-
- 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/journal-gatewayd.c b/src/journal/journal-gatewayd.c
deleted file mode 100644
index db07700111..0000000000
--- a/src/journal/journal-gatewayd.c
+++ /dev/null
@@ -1,1054 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- 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 <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <getopt.h>
-
-#include <microhttpd.h>
-
-#ifdef HAVE_GNUTLS
-#include <gnutls/gnutls.h>
-#endif
-
-#include "log.h"
-#include "util.h"
-#include "sd-journal.h"
-#include "sd-daemon.h"
-#include "sd-bus.h"
-#include "bus-util.h"
-#include "logs-show.h"
-#include "microhttpd-util.h"
-#include "build.h"
-#include "fileio.h"
-
-static char *key_pem = NULL;
-static char *cert_pem = NULL;
-static char *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;
-
- if (m->journal)
- sd_journal_close(m->journal);
-
- if (m->tmp)
- 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 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("Failed to advance journal pointer: %s", strerror(-r));
- return MHD_CONTENT_READER_END_WITH_ERROR;
- } else if (r == 0) {
-
- if (m->follow) {
- r = sd_journal_wait(m->journal, (uint64_t) -1);
- if (r < 0) {
- log_error("Couldn't wait for journal event: %s", strerror(-r));
- return MHD_CONTENT_READER_END_WITH_ERROR;
- }
-
- 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("Failed to test cursor: %s", strerror(-r));
- 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;
-
- if (m->tmp)
- rewind(m->tmp);
- else {
- m->tmp = tmpfile();
- if (!m->tmp) {
- log_error("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("Failed to serialize item: %s", strerror(-r));
- return MHD_CONTENT_READER_END_WITH_ERROR;
- }
-
- sz = ftello(m->tmp);
- if (sz == (off_t) -1) {
- log_error("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("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_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)) {
- free(m->cursor);
- m->cursor = NULL;
- }
-
- 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("Failed to get boot ID: %s", strerror(-r));
- 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("Failed to advance field index: %s", strerror(-r));
- 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;
-
- if (m->tmp)
- rewind(m->tmp);
- else {
- m->tmp = tmpfile();
- if (!m->tmp) {
- log_error("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("Failed to serialize item: %s", strerror(-r));
- return MHD_CONTENT_READER_END_WITH_ERROR;
- }
-
- sz = ftello(m->tmp);
- if (sz == (off_t) -1) {
- log_error("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("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_offset(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_bus_unref_ 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;
- 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)
- 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, false),
- os_name ? os_name : "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_METHOD_NOT_ACCEPTABLE,
- "Unsupported method.\n");
-
-
- if (!*connection_cls) {
- if (!request_meta(connection_cls))
- return respond_oom(connection);
- return MHD_YES;
- }
-
- if (trust_pem) {
- r = check_permissions(connection, &code);
- 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 int 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);
-
- return 0;
-}
-
-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':
- return help();
-
- case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(SYSTEMD_FEATURES);
- return 0;
-
- case ARG_KEY:
- if (key_pem) {
- log_error("Key file specified twice");
- return -EINVAL;
- }
- r = read_full_file(optarg, &key_pem, NULL);
- if (r < 0) {
- log_error("Failed to read key file: %s", strerror(-r));
- return r;
- }
- assert(key_pem);
- break;
-
- case ARG_CERT:
- if (cert_pem) {
- log_error("Certificate file specified twice");
- return -EINVAL;
- }
- r = read_full_file(optarg, &cert_pem, NULL);
- if (r < 0) {
- log_error("Failed to read certificate file: %s", strerror(-r));
- return r;
- }
- assert(cert_pem);
- break;
-
- case ARG_TRUST:
-#ifdef HAVE_GNUTLS
- if (trust_pem) {
- log_error("CA certificate file specified twice");
- return -EINVAL;
- }
- r = read_full_file(optarg, &trust_pem, NULL);
- if (r < 0) {
- log_error("Failed to read CA certificate file: %s", strerror(-r));
- return r;
- }
- assert(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 (!!key_pem != !!cert_pem) {
- log_error("Certificate and key files must be specified together");
- return -EINVAL;
- }
-
- if (trust_pem && !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;
-
-#ifdef HAVE_GNUTLS
- gnutls_global_set_log_function(log_func_gnutls);
- log_reset_gnutls_level();
-#endif
-
- n = sd_listen_fds(1);
- if (n < 0) {
- log_error("Failed to determine passed sockets: %s", strerror(-n));
- 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;
- int flags = MHD_USE_THREAD_PER_CONNECTION|MHD_USE_POLL|MHD_USE_DEBUG;
-
- if (n > 0)
- opts[opts_pos++] = (struct MHD_OptionItem)
- {MHD_OPTION_LISTEN_SOCKET, SD_LISTEN_FDS_START};
- if (key_pem) {
- assert(cert_pem);
- opts[opts_pos++] = (struct MHD_OptionItem)
- {MHD_OPTION_HTTPS_MEM_KEY, 0, key_pem};
- opts[opts_pos++] = (struct MHD_OptionItem)
- {MHD_OPTION_HTTPS_MEM_CERT, 0, cert_pem};
- flags |= MHD_USE_SSL;
- }
- if (trust_pem) {
- assert(flags & MHD_USE_SSL);
- opts[opts_pos++] = (struct MHD_OptionItem)
- {MHD_OPTION_HTTPS_MEM_TRUST, 0, 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/journal-remote-parse.c b/src/journal/journal-remote-parse.c
deleted file mode 100644
index dbdf02aa3c..0000000000
--- a/src/journal/journal-remote-parse.c
+++ /dev/null
@@ -1,439 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- 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-remote-parse.h"
-#include "journald-native.h"
-
-#define LINE_CHUNK 1024u
-
-void source_free(RemoteSource *source) {
- if (!source)
- return;
-
- if (source->fd >= 0) {
- log_debug("Closing fd:%d (%s)", source->fd, source->name);
- close(source->fd);
- }
- free(source->name);
- free(source->buf);
- iovw_free_contents(&source->iovw);
- free(source);
-}
-
-static int get_line(RemoteSource *source, char **line, size_t *size) {
- ssize_t n, remain;
- char *c = NULL;
- char *newbuf = NULL;
- size_t newsize = 0;
-
- assert(source);
- assert(source->state == STATE_LINE);
- assert(source->filled <= source->size);
- assert(source->buf == NULL || source->size > 0);
-
- if (source->buf)
- c = memchr(source->buf, '\n', source->filled);
-
- if (c != NULL)
- goto docopy;
-
- resize:
- if (source->fd < 0)
- /* we have to wait for some data to come to us */
- return -EWOULDBLOCK;
-
- if (source->size - source->filled < LINE_CHUNK) {
- // XXX: add check for maximum line length
-
- if (!GREEDY_REALLOC(source->buf, source->size,
- source->filled + LINE_CHUNK))
- return log_oom();
- }
- assert(source->size - source->filled >= LINE_CHUNK);
-
- n = read(source->fd, source->buf + source->filled,
- source->size - source->filled);
- if (n < 0) {
- if (errno != EAGAIN && errno != EWOULDBLOCK)
- log_error("read(%d, ..., %zd): %m", source->fd,
- source->size - source->filled);
- return -errno;
- } else if (n == 0)
- return 0;
-
- c = memchr(source->buf + source->filled, '\n', n);
- source->filled += n;
-
- if (c == NULL)
- goto resize;
-
- docopy:
- *line = source->buf;
- *size = c + 1 - source->buf;
-
- /* Check if something remains */
- remain = source->buf + source->filled - c - 1;
- assert(remain >= 0);
- if (remain) {
- newsize = MAX(remain, LINE_CHUNK);
- newbuf = malloc(newsize);
- if (!newbuf)
- return log_oom();
- memcpy(newbuf, c + 1, remain);
- }
- source->buf = newbuf;
- source->size = newsize;
- source->filled = remain;
-
- return 1;
-}
-
-int push_data(RemoteSource *source, const char *data, size_t size) {
- assert(source);
- assert(source->state != STATE_EOF);
-
- if (!GREEDY_REALLOC(source->buf, source->size,
- source->filled + size))
- return log_oom();
-
- memcpy(source->buf + source->filled, data, size);
- source->filled += size;
-
- return 0;
-}
-
-static int fill_fixed_size(RemoteSource *source, void **data, size_t size) {
- int n;
- char *newbuf = NULL;
- size_t newsize = 0, remain;
-
- assert(source);
- assert(source->state == STATE_DATA_START ||
- source->state == STATE_DATA ||
- source->state == STATE_DATA_FINISH);
- assert(size <= DATA_SIZE_MAX);
- assert(source->filled <= source->size);
- assert(source->buf != NULL || source->size == 0);
- assert(source->buf == NULL || source->size > 0);
- assert(data);
-
- while(source->filled < size) {
- if (source->fd < 0)
- /* we have to wait for some data to come to us */
- return -EWOULDBLOCK;
-
- if (!GREEDY_REALLOC(source->buf, source->size, size))
- return log_oom();
-
- n = read(source->fd, source->buf + source->filled,
- source->size - source->filled);
- if (n < 0) {
- if (errno != EAGAIN && errno != EWOULDBLOCK)
- log_error("read(%d, ..., %zd): %m", source->fd,
- source->size - source->filled);
- return -errno;
- } else if (n == 0)
- return 0;
-
- source->filled += n;
- }
-
- *data = source->buf;
-
- /* Check if something remains */
- assert(size <= source->filled);
- remain = source->filled - size;
- if (remain) {
- newsize = MAX(remain, LINE_CHUNK);
- newbuf = malloc(newsize);
- if (!newbuf)
- return log_oom();
- memcpy(newbuf, source->buf + size, remain);
- }
- source->buf = newbuf;
- source->size = newsize;
- source->filled = remain;
-
- return 1;
-}
-
-static int get_data_size(RemoteSource *source) {
- int r;
- _cleanup_free_ void *data = NULL;
-
- 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 > %u == DATA_SIZE_MAX",
- 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;
- _cleanup_free_ char *data = NULL;
-
- 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;
-}
-
-int process_data(RemoteSource *source) {
- int r;
-
- switch(source->state) {
- case STATE_LINE: {
- char *line, *sep;
- size_t n;
-
- 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_debug("Received empty line, event is ready");
- free(line);
- return 1;
- }
-
- r = process_dunder(source, line, n);
- if (r != 0) {
- free(line);
- return r < 0 ? r : 0;
- }
-
- /* MESSAGE=xxx\n
- or
- COREDUMP\n
- LLLLLLLL0011223344...\n
- */
- sep = memchr(line, '=', n);
- if (sep)
- /* chomp newline */
- n--;
- else
- /* replace \n with = */
- line[n-1] = '=';
- log_debug("Received: %.*s", (int) n, line);
-
- r = iovw_put(&source->iovw, line, n);
- if (r < 0) {
- log_error("Failed to put line in iovect");
- free(line);
- return r;
- }
-
- if (!sep)
- source->state = STATE_DATA_START;
- 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;
-
- 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);
-
- r = iovw_put(&source->iovw, data, source->data_size);
- if (r < 0) {
- log_error("failed to put binary buffer in iovect");
- 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, Writer *writer, bool compress, bool seal) {
- int r;
-
- assert(source);
- assert(writer);
-
- r = process_data(source);
- if (r <= 0)
- return r;
-
- /* We have a full event */
- log_info("Received a 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(writer, &source->iovw, &source->ts, compress, seal);
- if (r < 0)
- log_error("Failed to write entry of %zu bytes: %s",
- iovw_size(&source->iovw), strerror(-r));
- else
- r = 1;
-
- freeing:
- iovw_free_contents(&source->iovw);
- return r;
-}
diff --git a/src/journal/journal-remote-parse.h b/src/journal/journal-remote-parse.h
deleted file mode 100644
index c1506d118d..0000000000
--- a/src/journal/journal-remote-parse.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- 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/>.
-***/
-
-#pragma once
-
-#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;
-
- char *buf;
- size_t size;
- size_t filled;
- size_t data_size;
-
- struct iovec_wrapper iovw;
-
- source_state state;
- dual_timestamp ts;
-
- sd_event_source *event;
-} RemoteSource;
-
-static inline int source_non_empty(RemoteSource *source) {
- assert(source);
-
- return source->filled > 0;
-}
-
-void source_free(RemoteSource *source);
-int process_data(RemoteSource *source);
-int push_data(RemoteSource *source, const char *data, size_t size);
-int process_source(RemoteSource *source, Writer *writer, bool compress, bool seal);
diff --git a/src/journal/journal-remote-write.c b/src/journal/journal-remote-write.c
deleted file mode 100644
index 4d142bdc97..0000000000
--- a/src/journal/journal-remote-write.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- 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 "journal-remote-write.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) {
- for (size_t j = 0; j < iovw->count; j++)
- free(iovw->iovec[j].iov_base);
- free(iovw->iovec);
- iovw->iovec = NULL;
- 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;
-}
-
-/**********************************************************************
- **********************************************************************
- **********************************************************************/
-
-static int do_rotate(JournalFile **f, bool compress, bool seal) {
- int r = journal_file_rotate(f, compress, seal);
- if (r < 0) {
- if (*f)
- log_error("Failed to rotate %s: %s", (*f)->path,
- strerror(-r));
- else
- log_error("Failed to create rotated journal: %s",
- strerror(-r));
- }
-
- return r;
-}
-
-int writer_init(Writer *s) {
- assert(s);
-
- s->journal = NULL;
-
- memset(&s->metrics, 0xFF, sizeof(s->metrics));
-
- s->mmap = mmap_cache_new();
- if (!s->mmap)
- return log_oom();
-
- s->seqnum = 0;
-
- return 0;
-}
-
-int writer_close(Writer *s) {
- if (s->journal)
- journal_file_close(s->journal);
- if (s->mmap)
- mmap_cache_unref(s->mmap);
- return 0;
-}
-
-int writer_write(Writer *s,
- struct iovec_wrapper *iovw,
- dual_timestamp *ts,
- bool compress,
- bool seal) {
- int r;
-
- assert(s);
- assert(iovw);
- assert(iovw->count > 0);
-
- if (journal_file_rotate_suggested(s->journal, 0)) {
- log_info("%s: Journal header limits reached or header out-of-date, rotating",
- s->journal->path);
- r = do_rotate(&s->journal, compress, seal);
- if (r < 0)
- return r;
- }
-
- r = journal_file_append_entry(s->journal, ts, iovw->iovec, iovw->count,
- &s->seqnum, NULL, NULL);
- if (r >= 0)
- return 1;
-
- log_info("%s: Write failed, rotating", s->journal->path);
- r = do_rotate(&s->journal, compress, seal);
- if (r < 0)
- return r;
-
- log_debug("Retrying write.");
- r = journal_file_append_entry(s->journal, ts, iovw->iovec, iovw->count,
- &s->seqnum, NULL, NULL);
- return r < 0 ? r : 1;
-}
diff --git a/src/journal/journal-remote-write.h b/src/journal/journal-remote-write.h
deleted file mode 100644
index 8798216415..0000000000
--- a/src/journal/journal-remote-write.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- 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/>.
-***/
-
-#pragma once
-
-#include <stdlib.h>
-
-#include "journal-file.h"
-
-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);
-
-typedef struct Writer {
- JournalFile *journal;
- JournalMetrics metrics;
- MMapCache *mmap;
- uint64_t seqnum;
-} Writer;
-
-int writer_init(Writer *s);
-int writer_close(Writer *s);
-int writer_write(Writer *s,
- struct iovec_wrapper *iovw,
- dual_timestamp *ts,
- bool compress,
- bool seal);
diff --git a/src/journal/journal-remote.c b/src/journal/journal-remote.c
deleted file mode 100644
index 9db4692a28..0000000000
--- a/src/journal/journal-remote.c
+++ /dev/null
@@ -1,1283 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- 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 <inttypes.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/prctl.h>
-#include <sys/socket.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <getopt.h>
-
-#include "sd-daemon.h"
-#include "sd-event.h"
-#include "journal-file.h"
-#include "journald-native.h"
-#include "socket-util.h"
-#include "mkdir.h"
-#include "build.h"
-#include "macro.h"
-#include "strv.h"
-#include "fileio.h"
-#include "microhttpd-util.h"
-
-#ifdef HAVE_GNUTLS
-#include <gnutls/gnutls.h>
-#endif
-
-#include "journal-remote-parse.h"
-#include "journal-remote-write.h"
-
-#define REMOTE_JOURNAL_PATH "/var/log/journal/" SD_ID128_FORMAT_STR "/remote-%s.journal"
-
-static char* arg_output = NULL;
-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 char *key_pem = NULL;
-static char *cert_pem = NULL;
-static char *trust_pem = NULL;
-
-/**********************************************************************
- **********************************************************************
- **********************************************************************/
-
-static int spawn_child(const char* child, char** argv) {
- int fd[2];
- pid_t parent_pid, child_pid;
- int r;
-
- if (pipe(fd) < 0) {
- log_error("Failed to create pager pipe: %m");
- return -errno;
- }
-
- parent_pid = getpid();
-
- child_pid = fork();
- if (child_pid < 0) {
- r = -errno;
- log_error("Failed to fork: %m");
- safe_close_pair(fd);
- return r;
- }
-
- /* In the child */
- if (child_pid == 0) {
- r = dup2(fd[1], STDOUT_FILENO);
- if (r < 0) {
- log_error("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("Failed to exec child %s: %m", child);
- _exit(EXIT_FAILURE);
- }
-
- r = close(fd[1]);
- if (r < 0)
- log_warning("Failed to close write end of pipe: %m");
-
- return fd[0];
-}
-
-static int spawn_curl(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("Failed to spawn curl: %m");
- return r;
-}
-
-static int spawn_getter(char *getter, char *url) {
- int r;
- _cleanup_strv_free_ char **words = NULL;
-
- assert(getter);
- words = strv_split_quoted(getter);
- if (!words)
- return log_oom();
-
- r = spawn_child(words[0], words);
- if (r < 0)
- log_error("Failed to spawn getter %s: %m", getter);
-
- return r;
-}
-
-static int open_output(Writer *s, const char* url) {
- _cleanup_free_ char *name, *output = NULL;
- char *c;
- int r;
-
- assert(url);
- name = strdup(url);
- if (!name)
- return log_oom();
-
- for(c = name; *c; c++) {
- if (*c == '/' || *c == ':' || *c == ' ')
- *c = '~';
- else if (*c == '?') {
- *c = '\0';
- break;
- }
- }
-
- if (!arg_output) {
- sd_id128_t machine;
- r = sd_id128_get_machine(&machine);
- if (r < 0) {
- log_error("failed to determine machine ID128: %s", strerror(-r));
- return r;
- }
-
- r = asprintf(&output, REMOTE_JOURNAL_PATH,
- SD_ID128_FORMAT_VAL(machine), name);
- if (r < 0)
- return log_oom();
- } else {
- r = is_dir(arg_output, true);
- if (r > 0) {
- r = asprintf(&output,
- "%s/remote-%s.journal", arg_output, name);
- if (r < 0)
- return log_oom();
- } else {
- output = strdup(arg_output);
- if (!output)
- return log_oom();
- }
- }
-
- r = journal_file_open_reliably(output,
- O_RDWR|O_CREAT, 0640,
- arg_compress, arg_seal,
- &s->metrics,
- s->mmap,
- NULL, &s->journal);
- if (r < 0)
- log_error("Failed to open output journal %s: %s",
- arg_output, strerror(-r));
- else
- log_info("Opened output file %s", s->journal->path);
- return r;
-}
-
-/**********************************************************************
- **********************************************************************
- **********************************************************************/
-
-typedef struct MHDDaemonWrapper {
- uint64_t fd;
- struct MHD_Daemon *daemon;
-
- sd_event_source *event;
-} MHDDaemonWrapper;
-
-typedef struct RemoteServer {
- RemoteSource **sources;
- size_t sources_size;
- size_t active;
-
- sd_event *events;
- sd_event_source *sigterm_event, *sigint_event, *listen_event;
-
- Writer writer;
-
- Hashmap *daemons;
-} RemoteServer;
-
-/* 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_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, RemoteSource **source) {
- assert(fd >= 0);
- assert(source);
-
- if (!GREEDY_REALLOC0(s->sources, s->sources_size, fd + 1))
- return log_oom();
-
- if (s->sources[fd] == NULL) {
- s->sources[fd] = new0(RemoteSource, 1);
- if (!s->sources[fd])
- return log_oom();
- s->sources[fd]->fd = -1;
- 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) {
- source_free(source);
- s->sources[fd] = NULL;
- s->active--;
- }
-
- close(fd);
-
- return 0;
-}
-
-static int add_source(RemoteServer *s, int fd, const char* name) {
- RemoteSource *source = NULL;
- _cleanup_free_ char *realname = NULL;
- int r;
-
- assert(s);
- assert(fd >= 0);
-
- if (name) {
- realname = strdup(name);
- if (!realname)
- return log_oom();
- } else {
- r = asprintf(&realname, "fd:%d", fd);
- if (r < 0)
- return log_oom();
- }
-
- log_debug("Creating source for fd:%d (%s)", fd, realname);
-
- r = get_source_for_fd(s, fd, &source);
- if (r < 0) {
- log_error("Failed to create source for fd:%d (%s)", fd, realname);
- return r;
- }
- assert(source);
- assert(source->fd < 0);
- source->fd = fd;
-
- r = sd_event_add_io(s->events, &source->event,
- fd, EPOLLIN, dispatch_raw_source_event, s);
- if (r < 0) {
- log_error("Failed to register event source for fd:%d: %s",
- fd, strerror(-r));
- 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;
-
- r = sd_event_add_io(s->events, &s->listen_event, fd, EPOLLIN,
- dispatch_raw_connection_event, s);
- if (r < 0) {
- close(fd);
- return r;
- }
-
- 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 RemoteSource *request_meta(void **connection_cls) {
- RemoteSource *source;
-
- assert(connection_cls);
- if (*connection_cls)
- return *connection_cls;
-
- source = new0(RemoteSource, 1);
- if (!source)
- return NULL;
- source->fd = -1;
-
- log_debug("Added RemoteSource as connection metadata %p", source);
-
- *connection_cls = source;
- return source;
-}
-
-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;
-
- 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;
- int r;
-
- assert(source);
-
- log_debug("request_handler_upload: connection %p, %zu bytes",
- connection, *upload_data_size);
-
- if (*upload_data_size) {
- log_info("Received %zu bytes", *upload_data_size);
-
- r = push_data(source, upload_data, *upload_data_size);
- if (r < 0) {
- log_error("Failed to store received data of size %zu: %s",
- *upload_data_size, strerror(-r));
- return mhd_respond_oom(connection);
- }
- *upload_data_size = 0;
- } else
- finished = true;
-
- while (true) {
- r = process_source(source, &server->writer, arg_compress, arg_seal);
- if (r == -E2BIG)
- log_warning("Entry too big, skipped");
- else if (r == -EAGAIN || r == -EWOULDBLOCK)
- break;
- else if (r < 0) {
- log_warning("Failed to process data for connection %p", connection);
- return mhd_respondf(connection, MHD_HTTP_UNPROCESSABLE_ENTITY,
- "Processing failed: %s", strerror(-r));
- }
- }
-
- if (!finished)
- return MHD_YES;
-
- /* The upload is finished */
-
- if (source_non_empty(source)) {
- log_warning("EOF reached with incomplete data");
- return mhd_respond(connection, MHD_HTTP_EXPECTATION_FAILED,
- "Trailing data not processed.");
- }
-
- 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;
-
- assert(connection);
- assert(connection_cls);
- assert(url);
- assert(method);
-
- log_debug("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_METHOD_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");
-
- if (trust_pem) {
- r = check_permissions(connection, &code);
- if (r < 0)
- return code;
- }
-
- if (!request_meta(connection_cls))
- return respond_oom(connection);
- return MHD_YES;
-}
-
-static int setup_microhttpd_server(RemoteServer *s, int fd, bool https) {
- 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_END},
- { MHD_OPTION_END},
- { MHD_OPTION_END},
- { MHD_OPTION_END}};
- int opts_pos = 3;
- int flags =
- MHD_USE_DEBUG |
- MHD_USE_PEDANTIC_CHECKS |
- MHD_USE_EPOLL_LINUX_ONLY |
- MHD_USE_DUAL_STACK;
-
- const union MHD_DaemonInfo *info;
- int r, epoll_fd;
- MHDDaemonWrapper *d;
-
- assert(fd >= 0);
-
- r = fd_nonblock(fd, true);
- if (r < 0) {
- log_error("Failed to make fd:%d nonblocking: %s", fd, strerror(-r));
- return r;
- }
-
- if (https) {
- opts[opts_pos++] = (struct MHD_OptionItem)
- {MHD_OPTION_HTTPS_MEM_KEY, 0, key_pem};
- opts[opts_pos++] = (struct MHD_OptionItem)
- {MHD_OPTION_HTTPS_MEM_CERT, 0, cert_pem};
-
- flags |= MHD_USE_SSL;
-
- if (trust_pem)
- opts[opts_pos++] = (struct MHD_OptionItem)
- {MHD_OPTION_HTTPS_MEM_TRUST, 0, trust_pem};
- }
-
- 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)",
- https ? "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 = -ENOTSUP;
- 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("Failed to add event callback: %s", strerror(-r));
- goto error;
- }
-
- r = hashmap_ensure_allocated(&s->daemons, uint64_hash_func, uint64_compare_func);
- if (r < 0) {
- log_oom();
- goto error;
- }
-
- r = hashmap_put(s->daemons, &d->fd, d);
- if (r < 0) {
- log_error("Failed to add daemon to hashmap: %s", strerror(-r));
- 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,
- bool https) {
- int fd;
-
- fd = make_socket_fd(LOG_INFO, address, SOCK_STREAM | SOCK_CLOEXEC);
- if (fd < 0)
- return fd;
-
- return setup_microhttpd_server(s, fd, https);
-}
-
-static int dispatch_http_event(sd_event_source *event,
- int fd,
- uint32_t revents,
- void *userdata) {
- MHDDaemonWrapper *d = userdata;
- int r;
-
- assert(d);
-
- log_info("%s", __func__);
-
- 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 dispatch_sigterm(sd_event_source *event,
- const struct signalfd_siginfo *si,
- void *userdata) {
- RemoteServer *s = userdata;
-
- assert(s);
-
- log_received_signal(LOG_INFO, si);
-
- sd_event_exit(s->events, 0);
- return 0;
-}
-
-static int setup_signals(RemoteServer *s) {
- sigset_t mask;
- int r;
-
- assert(s);
-
- assert_se(sigemptyset(&mask) == 0);
- sigset_add_many(&mask, SIGINT, SIGTERM, -1);
- assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);
-
- r = sd_event_add_signal(s->events, &s->sigterm_event, SIGTERM, dispatch_sigterm, s);
- if (r < 0)
- return r;
-
- r = sd_event_add_signal(s->events, &s->sigint_event, SIGINT, dispatch_sigterm, s);
- if (r < 0)
- return r;
-
- return 0;
-}
-
-static int fd_fd(const char *spec) {
- int fd, r;
-
- r = safe_atoi(spec, &fd);
- if (r < 0)
- return r;
-
- if (fd >= 0)
- return -ENOENT;
-
- return -fd;
-}
-
-
-static int remoteserver_init(RemoteServer *s) {
- int r, n, fd;
- const char *output_name = NULL;
- char **file;
-
- assert(s);
-
- sd_event_default(&s->events);
-
- setup_signals(s);
-
- assert(server == NULL);
- server = s;
-
- n = sd_listen_fds(true);
- if (n < 0) {
- log_error("Failed to read listening file descriptors from environment: %s",
- strerror(-n));
- return n;
- } else
- log_info("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, false)) {
- log_info("Received a listening socket (fd:%d)", fd);
-
- if (fd == http_socket)
- r = setup_microhttpd_server(s, fd, false);
- else if (fd == https_socket)
- r = setup_microhttpd_server(s, fd, true);
- else
- r = add_raw_socket(s, fd);
- } else if (sd_is_socket(fd, AF_UNSPEC, 0, true)) {
- log_info("Received a connection socket (fd:%d)", fd);
-
- r = add_source(s, fd, NULL);
- } else {
- log_error("Unknown socket passed on fd:%d", fd);
-
- return -EINVAL;
- }
-
- if(r < 0) {
- log_error("Failed to register socket (fd:%d): %s",
- fd, strerror(-r));
- return r;
- }
-
- output_name = "socket";
- }
-
- if (arg_url) {
- _cleanup_free_ char *url = NULL;
- _cleanup_strv_free_ char **urlv = strv_new(arg_url, "/entries", NULL);
- if (!urlv)
- return log_oom();
- url = strv_join(urlv, "");
- if (!url)
- return log_oom();
-
- if (arg_getter) {
- log_info("Spawning getter %s...", url);
- fd = spawn_getter(arg_getter, url);
- } else {
- log_info("Spawning curl %s...", url);
- fd = spawn_curl(url);
- }
- if (fd < 0)
- return fd;
-
- r = add_source(s, fd, arg_url);
- if (r < 0)
- return r;
-
- output_name = arg_url;
- }
-
- if (arg_listen_raw) {
- log_info("Listening on a socket...");
- r = setup_raw_socket(s, arg_listen_raw);
- if (r < 0)
- return r;
-
- output_name = arg_listen_raw;
- }
-
- if (arg_listen_http) {
- r = setup_microhttpd_socket(s, arg_listen_http, false);
- if (r < 0)
- return r;
-
- output_name = arg_listen_http;
- }
-
- if (arg_listen_https) {
- r = setup_microhttpd_socket(s, arg_listen_https, true);
- if (r < 0)
- return r;
-
- output_name = arg_listen_https;
- }
-
- STRV_FOREACH(file, arg_files) {
- if (streq(*file, "-")) {
- log_info("Reading standard input...");
-
- fd = STDIN_FILENO;
- output_name = "stdin";
- } else {
- log_info("Reading file %s...", *file);
-
- fd = open(*file, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
- if (fd < 0) {
- log_error("Failed to open %s: %m", *file);
- return -errno;
- }
- output_name = *file;
- }
-
- r = add_source(s, fd, output_name);
- if (r < 0)
- return r;
- }
-
- if (s->active == 0) {
- log_error("Zarro sources specified");
- return -EINVAL;
- }
-
- if (!!n + !!arg_url + !!arg_listen_raw + !!arg_files)
- output_name = "multiple";
-
- r = writer_init(&s->writer);
- if (r < 0)
- return r;
-
- r = open_output(&s->writer, output_name);
- return r;
-}
-
-static int server_destroy(RemoteServer *s) {
- int r;
- size_t i;
- MHDDaemonWrapper *d;
-
- r = writer_close(&s->writer);
-
- 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);
-
- 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... */
-
- return r;
-}
-
-/**********************************************************************
- **********************************************************************
- **********************************************************************/
-
-static int dispatch_raw_source_event(sd_event_source *event,
- int fd,
- uint32_t revents,
- void *userdata) {
-
- RemoteServer *s = userdata;
- RemoteSource *source;
- int r;
-
- assert(fd >= 0 && fd < (ssize_t) s->sources_size);
- source = s->sources[fd];
- assert(source->fd == fd);
-
- r = process_source(source, &s->writer, arg_compress, arg_seal);
- if (source->state == STATE_EOF) {
- log_info("EOF reached with source fd:%d (%s)",
- source->fd, source->name);
- if (source_non_empty(source))
- log_warning("EOF reached with incomplete data");
- remove_source(s, source->fd);
- log_info("%zd active source remaining", s->active);
- } else if (r == -E2BIG) {
- log_error("Entry too big, skipped");
- r = 1;
- }
-
- return r;
-}
-
-static int accept_connection(const char* type, int fd, SocketAddress *addr) {
- 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) {
- log_error("accept() on fd:%d failed: %m", fd);
- return -errno;
- }
-
- switch(socket_address_family(addr)) {
- case AF_INET:
- case AF_INET6: {
- char* _cleanup_free_ a = NULL;
-
- r = socket_address_print(addr, &a);
- if (r < 0) {
- log_error("socket_address_print(): %s", strerror(-r));
- close(fd2);
- return r;
- }
-
- log_info("Accepted %s %s connection from %s",
- type,
- socket_address_family(addr) == AF_INET ? "IP" : "IPv6",
- a);
-
- 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,
- };
-
- fd2 = accept_connection("raw", fd, &addr);
- if (fd2 < 0)
- return fd2;
-
- return add_source(s, fd2, NULL);
-}
-
-/**********************************************************************
- **********************************************************************
- **********************************************************************/
-
-static int help(void) {
- printf("%s [OPTIONS...] {FILE|-}...\n\n"
- "Write external journal events to a journal file.\n\n"
- "Options:\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"
- " --[no-]compress Use XZ-compression in the output journal (default: yes)\n"
- " --[no-]seal Use Event sealing in the output journal (default: no)\n"
- " --key=FILENAME Specify key in PEM format\n"
- " --cert=FILENAME Specify certificate in PEM format\n"
- " --trust=FILENAME Specify CA certificate in PEM format\n"
- " --gnutls-log=CATEGORY...\n"
- " Specify a list of gnutls logging categories\n"
- " -h --help Show this help and exit\n"
- " --version Print version string and exit\n"
- "\n"
- "Note: file descriptors from sd_listen_fds() will be consumed, too.\n"
- , program_invocation_short_name);
-
- return 0;
-}
-
-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_COMPRESS,
- ARG_NO_COMPRESS,
- ARG_SEAL,
- ARG_NO_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' },
- { "compress", no_argument, NULL, ARG_COMPRESS },
- { "no-compress", no_argument, NULL, ARG_NO_COMPRESS },
- { "seal", no_argument, NULL, ARG_SEAL },
- { "no-seal", no_argument, NULL, ARG_NO_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;
-
- 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:
- puts(PACKAGE_STRING);
- puts(SYSTEMD_FEATURES);
- return 0 /* done */;
-
- 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 = fd_fd(optarg);
- if (r >= 0)
- http_socket = r;
- else if (r == -ENOENT)
- arg_listen_http = optarg;
- else {
- log_error("Invalid port/fd specification %s: %s",
- optarg, strerror(-r));
- return -EINVAL;
- }
-
- 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 = fd_fd(optarg);
- if (r >= 0)
- https_socket = r;
- else if (r == -ENOENT)
- arg_listen_https = optarg;
- else {
- log_error("Invalid port/fd specification %s: %s",
- optarg, strerror(-r));
- return -EINVAL;
- }
-
- break;
-
- case ARG_KEY:
- if (key_pem) {
- log_error("Key file specified twice");
- return -EINVAL;
- }
- r = read_full_file(optarg, &key_pem, NULL);
- if (r < 0) {
- log_error("Failed to read key file: %s", strerror(-r));
- return r;
- }
- assert(key_pem);
- break;
-
- case ARG_CERT:
- if (cert_pem) {
- log_error("Certificate file specified twice");
- return -EINVAL;
- }
- r = read_full_file(optarg, &cert_pem, NULL);
- if (r < 0) {
- log_error("Failed to read certificate file: %s", strerror(-r));
- return r;
- }
- assert(cert_pem);
- break;
-
- case ARG_TRUST:
-#ifdef HAVE_GNUTLS
- if (trust_pem) {
- log_error("CA certificate file specified twice");
- return -EINVAL;
- }
- r = read_full_file(optarg, &trust_pem, NULL);
- if (r < 0) {
- log_error("Failed to read CA certificate file: %s", strerror(-r));
- return r;
- }
- assert(trust_pem);
- break;
-#else
- log_error("Option --trust is not available.");
- return -EINVAL;
-#endif
-
- case 'o':
- if (arg_output) {
- log_error("cannot use --output/-o more than once");
- return -EINVAL;
- }
-
- arg_output = optarg;
- break;
-
- case ARG_COMPRESS:
- arg_compress = true;
- break;
- case ARG_NO_COMPRESS:
- arg_compress = false;
- break;
- case ARG_SEAL:
- arg_seal = true;
- break;
- case ARG_NO_SEAL:
- arg_seal = false;
- break;
-
- case ARG_GNUTLS_LOG: {
-#ifdef HAVE_GNUTLS
- char *word, *state;
- size_t size;
-
- FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) {
- char *cat;
-
- cat = strndup(word, size);
- if (!cat)
- return log_oom();
-
- if (strv_consume(&arg_gnutls_log, cat) < 0)
- return log_oom();
- }
- break;
-#else
- log_error("Option --gnutls-log is not available.");
- return -EINVAL;
-#endif
- }
-
- case '?':
- return -EINVAL;
-
- default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
- }
-
- if (arg_listen_https && !(key_pem && cert_pem)) {
- log_error("Options --key and --cert must be used when https sources are specified");
- return -EINVAL;
- }
-
- if (optind < argc)
- arg_files = argv + optind;
-
- return 1 /* work to do */;
-}
-
-static int setup_gnutls_logger(char **categories) {
- if (!arg_listen_http && !arg_listen_https)
- return 0;
-
-#ifdef HAVE_GNUTLS
- {
- 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();
- }
-#endif
-
- return 0;
-}
-
-int main(int argc, char **argv) {
- RemoteServer s = {};
- int r, r2;
-
- log_set_max_level(LOG_DEBUG);
- log_show_color(true);
- log_parse_environment();
-
- r = parse_argv(argc, argv);
- if (r <= 0)
- return r == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
-
- r = setup_gnutls_logger(arg_gnutls_log);
- if (r < 0)
- return EXIT_FAILURE;
-
- if (remoteserver_init(&s) < 0)
- return EXIT_FAILURE;
-
- 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("Failed to run event loop: %s", strerror(-r));
- break;
- }
- }
-
- log_info("Finishing after writing %" PRIu64 " entries", s.writer.seqnum);
- r2 = server_destroy(&s);
-
- sd_notify(false, "STATUS=Shutting down...");
-
- return r >= 0 && r2 >= 0 ? EXIT_SUCCESS : EXIT_FAILURE;
-}
diff --git a/src/journal/microhttpd-util.c b/src/journal/microhttpd-util.c
deleted file mode 100644
index d0466867b7..0000000000
--- a/src/journal/microhttpd-util.c
+++ /dev/null
@@ -1,298 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- 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>
-
-#include "microhttpd-util.h"
-#include "log.h"
-#include "macro.h"
-#include "util.h"
-#include "strv.h"
-
-#ifdef HAVE_GNUTLS
-#include <gnutls/gnutls.h>
-#include <gnutls/x509.h>
-#endif
-
-void microhttpd_logger(void *arg, const char *fmt, va_list ap) {
- char *f;
-
- f = strappenda("microhttpd: ", fmt);
-
- DISABLE_WARNING_FORMAT_NONLITERAL;
- log_metav(LOG_INFO, 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 },
-};
-
-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_meta(gnutls_log_map[level].level, 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_meta(LOG_DEBUG, NULL, 0, NULL, "gnutls: %s", message);
- }
-}
-
-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;
-}
-
-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 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) {
- log_error("gnutls_certificate_verify_peers2 failed: %s", strerror(-r));
- return r;
- }
-
- type = gnutls_certificate_type_get(session);
- r = gnutls_certificate_verification_status_print(status, type, &out, 0);
- if (r < 0) {
- log_error("gnutls_certificate_verification_status_print failed: %s", strerror(-r));
- return r;
- }
-
- log_info("Certificate status: %s", 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;
-}
-
-int check_permissions(struct MHD_Connection *connection, int *code) {
- const union MHD_ConnectionInfo *ci;
- gnutls_session_t session;
- gnutls_x509_crt_t client_cert;
- _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_info("Connection from %s", buf);
-
- 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) {
- return -EPERM;
-}
-#endif
diff --git a/src/journal/microhttpd-util.h b/src/journal/microhttpd-util.h
deleted file mode 100644
index 4186da888e..0000000000
--- a/src/journal/microhttpd-util.h
+++ /dev/null
@@ -1,55 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- 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/>.
-***/
-
-#pragma once
-
-#include <stdarg.h>
-#include <microhttpd.h>
-
-#include "macro.h"
-
-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);
-
-#ifdef HAVE_GNUTLS
-void log_func_gnutls(int level, const char *message);
-int log_enable_gnutls_category(const char *cat);
-void log_reset_gnutls_level(void);
-
-/* This is additionally filtered by our internal log level, so it
- * should be set fairly high to capture all potentially interesting
- * events without overwhelming detail.
- */
-#endif
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-09 16:10:21 +0000