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-rw-r--r--src/journal/coredump-vacuum.c268
-rw-r--r--src/journal/coredump-vacuum.h25
-rw-r--r--src/journal/coredump.c880
-rw-r--r--src/journal/coredump.conf21
-rw-r--r--src/journal/coredumpctl.c880
-rw-r--r--src/journal/stacktrace.c200
-rw-r--r--src/journal/stacktrace.h22
-rw-r--r--src/journal/test-coredump-vacuum.c30
8 files changed, 0 insertions, 2326 deletions
diff --git a/src/journal/coredump-vacuum.c b/src/journal/coredump-vacuum.c
deleted file mode 100644
index f02b6dbd87..0000000000
--- a/src/journal/coredump-vacuum.c
+++ /dev/null
@@ -1,268 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2014 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 <sys/statvfs.h>
-
-#include "alloc-util.h"
-#include "coredump-vacuum.h"
-#include "dirent-util.h"
-#include "fd-util.h"
-#include "hashmap.h"
-#include "macro.h"
-#include "string-util.h"
-#include "time-util.h"
-#include "user-util.h"
-#include "util.h"
-
-#define DEFAULT_MAX_USE_LOWER (uint64_t) (1ULL*1024ULL*1024ULL) /* 1 MiB */
-#define DEFAULT_MAX_USE_UPPER (uint64_t) (4ULL*1024ULL*1024ULL*1024ULL) /* 4 GiB */
-#define DEFAULT_KEEP_FREE_UPPER (uint64_t) (4ULL*1024ULL*1024ULL*1024ULL) /* 4 GiB */
-#define DEFAULT_KEEP_FREE (uint64_t) (1024ULL*1024ULL) /* 1 MB */
-
-struct vacuum_candidate {
- unsigned n_files;
- char *oldest_file;
- usec_t oldest_mtime;
-};
-
-static void vacuum_candidate_free(struct vacuum_candidate *c) {
- if (!c)
- return;
-
- free(c->oldest_file);
- free(c);
-}
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(struct vacuum_candidate*, vacuum_candidate_free);
-
-static void vacuum_candidate_hasmap_free(Hashmap *h) {
- struct vacuum_candidate *c;
-
- while ((c = hashmap_steal_first(h)))
- vacuum_candidate_free(c);
-
- hashmap_free(h);
-}
-
-DEFINE_TRIVIAL_CLEANUP_FUNC(Hashmap*, vacuum_candidate_hasmap_free);
-
-static int uid_from_file_name(const char *filename, uid_t *uid) {
- const char *p, *e, *u;
-
- p = startswith(filename, "core.");
- if (!p)
- return -EINVAL;
-
- /* Skip the comm field */
- p = strchr(p, '.');
- if (!p)
- return -EINVAL;
- p++;
-
- /* Find end up UID */
- e = strchr(p, '.');
- if (!e)
- return -EINVAL;
-
- u = strndupa(p, e-p);
- return parse_uid(u, uid);
-}
-
-static bool vacuum_necessary(int fd, uint64_t sum, uint64_t keep_free, uint64_t max_use) {
- uint64_t fs_size = 0, fs_free = (uint64_t) -1;
- struct statvfs sv;
-
- assert(fd >= 0);
-
- if (fstatvfs(fd, &sv) >= 0) {
- fs_size = sv.f_frsize * sv.f_blocks;
- fs_free = sv.f_frsize * sv.f_bfree;
- }
-
- if (max_use == (uint64_t) -1) {
-
- if (fs_size > 0) {
- max_use = PAGE_ALIGN(fs_size / 10); /* 10% */
-
- if (max_use > DEFAULT_MAX_USE_UPPER)
- max_use = DEFAULT_MAX_USE_UPPER;
-
- if (max_use < DEFAULT_MAX_USE_LOWER)
- max_use = DEFAULT_MAX_USE_LOWER;
- } else
- max_use = DEFAULT_MAX_USE_LOWER;
- } else
- max_use = PAGE_ALIGN(max_use);
-
- if (max_use > 0 && sum > max_use)
- return true;
-
- if (keep_free == (uint64_t) -1) {
-
- if (fs_size > 0) {
- keep_free = PAGE_ALIGN((fs_size * 3) / 20); /* 15% */
-
- if (keep_free > DEFAULT_KEEP_FREE_UPPER)
- keep_free = DEFAULT_KEEP_FREE_UPPER;
- } else
- keep_free = DEFAULT_KEEP_FREE;
- } else
- keep_free = PAGE_ALIGN(keep_free);
-
- if (keep_free > 0 && fs_free < keep_free)
- return true;
-
- return false;
-}
-
-int coredump_vacuum(int exclude_fd, uint64_t keep_free, uint64_t max_use) {
- _cleanup_closedir_ DIR *d = NULL;
- struct stat exclude_st;
- int r;
-
- if (keep_free == 0 && max_use == 0)
- return 0;
-
- if (exclude_fd >= 0) {
- if (fstat(exclude_fd, &exclude_st) < 0)
- return log_error_errno(errno, "Failed to fstat(): %m");
- }
-
- /* This algorithm will keep deleting the oldest file of the
- * user with the most coredumps until we are back in the size
- * limits. Note that vacuuming for journal files is different,
- * because we rely on rate-limiting of the messages there,
- * to avoid being flooded. */
-
- d = opendir("/var/lib/systemd/coredump");
- if (!d) {
- if (errno == ENOENT)
- return 0;
-
- return log_error_errno(errno, "Can't open coredump directory: %m");
- }
-
- for (;;) {
- _cleanup_(vacuum_candidate_hasmap_freep) Hashmap *h = NULL;
- struct vacuum_candidate *worst = NULL;
- struct dirent *de;
- uint64_t sum = 0;
-
- rewinddir(d);
-
- FOREACH_DIRENT(de, d, goto fail) {
- struct vacuum_candidate *c;
- struct stat st;
- uid_t uid;
- usec_t t;
-
- r = uid_from_file_name(de->d_name, &uid);
- if (r < 0)
- continue;
-
- if (fstatat(dirfd(d), de->d_name, &st, AT_NO_AUTOMOUNT|AT_SYMLINK_NOFOLLOW) < 0) {
- if (errno == ENOENT)
- continue;
-
- log_warning_errno(errno, "Failed to stat /var/lib/systemd/coredump/%s: %m", de->d_name);
- continue;
- }
-
- if (!S_ISREG(st.st_mode))
- continue;
-
- if (exclude_fd >= 0 &&
- exclude_st.st_dev == st.st_dev &&
- exclude_st.st_ino == st.st_ino)
- continue;
-
- r = hashmap_ensure_allocated(&h, NULL);
- if (r < 0)
- return log_oom();
-
- t = timespec_load(&st.st_mtim);
-
- c = hashmap_get(h, UID_TO_PTR(uid));
- if (c) {
-
- if (t < c->oldest_mtime) {
- char *n;
-
- n = strdup(de->d_name);
- if (!n)
- return log_oom();
-
- free(c->oldest_file);
- c->oldest_file = n;
- c->oldest_mtime = t;
- }
-
- } else {
- _cleanup_(vacuum_candidate_freep) struct vacuum_candidate *n = NULL;
-
- n = new0(struct vacuum_candidate, 1);
- if (!n)
- return log_oom();
-
- n->oldest_file = strdup(de->d_name);
- if (!n->oldest_file)
- return log_oom();
-
- n->oldest_mtime = t;
-
- r = hashmap_put(h, UID_TO_PTR(uid), n);
- if (r < 0)
- return log_oom();
-
- c = n;
- n = NULL;
- }
-
- c->n_files++;
-
- if (!worst ||
- worst->n_files < c->n_files ||
- (worst->n_files == c->n_files && c->oldest_mtime < worst->oldest_mtime))
- worst = c;
-
- sum += st.st_blocks * 512;
- }
-
- if (!worst)
- break;
-
- r = vacuum_necessary(dirfd(d), sum, keep_free, max_use);
- if (r <= 0)
- return r;
-
- if (unlinkat(dirfd(d), worst->oldest_file, 0) < 0) {
-
- if (errno == ENOENT)
- continue;
-
- return log_error_errno(errno, "Failed to remove file %s: %m", worst->oldest_file);
- } else
- log_info("Removed old coredump %s.", worst->oldest_file);
- }
-
- return 0;
-
-fail:
- return log_error_errno(errno, "Failed to read directory: %m");
-}
diff --git a/src/journal/coredump-vacuum.h b/src/journal/coredump-vacuum.h
deleted file mode 100644
index 4b7b9f2d98..0000000000
--- a/src/journal/coredump-vacuum.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#pragma once
-
-/***
- This file is part of systemd.
-
- Copyright 2014 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 <inttypes.h>
-#include <sys/types.h>
-
-int coredump_vacuum(int exclude_fd, uint64_t keep_free, uint64_t max_use);
diff --git a/src/journal/coredump.c b/src/journal/coredump.c
deleted file mode 100644
index 8b1c670cc6..0000000000
--- a/src/journal/coredump.c
+++ /dev/null
@@ -1,880 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2012 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <errno.h>
-#include <stdio.h>
-#include <sys/prctl.h>
-#include <sys/xattr.h>
-#include <unistd.h>
-
-#ifdef HAVE_ELFUTILS
-# include <dwarf.h>
-# include <elfutils/libdwfl.h>
-#endif
-
-#include "sd-journal.h"
-#include "sd-login.h"
-
-#include "acl-util.h"
-#include "alloc-util.h"
-#include "capability-util.h"
-#include "cgroup-util.h"
-#include "compress.h"
-#include "conf-parser.h"
-#include "copy.h"
-#include "coredump-vacuum.h"
-#include "dirent-util.h"
-#include "escape.h"
-#include "fd-util.h"
-#include "fileio.h"
-#include "fs-util.h"
-#include "io-util.h"
-#include "journald-native.h"
-#include "log.h"
-#include "macro.h"
-#include "mkdir.h"
-#include "parse-util.h"
-#include "process-util.h"
-#include "special.h"
-#include "stacktrace.h"
-#include "string-table.h"
-#include "string-util.h"
-#include "strv.h"
-#include "user-util.h"
-#include "util.h"
-
-/* The maximum size up to which we process coredumps */
-#define PROCESS_SIZE_MAX ((uint64_t) (2LLU*1024LLU*1024LLU*1024LLU))
-
-/* The maximum size up to which we leave the coredump around on
- * disk */
-#define EXTERNAL_SIZE_MAX PROCESS_SIZE_MAX
-
-/* The maximum size up to which we store the coredump in the
- * journal */
-#define JOURNAL_SIZE_MAX ((size_t) (767LU*1024LU*1024LU))
-
-/* Make sure to not make this larger than the maximum journal entry
- * size. See DATA_SIZE_MAX in journald-native.c. */
-assert_cc(JOURNAL_SIZE_MAX <= DATA_SIZE_MAX);
-
-enum {
- INFO_PID,
- INFO_UID,
- INFO_GID,
- INFO_SIGNAL,
- INFO_TIMESTAMP,
- INFO_COMM,
- INFO_EXE,
- _INFO_LEN
-};
-
-typedef enum CoredumpStorage {
- COREDUMP_STORAGE_NONE,
- COREDUMP_STORAGE_EXTERNAL,
- COREDUMP_STORAGE_JOURNAL,
- COREDUMP_STORAGE_BOTH,
- _COREDUMP_STORAGE_MAX,
- _COREDUMP_STORAGE_INVALID = -1
-} CoredumpStorage;
-
-static const char* const coredump_storage_table[_COREDUMP_STORAGE_MAX] = {
- [COREDUMP_STORAGE_NONE] = "none",
- [COREDUMP_STORAGE_EXTERNAL] = "external",
- [COREDUMP_STORAGE_JOURNAL] = "journal",
- [COREDUMP_STORAGE_BOTH] = "both",
-};
-
-DEFINE_PRIVATE_STRING_TABLE_LOOKUP(coredump_storage, CoredumpStorage);
-static DEFINE_CONFIG_PARSE_ENUM(config_parse_coredump_storage, coredump_storage, CoredumpStorage, "Failed to parse storage setting");
-
-static CoredumpStorage arg_storage = COREDUMP_STORAGE_EXTERNAL;
-static bool arg_compress = true;
-static uint64_t arg_process_size_max = PROCESS_SIZE_MAX;
-static uint64_t arg_external_size_max = EXTERNAL_SIZE_MAX;
-static size_t arg_journal_size_max = JOURNAL_SIZE_MAX;
-static uint64_t arg_keep_free = (uint64_t) -1;
-static uint64_t arg_max_use = (uint64_t) -1;
-
-static int parse_config(void) {
- static const ConfigTableItem items[] = {
- { "Coredump", "Storage", config_parse_coredump_storage, 0, &arg_storage },
- { "Coredump", "Compress", config_parse_bool, 0, &arg_compress },
- { "Coredump", "ProcessSizeMax", config_parse_iec_uint64, 0, &arg_process_size_max },
- { "Coredump", "ExternalSizeMax", config_parse_iec_uint64, 0, &arg_external_size_max },
- { "Coredump", "JournalSizeMax", config_parse_iec_size, 0, &arg_journal_size_max },
- { "Coredump", "KeepFree", config_parse_iec_uint64, 0, &arg_keep_free },
- { "Coredump", "MaxUse", config_parse_iec_uint64, 0, &arg_max_use },
- {}
- };
-
- return config_parse_many(PKGSYSCONFDIR "/coredump.conf",
- CONF_PATHS_NULSTR("systemd/coredump.conf.d"),
- "Coredump\0",
- config_item_table_lookup, items,
- false, NULL);
-}
-
-static int fix_acl(int fd, uid_t uid) {
-
-#ifdef HAVE_ACL
- _cleanup_(acl_freep) acl_t acl = NULL;
- acl_entry_t entry;
- acl_permset_t permset;
- int r;
-
- assert(fd >= 0);
-
- if (uid <= SYSTEM_UID_MAX)
- return 0;
-
- /* Make sure normal users can read (but not write or delete)
- * their own coredumps */
-
- acl = acl_get_fd(fd);
- if (!acl)
- return log_error_errno(errno, "Failed to get ACL: %m");
-
- if (acl_create_entry(&acl, &entry) < 0 ||
- acl_set_tag_type(entry, ACL_USER) < 0 ||
- acl_set_qualifier(entry, &uid) < 0) {
- log_error_errno(errno, "Failed to patch ACL: %m");
- return -errno;
- }
-
- if (acl_get_permset(entry, &permset) < 0 ||
- acl_add_perm(permset, ACL_READ) < 0)
- return log_warning_errno(errno, "Failed to patch ACL: %m");
-
- r = calc_acl_mask_if_needed(&acl);
- if (r < 0)
- return log_warning_errno(r, "Failed to patch ACL: %m");
-
- if (acl_set_fd(fd, acl) < 0)
- return log_error_errno(errno, "Failed to apply ACL: %m");
-#endif
-
- return 0;
-}
-
-static int fix_xattr(int fd, const char *info[_INFO_LEN]) {
-
- static const char * const xattrs[_INFO_LEN] = {
- [INFO_PID] = "user.coredump.pid",
- [INFO_UID] = "user.coredump.uid",
- [INFO_GID] = "user.coredump.gid",
- [INFO_SIGNAL] = "user.coredump.signal",
- [INFO_TIMESTAMP] = "user.coredump.timestamp",
- [INFO_COMM] = "user.coredump.comm",
- [INFO_EXE] = "user.coredump.exe",
- };
-
- int r = 0;
- unsigned i;
-
- assert(fd >= 0);
-
- /* Attach some metadata to coredumps via extended
- * attributes. Just because we can. */
-
- for (i = 0; i < _INFO_LEN; i++) {
- int k;
-
- if (isempty(info[i]) || !xattrs[i])
- continue;
-
- k = fsetxattr(fd, xattrs[i], info[i], strlen(info[i]), XATTR_CREATE);
- if (k < 0 && r == 0)
- r = -errno;
- }
-
- return r;
-}
-
-#define filename_escape(s) xescape((s), "./ ")
-
-static int fix_permissions(
- int fd,
- const char *filename,
- const char *target,
- const char *info[_INFO_LEN],
- uid_t uid) {
-
- assert(fd >= 0);
- assert(filename);
- assert(target);
- assert(info);
-
- /* Ignore errors on these */
- fchmod(fd, 0640);
- fix_acl(fd, uid);
- fix_xattr(fd, info);
-
- if (fsync(fd) < 0)
- return log_error_errno(errno, "Failed to sync coredump %s: %m", filename);
-
- if (rename(filename, target) < 0)
- return log_error_errno(errno, "Failed to rename coredump %s -> %s: %m", filename, target);
-
- return 0;
-}
-
-static int maybe_remove_external_coredump(const char *filename, uint64_t size) {
-
- /* Returns 1 if might remove, 0 if will not remove, < 0 on error. */
-
- if (IN_SET(arg_storage, COREDUMP_STORAGE_EXTERNAL, COREDUMP_STORAGE_BOTH) &&
- size <= arg_external_size_max)
- return 0;
-
- if (!filename)
- return 1;
-
- if (unlink(filename) < 0 && errno != ENOENT)
- return log_error_errno(errno, "Failed to unlink %s: %m", filename);
-
- return 1;
-}
-
-static int make_filename(const char *info[_INFO_LEN], char **ret) {
- _cleanup_free_ char *c = NULL, *u = NULL, *p = NULL, *t = NULL;
- sd_id128_t boot = {};
- int r;
-
- assert(info);
-
- c = filename_escape(info[INFO_COMM]);
- if (!c)
- return -ENOMEM;
-
- u = filename_escape(info[INFO_UID]);
- if (!u)
- return -ENOMEM;
-
- r = sd_id128_get_boot(&boot);
- if (r < 0)
- return r;
-
- p = filename_escape(info[INFO_PID]);
- if (!p)
- return -ENOMEM;
-
- t = filename_escape(info[INFO_TIMESTAMP]);
- if (!t)
- return -ENOMEM;
-
- if (asprintf(ret,
- "/var/lib/systemd/coredump/core.%s.%s." SD_ID128_FORMAT_STR ".%s.%s000000",
- c,
- u,
- SD_ID128_FORMAT_VAL(boot),
- p,
- t) < 0)
- return -ENOMEM;
-
- return 0;
-}
-
-static int save_external_coredump(
- const char *info[_INFO_LEN],
- uid_t uid,
- char **ret_filename,
- int *ret_node_fd,
- int *ret_data_fd,
- uint64_t *ret_size) {
-
- _cleanup_free_ char *fn = NULL, *tmp = NULL;
- _cleanup_close_ int fd = -1;
- struct stat st;
- int r;
-
- assert(info);
- assert(ret_filename);
- assert(ret_node_fd);
- assert(ret_data_fd);
- assert(ret_size);
-
- r = make_filename(info, &fn);
- if (r < 0)
- return log_error_errno(r, "Failed to determine coredump file name: %m");
-
- r = tempfn_random(fn, NULL, &tmp);
- if (r < 0)
- return log_error_errno(r, "Failed to determine temporary file name: %m");
-
- mkdir_p_label("/var/lib/systemd/coredump", 0755);
-
- fd = open(tmp, O_CREAT|O_EXCL|O_RDWR|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW, 0640);
- if (fd < 0)
- return log_error_errno(errno, "Failed to create coredump file %s: %m", tmp);
-
- r = copy_bytes(STDIN_FILENO, fd, arg_process_size_max, false);
- if (r == -EFBIG) {
- log_error("Coredump of %s (%s) is larger than configured processing limit, refusing.", info[INFO_PID], info[INFO_COMM]);
- goto fail;
- } else if (IN_SET(r, -EDQUOT, -ENOSPC)) {
- log_error("Not enough disk space for coredump of %s (%s), refusing.", info[INFO_PID], info[INFO_COMM]);
- goto fail;
- } else if (r < 0) {
- log_error_errno(r, "Failed to dump coredump to file: %m");
- goto fail;
- }
-
- if (fstat(fd, &st) < 0) {
- log_error_errno(errno, "Failed to fstat coredump %s: %m", tmp);
- goto fail;
- }
-
- if (lseek(fd, 0, SEEK_SET) == (off_t) -1) {
- log_error_errno(errno, "Failed to seek on %s: %m", tmp);
- goto fail;
- }
-
-#if defined(HAVE_XZ) || defined(HAVE_LZ4)
- /* If we will remove the coredump anyway, do not compress. */
- if (maybe_remove_external_coredump(NULL, st.st_size) == 0
- && arg_compress) {
-
- _cleanup_free_ char *fn_compressed = NULL, *tmp_compressed = NULL;
- _cleanup_close_ int fd_compressed = -1;
-
- fn_compressed = strappend(fn, COMPRESSED_EXT);
- if (!fn_compressed) {
- log_oom();
- goto uncompressed;
- }
-
- r = tempfn_random(fn_compressed, NULL, &tmp_compressed);
- if (r < 0) {
- log_error_errno(r, "Failed to determine temporary file name for %s: %m", fn_compressed);
- goto uncompressed;
- }
-
- fd_compressed = open(tmp_compressed, O_CREAT|O_EXCL|O_RDWR|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW, 0640);
- if (fd_compressed < 0) {
- log_error_errno(errno, "Failed to create file %s: %m", tmp_compressed);
- goto uncompressed;
- }
-
- r = compress_stream(fd, fd_compressed, -1);
- if (r < 0) {
- log_error_errno(r, "Failed to compress %s: %m", tmp_compressed);
- goto fail_compressed;
- }
-
- r = fix_permissions(fd_compressed, tmp_compressed, fn_compressed, info, uid);
- if (r < 0)
- goto fail_compressed;
-
- /* OK, this worked, we can get rid of the uncompressed version now */
- unlink_noerrno(tmp);
-
- *ret_filename = fn_compressed; /* compressed */
- *ret_node_fd = fd_compressed; /* compressed */
- *ret_data_fd = fd; /* uncompressed */
- *ret_size = (uint64_t) st.st_size; /* uncompressed */
-
- fn_compressed = NULL;
- fd = fd_compressed = -1;
-
- return 0;
-
- fail_compressed:
- unlink_noerrno(tmp_compressed);
- }
-
-uncompressed:
-#endif
-
- r = fix_permissions(fd, tmp, fn, info, uid);
- if (r < 0)
- goto fail;
-
- *ret_filename = fn;
- *ret_data_fd = fd;
- *ret_node_fd = -1;
- *ret_size = (uint64_t) st.st_size;
-
- fn = NULL;
- fd = -1;
-
- return 0;
-
-fail:
- unlink_noerrno(tmp);
- return r;
-}
-
-static int allocate_journal_field(int fd, size_t size, char **ret, size_t *ret_size) {
- _cleanup_free_ char *field = NULL;
- ssize_t n;
-
- assert(fd >= 0);
- assert(ret);
- assert(ret_size);
-
- if (lseek(fd, 0, SEEK_SET) == (off_t) -1)
- return log_warning_errno(errno, "Failed to seek: %m");
-
- field = malloc(9 + size);
- if (!field) {
- log_warning("Failed to allocate memory for coredump, coredump will not be stored.");
- return -ENOMEM;
- }
-
- memcpy(field, "COREDUMP=", 9);
-
- n = read(fd, field + 9, size);
- if (n < 0)
- return log_error_errno((int) n, "Failed to read core data: %m");
- if ((size_t) n < size) {
- log_error("Core data too short.");
- return -EIO;
- }
-
- *ret = field;
- *ret_size = size + 9;
-
- field = NULL;
-
- return 0;
-}
-
-/* Joins /proc/[pid]/fd/ and /proc/[pid]/fdinfo/ into the following lines:
- * 0:/dev/pts/23
- * pos: 0
- * flags: 0100002
- *
- * 1:/dev/pts/23
- * pos: 0
- * flags: 0100002
- *
- * 2:/dev/pts/23
- * pos: 0
- * flags: 0100002
- * EOF
- */
-static int compose_open_fds(pid_t pid, char **open_fds) {
- _cleanup_closedir_ DIR *proc_fd_dir = NULL;
- _cleanup_close_ int proc_fdinfo_fd = -1;
- _cleanup_free_ char *buffer = NULL;
- _cleanup_fclose_ FILE *stream = NULL;
- const char *fddelim = "", *path;
- struct dirent *dent = NULL;
- size_t size = 0;
- int r = 0;
-
- assert(pid >= 0);
- assert(open_fds != NULL);
-
- path = procfs_file_alloca(pid, "fd");
- proc_fd_dir = opendir(path);
- if (!proc_fd_dir)
- return -errno;
-
- proc_fdinfo_fd = openat(dirfd(proc_fd_dir), "../fdinfo", O_DIRECTORY|O_NOFOLLOW|O_CLOEXEC|O_PATH);
- if (proc_fdinfo_fd < 0)
- return -errno;
-
- stream = open_memstream(&buffer, &size);
- if (!stream)
- return -ENOMEM;
-
- FOREACH_DIRENT(dent, proc_fd_dir, return -errno) {
- _cleanup_fclose_ FILE *fdinfo = NULL;
- _cleanup_free_ char *fdname = NULL;
- char line[LINE_MAX];
- int fd;
-
- r = readlinkat_malloc(dirfd(proc_fd_dir), dent->d_name, &fdname);
- if (r < 0)
- return r;
-
- fprintf(stream, "%s%s:%s\n", fddelim, dent->d_name, fdname);
- fddelim = "\n";
-
- /* Use the directory entry from /proc/[pid]/fd with /proc/[pid]/fdinfo */
- fd = openat(proc_fdinfo_fd, dent->d_name, O_NOFOLLOW|O_CLOEXEC|O_RDONLY);
- if (fd < 0)
- continue;
-
- fdinfo = fdopen(fd, "re");
- if (fdinfo == NULL) {
- close(fd);
- continue;
- }
-
- FOREACH_LINE(line, fdinfo, break) {
- fputs(line, stream);
- if (!endswith(line, "\n"))
- fputc('\n', stream);
- }
- }
-
- errno = 0;
- stream = safe_fclose(stream);
-
- if (errno > 0)
- return -errno;
-
- *open_fds = buffer;
- buffer = NULL;
-
- return 0;
-}
-
-int main(int argc, char* argv[]) {
-
- /* The small core field we allocate on the stack, to keep things simple */
- char
- *core_pid = NULL, *core_uid = NULL, *core_gid = NULL, *core_signal = NULL,
- *core_session = NULL, *core_exe = NULL, *core_comm = NULL, *core_cmdline = NULL,
- *core_cgroup = NULL, *core_cwd = NULL, *core_root = NULL, *core_unit = NULL,
- *core_slice = NULL;
-
- /* The larger ones we allocate on the heap */
- _cleanup_free_ char
- *core_timestamp = NULL, *core_message = NULL, *coredump_data = NULL, *core_owner_uid = NULL,
- *core_open_fds = NULL, *core_proc_status = NULL, *core_proc_maps = NULL, *core_proc_limits = NULL,
- *core_proc_cgroup = NULL, *core_environ = NULL;
-
- _cleanup_free_ char *exe = NULL, *comm = NULL, *filename = NULL;
- const char *info[_INFO_LEN];
-
- _cleanup_close_ int coredump_fd = -1, coredump_node_fd = -1;
-
- struct iovec iovec[26];
- uint64_t coredump_size;
- int r, j = 0;
- uid_t uid, owner_uid;
- gid_t gid;
- pid_t pid;
- char *t;
- const char *p;
-
- /* Make sure we never enter a loop */
- prctl(PR_SET_DUMPABLE, 0);
-
- /* First, log to a safe place, since we don't know what
- * crashed and it might be journald which we'd rather not log
- * to then. */
- log_set_target(LOG_TARGET_KMSG);
- log_open();
-
- if (argc < INFO_COMM + 1) {
- log_error("Not enough arguments passed from kernel (%d, expected %d).",
- argc - 1, INFO_COMM + 1 - 1);
- r = -EINVAL;
- goto finish;
- }
-
- /* Ignore all parse errors */
- parse_config();
-
- log_debug("Selected storage '%s'.", coredump_storage_to_string(arg_storage));
- log_debug("Selected compression %s.", yes_no(arg_compress));
-
- r = parse_uid(argv[INFO_UID + 1], &uid);
- if (r < 0) {
- log_error("Failed to parse UID.");
- goto finish;
- }
-
- r = parse_pid(argv[INFO_PID + 1], &pid);
- if (r < 0) {
- log_error("Failed to parse PID.");
- goto finish;
- }
-
- r = parse_gid(argv[INFO_GID + 1], &gid);
- if (r < 0) {
- log_error("Failed to parse GID.");
- goto finish;
- }
-
- if (get_process_comm(pid, &comm) < 0) {
- log_warning("Failed to get COMM, falling back to the command line.");
- comm = strv_join(argv + INFO_COMM + 1, " ");
- }
-
- if (get_process_exe(pid, &exe) < 0)
- log_warning("Failed to get EXE.");
-
- info[INFO_PID] = argv[INFO_PID + 1];
- info[INFO_UID] = argv[INFO_UID + 1];
- info[INFO_GID] = argv[INFO_GID + 1];
- info[INFO_SIGNAL] = argv[INFO_SIGNAL + 1];
- info[INFO_TIMESTAMP] = argv[INFO_TIMESTAMP + 1];
- info[INFO_COMM] = comm;
- info[INFO_EXE] = exe;
-
- if (cg_pid_get_unit(pid, &t) >= 0) {
-
- if (streq(t, SPECIAL_JOURNALD_SERVICE)) {
- free(t);
-
- /* If we are journald, we cut things short,
- * don't write to the journal, but still
- * create a coredump. */
-
- if (arg_storage != COREDUMP_STORAGE_NONE)
- arg_storage = COREDUMP_STORAGE_EXTERNAL;
-
- r = save_external_coredump(info, uid, &filename, &coredump_node_fd, &coredump_fd, &coredump_size);
- if (r < 0)
- goto finish;
-
- r = maybe_remove_external_coredump(filename, coredump_size);
- if (r < 0)
- goto finish;
-
- log_info("Detected coredump of the journal daemon itself, diverted to %s.", filename);
- goto finish;
- }
-
- core_unit = strjoina("COREDUMP_UNIT=", t);
- free(t);
-
- } else if (cg_pid_get_user_unit(pid, &t) >= 0) {
- core_unit = strjoina("COREDUMP_USER_UNIT=", t);
- free(t);
- }
-
- if (core_unit)
- IOVEC_SET_STRING(iovec[j++], core_unit);
-
- /* OK, now we know it's not the journal, hence we can make use
- * of it now. */
- log_set_target(LOG_TARGET_JOURNAL_OR_KMSG);
- log_open();
-
- core_pid = strjoina("COREDUMP_PID=", info[INFO_PID]);
- IOVEC_SET_STRING(iovec[j++], core_pid);
-
- core_uid = strjoina("COREDUMP_UID=", info[INFO_UID]);
- IOVEC_SET_STRING(iovec[j++], core_uid);
-
- core_gid = strjoina("COREDUMP_GID=", info[INFO_GID]);
- IOVEC_SET_STRING(iovec[j++], core_gid);
-
- core_signal = strjoina("COREDUMP_SIGNAL=", info[INFO_SIGNAL]);
- IOVEC_SET_STRING(iovec[j++], core_signal);
-
- if (sd_pid_get_session(pid, &t) >= 0) {
- core_session = strjoina("COREDUMP_SESSION=", t);
- free(t);
-
- IOVEC_SET_STRING(iovec[j++], core_session);
- }
-
- if (sd_pid_get_owner_uid(pid, &owner_uid) >= 0) {
- r = asprintf(&core_owner_uid,
- "COREDUMP_OWNER_UID=" UID_FMT, owner_uid);
- if (r > 0)
- IOVEC_SET_STRING(iovec[j++], core_owner_uid);
- }
-
- if (sd_pid_get_slice(pid, &t) >= 0) {
- core_slice = strjoina("COREDUMP_SLICE=", t);
- free(t);
-
- IOVEC_SET_STRING(iovec[j++], core_slice);
- }
-
- if (comm) {
- core_comm = strjoina("COREDUMP_COMM=", comm);
- IOVEC_SET_STRING(iovec[j++], core_comm);
- }
-
- if (exe) {
- core_exe = strjoina("COREDUMP_EXE=", exe);
- IOVEC_SET_STRING(iovec[j++], core_exe);
- }
-
- if (get_process_cmdline(pid, 0, false, &t) >= 0) {
- core_cmdline = strjoina("COREDUMP_CMDLINE=", t);
- free(t);
-
- IOVEC_SET_STRING(iovec[j++], core_cmdline);
- }
-
- if (cg_pid_get_path_shifted(pid, NULL, &t) >= 0) {
- core_cgroup = strjoina("COREDUMP_CGROUP=", t);
- free(t);
-
- IOVEC_SET_STRING(iovec[j++], core_cgroup);
- }
-
- if (compose_open_fds(pid, &t) >= 0) {
- core_open_fds = strappend("COREDUMP_OPEN_FDS=", t);
- free(t);
-
- if (core_open_fds)
- IOVEC_SET_STRING(iovec[j++], core_open_fds);
- }
-
- p = procfs_file_alloca(pid, "status");
- if (read_full_file(p, &t, NULL) >= 0) {
- core_proc_status = strappend("COREDUMP_PROC_STATUS=", t);
- free(t);
-
- if (core_proc_status)
- IOVEC_SET_STRING(iovec[j++], core_proc_status);
- }
-
- p = procfs_file_alloca(pid, "maps");
- if (read_full_file(p, &t, NULL) >= 0) {
- core_proc_maps = strappend("COREDUMP_PROC_MAPS=", t);
- free(t);
-
- if (core_proc_maps)
- IOVEC_SET_STRING(iovec[j++], core_proc_maps);
- }
-
- p = procfs_file_alloca(pid, "limits");
- if (read_full_file(p, &t, NULL) >= 0) {
- core_proc_limits = strappend("COREDUMP_PROC_LIMITS=", t);
- free(t);
-
- if (core_proc_limits)
- IOVEC_SET_STRING(iovec[j++], core_proc_limits);
- }
-
- p = procfs_file_alloca(pid, "cgroup");
- if (read_full_file(p, &t, NULL) >=0) {
- core_proc_cgroup = strappend("COREDUMP_PROC_CGROUP=", t);
- free(t);
-
- if (core_proc_cgroup)
- IOVEC_SET_STRING(iovec[j++], core_proc_cgroup);
- }
-
- if (get_process_cwd(pid, &t) >= 0) {
- core_cwd = strjoina("COREDUMP_CWD=", t);
- free(t);
-
- IOVEC_SET_STRING(iovec[j++], core_cwd);
- }
-
- if (get_process_root(pid, &t) >= 0) {
- core_root = strjoina("COREDUMP_ROOT=", t);
- free(t);
-
- IOVEC_SET_STRING(iovec[j++], core_root);
- }
-
- if (get_process_environ(pid, &t) >= 0) {
- core_environ = strappend("COREDUMP_ENVIRON=", t);
- free(t);
-
- if (core_environ)
- IOVEC_SET_STRING(iovec[j++], core_environ);
- }
-
- core_timestamp = strjoin("COREDUMP_TIMESTAMP=", info[INFO_TIMESTAMP], "000000", NULL);
- if (core_timestamp)
- IOVEC_SET_STRING(iovec[j++], core_timestamp);
-
- IOVEC_SET_STRING(iovec[j++], "MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1");
-
- assert_cc(2 == LOG_CRIT);
- IOVEC_SET_STRING(iovec[j++], "PRIORITY=2");
-
- /* Vacuum before we write anything again */
- coredump_vacuum(-1, arg_keep_free, arg_max_use);
-
- /* Always stream the coredump to disk, if that's possible */
- r = save_external_coredump(info, uid, &filename, &coredump_node_fd, &coredump_fd, &coredump_size);
- if (r < 0)
- /* skip whole core dumping part */
- goto log;
-
- /* If we don't want to keep the coredump on disk, remove it
- * now, as later on we will lack the privileges for
- * it. However, we keep the fd to it, so that we can still
- * process it and log it. */
- r = maybe_remove_external_coredump(filename, coredump_size);
- if (r < 0)
- goto finish;
- if (r == 0) {
- const char *coredump_filename;
-
- coredump_filename = strjoina("COREDUMP_FILENAME=", filename);
- IOVEC_SET_STRING(iovec[j++], coredump_filename);
- }
-
- /* Vacuum again, but exclude the coredump we just created */
- coredump_vacuum(coredump_node_fd >= 0 ? coredump_node_fd : coredump_fd, arg_keep_free, arg_max_use);
-
- /* Now, let's drop privileges to become the user who owns the
- * segfaulted process and allocate the coredump memory under
- * the user's uid. This also ensures that the credentials
- * journald will see are the ones of the coredumping user,
- * thus making sure the user gets access to the core
- * dump. Let's also get rid of all capabilities, if we run as
- * root, we won't need them anymore. */
- r = drop_privileges(uid, gid, 0);
- if (r < 0) {
- log_error_errno(r, "Failed to drop privileges: %m");
- goto finish;
- }
-
-#ifdef HAVE_ELFUTILS
- /* Try to get a strack trace if we can */
- if (coredump_size <= arg_process_size_max) {
- _cleanup_free_ char *stacktrace = NULL;
-
- r = coredump_make_stack_trace(coredump_fd, exe, &stacktrace);
- if (r >= 0)
- core_message = strjoin("MESSAGE=Process ", info[INFO_PID], " (", comm, ") of user ", info[INFO_UID], " dumped core.\n\n", stacktrace, NULL);
- else if (r == -EINVAL)
- log_warning("Failed to generate stack trace: %s", dwfl_errmsg(dwfl_errno()));
- else
- log_warning_errno(r, "Failed to generate stack trace: %m");
- }
-
- if (!core_message)
-#endif
-log:
- core_message = strjoin("MESSAGE=Process ", info[INFO_PID], " (", comm, ") of user ", info[INFO_UID], " dumped core.", NULL);
- if (core_message)
- IOVEC_SET_STRING(iovec[j++], core_message);
-
- /* Optionally store the entire coredump in the journal */
- if (IN_SET(arg_storage, COREDUMP_STORAGE_JOURNAL, COREDUMP_STORAGE_BOTH) &&
- coredump_size <= arg_journal_size_max) {
- size_t sz = 0;
-
- /* Store the coredump itself in the journal */
-
- r = allocate_journal_field(coredump_fd, (size_t) coredump_size, &coredump_data, &sz);
- if (r >= 0) {
- iovec[j].iov_base = coredump_data;
- iovec[j].iov_len = sz;
- j++;
- }
- }
-
- r = sd_journal_sendv(iovec, j);
- if (r < 0)
- log_error_errno(r, "Failed to log coredump: %m");
-
-finish:
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
-}
diff --git a/src/journal/coredump.conf b/src/journal/coredump.conf
deleted file mode 100644
index c2f0643e03..0000000000
--- a/src/journal/coredump.conf
+++ /dev/null
@@ -1,21 +0,0 @@
-# This file is part of systemd.
-#
-# 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.
-#
-# Entries in this file show the compile time defaults.
-# You can change settings by editing this file.
-# Defaults can be restored by simply deleting this file.
-#
-# See coredump.conf(5) for details.
-
-[Coredump]
-#Storage=external
-#Compress=yes
-#ProcessSizeMax=2G
-#ExternalSizeMax=2G
-#JournalSizeMax=767M
-#MaxUse=
-#KeepFree=
diff --git a/src/journal/coredumpctl.c b/src/journal/coredumpctl.c
deleted file mode 100644
index 0034a1a0ac..0000000000
--- a/src/journal/coredumpctl.c
+++ /dev/null
@@ -1,880 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2012 Zbigniew Jędrzejewski-Szmek
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <fcntl.h>
-#include <getopt.h>
-#include <locale.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "sd-journal.h"
-
-#include "alloc-util.h"
-#include "compress.h"
-#include "fd-util.h"
-#include "fileio.h"
-#include "journal-internal.h"
-#include "log.h"
-#include "macro.h"
-#include "pager.h"
-#include "parse-util.h"
-#include "path-util.h"
-#include "process-util.h"
-#include "set.h"
-#include "sigbus.h"
-#include "signal-util.h"
-#include "string-util.h"
-#include "terminal-util.h"
-#include "user-util.h"
-#include "util.h"
-
-static enum {
- ACTION_NONE,
- ACTION_INFO,
- ACTION_LIST,
- ACTION_DUMP,
- ACTION_GDB,
-} arg_action = ACTION_LIST;
-static const char* arg_field = NULL;
-static const char *arg_directory = NULL;
-static int arg_no_pager = false;
-static int arg_no_legend = false;
-static int arg_one = false;
-static FILE* arg_output = NULL;
-
-static Set *new_matches(void) {
- Set *set;
- char *tmp;
- int r;
-
- set = set_new(NULL);
- if (!set) {
- log_oom();
- return NULL;
- }
-
- tmp = strdup("MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1");
- if (!tmp) {
- log_oom();
- set_free(set);
- return NULL;
- }
-
- r = set_consume(set, tmp);
- if (r < 0) {
- log_error_errno(r, "failed to add to set: %m");
- set_free(set);
- return NULL;
- }
-
- return set;
-}
-
-static int add_match(Set *set, const char *match) {
- _cleanup_free_ char *p = NULL;
- char *pattern = NULL;
- const char* prefix;
- pid_t pid;
- int r;
-
- if (strchr(match, '='))
- prefix = "";
- else if (strchr(match, '/')) {
- r = path_make_absolute_cwd(match, &p);
- if (r < 0)
- goto fail;
- match = p;
- prefix = "COREDUMP_EXE=";
- } else if (parse_pid(match, &pid) >= 0)
- prefix = "COREDUMP_PID=";
- else
- prefix = "COREDUMP_COMM=";
-
- pattern = strjoin(prefix, match, NULL);
- if (!pattern) {
- r = -ENOMEM;
- goto fail;
- }
-
- log_debug("Adding pattern: %s", pattern);
- r = set_consume(set, pattern);
- if (r < 0)
- goto fail;
-
- return 0;
-fail:
- return log_error_errno(r, "Failed to add match: %m");
-}
-
-static void help(void) {
- printf("%s [OPTIONS...]\n\n"
- "List or retrieve coredumps from the journal.\n\n"
- "Flags:\n"
- " -h --help Show this help\n"
- " --version Print version string\n"
- " --no-pager Do not pipe output into a pager\n"
- " --no-legend Do not print the column headers.\n"
- " -1 Show information about most recent entry only\n"
- " -F --field=FIELD List all values a certain field takes\n"
- " -o --output=FILE Write output to FILE\n\n"
- " -D --directory=DIR Use journal files from directory\n\n"
-
- "Commands:\n"
- " list [MATCHES...] List available coredumps (default)\n"
- " info [MATCHES...] Show detailed information about one or more coredumps\n"
- " dump [MATCHES...] Print first matching coredump to stdout\n"
- " gdb [MATCHES...] Start gdb for the first matching coredump\n"
- , program_invocation_short_name);
-}
-
-static int parse_argv(int argc, char *argv[], Set *matches) {
- enum {
- ARG_VERSION = 0x100,
- ARG_NO_PAGER,
- ARG_NO_LEGEND,
- };
-
- int r, c;
-
- static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version" , no_argument, NULL, ARG_VERSION },
- { "no-pager", no_argument, NULL, ARG_NO_PAGER },
- { "no-legend", no_argument, NULL, ARG_NO_LEGEND },
- { "output", required_argument, NULL, 'o' },
- { "field", required_argument, NULL, 'F' },
- { "directory", required_argument, NULL, 'D' },
- {}
- };
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "ho:F:1D:", options, NULL)) >= 0)
- switch(c) {
-
- case 'h':
- arg_action = ACTION_NONE;
- help();
- return 0;
-
- case ARG_VERSION:
- arg_action = ACTION_NONE;
- return version();
-
- case ARG_NO_PAGER:
- arg_no_pager = true;
- break;
-
- case ARG_NO_LEGEND:
- arg_no_legend = true;
- break;
-
- case 'o':
- if (arg_output) {
- log_error("cannot set output more than once");
- return -EINVAL;
- }
-
- arg_output = fopen(optarg, "we");
- if (!arg_output)
- return log_error_errno(errno, "writing to '%s': %m", optarg);
-
- break;
-
- case 'F':
- if (arg_field) {
- log_error("cannot use --field/-F more than once");
- return -EINVAL;
- }
- arg_field = optarg;
- break;
-
- case '1':
- arg_one = true;
- break;
-
- case 'D':
- arg_directory = optarg;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- assert_not_reached("Unhandled option");
- }
-
- if (optind < argc) {
- const char *cmd = argv[optind++];
- if (streq(cmd, "list"))
- arg_action = ACTION_LIST;
- else if (streq(cmd, "dump"))
- arg_action = ACTION_DUMP;
- else if (streq(cmd, "gdb"))
- arg_action = ACTION_GDB;
- else if (streq(cmd, "info"))
- arg_action = ACTION_INFO;
- else {
- log_error("Unknown action '%s'", cmd);
- return -EINVAL;
- }
- }
-
- if (arg_field && arg_action != ACTION_LIST) {
- log_error("Option --field/-F only makes sense with list");
- return -EINVAL;
- }
-
- while (optind < argc) {
- r = add_match(matches, argv[optind]);
- if (r != 0)
- return r;
- optind++;
- }
-
- return 0;
-}
-
-static int retrieve(const void *data,
- size_t len,
- const char *name,
- char **var) {
-
- size_t ident;
- char *v;
-
- ident = strlen(name) + 1; /* name + "=" */
-
- if (len < ident)
- return 0;
-
- if (memcmp(data, name, ident - 1) != 0)
- return 0;
-
- if (((const char*) data)[ident - 1] != '=')
- return 0;
-
- v = strndup((const char*)data + ident, len - ident);
- if (!v)
- return log_oom();
-
- free(*var);
- *var = v;
-
- return 0;
-}
-
-static void print_field(FILE* file, sd_journal *j) {
- _cleanup_free_ char *value = NULL;
- const void *d;
- size_t l;
-
- assert(file);
- assert(j);
-
- assert(arg_field);
-
- SD_JOURNAL_FOREACH_DATA(j, d, l)
- retrieve(d, l, arg_field, &value);
-
- if (value)
- fprintf(file, "%s\n", value);
-}
-
-static int print_list(FILE* file, sd_journal *j, int had_legend) {
- _cleanup_free_ char
- *pid = NULL, *uid = NULL, *gid = NULL,
- *sgnl = NULL, *exe = NULL, *comm = NULL, *cmdline = NULL,
- *filename = NULL;
- const void *d;
- size_t l;
- usec_t t;
- char buf[FORMAT_TIMESTAMP_MAX];
- int r;
- bool present;
-
- assert(file);
- assert(j);
-
- SD_JOURNAL_FOREACH_DATA(j, d, l) {
- retrieve(d, l, "COREDUMP_PID", &pid);
- retrieve(d, l, "COREDUMP_UID", &uid);
- retrieve(d, l, "COREDUMP_GID", &gid);
- retrieve(d, l, "COREDUMP_SIGNAL", &sgnl);
- retrieve(d, l, "COREDUMP_EXE", &exe);
- retrieve(d, l, "COREDUMP_COMM", &comm);
- retrieve(d, l, "COREDUMP_CMDLINE", &cmdline);
- retrieve(d, l, "COREDUMP_FILENAME", &filename);
- }
-
- if (!pid && !uid && !gid && !sgnl && !exe && !comm && !cmdline && !filename) {
- log_warning("Empty coredump log entry");
- return -EINVAL;
- }
-
- r = sd_journal_get_realtime_usec(j, &t);
- if (r < 0)
- return log_error_errno(r, "Failed to get realtime timestamp: %m");
-
- format_timestamp(buf, sizeof(buf), t);
- present = filename && access(filename, F_OK) == 0;
-
- if (!had_legend && !arg_no_legend)
- fprintf(file, "%-*s %*s %*s %*s %*s %*s %s\n",
- FORMAT_TIMESTAMP_WIDTH, "TIME",
- 6, "PID",
- 5, "UID",
- 5, "GID",
- 3, "SIG",
- 1, "PRESENT",
- "EXE");
-
- fprintf(file, "%-*s %*s %*s %*s %*s %*s %s\n",
- FORMAT_TIMESTAMP_WIDTH, buf,
- 6, strna(pid),
- 5, strna(uid),
- 5, strna(gid),
- 3, strna(sgnl),
- 1, present ? "*" : "",
- strna(exe ?: (comm ?: cmdline)));
-
- return 0;
-}
-
-static int print_info(FILE *file, sd_journal *j, bool need_space) {
- _cleanup_free_ char
- *pid = NULL, *uid = NULL, *gid = NULL,
- *sgnl = NULL, *exe = NULL, *comm = NULL, *cmdline = NULL,
- *unit = NULL, *user_unit = NULL, *session = NULL,
- *boot_id = NULL, *machine_id = NULL, *hostname = NULL,
- *slice = NULL, *cgroup = NULL, *owner_uid = NULL,
- *message = NULL, *timestamp = NULL, *filename = NULL;
- const void *d;
- size_t l;
- int r;
-
- assert(file);
- assert(j);
-
- SD_JOURNAL_FOREACH_DATA(j, d, l) {
- retrieve(d, l, "COREDUMP_PID", &pid);
- retrieve(d, l, "COREDUMP_UID", &uid);
- retrieve(d, l, "COREDUMP_GID", &gid);
- retrieve(d, l, "COREDUMP_SIGNAL", &sgnl);
- retrieve(d, l, "COREDUMP_EXE", &exe);
- retrieve(d, l, "COREDUMP_COMM", &comm);
- retrieve(d, l, "COREDUMP_CMDLINE", &cmdline);
- retrieve(d, l, "COREDUMP_UNIT", &unit);
- retrieve(d, l, "COREDUMP_USER_UNIT", &user_unit);
- retrieve(d, l, "COREDUMP_SESSION", &session);
- retrieve(d, l, "COREDUMP_OWNER_UID", &owner_uid);
- retrieve(d, l, "COREDUMP_SLICE", &slice);
- retrieve(d, l, "COREDUMP_CGROUP", &cgroup);
- retrieve(d, l, "COREDUMP_TIMESTAMP", &timestamp);
- retrieve(d, l, "COREDUMP_FILENAME", &filename);
- retrieve(d, l, "_BOOT_ID", &boot_id);
- retrieve(d, l, "_MACHINE_ID", &machine_id);
- retrieve(d, l, "_HOSTNAME", &hostname);
- retrieve(d, l, "MESSAGE", &message);
- }
-
- if (need_space)
- fputs("\n", file);
-
- if (comm)
- fprintf(file,
- " PID: %s%s%s (%s)\n",
- ansi_highlight(), strna(pid), ansi_normal(), comm);
- else
- fprintf(file,
- " PID: %s%s%s\n",
- ansi_highlight(), strna(pid), ansi_normal());
-
- if (uid) {
- uid_t n;
-
- if (parse_uid(uid, &n) >= 0) {
- _cleanup_free_ char *u = NULL;
-
- u = uid_to_name(n);
- fprintf(file,
- " UID: %s (%s)\n",
- uid, u);
- } else {
- fprintf(file,
- " UID: %s\n",
- uid);
- }
- }
-
- if (gid) {
- gid_t n;
-
- if (parse_gid(gid, &n) >= 0) {
- _cleanup_free_ char *g = NULL;
-
- g = gid_to_name(n);
- fprintf(file,
- " GID: %s (%s)\n",
- gid, g);
- } else {
- fprintf(file,
- " GID: %s\n",
- gid);
- }
- }
-
- if (sgnl) {
- int sig;
-
- if (safe_atoi(sgnl, &sig) >= 0)
- fprintf(file, " Signal: %s (%s)\n", sgnl, signal_to_string(sig));
- else
- fprintf(file, " Signal: %s\n", sgnl);
- }
-
- if (timestamp) {
- usec_t u;
-
- r = safe_atou64(timestamp, &u);
- if (r >= 0) {
- char absolute[FORMAT_TIMESTAMP_MAX], relative[FORMAT_TIMESPAN_MAX];
-
- fprintf(file,
- " Timestamp: %s (%s)\n",
- format_timestamp(absolute, sizeof(absolute), u),
- format_timestamp_relative(relative, sizeof(relative), u));
-
- } else
- fprintf(file, " Timestamp: %s\n", timestamp);
- }
-
- if (cmdline)
- fprintf(file, " Command Line: %s\n", cmdline);
- if (exe)
- fprintf(file, " Executable: %s%s%s\n", ansi_highlight(), exe, ansi_normal());
- if (cgroup)
- fprintf(file, " Control Group: %s\n", cgroup);
- if (unit)
- fprintf(file, " Unit: %s\n", unit);
- if (user_unit)
- fprintf(file, " User Unit: %s\n", unit);
- if (slice)
- fprintf(file, " Slice: %s\n", slice);
- if (session)
- fprintf(file, " Session: %s\n", session);
- if (owner_uid) {
- uid_t n;
-
- if (parse_uid(owner_uid, &n) >= 0) {
- _cleanup_free_ char *u = NULL;
-
- u = uid_to_name(n);
- fprintf(file,
- " Owner UID: %s (%s)\n",
- owner_uid, u);
- } else {
- fprintf(file,
- " Owner UID: %s\n",
- owner_uid);
- }
- }
- if (boot_id)
- fprintf(file, " Boot ID: %s\n", boot_id);
- if (machine_id)
- fprintf(file, " Machine ID: %s\n", machine_id);
- if (hostname)
- fprintf(file, " Hostname: %s\n", hostname);
-
- if (filename && access(filename, F_OK) == 0)
- fprintf(file, " Coredump: %s\n", filename);
-
- if (message) {
- _cleanup_free_ char *m = NULL;
-
- m = strreplace(message, "\n", "\n ");
-
- fprintf(file, " Message: %s\n", strstrip(m ?: message));
- }
-
- return 0;
-}
-
-static int focus(sd_journal *j) {
- int r;
-
- r = sd_journal_seek_tail(j);
- if (r == 0)
- r = sd_journal_previous(j);
- if (r < 0)
- return log_error_errno(r, "Failed to search journal: %m");
- if (r == 0) {
- log_error("No match found.");
- return -ESRCH;
- }
- return r;
-}
-
-static void print_entry(sd_journal *j, unsigned n_found) {
- assert(j);
-
- if (arg_action == ACTION_INFO)
- print_info(stdout, j, n_found);
- else if (arg_field)
- print_field(stdout, j);
- else
- print_list(stdout, j, n_found);
-}
-
-static int dump_list(sd_journal *j) {
- unsigned n_found = 0;
- int r;
-
- assert(j);
-
- /* The coredumps are likely to compressed, and for just
- * listing them we don't need to decompress them, so let's
- * pick a fairly low data threshold here */
- sd_journal_set_data_threshold(j, 4096);
-
- if (arg_one) {
- r = focus(j);
- if (r < 0)
- return r;
-
- print_entry(j, 0);
- } else {
- SD_JOURNAL_FOREACH(j)
- print_entry(j, n_found++);
-
- if (!arg_field && n_found <= 0) {
- log_notice("No coredumps found.");
- return -ESRCH;
- }
- }
-
- return 0;
-}
-
-static int save_core(sd_journal *j, int fd, char **path, bool *unlink_temp) {
- const char *data;
- _cleanup_free_ char *filename = NULL;
- size_t len;
- int r;
-
- assert((fd >= 0) != !!path);
- assert(!!path == !!unlink_temp);
-
- /* Prefer uncompressed file to journal (probably cached) to
- * compressed file (probably uncached). */
- r = sd_journal_get_data(j, "COREDUMP_FILENAME", (const void**) &data, &len);
- if (r < 0 && r != -ENOENT)
- log_warning_errno(r, "Failed to retrieve COREDUMP_FILENAME: %m");
- else if (r == 0)
- retrieve(data, len, "COREDUMP_FILENAME", &filename);
-
- if (filename && access(filename, R_OK) < 0) {
- log_full(errno == ENOENT ? LOG_DEBUG : LOG_WARNING,
- "File %s is not readable: %m", filename);
- filename = mfree(filename);
- }
-
- if (filename && !endswith(filename, ".xz") && !endswith(filename, ".lz4")) {
- if (path) {
- *path = filename;
- filename = NULL;
- }
-
- return 0;
- } else {
- _cleanup_close_ int fdt = -1;
- char *temp = NULL;
-
- if (fd < 0) {
- temp = strdup("/var/tmp/coredump-XXXXXX");
- if (!temp)
- return log_oom();
-
- fdt = mkostemp_safe(temp, O_WRONLY|O_CLOEXEC);
- if (fdt < 0)
- return log_error_errno(fdt, "Failed to create temporary file: %m");
- log_debug("Created temporary file %s", temp);
-
- fd = fdt;
- }
-
- r = sd_journal_get_data(j, "COREDUMP", (const void**) &data, &len);
- if (r == 0) {
- ssize_t sz;
-
- assert(len >= 9);
- data += 9;
- len -= 9;
-
- sz = write(fdt, data, len);
- if (sz < 0) {
- r = log_error_errno(errno,
- "Failed to write temporary file: %m");
- goto error;
- }
- if (sz != (ssize_t) len) {
- log_error("Short write to temporary file.");
- r = -EIO;
- goto error;
- }
- } else if (filename) {
-#if defined(HAVE_XZ) || defined(HAVE_LZ4)
- _cleanup_close_ int fdf;
-
- fdf = open(filename, O_RDONLY | O_CLOEXEC);
- if (fdf < 0) {
- r = log_error_errno(errno,
- "Failed to open %s: %m",
- filename);
- goto error;
- }
-
- r = decompress_stream(filename, fdf, fd, -1);
- if (r < 0) {
- log_error_errno(r, "Failed to decompress %s: %m", filename);
- goto error;
- }
-#else
- log_error("Cannot decompress file. Compiled without compression support.");
- r = -EOPNOTSUPP;
- goto error;
-#endif
- } else {
- if (r == -ENOENT)
- log_error("Cannot retrieve coredump from journal nor disk.");
- else
- log_error_errno(r, "Failed to retrieve COREDUMP field: %m");
- goto error;
- }
-
- if (temp) {
- *path = temp;
- *unlink_temp = true;
- }
-
- return 0;
-
-error:
- if (temp) {
- unlink(temp);
- log_debug("Removed temporary file %s", temp);
- }
- return r;
- }
-}
-
-static int dump_core(sd_journal* j) {
- int r;
-
- assert(j);
-
- r = focus(j);
- if (r < 0)
- return r;
-
- print_info(arg_output ? stdout : stderr, j, false);
-
- if (on_tty() && !arg_output) {
- log_error("Refusing to dump core to tty.");
- return -ENOTTY;
- }
-
- r = save_core(j, arg_output ? fileno(arg_output) : STDOUT_FILENO, NULL, NULL);
- if (r < 0)
- return log_error_errno(r, "Coredump retrieval failed: %m");
-
- r = sd_journal_previous(j);
- if (r >= 0)
- log_warning("More than one entry matches, ignoring rest.");
-
- return 0;
-}
-
-static int run_gdb(sd_journal *j) {
- _cleanup_free_ char *exe = NULL, *path = NULL;
- bool unlink_path = false;
- const char *data;
- siginfo_t st;
- size_t len;
- pid_t pid;
- int r;
-
- assert(j);
-
- r = focus(j);
- if (r < 0)
- return r;
-
- print_info(stdout, j, false);
- fputs("\n", stdout);
-
- r = sd_journal_get_data(j, "COREDUMP_EXE", (const void**) &data, &len);
- if (r < 0)
- return log_error_errno(r, "Failed to retrieve COREDUMP_EXE field: %m");
-
- assert(len > strlen("COREDUMP_EXE="));
- data += strlen("COREDUMP_EXE=");
- len -= strlen("COREDUMP_EXE=");
-
- exe = strndup(data, len);
- if (!exe)
- return log_oom();
-
- if (endswith(exe, " (deleted)")) {
- log_error("Binary already deleted.");
- return -ENOENT;
- }
-
- if (!path_is_absolute(exe)) {
- log_error("Binary is not an absolute path.");
- return -ENOENT;
- }
-
- r = save_core(j, -1, &path, &unlink_path);
- if (r < 0)
- return log_error_errno(r, "Failed to retrieve core: %m");
-
- pid = fork();
- if (pid < 0) {
- r = log_error_errno(errno, "Failed to fork(): %m");
- goto finish;
- }
- if (pid == 0) {
- (void) reset_all_signal_handlers();
- (void) reset_signal_mask();
-
- execlp("gdb", "gdb", exe, path, NULL);
-
- log_error_errno(errno, "Failed to invoke gdb: %m");
- _exit(1);
- }
-
- r = wait_for_terminate(pid, &st);
- if (r < 0) {
- log_error_errno(r, "Failed to wait for gdb: %m");
- goto finish;
- }
-
- r = st.si_code == CLD_EXITED ? st.si_status : 255;
-
-finish:
- if (unlink_path) {
- log_debug("Removed temporary file %s", path);
- unlink(path);
- }
-
- return r;
-}
-
-int main(int argc, char *argv[]) {
- _cleanup_(sd_journal_closep) sd_journal*j = NULL;
- const char* match;
- Iterator it;
- int r = 0;
- _cleanup_set_free_free_ Set *matches = NULL;
-
- setlocale(LC_ALL, "");
- log_parse_environment();
- log_open();
-
- matches = new_matches();
- if (!matches) {
- r = -ENOMEM;
- goto end;
- }
-
- r = parse_argv(argc, argv, matches);
- if (r < 0)
- goto end;
-
- if (arg_action == ACTION_NONE)
- goto end;
-
- sigbus_install();
-
- if (arg_directory) {
- r = sd_journal_open_directory(&j, arg_directory, 0);
- if (r < 0) {
- log_error_errno(r, "Failed to open journals in directory: %s: %m", arg_directory);
- goto end;
- }
- } else {
- r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY);
- if (r < 0) {
- log_error_errno(r, "Failed to open journal: %m");
- goto end;
- }
- }
-
- /* We want full data, nothing truncated. */
- sd_journal_set_data_threshold(j, 0);
-
- SET_FOREACH(match, matches, it) {
- r = sd_journal_add_match(j, match, strlen(match));
- if (r != 0) {
- log_error_errno(r, "Failed to add match '%s': %m",
- match);
- goto end;
- }
- }
-
- if (_unlikely_(log_get_max_level() >= LOG_DEBUG)) {
- _cleanup_free_ char *filter;
-
- filter = journal_make_match_string(j);
- log_debug("Journal filter: %s", filter);
- }
-
- switch(arg_action) {
-
- case ACTION_LIST:
- case ACTION_INFO:
- if (!arg_no_pager)
- pager_open(false);
-
- r = dump_list(j);
- break;
-
- case ACTION_DUMP:
- r = dump_core(j);
- break;
-
- case ACTION_GDB:
- r = run_gdb(j);
- break;
-
- default:
- assert_not_reached("Shouldn't be here");
- }
-
-end:
- pager_close();
-
- if (arg_output)
- fclose(arg_output);
-
- return r >= 0 ? r : EXIT_FAILURE;
-}
diff --git a/src/journal/stacktrace.c b/src/journal/stacktrace.c
deleted file mode 100644
index 68806992fc..0000000000
--- a/src/journal/stacktrace.c
+++ /dev/null
@@ -1,200 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2014 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 <dwarf.h>
-#include <elfutils/libdwfl.h>
-
-#include "alloc-util.h"
-#include "fd-util.h"
-#include "formats-util.h"
-#include "macro.h"
-#include "stacktrace.h"
-#include "string-util.h"
-#include "util.h"
-
-#define FRAMES_MAX 64
-#define THREADS_MAX 64
-
-struct stack_context {
- FILE *f;
- Dwfl *dwfl;
- Elf *elf;
- unsigned n_thread;
- unsigned n_frame;
-};
-
-static int frame_callback(Dwfl_Frame *frame, void *userdata) {
- struct stack_context *c = userdata;
- Dwarf_Addr pc, pc_adjusted, bias = 0;
- _cleanup_free_ Dwarf_Die *scopes = NULL;
- const char *fname = NULL, *symbol = NULL;
- Dwfl_Module *module;
- bool is_activation;
-
- assert(frame);
- assert(c);
-
- if (c->n_frame >= FRAMES_MAX)
- return DWARF_CB_ABORT;
-
- if (!dwfl_frame_pc(frame, &pc, &is_activation))
- return DWARF_CB_ABORT;
-
- pc_adjusted = pc - (is_activation ? 0 : 1);
-
- module = dwfl_addrmodule(c->dwfl, pc_adjusted);
- if (module) {
- Dwarf_Die *s, *cudie;
- int n;
-
- cudie = dwfl_module_addrdie(module, pc_adjusted, &bias);
- if (cudie) {
- n = dwarf_getscopes(cudie, pc_adjusted - bias, &scopes);
- for (s = scopes; s < scopes + n; s++) {
- if (IN_SET(dwarf_tag(s), DW_TAG_subprogram, DW_TAG_inlined_subroutine, DW_TAG_entry_point)) {
- Dwarf_Attribute *a, space;
-
- a = dwarf_attr_integrate(s, DW_AT_MIPS_linkage_name, &space);
- if (!a)
- a = dwarf_attr_integrate(s, DW_AT_linkage_name, &space);
- if (a)
- symbol = dwarf_formstring(a);
- if (!symbol)
- symbol = dwarf_diename(s);
-
- if (symbol)
- break;
- }
- }
- }
-
- if (!symbol)
- symbol = dwfl_module_addrname(module, pc_adjusted);
-
- fname = dwfl_module_info(module, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
- }
-
- fprintf(c->f, "#%-2u 0x%016" PRIx64 " %s (%s)\n", c->n_frame, (uint64_t) pc, strna(symbol), strna(fname));
- c->n_frame ++;
-
- return DWARF_CB_OK;
-}
-
-static int thread_callback(Dwfl_Thread *thread, void *userdata) {
- struct stack_context *c = userdata;
- pid_t tid;
-
- assert(thread);
- assert(c);
-
- if (c->n_thread >= THREADS_MAX)
- return DWARF_CB_ABORT;
-
- if (c->n_thread != 0)
- fputc('\n', c->f);
-
- c->n_frame = 0;
-
- tid = dwfl_thread_tid(thread);
- fprintf(c->f, "Stack trace of thread " PID_FMT ":\n", tid);
-
- if (dwfl_thread_getframes(thread, frame_callback, c) < 0)
- return DWARF_CB_ABORT;
-
- c->n_thread ++;
-
- return DWARF_CB_OK;
-}
-
-int coredump_make_stack_trace(int fd, const char *executable, char **ret) {
-
- static const Dwfl_Callbacks callbacks = {
- .find_elf = dwfl_build_id_find_elf,
- .find_debuginfo = dwfl_standard_find_debuginfo,
- };
-
- struct stack_context c = {};
- char *buf = NULL;
- size_t sz = 0;
- int r;
-
- assert(fd >= 0);
- assert(ret);
-
- if (lseek(fd, 0, SEEK_SET) == (off_t) -1)
- return -errno;
-
- c.f = open_memstream(&buf, &sz);
- if (!c.f)
- return -ENOMEM;
-
- elf_version(EV_CURRENT);
-
- c.elf = elf_begin(fd, ELF_C_READ_MMAP, NULL);
- if (!c.elf) {
- r = -EINVAL;
- goto finish;
- }
-
- c.dwfl = dwfl_begin(&callbacks);
- if (!c.dwfl) {
- r = -EINVAL;
- goto finish;
- }
-
- if (dwfl_core_file_report(c.dwfl, c.elf, executable) < 0) {
- r = -EINVAL;
- goto finish;
- }
-
- if (dwfl_report_end(c.dwfl, NULL, NULL) != 0) {
- r = -EINVAL;
- goto finish;
- }
-
- if (dwfl_core_file_attach(c.dwfl, c.elf) < 0) {
- r = -EINVAL;
- goto finish;
- }
-
- if (dwfl_getthreads(c.dwfl, thread_callback, &c) < 0) {
- r = -EINVAL;
- goto finish;
- }
-
- c.f = safe_fclose(c.f);
-
- *ret = buf;
- buf = NULL;
-
- r = 0;
-
-finish:
- if (c.dwfl)
- dwfl_end(c.dwfl);
-
- if (c.elf)
- elf_end(c.elf);
-
- safe_fclose(c.f);
-
- free(buf);
-
- return r;
-}
diff --git a/src/journal/stacktrace.h b/src/journal/stacktrace.h
deleted file mode 100644
index 15e9c04465..0000000000
--- a/src/journal/stacktrace.h
+++ /dev/null
@@ -1,22 +0,0 @@
-#pragma once
-
-/***
- This file is part of systemd.
-
- Copyright 2014 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/>.
-***/
-
-int coredump_make_stack_trace(int fd, const char *executable, char **ret);
diff --git a/src/journal/test-coredump-vacuum.c b/src/journal/test-coredump-vacuum.c
deleted file mode 100644
index 70a57f183f..0000000000
--- a/src/journal/test-coredump-vacuum.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2012 Zbigniew Jędrzejewski-Szmek
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdlib.h>
-
-#include "coredump-vacuum.h"
-
-int main(int argc, char *argv[]) {
-
- if (coredump_vacuum(-1, (uint64_t) -1, 70 * 1024) < 0)
- return EXIT_FAILURE;
-
- return EXIT_SUCCESS;
-}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-12-16 13:23:56 +0000