#include "path-util.h"
#include "compress.h"
#include "coredump-vacuum.h"
-
-#ifdef HAVE_ACL
-# include <sys/acl.h>
-# include "acl-util.h"
-#endif
+#include "acl-util.h"
/* The maximum size up to which we process coredumps */
#define PROCESS_SIZE_MAX ((off_t) (2LLU*1024LLU*1024LLU*1024LLU))
{}
};
- return config_parse(NULL, "/etc/systemd/coredump.conf", NULL,
- "Coredump\0",
- config_item_table_lookup, items,
- false, false, true, NULL);
+ return config_parse_many("/etc/systemd/coredump.conf",
+ CONF_DIRS_NULSTR("systemd/coredump.conf"),
+ "Coredump\0",
+ config_item_table_lookup, items,
+ false, NULL);
}
static int fix_acl(int fd, uid_t uid) {
if (r < 0)
return log_error_errno(r, "Failed to determine coredump file name: %m");
- tmp = tempfn_random(fn);
- if (!tmp)
- return log_oom();
+ r = tempfn_random(fn, &tmp);
+ if (r < 0)
+ return log_error_errno(r, "Failed to determine temporary file name: %m");
mkdir_p_label("/var/lib/systemd/coredump", 0755);
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);
+ 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;
goto uncompressed;
}
- tmp_compressed = tempfn_random(fn_compressed);
- if (!tmp_compressed) {
- log_oom();
+ r = tempfn_random(fn_compressed, &tmp_compressed);
+ if (r < 0) {
+ log_error_errno(r, "Failed to determine temporary file name for %s: %m", fn_compressed);
goto uncompressed;
}
int main(int argc, char* argv[]) {
- _cleanup_free_ char *core_pid = NULL, *core_uid = NULL, *core_gid = NULL, *core_signal = NULL,
- *core_timestamp = NULL, *core_comm = NULL, *core_exe = NULL, *core_unit = NULL,
- *core_session = NULL, *core_message = NULL, *core_cmdline = NULL, *coredump_data = NULL,
- *core_slice = NULL, *core_cgroup = 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_cwd = NULL, *core_root = NULL, *core_environ = NULL,
- *exe = NULL, *comm = NULL, *filename = NULL;
+ /* 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;
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
goto finish;
}
- core_unit = strappend("COREDUMP_UNIT=", t);
- } else if (cg_pid_get_user_unit(pid, &t) >= 0)
- core_unit = strappend("COREDUMP_USER_UNIT=", t);
+ core_unit = strappenda("COREDUMP_UNIT=", t);
+ free(t);
+
+ } else if (cg_pid_get_user_unit(pid, &t) >= 0) {
+ core_unit = strappenda("COREDUMP_USER_UNIT=", t);
+ free(t);
+ }
if (core_unit)
IOVEC_SET_STRING(iovec[j++], core_unit);
log_set_target(LOG_TARGET_JOURNAL_OR_KMSG);
log_open();
- core_pid = strappend("COREDUMP_PID=", info[INFO_PID]);
- if (core_pid)
- IOVEC_SET_STRING(iovec[j++], core_pid);
+ core_pid = strappenda("COREDUMP_PID=", info[INFO_PID]);
+ IOVEC_SET_STRING(iovec[j++], core_pid);
- core_uid = strappend("COREDUMP_UID=", info[INFO_UID]);
- if (core_uid)
- IOVEC_SET_STRING(iovec[j++], core_uid);
+ core_uid = strappenda("COREDUMP_UID=", info[INFO_UID]);
+ IOVEC_SET_STRING(iovec[j++], core_uid);
- core_gid = strappend("COREDUMP_GID=", info[INFO_GID]);
- if (core_gid)
- IOVEC_SET_STRING(iovec[j++], core_gid);
+ core_gid = strappenda("COREDUMP_GID=", info[INFO_GID]);
+ IOVEC_SET_STRING(iovec[j++], core_gid);
- core_signal = strappend("COREDUMP_SIGNAL=", info[INFO_SIGNAL]);
- if (core_signal)
- IOVEC_SET_STRING(iovec[j++], core_signal);
+ core_signal = strappenda("COREDUMP_SIGNAL=", info[INFO_SIGNAL]);
+ IOVEC_SET_STRING(iovec[j++], core_signal);
if (sd_pid_get_session(pid, &t) >= 0) {
- core_session = strappend("COREDUMP_SESSION=", t);
+ core_session = strappenda("COREDUMP_SESSION=", t);
free(t);
- if (core_session)
- IOVEC_SET_STRING(iovec[j++], core_session);
+ IOVEC_SET_STRING(iovec[j++], core_session);
}
if (sd_pid_get_owner_uid(pid, &owner_uid) >= 0) {
}
if (sd_pid_get_slice(pid, &t) >= 0) {
- core_slice = strappend("COREDUMP_SLICE=", t);
+ core_slice = strappenda("COREDUMP_SLICE=", t);
free(t);
- if (core_slice)
- IOVEC_SET_STRING(iovec[j++], core_slice);
+ IOVEC_SET_STRING(iovec[j++], core_slice);
}
if (comm) {
- core_comm = strappend("COREDUMP_COMM=", comm);
- if (core_comm)
- IOVEC_SET_STRING(iovec[j++], core_comm);
+ core_comm = strappenda("COREDUMP_COMM=", comm);
+ IOVEC_SET_STRING(iovec[j++], core_comm);
}
if (exe) {
- core_exe = strappend("COREDUMP_EXE=", exe);
- if (core_exe)
- IOVEC_SET_STRING(iovec[j++], core_exe);
+ core_exe = strappenda("COREDUMP_EXE=", exe);
+ IOVEC_SET_STRING(iovec[j++], core_exe);
}
if (get_process_cmdline(pid, 0, false, &t) >= 0) {
- core_cmdline = strappend("COREDUMP_CMDLINE=", t);
+ core_cmdline = strappenda("COREDUMP_CMDLINE=", t);
free(t);
- if (core_cmdline)
- IOVEC_SET_STRING(iovec[j++], core_cmdline);
+ IOVEC_SET_STRING(iovec[j++], core_cmdline);
}
if (cg_pid_get_path_shifted(pid, NULL, &t) >= 0) {
- core_cgroup = strappend("COREDUMP_CGROUP=", t);
+ core_cgroup = strappenda("COREDUMP_CGROUP=", t);
free(t);
- if (core_cgroup)
- IOVEC_SET_STRING(iovec[j++], core_cgroup);
+ IOVEC_SET_STRING(iovec[j++], core_cgroup);
}
if (compose_open_fds(pid, &t) >= 0) {
}
if (get_process_cwd(pid, &t) >= 0) {
- core_cwd = strappend("COREDUMP_CWD=", t);
+ core_cwd = strappenda("COREDUMP_CWD=", t);
free(t);
- if (core_cwd)
- IOVEC_SET_STRING(iovec[j++], core_cwd);
+ IOVEC_SET_STRING(iovec[j++], core_cwd);
}
if (get_process_root(pid, &t) >= 0) {
- core_root = strappend("COREDUMP_ROOT=", t);
+ core_root = strappenda("COREDUMP_ROOT=", t);
free(t);
- if (core_root)
- IOVEC_SET_STRING(iovec[j++], core_root);
+ IOVEC_SET_STRING(iovec[j++], core_root);
}
if (get_process_environ(pid, &t) >= 0) {
~ianmdlvl / elogind.git / blobdiff