static void save_bt_to_dump_dir(const char *bt, const char *exe, const char *reason)
{
time_t t = time(NULL);
const char *iso_date = iso_date_string(&t);
pid_t my_pid = getpid();
char base[sizeof("xorg-YYYY-MM-DD-hh:mm:ss-%lu-%lu") + 2 * sizeof(long)*3];
sprintf(base, "xorg-%s-%lu-%u", iso_date, (long)my_pid, g_bt_count);
char *path = concat_path_file(debug_dumps_dir, base);
struct dump_dir *dd = dd_create(path, /*fs owner*/0, DEFAULT_DUMP_DIR_MODE);
if (dd)
{
dd_create_basic_files(dd, /*no uid*/(uid_t)-1L, NULL);
dd_save_text(dd, FILENAME_ABRT_VERSION, VERSION);
dd_save_text(dd, FILENAME_ANALYZER, "abrt-xorg");
dd_save_text(dd, FILENAME_TYPE, "xorg");
dd_save_text(dd, FILENAME_REASON, reason);
dd_save_text(dd, FILENAME_BACKTRACE, bt);
/*
* Reporters usually need component name to file a bug.
* It is usually derived from executable.
* We _guess_ X server's executable name as a last resort.
* Better ideas?
*/
if (!exe)
{
exe = "/usr/bin/X";
if (access("/usr/bin/Xorg", X_OK) == 0)
exe = "/usr/bin/Xorg";
}
dd_save_text(dd, FILENAME_EXECUTABLE, exe);
if (!(g_opts & OPT_x))
dd_set_no_owner(dd);
dd_close(dd);
notify_new_path(path);
}
free(path);
}
/* Create a new problem directory from client session.
* Caller must ensure that all fields in struct client
* are properly filled.
*/
static int create_problem_dir(GHashTable *problem_info, unsigned pid)
{
/* Exit if free space is less than 1/4 of MaxCrashReportsSize */
if (g_settings_nMaxCrashReportsSize > 0)
{
if (low_free_space(g_settings_nMaxCrashReportsSize, g_settings_dump_location))
exit(1);
}
/* Create temp directory with the problem data.
* This directory is renamed to final directory name after
* all files have been stored into it.
*/
gchar *dir_basename = g_hash_table_lookup(problem_info, "basename");
if (!dir_basename)
dir_basename = g_hash_table_lookup(problem_info, FILENAME_TYPE);
char *path = xasprintf("%s/%s-%s-%u.new",
g_settings_dump_location,
dir_basename,
iso_date_string(NULL),
pid);
/* This item is useless, don't save it */
g_hash_table_remove(problem_info, "basename");
/* No need to check the path length, as all variables used are limited,
* and dd_create() fails if the path is too long.
*/
struct dump_dir *dd = dd_create(path, /*fs owner*/0, DEFAULT_DUMP_DIR_MODE);
if (!dd)
{
error_msg_and_die("Error creating problem directory '%s'", path);
}
dd_create_basic_files(dd, client_uid, NULL);
dd_save_text(dd, FILENAME_ABRT_VERSION, VERSION);
gpointer gpkey = g_hash_table_lookup(problem_info, FILENAME_CMDLINE);
if (!gpkey)
{
/* Obtain and save the command line. */
char *cmdline = get_cmdline(pid);
if (cmdline)
{
dd_save_text(dd, FILENAME_CMDLINE, cmdline);
free(cmdline);
}
}
/* Store id of the user whose application crashed. */
char uid_str[sizeof(long) * 3 + 2];
sprintf(uid_str, "%lu", (long)client_uid);
dd_save_text(dd, FILENAME_UID, uid_str);
GHashTableIter iter;
gpointer gpvalue;
g_hash_table_iter_init(&iter, problem_info);
while (g_hash_table_iter_next(&iter, &gpkey, &gpvalue))
{
dd_save_text(dd, (gchar *) gpkey, (gchar *) gpvalue);
}
dd_close(dd);
/* Not needing it anymore */
g_hash_table_destroy(problem_info);
/* Move the completely created problem directory
* to final directory.
*/
char *newpath = xstrndup(path, strlen(path) - strlen(".new"));
if (rename(path, newpath) == 0)
strcpy(path, newpath);
free(newpath);
log_notice("Saved problem directory of pid %u to '%s'", pid, path);
/* We let the peer know that problem dir was created successfully
* _before_ we run potentially long-running post-create.
*/
printf("HTTP/1.1 201 Created\r\n\r\n");
fflush(NULL);
close(STDOUT_FILENO);
xdup2(STDERR_FILENO, STDOUT_FILENO); /* paranoia: don't leave stdout fd closed */
/* Trim old problem directories if necessary */
if (g_settings_nMaxCrashReportsSize > 0)
{
trim_problem_dirs(g_settings_dump_location, g_settings_nMaxCrashReportsSize * (double)(1024*1024), path);
}
run_post_create(path);
/* free(path); */
exit(0);
}
struct dump_dir *create_dump_dir_from_problem_data(problem_data_t *problem_data, const char *base_dir_name)
{
INITIALIZE_LIBREPORT();
char *type = problem_data_get_content_or_NULL(problem_data, FILENAME_ANALYZER);
if (!type)
{
error_msg(_("Missing required item: '%s'"), FILENAME_ANALYZER);
return NULL;
}
uid_t uid = (uid_t)-1L;
char *uid_str = problem_data_get_content_or_NULL(problem_data, FILENAME_UID);
if (uid_str)
{
char *endptr;
errno = 0;
long val = strtol(uid_str, &endptr, 10);
if (errno != 0 || endptr == uid_str || *endptr != '\0' || INT_MAX < val)
{
error_msg(_("uid value is not valid: '%s'"), uid_str);
return NULL;
}
uid = (uid_t)val;
}
struct timeval tv;
if (gettimeofday(&tv, NULL) < 0)
{
perror_msg("gettimeofday()");
return NULL;
}
char *problem_id = xasprintf("%s-%s.%ld-%lu"NEW_PD_SUFFIX, type, iso_date_string(&(tv.tv_sec)), (long)tv.tv_usec, (long)getpid());
log_info("Saving to %s/%s with uid %d", base_dir_name, problem_id, uid);
struct dump_dir *dd;
if (base_dir_name)
dd = try_dd_create(base_dir_name, problem_id, uid);
else
{
/* Try /var/run/abrt */
dd = try_dd_create(LOCALSTATEDIR"/run/abrt", problem_id, uid);
/* Try $HOME/tmp */
if (!dd)
{
char *home = getenv("HOME");
if (home && home[0])
{
home = concat_path_file(home, "tmp");
/*mkdir(home, 0777); - do we want this? */
dd = try_dd_create(home, problem_id, uid);
free(home);
}
}
//TODO: try user's home dir obtained by getpwuid(getuid())?
/* Try system temporary directory */
if (!dd)
dd = try_dd_create(LARGE_DATA_TMP_DIR, problem_id, uid);
}
if (!dd) /* try_dd_create() already emitted the error message */
goto ret;
GHashTableIter iter;
char *name;
struct problem_item *value;
g_hash_table_iter_init(&iter, problem_data);
while (g_hash_table_iter_next(&iter, (void**)&name, (void**)&value))
{
if (value->flags & CD_FLAG_BIN)
{
char *dest = concat_path_file(dd->dd_dirname, name);
log_info("copying '%s' to '%s'", value->content, dest);
off_t copied = copy_file(value->content, dest, DEFAULT_DUMP_DIR_MODE | S_IROTH);
if (copied < 0)
error_msg("Can't copy %s to %s", value->content, dest);
else
log_info("copied %li bytes", (unsigned long)copied);
free(dest);
continue;
}
/* only files should contain '/' and those are handled earlier */
if (name[0] == '.' || strchr(name, '/'))
{
error_msg("Problem data field name contains disallowed chars: '%s'", name);
continue;
}
dd_save_text(dd, name, value->content);
}
/* need to create basic files AFTER we save the pd to dump_dir
* otherwise we can't skip already created files like in case when
* reporting from anaconda where we can't read /etc/{system,redhat}-release
* and os_release is taken from anaconda
*/
dd_create_basic_files(dd, uid, NULL);
problem_id[strlen(problem_id) - strlen(NEW_PD_SUFFIX)] = '\0';
char* new_path = concat_path_file(base_dir_name, problem_id);
log_info("Renaming from '%s' to '%s'", dd->dd_dirname, new_path);
dd_rename(dd, new_path);
ret:
free(problem_id);
return dd;
}
/* returns number of errors */
unsigned abrt_oops_create_dump_dirs(GList *oops_list, const char *dump_location, const char *analyzer, int flags)
{
const int oops_cnt = g_list_length(oops_list);
unsigned countdown = ABRT_OOPS_MAX_DUMPED_COUNT; /* do not report hundreds of oopses */
log_notice("Saving %u oopses as problem dirs", oops_cnt >= countdown ? countdown : oops_cnt);
char *cmdline_str = xmalloc_fopen_fgetline_fclose("/proc/cmdline");
char *fips_enabled = xmalloc_fopen_fgetline_fclose("/proc/sys/crypto/fips_enabled");
char *proc_modules = xmalloc_open_read_close("/proc/modules", /*maxsize:*/ NULL);
char *suspend_stats = xmalloc_open_read_close("/sys/kernel/debug/suspend_stats", /*maxsize:*/ NULL);
time_t t = time(NULL);
const char *iso_date = iso_date_string(&t);
/* dump should be readable by all if we're run with -x */
uid_t my_euid = (uid_t)-1L;
mode_t mode = DEFAULT_DUMP_DIR_MODE | S_IROTH;
/* and readable only for the owner otherwise */
if (!(flags & ABRT_OOPS_WORLD_READABLE))
{
mode = DEFAULT_DUMP_DIR_MODE;
my_euid = geteuid();
}
pid_t my_pid = getpid();
unsigned idx = 0;
unsigned errors = 0;
while (idx < oops_cnt)
{
char base[sizeof("oops-YYYY-MM-DD-hh:mm:ss-%lu-%lu") + 2 * sizeof(long)*3];
sprintf(base, "oops-%s-%lu-%lu", iso_date, (long)my_pid, (long)idx);
char *path = concat_path_file(dump_location, base);
struct dump_dir *dd = dd_create(path, /*uid:*/ my_euid, mode);
if (dd)
{
dd_create_basic_files(dd, /*uid:*/ my_euid, NULL);
abrt_oops_save_data_in_dump_dir(dd, (char*)g_list_nth_data(oops_list, idx++), proc_modules);
dd_save_text(dd, FILENAME_ABRT_VERSION, VERSION);
dd_save_text(dd, FILENAME_ANALYZER, "abrt-oops");
dd_save_text(dd, FILENAME_TYPE, "Kerneloops");
if (cmdline_str)
dd_save_text(dd, FILENAME_CMDLINE, cmdline_str);
if (proc_modules)
dd_save_text(dd, "proc_modules", proc_modules);
if (fips_enabled && strcmp(fips_enabled, "0") != 0)
dd_save_text(dd, "fips_enabled", fips_enabled);
if (suspend_stats)
dd_save_text(dd, "suspend_stats", suspend_stats);
dd_close(dd);
notify_new_path(path);
}
else
errors++;
free(path);
if (--countdown == 0)
break;
if (dd && (flags & ABRT_OOPS_THROTTLE_CREATION))
if (abrt_oops_signaled_sleep(1) > 0)
break;
}
free(cmdline_str);
free(proc_modules);
free(fips_enabled);
free(suspend_stats);
return errors;
}
