cronie/cronie-nheader_lines.diff
Dirk Mueller 715db45cc6 Accepting request 685771 from home:kstreitova:branches:Base:System
- update to 1.5.3
  * Fix CVE-2019-9704 [bnc#1128937] and CVE-2019-9705 [bnc#1128935]
    to avoid local DoS of the crond
  * crontab: Make crontab without arguments fail
  * crond: In PAM configuration include system-auth instead of
    password-auth
  * crond: In the systemd service file restart crond if it fails
  * crond: Use the role from the crond context for system job
    contexts
  * Multiple small cleanups and fixes.
- refresh cronie-nheader_lines.diff and  cronie-pam_config.diff

OBS-URL: https://build.opensuse.org/request/show/685771
OBS-URL: https://build.opensuse.org/package/show/Base:System/cronie?expand=0&rev=171
2019-03-19 16:04:35 +00:00

79 lines
2.1 KiB
Diff

Index: src/crontab.c
===================================================================
--- src/crontab.c.orig
+++ src/crontab.c
@@ -64,7 +64,7 @@
#include "pathnames.h"
#include "structs.h"
-#define NHEADER_LINES 0
+#define NHEADER_LINES 3
enum opt_t {opt_unknown, opt_list, opt_delete, opt_edit, opt_replace, opt_hostset, opt_hostget};
@@ -485,7 +485,7 @@ static void edit_cmd(void) {
char n[MAX_FNAME], q[MAX_TEMPSTR];
const char *editor;
FILE *f;
- int ch = '\0', t;
+ int ch = '\0', t, x;
struct stat statbuf;
struct utimbuf utimebuf;
WAIT_T waiter;
@@ -537,13 +537,25 @@ static void edit_cmd(void) {
}
Set_LineNum(1)
- /*
- * NHEADER_LINES processing removed for clarity
- * (NHEADER_LINES == 0 in all Red Hat crontabs)
- */
- /* copy the rest of the crontab (if any) to the temp file.
- */
- if (EOF != ch)
+
+ /* ignore the top few comments since we probably put them there.
+ */
+ x = 0;
+ while (EOF != (ch = get_char(f))) {
+ if ('#' != ch) {
+ putc(ch, NewCrontab);
+ break;
+ }
+ while (EOF != (ch = get_char(f)))
+ if (ch == '\n')
+ break;
+ if (++x >= NHEADER_LINES)
+ break;
+ }
+
+ /* copy the rest of the crontab (if any) to the temp file.
+ */
+ if (EOF != ch)
while (EOF != (ch = get_char(f)))
putc(ch, NewCrontab);
@@ -751,6 +763,7 @@ static int replace_cmd(void) {
int error = 0;
entry *e;
uid_t file_owner;
+ time_t now = time(NULL);
char **envp;
char *safename;
int envs = 0, entries = 0;
@@ -781,10 +794,10 @@ static int replace_cmd(void) {
*
* VERY IMPORTANT: make sure NHEADER_LINES agrees with this code.
*/
- /*fprintf(tmp, "# DO NOT EDIT THIS FILE - edit the master and reinstall.\n");
- *fprintf(tmp, "# (%s installed on %-24.24s)\n", Filename, ctime(&now));
- *fprintf(tmp, "# (Cron version %s)\n", CRON_VERSION);
- */
+ fprintf(tmp, "# DO NOT EDIT THIS FILE - edit the master and reinstall.\n");
+ fprintf(tmp, "# (%s installed on %-24.24s)\n", Filename, ctime(&now));
+ fprintf(tmp, "# (Cronie version %s)\n", CRON_VERSION);
+
#ifdef WITH_SELINUX
if (selinux_context)
fprintf(tmp, "SELINUX_ROLE_TYPE=%s\n", selinux_context);