diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/cee-syslog.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/cee-syslog.c b/lib/cee-syslog.c index 2cb5447..b9d648d 100644 --- a/lib/cee-syslog.c +++ b/lib/cee-syslog.c @@ -42,7 +42,13 @@ #include "cee-syslog.h" + +#if __USE_FORTIFY_LEVEL > 0 +static void (*old_syslog_chk) (); +#else static void (*old_syslog) (); +#endif + static void (*old_openlog) (); static int (*old_setlogmask) (); @@ -64,7 +70,11 @@ static __thread struct static void cee_init (void) { +#if __USE_FORTIFY_LEVEL > 0 + old_syslog_chk = dlsym (RTLD_NEXT, "__syslog_chk"); +#else old_syslog = dlsym (RTLD_NEXT, "syslog"); +#endif old_openlog = dlsym (RTLD_NEXT, "openlog"); old_setlogmask = dlsym (RTLD_NEXT, "setlogmask"); } @@ -297,7 +307,12 @@ _cee_vsyslog (int format_version, int priority, jo = _cee_vformat (json_object_new_object (), format_version, priority, msg_format, ap); +#if __USE_FORTIFY_LEVEL > 0 + old_syslog_chk (priority, __USE_FORTIFY_LEVEL - 1, "@cee:%s", + json_object_to_json_string (jo)); +#else old_syslog (priority, "@cee:%s", json_object_to_json_string (jo)); +#endif json_object_put (jo); } @@ -331,6 +346,24 @@ cee_setlogmask (int mask) return old_setlogmask (mask); } +#if __USE_FORTIFY_LEVEL > 0 +void +__syslog_chk (int __pri, int __flag, __const char *__fmt, ...) +{ + va_list ap; + + va_start (ap, __fmt); + cee_legacy_vsyslog (__pri, __fmt, ap); + va_end (ap); +} + +void +__vsyslog_chk (int __pri, int __flag, __const char *__fmt, va_list ap) +{ + cee_legacy_vsyslog (__pri, __fmt, ap); +} +#endif + void openlog (const char *ident, int option, int facility) __attribute__((alias ("cee_openlog"))); |