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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2022-09-05 09:34:39 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2022-09-05 09:34:39 -0300
commit45459476ecc8fe315734912baf7adf3551cff640 (patch)
tree11430ea1a915b928dd5a5d6b9311c6cdb90de47e /misc
parent930993921f2f381b545ea1b1f2d9c534b2b72b08 (diff)
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syslog: Remove extra whitespace between timestamp and message (BZ#29544)
The rfc3164 clear states that a single space character must follow the timestamp field. Checked on x86_64-linux-gnu.
Diffstat (limited to 'misc')
-rw-r--r--misc/syslog.c2
-rw-r--r--misc/tst-syslog.c9
2 files changed, 7 insertions, 4 deletions
diff --git a/misc/syslog.c b/misc/syslog.c
index b88f66c835..f67d4b58a4 100644
--- a/misc/syslog.c
+++ b/misc/syslog.c
@@ -167,7 +167,7 @@ __vsyslog_internal (int pri, const char *fmt, va_list ap,
_nl_C_locobj_ptr);
#define SYSLOG_HEADER(__pri, __timestamp, __msgoff, pid) \
- "<%d>%s %n%s%s%.0d%s: ", \
+ "<%d>%s%n%s%s%.0d%s: ", \
__pri, __timestamp, __msgoff, \
LogTag == NULL ? __progname : LogTag, \
"[" + (pid == 0), pid, "]" + (pid == 0)
diff --git a/misc/tst-syslog.c b/misc/tst-syslog.c
index 1d332ece53..3560b518a2 100644
--- a/misc/tst-syslog.c
+++ b/misc/tst-syslog.c
@@ -275,16 +275,19 @@ parse_syslog_msg (const char *msg)
{
struct msg_t r = { .pid = -1 };
int number;
+ int wsb, wsa;
#define STRINPUT(size) XSTRINPUT(size)
#define XSTRINPUT(size) "%" # size "s"
/* The message in the form:
- <179>Apr 8 14:51:19 tst-syslog: message 176 3 */
- int n = sscanf (msg, "<%3d>%*s %*d %*d:%*d:%*d " STRINPUT(IDENT_LENGTH)
+ <179>Apr 8 14:51:19 tst-syslog: message 176 3 */
+ int n = sscanf (msg, "<%3d>%*s %*d %*d:%*d:%*d%n %n" STRINPUT(IDENT_LENGTH)
" " STRINPUT(MSG_LENGTH) " %*d %*d",
- &number, r.ident, r.msg);
+ &number, &wsb, &wsa, r.ident, r.msg);
TEST_COMPARE (n, 3);
+ /* It should only one space between timestamp and message. */
+ TEST_COMPARE (wsa - wsb, 1);
r.facility = number & LOG_FACMASK;
r.priority = number & LOG_PRIMASK;