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syslog: Remove extra whitespace between timestamp and message (BZ#29544)

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The rfc3164 clear states that a single space character must follow
the timestamp field.

Checked on x86_64-linux-gnu.
This commit is contained in:
Adhemerval Zanella 2022-09-05 09:34:39 -03:00
parent 930993921f
commit 45459476ec
2 changed files with 7 additions and 4 deletions
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2
misc/syslog.c
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@ -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)

9
misc/tst-syslog.c
View File

@ -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;