From 45459476ecc8fe315734912baf7adf3551cff640 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Mon, 5 Sep 2022 09:34:39 -0300 Subject: [PATCH] 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. --- misc/syslog.c | 2 +- misc/tst-syslog.c | 9 ++++++--- 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;