From fffbf1f90be5236b310bc0b10034815b1051f0ac Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Fri, 10 Aug 2018 11:07:54 +0900 Subject: [PATCH] journal: do not remove multiple spaces after identifier in syslog message Single space is used as separator. C.f. discussions in #156. Fixes #9839 introduced by a6aadf4ae0bae185dc4c414d492a4a781c80ffe5. (cherry picked from commit 8595102d3ddde6d25c282f965573a6de34ab4421) Resolves: #1691817 --- src/journal/journald-syslog.c | 4 +++- src/journal/test-journal-syslog.c | 24 ++++++++++++++---------- 2 files changed, 17 insertions(+), 11 deletions(-) diff --git a/src/journal/journald-syslog.c b/src/journal/journald-syslog.c index 97711ac7a3..e0b55cc566 100644 --- a/src/journal/journald-syslog.c +++ b/src/journal/journald-syslog.c @@ -219,7 +219,9 @@ size_t syslog_parse_identifier(const char **buf, char **identifier, char **pid) if (t) *identifier = t; - e += strspn(p + e, WHITESPACE); + /* Single space is used as separator */ + if (p[e] != '\0' && strchr(WHITESPACE, p[e])) + e++; *buf = p + e; return e; diff --git a/src/journal/test-journal-syslog.c b/src/journal/test-journal-syslog.c index 05f759817e..7294cde032 100644 --- a/src/journal/test-journal-syslog.c +++ b/src/journal/test-journal-syslog.c @@ -6,7 +6,7 @@ #include "string-util.h" static void test_syslog_parse_identifier(const char *str, - const char *ident, const char *pid, int ret) { + const char *ident, const char *pid, const char *rest, int ret) { const char *buf = str; _cleanup_free_ char *ident2 = NULL, *pid2 = NULL; int ret2; @@ -16,18 +16,22 @@ static void test_syslog_parse_identifier(const char *str, assert_se(ret == ret2); assert_se(ident == ident2 || streq_ptr(ident, ident2)); assert_se(pid == pid2 || streq_ptr(pid, pid2)); + assert_se(streq(buf, rest)); } int main(void) { - test_syslog_parse_identifier("pidu[111]: xxx", "pidu", "111", 11); - test_syslog_parse_identifier("pidu: xxx", "pidu", NULL, 6); - test_syslog_parse_identifier("pidu: xxx", "pidu", NULL, 7); - test_syslog_parse_identifier("pidu xxx", NULL, NULL, 0); - test_syslog_parse_identifier(":", "", NULL, 1); - test_syslog_parse_identifier(": ", "", NULL, 3); - test_syslog_parse_identifier("pidu:", "pidu", NULL, 5); - test_syslog_parse_identifier("pidu: ", "pidu", NULL, 6); - test_syslog_parse_identifier("pidu : ", NULL, NULL, 0); + test_syslog_parse_identifier("pidu[111]: xxx", "pidu", "111", "xxx", 11); + test_syslog_parse_identifier("pidu: xxx", "pidu", NULL, "xxx", 6); + test_syslog_parse_identifier("pidu: xxx", "pidu", NULL, " xxx", 6); + test_syslog_parse_identifier("pidu xxx", NULL, NULL, "pidu xxx", 0); + test_syslog_parse_identifier(" pidu xxx", NULL, NULL, " pidu xxx", 0); + test_syslog_parse_identifier("", NULL, NULL, "", 0); + test_syslog_parse_identifier(" ", NULL, NULL, " ", 0); + test_syslog_parse_identifier(":", "", NULL, "", 1); + test_syslog_parse_identifier(": ", "", NULL, " ", 2); + test_syslog_parse_identifier("pidu:", "pidu", NULL, "", 5); + test_syslog_parse_identifier("pidu: ", "pidu", NULL, "", 6); + test_syslog_parse_identifier("pidu : ", NULL, NULL, "pidu : ", 0); return 0; }