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From d355618518f26bd045df81a52dade79ac3079f3f Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Wed, 8 Aug 2018 15:06:36 +0900
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Subject: [PATCH] journal: fix syslog_parse_identifier()
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Fixes #9829.
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(cherry-picked from commit a6aadf4ae0bae185dc4c414d492a4a781c80ffe5)
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Resolves: #1664978
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---
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src/journal/journald-syslog.c | 6 +++---
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src/journal/test-journal-syslog.c | 10 ++++++++--
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2 files changed, 11 insertions(+), 5 deletions(-)
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diff --git a/src/journal/journald-syslog.c b/src/journal/journald-syslog.c
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index 9dea116722..97711ac7a3 100644
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--- a/src/journal/journald-syslog.c
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+++ b/src/journal/journald-syslog.c
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@@ -194,7 +194,7 @@ size_t syslog_parse_identifier(const char **buf, char **identifier, char **pid)
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e = l;
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l--;
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- if (p[l-1] == ']') {
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+ if (l > 0 && p[l-1] == ']') {
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size_t k = l-1;
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for (;;) {
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@@ -219,8 +219,8 @@ size_t syslog_parse_identifier(const char **buf, char **identifier, char **pid)
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if (t)
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*identifier = t;
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- if (strchr(WHITESPACE, p[e]))
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- e++;
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+ e += strspn(p + e, WHITESPACE);
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+
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*buf = p + e;
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return e;
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}
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diff --git a/src/journal/test-journal-syslog.c b/src/journal/test-journal-syslog.c
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index 9ba86f6c8a..05f759817e 100644
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--- a/src/journal/test-journal-syslog.c
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+++ b/src/journal/test-journal-syslog.c
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@@ -5,8 +5,8 @@
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#include "macro.h"
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#include "string-util.h"
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-static void test_syslog_parse_identifier(const char* str,
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- const char *ident, const char*pid, int ret) {
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+static void test_syslog_parse_identifier(const char *str,
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+ const char *ident, const char *pid, int ret) {
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const char *buf = str;
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_cleanup_free_ char *ident2 = NULL, *pid2 = NULL;
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int ret2;
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@@ -21,7 +21,13 @@ static void test_syslog_parse_identifier(const char* str,
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int main(void) {
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test_syslog_parse_identifier("pidu[111]: xxx", "pidu", "111", 11);
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test_syslog_parse_identifier("pidu: xxx", "pidu", NULL, 6);
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+ test_syslog_parse_identifier("pidu: xxx", "pidu", NULL, 7);
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test_syslog_parse_identifier("pidu xxx", NULL, NULL, 0);
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+ test_syslog_parse_identifier(":", "", NULL, 1);
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+ test_syslog_parse_identifier(": ", "", NULL, 3);
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+ test_syslog_parse_identifier("pidu:", "pidu", NULL, 5);
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+ test_syslog_parse_identifier("pidu: ", "pidu", NULL, 6);
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+ test_syslog_parse_identifier("pidu : ", NULL, NULL, 0);
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return 0;
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}
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