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BUG/MEDIUM: fix segfault when no argument to -x option

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This patch fixes a segfault in the command line parser.

When haproxy is launched with -x with no argument and -x is the latest
option in argv it segfaults.

Use usage() insteads of exit() on error.
This commit is contained in:
William Lallemand 2017-06-19 15:57:55 +02:00 committed by Willy Tarreau
parent 4a5be934f1
commit 45eff44e28
1 changed files with 3 additions and 3 deletions
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6
src/haproxy.c
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@ -1279,9 +1279,9 @@ static void init(int argc, char **argv)
else if (*flag == 'q') else if (*flag == 'q')
arg_mode |= MODE_QUIET; arg_mode |= MODE_QUIET;
else if (*flag == 'x') { else if (*flag == 'x') {
if (argv[1][0] == '-') { if (argc <= 1 || argv[1][0] == '-') {
Alert("Unix socket path expected with the -x flag\n"); Alert("Unix socket path expected with the -x flag\n\n");
exit(1); usage(progname);
} }
old_unixsocket = argv[1]; old_unixsocket = argv[1];
argv++; argv++;