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| author | Tobias Brunner <tobias@strongswan.org> | 2015-12-16 11:56:44 +0100 |
|---|---|---|
| committer | Tobias Brunner <tobias@strongswan.org> | 2015-12-16 12:09:20 +0100 |
| commit | b0f00b2a3cf5ca095a9a568dc02aaa4b66e76552 (patch) | |
| tree | bc666433adc47474cef5699a9b50b88159d52af1 | |
| parent | 50e190e8add8c36da39865d604a96897786cb5d4 (diff) | |
| download | strongswan-b0f00b2a3cf5ca095a9a568dc02aaa4b66e76552.tar.bz2 strongswan-b0f00b2a3cf5ca095a9a568dc02aaa4b66e76552.tar.xz | |
swanctl: Never print more than MAX_LINES of usage summary
Print a warning if a registered command exceeds that limit.
| -rw-r--r-- | src/swanctl/command.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/swanctl/command.c b/src/swanctl/command.c index 26c41346c..fd9bc0083 100644 --- a/src/swanctl/command.c +++ b/src/swanctl/command.c @@ -176,6 +176,15 @@ void command_register(command_t command) "uri", 'u', 1, "service URI to connect to" }; } + for (i = 0; cmds[registered].line[i]; i++) + { + if (i == MAX_LINES - 1) + { + fprintf(stderr, "command '%s' specifies too many usage summary " + "lines, please increase MAX_LINES\n", command.cmd); + break; + } + } } registered++; } @@ -217,7 +226,7 @@ int command_usage(char *error, ...) } else { - for (i = 0; cmds[active].line[i]; i++) + for (i = 0; i < MAX_LINES && cmds[active].line[i]; i++) { if (i == 0) { |