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Fixed segfault checking command line arguments

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With inputs like ./hydra -l admin -P passwords/dictionary.txt
hydra gives a segmentation fault. Now checks if index < argc after
trying to access to argv[index]
This commit is contained in:
Uxío 2015-02-26 16:14:04 +01:00
commit d16ee557bd
1 changed files with 1 additions and 1 deletions
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hydra.c
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@ -2382,7 +2382,7 @@ int main(int argc, char *argv[]) {
hydra_options.service = argv[optind];
if (optind + 2 == argc)
hydra_options.miscptr = argv[optind + 1];
} else if (optind + 2 != argc && optind + 3 != argc) {
} else if (optind + 2 != argc && optind + 3 != argc && optind < argc) {
// check if targetdef follow syntax <service-name>://<target>[:<port-number>][/<parameters>] or it's a syntax error
char *targetdef = strdup(argv[optind]);
char *service_pos, *target_pos, *port_pos = NULL, *param_pos = NULL;