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Move null pointer check before pointer using

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Diadlo 2017-06-10 23:54:32 +03:00
commit 66562bd73c
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1 changed files with 5 additions and 5 deletions
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hydra-mod.c
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@ -1043,15 +1043,15 @@ char *hydra_strrep(char *string, char *oldpiece, char *newpiece) {
char *c, oldstring[6096], newstring[6096]; //updated due to issue 192 on github. char *c, oldstring[6096], newstring[6096]; //updated due to issue 192 on github.
static char finalstring[6096]; static char finalstring[6096];
if (string == NULL || oldpiece == NULL || newpiece == NULL || strlen(string) >= sizeof(oldstring) - 1
|| (strlen(string) + strlen(newpiece) - strlen(oldpiece) >= sizeof(newstring) - 1 && strlen(string) > strlen(oldpiece)))
return NULL;
if (strlen(string) > 6000) { if (strlen(string) > 6000) {
hydra_report(stderr, "[ERROR] Supplied URL or POST data too large. Max limit is 6000 characters.\n"); hydra_report(stderr, "[ERROR] Supplied URL or POST data too large. Max limit is 6000 characters.\n");
exit(-1); exit(-1);
} }
if (string == NULL || oldpiece == NULL || newpiece == NULL || strlen(string) >= sizeof(oldstring) - 1
|| (strlen(string) + strlen(newpiece) - strlen(oldpiece) >= sizeof(newstring) - 1 && strlen(string) > strlen(oldpiece)))
return NULL;
strcpy(newstring, string); strcpy(newstring, string);
strcpy(oldstring, string); strcpy(oldstring, string);