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Fix potential null dereference

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Dylan G
2020-12-24 22:53:46 +00:00
parent 1e5d09e85a
commit 7871225999
1 changed files with 2 additions and 2 deletions
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4
source/remote.c
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@@ -975,8 +975,8 @@ redirect: // goto here if we need to redirect
if (*redirect_url == '/') // if relative URL if (*redirect_url == '/') // if relative URL
{ {
strcpy(new_url, url); strcpy(new_url, url);
// this is good code, i promise char * last_slash = strchr(strchr(strchr(new_url, '/') + 1, '/') + 1, '/');
*(strchr(strchr(strchr(new_url, '/') + 1, '/') + 1, '/')) = '\0'; if (last_slash) *last_slash = '\0'; // prevents a NULL deref in case the original domain was not /-delimited
strncat(new_url, redirect_url, 0x824 - strlen(new_url)); strncat(new_url, redirect_url, 0x824 - strlen(new_url));
url = new_url; url = new_url;
} }