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check curlopt_noproxy before accessing it

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This commit is contained in:
Ahmet Oeztuerk 2026-01-07 16:47:11 +01:00
parent 81e7b47084
commit 7dbdfd30da
1 changed files with 38 additions and 36 deletions
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74
plugins/check_curl.d/check_curl_helpers.c
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@ -1464,56 +1464,58 @@ int determine_hostname_resolver(const check_curl_working_state working_state, co
}
if ( strncmp( working_state.curlopt_proxy, "http://", 7) == 0){
if (verbose >= 1){
printf("* proxy scheme is http, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
if (working_state.curlopt_noproxy != NULL){
if ( strncmp( working_state.curlopt_proxy, "http://", 7) == 0){
if (verbose >= 1){
printf("* proxy scheme is http, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
}
free(server_address_clean);
return 1;
}
free(server_address_clean);
return 1;
}
if ( strncmp( working_state.curlopt_proxy, "https://", 8) == 0){
if (verbose >= 1){
printf("* proxy scheme is https, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
if ( strncmp( working_state.curlopt_proxy, "https://", 8) == 0){
if (verbose >= 1){
printf("* proxy scheme is https, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
}
free(server_address_clean);
return 1;
}
free(server_address_clean);
return 1;
}
if ( strncmp( working_state.curlopt_proxy, "socks4://", 9) == 0){
if (verbose >= 1){
printf("* proxy scheme is socks, proxy: %s does not resolve host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
if ( strncmp( working_state.curlopt_proxy, "socks4://", 9) == 0){
if (verbose >= 1){
printf("* proxy scheme is socks, proxy: %s does not resolve host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
}
free(server_address_clean);
return 0;
}
free(server_address_clean);
return 0;
}
if ( strncmp( working_state.curlopt_proxy, "socks4a://", 10) == 0){
if (verbose >= 1){
printf("* proxy scheme is socks4a, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
if ( strncmp( working_state.curlopt_proxy, "socks4a://", 10) == 0){
if (verbose >= 1){
printf("* proxy scheme is socks4a, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
}
free(server_address_clean);
return 1;
}
free(server_address_clean);
return 1;
}
if ( strncmp( working_state.curlopt_proxy, "socks5://", 9) == 0){
if (verbose >= 1){
printf("* proxy scheme is socks5, proxy: %s does not resolve host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
if ( strncmp( working_state.curlopt_proxy, "socks5://", 9) == 0){
if (verbose >= 1){
printf("* proxy scheme is socks5, proxy: %s does not resolve host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
}
free(server_address_clean);
return 0;
}
free(server_address_clean);
return 0;
}
if ( strncmp( working_state.curlopt_proxy, "socks5h://", 10) == 0){
if (verbose >= 1){
printf("* proxy scheme is socks5h, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
if ( strncmp( working_state.curlopt_proxy, "socks5h://", 10) == 0){
if (verbose >= 1){
printf("* proxy scheme is socks5h, proxy: %s resolves host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
}
free(server_address_clean);
return 1;
}
free(server_address_clean);
return 1;
}
if (verbose >= 1){
printf("* proxy scheme is unknown, proxy: %s is assumed to not resolve host: %s or server_address: %s\n", working_state.curlopt_proxy, host_name_display, server_address_clean);
printf("* proxy scheme is unknown/unavailable, no proxy is assumed for host: %s or server_address: %s\n", host_name_display, server_address_clean);
}
free(server_address_clean);