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| author | Ernst Sjöstrand <ernst.sjostrand@verisure.com> | 2020-03-02 14:51:43 +0100 |
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2020-03-07 13:50:23 +0100 |
| commit | c8f086bcc315d9dec6a7438f39c3c36dfeb27e42 (patch) | |
| tree | 54ff38ed935d2223daed132bae62f526e2db5e3b | |
| parent | e364546fb3371ac27f59f897e4c55acce7fc824e (diff) | |
| download | curl-c8f086bcc315d9dec6a7438f39c3c36dfeb27e42.tar.gz | |
ares: store dns parameters for duphandle
With c-ares the dns parameters lives in ares_channel. Store them in the
curl handle and set them again in easy_duphandle.
Regression introduced in #3228 (6765e6d), shipped in curl 7.63.0.
Fixes #4893
Closes #5020
Signed-off-by: Ernst Sjöstrand <ernst.sjostrand@verisure.com>
| -rw-r--r-- | lib/easy.c | 11 | ||||
| -rw-r--r-- | lib/setopt.c | 24 | ||||
| -rw-r--r-- | lib/urldata.h | 6 |
3 files changed, 37 insertions, 4 deletions
diff --git a/lib/easy.c b/lib/easy.c index d1c6cedaa..d3a29f48b 100644 --- a/lib/easy.c +++ b/lib/easy.c @@ -883,6 +883,17 @@ struct Curl_easy *curl_easy_duphandle(struct Curl_easy *data) data->state.resolver)) goto fail; +#ifdef USE_ARES + if(Curl_set_dns_servers(outcurl, data->set.str[STRING_DNS_SERVERS])) + goto fail; + if(Curl_set_dns_interface(outcurl, data->set.str[STRING_DNS_INTERFACE])) + goto fail; + if(Curl_set_dns_local_ip4(outcurl, data->set.str[STRING_DNS_LOCAL_IP4])) + goto fail; + if(Curl_set_dns_local_ip6(outcurl, data->set.str[STRING_DNS_LOCAL_IP6])) + goto fail; +#endif /* USE_ARES */ + Curl_convert_setup(outcurl); Curl_initinfo(outcurl); diff --git a/lib/setopt.c b/lib/setopt.c index 2e494a6df..4648c872b 100644 --- a/lib/setopt.c +++ b/lib/setopt.c @@ -2583,16 +2583,32 @@ CURLcode Curl_vsetopt(struct Curl_easy *data, CURLoption option, va_list param) #endif #ifdef USE_ARES case CURLOPT_DNS_SERVERS: - result = Curl_set_dns_servers(data, va_arg(param, char *)); + result = Curl_setstropt(&data->set.str[STRING_DNS_SERVERS], + va_arg(param, char *)); + if(result) + return result; + result = Curl_set_dns_servers(data, data->set.str[STRING_DNS_SERVERS]); break; case CURLOPT_DNS_INTERFACE: - result = Curl_set_dns_interface(data, va_arg(param, char *)); + result = Curl_setstropt(&data->set.str[STRING_DNS_INTERFACE], + va_arg(param, char *)); + if(result) + return result; + result = Curl_set_dns_interface(data, data->set.str[STRING_DNS_INTERFACE]); break; case CURLOPT_DNS_LOCAL_IP4: - result = Curl_set_dns_local_ip4(data, va_arg(param, char *)); + result = Curl_setstropt(&data->set.str[STRING_DNS_LOCAL_IP4], + va_arg(param, char *)); + if(result) + return result; + result = Curl_set_dns_local_ip4(data, data->set.str[STRING_DNS_LOCAL_IP4]); break; case CURLOPT_DNS_LOCAL_IP6: - result = Curl_set_dns_local_ip6(data, va_arg(param, char *)); + result = Curl_setstropt(&data->set.str[STRING_DNS_LOCAL_IP6], + va_arg(param, char *)); + if(result) + return result; + result = Curl_set_dns_local_ip6(data, data->set.str[STRING_DNS_LOCAL_IP6]); break; #endif case CURLOPT_TCP_KEEPALIVE: diff --git a/lib/urldata.h b/lib/urldata.h index 9e4626530..fbb8b645e 100644 --- a/lib/urldata.h +++ b/lib/urldata.h @@ -1577,6 +1577,11 @@ enum dupstring { STRING_TEMP_URL, /* temp URL storage for proxy use */ + STRING_DNS_SERVERS, + STRING_DNS_INTERFACE, + STRING_DNS_LOCAL_IP4, + STRING_DNS_LOCAL_IP6, + /* -- end of zero-terminated strings -- */ STRING_LASTZEROTERMINATED, @@ -1585,6 +1590,7 @@ enum dupstring { STRING_COPYPOSTFIELDS, /* if POST, set the fields' values here */ + STRING_LAST /* not used, just an end-of-list marker */ }; |