curl/docs/libcurl/opts/CURLOPT_PROXY_KEYPASSWD.md
Daniel Stenberg e694c8284a
docs/libcurl/opts: clarify the return values
Expand a little.

- mention the type name of the return code
- avoid stating which exact return codes that might be returned, as that
  varies over time, builds and conditions
- avoid stating some always return OK
- refer to the manpage documenting all the return codes

Closes #15900
2025-01-02 17:13:33 +01:00

79 lines
1.7 KiB
Markdown

---
c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
SPDX-License-Identifier: curl
Title: CURLOPT_PROXY_KEYPASSWD
Section: 3
Source: libcurl
See-also:
- CURLOPT_KEYPASSWD (3)
- CURLOPT_PROXY_SSLKEY (3)
- CURLOPT_SSH_PRIVATE_KEYFILE (3)
- CURLOPT_SSLKEY (3)
Protocol:
- TLS
TLS-backend:
- OpenSSL
- mbedTLS
- Schannel
- wolfSSL
Added-in: 7.52.0
---
# NAME
CURLOPT_PROXY_KEYPASSWD - passphrase for the proxy private key
# SYNOPSIS
~~~c
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_KEYPASSWD, char *pwd);
~~~
# DESCRIPTION
This option is for connecting to an HTTPS proxy, not an HTTPS server.
Pass a pointer to a null-terminated string as parameter. It is used as the
password required to use the CURLOPT_PROXY_SSLKEY(3) private key. You never
need a passphrase to load a certificate but you need one to load your private
key.
The application does not have to keep the string around after setting this
option.
Using this option multiple times makes the last set string override the
previous ones. Set it to NULL to disable its use again.
# DEFAULT
NULL
# %PROTOCOLS%
# EXAMPLE
~~~c
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin");
curl_easy_setopt(curl, CURLOPT_PROXY, "https://proxy:443");
curl_easy_setopt(curl, CURLOPT_PROXY_KEYPASSWD, "superman");
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
}
~~~
# %AVAILABILITY%
# RETURN VALUE
curl_easy_setopt(3) returns a CURLcode indicating success or error.
CURLE_OK (0) means everything was OK, non-zero means an error occurred, see
libcurl-errors(3).