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e3fe020089
Remove the PROTOCOLS section from the source files completely and instead generate them based on the header data in the curldown files. It also generates TLS backend information for options marked for TLS as protocol. Closes #13175
85 lines
2.2 KiB
Markdown
85 lines
2.2 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_CAINFO
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Section: 3
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Source: libcurl
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See-also:
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- CURLINFO_CAINFO (3)
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- CURLOPT_CAINFO_BLOB (3)
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- CURLOPT_CAPATH (3)
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- CURLOPT_CA_CACHE_TIMEOUT (3)
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- CURLOPT_SSL_VERIFYHOST (3)
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- CURLOPT_SSL_VERIFYPEER (3)
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Protocol:
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- TLS
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TLS-backend:
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- All
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---
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# NAME
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CURLOPT_CAINFO - path to Certificate Authority (CA) bundle
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CAINFO, char *path);
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~~~
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# DESCRIPTION
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Pass a char pointer to a null-terminated string naming a file holding one or
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more certificates to verify the peer with.
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If CURLOPT_SSL_VERIFYPEER(3) is zero and you avoid verifying the
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server's certificate, CURLOPT_CAINFO(3) need not even indicate an
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accessible file.
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This option is by default set to the system path where libcurl's CA
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certificate bundle is assumed to be stored, as established at build time.
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(iOS and macOS) When curl uses Secure Transport this option is supported. If
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the option is not set, then curl uses the certificates in the system and user
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Keychain to verify the peer.
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(Schannel) This option is supported for Schannel in Windows 7 or later but we
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recommend not using it until Windows 8 since it works better starting then.
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If the option is not set, then curl uses the certificates in the Windows'
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store of root certificates (the default for Schannel).
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The application does not have to keep the string around after setting this
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option.
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The default value for this can be figured out with CURLINFO_CAINFO(3).
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# DEFAULT
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Built-in system specific. When curl is built with Secure Transport or
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Schannel, this option is not set by default.
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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curl_easy_setopt(curl, CURLOPT_CAINFO, "/etc/certs/cabundle.pem");
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curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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~~~
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# AVAILABILITY
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Schannel support added in libcurl 7.60.
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# RETURN VALUE
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Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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