quickjs-tart

quickjs-based runtime for wallet-core logic
Log | Files | Refs | README | LICENSE

CURLOPT_PROXY_ISSUERCERT_BLOB.md (2716B)

      1 ---
      2 c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
      3 SPDX-License-Identifier: curl
      4 Title: CURLOPT_PROXY_ISSUERCERT_BLOB
      5 Section: 3
      6 Source: libcurl
      7 See-also:
      8   - CURLOPT_ISSUERCERT_BLOB (3)
      9   - CURLOPT_PROXY_SSL_VERIFYHOST (3)
     10   - CURLOPT_PROXY_SSL_VERIFYPEER (3)
     11   - CURLOPT_SSL_VERIFYHOST (3)
     12   - CURLOPT_SSL_VERIFYPEER (3)
     13 Protocol:
     14   - TLS
     15 TLS-backend:
     16   - OpenSSL
     17 Added-in: 7.71.0
     18 ---
     19 
     20 # NAME
     21 
     22 CURLOPT_PROXY_ISSUERCERT_BLOB - proxy issuer SSL certificate from memory blob
     23 
     24 # SYNOPSIS
     25 
     26 ~~~c
     27 #include <curl/curl.h>
     28 
     29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_ISSUERCERT_BLOB,
     30                           struct curl_blob *blob);
     31 ~~~
     32 
     33 # DESCRIPTION
     34 
     35 Pass a pointer to a curl_blob struct, which contains information (pointer and
     36 size) about a memory block with binary data of a CA certificate in PEM
     37 format. If the option is set, an additional check against the peer certificate
     38 is performed to verify the issuer of the HTTPS proxy is indeed the one
     39 associated with the certificate provided by the option. This additional check
     40 is useful in multi-level PKI where one needs to enforce that the peer
     41 certificate is from a specific branch of the tree.
     42 
     43 This option should be used in combination with the
     44 CURLOPT_PROXY_SSL_VERIFYPEER(3) option. Otherwise, the result of the
     45 check is not considered as failure.
     46 
     47 A specific error code (CURLE_SSL_ISSUER_ERROR) is defined with the option,
     48 which is returned if the setup of the SSL/TLS session has failed due to a
     49 mismatch with the issuer of peer certificate
     50 (CURLOPT_PROXY_SSL_VERIFYPEER(3) has to be set too for the check to fail).
     51 
     52 If the blob is initialized with the flags member of struct curl_blob set to
     53 CURL_BLOB_COPY, the application does not have to keep the buffer around after
     54 setting this.
     55 
     56 This option is an alternative to CURLOPT_PROXY_ISSUERCERT(3) which
     57 instead expects a filename as input.
     58 
     59 # DEFAULT
     60 
     61 NULL
     62 
     63 # %PROTOCOLS%
     64 
     65 # EXAMPLE
     66 
     67 ~~~c
     68 
     69 extern char *certificateData; /* point to the data */
     70 size_t filesize; /* size of the data */
     71 
     72 int main(void)
     73 {
     74   CURL *curl = curl_easy_init();
     75   if(curl) {
     76     CURLcode res;
     77     struct curl_blob blob;
     78     curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
     79     /* using an HTTPS proxy */
     80     curl_easy_setopt(curl, CURLOPT_PROXY, "https://localhost:443");
     81     blob.data = certificateData;
     82     blob.len = filesize;
     83     blob.flags = CURL_BLOB_COPY;
     84     curl_easy_setopt(curl, CURLOPT_PROXY_ISSUERCERT_BLOB, &blob);
     85     res = curl_easy_perform(curl);
     86     curl_easy_cleanup(curl);
     87   }
     88 }
     89 ~~~
     90 
     91 # %AVAILABILITY%
     92 
     93 # RETURN VALUE
     94 
     95 curl_easy_setopt(3) returns a CURLcode indicating success or error.
     96 
     97 CURLE_OK (0) means everything was OK, non-zero means an error occurred, see
     98 libcurl-errors(3).