CURLOPT_PROXY_SSL_OPTIONS.3 3.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869
  1. .\" **************************************************************************
  2. .\" * _ _ ____ _
  3. .\" * Project ___| | | | _ \| |
  4. .\" * / __| | | | |_) | |
  5. .\" * | (__| |_| | _ <| |___
  6. .\" * \___|\___/|_| \_\_____|
  7. .\" *
  8. .\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
  9. .\" *
  10. .\" * This software is licensed as described in the file COPYING, which
  11. .\" * you should have received as part of this distribution. The terms
  12. .\" * are also available at https://curl.haxx.se/docs/copyright.html.
  13. .\" *
  14. .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  15. .\" * copies of the Software, and permit persons to whom the Software is
  16. .\" * furnished to do so, under the terms of the COPYING file.
  17. .\" *
  18. .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19. .\" * KIND, either express or implied.
  20. .\" *
  21. .\" **************************************************************************
  22. .\"
  23. .TH CURLOPT_PROXY_SSL_OPTIONS 3 "16 Nov 2016" "libcurl 7.52.0" "curl_easy_setopt options"
  24. .SH NAME
  25. CURLOPT_PROXY_SSL_OPTIONS \- set proxy SSL behavior options
  26. .SH SYNOPSIS
  27. #include <curl/curl.h>
  28. CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSL_OPTIONS, long bitmask);
  29. .SH DESCRIPTION
  30. Pass a long with a bitmask to tell libcurl about specific SSL behaviors.
  31. \fICURLSSLOPT_ALLOW_BEAST\fP tells libcurl to not attempt to use any
  32. workarounds for a security flaw in the SSL3 and TLS1.0 protocols. If this
  33. option isn't used or this bit is set to 0, the SSL layer libcurl uses may use
  34. a work-around for this flaw although it might cause interoperability problems
  35. with some (older) SSL implementations. WARNING: avoiding this work-around
  36. lessens the security, and by setting this option to 1 you ask for exactly
  37. that. This option is only supported for DarwinSSL, NSS and OpenSSL.
  38. \fICURLSSLOPT_NO_REVOKE\fP tells libcurl to disable certificate revocation
  39. checks for those SSL backends where such behavior is present. This option is
  40. only supported for Schannel (the native Windows SSL library), with an
  41. exception in the case of Windows' Untrusted Publishers blacklist which it
  42. seems can't be bypassed.
  43. .SH DEFAULT
  44. 0
  45. .SH PROTOCOLS
  46. All
  47. .SH AVAILABLE
  48. Added in 7.52.0
  49. .SH EXAMPLE
  50. .nf
  51. CURL *curl = curl_easy_init();
  52. if(curl) {
  53. curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
  54. curl_easy_setopt(curl, CURLOPT_PROXY, "https://proxy");
  55. /* weaken TLS only for use with silly proxies */
  56. curl_easy_setopt(curl, CURLOPT_PROXY_SSL_OPTIONS, CURLSSLOPT_ALLOW_BEAST |
  57. CURLSSLOPT_NO_REVOKE);
  58. ret = curl_easy_perform(curl);
  59. curl_easy_cleanup(curl);
  60. }
  61. .fi
  62. .SH RETURN VALUE
  63. Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
  64. .SH "SEE ALSO"
  65. .BR CURLOPT_PROXY_SSLVERSION "(3), " CURLOPT_PROXY_SSL_CIPHER_LIST "(3), "
  66. .BR CURLOPT_SSLVERSION "(3), " CURLOPT_SSL_CIPHER_LIST "(3), "