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https://github.com/moparisthebest/curl
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cacertinmem.c: use multiple certificates for loading CA-chain
Closes #3421
This commit is contained in:
DaVieS
Daniel Stenberg
parent
62a2534e4c
commit
0f6c6efd81
@ -5,7 +5,7 @@
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* | (__| |_| | _ <| |___
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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* \___|\___/|_| \_\_____|
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*
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*
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* Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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*
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* This software is licensed as described in the file COPYING, which
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* you should have received as part of this distribution. The terms
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@ -29,7 +29,7 @@
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#include <curl/curl.h>
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#include <curl/curl.h>
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#include <stdio.h>
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#include <stdio.h>
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size_t writefunction(void *ptr, size_t size, size_t nmemb, void *stream)
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static size_t writefunction(void *ptr, size_t size, size_t nmemb, void *stream)
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{
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{
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fwrite(ptr, size, nmemb, (FILE *)stream);
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fwrite(ptr, size, nmemb, (FILE *)stream);
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return (nmemb*size);
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return (nmemb*size);
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@ -38,88 +38,86 @@ size_t writefunction(void *ptr, size_t size, size_t nmemb, void *stream)
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static CURLcode sslctx_function(CURL *curl, void *sslctx, void *parm)
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static CURLcode sslctx_function(CURL *curl, void *sslctx, void *parm)
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{
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{
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CURLcode rv = CURLE_ABORTED_BY_CALLBACK;
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CURLcode rv = CURLE_ABORTED_BY_CALLBACK;
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X509_STORE *store = NULL;
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X509 *cert = NULL;
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/** This example uses two (fake) certificates **/
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BIO *bio = NULL;
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static const char mypem[] =
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char *mypem =
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/* CA for example.com. CN = DigiCert High Assurance EV Root CA */
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"-----BEGIN CERTIFICATE-----\n"
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"-----BEGIN CERTIFICATE-----\n"
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"MIIDxTCCAq2gAwIBAgIQAqxcJmoLQJuPC3nyrkYldzANBgkqhkiG9w0BAQUFADBs\n"
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"MIIH0zCCBbugAwIBAgIIXsO3pkN/pOAwDQYJKoZIhvcNAQEFBQAwQjESMBAGA1UE\n"
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"MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3\n"
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"AwwJQUNDVlJBSVoxMRAwDgYDVQQLDAdQS0lBQ0NWMQ0wCwYDVQQKDARBQ0NWMQsw\n"
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"d3cuZGlnaWNlcnQuY29tMSswKQYDVQQDEyJEaWdpQ2VydCBIaWdoIEFzc3VyYW5j\n"
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"CQYDVQQGEwJFUzAeFw0xMTA1MDUwOTM3MzdaFw0zMDEyMzEwOTM3MzdaMEIxEjAQ\n"
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"ZSBFViBSb290IENBMB4XDTA2MTExMDAwMDAwMFoXDTMxMTExMDAwMDAwMFowbDEL\n"
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"BgNVBAMMCUFDQ1ZSQUlaMTEQMA4GA1UECwwHUEtJQUNDVjENMAsGA1UECgwEQUND\n"
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"MAkGA1UEBhMCVVMxFTATBgNVBAoTDERpZ2lDZXJ0IEluYzEZMBcGA1UECxMQd3d3\n"
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"VjELMAkGA1UEBhMCRVMwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCb\n"
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"LmRpZ2ljZXJ0LmNvbTErMCkGA1UEAxMiRGlnaUNlcnQgSGlnaCBBc3N1cmFuY2Ug\n"
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"qau/YUqXry+XZpp0X9DZlv3P4uRm7x8fRzPCRKPfmt4ftVTdFXxpNRFvu8gMjmoY\n"
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"RVYgUm9vdCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMbM5XPm\n"
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"HtiP2Ra8EEg2XPBjs5BaXCQ316PWywlxufEBcoSwfdtNgM3802/J+Nq2DoLSRYWo\n"
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"+9S75S0tMqbf5YE/yc0lSbZxKsPVlDRnogocsF9ppkCxxLeyj9CYpKlBWTrT3JTW\n"
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"G2ioPej0RGy9ocLLA76MPhMAhN9KSMDjIgro6TenGEyxCQ0jVn8ETdkXhBilyNpA\n"
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"PNt0OKRKzE0lgvdKpVMSOO7zSW1xkX5jtqumX8OkhPhPYlG++MXs2ziS4wblCJEM\n"
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"0KIV9VMJcRz/RROE5iZe+OCIHAr8Fraocwa48GOEAqDGWuzndN9wrqODJerWx5eH\n"
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"xChBVfvLWokVfnHoNb9Ncgk9vjo4UFt3MRuNs8ckRZqnrG0AFFoEt7oT61EKmEFB\n"
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"k6fGioozl2A3ED6XPm4pFdahD9GILBKfb6qkxkLrQaLjlUPTAYVtjrs78yM2x/47\n"
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"Ik5lYYeBQVCmeVyJ3hlKV9Uu5l0cUyx+mM0aBhakaHPQNAQTXKFx01p8VdteZOE3\n"
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"JyCpZET/LtZ1qmxNYEAZSUNUY9rizLpm5U9EelvZaoErQNV/+QEnWCzI7UiRfD+m\n"
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"hzBWBOURtCmAEvF5OYiiAhF8J2a3iLd48soKqDirCmTCv2ZdlYTBoSUeh10aUAsg\n"
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"AM/EKXMRNt6GGT6d7hmKG9Ww7Y49nCrADdg9ZuM8Db3VlFzi4qc1GwQA9j9ajepD\n"
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"EsxBu24LUTi4S8sCAwEAAaNjMGEwDgYDVR0PAQH/BAQDAgGGMA8GA1UdEwEB/wQF\n"
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"vV+JHanBsMyZ4k0ACtrJJ1vnE5Bc5PUzolVt3OAJTS+xJlsndQAJxGJ3KQhfnlms\n"
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"MAMBAf8wHQYDVR0OBBYEFLE+w2kD+L9HAdSYJhoIAu9jZCvDMB8GA1UdIwQYMBaA\n"
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"tn6tn1QwIgPBHnFk/vk4CpYY3QIUrCPLBhwepH2NDd4nQeit2hW3sCPdK6jT2iWH\n"
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"FLE+w2kD+L9HAdSYJhoIAu9jZCvDMA0GCSqGSIb3DQEBBQUAA4IBAQAcGgaX3Nec\n"
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"7ehVRE2I9DZ+hJp4rPcOVkkO1jMl1oRQQmwgEh0q1b688nCBpHBgvgW1m54ERL5h\n"
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"nzyIZgYIVyHbIUf4KmeqvxgydkAQV8GK83rZEWWONfqe/EW1ntlMMUu4kehDLI6z\n"
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"I6zppSSMEYCUWqKiuUnSwdzRp+0xESyeGabu4VXhwOrPDYTkF7eifKXeVSUG7szA\n"
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"eM7b41N5cdblIZQB2lWHmiRk9opmzN6cN82oNLFpmyPInngiK3BD41VHMWEZ71jF\n"
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"h1xA2syVP1XgNce4hL60Xc16gwFy7ofmXx2utYXGJt/mwZrpHgJHnyqobalbz+xF\n"
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"hS9OMPagMRYjyOfiZRYzy78aG6A9+MpeizGLYAiJLQwGXFK3xPkKmNEVX58Svnw2\n"
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"d3+YJ5oyXSrjhO7FmGYvliAd3djDJ9ew+f7Zfc3Qn48LFFhRny+Lwzgt3uiP1o2H\n"
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"Yzi9RKR/5CYrCsSXaQ3pjOLAEFe4yHYSkVXySGnYvCoCWw9E1CAx2/S6cCZdkGCe\n"
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"pPVWQxaZLPSkVrQ0uGE3ycJYgBugl6H8WY3pEfbRD0tVNEYqi4Y7\n"
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"vEsXCS+0yx5DaMkHJ8HSXPfqIbloEpw8nL+e/IBcm2PN7EeqJSdnoDfzAIJ9VNep\n"
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"-----END CERTIFICATE-----\n"
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"+OkuE6N36B9K\n"
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"-----BEGIN CERTIFICATE-----\n"
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"MIIFtTCCA52gAwIBAgIIYY3HhjsBggUwDQYJKoZIhvcNAQEFBQAwRDEWMBQGA1UE\n"
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"AwwNQUNFRElDT00gUm9vdDEMMAoGA1UECwwDUEtJMQ8wDQYDVQQKDAZFRElDT00x\n"
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"CzAJBgNVBAYTAkVTMB4XDTA4MDQxODE2MjQyMloXDTI4MDQxMzE2MjQyMlowRDEW\n"
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"MBQGA1UEAwwNQUNFRElDT00gUm9vdDEMMAoGA1UECwwDUEtJMQ8wDQYDVQQKDAZF\n"
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"RElDT00xCzAJBgNVBAYTAkVTMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKC\n"
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"AgEA/5KV4WgGdrQsyFhIyv2AVClVYyT/kGWbEHV7w2rbYgIB8hiGtXxaOLHkWLn7\n"
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"09gtn70yN78sFW2+tfQh0hOR2QetAQXW8713zl9CgQr5auODAKgrLlUTY4HKRxx7\n"
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"XBZXehuDYAQ6PmXDzQHe3qTWDLqO3tkE7hdWIpuPY/1NFgu3e3eM+SW10W2ZEi5P\n"
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"gvoFNTPhNahXwOf9jU8/kzJPeGYDdwdY6ZXIfj7QeQCM8htRM5u8lOk6e25SLTKe\n"
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"I6RF+7YuE7CLGLHdztUdp0J/Vb77W7tH1PwkzQSulgUV1qzOMPPKC8W64iLgpq0i\n"
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"5ALudBF/TP94HTXa5gI06xgSYXcGCRZj6hitoocf8seACQl1ThCojz2GuHURwCRi\n"
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"ipZ7SkXp7FnFvmuD5uHorLUwHv4FB4D54SMNUI8FmP8sX+g7tq3PgbUhh8oIKiMn\n"
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"MCArz+2UW6yyetLHKKGKC5tNSixthT8Jcjxn4tncB7rrZXtaAWPWkFtPF2Y9fwsZ\n"
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"o5NjEFIqnxQWWOLcpfShFosOkYuByptZ+thrkQdlVV9SH686+5DdaaVbnG0OLLb6\n"
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"zqylfDJKZ0DcMDQj3dcEI2bw/FWAp/tmGYI1Z2JwOV5vx+qQQEQIHriy1tvuWacN\n"
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"GHk0vFQYXlPKNFHtRQrmjseCNj6nOGOpMCwXEGCSn1WHElkQwg9naRHMTh5+Spqt\n"
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"r0CodaxWkHS4oJyleW/c6RrIaQXpuvoDs3zk4E7Czp3otkYNbn5XOmeUwssfnHdK\n"
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"Z05phkOTOPu220+DkdRgfks+KzgHVZhepA==\n"
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"-----END CERTIFICATE-----\n";
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"-----END CERTIFICATE-----\n";
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/* clear the current thread's OpenSSL error queue */
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BIO *cbio = BIO_new_mem_buf(mypem, sizeof(mypem));
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ERR_clear_error();
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X509_STORE *cts = SSL_CTX_get_cert_store((SSL_CTX *)sslctx);
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X509_INFO *itmp;
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int i, count = 0;
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STACK_OF(X509_INFO) *inf;
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(void)curl;
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(void)parm;
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/* get a BIO */
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if(!cts || !cbio) {
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bio = BIO_new_mem_buf(mypem, -1);
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return rv;
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if(!bio)
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goto err;
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/* use it to read the PEM formatted certificate from memory into an X509
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* structure that SSL can use
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*/
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if(!PEM_read_bio_X509(bio, &cert, 0, NULL))
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goto err;
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/* get a pointer to the X509 certificate store (which may be empty!) */
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store = SSL_CTX_get_cert_store((SSL_CTX *)sslctx);
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if(!store)
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goto err;
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/* add our certificate to this store */
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if(!X509_STORE_add_cert(store, cert)) {
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unsigned long error = ERR_peek_last_error();
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/* Ignore error X509_R_CERT_ALREADY_IN_HASH_TABLE which means the
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* certificate is already in the store. That could happen if
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* libcurl already loaded the certificate from a ca cert bundle
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* set at libcurl build-time or runtime.
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*/
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if(ERR_GET_LIB(error) != ERR_LIB_X509 ||
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ERR_GET_REASON(error) != X509_R_CERT_ALREADY_IN_HASH_TABLE)
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goto err;
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ERR_clear_error();
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}
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}
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rv = CURLE_OK;
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inf = PEM_X509_INFO_read_bio(cbio, NULL, NULL, NULL);
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err:
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if(!inf) {
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if(rv != CURLE_OK) {
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BIO_free(cbio);
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char errbuf[256];
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return rv;
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unsigned long error = ERR_peek_last_error();
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}
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fprintf(stderr, "error adding certificate\n");
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for(i = 0; i < sk_X509_INFO_num(inf); i++) {
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if(error) {
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itmp = sk_X509_INFO_value(inf, i);
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ERR_error_string_n(error, errbuf, sizeof(errbuf));
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if(itmp->x509) {
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fprintf(stderr, "%s\n", errbuf);
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X509_STORE_add_cert(cts, itmp->x509);
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count++;
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}
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if(itmp->crl) {
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X509_STORE_add_crl(cts, itmp->crl);
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count++;
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}
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}
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}
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}
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X509_free(cert);
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sk_X509_INFO_pop_free(inf, X509_INFO_free);
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BIO_free(bio);
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BIO_free(cbio);
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ERR_clear_error();
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rv = CURLE_OK;
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return rv;
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return rv;
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}
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}
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@ -142,9 +140,9 @@ int main(void)
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rv = curl_easy_setopt(ch, CURLOPT_SSL_VERIFYPEER, 1L);
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rv = curl_easy_setopt(ch, CURLOPT_SSL_VERIFYPEER, 1L);
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rv = curl_easy_setopt(ch, CURLOPT_URL, "https://www.example.com/");
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rv = curl_easy_setopt(ch, CURLOPT_URL, "https://www.example.com/");
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/* turn off the default CA locations (optional)
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/* Turn off the default CA locations, otherwise libcurl will load CA
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* otherwise libcurl will load CA certificates from the locations that
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* certificates from the locations that were detected/specified at
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* were detected/specified at build-time
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* build-time
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*/
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*/
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rv = curl_easy_setopt(ch, CURLOPT_CAINFO, NULL);
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rv = curl_easy_setopt(ch, CURLOPT_CAINFO, NULL);
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rv = curl_easy_setopt(ch, CURLOPT_CAPATH, NULL);
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rv = curl_easy_setopt(ch, CURLOPT_CAPATH, NULL);
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