aboutsummaryrefslogtreecommitdiff
path: root/docs
diff options
context:
space:
mode:
Diffstat (limited to 'docs')
-rw-r--r--docs/examples/Makefile.am2
-rw-r--r--docs/examples/cacertinmem.c138
2 files changed, 139 insertions, 1 deletions
diff --git a/docs/examples/Makefile.am b/docs/examples/Makefile.am
index d2a60a0f6..488bf7929 100644
--- a/docs/examples/Makefile.am
+++ b/docs/examples/Makefile.am
@@ -11,7 +11,7 @@ EXTRA_DIST = README curlgtk.c sepheaders.c simple.c postit2.c \
multi-post.c fopen.c simplepost.c makefile.dj curlx.c https.c \
multi-debugcallback.c fileupload.c getinfo.c ftp3rdparty.c debug.c \
anyauthput.c htmltitle.cc htmltidy.c opensslthreadlock.c \
- cookie_interface.c
+ cookie_interface.c cacertinmem.c
all:
@echo "done"
diff --git a/docs/examples/cacertinmem.c b/docs/examples/cacertinmem.c
new file mode 100644
index 000000000..de5e3248e
--- /dev/null
+++ b/docs/examples/cacertinmem.c
@@ -0,0 +1,138 @@
+/*****************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * $Id$
+ *
+ * Example using a "in core" PEM certificate to retrieve a https page.
+ * Written by Theo Borm
+ */
+
+/* on a netBSD system with OPENSSL& LIBCURL installed from
+ * pkgsrc (using default paths) this program can be compiled using:
+ * gcc -I/usr/pkg/include -L/usr/pkg/lib -lcurl -Wl,-R/usr/pkg/lib -lssl
+ * -lcrypto -lz -o curlcacerttest curlcacerttest.c
+ * on other operating systems you may want to change paths to headers
+ * and libraries
+*/
+#include <openssl/ssl.h>
+#include <curl/curl.h>
+#include <stdio.h>
+
+size_t writefunction( void *ptr, size_t size, size_t nmemb, void *stream)
+{
+ fwrite(ptr,size,nmemb,stream);
+ return(nmemb*size);
+}
+
+static CURLcode sslctx_function(CURL * curl, void * sslctx, void * parm)
+{
+ X509_STORE * store;
+ X509 * cert=NULL;
+ BIO * bio;
+ char * mypem = /* www.cacert.org */
+ "-----BEGIN CERTIFICATE-----\n"\
+ "MIIHPTCCBSWgAwIBAgIBADANBgkqhkiG9w0BAQQFADB5MRAwDgYDVQQKEwdSb290\n"\
+ "IENBMR4wHAYDVQQLExVodHRwOi8vd3d3LmNhY2VydC5vcmcxIjAgBgNVBAMTGUNB\n"\
+ "IENlcnQgU2lnbmluZyBBdXRob3JpdHkxITAfBgkqhkiG9w0BCQEWEnN1cHBvcnRA\n"\
+ "Y2FjZXJ0Lm9yZzAeFw0wMzAzMzAxMjI5NDlaFw0zMzAzMjkxMjI5NDlaMHkxEDAO\n"\
+ "BgNVBAoTB1Jvb3QgQ0ExHjAcBgNVBAsTFWh0dHA6Ly93d3cuY2FjZXJ0Lm9yZzEi\n"\
+ "MCAGA1UEAxMZQ0EgQ2VydCBTaWduaW5nIEF1dGhvcml0eTEhMB8GCSqGSIb3DQEJ\n"\
+ "ARYSc3VwcG9ydEBjYWNlcnQub3JnMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIIC\n"\
+ "CgKCAgEAziLA4kZ97DYoB1CW8qAzQIxL8TtmPzHlawI229Z89vGIj053NgVBlfkJ\n"\
+ "8BLPRoZzYLdufujAWGSuzbCtRRcMY/pnCujW0r8+55jE8Ez64AO7NV1sId6eINm6\n"\
+ "zWYyN3L69wj1x81YyY7nDl7qPv4coRQKFWyGhFtkZip6qUtTefWIonvuLwphK42y\n"\
+ "fk1WpRPs6tqSnqxEQR5YYGUFZvjARL3LlPdCfgv3ZWiYUQXw8wWRBB0bF4LsyFe7\n"\
+ "w2t6iPGwcswlWyCR7BYCEo8y6RcYSNDHBS4CMEK4JZwFaz+qOqfrU0j36NK2B5jc\n"\
+ "G8Y0f3/JHIJ6BVgrCFvzOKKrF11myZjXnhCLotLddJr3cQxyYN/Nb5gznZY0dj4k\n"\
+ "epKwDpUeb+agRThHqtdB7Uq3EvbXG4OKDy7YCbZZ16oE/9KTfWgu3YtLq1i6L43q\n"\
+ "laegw1SJpfvbi1EinbLDvhG+LJGGi5Z4rSDTii8aP8bQUWWHIbEZAWV/RRyH9XzQ\n"\
+ "QUxPKZgh/TMfdQwEUfoZd9vUFBzugcMd9Zi3aQaRIt0AUMyBMawSB3s42mhb5ivU\n"\
+ "fslfrejrckzzAeVLIL+aplfKkQABi6F1ITe1Yw1nPkZPcCBnzsXWWdsC4PDSy826\n"\
+ "YreQQejdIOQpvGQpQsgi3Hia/0PsmBsJUUtaWsJx8cTLc6nloQsCAwEAAaOCAc4w\n"\
+ "ggHKMB0GA1UdDgQWBBQWtTIb1Mfz4OaO873SsDrusjkY0TCBowYDVR0jBIGbMIGY\n"\
+ "gBQWtTIb1Mfz4OaO873SsDrusjkY0aF9pHsweTEQMA4GA1UEChMHUm9vdCBDQTEe\n"\
+ "MBwGA1UECxMVaHR0cDovL3d3dy5jYWNlcnQub3JnMSIwIAYDVQQDExlDQSBDZXJ0\n"\
+ "IFNpZ25pbmcgQXV0aG9yaXR5MSEwHwYJKoZIhvcNAQkBFhJzdXBwb3J0QGNhY2Vy\n"\
+ "dC5vcmeCAQAwDwYDVR0TAQH/BAUwAwEB/zAyBgNVHR8EKzApMCegJaAjhiFodHRw\n"\
+ "czovL3d3dy5jYWNlcnQub3JnL3Jldm9rZS5jcmwwMAYJYIZIAYb4QgEEBCMWIWh0\n"\
+ "dHBzOi8vd3d3LmNhY2VydC5vcmcvcmV2b2tlLmNybDA0BglghkgBhvhCAQgEJxYl\n"\
+ "aHR0cDovL3d3dy5jYWNlcnQub3JnL2luZGV4LnBocD9pZD0xMDBWBglghkgBhvhC\n"\
+ "AQ0ESRZHVG8gZ2V0IHlvdXIgb3duIGNlcnRpZmljYXRlIGZvciBGUkVFIGhlYWQg\n"\
+ "b3ZlciB0byBodHRwOi8vd3d3LmNhY2VydC5vcmcwDQYJKoZIhvcNAQEEBQADggIB\n"\
+ "ACjH7pyCArpcgBLKNQodgW+JapnM8mgPf6fhjViVPr3yBsOQWqy1YPaZQwGjiHCc\n"\
+ "nWKdpIevZ1gNMDY75q1I08t0AoZxPuIrA2jxNGJARjtT6ij0rPtmlVOKTV39O9lg\n"\
+ "18p5aTuxZZKmxoGCXJzN600BiqXfEVWqFcofN8CCmHBh22p8lqOOLlQ+TyGpkO/c\n"\
+ "gr/c6EWtTZBzCDyUZbAEmXZ/4rzCahWqlwQ3JNgelE5tDlG+1sSPypZt90Pf6DBl\n"\
+ "Jzt7u0NDY8RD97LsaMzhGY4i+5jhe1o+ATc7iwiwovOVThrLm82asduycPAtStvY\n"\
+ "sONvRUgzEv/+PDIqVPfE94rwiCPCR/5kenHA0R6mY7AHfqQv0wGP3J8rtsYIqQ+T\n"\
+ "SCX8Ev2fQtzzxD72V7DX3WnRBnc0CkvSyqD/HMaMyRa+xMwyN2hzXwj7UfdJUzYF\n"\
+ "CpUCTPJ5GhD22Dp1nPMd8aINcGeGG7MW9S/lpOt5hvk9C8JzC6WZrG/8Z7jlLwum\n"\
+ "GCSNe9FINSkYQKyTYOGWhlC0elnYjyELn8+CkcY7v2vcB5G5l1YjqrZslMZIBjzk\n"\
+ "zk6q5PYvCdxTby78dOs6Y5nCpqyJvKeyRKANihDjbPIky/qbn3BHLt4Ui9SyIAmW\n"\
+ "omTxJBzcoTWcFbLUvFUufQb1nA5V9FrWk9p2rSVzTMVD\n"\
+ "-----END CERTIFICATE-----\n";
+ /* get a BIO */
+ bio=BIO_new_mem_buf(mypem, -1);
+ /* use it to read the PEM formatted certificate from memory into an X509
+ * structure that SSL can use
+ */
+ PEM_read_bio_X509(bio, &cert, 0, NULL);
+ if (cert == NULL)
+ printf("PEM_read_bio_X509 failed...\n");
+
+ /* get a pointer to the X509 certificate store (which may be empty!) */
+ store=SSL_CTX_get_cert_store((SSL_CTX *)sslctx);
+
+ /* add our certificate to this store */
+ if (X509_STORE_add_cert(store, cert)==0)
+ printf("error adding certificate\n");
+
+ /* all set to go */
+ return CURLE_OK ;
+}
+
+int main(void)
+{
+ CURL * ch;
+ CURLcode rv;
+
+ rv=curl_global_init(CURL_GLOBAL_ALL);
+ ch=curl_easy_init();
+ rv=curl_easy_setopt(ch,CURLOPT_VERBOSE, 0);
+ rv=curl_easy_setopt(ch,CURLOPT_HEADER, 0);
+ rv=curl_easy_setopt(ch,CURLOPT_NOPROGRESS, 1);
+ rv=curl_easy_setopt(ch,CURLOPT_NOSIGNAL, 1);
+ rv=curl_easy_setopt(ch,CURLOPT_WRITEFUNCTION, *writefunction);
+ rv=curl_easy_setopt(ch,CURLOPT_WRITEDATA, stdout);
+ rv=curl_easy_setopt(ch,CURLOPT_HEADERFUNCTION, *writefunction);
+ rv=curl_easy_setopt(ch,CURLOPT_WRITEHEADER, stderr);
+ rv=curl_easy_setopt(ch,CURLOPT_SSLCERTTYPE,"PEM");
+ rv=curl_easy_setopt(ch,CURLOPT_SSL_VERIFYPEER,1);
+ rv=curl_easy_setopt(ch, CURLOPT_URL, "https://www.cacert.org/");
+
+ /* first try: retrieve page without cacerts' certificate -> will fail
+ */
+ rv=curl_easy_perform(ch);
+ if (rv==CURLE_OK)
+ printf("*** transfer succeeded ***\n");
+ else
+ printf("*** transfer failed ***\n");
+
+ /* second try: retrieve page using cacerts' certificate -> will succeed
+ * load the certificate by installing a function doing the nescessary
+ * "modifications" to the SSL CONTEXT just before link init
+ */
+ rv=curl_easy_setopt(ch,CURLOPT_SSL_CTX_FUNCTION, *sslctx_function);
+ rv=curl_easy_perform(ch);
+ if (rv==CURLE_OK)
+ printf("*** transfer succeeded ***\n");
+ else
+ printf("*** transfer failed ***\n");
+
+ curl_easy_cleanup(ch);
+ curl_global_cleanup();
+}