diff options
Diffstat (limited to 'doc/examples/ex-x509-info.c')
| -rw-r--r-- | doc/examples/ex-x509-info.c | 155 |
1 files changed, 76 insertions, 79 deletions
diff --git a/doc/examples/ex-x509-info.c b/doc/examples/ex-x509-info.c index a54aeff468..f312a38ba8 100644 --- a/doc/examples/ex-x509-info.c +++ b/doc/examples/ex-x509-info.c @@ -1,7 +1,7 @@ /* This example code is placed in the public domain. */ #ifdef HAVE_CONFIG_H -#include <config.h> +# include <config.h> #endif #include <stdio.h> @@ -13,21 +13,21 @@ static const char *bin2hex(const void *bin, size_t bin_size) { - static char printable[110]; - const unsigned char *_bin = bin; - char *print; - size_t i; + static char printable[110]; + const unsigned char *_bin = bin; + char *print; + size_t i; - if (bin_size > 50) - bin_size = 50; + if (bin_size > 50) + bin_size = 50; - print = printable; - for (i = 0; i < bin_size; i++) { - sprintf(print, "%.2x ", _bin[i]); - print += 2; - } + print = printable; + for (i = 0; i < bin_size; i++) { + sprintf(print, "%.2x ", _bin[i]); + print += 2; + } - return printable; + return printable; } /* This function will print information about this session's peer @@ -35,91 +35,88 @@ static const char *bin2hex(const void *bin, size_t bin_size) */ void print_x509_certificate_info(gnutls_session_t session) { - char serial[40]; - char dn[256]; - size_t size; - unsigned int algo, bits; - time_t expiration_time, activation_time; - const gnutls_datum_t *cert_list; - unsigned int cert_list_size = 0; - gnutls_x509_crt_t cert; - gnutls_datum_t cinfo; + char serial[40]; + char dn[256]; + size_t size; + unsigned int algo, bits; + time_t expiration_time, activation_time; + const gnutls_datum_t *cert_list; + unsigned int cert_list_size = 0; + gnutls_x509_crt_t cert; + gnutls_datum_t cinfo; - /* This function only works for X.509 certificates. - */ - if (gnutls_certificate_type_get(session) != GNUTLS_CRT_X509) - return; + /* This function only works for X.509 certificates. + */ + if (gnutls_certificate_type_get(session) != GNUTLS_CRT_X509) + return; - cert_list = gnutls_certificate_get_peers(session, &cert_list_size); + cert_list = gnutls_certificate_get_peers(session, &cert_list_size); - printf("Peer provided %d certificates.\n", cert_list_size); + printf("Peer provided %d certificates.\n", cert_list_size); - if (cert_list_size > 0) { - int ret; + if (cert_list_size > 0) { + int ret; - /* we only print information about the first certificate. - */ - gnutls_x509_crt_init(&cert); + /* we only print information about the first certificate. + */ + gnutls_x509_crt_init(&cert); - gnutls_x509_crt_import(cert, &cert_list[0], - GNUTLS_X509_FMT_DER); + gnutls_x509_crt_import(cert, &cert_list[0], + GNUTLS_X509_FMT_DER); - printf("Certificate info:\n"); + printf("Certificate info:\n"); - /* This is the preferred way of printing short information about - a certificate. */ + /* This is the preferred way of printing short information about + a certificate. */ - ret = - gnutls_x509_crt_print(cert, GNUTLS_CRT_PRINT_ONELINE, - &cinfo); - if (ret == 0) { - printf("\t%s\n", cinfo.data); - gnutls_free(cinfo.data); - } + ret = + gnutls_x509_crt_print(cert, GNUTLS_CRT_PRINT_ONELINE, + &cinfo); + if (ret == 0) { + printf("\t%s\n", cinfo.data); + gnutls_free(cinfo.data); + } - /* If you want to extract fields manually for some other reason, - below are popular example calls. */ + /* If you want to extract fields manually for some other reason, + below are popular example calls. */ - expiration_time = - gnutls_x509_crt_get_expiration_time(cert); - activation_time = - gnutls_x509_crt_get_activation_time(cert); + expiration_time = gnutls_x509_crt_get_expiration_time(cert); + activation_time = gnutls_x509_crt_get_activation_time(cert); - printf("\tCertificate is valid since: %s", - ctime(&activation_time)); - printf("\tCertificate expires: %s", - ctime(&expiration_time)); + printf("\tCertificate is valid since: %s", + ctime(&activation_time)); + printf("\tCertificate expires: %s", ctime(&expiration_time)); - /* Print the serial number of the certificate. - */ - size = sizeof(serial); - gnutls_x509_crt_get_serial(cert, serial, &size); + /* Print the serial number of the certificate. + */ + size = sizeof(serial); + gnutls_x509_crt_get_serial(cert, serial, &size); - printf("\tCertificate serial number: %s\n", - bin2hex(serial, size)); + printf("\tCertificate serial number: %s\n", + bin2hex(serial, size)); - /* Extract some of the public key algorithm's parameters - */ - algo = gnutls_x509_crt_get_pk_algorithm(cert, &bits); + /* Extract some of the public key algorithm's parameters + */ + algo = gnutls_x509_crt_get_pk_algorithm(cert, &bits); - printf("Certificate public key: %s", - gnutls_pk_algorithm_get_name(algo)); + printf("Certificate public key: %s", + gnutls_pk_algorithm_get_name(algo)); - /* Print the version of the X.509 - * certificate. - */ - printf("\tCertificate version: #%d\n", - gnutls_x509_crt_get_version(cert)); + /* Print the version of the X.509 + * certificate. + */ + printf("\tCertificate version: #%d\n", + gnutls_x509_crt_get_version(cert)); - size = sizeof(dn); - gnutls_x509_crt_get_dn(cert, dn, &size); - printf("\tDN: %s\n", dn); + size = sizeof(dn); + gnutls_x509_crt_get_dn(cert, dn, &size); + printf("\tDN: %s\n", dn); - size = sizeof(dn); - gnutls_x509_crt_get_issuer_dn(cert, dn, &size); - printf("\tIssuer's DN: %s\n", dn); + size = sizeof(dn); + gnutls_x509_crt_get_issuer_dn(cert, dn, &size); + printf("\tIssuer's DN: %s\n", dn); - gnutls_x509_crt_deinit(cert); + gnutls_x509_crt_deinit(cert); - } + } } |