author | Tero Marttila <terom@fixme.fi> |
Thu, 28 May 2009 01:17:36 +0300 | |
branch | new-lib-errors |
changeset 219 | cefec18b8268 |
parent 181 | src/ssl.c@b12a6081fc85 |
permissions | -rw-r--r-- |
181 | 1 |
#include "ssl_internal.h" |
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#include <assert.h> |
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static const char* _gnutls_error_msg (const struct error_extra_type *type, const union error_extra *extra) |
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{ |
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(void) type; |
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return gnutls_strerror(extra->int_); |
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} |
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static const struct error_extra_type _gnutls_error_type = { |
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.name = "gnutls", |
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.msg_func = _gnutls_error_msg |
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}; |
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const struct error_list ssl_errors = ERROR_LIST("gnutls", |
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ERROR_TYPE_EXTRA( ERR_GNUTLS_CERT_ALLOC_CRED, "gnutls_certificate_allocate_credentials", &_gnutls_error_type ), |
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ERROR_TYPE_EXTRA( ERR_GNUTLS_GLOBAL_INIT, "gnutls_global_init", &_gnutls_error_type ), |
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ERROR_TYPE_EXTRA( ERR_GNUTLS_SET_DEFAULT_PRIORITY, "gnutls_set_default_priority", &_gnutls_error_type ), |
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ERROR_TYPE_EXTRA( ERR_GNUTLS_CRED_SET, "gnutls_credentials_set", &_gnutls_error_type ), |
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ERROR_TYPE_EXTRA( ERR_GNUTLS_HANDSHAKE, "gnutls_handshake", &_gnutls_error_type ), |
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ERROR_TYPE_EXTRA( ERR_GNUTLS_RECORD_SEND, "gnutls_record_send", &_gnutls_error_type ), |
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ERROR_TYPE_EXTRA( ERR_GNUTLS_RECORD_RECV, "gnutls_record_recv", &_gnutls_error_type ), |
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ERROR_TYPE_EXTRA( ERR_GNUTLS_RECORD_GET_DIRECTION, "gnutls_record_get_direction", &_gnutls_error_type ), |
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ERROR_TYPE_EXTRA( ERR_GNUTLS_CERT_VERIFY_PEERS2, "gnutls_certificate_verify_peers2", &_gnutls_error_type ), |
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ERROR_TYPE_STRING( ERR_GNUTLS_CERT_VERIFY, "X.509 Certificate verification failed" ), |
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ERROR_TYPE_EXTRA( ERR_GNUTLS_CERT_SET_X509_TRUST_FILE,"gnutls_certificate_set_x509_trust_file", &_gnutls_error_type ), |
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ERROR_TYPE_EXTRA( ERR_GNUTLS_CERT_SET_X509_KEY_FILE, "gnutls_certificate_set_x509_key_file", &_gnutls_error_type ) |
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); |
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/* |
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* Global shared anonymous client credentials |
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*/ |
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struct ssl_client_cred ssl_client_cred_anon = { .x509 = NULL, .verify = false, .refcount = 0 }; |
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// XXX: GnuTLS log func |
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void _log (int level, const char *msg) |
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{ |
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printf("gnutls: %d: %s", level, msg); |
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} |
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err_t ssl_global_init (error_t *err) |
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{ |
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// global init |
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if ((ERROR_EXTRA(err) = gnutls_global_init()) < 0) |
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return SET_ERROR(err, ERR_GNUTLS_GLOBAL_INIT); |
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// initialize the anon client credentials |
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if ((ERROR_EXTRA(err) = gnutls_certificate_allocate_credentials(&ssl_client_cred_anon.x509)) < 0) |
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return SET_ERROR(err, ERR_GNUTLS_CERT_ALLOC_CRED); |
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// XXX: debug |
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// gnutls_global_set_log_function(&_log); |
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// gnutls_global_set_log_level(11); |
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// done |
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return SUCCESS; |
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} |
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static void ssl_client_cred_destroy (struct ssl_client_cred *cred) |
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{ |
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// simple |
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gnutls_certificate_free_credentials(cred->x509); |
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free(cred); |
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} |
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err_t ssl_client_cred_create (struct ssl_client_cred **ctx_cred, |
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const char *cafile_path, bool verify, |
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const char *cert_path, const char *pkey_path, |
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error_t *err |
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) { |
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struct ssl_client_cred *cred; |
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// alloc it |
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if ((cred = calloc(1, sizeof(*cred))) == NULL) |
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return SET_ERROR(err, ERR_CALLOC); |
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// create the cert |
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if ((ERROR_EXTRA(err) = gnutls_certificate_allocate_credentials(&cred->x509)) < 0) |
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JUMP_SET_ERROR(err, ERR_GNUTLS_CERT_ALLOC_CRED); |
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// load the trusted ca certs? |
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if (cafile_path) { |
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// load them |
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if ((ERROR_EXTRA(err) = gnutls_certificate_set_x509_trust_file(cred->x509, cafile_path, GNUTLS_X509_FMT_PEM)) < 0) |
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JUMP_SET_ERROR(err, ERR_GNUTLS_CERT_SET_X509_TRUST_FILE); |
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} |
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// set the verify flags? |
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cred->verify = verify; |
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gnutls_certificate_set_verify_flags(cred->x509, 0); |
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// load the client cert? |
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if (cert_path || pkey_path) { |
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// need both... |
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assert(cert_path && pkey_path); |
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// load |
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if ((ERROR_EXTRA(err) = gnutls_certificate_set_x509_key_file(cred->x509, cert_path, pkey_path, GNUTLS_X509_FMT_PEM))) |
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JUMP_SET_ERROR(err, ERR_GNUTLS_CERT_SET_X509_KEY_FILE); |
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} |
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// ok |
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cred->refcount = 1; |
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*ctx_cred = cred; |
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return SUCCESS; |
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error: |
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// release |
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ssl_client_cred_destroy(cred); |
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return ERROR_CODE(err); |
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} |
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void ssl_client_cred_get (struct ssl_client_cred *cred) |
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{ |
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cred->refcount++; |
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} |
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void ssl_client_cred_put (struct ssl_client_cred *cred) |
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{ |
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if (--cred->refcount == 0) |
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ssl_client_cred_destroy(cred); |
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} |