diff options
Diffstat (limited to 'lib/vtls/vtls.c')
| -rw-r--r-- | lib/vtls/vtls.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/lib/vtls/vtls.c b/lib/vtls/vtls.c index 3e52220fc..ed43e1d46 100644 --- a/lib/vtls/vtls.c +++ b/lib/vtls/vtls.c @@ -130,9 +130,14 @@ void Curl_free_primary_ssl_config(struct ssl_primary_config* sslc) Curl_safefree(sslc->clientcert); } +#ifdef USE_SSL +static int multissl_init(void); +#endif + int Curl_ssl_backend(void) { #ifdef USE_SSL + multissl_init(); return Curl_ssl->id; #else return (int)CURLSSLBACKEND_NONE; @@ -1049,4 +1054,142 @@ CURLcode Curl_none_md5sum(unsigned char *input, size_t inputlen, return CURLE_OK; } +static int Curl_multissl_init(void) +{ + if(multissl_init()) + return 1; + return Curl_ssl->init(); +} + +static size_t Curl_multissl_version(char *buffer, size_t size) +{ + if(multissl_init()) + return 0; + return Curl_ssl->version(buffer, size); +} + +static CURLcode Curl_multissl_connect(struct connectdata *conn, int sockindex) +{ + if(multissl_init()) + return CURLE_FAILED_INIT; + return Curl_ssl->connect(conn, sockindex); +} + +static CURLcode Curl_multissl_connect_nonblocking(struct connectdata *conn, + int sockindex, bool *done) +{ + if(multissl_init()) + return CURLE_FAILED_INIT; + return Curl_ssl->connect_nonblocking(conn, sockindex, done); +} + +static void *Curl_multissl_get_internals(struct ssl_connect_data *connssl, + CURLINFO info) +{ + if(multissl_init()) + return NULL; + return Curl_ssl->get_internals(connssl, info); +} + +static void Curl_multissl_close(struct connectdata *conn, int sockindex) +{ + if(multissl_init()) + return; + Curl_ssl->close(conn, sockindex); +} + +static const struct Curl_ssl Curl_ssl_multi = { + "multi", /* name */ + CURLSSLBACKEND_NONE, + + 0, /* have_ca_path */ + 0, /* have_certinfo */ + 0, /* have_pinnedpubkey */ + 0, /* have_ssl_ctx */ + 0, /* support_https_proxy */ + + (size_t)-1, /* something insanely large to be on the safe side */ + + Curl_multissl_init, /* init */ + Curl_none_cleanup, /* cleanup */ + Curl_multissl_version, /* version */ + Curl_none_check_cxn, /* check_cxn */ + Curl_none_shutdown, /* shutdown */ + Curl_none_data_pending, /* data_pending */ + Curl_none_random, /* random */ + Curl_none_cert_status_request, /* cert_status_request */ + Curl_multissl_connect, /* connect */ + Curl_multissl_connect_nonblocking, /* connect_nonblocking */ + Curl_multissl_get_internals, /* get_internals */ + Curl_multissl_close, /* close */ + Curl_none_close_all, /* close_all */ + Curl_none_session_free, /* session_free */ + Curl_none_set_engine, /* set_engine */ + Curl_none_set_engine_default, /* set_engine_default */ + Curl_none_engines_list, /* engines_list */ + Curl_none_false_start, /* false_start */ + Curl_none_md5sum, /* md5sum */ + NULL /* sha256sum */ +}; + +const struct Curl_ssl *Curl_ssl = &Curl_ssl_multi; + +static const struct Curl_ssl *available_backends[] = { +#if defined(USE_AXTLS) + &Curl_ssl_axtls, +#endif +#if defined(USE_CYASSL) + &Curl_ssl_cyassl, +#endif +#if defined(USE_DARWINSSL) + &Curl_ssl_darwinssl, +#endif +#if defined(USE_GNUTLS) + &Curl_ssl_gnutls, +#endif +#if defined(USE_GSKIT) + &Curl_ssl_gskit, +#endif +#if defined(USE_MBEDTLS) + &Curl_ssl_mbedtls, +#endif +#if defined(USE_NSS) + &Curl_ssl_nss, +#endif +#if defined(USE_OPENSSL) + &Curl_ssl_openssl, +#endif +#if defined(USE_POLARSSL) + &Curl_ssl_polarssl, +#endif +#if defined(USE_SCHANNEL) + &Curl_ssl_schannel, +#endif + NULL +}; + +static int multissl_init(void) +{ + const char *env; + int i; + + if(Curl_ssl != &Curl_ssl_multi) + return 1; + + if(!available_backends[0]) + return 1; + + env = getenv("CURL_SSL_BACKEND"); + if(env) + for(i = 0; available_backends[i]; i++) + if(!strcmp(env, available_backends[i]->name)) { + Curl_ssl = available_backends[i]; + return 0; + } + + /* Fall back to first available backend */ + Curl_ssl = available_backends[0]; + return 0; +} + #endif /* USE_SSL */ |