diff options
Diffstat (limited to 'imap/src')
-rw-r--r-- | imap/src/osdep/unix/ssl_unix.c | 83 |
1 files changed, 71 insertions, 12 deletions
diff --git a/imap/src/osdep/unix/ssl_unix.c b/imap/src/osdep/unix/ssl_unix.c index 16b4228c..9498eb0e 100644 --- a/imap/src/osdep/unix/ssl_unix.c +++ b/imap/src/osdep/unix/ssl_unix.c @@ -33,6 +33,10 @@ #include <bio.h> #include <crypto.h> #include <rand.h> +#ifdef OPENSSL_1_1_0 +#include <rsa.h> +#include <bn.h> +#endif /* OPENSSL_1_1_0 */ #undef STRING #undef crypt @@ -78,7 +82,14 @@ static long ssl_compare_hostnames (unsigned char *s,unsigned char *pat); static char *ssl_getline_work (SSLSTREAM *stream,unsigned long *size, long *contd); static long ssl_abort (SSLSTREAM *stream); -static RSA *ssl_genkey (SSL *con,int export,int keylength); + +#ifdef OPENSSL_1_1_0 +#define SSL_CTX_TYPE SSL_CTX +#else +#define SSL_CTX_TYPE SSL +#endif /* OPENSSL_1_1_0 */ + +static RSA *ssl_genkey (SSL_CTX_TYPE *con,int export,int keylength); /* Secure Sockets Layer network driver dispatch */ @@ -128,7 +139,11 @@ void ssl_onceonlyinit (void) /* apply runtime linkage */ mail_parameters (NIL,SET_SSLDRIVER,(void *) &ssldriver); mail_parameters (NIL,SET_SSLSTART,(void *) ssl_start); +#ifdef OPENSSL_1_1_0 + OPENSSL_init_ssl(0, NULL); +#else SSL_library_init (); /* add all algorithms */ +#endif /* OPENSSL_1_1_0 */ } } @@ -163,16 +178,26 @@ SSLSTREAM *ssl_aopen (NETMBX *mb,char *service,char *usrbuf) */ const SSL_METHOD *ssl_connect_mthd(int flag) { +#ifdef OPENSSL_1_1_0 if(flag & NET_TRYTLS1) - return TLSv1_client_method(); + return TLS_client_method(); +#else + if(flag & NET_TRYTLS1) + return TLSv1_client_method(); +#endif /* OPENSSL_1_1_0 */ #ifdef TLSV1_2 else if(flag & NET_TRYTLS1_1) return TLSv1_1_client_method(); else if(flag & NET_TRYTLS1_2) return TLSv1_2_client_method(); -#endif +#endif /* TLSV1_2 */ +#ifdef OPENSSL_1_1_0 + else if(flag & NET_TRYDTLS1) + return DTLS_client_method(); +#else else if(flag & NET_TRYDTLS1) return DTLSv1_client_method(); +#endif /* OPENSSL_1_1_0 */ else return SSLv23_client_method(); } @@ -242,7 +267,7 @@ static char *ssl_start_work (SSLSTREAM *stream,char *host,unsigned long flags) BIO *bio; X509 *cert; unsigned long sl,tl; - char *s,*t,*err,tmp[MAILTMPLEN]; + char *s,*t,*err,tmp[MAILTMPLEN], buf[256]; sslcertificatequery_t scq = (sslcertificatequery_t) mail_parameters (NIL,GET_SSLCERTIFICATEQUERY,NIL); sslclientcert_t scc = @@ -300,9 +325,10 @@ static char *ssl_start_work (SSLSTREAM *stream,char *host,unsigned long flags) (err = ssl_validate_cert (cert = SSL_get_peer_certificate (stream->con), host))) { /* application callback */ - if (scq) return (*scq) (err,host,cert ? cert->name : "???") ? NIL : ""; + X509_NAME_oneline (X509_get_subject_name(cert), buf, sizeof(buf)); + if (scq) return (*scq) (err,host,cert ? buf : "???") ? NIL : ""; /* error message to return via mm_log() */ - sprintf (tmp,"*%.128s: %.255s",err,cert ? cert->name : "???"); + sprintf (tmp,"*%.128s: %.255s",err,cert ? buf : "???"); return ssl_last_error = cpystr (tmp); } return NIL; @@ -346,20 +372,28 @@ static int ssl_open_verify (int ok,X509_STORE_CTX *ctx) static char *ssl_validate_cert (X509 *cert,char *host) { int i,n; - char *s,*t,*ret; + char *s=NULL,*t,*ret; void *ext; GENERAL_NAME *name; + X509_NAME *cname; + X509_NAME_ENTRY *e; + char buf[256]; /* make sure have a certificate */ if (!cert) ret = "No certificate from server"; /* and that it has a name */ - else if (!cert->name) ret = "No name in certificate"; + else if (!(cname = X509_get_subject_name(cert))) ret = "No name in certificate"; /* locate CN */ - else if ((s = strstr (cert->name,"/CN=")) != NULL) { - if ((t = strchr (s += 4,'/')) != NULL) *t = '\0'; + else{ + if((e = X509_NAME_get_entry(cname, X509_NAME_entry_count(cname)-1)) != NULL){ + X509_NAME_get_text_by_OBJ(cname, X509_NAME_ENTRY_get_object(e), buf, sizeof(buf)); + s = (char *) buf; + } + else s = NULL; + } + if (s != NULL) { /* host name matches pattern? */ ret = ssl_compare_hostnames (host,s) ? NIL : "Server name does not match certificate"; - if (t) *t = '/'; /* restore smashed delimiter */ /* if mismatch, see if in extensions */ if (ret && (ext = X509_get_ext_d2i (cert,NID_subject_alt_name,NIL,NIL)) && (n = sk_GENERAL_NAME_num (ext))) @@ -719,8 +753,13 @@ void ssl_server_init (char *server) SSLSTREAM *stream = (SSLSTREAM *) memset (fs_get (sizeof (SSLSTREAM)),0, sizeof (SSLSTREAM)); ssl_onceonlyinit (); /* make sure algorithms added */ +#ifdef OPENSSL_1_1_0 + OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); + OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS|OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); +#else ERR_load_crypto_strings (); SSL_load_error_strings (); +#endif /* OPENSSL_1_1_0 */ /* build specific certificate/key file names */ sprintf (cert,"%s/%s-%s.pem",SSL_CERT_DIRECTORY,server,tcp_serveraddr ()); sprintf (key,"%s/%s-%s.pem",SSL_KEY_DIRECTORY,server,tcp_serveraddr ()); @@ -732,9 +771,15 @@ void ssl_server_init (char *server) if (stat (key,&sbuf)) strcpy (key,cert); } /* create context */ +#ifdef OPENSSL_1_1_0 + if (!(stream->context = SSL_CTX_new (start_tls ? + TLS_server_method () : + SSLv23_server_method ()))) +#else if (!(stream->context = SSL_CTX_new (start_tls ? TLSv1_server_method () : SSLv23_server_method ()))) +#endif /* OPENSSL_1_1_0 */ syslog (LOG_ALERT,"Unable to create SSL context, host=%.80s", tcp_clienthost ()); else { /* set context options */ @@ -754,8 +799,13 @@ void ssl_server_init (char *server) key,tcp_clienthost ()); else { /* generate key if needed */ +#ifdef OPENSSL_1_1_0 + if (0) + ssl_genkey(stream->context, 0, 0); +#else if (SSL_CTX_need_tmp_RSA (stream->context)) SSL_CTX_set_tmp_rsa_callback (stream->context,ssl_genkey); +#endif /* OPENSSL_1_1_0 */ /* create new SSL connection */ if (!(stream->con = SSL_new (stream->context))) syslog (LOG_ALERT,"Unable to create SSL connection, host=%.80s", @@ -798,19 +848,28 @@ void ssl_server_init (char *server) * Returns: generated key, always */ -static RSA *ssl_genkey (SSL *con,int export,int keylength) +static RSA *ssl_genkey (SSL_CTX_TYPE *con,int export,int keylength) { unsigned long i; static RSA *key = NIL; if (!key) { /* if don't have a key already */ /* generate key */ +#ifdef OPENSSL_1_1_0 + BIGNUM *e = BN_new(); + if (!RSA_generate_key_ex (key, export ? keylength : 1024, e,NIL)) { +#else if (!(key = RSA_generate_key (export ? keylength : 1024,RSA_F4,NIL,NIL))) { +#endif /* OPENSSL_1_1_0 */ syslog (LOG_ALERT,"Unable to generate temp key, host=%.80s", tcp_clienthost ()); while ((i = ERR_get_error ()) != 0L) syslog (LOG_ALERT,"SSL error status: %s",ERR_error_string (i,NIL)); exit (1); } +#ifdef OPENSSL_1_1_0 + BN_free(e); + e = NULL; +#endif /* OPENSSL_1_1_0 */ } return key; } |