diff options
author | marha <marha@users.sourceforge.net> | 2012-04-10 11:41:26 +0200 |
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committer | marha <marha@users.sourceforge.net> | 2012-04-10 11:41:26 +0200 |
commit | 67326634496ef21b4acbf4cef2f05040d34aef9b (patch) | |
tree | f19fba7c7b691e44cd97482644e383e09ab98c49 /openssl/apps/s_client.c | |
parent | c6f80401dc533b04341afe8d596960d1bc25efce (diff) | |
download | vcxsrv-67326634496ef21b4acbf4cef2f05040d34aef9b.tar.gz vcxsrv-67326634496ef21b4acbf4cef2f05040d34aef9b.tar.bz2 vcxsrv-67326634496ef21b4acbf4cef2f05040d34aef9b.zip |
Update to openssl-1.0.1
Diffstat (limited to 'openssl/apps/s_client.c')
-rw-r--r-- | openssl/apps/s_client.c | 388 |
1 files changed, 374 insertions, 14 deletions
diff --git a/openssl/apps/s_client.c b/openssl/apps/s_client.c index 53be0f8f8..098cce27d 100644 --- a/openssl/apps/s_client.c +++ b/openssl/apps/s_client.c @@ -163,6 +163,9 @@ typedef unsigned int u_int; #include <openssl/rand.h> #include <openssl/ocsp.h> #include <openssl/bn.h> +#ifndef OPENSSL_NO_SRP +#include <openssl/srp.h> +#endif #include "s_apps.h" #include "timeouts.h" @@ -203,6 +206,9 @@ static int c_status_req=0; static int c_msg=0; static int c_showcerts=0; +static char *keymatexportlabel=NULL; +static int keymatexportlen=20; + static void sc_usage(void); static void print_stuff(BIO *berr,SSL *con,int full); #ifndef OPENSSL_NO_TLSEXT @@ -316,12 +322,21 @@ static void sc_usage(void) BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); # endif #endif +#ifndef OPENSSL_NO_SRP + BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n"); + BIO_printf(bio_err," -srppass arg - password for 'user'\n"); + BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n"); + BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n"); + BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N); +#endif BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); + BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n"); + BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n"); BIO_printf(bio_err," -tls1 - just use TLSv1\n"); BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); BIO_printf(bio_err," -mtu - set the link layer MTU\n"); - BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); + BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); @@ -342,8 +357,14 @@ static void sc_usage(void) BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); BIO_printf(bio_err," -status - request certificate status from server\n"); BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); +# if !defined(OPENSSL_NO_NEXTPROTONEG) + BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); +# endif #endif BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); + BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); + BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); + BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); } #ifndef OPENSSL_NO_TLSEXT @@ -366,6 +387,156 @@ static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) return SSL_TLSEXT_ERR_OK; } + +#ifndef OPENSSL_NO_SRP + +/* This is a context that we pass to all callbacks */ +typedef struct srp_arg_st + { + char *srppassin; + char *srplogin; + int msg; /* copy from c_msg */ + int debug; /* copy from c_debug */ + int amp; /* allow more groups */ + int strength /* minimal size for N */ ; + } SRP_ARG; + +#define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 + +static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) + { + BN_CTX *bn_ctx = BN_CTX_new(); + BIGNUM *p = BN_new(); + BIGNUM *r = BN_new(); + int ret = + g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && + BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && + p != NULL && BN_rshift1(p, N) && + + /* p = (N-1)/2 */ + BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && + r != NULL && + + /* verify g^((N-1)/2) == -1 (mod N) */ + BN_mod_exp(r, g, p, N, bn_ctx) && + BN_add_word(r, 1) && + BN_cmp(r, N) == 0; + + if(r) + BN_free(r); + if(p) + BN_free(p); + if(bn_ctx) + BN_CTX_free(bn_ctx); + return ret; + } + +/* This callback is used here for two purposes: + - extended debugging + - making some primality tests for unknown groups + The callback is only called for a non default group. + + An application does not need the call back at all if + only the stanard groups are used. In real life situations, + client and server already share well known groups, + thus there is no need to verify them. + Furthermore, in case that a server actually proposes a group that + is not one of those defined in RFC 5054, it is more appropriate + to add the group to a static list and then compare since + primality tests are rather cpu consuming. +*/ + +static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) + { + SRP_ARG *srp_arg = (SRP_ARG *)arg; + BIGNUM *N = NULL, *g = NULL; + if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) + return 0; + if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) + { + BIO_printf(bio_err, "SRP parameters:\n"); + BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); + BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); + BIO_printf(bio_err,"\n"); + } + + if (SRP_check_known_gN_param(g,N)) + return 1; + + if (srp_arg->amp == 1) + { + if (srp_arg->debug) + BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); + +/* The srp_moregroups is a real debugging feature. + Implementors should rather add the value to the known ones. + The minimal size has already been tested. +*/ + if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g)) + return 1; + } + BIO_printf(bio_err, "SRP param N and g rejected.\n"); + return 0; + } + +#define PWD_STRLEN 1024 + +static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) + { + SRP_ARG *srp_arg = (SRP_ARG *)arg; + char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); + PW_CB_DATA cb_tmp; + int l; + + cb_tmp.password = (char *)srp_arg->srppassin; + cb_tmp.prompt_info = "SRP user"; + if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) + { + BIO_printf (bio_err, "Can't read Password\n"); + OPENSSL_free(pass); + return NULL; + } + *(pass+l)= '\0'; + + return pass; + } + +#endif + char *srtp_profiles = NULL; + +# ifndef OPENSSL_NO_NEXTPROTONEG +/* This the context that we pass to next_proto_cb */ +typedef struct tlsextnextprotoctx_st { + unsigned char *data; + unsigned short len; + int status; +} tlsextnextprotoctx; + +static tlsextnextprotoctx next_proto; + +static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) + { + tlsextnextprotoctx *ctx = arg; + + if (!c_quiet) + { + /* We can assume that |in| is syntactically valid. */ + unsigned i; + BIO_printf(bio_c_out, "Protocols advertised by server: "); + for (i = 0; i < inlen; ) + { + if (i) + BIO_write(bio_c_out, ", ", 2); + BIO_write(bio_c_out, &in[i + 1], in[i]); + i += in[i] + 1; + } + BIO_write(bio_c_out, "\n", 1); + } + + ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); + return SSL_TLSEXT_ERR_OK; + } +# endif #endif enum @@ -384,6 +555,9 @@ int MAIN(int argc, char **argv) { unsigned int off=0, clr=0; SSL *con=NULL; +#ifndef OPENSSL_NO_KRB5 + KSSL_CTX *kctx; +#endif int s,k,width,state=0; char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; int cbuf_len,cbuf_off; @@ -429,6 +603,9 @@ int MAIN(int argc, char **argv) char *servername = NULL; tlsextctx tlsextcbp = {NULL,0}; +# ifndef OPENSSL_NO_NEXTPROTONEG + const char *next_proto_neg_in = NULL; +# endif #endif char *sess_in = NULL; char *sess_out = NULL; @@ -439,6 +616,11 @@ int MAIN(int argc, char **argv) #ifndef OPENSSL_NO_JPAKE char *jpake_secret = NULL; #endif +#ifndef OPENSSL_NO_SRP + char * srppass = NULL; + int srp_lateuser = 0; + SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; +#endif #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) meth=SSLv23_client_method(); @@ -588,6 +770,37 @@ int MAIN(int argc, char **argv) } } #endif +#ifndef OPENSSL_NO_SRP + else if (strcmp(*argv,"-srpuser") == 0) + { + if (--argc < 1) goto bad; + srp_arg.srplogin= *(++argv); + meth=TLSv1_client_method(); + } + else if (strcmp(*argv,"-srppass") == 0) + { + if (--argc < 1) goto bad; + srppass= *(++argv); + meth=TLSv1_client_method(); + } + else if (strcmp(*argv,"-srp_strength") == 0) + { + if (--argc < 1) goto bad; + srp_arg.strength=atoi(*(++argv)); + BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); + meth=TLSv1_client_method(); + } + else if (strcmp(*argv,"-srp_lateuser") == 0) + { + srp_lateuser= 1; + meth=TLSv1_client_method(); + } + else if (strcmp(*argv,"-srp_moregroups") == 0) + { + srp_arg.amp=1; + meth=TLSv1_client_method(); + } +#endif #ifndef OPENSSL_NO_SSL2 else if (strcmp(*argv,"-ssl2") == 0) meth=SSLv2_client_method(); @@ -597,6 +810,10 @@ int MAIN(int argc, char **argv) meth=SSLv3_client_method(); #endif #ifndef OPENSSL_NO_TLS1 + else if (strcmp(*argv,"-tls1_2") == 0) + meth=TLSv1_2_client_method(); + else if (strcmp(*argv,"-tls1_1") == 0) + meth=TLSv1_1_client_method(); else if (strcmp(*argv,"-tls1") == 0) meth=TLSv1_client_method(); #endif @@ -645,6 +862,10 @@ int MAIN(int argc, char **argv) if (--argc < 1) goto bad; CAfile= *(++argv); } + else if (strcmp(*argv,"-no_tls1_2") == 0) + off|=SSL_OP_NO_TLSv1_2; + else if (strcmp(*argv,"-no_tls1_1") == 0) + off|=SSL_OP_NO_TLSv1_1; else if (strcmp(*argv,"-no_tls1") == 0) off|=SSL_OP_NO_TLSv1; else if (strcmp(*argv,"-no_ssl3") == 0) @@ -656,6 +877,13 @@ int MAIN(int argc, char **argv) #ifndef OPENSSL_NO_TLSEXT else if (strcmp(*argv,"-no_ticket") == 0) { off|=SSL_OP_NO_TICKET; } +# ifndef OPENSSL_NO_NEXTPROTONEG + else if (strcmp(*argv,"-nextprotoneg") == 0) + { + if (--argc < 1) goto bad; + next_proto_neg_in = *(++argv); + } +# endif #endif else if (strcmp(*argv,"-serverpref") == 0) off|=SSL_OP_CIPHER_SERVER_PREFERENCE; @@ -723,7 +951,23 @@ int MAIN(int argc, char **argv) jpake_secret = *++argv; } #endif - else + else if (strcmp(*argv,"-use_srtp") == 0) + { + if (--argc < 1) goto bad; + srtp_profiles = *(++argv); + } + else if (strcmp(*argv,"-keymatexport") == 0) + { + if (--argc < 1) goto bad; + keymatexportlabel= *(++argv); + } + else if (strcmp(*argv,"-keymatexportlen") == 0) + { + if (--argc < 1) goto bad; + keymatexportlen=atoi(*(++argv)); + if (keymatexportlen == 0) goto bad; + } + else { BIO_printf(bio_err,"unknown option %s\n",*argv); badop=1; @@ -749,19 +993,33 @@ bad: goto end; } psk_identity = "JPAKE"; + if (cipher) + { + BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); + goto end; + } + cipher = "PSK"; } - - if (cipher) - { - BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); - goto end; - } - cipher = "PSK"; #endif OpenSSL_add_ssl_algorithms(); SSL_load_error_strings(); +#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) + next_proto.status = -1; + if (next_proto_neg_in) + { + next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); + if (next_proto.data == NULL) + { + BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); + goto end; + } + } + else + next_proto.data = NULL; +#endif + #ifndef OPENSSL_NO_ENGINE e = setup_engine(bio_err, engine_id, 1); if (ssl_client_engine_id) @@ -835,6 +1093,14 @@ bad: } } +#ifndef OPENSSL_NO_SRP + if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) + { + BIO_printf(bio_err, "Error getting password\n"); + goto end; + } +#endif + ctx=SSL_CTX_new(meth); if (ctx == NULL) { @@ -870,6 +1136,8 @@ bad: BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); } + if (srtp_profiles != NULL) + SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); #endif if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL|off); @@ -883,6 +1151,11 @@ bad: */ if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); +#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) + if (next_proto.data) + SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); +#endif + if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); if (cipher != NULL) if(!SSL_CTX_set_cipher_list(ctx,cipher)) { @@ -914,6 +1187,24 @@ bad: SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); } +#ifndef OPENSSL_NO_SRP + if (srp_arg.srplogin) + { + if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) + { + BIO_printf(bio_err,"Unable to set SRP username\n"); + goto end; + } + srp_arg.msg = c_msg; + srp_arg.debug = c_debug ; + SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); + SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); + SSL_CTX_set_srp_strength(ctx, srp_arg.strength); + if (c_msg || c_debug || srp_arg.amp == 0) + SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); + } + +#endif #endif con=SSL_new(ctx); @@ -952,9 +1243,10 @@ bad: } #endif #ifndef OPENSSL_NO_KRB5 - if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL) + if (con && (kctx = kssl_ctx_new()) != NULL) { - kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host); + SSL_set0_kssl_ctx(con, kctx); + kssl_ctx_setstring(kctx, KSSL_SERVER, host); } #endif /* OPENSSL_NO_KRB5 */ /* SSL_set_cipher_list(con,"RC4-MD5"); */ @@ -986,7 +1278,7 @@ re_start: } } #endif - if (c_Pause & 0x01) con->debug=1; + if (c_Pause & 0x01) SSL_set_debug(con, 1); if ( SSL_version(con) == DTLS1_VERSION) { @@ -1035,7 +1327,7 @@ re_start: if (c_debug) { - con->debug=1; + SSL_set_debug(con, 1); BIO_set_callback(sbio,bio_dump_callback); BIO_set_callback_arg(sbio,(char *)bio_c_out); } @@ -1569,6 +1861,14 @@ printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240 SSL_renegotiate(con); cbuf_len=0; } +#ifndef OPENSSL_NO_HEARTBEATS + else if ((!c_ign_eof) && (cbuf[0] == 'B')) + { + BIO_printf(bio_err,"HEARTBEATING\n"); + SSL_heartbeat(con); + cbuf_len=0; + } +#endif else { cbuf_len=i; @@ -1630,6 +1930,7 @@ static void print_stuff(BIO *bio, SSL *s, int full) #ifndef OPENSSL_NO_COMP const COMP_METHOD *comp, *expansion; #endif + unsigned char *exportedkeymat; if (full) { @@ -1720,7 +2021,7 @@ static void print_stuff(BIO *bio, SSL *s, int full) BIO_number_read(SSL_get_rbio(s)), BIO_number_written(SSL_get_wbio(s))); } - BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, ")); + BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); c=SSL_get_current_cipher(s); BIO_printf(bio,"%s, Cipher is %s\n", SSL_CIPHER_get_version(c), @@ -1742,7 +2043,66 @@ static void print_stuff(BIO *bio, SSL *s, int full) BIO_printf(bio,"Expansion: %s\n", expansion ? SSL_COMP_get_name(expansion) : "NONE"); #endif + +#ifdef SSL_DEBUG + { + /* Print out local port of connection: useful for debugging */ + int sock; + struct sockaddr_in ladd; + socklen_t ladd_size = sizeof(ladd); + sock = SSL_get_fd(s); + getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); + BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); + } +#endif + +#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) + if (next_proto.status != -1) { + const unsigned char *proto; + unsigned int proto_len; + SSL_get0_next_proto_negotiated(s, &proto, &proto_len); + BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); + BIO_write(bio, proto, proto_len); + BIO_write(bio, "\n", 1); + } +#endif + + { + SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); + + if(srtp_profile) + BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", + srtp_profile->name); + } + SSL_SESSION_print(bio,SSL_get_session(s)); + if (keymatexportlabel != NULL) + { + BIO_printf(bio, "Keying material exporter:\n"); + BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); + BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); + exportedkeymat = OPENSSL_malloc(keymatexportlen); + if (exportedkeymat != NULL) + { + if (!SSL_export_keying_material(s, exportedkeymat, + keymatexportlen, + keymatexportlabel, + strlen(keymatexportlabel), + NULL, 0, 0)) + { + BIO_printf(bio, " Error\n"); + } + else + { + BIO_printf(bio, " Keying material: "); + for (i=0; i<keymatexportlen; i++) + BIO_printf(bio, "%02X", + exportedkeymat[i]); + BIO_printf(bio, "\n"); + } + OPENSSL_free(exportedkeymat); + } + } BIO_printf(bio,"---\n"); if (peer != NULL) X509_free(peer); |