ssl/s3_srvr.c:1072: error: INTEGER_OVERFLOW_L2
  ([2, +oo] - 32):unsigned64 by call to `PACKET_copy_bytes`.
Showing all 14 steps of the trace


ssl/s3_srvr.c:874:10: Call
872.           return ((int)n);
873.       s->first_packet = 0;
874.       if (!PACKET_buf_init(&pkt, s->init_msg, n)) {
                ^
875.           SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);
876.           al = SSL_AD_INTERNAL_ERROR;

ssl/packet_locl.h:109:1: Parameter `pkt->remaining`
  107.    * is being used.
  108.    */
  109. > static inline int PACKET_buf_init(PACKET *pkt, unsigned char *buf, size_t len)
  110.   {
  111.       /* Sanity check for negative values. */

ssl/s3_srvr.c:932:13: Call
930.            * differ: see RFC 2246, Appendix E, second paragraph)
931.            */
932.           if(!PACKET_get_net_2(&pkt, (unsigned int *)&s->client_version)) {
                   ^
933.               al = SSL_AD_DECODE_ERROR;
934.               SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_LENGTH_TOO_SHORT);

ssl/packet_locl.h:169:8: Parameter `pkt->remaining`
  167.   /* Equivalent of n2s */
  168.   /* Get 2 bytes in network order from |pkt| and store the value in |*data| */
  169.   __owur static inline int PACKET_get_net_2(PACKET *pkt, unsigned int *data)
                ^
  170.   {
  171.       if (!PACKET_peek_net_2(pkt, data))

ssl/packet_locl.h:171:10: Call
  169.   __owur static inline int PACKET_get_net_2(PACKET *pkt, unsigned int *data)
  170.   {
  171.       if (!PACKET_peek_net_2(pkt, data))
                  ^
  172.           return 0;
  173.   

ssl/packet_locl.h:155:8: Parameter `pkt->remaining`
    153.    * |*data|
    154.    */
    155.   __owur static inline int PACKET_peek_net_2(const PACKET *pkt,
                  ^
    156.                                              unsigned int *data)
    157.   {

ssl/s3_srvr.c:1072:14: Call
1070.           unsigned int cookie_len;
1071.           /* load the client random and get the session-id */
1072.           if (!PACKET_copy_bytes(&pkt, s->s3->client_random, SSL3_RANDOM_SIZE)
                     ^
1073.   		|| !PACKET_get_length_prefixed_1(&pkt, &session_id)) {
1074.               al = SSL_AD_DECODE_ERROR;

ssl/packet_locl.h:340:8: Parameter `len`
  338.    * The caller is responsible for ensuring that |data| can hold |len| bytes.
  339.    */
  340.   __owur static inline int PACKET_copy_bytes(PACKET *pkt, unsigned char *data,
                ^
  341.                                              size_t len)
  342.   {

ssl/packet_locl.h:346:5: Call
  344.           return 0;
  345.   
  346.       packet_forward(pkt, len);
             ^
  347.   
  348.       return 1;

ssl/packet_locl.h:79:1: <LHS trace>
77.   
78.   /* Internal unchecked shorthand; don't use outside this file. */
79. > static inline void packet_forward(PACKET *pkt, size_t len)
80.   {
81.       pkt->curr += len;

ssl/packet_locl.h:79:1: Parameter `pkt->remaining`
    77.   
    78.   /* Internal unchecked shorthand; don't use outside this file. */
    79. > static inline void packet_forward(PACKET *pkt, size_t len)
    80.   {
    81.       pkt->curr += len;

ssl/packet_locl.h:79:1: <RHS trace>
77.   
78.   /* Internal unchecked shorthand; don't use outside this file. */
79. > static inline void packet_forward(PACKET *pkt, size_t len)
80.   {
81.       pkt->curr += len;

ssl/packet_locl.h:79:1: Parameter `len`
    77.   
    78.   /* Internal unchecked shorthand; don't use outside this file. */
    79. > static inline void packet_forward(PACKET *pkt, size_t len)
    80.   {
    81.       pkt->curr += len;

ssl/packet_locl.h:82:5: Binary operation: ([2, +oo] - 32):unsigned64 by call to `PACKET_copy_bytes` 
    80.   {
    81.       pkt->curr += len;
    82.       pkt->remaining -= len;
              ^
    83.   }
    84.   

static inline void packet_forward(PACKET *pkt, size_t len)
{
    pkt->curr += len;
    pkt->remaining -= len;
}
['int ssl3_get_client_hello(SSL *s)\n{\n    int i, ok, al = SSL_AD_INTERNAL_ERROR, ret = -1;\n    unsigned int j, complen = 0;\n    long n;\n    unsigned long id;\n    SSL_CIPHER *c;\n#ifndef OPENSSL_NO_COMP\n    SSL_COMP *comp = NULL;\n#endif\n    STACK_OF(SSL_CIPHER) *ciphers = NULL;\n    int protverr = 1;\n    PACKET pkt, cipher_suite, compression;\n    if (s->state == SSL3_ST_SR_CLNT_HELLO_C && !s->first_packet)\n        goto retry_cert;\n    if (s->state == SSL3_ST_SR_CLNT_HELLO_A) {\n        s->state = SSL3_ST_SR_CLNT_HELLO_B;\n    }\n    s->first_packet = 1;\n    n = s->method->ssl_get_message(s,\n                                   SSL3_ST_SR_CLNT_HELLO_B,\n                                   SSL3_ST_SR_CLNT_HELLO_C,\n                                   SSL3_MT_CLIENT_HELLO,\n                                   SSL3_RT_MAX_PLAIN_LENGTH, &ok);\n    if (!ok)\n        return ((int)n);\n    s->first_packet = 0;\n    if (!PACKET_buf_init(&pkt, s->init_msg, n)) {\n        SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n        al = SSL_AD_INTERNAL_ERROR;\n        goto f_err;\n    }\n    if (RECORD_LAYER_is_sslv2_record(&s->rlayer)) {\n        unsigned int version;\n        unsigned int mt;\n        if (!PACKET_get_1(&pkt, &mt)\n                || mt != SSL2_MT_CLIENT_HELLO) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n            goto err;\n        }\n        if (!PACKET_get_net_2(&pkt, &version)) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_UNKNOWN_PROTOCOL);\n            goto err;\n        }\n        if (version == 0x0002) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_UNKNOWN_PROTOCOL);\n            goto err;\n        } else if ((version & 0xff00) == (SSL3_VERSION_MAJOR << 8)) {\n            s->client_version = version;\n        } else {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_UNKNOWN_PROTOCOL);\n            goto err;\n        }\n    } else {\n        if(!PACKET_get_net_2(&pkt, (unsigned int *)&s->client_version)) {\n            al = SSL_AD_DECODE_ERROR;\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_LENGTH_TOO_SHORT);\n            goto f_err;\n        }\n    }\n    if (!SSL_IS_DTLS(s)) {\n        if (s->version != TLS_ANY_VERSION) {\n            if (s->client_version >= s->version) {\n                protverr = 0;\n            }\n        } else if (s->client_version >= SSL3_VERSION) {\n            switch(s->client_version) {\n            default:\n            case TLS1_2_VERSION:\n                if(!(s->options & SSL_OP_NO_TLSv1_2)) {\n                    s->version = TLS1_2_VERSION;\n                    s->method = TLSv1_2_server_method();\n                    protverr = 0;\n                    break;\n                }\n            case TLS1_1_VERSION:\n                if(!(s->options & SSL_OP_NO_TLSv1_1)) {\n                    s->version = TLS1_1_VERSION;\n                    s->method = TLSv1_1_server_method();\n                    protverr = 0;\n                    break;\n                }\n            case TLS1_VERSION:\n                if(!(s->options & SSL_OP_NO_TLSv1)) {\n                    s->version = TLS1_VERSION;\n                    s->method = TLSv1_server_method();\n                    protverr = 0;\n                    break;\n                }\n            case SSL3_VERSION:\n#ifndef OPENSSL_NO_SSL3\n                if(!(s->options & SSL_OP_NO_SSLv3)) {\n                    s->version = SSL3_VERSION;\n                    s->method = SSLv3_server_method();\n                    protverr = 0;\n                    break;\n                }\n#else\n                break;\n#endif\n            }\n        }\n    } else if (s->client_version <= s->version\n                || s->method->version == DTLS_ANY_VERSION) {\n        protverr = 0;\n    }\n    if (protverr) {\n        SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_UNKNOWN_PROTOCOL);\n        if ((!s->enc_write_ctx && !s->write_hash)) {\n            s->version = s->client_version;\n        }\n        al = SSL_AD_PROTOCOL_VERSION;\n        goto f_err;\n    }\n    if (RECORD_LAYER_is_sslv2_record(&s->rlayer)) {\n        unsigned int cipher_len, session_id_len, challenge_len;\n        if (!PACKET_get_net_2(&pkt, &cipher_len)\n                || !PACKET_get_net_2(&pkt, &session_id_len)\n                || !PACKET_get_net_2(&pkt, &challenge_len)) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_RECORD_LENGTH_MISMATCH);\n            al = SSL_AD_DECODE_ERROR;\n            goto f_err;\n        }\n        if (cipher_len == 0) {\n            al = SSL_AD_ILLEGAL_PARAMETER;\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_NO_CIPHERS_SPECIFIED);\n            goto f_err;\n        }\n        if (!PACKET_get_sub_packet(&pkt, &cipher_suite, cipher_len)) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_RECORD_LENGTH_MISMATCH);\n            al = SSL_AD_DECODE_ERROR;\n            goto f_err;\n        }\n        if (ssl_bytes_to_cipher_list(s, PACKET_data(&cipher_suite),\n                                     cipher_len, &(ciphers), 1) == NULL) {\n            goto err;\n        }\n        if (!PACKET_forward(&pkt, session_id_len)) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_RECORD_LENGTH_MISMATCH);\n            al = SSL_AD_DECODE_ERROR;\n            goto f_err;\n        }\n        s->hit = 0;\n        if (!ssl_get_new_session(s, 1))\n            goto err;\n        i = challenge_len > SSL3_RANDOM_SIZE ? SSL3_RANDOM_SIZE : challenge_len;\n        memset(s->s3->client_random, 0, SSL3_RANDOM_SIZE);\n        if (!PACKET_peek_copy_bytes(&pkt,\n                                    s->s3->client_random + SSL3_RANDOM_SIZE - i,\n                                    i)\n                || !PACKET_forward(&pkt, challenge_len)\n                || PACKET_remaining(&pkt) != 0) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_RECORD_LENGTH_MISMATCH);\n            al = SSL_AD_DECODE_ERROR;\n            goto f_err;\n        }\n    } else {\n        PACKET session_id;\n        unsigned int cookie_len;\n        if (!PACKET_copy_bytes(&pkt, s->s3->client_random, SSL3_RANDOM_SIZE)\n\t\t|| !PACKET_get_length_prefixed_1(&pkt, &session_id)) {\n            al = SSL_AD_DECODE_ERROR;\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_LENGTH_TOO_SHORT);\n            goto f_err;\n        }\n        if (SSL_get_options(s) & SSL_OP_COOKIE_EXCHANGE) {\n            if (!PACKET_peek_1(&pkt, &cookie_len)) {\n                al = SSL_AD_DECODE_ERROR;\n                SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_LENGTH_TOO_SHORT);\n                goto f_err;\n            }\n            if (cookie_len == 0)\n                return 1;\n        }\n        s->hit = 0;\n        if ((s->new_session\n             && (s->options & SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION))) {\n            if (!ssl_get_new_session(s, 1))\n                goto err;\n        } else {\n\t    i = ssl_get_prev_session(s, &pkt, PACKET_data(&session_id),\n\t\t                     PACKET_remaining(&session_id));\n            if (i == 1 && s->version == s->session->ssl_version) {\n                s->hit = 1;\n            } else if (i == -1)\n                goto err;\n            else {\n                if (!ssl_get_new_session(s, 1))\n                    goto err;\n            }\n        }\n        if (SSL_IS_DTLS(s)) {\n            PACKET cookie;\n            if (!PACKET_get_length_prefixed_1(&pkt, &cookie)) {\n                al = SSL_AD_DECODE_ERROR;\n                SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_LENGTH_TOO_SHORT);\n                goto f_err;\n            }\n\t    cookie_len = PACKET_remaining(&cookie);\n            if (cookie_len > sizeof(s->d1->rcvd_cookie)) {\n                al = SSL_AD_DECODE_ERROR;\n                SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_COOKIE_MISMATCH);\n                goto f_err;\n            }\n            if ((SSL_get_options(s) & SSL_OP_COOKIE_EXCHANGE)\n                    && cookie_len > 0) {\n                if (!PACKET_copy_bytes(&cookie, s->d1->rcvd_cookie, cookie_len)) {\n                    al = SSL_AD_INTERNAL_ERROR;\n                    SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n                    goto f_err;\n                }\n                if (s->ctx->app_verify_cookie_cb != NULL) {\n                    if (s->ctx->app_verify_cookie_cb(s, s->d1->rcvd_cookie,\n                                                     cookie_len) == 0) {\n                        al = SSL_AD_HANDSHAKE_FAILURE;\n                        SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,\n                               SSL_R_COOKIE_MISMATCH);\n                        goto f_err;\n                    }\n                }\n                else if (memcmp(s->d1->rcvd_cookie, s->d1->cookie,\n                                s->d1->cookie_len) != 0) {\n                    al = SSL_AD_HANDSHAKE_FAILURE;\n                    SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_COOKIE_MISMATCH);\n                    goto f_err;\n                }\n                ret = -2;\n            }\n            if (s->method->version == DTLS_ANY_VERSION) {\n                if (s->client_version <= DTLS1_2_VERSION &&\n                    !(s->options & SSL_OP_NO_DTLSv1_2)) {\n                    s->version = DTLS1_2_VERSION;\n                    s->method = DTLSv1_2_server_method();\n                } else if (tls1_suiteb(s)) {\n                    SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,\n                           SSL_R_ONLY_DTLS_1_2_ALLOWED_IN_SUITEB_MODE);\n                    s->version = s->client_version;\n                    al = SSL_AD_PROTOCOL_VERSION;\n                    goto f_err;\n                } else if (s->client_version <= DTLS1_VERSION &&\n                           !(s->options & SSL_OP_NO_DTLSv1)) {\n                    s->version = DTLS1_VERSION;\n                    s->method = DTLSv1_server_method();\n                } else {\n                    SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,\n                           SSL_R_WRONG_VERSION_NUMBER);\n                    s->version = s->client_version;\n                    al = SSL_AD_PROTOCOL_VERSION;\n                    goto f_err;\n                }\n                s->session->ssl_version = s->version;\n            }\n        }\n        if (!PACKET_get_length_prefixed_2(&pkt, &cipher_suite)) {\n            al = SSL_AD_DECODE_ERROR;\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_LENGTH_TOO_SHORT);\n            goto f_err;\n        }\n        if (PACKET_remaining(&cipher_suite) == 0) {\n            al = SSL_AD_ILLEGAL_PARAMETER;\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_NO_CIPHERS_SPECIFIED);\n            goto f_err;\n        }\n        if (ssl_bytes_to_cipher_list(s, PACKET_data(&cipher_suite),\n                                     PACKET_remaining(&cipher_suite),\n                                     &(ciphers), 0) == NULL) {\n            goto err;\n        }\n        if (s->hit) {\n            j = 0;\n            id = s->session->cipher->id;\n#ifdef CIPHER_DEBUG\n            fprintf(stderr, "client sent %d ciphers\\n",\n                    sk_SSL_CIPHER_num(ciphers));\n#endif\n            for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {\n                c = sk_SSL_CIPHER_value(ciphers, i);\n#ifdef CIPHER_DEBUG\n                fprintf(stderr, "client [%2d of %2d]:%s\\n",\n                        i, sk_SSL_CIPHER_num(ciphers), SSL_CIPHER_get_name(c));\n#endif\n                if (c->id == id) {\n                    j = 1;\n                    break;\n                }\n            }\n#if 0\n            if (j == 0 && (s->options & SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG)\n                && (sk_SSL_CIPHER_num(ciphers) == 1)) {\n                c = sk_SSL_CIPHER_value(ciphers, 0);\n                if (sk_SSL_CIPHER_find(SSL_get_ciphers(s), c) >= 0) {\n                    s->session->cipher = c;\n                    j = 1;\n                }\n            }\n#endif\n            if (j == 0) {\n                al = SSL_AD_ILLEGAL_PARAMETER;\n                SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,\n                       SSL_R_REQUIRED_CIPHER_MISSING);\n                goto f_err;\n            }\n        }\n        if (!PACKET_get_length_prefixed_1(&pkt, &compression)) {\n            al = SSL_AD_DECODE_ERROR;\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_LENGTH_MISMATCH);\n            goto f_err;\n        }\n        complen = PACKET_remaining(&compression);\n        for (j = 0; j < complen; j++) {\n            if (PACKET_data(&compression)[j] == 0)\n                break;\n        }\n        if (j >= complen) {\n            al = SSL_AD_DECODE_ERROR;\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_NO_COMPRESSION_SPECIFIED);\n            goto f_err;\n        }\n    }\n    if (s->version >= SSL3_VERSION) {\n        if (!ssl_parse_clienthello_tlsext(s, &pkt)) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_PARSE_TLSEXT);\n            goto err;\n        }\n    }\n    {\n        unsigned char *pos;\n        pos = s->s3->server_random;\n        if (ssl_fill_hello_random(s, 1, pos, SSL3_RANDOM_SIZE) <= 0) {\n            goto f_err;\n        }\n    }\n    if (!s->hit && s->version >= TLS1_VERSION && s->tls_session_secret_cb) {\n        SSL_CIPHER *pref_cipher = NULL;\n        s->session->master_key_length = sizeof(s->session->master_key);\n        if (s->tls_session_secret_cb(s, s->session->master_key,\n                                     &s->session->master_key_length, ciphers,\n                                     &pref_cipher,\n                                     s->tls_session_secret_cb_arg)) {\n            s->hit = 1;\n            s->session->ciphers = ciphers;\n            s->session->verify_result = X509_V_OK;\n            ciphers = NULL;\n            pref_cipher =\n                pref_cipher ? pref_cipher : ssl3_choose_cipher(s,\n                                                               s->\n                                                               session->ciphers,\n                                                               SSL_get_ciphers\n                                                               (s));\n            if (pref_cipher == NULL) {\n                al = SSL_AD_HANDSHAKE_FAILURE;\n                SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_NO_SHARED_CIPHER);\n                goto f_err;\n            }\n            s->session->cipher = pref_cipher;\n            sk_SSL_CIPHER_free(s->cipher_list);\n            s->cipher_list = sk_SSL_CIPHER_dup(s->session->ciphers);\n            sk_SSL_CIPHER_free(s->cipher_list_by_id);\n            s->cipher_list_by_id = sk_SSL_CIPHER_dup(s->session->ciphers);\n        }\n    }\n    s->s3->tmp.new_compression = NULL;\n#ifndef OPENSSL_NO_COMP\n    if (s->session->compress_meth != 0) {\n        int m, comp_id = s->session->compress_meth;\n        unsigned int k;\n        if (!ssl_allow_compression(s)) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,\n                   SSL_R_INCONSISTENT_COMPRESSION);\n            goto f_err;\n        }\n        for (m = 0; m < sk_SSL_COMP_num(s->ctx->comp_methods); m++) {\n            comp = sk_SSL_COMP_value(s->ctx->comp_methods, m);\n            if (comp_id == comp->id) {\n                s->s3->tmp.new_compression = comp;\n                break;\n            }\n        }\n        if (s->s3->tmp.new_compression == NULL) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,\n                   SSL_R_INVALID_COMPRESSION_ALGORITHM);\n            goto f_err;\n        }\n        for (k = 0; k < complen; k++) {\n            if (PACKET_data(&compression)[k] == comp_id)\n                break;\n        }\n        if (k >= complen) {\n            al = SSL_AD_ILLEGAL_PARAMETER;\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO,\n                   SSL_R_REQUIRED_COMPRESSSION_ALGORITHM_MISSING);\n            goto f_err;\n        }\n    } else if (s->hit)\n        comp = NULL;\n    else if (ssl_allow_compression(s) && s->ctx->comp_methods) {\n        int m, nn, v, done = 0;\n        unsigned int o;\n        nn = sk_SSL_COMP_num(s->ctx->comp_methods);\n        for (m = 0; m < nn; m++) {\n            comp = sk_SSL_COMP_value(s->ctx->comp_methods, m);\n            v = comp->id;\n            for (o = 0; o < complen; o++) {\n                if (v == PACKET_data(&compression)[o]) {\n                    done = 1;\n                    break;\n                }\n            }\n            if (done)\n                break;\n        }\n        if (done)\n            s->s3->tmp.new_compression = comp;\n        else\n            comp = NULL;\n    }\n#else\n    if (s->session->compress_meth != 0) {\n        SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_INCONSISTENT_COMPRESSION);\n        goto f_err;\n    }\n#endif\n    if (!s->hit) {\n#ifdef OPENSSL_NO_COMP\n        s->session->compress_meth = 0;\n#else\n        s->session->compress_meth = (comp == NULL) ? 0 : comp->id;\n#endif\n        sk_SSL_CIPHER_free(s->session->ciphers);\n        s->session->ciphers = ciphers;\n        if (ciphers == NULL) {\n            al = SSL_AD_INTERNAL_ERROR;\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);\n            goto f_err;\n        }\n        ciphers = NULL;\n        if (!tls1_set_server_sigalgs(s)) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_CLIENTHELLO_TLSEXT);\n            goto err;\n        }\n retry_cert:\n        if (s->cert->cert_cb) {\n            int rv = s->cert->cert_cb(s, s->cert->cert_cb_arg);\n            if (rv == 0) {\n                al = SSL_AD_INTERNAL_ERROR;\n                SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_CERT_CB_ERROR);\n                goto f_err;\n            }\n            if (rv < 0) {\n                s->rwstate = SSL_X509_LOOKUP;\n                return -1;\n            }\n            s->rwstate = SSL_NOTHING;\n        }\n        c = ssl3_choose_cipher(s, s->session->ciphers, SSL_get_ciphers(s));\n        if (c == NULL) {\n            al = SSL_AD_HANDSHAKE_FAILURE;\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_NO_SHARED_CIPHER);\n            goto f_err;\n        }\n        s->s3->tmp.new_cipher = c;\n        if (s->not_resumable_session_cb != NULL)\n            s->session->not_resumable = s->not_resumable_session_cb(s,\n                                                                    ((c->algorithm_mkey & (SSL_kDHE | SSL_kECDHE))\n                                                                     != 0));\n        if (s->session->not_resumable)\n            s->tlsext_ticket_expected = 0;\n    } else {\n        s->s3->tmp.new_cipher = s->session->cipher;\n    }\n    if (!SSL_USE_SIGALGS(s) || !(s->verify_mode & SSL_VERIFY_PEER)) {\n        if (!ssl3_digest_cached_records(s, 0))\n            goto f_err;\n    }\n    if (s->version >= SSL3_VERSION) {\n        if (ssl_check_clienthello_tlsext_late(s) <= 0) {\n            SSLerr(SSL_F_SSL3_GET_CLIENT_HELLO, SSL_R_CLIENTHELLO_TLSEXT);\n            goto err;\n        }\n    }\n    if (ret < 0)\n        ret = -ret;\n    if (0) {\n f_err:\n        ssl3_send_alert(s, SSL3_AL_FATAL, al);\n err:\n        s->state = SSL_ST_ERR;\n    }\n    sk_SSL_CIPHER_free(ciphers);\n    return ret < 0 ? -1 : ret;\n}', 'static inline void packet_forward(PACKET *pkt, size_t len)\n{\n    pkt->curr += len;\n    pkt->remaining -= len;\n}']