test/handshake_helper.c:185: error: NULL_DEREFERENCE
  pointer `ex_data` last assigned on line 141 could be null and is dereferenced at line 185, column 9.
Showing all 69 steps of the trace


test/handshake_helper.c:136:1: start of procedure early_select_server_ctx()
134.   }
135.   
136. > static int early_select_server_ctx(SSL *s, void *arg, int ignore)
137.   {
138.       const char *servername;

test/handshake_helper.c:141:5: 
139.       const unsigned char *p;
140.       size_t len, remaining;
141. >     HANDSHAKE_EX_DATA *ex_data =
142.           (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
143.   

ssl/ssl_lib.c:3730:1: start of procedure SSL_get_ex_data()
  3728.   }
  3729.   
  3730. > void *SSL_get_ex_data(const SSL *s, int idx)
  3731.   {
  3732.       return (CRYPTO_get_ex_data(&s->ex_data, idx));

ssl/ssl_lib.c:3732:5: 
  3730.   void *SSL_get_ex_data(const SSL *s, int idx)
  3731.   {
  3732. >     return (CRYPTO_get_ex_data(&s->ex_data, idx));
  3733.   }
  3734.   

crypto/ex_data.c:379:1: start of procedure CRYPTO_get_ex_data()
    377.    * particular index in the class used by this variable
    378.    */
    379. > void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)
    380.   {
    381.       if (ad->sk == NULL || idx >= sk_void_num(ad->sk))

crypto/ex_data.c:381:9: Taking true branch
    379.   void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)
    380.   {
    381.       if (ad->sk == NULL || idx >= sk_void_num(ad->sk))
                   ^
    382.           return NULL;
    383.       return sk_void_value(ad->sk, idx);

crypto/ex_data.c:382:9: 
    380.   {
    381.       if (ad->sk == NULL || idx >= sk_void_num(ad->sk))
    382. >         return NULL;
    383.       return sk_void_value(ad->sk, idx);
    384.   }

crypto/ex_data.c:384:1: return from a call to CRYPTO_get_ex_data
    382.           return NULL;
    383.       return sk_void_value(ad->sk, idx);
    384. > }

ssl/ssl_lib.c:3733:1: return from a call to SSL_get_ex_data
  3731.   {
  3732.       return (CRYPTO_get_ex_data(&s->ex_data, idx));
  3733. > }
  3734.   
  3735.   int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg)

test/handshake_helper.c:148:10: Taking false branch
146.        * was written, so parsing the normal case is a bit complex.
147.        */
148.       if (!SSL_early_get0_ext(s, TLSEXT_TYPE_server_name, &p, &remaining) ||
                ^
149.           remaining <= 2)
150.           return 0;

test/handshake_helper.c:149:9: Taking false branch
147.        */
148.       if (!SSL_early_get0_ext(s, TLSEXT_TYPE_server_name, &p, &remaining) ||
149.           remaining <= 2)
               ^
150.           return 0;
151.       /* Extract the length of the supplied list of names. */

test/handshake_helper.c:152:5: 
150.           return 0;
151.       /* Extract the length of the supplied list of names. */
152. >     len = (*(p++) << 1);
153.       len += *(p++);
154.       if (len + 2 != remaining)

test/handshake_helper.c:153:5: 
151.       /* Extract the length of the supplied list of names. */
152.       len = (*(p++) << 1);
153. >     len += *(p++);
154.       if (len + 2 != remaining)
155.           return 0;

test/handshake_helper.c:154:9: Taking false branch
152.       len = (*(p++) << 1);
153.       len += *(p++);
154.       if (len + 2 != remaining)
               ^
155.           return 0;
156.       remaining = len;

test/handshake_helper.c:156:5: 
154.       if (len + 2 != remaining)
155.           return 0;
156. >     remaining = len;
157.       /*
158.        * The list in practice only has a single element, so we only consider

test/handshake_helper.c:161:9: Taking false branch
159.        * the first one.
160.        */
161.       if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
               ^
162.           return 0;
163.       remaining--;

test/handshake_helper.c:161:27: Taking false branch
159.        * the first one.
160.        */
161.       if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
                                 ^
162.           return 0;
163.       remaining--;

test/handshake_helper.c:163:5: 
161.       if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
162.           return 0;
163. >     remaining--;
164.       /* Now we can finally pull out the byte array with the actual hostname. */
165.       if (remaining <= 2)

test/handshake_helper.c:165:9: Taking false branch
163.       remaining--;
164.       /* Now we can finally pull out the byte array with the actual hostname. */
165.       if (remaining <= 2)
               ^
166.           return 0;
167.       len = (*(p++) << 1);

test/handshake_helper.c:167:5: 
165.       if (remaining <= 2)
166.           return 0;
167. >     len = (*(p++) << 1);
168.       len += *(p++);
169.       if (len + 2 > remaining)

test/handshake_helper.c:168:5: 
166.           return 0;
167.       len = (*(p++) << 1);
168. >     len += *(p++);
169.       if (len + 2 > remaining)
170.           return 0;

test/handshake_helper.c:169:9: Taking false branch
167.       len = (*(p++) << 1);
168.       len += *(p++);
169.       if (len + 2 > remaining)
               ^
170.           return 0;
171.       remaining = len;

test/handshake_helper.c:171:5: 
169.       if (len + 2 > remaining)
170.           return 0;
171. >     remaining = len;
172.       servername = (const char *)p;
173.   

test/handshake_helper.c:172:5: 
170.           return 0;
171.       remaining = len;
172. >     servername = (const char *)p;
173.   
174.       if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {

test/handshake_helper.c:174:9: Taking true branch
172.       servername = (const char *)p;
173.   
174.       if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
               ^
175.           SSL_CTX *new_ctx = arg;
176.           SSL_set_SSL_CTX(s, new_ctx);

test/handshake_helper.c:174:37: Taking true branch
172.       servername = (const char *)p;
173.   
174.       if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
                                           ^
175.           SSL_CTX *new_ctx = arg;
176.           SSL_set_SSL_CTX(s, new_ctx);

test/handshake_helper.c:175:9: 
173.   
174.       if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
175. >         SSL_CTX *new_ctx = arg;
176.           SSL_set_SSL_CTX(s, new_ctx);
177.           /*

test/handshake_helper.c:176:9: 
174.       if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
175.           SSL_CTX *new_ctx = arg;
176. >         SSL_set_SSL_CTX(s, new_ctx);
177.           /*
178.            * Copy over all the SSL_CTX options - reasonable behavior

ssl/ssl_lib.c:3586:1: start of procedure SSL_set_SSL_CTX()
  3584.   }
  3585.   
  3586. > SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx)
  3587.   {
  3588.       CERT *new_cert;

ssl/ssl_lib.c:3589:9: Taking false branch
  3587.   {
  3588.       CERT *new_cert;
  3589.       if (ssl->ctx == ctx)
                  ^
  3590.           return ssl->ctx;
  3591.       if (ctx == NULL)

ssl/ssl_lib.c:3591:9: Taking false branch
  3589.       if (ssl->ctx == ctx)
  3590.           return ssl->ctx;
  3591.       if (ctx == NULL)
                  ^
  3592.           ctx = ssl->session_ctx;
  3593.       new_cert = ssl_cert_dup(ctx->cert);

ssl/ssl_lib.c:3593:5: Skipping ssl_cert_dup(): empty list of specs
  3591.       if (ctx == NULL)
  3592.           ctx = ssl->session_ctx;
  3593.       new_cert = ssl_cert_dup(ctx->cert);
              ^
  3594.       if (new_cert == NULL) {
  3595.           return NULL;

ssl/ssl_lib.c:3594:9: Taking false branch
  3592.           ctx = ssl->session_ctx;
  3593.       new_cert = ssl_cert_dup(ctx->cert);
  3594.       if (new_cert == NULL) {
                  ^
  3595.           return NULL;
  3596.       }

ssl/ssl_lib.c:3597:5: 
  3595.           return NULL;
  3596.       }
  3597. >     ssl_cert_free(ssl->cert);
  3598.       ssl->cert = new_cert;
  3599.   

ssl/ssl_cert.c:233:1: start of procedure ssl_cert_free()
    231.   }
    232.   
    233. > void ssl_cert_free(CERT *c)
    234.   {
    235.       int i;

ssl/ssl_cert.c:237:9: Taking true branch
    235.       int i;
    236.   
    237.       if (c == NULL)
                   ^
    238.           return;
    239.   

ssl/ssl_cert.c:238:9: 
    236.   
    237.       if (c == NULL)
    238. >         return;
    239.   
    240.       CRYPTO_DOWN_REF(&c->references, &i, c->lock);

ssl/ssl_cert.c:264:1: return from a call to ssl_cert_free
    262.       CRYPTO_THREAD_lock_free(c->lock);
    263.       OPENSSL_free(c);
    264. > }
    265.   
    266.   int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain)

ssl/ssl_lib.c:3598:5: 
  3596.       }
  3597.       ssl_cert_free(ssl->cert);
  3598. >     ssl->cert = new_cert;
  3599.   
  3600.       /*

ssl/ssl_lib.c:3604:5: Condition is true
  3602.        * so setter APIs must prevent invalid lengths from entering the system.
  3603.        */
  3604.       OPENSSL_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx));
              ^
  3605.   
  3606.       /*

ssl/ssl_lib.c:3612:10: Taking false branch
  3610.        * leave it unchanged.
  3611.        */
  3612.       if ((ssl->ctx != NULL) &&
                   ^
  3613.           (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) &&
  3614.           (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) {

ssl/ssl_lib.c:3619:5: 
  3617.       }
  3618.   
  3619. >     SSL_CTX_up_ref(ctx);
  3620.       SSL_CTX_free(ssl->ctx);     /* decrement reference count */
  3621.       ssl->ctx = ctx;

ssl/ssl_lib.c:2766:1: start of procedure SSL_CTX_up_ref()
    2764.   }
    2765.   
    2766. > int SSL_CTX_up_ref(SSL_CTX *ctx)
    2767.   {
    2768.       int i;

ssl/ssl_lib.c:2770:9: 
    2768.       int i;
    2769.   
    2770. >     if (CRYPTO_UP_REF(&ctx->references, &i, ctx->lock) <= 0)
    2771.           return 0;
    2772.   

include/internal/refcount.h:25:1: start of procedure CRYPTO_UP_REF()
      23.   typedef _Atomic int CRYPTO_REF_COUNT;
      24.   
      25. > static ossl_inline int CRYPTO_UP_REF(_Atomic int *val, int *ret, void *lock)
      26.   {
      27.       *ret = atomic_fetch_add_explicit(val, 1, memory_order_relaxed) + 1;

include/internal/refcount.h:27:5: 
      25.   static ossl_inline int CRYPTO_UP_REF(_Atomic int *val, int *ret, void *lock)
      26.   {
      27. >     *ret = atomic_fetch_add_explicit(val, 1, memory_order_relaxed) + 1;
      28.       return 1;
      29.   }

include/internal/refcount.h:28:5: 
      26.   {
      27.       *ret = atomic_fetch_add_explicit(val, 1, memory_order_relaxed) + 1;
      28. >     return 1;
      29.   }
      30.   

include/internal/refcount.h:29:1: return from a call to CRYPTO_UP_REF
      27.       *ret = atomic_fetch_add_explicit(val, 1, memory_order_relaxed) + 1;
      28.       return 1;
      29. > }
      30.   
      31.   static ossl_inline int CRYPTO_DOWN_REF(_Atomic int *val, int *ret, void *lock)

ssl/ssl_lib.c:2770:9: Taking false branch
    2768.       int i;
    2769.   
    2770.       if (CRYPTO_UP_REF(&ctx->references, &i, ctx->lock) <= 0)
                    ^
    2771.           return 0;
    2772.   

ssl/ssl_lib.c:2775:14: Condition is false
    2773.       REF_PRINT_COUNT("SSL_CTX", ctx);
    2774.       REF_ASSERT_ISNT(i < 2);
    2775.       return ((i > 1) ? 1 : 0);
                         ^
    2776.   }
    2777.   

ssl/ssl_lib.c:2775:13: 
    2773.       REF_PRINT_COUNT("SSL_CTX", ctx);
    2774.       REF_ASSERT_ISNT(i < 2);
    2775. >     return ((i > 1) ? 1 : 0);
    2776.   }
    2777.   

ssl/ssl_lib.c:2775:5: 
    2773.       REF_PRINT_COUNT("SSL_CTX", ctx);
    2774.       REF_ASSERT_ISNT(i < 2);
    2775. >     return ((i > 1) ? 1 : 0);
    2776.   }
    2777.   

ssl/ssl_lib.c:2776:1: return from a call to SSL_CTX_up_ref
    2774.       REF_ASSERT_ISNT(i < 2);
    2775.       return ((i > 1) ? 1 : 0);
    2776. > }
    2777.   
    2778.   void SSL_CTX_free(SSL_CTX *a)

ssl/ssl_lib.c:3620:5: Skipping SSL_CTX_free(): empty list of specs
  3618.   
  3619.       SSL_CTX_up_ref(ctx);
  3620.       SSL_CTX_free(ssl->ctx);     /* decrement reference count */
              ^
  3621.       ssl->ctx = ctx;
  3622.   

ssl/ssl_lib.c:3621:5: 
  3619.       SSL_CTX_up_ref(ctx);
  3620.       SSL_CTX_free(ssl->ctx);     /* decrement reference count */
  3621. >     ssl->ctx = ctx;
  3622.   
  3623.       return ssl->ctx;

ssl/ssl_lib.c:3623:5: 
  3621.       ssl->ctx = ctx;
  3622.   
  3623. >     return ssl->ctx;
  3624.   }
  3625.   

ssl/ssl_lib.c:3624:1: return from a call to SSL_set_SSL_CTX
  3622.   
  3623.       return ssl->ctx;
  3624. > }
  3625.   
  3626.   int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)

test/handshake_helper.c:182:9: 
180.            * contexts differ/conflict
181.            */
182. >         SSL_clear_options(s, 0xFFFFFFFFL);
183.           SSL_set_options(s, SSL_CTX_get_options(new_ctx));
184.   

ssl/ssl_lib.c:4068:1: start of procedure SSL_clear_options()
  4066.   }
  4067.   
  4068. > unsigned long SSL_clear_options(SSL *s, unsigned long op)
  4069.   {
  4070.       return s->options &= ~op;

ssl/ssl_lib.c:4070:5: 
  4068.   unsigned long SSL_clear_options(SSL *s, unsigned long op)
  4069.   {
  4070. >     return s->options &= ~op;
  4071.   }
  4072.   

ssl/ssl_lib.c:4071:1: return from a call to SSL_clear_options
  4069.   {
  4070.       return s->options &= ~op;
  4071. > }
  4072.   
  4073.   STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s)

test/handshake_helper.c:183:9: 
181.            */
182.           SSL_clear_options(s, 0xFFFFFFFFL);
183. >         SSL_set_options(s, SSL_CTX_get_options(new_ctx));
184.   
185.           ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;

ssl/ssl_lib.c:4043:1: start of procedure SSL_CTX_get_options()
  4041.    * control interface.
  4042.    */
  4043. > unsigned long SSL_CTX_get_options(const SSL_CTX *ctx)
  4044.   {
  4045.       return ctx->options;

ssl/ssl_lib.c:4045:5: 
  4043.   unsigned long SSL_CTX_get_options(const SSL_CTX *ctx)
  4044.   {
  4045. >     return ctx->options;
  4046.   }
  4047.   

ssl/ssl_lib.c:4046:1: return from a call to SSL_CTX_get_options
  4044.   {
  4045.       return ctx->options;
  4046. > }
  4047.   
  4048.   unsigned long SSL_get_options(const SSL *s)

ssl/ssl_lib.c:4058:1: start of procedure SSL_set_options()
  4056.   }
  4057.   
  4058. > unsigned long SSL_set_options(SSL *s, unsigned long op)
  4059.   {
  4060.       return s->options |= op;

ssl/ssl_lib.c:4060:5: 
  4058.   unsigned long SSL_set_options(SSL *s, unsigned long op)
  4059.   {
  4060. >     return s->options |= op;
  4061.   }
  4062.   

ssl/ssl_lib.c:4061:1: return from a call to SSL_set_options
  4059.   {
  4060.       return s->options |= op;
  4061. > }
  4062.   
  4063.   unsigned long SSL_CTX_clear_options(SSL_CTX *ctx, unsigned long op)

test/handshake_helper.c:185:9: 
183.           SSL_set_options(s, SSL_CTX_get_options(new_ctx));
184.   
185. >         ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
186.           return 1;
187.       } else if (len == strlen("server1") &&

static int early_select_server_ctx(SSL *s, void *arg, int ignore)
{
    const char *servername;
    const unsigned char *p;
    size_t len, remaining;
    HANDSHAKE_EX_DATA *ex_data =
        (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));
    if (!SSL_early_get0_ext(s, TLSEXT_TYPE_server_name, &p, &remaining) ||
        remaining <= 2)
        return 0;
    len = (*(p++) << 1);
    len += *(p++);
    if (len + 2 != remaining)
        return 0;
    remaining = len;
    if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)
        return 0;
    remaining--;
    if (remaining <= 2)
        return 0;
    len = (*(p++) << 1);
    len += *(p++);
    if (len + 2 > remaining)
        return 0;
    remaining = len;
    servername = (const char *)p;
    if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {
        SSL_CTX *new_ctx = arg;
        SSL_set_SSL_CTX(s, new_ctx);
        SSL_clear_options(s, 0xFFFFFFFFL);
        SSL_set_options(s, SSL_CTX_get_options(new_ctx));
        ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;
        return 1;
    } else if (len == strlen("server1") &&
               strncmp(servername, "server1", len) == 0) {
        ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
        return 1;
    } else if (ignore) {
        ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;
        return 1;
    }
    return 0;
}
['static int early_select_server_ctx(SSL *s, void *arg, int ignore)\n{\n    const char *servername;\n    const unsigned char *p;\n    size_t len, remaining;\n    HANDSHAKE_EX_DATA *ex_data =\n        (HANDSHAKE_EX_DATA*)(SSL_get_ex_data(s, ex_data_idx));\n    if (!SSL_early_get0_ext(s, TLSEXT_TYPE_server_name, &p, &remaining) ||\n        remaining <= 2)\n        return 0;\n    len = (*(p++) << 1);\n    len += *(p++);\n    if (len + 2 != remaining)\n        return 0;\n    remaining = len;\n    if (remaining == 0 || *p++ != TLSEXT_NAMETYPE_host_name)\n        return 0;\n    remaining--;\n    if (remaining <= 2)\n        return 0;\n    len = (*(p++) << 1);\n    len += *(p++);\n    if (len + 2 > remaining)\n        return 0;\n    remaining = len;\n    servername = (const char *)p;\n    if (len == strlen("server2") && strncmp(servername, "server2", len) == 0) {\n        SSL_CTX *new_ctx = arg;\n        SSL_set_SSL_CTX(s, new_ctx);\n        SSL_clear_options(s, 0xFFFFFFFFL);\n        SSL_set_options(s, SSL_CTX_get_options(new_ctx));\n        ex_data->servername = SSL_TEST_SERVERNAME_SERVER2;\n        return 1;\n    } else if (len == strlen("server1") &&\n               strncmp(servername, "server1", len) == 0) {\n        ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n        return 1;\n    } else if (ignore) {\n        ex_data->servername = SSL_TEST_SERVERNAME_SERVER1;\n        return 1;\n    }\n    return 0;\n}', 'void *SSL_get_ex_data(const SSL *s, int idx)\n{\n    return (CRYPTO_get_ex_data(&s->ex_data, idx));\n}', 'void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx)\n{\n    if (ad->sk == NULL || idx >= sk_void_num(ad->sk))\n        return NULL;\n    return sk_void_value(ad->sk, idx);\n}', 'SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx)\n{\n    CERT *new_cert;\n    if (ssl->ctx == ctx)\n        return ssl->ctx;\n    if (ctx == NULL)\n        ctx = ssl->session_ctx;\n    new_cert = ssl_cert_dup(ctx->cert);\n    if (new_cert == NULL) {\n        return NULL;\n    }\n    ssl_cert_free(ssl->cert);\n    ssl->cert = new_cert;\n    OPENSSL_assert(ssl->sid_ctx_length <= sizeof(ssl->sid_ctx));\n    if ((ssl->ctx != NULL) &&\n        (ssl->sid_ctx_length == ssl->ctx->sid_ctx_length) &&\n        (memcmp(ssl->sid_ctx, ssl->ctx->sid_ctx, ssl->sid_ctx_length) == 0)) {\n        ssl->sid_ctx_length = ctx->sid_ctx_length;\n        memcpy(&ssl->sid_ctx, &ctx->sid_ctx, sizeof(ssl->sid_ctx));\n    }\n    SSL_CTX_up_ref(ctx);\n    SSL_CTX_free(ssl->ctx);\n    ssl->ctx = ctx;\n    return ssl->ctx;\n}', 'void ssl_cert_free(CERT *c)\n{\n    int i;\n    if (c == NULL)\n        return;\n    CRYPTO_DOWN_REF(&c->references, &i, c->lock);\n    REF_PRINT_COUNT("CERT", c);\n    if (i > 0)\n        return;\n    REF_ASSERT_ISNT(i < 0);\n#ifndef OPENSSL_NO_DH\n    EVP_PKEY_free(c->dh_tmp);\n#endif\n    ssl_cert_clear_certs(c);\n    OPENSSL_free(c->conf_sigalgs);\n    OPENSSL_free(c->client_sigalgs);\n    OPENSSL_free(c->shared_sigalgs);\n    OPENSSL_free(c->ctype);\n    X509_STORE_free(c->verify_store);\n    X509_STORE_free(c->chain_store);\n    custom_exts_free(&c->cli_ext);\n    custom_exts_free(&c->srv_ext);\n#ifndef OPENSSL_NO_PSK\n    OPENSSL_free(c->psk_identity_hint);\n#endif\n    CRYPTO_THREAD_lock_free(c->lock);\n    OPENSSL_free(c);\n}', 'int SSL_CTX_up_ref(SSL_CTX *ctx)\n{\n    int i;\n    if (CRYPTO_UP_REF(&ctx->references, &i, ctx->lock) <= 0)\n        return 0;\n    REF_PRINT_COUNT("SSL_CTX", ctx);\n    REF_ASSERT_ISNT(i < 2);\n    return ((i > 1) ? 1 : 0);\n}', 'static ossl_inline int CRYPTO_UP_REF(_Atomic int *val, int *ret, void *lock)\n{\n    *ret = atomic_fetch_add_explicit(val, 1, memory_order_relaxed) + 1;\n    return 1;\n}', 'unsigned long SSL_clear_options(SSL *s, unsigned long op)\n{\n    return s->options &= ~op;\n}', 'unsigned long SSL_CTX_get_options(const SSL_CTX *ctx)\n{\n    return ctx->options;\n}', 'unsigned long SSL_set_options(SSL *s, unsigned long op)\n{\n    return s->options |= op;\n}']