Commit f67fe352 authored by Deomid Ryabkov's avatar Deomid Ryabkov Committed by Cesanta Bot

Pull out common SSL interface

Currently only OpenSSL API impl, but the plan is to add more.

PUBLISHED_FROM=c85b26fa2312047768bdcf3eca583e60862aba90
parent 48057977
...@@ -14,19 +14,11 @@ signature: | ...@@ -14,19 +14,11 @@ signature: |
size_t recv_mbuf_limit; /* Max size of recv buffer */ size_t recv_mbuf_limit; /* Max size of recv buffer */
struct mbuf recv_mbuf; /* Received data */ struct mbuf recv_mbuf; /* Received data */
struct mbuf send_mbuf; /* Data scheduled for sending */ struct mbuf send_mbuf; /* Data scheduled for sending */
#if MG_ENABLE_SSL
#if MG_NET_IF != MG_NET_IF_SIMPLELINK
SSL *ssl;
SSL_CTX *ssl_ctx;
#else
char *ssl_cert;
char *ssl_key;
char *ssl_ca_cert;
char *ssl_server_name;
#endif
#endif
time_t last_io_time; /* Timestamp of the last socket IO */ time_t last_io_time; /* Timestamp of the last socket IO */
double ev_timer_time; /* Timestamp of the future MG_EV_TIMER */ double ev_timer_time; /* Timestamp of the future MG_EV_TIMER */
#if MG_ENABLE_SSL
void *ssl_if_data; /* SSL library data. */
#endif
mg_event_handler_t proto_handler; /* Protocol-specific event handler */ mg_event_handler_t proto_handler; /* Protocol-specific event handler */
void *proto_data; /* Protocol-specific data */ void *proto_data; /* Protocol-specific data */
void (*proto_data_destructor)(void *proto_data); void (*proto_data_destructor)(void *proto_data);
......
...@@ -2016,9 +2016,8 @@ static void mg_destroy_conn(struct mg_connection *conn, int destroy_if) { ...@@ -2016,9 +2016,8 @@ static void mg_destroy_conn(struct mg_connection *conn, int destroy_if) {
if (conn->proto_data != NULL && conn->proto_data_destructor != NULL) { if (conn->proto_data != NULL && conn->proto_data_destructor != NULL) {
conn->proto_data_destructor(conn->proto_data); conn->proto_data_destructor(conn->proto_data);
} }
#if MG_ENABLE_SSL && MG_NET_IF == MG_NET_IF_SOCKET #if MG_ENABLE_SSL
if (conn->ssl != NULL) SSL_free(conn->ssl); mg_ssl_if_conn_free(conn);
if (conn->ssl_ctx != NULL) SSL_CTX_free(conn->ssl_ctx);
#endif #endif
mbuf_free(&conn->recv_mbuf); mbuf_free(&conn->recv_mbuf);
mbuf_free(&conn->send_mbuf); mbuf_free(&conn->send_mbuf);
...@@ -2060,11 +2059,11 @@ void mg_mgr_init_opt(struct mg_mgr *m, void *user_data, ...@@ -2060,11 +2059,11 @@ void mg_mgr_init_opt(struct mg_mgr *m, void *user_data,
signal(SIGPIPE, SIG_IGN); signal(SIGPIPE, SIG_IGN);
#endif #endif
#if MG_ENABLE_SSL && MG_NET_IF == MG_NET_IF_SOCKET #if MG_ENABLE_SSL
{ {
static int init_done; static int init_done;
if (!init_done) { if (!init_done) {
SSL_library_init(); mg_ssl_if_init();
init_done++; init_done++;
} }
} }
...@@ -2354,197 +2353,6 @@ MG_INTERNAL int mg_parse_address(const char *str, union socket_address *sa, ...@@ -2354,197 +2353,6 @@ MG_INTERNAL int mg_parse_address(const char *str, union socket_address *sa,
return port < 0xffffUL && (ch == '\0' || ch == ',' || isspace(ch)) ? len : -1; return port < 0xffffUL && (ch == '\0' || ch == ',' || isspace(ch)) ? len : -1;
} }
#if MG_ENABLE_SSL
#if MG_NET_IF != MG_NET_IF_SIMPLELINK
/*
* Certificate generation script is at
* https://github.com/cesanta/mongoose/blob/master/scripts/generate_ssl_certificates.sh
*/
#if !MG_DISABLE_PFS
/*
* Cipher suite options used for TLS negotiation.
* https://wiki.mozilla.org/Security/Server_Side_TLS#Recommended_configurations
*/
static const char mg_s_cipher_list[] =
#if defined(MG_SSL_CRYPTO_MODERN)
"ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:"
"ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:"
"DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:"
"ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:"
"ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:"
"ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:"
"DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:"
"DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:"
"!aNULL:!eNULL:!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK"
#elif defined(MG_SSL_CRYPTO_OLD)
"ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:"
"ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:"
"DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:"
"ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:"
"ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:"
"ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:"
"DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:"
"DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:ECDHE-RSA-DES-CBC3-SHA:"
"ECDHE-ECDSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:"
"AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:DES-CBC3-SHA:"
"HIGH:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:"
"!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA"
#else /* Default - intermediate. */
"ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:"
"ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:"
"DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:"
"ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:"
"ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:"
"ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:"
"DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:"
"DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:"
"AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:"
"DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:"
"!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA"
#endif
;
/*
* Default DH params for PFS cipher negotiation. This is a 2048-bit group.
* Will be used if none are provided by the user in the certificate file.
*/
static const char mg_s_default_dh_params[] =
"\
-----BEGIN DH PARAMETERS-----\n\
MIIBCAKCAQEAlvbgD/qh9znWIlGFcV0zdltD7rq8FeShIqIhkQ0C7hYFThrBvF2E\n\
Z9bmgaP+sfQwGpVlv9mtaWjvERbu6mEG7JTkgmVUJrUt/wiRzwTaCXBqZkdUO8Tq\n\
+E6VOEQAilstG90ikN1Tfo+K6+X68XkRUIlgawBTKuvKVwBhuvlqTGerOtnXWnrt\n\
ym//hd3cd5PBYGBix0i7oR4xdghvfR2WLVu0LgdThTBb6XP7gLd19cQ1JuBtAajZ\n\
wMuPn7qlUkEFDIkAZy59/Hue/H2Q2vU/JsvVhHWCQBL4F1ofEAt50il6ZxR1QfFK\n\
9VGKDC4oOgm9DlxwwBoC2FjqmvQlqVV3kwIBAg==\n\
-----END DH PARAMETERS-----\n";
#endif
static int mg_use_ca_cert(SSL_CTX *ctx, const char *cert) {
if (ctx == NULL) {
return -1;
} else if (cert == NULL || strcmp(cert, "*") == 0) {
return 0;
}
SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, 0);
return SSL_CTX_load_verify_locations(ctx, cert, NULL) == 1 ? 0 : -2;
}
static int mg_use_cert(SSL_CTX *ctx, const char *cert, const char *key) {
if (ctx == NULL) {
return -1;
} else if (cert == NULL || cert[0] == '\0' || key == NULL || key[0] == '\0') {
return 0;
} else if (SSL_CTX_use_certificate_file(ctx, cert, 1) == 0 ||
SSL_CTX_use_PrivateKey_file(ctx, key, 1) == 0) {
return -2;
} else {
#if !MG_DISABLE_PFS
BIO *bio = NULL;
DH *dh = NULL;
/* Try to read DH parameters from the cert/key file. */
bio = BIO_new_file(cert, "r");
if (bio != NULL) {
dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
BIO_free(bio);
}
/*
* If there are no DH params in the file, fall back to hard-coded ones.
* Not ideal, but better than nothing.
*/
if (dh == NULL) {
bio = BIO_new_mem_buf((void *) mg_s_default_dh_params, -1);
dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
BIO_free(bio);
}
if (dh != NULL) {
SSL_CTX_set_tmp_dh(ctx, dh);
SSL_CTX_set_options(ctx, SSL_OP_SINGLE_DH_USE);
DH_free(dh);
}
#endif
SSL_CTX_set_mode(ctx, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
SSL_CTX_use_certificate_chain_file(ctx, cert);
return 0;
}
}
/*
* Turn the connection into SSL mode.
* `cert` is the certificate file in PEM format. For listening connections,
* certificate file must contain private key and server certificate,
* concatenated. It may also contain DH params - these will be used for more
* secure key exchange. `ca_cert` is a certificate authority (CA) PEM file, and
* it is optional (can be set to NULL). If `ca_cert` is non-NULL, then
* the connection is so-called two-way-SSL: other peer's certificate is
* checked against the `ca_cert`.
*
* Handy OpenSSL command to generate test self-signed certificate:
*
* openssl req -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -days 999
*
* Return NULL on success, or error message on failure.
*/
static const char *mg_set_ssl2(struct mg_connection *nc, const char *cert,
const char *key, const char *ca_cert) {
const char *result = NULL;
DBG(("%p %s,%s,%s", nc, (cert ? cert : ""), (key ? key : ""),
(ca_cert ? ca_cert : "")));
if (nc->flags & MG_F_UDP) {
return "SSL for UDP is not supported";
}
if (key == NULL && cert != NULL) key = cert;
if (nc->ssl != NULL) {
SSL_free(nc->ssl);
nc->ssl = NULL;
}
if (nc->ssl_ctx != NULL) {
SSL_CTX_free(nc->ssl_ctx);
nc->ssl_ctx = NULL;
}
if ((nc->flags & MG_F_LISTENING) &&
(nc->ssl_ctx = SSL_CTX_new(SSLv23_server_method())) == NULL) {
result = "SSL_CTX_new() failed";
} else if (!(nc->flags & MG_F_LISTENING) &&
(nc->ssl_ctx = SSL_CTX_new(SSLv23_client_method())) == NULL) {
result = "SSL_CTX_new() failed";
} else if (mg_use_cert(nc->ssl_ctx, cert, key) != 0) {
result = "Invalid ssl cert";
} else if (mg_use_ca_cert(nc->ssl_ctx, ca_cert) != 0) {
result = "Invalid CA cert";
} else if (!(nc->flags & MG_F_LISTENING) &&
(nc->ssl = SSL_new(nc->ssl_ctx)) == NULL) {
result = "SSL_new() failed";
}
#if !MG_DISABLE_PFS
SSL_CTX_set_cipher_list(nc->ssl_ctx, mg_s_cipher_list);
#endif
if (result == NULL) nc->flags |= MG_F_SSL;
return result;
}
const char *mg_set_ssl(struct mg_connection *nc, const char *cert,
const char *ca_cert) {
return mg_set_ssl2(nc, cert, NULL, ca_cert);
}
#else
const char *mg_set_ssl2(struct mg_connection *nc, const char *cert,
const char *key, const char *ca_cert);
#endif /* MG_NET_IF == MG_NET_IF_SIMPLELINK */
#endif /* MG_ENABLE_SSL */
struct mg_connection *mg_if_accept_new_conn(struct mg_connection *lc) { struct mg_connection *mg_if_accept_new_conn(struct mg_connection *lc) {
struct mg_add_sock_opts opts; struct mg_add_sock_opts opts;
struct mg_connection *nc; struct mg_connection *nc;
...@@ -2765,22 +2573,6 @@ struct mg_connection *mg_connect(struct mg_mgr *mgr, const char *address, ...@@ -2765,22 +2573,6 @@ struct mg_connection *mg_connect(struct mg_mgr *mgr, const char *address,
return mg_connect_opt(mgr, address, callback, opts); return mg_connect_opt(mgr, address, callback, opts);
} }
#if MG_ENABLE_SSL
static void mg_set_ssl_server_name(struct mg_connection *nc,
const char *server_name) {
DBG(("%p '%s'", nc, server_name));
#ifdef KR_VERSION
SSL_CTX_kr_set_verify_name(nc->ssl_ctx, server_name);
#elif MG_NET_IF == MG_NET_IF_SIMPLELINK
nc->ssl_server_name = strdup(server_name);
#else
/* TODO(rojer): Implement server name verification on OpenSSL. */
(void) nc;
(void) server_name;
#endif
}
#endif /* MG_ENABLE_SSL */
struct mg_connection *mg_connect_opt(struct mg_mgr *mgr, const char *address, struct mg_connection *mg_connect_opt(struct mg_mgr *mgr, const char *address,
mg_event_handler_t callback, mg_event_handler_t callback,
struct mg_connect_opts opts) { struct mg_connect_opts opts) {
...@@ -2808,23 +2600,37 @@ struct mg_connection *mg_connect_opt(struct mg_mgr *mgr, const char *address, ...@@ -2808,23 +2600,37 @@ struct mg_connection *mg_connect_opt(struct mg_mgr *mgr, const char *address,
nc->user_data = opts.user_data; nc->user_data = opts.user_data;
#if MG_ENABLE_SSL #if MG_ENABLE_SSL
LOG(LL_DEBUG, DBG(("%p %s %s,%s,%s", nc, address, (opts.ssl_cert ? opts.ssl_cert : "-"),
("%p %s %s,%s,%s", nc, address, (opts.ssl_cert ? opts.ssl_cert : "-"),
(opts.ssl_key ? opts.ssl_key : "-"), (opts.ssl_key ? opts.ssl_key : "-"),
(opts.ssl_ca_cert ? opts.ssl_ca_cert : "-"))); (opts.ssl_ca_cert ? opts.ssl_ca_cert : "-")));
if (opts.ssl_cert != NULL || opts.ssl_ca_cert != NULL) { if (opts.ssl_cert != NULL || opts.ssl_ca_cert != NULL) {
const char *err = const char *err_msg = NULL;
mg_set_ssl2(nc, opts.ssl_cert, opts.ssl_key, opts.ssl_ca_cert); struct mg_ssl_if_conn_params params;
if (err != NULL) { if (nc->flags & MG_F_UDP) {
MG_SET_PTRPTR(opts.error_string, err); MG_SET_PTRPTR(opts.error_string, "SSL for UDP is not supported");
mg_destroy_conn(nc, 1 /* destroy_if */); mg_destroy_conn(nc, 1 /* destroy_if */);
return NULL; return NULL;
} }
memset(&params, 0, sizeof(params));
params.cert = opts.ssl_cert;
params.key = opts.ssl_key;
params.ca_cert = opts.ssl_ca_cert;
if (opts.ssl_ca_cert != NULL) {
if (opts.ssl_server_name != NULL) {
if (strcmp(opts.ssl_server_name, "*") != 0) {
params.server_name = opts.ssl_server_name;
}
} else if (rc == 0) { /* If it's a DNS name, use host. */
params.server_name = host;
} }
if (opts.ssl_ca_cert != NULL && opts.ssl_server_name != NULL && }
strcmp(opts.ssl_server_name, "*") != 0) { if (mg_ssl_if_conn_init(nc, &params, &err_msg) != MG_SSL_OK) {
mg_set_ssl_server_name(nc, opts.ssl_server_name); MG_SET_PTRPTR(opts.error_string, err_msg);
mg_destroy_conn(nc, 1 /* destroy_if */);
return NULL;
}
nc->flags |= MG_F_SSL;
} }
#endif /* MG_ENABLE_SSL */ #endif /* MG_ENABLE_SSL */
...@@ -2846,11 +2652,6 @@ struct mg_connection *mg_connect_opt(struct mg_mgr *mgr, const char *address, ...@@ -2846,11 +2652,6 @@ struct mg_connection *mg_connect_opt(struct mg_mgr *mgr, const char *address,
} }
nc->priv_2 = dns_conn; nc->priv_2 = dns_conn;
nc->flags |= MG_F_RESOLVING; nc->flags |= MG_F_RESOLVING;
#if MG_ENABLE_SSL
if (opts.ssl_ca_cert != NULL && opts.ssl_server_name == NULL) {
mg_set_ssl_server_name(nc, host);
}
#endif
return nc; return nc;
#else #else
MG_SET_PTRPTR(opts.error_string, "Resolver is disabled"); MG_SET_PTRPTR(opts.error_string, "Resolver is disabled");
...@@ -2903,18 +2704,28 @@ struct mg_connection *mg_bind_opt(struct mg_mgr *mgr, const char *address, ...@@ -2903,18 +2704,28 @@ struct mg_connection *mg_bind_opt(struct mg_mgr *mgr, const char *address,
if (proto == SOCK_DGRAM) nc->flags |= MG_F_UDP; if (proto == SOCK_DGRAM) nc->flags |= MG_F_UDP;
#if MG_ENABLE_SSL #if MG_ENABLE_SSL
DBG(("%p %s %s %s %s", nc, address, (opts.ssl_cert ? opts.ssl_cert : ""), DBG(("%p %s %s,%s,%s", nc, address, (opts.ssl_cert ? opts.ssl_cert : "-"),
(opts.ssl_key ? opts.ssl_key : ""), (opts.ssl_key ? opts.ssl_key : "-"),
(opts.ssl_ca_cert ? opts.ssl_ca_cert : ""))); (opts.ssl_ca_cert ? opts.ssl_ca_cert : "-")));
if (opts.ssl_cert != NULL || opts.ssl_ca_cert != NULL) { if (opts.ssl_cert != NULL || opts.ssl_ca_cert != NULL) {
const char *err = const char *err_msg = NULL;
mg_set_ssl2(nc, opts.ssl_cert, opts.ssl_key, opts.ssl_ca_cert); struct mg_ssl_if_conn_params params;
if (err != NULL) { if (nc->flags & MG_F_UDP) {
MG_SET_PTRPTR(opts.error_string, err); MG_SET_PTRPTR(opts.error_string, "SSL for UDP is not supported");
mg_destroy_conn(nc, 1 /* destroy_if */); mg_destroy_conn(nc, 1 /* destroy_if */);
return NULL; return NULL;
} }
memset(&params, 0, sizeof(params));
params.cert = opts.ssl_cert;
params.key = opts.ssl_key;
params.ca_cert = opts.ssl_ca_cert;
if (mg_ssl_if_conn_init(nc, &params, &err_msg) != MG_SSL_OK) {
MG_SET_PTRPTR(opts.error_string, err_msg);
mg_destroy_conn(nc, 1 /* destroy_if */);
return NULL;
}
nc->flags |= MG_F_SSL;
} }
#endif /* MG_ENABLE_SSL */ #endif /* MG_ENABLE_SSL */
...@@ -3190,7 +3001,6 @@ static sock_t mg_open_listening_socket(union socket_address *sa, int type, ...@@ -3190,7 +3001,6 @@ static sock_t mg_open_listening_socket(union socket_address *sa, int type,
int proto); int proto);
#if MG_ENABLE_SSL #if MG_ENABLE_SSL
static void mg_ssl_begin(struct mg_connection *nc); static void mg_ssl_begin(struct mg_connection *nc);
static int mg_ssl_err(struct mg_connection *conn, int res);
#endif #endif
void mg_set_non_blocking_mode(sock_t sock) { void mg_set_non_blocking_mode(sock_t sock) {
...@@ -3315,12 +3125,8 @@ static int mg_accept_conn(struct mg_connection *lc) { ...@@ -3315,12 +3125,8 @@ static int mg_accept_conn(struct mg_connection *lc) {
ntohs(sa.sin.sin_port))); ntohs(sa.sin.sin_port)));
mg_sock_set(nc, sock); mg_sock_set(nc, sock);
#if MG_ENABLE_SSL #if MG_ENABLE_SSL
if (lc->ssl_ctx != NULL) { if (lc->flags & MG_F_SSL) {
nc->ssl = SSL_new(lc->ssl_ctx); if (mg_ssl_if_conn_accept(nc, lc) != MG_SSL_OK) mg_close_conn(nc);
if (nc->ssl == NULL || SSL_set_fd(nc->ssl, sock) != 1) {
DBG(("SSL error"));
mg_close_conn(nc);
}
} else } else
#endif #endif
{ {
...@@ -3400,13 +3206,12 @@ static void mg_write_to_socket(struct mg_connection *nc) { ...@@ -3400,13 +3206,12 @@ static void mg_write_to_socket(struct mg_connection *nc) {
} }
#if MG_ENABLE_SSL #if MG_ENABLE_SSL
if (nc->ssl != NULL) { if (nc->flags & MG_F_SSL) {
if (nc->flags & MG_F_SSL_HANDSHAKE_DONE) { if (nc->flags & MG_F_SSL_HANDSHAKE_DONE) {
n = SSL_write(nc->ssl, io->buf, io->len); n = mg_ssl_if_write(nc, io->buf, io->len);
DBG(("%p %d bytes -> %d (SSL)", nc, n, nc->sock)); DBG(("%p %d bytes -> %d (SSL)", nc, n, nc->sock));
if (n <= 0) { if (n < 0) {
int ssl_err = mg_ssl_err(nc, n); if (n != MG_SSL_WANT_READ && n != MG_SSL_WANT_WRITE) {
if (ssl_err != SSL_ERROR_WANT_READ && ssl_err != SSL_ERROR_WANT_WRITE) {
nc->flags |= MG_F_CLOSE_IMMEDIATELY; nc->flags |= MG_F_CLOSE_IMMEDIATELY;
} }
return; return;
...@@ -3453,12 +3258,12 @@ static void mg_handle_tcp_read(struct mg_connection *conn) { ...@@ -3453,12 +3258,12 @@ static void mg_handle_tcp_read(struct mg_connection *conn) {
} }
#if MG_ENABLE_SSL #if MG_ENABLE_SSL
if (conn->ssl != NULL) { if (conn->flags & MG_F_SSL) {
if (conn->flags & MG_F_SSL_HANDSHAKE_DONE) { if (conn->flags & MG_F_SSL_HANDSHAKE_DONE) {
/* SSL library may have more bytes ready to read then we ask to read. /* SSL library may have more bytes ready to read than we ask to read.
* Therefore, read in a loop until we read everything. Without the loop, * Therefore, read in a loop until we read everything. Without the loop,
* we skip to the next select() cycle which can just timeout. */ * we skip to the next select() cycle which can just timeout. */
while ((n = SSL_read(conn->ssl, buf, MG_TCP_RECV_BUFFER_SIZE)) > 0) { while ((n = mg_ssl_if_read(conn, buf, MG_TCP_RECV_BUFFER_SIZE)) > 0) {
DBG(("%p %d bytes <- %d (SSL)", conn, n, conn->sock)); DBG(("%p %d bytes <- %d (SSL)", conn, n, conn->sock));
mg_if_recv_tcp_cb(conn, buf, n, 1 /* own */); mg_if_recv_tcp_cb(conn, buf, n, 1 /* own */);
buf = NULL; buf = NULL;
...@@ -3468,7 +3273,7 @@ static void mg_handle_tcp_read(struct mg_connection *conn) { ...@@ -3468,7 +3273,7 @@ static void mg_handle_tcp_read(struct mg_connection *conn) {
if (buf == NULL) break; if (buf == NULL) break;
} }
MG_FREE(buf); MG_FREE(buf);
mg_ssl_err(conn, n); if (n < 0 && n != MG_SSL_WANT_READ) conn->flags |= MG_F_CLOSE_IMMEDIATELY;
} else { } else {
MG_FREE(buf); MG_FREE(buf);
mg_ssl_begin(conn); mg_ssl_begin(conn);
...@@ -3521,27 +3326,12 @@ static void mg_handle_udp_read(struct mg_connection *nc) { ...@@ -3521,27 +3326,12 @@ static void mg_handle_udp_read(struct mg_connection *nc) {
} }
#if MG_ENABLE_SSL #if MG_ENABLE_SSL
static int mg_ssl_err(struct mg_connection *conn, int res) {
int ssl_err = SSL_get_error(conn->ssl, res);
DBG(("%p %d -> %d", conn, res, ssl_err));
if (ssl_err == SSL_ERROR_WANT_READ) {
conn->flags |= MG_F_WANT_READ;
} else if (ssl_err == SSL_ERROR_WANT_WRITE) {
conn->flags |= MG_F_WANT_WRITE;
} else {
/* There could be an alert to deliver. Try our best. */
SSL_write(conn->ssl, "", 0);
conn->flags |= MG_F_CLOSE_IMMEDIATELY;
}
return ssl_err;
}
static void mg_ssl_begin(struct mg_connection *nc) { static void mg_ssl_begin(struct mg_connection *nc) {
int server_side = (nc->listener != NULL); int server_side = (nc->listener != NULL);
int res = server_side ? SSL_accept(nc->ssl) : SSL_connect(nc->ssl); enum mg_ssl_if_result res = mg_ssl_if_handshake(nc);
DBG(("%p %d res %d %d", nc, server_side, res, mg_get_errno())); DBG(("%p %d res %d", nc, server_side, res));
if (res == 1) { if (res == MG_SSL_OK) {
nc->flags |= MG_F_SSL_HANDSHAKE_DONE; nc->flags |= MG_F_SSL_HANDSHAKE_DONE;
nc->flags &= ~(MG_F_WANT_READ | MG_F_WANT_WRITE); nc->flags &= ~(MG_F_WANT_READ | MG_F_WANT_WRITE);
...@@ -3553,15 +3343,12 @@ static void mg_ssl_begin(struct mg_connection *nc) { ...@@ -3553,15 +3343,12 @@ static void mg_ssl_begin(struct mg_connection *nc) {
} else { } else {
mg_if_connect_cb(nc, 0); mg_if_connect_cb(nc, 0);
} }
} else { } else if (res != MG_SSL_WANT_READ && res != MG_SSL_WANT_WRITE) {
int ssl_err = mg_ssl_err(nc, res);
if (ssl_err != SSL_ERROR_WANT_READ && ssl_err != SSL_ERROR_WANT_WRITE) {
if (!server_side) { if (!server_side) {
mg_if_connect_cb(nc, ssl_err); mg_if_connect_cb(nc, res);
} }
nc->flags |= MG_F_CLOSE_IMMEDIATELY; nc->flags |= MG_F_CLOSE_IMMEDIATELY;
} }
}
} }
#endif /* MG_ENABLE_SSL */ #endif /* MG_ENABLE_SSL */
...@@ -3596,8 +3383,7 @@ void mg_mgr_handle_conn(struct mg_connection *nc, int fd_flags, double now) { ...@@ -3596,8 +3383,7 @@ void mg_mgr_handle_conn(struct mg_connection *nc, int fd_flags, double now) {
err = nc->err; err = nc->err;
#endif #endif
#if MG_ENABLE_SSL #if MG_ENABLE_SSL
if (nc->ssl != NULL && err == 0) { if ((nc->flags & MG_F_SSL) && err == 0) {
SSL_set_fd(nc->ssl, nc->sock);
mg_ssl_begin(nc); mg_ssl_begin(nc);
} else { } else {
mg_if_connect_cb(nc, err); mg_if_connect_cb(nc, err);
...@@ -4095,6 +3881,296 @@ struct mg_iface_vtable mg_tun_iface_vtable = MG_TUN_IFACE_VTABLE; ...@@ -4095,6 +3881,296 @@ struct mg_iface_vtable mg_tun_iface_vtable = MG_TUN_IFACE_VTABLE;
#endif /* MG_ENABLE_TUN */ #endif /* MG_ENABLE_TUN */
#ifdef MG_MODULE_LINES #ifdef MG_MODULE_LINES
#line 1 "mongoose/src/ssl_if_openssl.c"
#endif
/*
* Copyright (c) 2014-2016 Cesanta Software Limited
* All rights reserved
*/
#if MG_ENABLE_SSL && MG_NET_IF != MG_NET_IF_SIMPLELINK
#ifdef __APPLE__
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
#include <openssl/ssl.h>
struct mg_ssl_if_ctx {
SSL *ssl;
SSL_CTX *ssl_ctx;
};
void mg_ssl_if_init() {
SSL_library_init();
}
enum mg_ssl_if_result mg_ssl_if_conn_accept(struct mg_connection *nc,
struct mg_connection *lc) {
struct mg_ssl_if_ctx *ctx =
(struct mg_ssl_if_ctx *) MG_CALLOC(1, sizeof(*ctx));
struct mg_ssl_if_ctx *lc_ctx = (struct mg_ssl_if_ctx *) lc->ssl_if_data;
nc->ssl_if_data = ctx;
if (ctx == NULL || lc_ctx == NULL) return MG_SSL_ERROR;
ctx->ssl_ctx = lc_ctx->ssl_ctx;
if ((ctx->ssl = SSL_new(ctx->ssl_ctx)) == NULL) {
return MG_SSL_ERROR;
}
return MG_SSL_OK;
}
static enum mg_ssl_if_result mg_use_cert(SSL_CTX *ctx, const char *cert,
const char *key, const char **err_msg);
static enum mg_ssl_if_result mg_use_ca_cert(SSL_CTX *ctx, const char *cert);
static enum mg_ssl_if_result mg_set_cipher_list(SSL_CTX *ctx);
enum mg_ssl_if_result mg_ssl_if_conn_init(
struct mg_connection *nc, const struct mg_ssl_if_conn_params *params,
const char **err_msg) {
struct mg_ssl_if_ctx *ctx =
(struct mg_ssl_if_ctx *) MG_CALLOC(1, sizeof(*ctx));
DBG(("%p %s,%s,%s", nc, (params->cert ? params->cert : ""),
(params->key ? params->key : ""),
(params->ca_cert ? params->ca_cert : "")));
if (ctx == NULL) {
MG_SET_PTRPTR(err_msg, "Out of memory");
return MG_SSL_ERROR;
}
nc->ssl_if_data = ctx;
if (nc->flags & MG_F_LISTENING) {
ctx->ssl_ctx = SSL_CTX_new(SSLv23_server_method());
} else {
ctx->ssl_ctx = SSL_CTX_new(SSLv23_client_method());
}
if (ctx->ssl_ctx == NULL) {
MG_SET_PTRPTR(err_msg, "Failed to create SSL context");
return MG_SSL_ERROR;
}
if (params->cert != NULL &&
mg_use_cert(ctx->ssl_ctx, params->cert, params->key, err_msg) !=
MG_SSL_OK) {
return MG_SSL_ERROR;
}
if (params->ca_cert != NULL &&
mg_use_ca_cert(ctx->ssl_ctx, params->ca_cert) != MG_SSL_OK) {
MG_SET_PTRPTR(err_msg, "Invalid SSL CA cert");
return MG_SSL_ERROR;
}
if (params->server_name != NULL) {
#ifdef KR_VERSION
SSL_CTX_kr_set_verify_name(ctx->ssl_ctx, params->server_name);
#else
/* TODO(rojer): Implement server name verification on OpenSSL. */
#endif
}
mg_set_cipher_list(ctx->ssl_ctx);
if ((ctx->ssl = SSL_new(ctx->ssl_ctx)) == NULL) {
MG_SET_PTRPTR(err_msg, "Failed to create SSL session");
return MG_SSL_ERROR;
}
nc->flags |= MG_F_SSL;
DBG(("%p new SSL %p -> %p", ctx->ssl_ctx, ctx->ssl));
return MG_SSL_OK;
}
enum mg_ssl_if_result mg_ssl_if_handshake(struct mg_connection *nc) {
struct mg_ssl_if_ctx *ctx = (struct mg_ssl_if_ctx *) nc->ssl_if_data;
int server_side = (nc->listener != NULL);
int res;
/* If descriptor is not yet set, do it now. */
if (SSL_get_fd(ctx->ssl) < 0) {
if (SSL_set_fd(ctx->ssl, nc->sock) != 1) return MG_SSL_ERROR;
}
res = server_side ? SSL_accept(ctx->ssl) : SSL_connect(ctx->ssl);
if (res != 1) {
int err = SSL_get_error(ctx->ssl, res);
if (err == SSL_ERROR_WANT_READ) return MG_SSL_WANT_READ;
if (err == SSL_ERROR_WANT_WRITE) return MG_SSL_WANT_WRITE;
DBG(("%p %p SSL error: %d", nc, ctx->ssl_ctx, err));
nc->err = err;
return MG_SSL_ERROR;
}
return MG_SSL_OK;
}
int mg_ssl_if_read(struct mg_connection *nc, void *buf, size_t buf_size) {
struct mg_ssl_if_ctx *ctx = (struct mg_ssl_if_ctx *) nc->ssl_if_data;
int n = SSL_read(ctx->ssl, buf, buf_size);
DBG(("%p %d -> %d", nc, (int) buf_size, n));
if (n <= 0) {
int err = SSL_get_error(ctx->ssl, n);
if (err == SSL_ERROR_WANT_READ) return MG_SSL_WANT_READ;
if (err == SSL_ERROR_WANT_WRITE) return MG_SSL_WANT_WRITE;
nc->err = err;
return MG_SSL_ERROR;
}
return n;
}
int mg_ssl_if_write(struct mg_connection *nc, const void *data, size_t len) {
struct mg_ssl_if_ctx *ctx = (struct mg_ssl_if_ctx *) nc->ssl_if_data;
int n = SSL_write(ctx->ssl, data, len);
DBG(("%p %d -> %d", nc, (int) len, n));
if (n <= 0) {
int err = SSL_get_error(ctx->ssl, n);
if (err == SSL_ERROR_WANT_READ) return MG_SSL_WANT_READ;
if (err == SSL_ERROR_WANT_WRITE) return MG_SSL_WANT_WRITE;
nc->err = err;
return MG_SSL_ERROR;
}
return n;
}
void mg_ssl_if_conn_free(struct mg_connection *nc) {
struct mg_ssl_if_ctx *ctx = (struct mg_ssl_if_ctx *) nc->ssl_if_data;
if (ctx == NULL) return;
nc->ssl_if_data = NULL;
if (ctx->ssl != NULL) SSL_free(ctx->ssl);
if (ctx->ssl_ctx != NULL && nc->listener == NULL) SSL_CTX_free(ctx->ssl_ctx);
memset(ctx, 0, sizeof(*ctx));
MG_FREE(ctx);
}
/*
* Cipher suite options used for TLS negotiation.
* https://wiki.mozilla.org/Security/Server_Side_TLS#Recommended_configurations
*/
static const char mg_s_cipher_list[] =
#if defined(MG_SSL_CRYPTO_MODERN)
"ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:"
"ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:"
"DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:"
"ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:"
"ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:"
"ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:"
"DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:"
"DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:"
"!aNULL:!eNULL:!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK"
#elif defined(MG_SSL_CRYPTO_OLD)
"ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:"
"ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:"
"DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:"
"ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:"
"ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:"
"ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:"
"DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:"
"DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:ECDHE-RSA-DES-CBC3-SHA:"
"ECDHE-ECDSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:"
"AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:DES-CBC3-SHA:"
"HIGH:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:"
"!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA"
#else /* Default - intermediate. */
"ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:"
"ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:"
"DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:"
"ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:"
"ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:"
"ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:"
"DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:"
"DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:"
"AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:"
"DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:"
"!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA"
#endif
;
/*
* Default DH params for PFS cipher negotiation. This is a 2048-bit group.
* Will be used if none are provided by the user in the certificate file.
*/
#if !MG_DISABLE_PFS && !defined(KR_VERSION)
static const char mg_s_default_dh_params[] =
"\
-----BEGIN DH PARAMETERS-----\n\
MIIBCAKCAQEAlvbgD/qh9znWIlGFcV0zdltD7rq8FeShIqIhkQ0C7hYFThrBvF2E\n\
Z9bmgaP+sfQwGpVlv9mtaWjvERbu6mEG7JTkgmVUJrUt/wiRzwTaCXBqZkdUO8Tq\n\
+E6VOEQAilstG90ikN1Tfo+K6+X68XkRUIlgawBTKuvKVwBhuvlqTGerOtnXWnrt\n\
ym//hd3cd5PBYGBix0i7oR4xdghvfR2WLVu0LgdThTBb6XP7gLd19cQ1JuBtAajZ\n\
wMuPn7qlUkEFDIkAZy59/Hue/H2Q2vU/JsvVhHWCQBL4F1ofEAt50il6ZxR1QfFK\n\
9VGKDC4oOgm9DlxwwBoC2FjqmvQlqVV3kwIBAg==\n\
-----END DH PARAMETERS-----\n";
#endif
static enum mg_ssl_if_result mg_use_ca_cert(SSL_CTX *ctx, const char *cert) {
if (cert == NULL || strcmp(cert, "*") == 0) {
return MG_SSL_OK;
}
SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, 0);
return SSL_CTX_load_verify_locations(ctx, cert, NULL) == 1 ? MG_SSL_OK
: MG_SSL_ERROR;
}
static enum mg_ssl_if_result mg_use_cert(SSL_CTX *ctx, const char *cert,
const char *key,
const char **err_msg) {
if (key == NULL) key = cert;
if (cert == NULL || cert[0] == '\0' || key == NULL || key[0] == '\0') {
return MG_SSL_OK;
} else if (SSL_CTX_use_certificate_file(ctx, cert, 1) == 0) {
MG_SET_PTRPTR(err_msg, "Invalid SSL cert");
return MG_SSL_ERROR;
} else if (SSL_CTX_use_PrivateKey_file(ctx, key, 1) == 0) {
MG_SET_PTRPTR(err_msg, "Invalid SSL key");
return MG_SSL_ERROR;
} else {
#if !MG_DISABLE_PFS && !defined(KR_VERSION)
BIO *bio = NULL;
DH *dh = NULL;
/* Try to read DH parameters from the cert/key file. */
bio = BIO_new_file(cert, "r");
if (bio != NULL) {
dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
BIO_free(bio);
}
/*
* If there are no DH params in the file, fall back to hard-coded ones.
* Not ideal, but better than nothing.
*/
if (dh == NULL) {
bio = BIO_new_mem_buf((void *) mg_s_default_dh_params, -1);
dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
BIO_free(bio);
}
if (dh != NULL) {
SSL_CTX_set_tmp_dh(ctx, dh);
SSL_CTX_set_options(ctx, SSL_OP_SINGLE_DH_USE);
DH_free(dh);
}
#endif
SSL_CTX_set_mode(ctx, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
SSL_CTX_use_certificate_chain_file(ctx, cert);
}
return MG_SSL_OK;
}
static enum mg_ssl_if_result mg_set_cipher_list(SSL_CTX *ctx) {
return (SSL_CTX_set_cipher_list(ctx, mg_s_cipher_list) == 1 ? MG_SSL_OK
: MG_SSL_ERROR);
}
const char *mg_set_ssl(struct mg_connection *nc, const char *cert,
const char *ca_cert) {
const char *err_msg = NULL;
struct mg_ssl_if_conn_params params;
memset(&params, 0, sizeof(params));
params.cert = cert;
params.ca_cert = ca_cert;
if (mg_ssl_if_conn_init(nc, &params, &err_msg) != MG_SSL_OK) {
return err_msg;
}
return NULL;
}
#endif /* MG_ENABLE_SSL && MG_NET_IF != MG_NET_IF_SIMPLELINK */
#ifdef MG_MODULE_LINES
#line 1 "mongoose/src/multithreading.c" #line 1 "mongoose/src/multithreading.c"
#endif #endif
/* /*
...@@ -7438,7 +7514,7 @@ static void mg_prepare_cgi_environment(struct mg_connection *nc, ...@@ -7438,7 +7514,7 @@ static void mg_prepare_cgi_environment(struct mg_connection *nc,
} }
#if MG_ENABLE_SSL #if MG_ENABLE_SSL
mg_addenv(blk, "HTTPS=%s", nc->ssl != NULL ? "on" : "off"); mg_addenv(blk, "HTTPS=%s", (nc->flags & MG_F_SSL ? "on" : "off"));
#else #else
mg_addenv(blk, "HTTPS=off"); mg_addenv(blk, "HTTPS=off");
#endif #endif
...@@ -11976,73 +12052,7 @@ extern struct mg_iface_vtable mg_simplelink_iface_vtable; ...@@ -11976,73 +12052,7 @@ extern struct mg_iface_vtable mg_simplelink_iface_vtable;
static sock_t mg_open_listening_socket(union socket_address *sa, int type, static sock_t mg_open_listening_socket(union socket_address *sa, int type,
int proto); int proto);
#if MG_ENABLE_SSL int sl_set_ssl_opts(struct mg_connection *nc);
const char *mg_set_ssl2(struct mg_connection *nc, const char *cert,
const char *key, const char *ca_cert) {
DBG(("%p %s,%s,%s", nc, (cert ? cert : "-"), (key ? key : "-"),
(ca_cert ? ca_cert : "-")));
if (nc->flags & MG_F_UDP) {
return "SSL for UDP is not supported";
}
if (cert != NULL || key != NULL) {
if (cert != NULL && key != NULL) {
nc->ssl_cert = strdup(cert);
nc->ssl_key = strdup(key);
} else {
return "both cert and key are required";
}
}
if (ca_cert != NULL && strcmp(ca_cert, "*") != 0) {
nc->ssl_ca_cert = strdup(ca_cert);
}
nc->flags |= MG_F_SSL;
return NULL;
}
int sl_set_ssl_opts(struct mg_connection *nc) {
int err;
DBG(("%p %s,%s,%s,%s", nc, (nc->ssl_cert ? nc->ssl_cert : "-"),
(nc->ssl_key ? nc->ssl_cert : "-"),
(nc->ssl_ca_cert ? nc->ssl_ca_cert : "-"),
(nc->ssl_server_name ? nc->ssl_server_name : "-")));
if (nc->ssl_cert != NULL && nc->ssl_key != NULL) {
err = sl_SetSockOpt(nc->sock, SL_SOL_SOCKET,
SL_SO_SECURE_FILES_CERTIFICATE_FILE_NAME, nc->ssl_cert,
strlen(nc->ssl_cert));
DBG(("CERTIFICATE_FILE_NAME %s -> %d", nc->ssl_cert, err));
if (err != 0) return err;
err = sl_SetSockOpt(nc->sock, SL_SOL_SOCKET,
SL_SO_SECURE_FILES_PRIVATE_KEY_FILE_NAME, nc->ssl_key,
strlen(nc->ssl_key));
DBG(("PRIVATE_KEY_FILE_NAME %s -> %d", nc->ssl_key, nc->err));
if (err != 0) return err;
}
if (nc->ssl_ca_cert != NULL) {
if (nc->ssl_ca_cert[0] != '\0') {
err = sl_SetSockOpt(nc->sock, SL_SOL_SOCKET,
SL_SO_SECURE_FILES_CA_FILE_NAME, nc->ssl_ca_cert,
strlen(nc->ssl_ca_cert));
DBG(("CA_FILE_NAME %s -> %d", nc->ssl_ca_cert, err));
if (err != 0) return err;
}
}
if (nc->ssl_server_name != NULL) {
err = sl_SetSockOpt(nc->sock, SL_SOL_SOCKET,
SO_SECURE_DOMAIN_NAME_VERIFICATION, nc->ssl_server_name,
strlen(nc->ssl_server_name));
DBG(("DOMAIN_NAME_VERIFICATION %s -> %d", nc->ssl_server_name, err));
/* Domain name verificationw as added in a NWP service pack, older versions
* return SL_ENOPROTOOPT. There isn't much we can do about it, so we ignore
* the error. */
if (err != 0 && err != SL_ENOPROTOOPT) return err;
}
return 0;
}
#endif
void mg_set_non_blocking_mode(sock_t sock) { void mg_set_non_blocking_mode(sock_t sock) {
SlSockNonblocking_t opt; SlSockNonblocking_t opt;
...@@ -12129,12 +12139,6 @@ void mg_sl_if_destroy_conn(struct mg_connection *nc) { ...@@ -12129,12 +12139,6 @@ void mg_sl_if_destroy_conn(struct mg_connection *nc) {
sl_Close(nc->sock); sl_Close(nc->sock);
} }
nc->sock = INVALID_SOCKET; nc->sock = INVALID_SOCKET;
#if MG_ENABLE_SSL
MG_FREE(nc->ssl_cert);
MG_FREE(nc->ssl_key);
MG_FREE(nc->ssl_ca_cert);
MG_FREE(nc->ssl_server_name);
#endif
} }
static int mg_accept_conn(struct mg_connection *lc) { static int mg_accept_conn(struct mg_connection *lc) {
...@@ -12496,6 +12500,109 @@ struct mg_iface_vtable mg_default_iface_vtable = MG_SL_IFACE_VTABLE; ...@@ -12496,6 +12500,109 @@ struct mg_iface_vtable mg_default_iface_vtable = MG_SL_IFACE_VTABLE;
#endif /* MG_ENABLE_NET_IF_SIMPLELINK */ #endif /* MG_ENABLE_NET_IF_SIMPLELINK */
#ifdef MG_MODULE_LINES #ifdef MG_MODULE_LINES
#line 1 "common/platforms/simplelink/sl_ssl_if.c"
#endif
/*
* Copyright (c) 2014-2016 Cesanta Software Limited
* All rights reserved
*/
#if MG_ENABLE_SSL && MG_NET_IF == MG_NET_IF_SIMPLELINK
struct mg_ssl_if_ctx {
char *ssl_cert;
char *ssl_key;
char *ssl_ca_cert;
char *ssl_server_name;
};
void mg_ssl_if_init() {
}
enum mg_ssl_if_result mg_ssl_if_conn_init(
struct mg_connection *nc, const struct mg_ssl_if_conn_params *params,
const char **err_msg) {
struct mg_ssl_if_ctx *ctx =
(struct mg_ssl_if_ctx *) MG_CALLOC(1, sizeof(*ctx));
if (ctx == NULL) {
MG_SET_PTRPTR(err_msg, "Out of memory");
return MG_SSL_ERROR;
}
nc->ssl_if_data = ctx;
if (params->cert != NULL || params->key != NULL) {
if (params->cert != NULL && params->key != NULL) {
ctx->ssl_cert = strdup(params->cert);
ctx->ssl_key = strdup(params->key);
} else {
MG_SET_PTRPTR(err_msg, "Both cert and key are required.");
return MG_SSL_ERROR;
}
}
if (params->ca_cert != NULL && strcmp(params->ca_cert, "*") != 0) {
ctx->ssl_ca_cert = strdup(params->ca_cert);
}
if (params->server_name != NULL) {
ctx->ssl_server_name = strdup(params->server_name);
}
return MG_SSL_OK;
}
void mg_ssl_if_conn_free(struct mg_connection *nc) {
struct mg_ssl_if_ctx *ctx = (struct mg_ssl_if_ctx *) nc->ssl_if_data;
if (ctx == NULL) return;
nc->ssl_if_data = NULL;
MG_FREE(ctx->ssl_cert);
MG_FREE(ctx->ssl_key);
MG_FREE(ctx->ssl_ca_cert);
MG_FREE(ctx->ssl_server_name);
memset(ctx, 0, sizeof(*ctx));
MG_FREE(ctx);
}
int sl_set_ssl_opts(struct mg_connection *nc) {
int err;
struct mg_ssl_if_ctx *ctx = (struct mg_ssl_if_ctx *) nc->ssl_if_data;
DBG(("%p %s,%s,%s,%s", nc, (ctx->ssl_cert ? ctx->ssl_cert : "-"),
(ctx->ssl_key ? ctx->ssl_cert : "-"),
(ctx->ssl_ca_cert ? ctx->ssl_ca_cert : "-"),
(ctx->ssl_server_name ? ctx->ssl_server_name : "-")));
if (ctx->ssl_cert != NULL && ctx->ssl_key != NULL) {
err = sl_SetSockOpt(nc->sock, SL_SOL_SOCKET,
SL_SO_SECURE_FILES_CERTIFICATE_FILE_NAME, ctx->ssl_cert,
strlen(ctx->ssl_cert));
DBG(("CERTIFICATE_FILE_NAME %s -> %d", ctx->ssl_cert, err));
if (err != 0) return err;
err = sl_SetSockOpt(nc->sock, SL_SOL_SOCKET,
SL_SO_SECURE_FILES_PRIVATE_KEY_FILE_NAME, ctx->ssl_key,
strlen(ctx->ssl_key));
DBG(("PRIVATE_KEY_FILE_NAME %s -> %d", ctx->ssl_key, nc->err));
if (err != 0) return err;
}
if (ctx->ssl_ca_cert != NULL) {
if (ctx->ssl_ca_cert[0] != '\0') {
err = sl_SetSockOpt(nc->sock, SL_SOL_SOCKET,
SL_SO_SECURE_FILES_CA_FILE_NAME, ctx->ssl_ca_cert,
strlen(ctx->ssl_ca_cert));
DBG(("CA_FILE_NAME %s -> %d", ctx->ssl_ca_cert, err));
if (err != 0) return err;
}
}
if (ctx->ssl_server_name != NULL) {
err = sl_SetSockOpt(nc->sock, SL_SOL_SOCKET,
SO_SECURE_DOMAIN_NAME_VERIFICATION,
ctx->ssl_server_name, strlen(ctx->ssl_server_name));
DBG(("DOMAIN_NAME_VERIFICATION %s -> %d", ctx->ssl_server_name, err));
/* Domain name verificationw as added in a NWP service pack, older versions
* return SL_ENOPROTOOPT. There isn't much we can do about it, so we ignore
* the error. */
if (err != 0 && err != SL_ENOPROTOOPT) return err;
}
return 0;
}
#endif /* MG_ENABLE_SSL && MG_NET_IF == MG_NET_IF_SIMPLELINK */
#ifdef MG_MODULE_LINES
#line 1 "common/platforms/lwip/mg_lwip_net_if.h" #line 1 "common/platforms/lwip/mg_lwip_net_if.h"
#endif #endif
/* /*
...@@ -12517,6 +12624,7 @@ struct mg_iface_vtable mg_default_iface_vtable = MG_SL_IFACE_VTABLE; ...@@ -12517,6 +12624,7 @@ struct mg_iface_vtable mg_default_iface_vtable = MG_SL_IFACE_VTABLE;
extern struct mg_iface_vtable mg_lwip_iface_vtable; extern struct mg_iface_vtable mg_lwip_iface_vtable;
struct mg_lwip_conn_state { struct mg_lwip_conn_state {
struct mg_connection *nc;
union { union {
struct tcp_pcb *tcp; struct tcp_pcb *tcp;
struct udp_pcb *udp; struct udp_pcb *udp;
...@@ -12701,8 +12809,8 @@ static err_t mg_lwip_tcp_recv_cb(void *arg, struct tcp_pcb *tpcb, ...@@ -12701,8 +12809,8 @@ static err_t mg_lwip_tcp_recv_cb(void *arg, struct tcp_pcb *tpcb,
static void mg_lwip_handle_recv(struct mg_connection *nc) { static void mg_lwip_handle_recv(struct mg_connection *nc) {
struct mg_lwip_conn_state *cs = (struct mg_lwip_conn_state *) nc->sock; struct mg_lwip_conn_state *cs = (struct mg_lwip_conn_state *) nc->sock;
#ifdef KR_VERSION #if MG_ENABLE_SSL
if (nc->ssl != NULL) { if (nc->flags & MG_F_SSL) {
if (nc->flags & MG_F_SSL_HANDSHAKE_DONE) { if (nc->flags & MG_F_SSL_HANDSHAKE_DONE) {
mg_lwip_ssl_recv(nc); mg_lwip_ssl_recv(nc);
} else { } else {
...@@ -12845,10 +12953,9 @@ static err_t mg_lwip_accept_cb(void *arg, struct tcp_pcb *newtpcb, err_t err) { ...@@ -12845,10 +12953,9 @@ static err_t mg_lwip_accept_cb(void *arg, struct tcp_pcb *newtpcb, err_t err) {
#if LWIP_TCP_KEEPALIVE #if LWIP_TCP_KEEPALIVE
mg_lwip_set_keepalive_params(nc, 60, 10, 6); mg_lwip_set_keepalive_params(nc, 60, 10, 6);
#endif #endif
#ifdef KR_VERSION #if MG_ENABLE_SSL
if (lc->ssl_ctx != NULL) { if (lc->flags & MG_F_SSL) {
nc->ssl = SSL_new(lc->ssl_ctx); if (mg_ssl_if_conn_accept(nc, lc) != MG_SSL_OK) {
if (nc->ssl == NULL || SSL_set_fd(nc->ssl, (intptr_t) nc) != 1) {
LOG(LL_ERROR, ("SSL error")); LOG(LL_ERROR, ("SSL error"));
tcp_close(newtpcb); tcp_close(newtpcb);
} }
...@@ -12979,7 +13086,7 @@ void mg_lwip_if_recved(struct mg_connection *nc, size_t len) { ...@@ -12979,7 +13086,7 @@ void mg_lwip_if_recved(struct mg_connection *nc, size_t len) {
/* Currently SSL acknowledges data immediately. /* Currently SSL acknowledges data immediately.
* TODO(rojer): Find a way to propagate mg_lwip_if_recved. */ * TODO(rojer): Find a way to propagate mg_lwip_if_recved. */
#if MG_ENABLE_SSL #if MG_ENABLE_SSL
if (nc->ssl == NULL) { if (!(nc->flags & MG_F_SSL)) {
tcp_recved(cs->pcb.tcp, len); tcp_recved(cs->pcb.tcp, len);
} }
#else #else
...@@ -12992,6 +13099,7 @@ int mg_lwip_if_create_conn(struct mg_connection *nc) { ...@@ -12992,6 +13099,7 @@ int mg_lwip_if_create_conn(struct mg_connection *nc) {
struct mg_lwip_conn_state *cs = struct mg_lwip_conn_state *cs =
(struct mg_lwip_conn_state *) calloc(1, sizeof(*cs)); (struct mg_lwip_conn_state *) calloc(1, sizeof(*cs));
if (cs == NULL) return 0; if (cs == NULL) return 0;
cs->nc = nc;
nc->sock = (intptr_t) cs; nc->sock = (intptr_t) cs;
return 1; return 1;
} }
...@@ -13127,10 +13235,9 @@ void mg_ev_mgr_lwip_process_signals(struct mg_mgr *mgr) { ...@@ -13127,10 +13235,9 @@ void mg_ev_mgr_lwip_process_signals(struct mg_mgr *mgr) {
struct mg_lwip_conn_state *cs = (struct mg_lwip_conn_state *) nc->sock; struct mg_lwip_conn_state *cs = (struct mg_lwip_conn_state *) nc->sock;
switch (md->sig_queue[md->start_index].sig) { switch (md->sig_queue[md->start_index].sig) {
case MG_SIG_CONNECT_RESULT: { case MG_SIG_CONNECT_RESULT: {
#ifdef KR_VERSION #if MG_ENABLE_SSL
if (cs->err == 0 && nc->flags & MG_F_SSL && if (cs->err == 0 && (nc->flags & MG_F_SSL) &&
!(nc->flags & MG_F_SSL_HANDSHAKE_DONE)) { !(nc->flags & MG_F_SSL_HANDSHAKE_DONE)) {
SSL_set_fd(nc->ssl, (intptr_t) nc);
mg_lwip_ssl_do_hs(nc); mg_lwip_ssl_do_hs(nc);
} else } else
#endif #endif
...@@ -13214,8 +13321,8 @@ time_t mg_lwip_if_poll(struct mg_iface *iface, int timeout_ms) { ...@@ -13214,8 +13321,8 @@ time_t mg_lwip_if_poll(struct mg_iface *iface, int timeout_ms) {
mg_close_conn(nc); mg_close_conn(nc);
continue; continue;
} }
#ifdef KR_VERSION #if MG_ENABLE_SSL
if (nc->ssl != NULL && cs != NULL && cs->pcb.tcp != NULL && if ((nc->flags & MG_F_SSL) && cs != NULL && cs->pcb.tcp != NULL &&
cs->pcb.tcp->state == ESTABLISHED) { cs->pcb.tcp->state == ESTABLISHED) {
if (((nc->flags & MG_F_WANT_WRITE) || nc->send_mbuf.len > 0) && if (((nc->flags & MG_F_WANT_WRITE) || nc->send_mbuf.len > 0) &&
cs->pcb.tcp->snd_buf > 0) { cs->pcb.tcp->snd_buf > 0) {
...@@ -13289,8 +13396,7 @@ uint32_t mg_lwip_get_poll_delay_ms(struct mg_mgr *mgr) { ...@@ -13289,8 +13396,7 @@ uint32_t mg_lwip_get_poll_delay_ms(struct mg_mgr *mgr) {
* All rights reserved * All rights reserved
*/ */
#if MG_NET_IF == MG_NET_IF_LWIP_LOW_LEVEL && MG_ENABLE_SSL && \ #if MG_NET_IF == MG_NET_IF_LWIP_LOW_LEVEL && MG_ENABLE_SSL
defined(KR_VERSION)
/* Amalgamated: #include "common/cs_dbg.h" */ /* Amalgamated: #include "common/cs_dbg.h" */
...@@ -13314,19 +13420,17 @@ uint32_t mg_lwip_get_poll_delay_ms(struct mg_mgr *mgr) { ...@@ -13314,19 +13420,17 @@ uint32_t mg_lwip_get_poll_delay_ms(struct mg_mgr *mgr) {
void mg_lwip_ssl_do_hs(struct mg_connection *nc) { void mg_lwip_ssl_do_hs(struct mg_connection *nc) {
struct mg_lwip_conn_state *cs = (struct mg_lwip_conn_state *) nc->sock; struct mg_lwip_conn_state *cs = (struct mg_lwip_conn_state *) nc->sock;
int server_side = (nc->listener != NULL); int server_side = (nc->listener != NULL);
int ret = server_side ? SSL_accept(nc->ssl) : SSL_connect(nc->ssl); enum mg_ssl_if_result res = mg_ssl_if_handshake(nc);
int err = SSL_get_error(nc->ssl, ret); DBG(("%d %d %d", server_side, res));
DBG(("%s %d %d", (server_side ? "SSL_accept" : "SSL_connect"), ret, err)); if (res != MG_SSL_OK) {
if (ret <= 0) { if (res == MG_SSL_WANT_WRITE) {
if (err == SSL_ERROR_WANT_WRITE) {
nc->flags |= MG_F_WANT_WRITE; nc->flags |= MG_F_WANT_WRITE;
cs->err = 0; cs->err = 0;
} else if (err == SSL_ERROR_WANT_READ) { } else if (res == MG_SSL_WANT_READ) {
/* Nothing, we are callback-driven. */ /* Nothing, we are callback-driven. */
cs->err = 0; cs->err = 0;
} else { } else {
cs->err = err; cs->err = res;
LOG(LL_ERROR, ("SSL handshake error: %d", cs->err));
if (server_side) { if (server_side) {
mg_lwip_post_signal(MG_SIG_CLOSE_CONN, nc); mg_lwip_post_signal(MG_SIG_CLOSE_CONN, nc);
} else { } else {
...@@ -13360,9 +13464,8 @@ void mg_lwip_ssl_send(struct mg_connection *nc) { ...@@ -13360,9 +13464,8 @@ void mg_lwip_ssl_send(struct mg_connection *nc) {
if (len == 0) { if (len == 0) {
len = MIN(MG_LWIP_SSL_IO_SIZE, nc->send_mbuf.len); len = MIN(MG_LWIP_SSL_IO_SIZE, nc->send_mbuf.len);
} }
int ret = SSL_write(nc->ssl, nc->send_mbuf.buf, len); int ret = mg_ssl_if_write(nc, nc->send_mbuf.buf, len);
int err = SSL_get_error(nc->ssl, ret); DBG(("%p SSL_write %u = %d, %d", nc, len, ret));
DBG(("%p SSL_write %u = %d, %d", nc, len, ret, err));
if (ret > 0) { if (ret > 0) {
mbuf_remove(&nc->send_mbuf, ret); mbuf_remove(&nc->send_mbuf, ret);
mbuf_trim(&nc->send_mbuf); mbuf_trim(&nc->send_mbuf);
...@@ -13372,12 +13475,11 @@ void mg_lwip_ssl_send(struct mg_connection *nc) { ...@@ -13372,12 +13475,11 @@ void mg_lwip_ssl_send(struct mg_connection *nc) {
* exactly the same send next time. */ * exactly the same send next time. */
cs->last_ssl_write_size = len; cs->last_ssl_write_size = len;
} }
if (err == SSL_ERROR_NONE) { if (ret == len) {
nc->flags &= ~MG_F_WANT_WRITE; nc->flags &= ~MG_F_WANT_WRITE;
} else if (err == SSL_ERROR_WANT_WRITE) { } else if (ret == MG_SSL_WANT_WRITE) {
nc->flags |= MG_F_WANT_WRITE; nc->flags |= MG_F_WANT_WRITE;
} else { } else {
LOG(LL_ERROR, ("SSL write error: %d", err));
mg_lwip_post_signal(MG_SIG_CLOSE_CONN, nc); mg_lwip_post_signal(MG_SIG_CLOSE_CONN, nc);
} }
} }
...@@ -13389,22 +13491,22 @@ void mg_lwip_ssl_recv(struct mg_connection *nc) { ...@@ -13389,22 +13491,22 @@ void mg_lwip_ssl_recv(struct mg_connection *nc) {
while (nc->recv_mbuf.len < MG_LWIP_SSL_RECV_MBUF_LIMIT) { while (nc->recv_mbuf.len < MG_LWIP_SSL_RECV_MBUF_LIMIT) {
char *buf = (char *) malloc(MG_LWIP_SSL_IO_SIZE); char *buf = (char *) malloc(MG_LWIP_SSL_IO_SIZE);
if (buf == NULL) return; if (buf == NULL) return;
int ret = SSL_read(nc->ssl, buf, MG_LWIP_SSL_IO_SIZE); int ret = mg_ssl_if_read(nc, buf, MG_LWIP_SSL_IO_SIZE);
int err = SSL_get_error(nc->ssl, ret); DBG(("%p %p SSL_read %u = %d", nc, cs->rx_chain, MG_LWIP_SSL_IO_SIZE, ret));
DBG(("%p SSL_read %u = %d, %d", nc, MG_LWIP_SSL_IO_SIZE, ret, err));
if (ret <= 0) { if (ret <= 0) {
free(buf); free(buf);
if (err == SSL_ERROR_WANT_WRITE) { if (ret == MG_SSL_WANT_WRITE) {
nc->flags |= MG_F_WANT_WRITE; nc->flags |= MG_F_WANT_WRITE;
return; return;
} else if (err == SSL_ERROR_WANT_READ) { } else if (ret == MG_SSL_WANT_READ) {
/* Nothing, we are callback-driven. */ /*
* Nothing to do in particular, we are callback-driven.
* What we definitely do not need anymore is SSL reading (nothing left).
*/
nc->flags &= ~MG_F_WANT_READ;
cs->err = 0; cs->err = 0;
return; return;
} else { } else {
if (err != SSL_ERROR_ZERO_RETURN) {
LOG(LL_ERROR, ("SSL read error: %d", err));
}
mg_lwip_post_signal(MG_SIG_CLOSE_CONN, nc); mg_lwip_post_signal(MG_SIG_CLOSE_CONN, nc);
return; return;
} }
...@@ -13412,24 +13514,20 @@ void mg_lwip_ssl_recv(struct mg_connection *nc) { ...@@ -13412,24 +13514,20 @@ void mg_lwip_ssl_recv(struct mg_connection *nc) {
mg_if_recv_tcp_cb(nc, buf, ret, 1 /* own */); mg_if_recv_tcp_cb(nc, buf, ret, 1 /* own */);
} }
} }
if (nc->recv_mbuf.len >= MG_LWIP_SSL_RECV_MBUF_LIMIT) {
nc->flags |= MG_F_WANT_READ;
} else {
nc->flags &= ~MG_F_WANT_READ;
}
} }
#ifdef KR_VERSION
ssize_t kr_send(int fd, const void *buf, size_t len) { ssize_t kr_send(int fd, const void *buf, size_t len) {
struct mg_connection *nc = (struct mg_connection *) fd; struct mg_lwip_conn_state *cs = (struct mg_lwip_conn_state *) fd;
int ret = mg_lwip_tcp_write(nc, buf, len); int ret = mg_lwip_tcp_write(cs->nc, buf, len);
DBG(("mg_lwip_tcp_write %u = %d", len, ret)); DBG(("%p mg_lwip_tcp_write %u = %d", cs->nc, len, ret));
if (ret == 0) ret = KR_IO_WOULDBLOCK; if (ret == 0) ret = KR_IO_WOULDBLOCK;
return ret; return ret;
} }
ssize_t kr_recv(int fd, void *buf, size_t len) { ssize_t kr_recv(int fd, void *buf, size_t len) {
struct mg_connection *nc = (struct mg_connection *) fd; struct mg_lwip_conn_state *cs = (struct mg_lwip_conn_state *) fd;
struct mg_lwip_conn_state *cs = (struct mg_lwip_conn_state *) nc->sock;
struct pbuf *seg = cs->rx_chain; struct pbuf *seg = cs->rx_chain;
if (seg == NULL) { if (seg == NULL) {
DBG(("%u - nothing to read", len)); DBG(("%u - nothing to read", len));
...@@ -13449,8 +13547,9 @@ ssize_t kr_recv(int fd, void *buf, size_t len) { ...@@ -13449,8 +13547,9 @@ ssize_t kr_recv(int fd, void *buf, size_t len) {
return len; return len;
} }
#endif /* MG_NET_IF == MG_NET_IF_LWIP_LOW_LEVEL && MG_ENABLE_SSL && \ #endif
defined(KR_VERSION) */
#endif /* MG_NET_IF == MG_NET_IF_LWIP_LOW_LEVEL && MG_ENABLE_SSL */
#ifdef MG_MODULE_LINES #ifdef MG_MODULE_LINES
#line 1 "common/platforms/wince/wince_libc.c" #line 1 "common/platforms/wince/wince_libc.c"
#endif #endif
......
...@@ -2905,6 +2905,58 @@ void mg_if_timer(struct mg_connection *c, double now); ...@@ -2905,6 +2905,58 @@ void mg_if_timer(struct mg_connection *c, double now);
#endif /* CS_MONGOOSE_SRC_NET_IF_H_ */ #endif /* CS_MONGOOSE_SRC_NET_IF_H_ */
#ifdef MG_MODULE_LINES #ifdef MG_MODULE_LINES
#line 1 "mongoose/src/ssl_if.h"
#endif
/*
* Copyright (c) 2014-2016 Cesanta Software Limited
* All rights reserved
*/
#ifndef CS_MONGOOSE_SRC_SSL_IF_H_
#define CS_MONGOOSE_SRC_SSL_IF_H_
#if MG_ENABLE_SSL
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct mg_ssl_if_ctx;
struct mg_connection;
void mg_ssl_if_init();
enum mg_ssl_if_result {
MG_SSL_OK = 0,
MG_SSL_WANT_READ = -1,
MG_SSL_WANT_WRITE = -2,
MG_SSL_ERROR = -3,
};
struct mg_ssl_if_conn_params {
const char *cert;
const char *key;
const char *ca_cert;
const char *server_name;
};
enum mg_ssl_if_result mg_ssl_if_conn_init(struct mg_connection *nc, const struct mg_ssl_if_conn_params *params,
const char **err_msg);
enum mg_ssl_if_result mg_ssl_if_conn_accept(struct mg_connection *nc, struct mg_connection *lc);
void mg_ssl_if_conn_free(struct mg_connection *nc);
enum mg_ssl_if_result mg_ssl_if_handshake(struct mg_connection *nc);
int mg_ssl_if_read(struct mg_connection *nc, void *buf, size_t buf_size);
int mg_ssl_if_write(struct mg_connection *nc, const void *data, size_t len);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* MG_ENABLE_SSL */
#endif /* CS_MONGOOSE_SRC_SSL_IF_H_ */
#ifdef MG_MODULE_LINES
#line 1 "mongoose/src/net.h" #line 1 "mongoose/src/net.h"
#endif #endif
/* /*
...@@ -2946,15 +2998,6 @@ void mg_if_timer(struct mg_connection *c, double now); ...@@ -2946,15 +2998,6 @@ void mg_if_timer(struct mg_connection *c, double now);
/* Amalgamated: #include "mongoose/src/net_if.h" */ /* Amalgamated: #include "mongoose/src/net_if.h" */
/* Amalgamated: #include "common/mbuf.h" */ /* Amalgamated: #include "common/mbuf.h" */
#if MG_ENABLE_SSL
#ifdef __APPLE__
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
#if MG_NET_IF != MG_NET_IF_SIMPLELINK
#include <openssl/ssl.h>
#endif
#endif /* MG_ENABLE_SSL */
#ifndef MG_VPRINTF_BUFFER_SIZE #ifndef MG_VPRINTF_BUFFER_SIZE
#define MG_VPRINTF_BUFFER_SIZE 100 #define MG_VPRINTF_BUFFER_SIZE 100
#endif #endif
...@@ -3032,19 +3075,11 @@ struct mg_connection { ...@@ -3032,19 +3075,11 @@ struct mg_connection {
size_t recv_mbuf_limit; /* Max size of recv buffer */ size_t recv_mbuf_limit; /* Max size of recv buffer */
struct mbuf recv_mbuf; /* Received data */ struct mbuf recv_mbuf; /* Received data */
struct mbuf send_mbuf; /* Data scheduled for sending */ struct mbuf send_mbuf; /* Data scheduled for sending */
#if MG_ENABLE_SSL
#if MG_NET_IF != MG_NET_IF_SIMPLELINK
SSL *ssl;
SSL_CTX *ssl_ctx;
#else
char *ssl_cert;
char *ssl_key;
char *ssl_ca_cert;
char *ssl_server_name;
#endif
#endif
time_t last_io_time; /* Timestamp of the last socket IO */ time_t last_io_time; /* Timestamp of the last socket IO */
double ev_timer_time; /* Timestamp of the future MG_EV_TIMER */ double ev_timer_time; /* Timestamp of the future MG_EV_TIMER */
#if MG_ENABLE_SSL
void *ssl_if_data; /* SSL library data. */
#endif
mg_event_handler_t proto_handler; /* Protocol-specific event handler */ mg_event_handler_t proto_handler; /* Protocol-specific event handler */
void *proto_data; /* Protocol-specific data */ void *proto_data; /* Protocol-specific data */
void (*proto_data_destructor)(void *proto_data); void (*proto_data_destructor)(void *proto_data);
......
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