diff options
author | Matt Caswell <matt@openssl.org> | 2017-04-07 11:20:00 +0100 |
---|---|---|
committer | Matt Caswell <matt@openssl.org> | 2017-04-07 13:41:04 +0100 |
commit | 787d9ec74c86b045ef1ed67e8dc5dc65134ed205 (patch) | |
tree | 8f64ef5fda587d3ca2a01124e4aa38e074735c9a /ssl/statem/extensions_cust.c | |
parent | cd17bb190cf65413877bcddffb5d1fecdb85eef3 (diff) |
Create an ENDPOINT enum type for use internally
We need it for the custom extensions API
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3139)
Diffstat (limited to 'ssl/statem/extensions_cust.c')
-rw-r--r-- | ssl/statem/extensions_cust.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/ssl/statem/extensions_cust.c b/ssl/statem/extensions_cust.c index 38bb03b390..ea79a98f17 100644 --- a/ssl/statem/extensions_cust.c +++ b/ssl/statem/extensions_cust.c @@ -69,22 +69,23 @@ static int custom_ext_parse_old_cb_wrap(SSL *s, unsigned int ext_type, } /* - * Find a custom extension from the list. The |server| param is there to + * Find a custom extension from the list. The |role| param is there to * support the legacy API where custom extensions for client and server could - * be set independently on the same SSL_CTX. It is set to 1 if we are trying - * to find a method relevant to the server, 0 for the client, or -1 if we don't - * care + * be set independently on the same SSL_CTX. It is set to ENDPOINT_SERVER if we + * are trying to find a method relevant to the server, ENDPOINT_CLIENT for the + * client, or ENDPOINT_BOTH for either */ -custom_ext_method *custom_ext_find(const custom_ext_methods *exts, int server, - unsigned int ext_type, size_t *idx) +custom_ext_method *custom_ext_find(const custom_ext_methods *exts, + ENDPOINT role, unsigned int ext_type, + size_t *idx) { size_t i; custom_ext_method *meth = exts->meths; for (i = 0; i < exts->meths_count; i++, meth++) { if (ext_type == meth->ext_type - && (server == -1 || server == meth->server - || meth->server == -1)) { + && (role == ENDPOINT_BOTH || role == meth->role + || meth->role == ENDPOINT_BOTH)) { if (idx != NULL) *idx = i; return meth; @@ -112,12 +113,12 @@ int custom_ext_parse(SSL *s, unsigned int context, unsigned int ext_type, { custom_ext_methods *exts = &s->cert->custext; custom_ext_method *meth; - int server = -1; + ENDPOINT role = ENDPOINT_BOTH; if ((context & (SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO)) != 0) - server = s->server; + role = s->server ? ENDPOINT_SERVER : ENDPOINT_CLIENT; - meth = custom_ext_find(exts, server, ext_type, NULL); + meth = custom_ext_find(exts, role, ext_type, NULL); /* If not found return success */ if (!meth) return 1; @@ -297,10 +298,11 @@ void custom_exts_free(custom_ext_methods *exts) /* Return true if a client custom extension exists, false otherwise */ int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx, unsigned int ext_type) { - return custom_ext_find(&ctx->cert->custext, 0, ext_type, NULL) != NULL; + return custom_ext_find(&ctx->cert->custext, ENDPOINT_CLIENT, ext_type, + NULL) != NULL; } -static int add_custom_ext_intern(SSL_CTX *ctx, int server, +static int add_custom_ext_intern(SSL_CTX *ctx, ENDPOINT role, unsigned int ext_type, unsigned int context, SSL_custom_ext_add_cb_ex add_cb, @@ -343,7 +345,7 @@ static int add_custom_ext_intern(SSL_CTX *ctx, int server, if (ext_type > 0xffff) return 0; /* Search for duplicate */ - if (custom_ext_find(exts, server, ext_type, NULL)) + if (custom_ext_find(exts, role, ext_type, NULL)) return 0; tmp = OPENSSL_realloc(exts->meths, (exts->meths_count + 1) * sizeof(custom_ext_method)); @@ -353,7 +355,7 @@ static int add_custom_ext_intern(SSL_CTX *ctx, int server, exts->meths = tmp; meth = exts->meths + exts->meths_count; memset(meth, 0, sizeof(*meth)); - meth->server = server; + meth->role = role; meth->context = context; meth->parse_cb = parse_cb; meth->add_cb = add_cb; @@ -365,7 +367,8 @@ static int add_custom_ext_intern(SSL_CTX *ctx, int server, return 1; } -static int add_old_custom_ext(SSL_CTX *ctx, int server, unsigned int ext_type, +static int add_old_custom_ext(SSL_CTX *ctx, ENDPOINT role, + unsigned int ext_type, unsigned int context, custom_ext_add_cb add_cb, custom_ext_free_cb free_cb, @@ -395,7 +398,7 @@ static int add_old_custom_ext(SSL_CTX *ctx, int server, unsigned int ext_type, * client and server for the same type in the same SSL_CTX? We don't handle * that yet. */ - ret = add_custom_ext_intern(ctx, server, ext_type, + ret = add_custom_ext_intern(ctx, role, ext_type, context, custom_ext_add_old_cb_wrap, custom_ext_free_old_cb_wrap, @@ -418,7 +421,7 @@ int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx, unsigned int ext_type, void *add_arg, custom_ext_parse_cb parse_cb, void *parse_arg) { - return add_old_custom_ext(ctx, 0, ext_type, + return add_old_custom_ext(ctx, ENDPOINT_CLIENT, ext_type, SSL_EXT_TLS1_2_AND_BELOW_ONLY | SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO @@ -432,7 +435,7 @@ int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx, unsigned int ext_type, void *add_arg, custom_ext_parse_cb parse_cb, void *parse_arg) { - return add_old_custom_ext(ctx, 1, ext_type, + return add_old_custom_ext(ctx, ENDPOINT_SERVER, ext_type, SSL_EXT_TLS1_2_AND_BELOW_ONLY | SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO @@ -447,8 +450,8 @@ int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type, void *add_arg, SSL_custom_ext_parse_cb_ex parse_cb, void *parse_arg) { - return add_custom_ext_intern(ctx, -1, ext_type, context, add_cb, free_cb, - add_arg, parse_cb, parse_arg); + return add_custom_ext_intern(ctx, ENDPOINT_BOTH, ext_type, context, add_cb, + free_cb, add_arg, parse_cb, parse_arg); } int SSL_extension_supported(unsigned int ext_type) |