2c5c3fcced
Resolves: RHEL-26271
171 lines
6.5 KiB
Diff
171 lines
6.5 KiB
Diff
From f5b48604779362c91a22080b6905413fbba28b74 Mon Sep 17 00:00:00 2001
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From: Dmitry Belyavskiy <dbelyavs@redhat.com>
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Date: Fri, 8 Mar 2024 11:18:12 +0100
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Subject: [PATCH 49/49] 0119-provider-sigalgs-in-signaturealgorithms-conf.patch
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Patch-name: 0119-provider-sigalgs-in-signaturealgorithms-conf.patch
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Patch-id: 119
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Patch-status: |
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# https://github.com/openssl/openssl/issues/22779
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---
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ssl/s3_lib.c | 8 ++++----
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ssl/ssl_lib.c | 2 +-
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ssl/ssl_local.h | 2 +-
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ssl/t1_lib.c | 45 ++++++++++++++++++++++++++++++++++-----------
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4 files changed, 40 insertions(+), 17 deletions(-)
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diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c
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index e8ec98c221..48a1aa0e61 100644
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--- a/ssl/s3_lib.c
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+++ b/ssl/s3_lib.c
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@@ -3685,13 +3685,13 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
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return tls1_set_sigalgs(sc->cert, parg, larg, 0);
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case SSL_CTRL_SET_SIGALGS_LIST:
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- return tls1_set_sigalgs_list(sc->cert, parg, 0);
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+ return tls1_set_sigalgs_list(s->ctx, sc->cert, parg, 0);
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case SSL_CTRL_SET_CLIENT_SIGALGS:
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return tls1_set_sigalgs(sc->cert, parg, larg, 1);
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case SSL_CTRL_SET_CLIENT_SIGALGS_LIST:
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- return tls1_set_sigalgs_list(sc->cert, parg, 1);
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+ return tls1_set_sigalgs_list(s->ctx, sc->cert, parg, 1);
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case SSL_CTRL_GET_CLIENT_CERT_TYPES:
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{
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@@ -3968,13 +3968,13 @@ long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
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return tls1_set_sigalgs(ctx->cert, parg, larg, 0);
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case SSL_CTRL_SET_SIGALGS_LIST:
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- return tls1_set_sigalgs_list(ctx->cert, parg, 0);
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+ return tls1_set_sigalgs_list(ctx, ctx->cert, parg, 0);
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case SSL_CTRL_SET_CLIENT_SIGALGS:
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return tls1_set_sigalgs(ctx->cert, parg, larg, 1);
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case SSL_CTRL_SET_CLIENT_SIGALGS_LIST:
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- return tls1_set_sigalgs_list(ctx->cert, parg, 1);
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+ return tls1_set_sigalgs_list(ctx, ctx->cert, parg, 1);
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case SSL_CTRL_SET_CLIENT_CERT_TYPES:
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return ssl3_set_req_cert_type(ctx->cert, parg, larg);
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diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
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index 1329841aaf..4d95ab71cd 100644
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--- a/ssl/ssl_lib.c
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+++ b/ssl/ssl_lib.c
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@@ -3078,7 +3078,7 @@ long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
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return tls1_set_groups_list(ctx, NULL, NULL, parg);
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case SSL_CTRL_SET_SIGALGS_LIST:
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case SSL_CTRL_SET_CLIENT_SIGALGS_LIST:
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- return tls1_set_sigalgs_list(NULL, parg, 0);
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+ return tls1_set_sigalgs_list(ctx, NULL, parg, 0);
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default:
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return 0;
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}
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diff --git a/ssl/ssl_local.h b/ssl/ssl_local.h
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index 0d3acfbe66..a73b2c4770 100644
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--- a/ssl/ssl_local.h
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+++ b/ssl/ssl_local.h
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@@ -2796,7 +2796,7 @@ __owur int tls_use_ticket(SSL_CONNECTION *s);
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void ssl_set_sig_mask(uint32_t *pmask_a, SSL_CONNECTION *s, int op);
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-__owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
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+__owur int tls1_set_sigalgs_list(SSL_CTX *ctx, CERT *c, const char *str, int client);
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__owur int tls1_set_raw_sigalgs(CERT *c, const uint16_t *psigs, size_t salglen,
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int client);
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__owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen,
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diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c
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index fe680449c5..87f2ae7000 100644
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--- a/ssl/t1_lib.c
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+++ b/ssl/t1_lib.c
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@@ -716,6 +716,7 @@ int ssl_load_sigalgs(SSL_CTX *ctx)
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/* now populate ctx->ssl_cert_info */
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if (ctx->sigalg_list_len > 0) {
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+ OPENSSL_free(ctx->ssl_cert_info);
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ctx->ssl_cert_info = OPENSSL_zalloc(sizeof(lu) * ctx->sigalg_list_len);
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if (ctx->ssl_cert_info == NULL)
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return 0;
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@@ -2889,6 +2890,7 @@ typedef struct {
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size_t sigalgcnt;
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/* TLSEXT_SIGALG_XXX values */
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uint16_t sigalgs[TLS_MAX_SIGALGCNT];
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+ SSL_CTX *ctx;
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} sig_cb_st;
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static void get_sigorhash(int *psig, int *phash, const char *str)
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@@ -2913,7 +2915,8 @@ static void get_sigorhash(int *psig, int *phash, const char *str)
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static int sig_cb(const char *elem, int len, void *arg)
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{
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sig_cb_st *sarg = arg;
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- size_t i;
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+ size_t i = 0;
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+ int load_success = 0;
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const SIGALG_LOOKUP *s;
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char etmp[TLS_MAX_SIGSTRING_LEN], *p;
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int sig_alg = NID_undef, hash_alg = NID_undef;
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@@ -2943,17 +2946,36 @@ static int sig_cb(const char *elem, int len, void *arg)
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* in the table.
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*/
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if (p == NULL) {
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- for (i = 0, s = sigalg_lookup_tbl; i < OSSL_NELEM(sigalg_lookup_tbl);
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- i++, s++) {
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- if (s->name != NULL && strcmp(etmp, s->name) == 0) {
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- sarg->sigalgs[sarg->sigalgcnt++] = s->sigalg;
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- break;
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- }
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+ /* Load provider sigalgs */
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+ if (sarg->ctx) {
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+ load_success = ssl_load_sigalgs(sarg->ctx);
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}
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- if (i == OSSL_NELEM(sigalg_lookup_tbl)) {
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- /* Ignore unknown algorithms if ignore_unknown */
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- return ignore_unknown;
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+ if (load_success) {
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+ /* Check if a provider supports the sigalg */
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+ for (i = 0; i < sarg->ctx->sigalg_list_len; i++) {
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+ if (sarg->ctx->sigalg_list[i].sigalg_name != NULL
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+ && strcmp(etmp,
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+ sarg->ctx->sigalg_list[i].sigalg_name) == 0) {
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+ sarg->sigalgs[sarg->sigalgcnt++] =
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+ sarg->ctx->sigalg_list[i].code_point;
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+ break;
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+ }
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+ }
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}
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+ /* Check the built-in sigalgs */
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+ if (!sarg->ctx || !load_success || i == sarg->ctx->sigalg_list_len) {
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+ for (i = 0, s = sigalg_lookup_tbl;
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+ i < OSSL_NELEM(sigalg_lookup_tbl); i++, s++) {
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+ if (s->name != NULL && strcmp(etmp, s->name) == 0) {
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+ sarg->sigalgs[sarg->sigalgcnt++] = s->sigalg;
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+ break;
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+ }
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+ }
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+ if (i == OSSL_NELEM(sigalg_lookup_tbl)) {
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+ /* Ignore unknown algorithms if ignore_unknown */
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+ return ignore_unknown;
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+ }
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+ }
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} else {
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*p = 0;
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p++;
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@@ -2992,10 +3014,11 @@ static int sig_cb(const char *elem, int len, void *arg)
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* Set supported signature algorithms based on a colon separated list of the
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* form sig+hash e.g. RSA+SHA512:DSA+SHA512
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*/
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-int tls1_set_sigalgs_list(CERT *c, const char *str, int client)
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+int tls1_set_sigalgs_list(SSL_CTX *ctx, CERT *c, const char *str, int client)
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{
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sig_cb_st sig;
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sig.sigalgcnt = 0;
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+ sig.ctx = ctx;
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if (!CONF_parse_list(str, ':', 1, sig_cb, &sig))
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return 0;
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if (sig.sigalgcnt == 0) {
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--
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2.44.0
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