X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=openssl.c;h=685995f763b1cfd71b1054ed76aa421d428d0db1;hp=4dac8ea9cba6974d13fa6c562f365a5f403b725f;hb=ed36fcd3daa7d4696342ebe738d36c4348705cd5;hpb=fd1bd3017b9aaee3632dd10b6ddc6ed9a077dc03 diff --git a/openssl.c b/openssl.c index 4dac8ea9..685995f7 100644 --- a/openssl.c +++ b/openssl.c @@ -302,7 +302,7 @@ static int ssl_store_cert(struct client_state *csp, X509 *crt) last->next = malloc_or_die(sizeof(struct certs_chain)); last->next->next = NULL; memset(last->next->info_buf, 0, sizeof(last->next->info_buf)); - memset(last->next->file_buf, 0, sizeof(last->next->file_buf)); + last->next->file_buf = NULL; /* * Saving certificate file into buffer @@ -316,15 +316,18 @@ static int ssl_store_cert(struct client_state *csp, X509 *crt) len = BIO_get_mem_data(bio, &bio_mem_data); - if (len > (sizeof(last->file_buf) - 1)) + last->file_buf = malloc((size_t)len + 1); + if (last->file_buf == NULL) { log_error(LOG_LEVEL_ERROR, - "X509 PEM cert len %ld is larger than buffer len %lu", - len, sizeof(last->file_buf) - 1); - len = sizeof(last->file_buf) - 1; + "Failed to allocate %lu bytes to store the X509 PEM certificate", + len + 1); + ret = -1; + goto exit; } strncpy(last->file_buf, bio_mem_data, (size_t)len); + last->file_buf[len] = '\0'; BIO_free(bio); bio = BIO_new(BIO_s_mem()); if (!bio) @@ -1152,6 +1155,11 @@ extern int create_server_ssl_connection(struct client_state *csp) goto exit; } + /* + * XXX: Do we really have to do this always? + * Probably it's sufficient to do if the verification fails + * in which case we're sending the certificates to the client. + */ chain = SSL_get_peer_cert_chain(ssl); if (chain) {