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FS-9785: update mod_event_multicast to work with OpenSSL 1.1.0.

This commit is contained in:
Trever L. Adams 2017-06-29 21:28:11 -06:00
parent c57c740c68
commit cdfe49ee0d
1 changed files with 33 additions and 0 deletions
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33
src/mod/event_handlers/mod_event_multicast/mod_event_multicast.c
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@ -291,7 +291,11 @@ static void event_handler(switch_event_t *event)
char *buf;
#ifdef HAVE_OPENSSL
int outlen, tmplen;
#if OPENSSL_VERSION_NUMBER >= 0x10100000
EVP_CIPHER_CTX *ctx;
#else
EVP_CIPHER_CTX ctx;
#endif
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
switch_uuid_t uuid;
@ -309,6 +313,19 @@ static void event_handler(switch_event_t *event)
if (globals.psk) {
switch_copy_string(buf, uuid_str, SWITCH_UUID_FORMATTED_LENGTH);
#if OPENSSL_VERSION_NUMBER >= 0x10100000
ctx = EVP_CIPHER_CTX_new();
EVP_EncryptInit(ctx, EVP_bf_cbc(), NULL, NULL);
EVP_CIPHER_CTX_set_key_length(ctx, strlen(globals.psk));
EVP_EncryptInit(ctx, NULL, (unsigned char *) globals.psk, (unsigned char *) uuid_str);
EVP_EncryptUpdate(ctx, (unsigned char *) buf + SWITCH_UUID_FORMATTED_LENGTH,
&outlen, (unsigned char *) packet, (int) strlen(packet));
EVP_EncryptUpdate(ctx, (unsigned char *) buf + SWITCH_UUID_FORMATTED_LENGTH + outlen,
&tmplen, (unsigned char *) MAGIC, (int) strlen((char *) MAGIC));
outlen += tmplen;
EVP_EncryptFinal(ctx, (unsigned char *) buf + SWITCH_UUID_FORMATTED_LENGTH + outlen, &tmplen);
EVP_CIPHER_CTX_cleanup(ctx);
#else
EVP_CIPHER_CTX_init(&ctx);
EVP_EncryptInit(&ctx, EVP_bf_cbc(), NULL, NULL);
EVP_CIPHER_CTX_set_key_length(&ctx, strlen(globals.psk));
@ -320,6 +337,7 @@ static void event_handler(switch_event_t *event)
outlen += tmplen;
EVP_EncryptFinal(&ctx, (unsigned char *) buf + SWITCH_UUID_FORMATTED_LENGTH + outlen, &tmplen);
EVP_CIPHER_CTX_cleanup(&ctx);
#endif
outlen += tmplen;
len = (size_t) outlen + SWITCH_UUID_FORMATTED_LENGTH;
*(buf + SWITCH_UUID_FORMATTED_LENGTH + outlen) = '\0';
@ -530,7 +548,11 @@ SWITCH_MODULE_RUNTIME_FUNCTION(mod_event_multicast_runtime)
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
char *tmp;
int outl, tmplen;
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
EVP_CIPHER_CTX *ctx;
#else
EVP_CIPHER_CTX ctx;
#endif
len -= SWITCH_UUID_FORMATTED_LENGTH;
@ -541,6 +563,15 @@ SWITCH_MODULE_RUNTIME_FUNCTION(mod_event_multicast_runtime)
switch_copy_string(uuid_str, packet, SWITCH_UUID_FORMATTED_LENGTH);
packet += SWITCH_UUID_FORMATTED_LENGTH;
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
ctx = EVP_CIPHER_CTX_new();
EVP_DecryptInit(ctx, EVP_bf_cbc(), NULL, NULL);
EVP_CIPHER_CTX_set_key_length(ctx, strlen(globals.psk));
EVP_DecryptInit(ctx, NULL, (unsigned char *) globals.psk, (unsigned char *) uuid_str);
EVP_DecryptUpdate(ctx, (unsigned char *) tmp, &outl, (unsigned char *) packet, (int) len);
EVP_DecryptFinal(ctx, (unsigned char *) tmp + outl, &tmplen);
EVP_CIPHER_CTX_cleanup(ctx);
#else
EVP_CIPHER_CTX_init(&ctx);
EVP_DecryptInit(&ctx, EVP_bf_cbc(), NULL, NULL);
EVP_CIPHER_CTX_set_key_length(&ctx, strlen(globals.psk));
@ -548,6 +579,8 @@ SWITCH_MODULE_RUNTIME_FUNCTION(mod_event_multicast_runtime)
EVP_DecryptUpdate(&ctx, (unsigned char *) tmp, &outl, (unsigned char *) packet, (int) len);
EVP_DecryptFinal(&ctx, (unsigned char *) tmp + outl, &tmplen);
EVP_CIPHER_CTX_cleanup(&ctx);
#endif
*(tmp + outl + tmplen) = '\0';
/*switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "decrypted event as %s\n----------\n of actual length %d (%d) %d\n", tmp, outl + tmplen, (int) len, (int) strlen(tmp)); */