kenmirrors/freeswitch
1
0
Fork 0
mirror of https://github.com/signalwire/freeswitch.git synced 2025-08-14 01:49:05 +00:00
Code Issues Projects Releases Wiki Activity

[Core] Add switch_digest(), switch_digest_string() APIs. Add unit-tests.

Browse Source
This commit is contained in:
Andrey Volk
2021-04-09 00:55:52 +03:00
parent ec1a0215fe
commit fd27504a7d
5 changed files with 143 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

87
src/switch_utils.c
View File

@@ -51,6 +51,10 @@
#include "gumbo.h"
#endif
#if defined(HAVE_OPENSSL)
#include <openssl/evp.h>
#endif
struct switch_network_node {
ip_t ip;
ip_t mask;
@@ -4549,6 +4553,89 @@ SWITCH_DECLARE(unsigned long) switch_getpid(void)
return (unsigned long)pid;
}
SWITCH_DECLARE(switch_status_t) switch_digest(const char *digest_name, unsigned char **digest, const void *input, switch_size_t inputLen, unsigned int *outputlen)
{
#if defined(HAVE_OPENSSL)
EVP_MD_CTX *mdctx;
const EVP_MD *md;
int size;
switch_assert(digest);
if (!digest_name) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Message digest is not set\n");
return SWITCH_STATUS_FALSE;
}
md = EVP_get_digestbyname(digest_name);
if (!md) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unknown message digest %s\n", digest_name);
return SWITCH_STATUS_FALSE;
}
size = EVP_MD_size(md);
if (!size || !(*digest = malloc(size))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Zero digest size or can't allocate memory to store results %s\n", digest_name);
return SWITCH_STATUS_FALSE;
}
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
mdctx = EVP_MD_CTX_new();
#else
mdctx = EVP_MD_CTX_create();
#endif
if (!mdctx) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "EVP_MD_CTX_new error\n");
switch_safe_free(*digest);
return SWITCH_STATUS_FALSE;
}
EVP_MD_CTX_init(mdctx);
EVP_DigestInit_ex(mdctx, md, NULL);
EVP_DigestUpdate(mdctx, input, inputLen);
EVP_DigestFinal_ex(mdctx, *digest, outputlen);
#if OPENSSL_VERSION_NUMBER >= 0x10100000L
EVP_MD_CTX_free(mdctx);
#else
EVP_MD_CTX_destroy(mdctx);
#endif
return SWITCH_STATUS_SUCCESS;
#else
return SWITCH_STATUS_FALSE;
#endif
}
SWITCH_DECLARE(switch_status_t) switch_digest_string(const char *digest_name, char **digest_str, const void *input, switch_size_t inputLen, unsigned int *outputlen)
{
unsigned char *digest = NULL;
switch_status_t status;
short i = 0, x;
uint8_t b;
status = switch_digest(digest_name, &digest, input, inputLen, outputlen);
if (status == SWITCH_STATUS_SUCCESS) {
if ((*digest_str = malloc(*outputlen * 2 + 1))) {
for (x = i = 0; x < *outputlen; x++) {
b = (digest[x] >> 4) & 15;
(*digest_str)[i++] = b + (b > 9 ? 'a' - 10 : '0');
b = digest[x] & 15;
(*digest_str)[i++] = b + (b > 9 ? 'a' - 10 : '0');
}
(*digest_str)[i] = '\0';
}
}
switch_safe_free(digest);
*outputlen = i;
return status;
}
/* For Emacs:
* Local Variables: