moparisthebest/curl
1
0
Fork 0
mirror of https://github.com/moparisthebest/curl synced 2024-12-21 23:58:49 -05:00
Code Issues Releases Wiki Activity

sasl: Updated create_digest_md5_message() to use a dynamic buffer

Browse Source
This commit is contained in:
Steve Holme 2013-10-27 22:53:07 +00:00
parent 8005e58983
commit 1d0eead969
1 changed files with 17 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
lib/curl_sasl.c
View File

@ -246,7 +246,7 @@ CURLcode Curl_sasl_create_cram_md5_message(struct SessionHandle *data,
/* Finalise the digest */
Curl_HMAC_final(ctxt, digest);
/* Prepare the response */
/* Generate the response */
response = aprintf(
"%s %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
userp, digest[0], digest[1], digest[2], digest[3], digest[4],
@ -255,7 +255,7 @@ CURLcode Curl_sasl_create_cram_md5_message(struct SessionHandle *data,
if(!response)
return CURLE_OUT_OF_MEMORY;
/* Base64 encode the reply */
/* Base64 encode the response */
result = Curl_base64_encode(data, response, 0, outptr, outlen);
Curl_safefree(response);
@ -354,8 +354,10 @@ CURLcode Curl_sasl_create_digest_md5_message(struct SessionHandle *data,
#ifndef DEBUGBUILD
static const char table16[] = "0123456789abcdef";
#endif
CURLcode result = CURLE_OK;
size_t i;
MD5_context *ctxt;
char *response = NULL;
unsigned char digest[MD5_DIGEST_LEN];
char HA1_hex[2 * MD5_DIGEST_LEN + 1];
char HA2_hex[2 * MD5_DIGEST_LEN + 1];
@ -366,7 +368,6 @@ CURLcode Curl_sasl_create_digest_md5_message(struct SessionHandle *data,
char method[] = "AUTHENTICATE";
char qop[] = "auth";
char uri[128];
char response[512];
#ifndef DEBUGBUILD
/* Generate 64 bits of random data */
@ -451,14 +452,20 @@ CURLcode Curl_sasl_create_digest_md5_message(struct SessionHandle *data,
for(i = 0; i < MD5_DIGEST_LEN; i++)
snprintf(&resp_hash_hex[2 * i], 3, "%02x", digest[i]);
snprintf(response, sizeof(response),
"username=\"%s\",realm=\"%s\",nonce=\"%s\","
"cnonce=\"%s\",nc=\"%s\",digest-uri=\"%s\",response=%s",
userp, realm, nonce,
cnonce, nonceCount, uri, resp_hash_hex);
/* Generate the response */
response = aprintf("username=\"%s\",realm=\"%s\",nonce=\"%s\","
"cnonce=\"%s\",nc=\"%s\",digest-uri=\"%s\",response=%s",
userp, realm, nonce,
cnonce, nonceCount, uri, resp_hash_hex);
if(!response)
return CURLE_OUT_OF_MEMORY;
/* Base64 encode the reply */
return Curl_base64_encode(data, response, 0, outptr, outlen);
/* Base64 encode the response */
result = Curl_base64_encode(data, response, 0, outptr, outlen);
Curl_safefree(response);
return result;
}
#endif