cups/SOURCES/cups-fips-restrict-md5.patch
2022-05-17 15:24:38 +00:00

125 lines
3.6 KiB
Diff

diff --git a/cups/http-support.c b/cups/http-support.c
index a4bc079..9ee2309 100644
--- a/cups/http-support.c
+++ b/cups/http-support.c
@@ -1430,6 +1430,12 @@ _httpSetDigestAuthString(
* Use old RFC 2069 Digest method...
*/
+ if (cg->digestoptions == _CUPS_DIGESTOPTIONS_DENYMD5)
+ {
+ DEBUG_puts("3_httpSetDigestAuthString: MD5 Digest is disabled.");
+ return (0);
+ }
+
/* H(A1) = H(username:realm:password) */
snprintf(temp, sizeof(temp), "%s:%s:%s", username, http->realm, password);
hashsize = (size_t)cupsHashData("md5", (unsigned char *)temp, strlen(temp), hash, sizeof(hash));
diff --git a/cups/md5passwd.c b/cups/md5passwd.c
index 9af5de2..5c9a64e 100644
--- a/cups/md5passwd.c
+++ b/cups/md5passwd.c
@@ -19,6 +19,9 @@
/*
* 'httpMD5()' - Compute the MD5 sum of the username:group:password.
*
+ * The function was used for HTTP Digest authentication. Since CUPS 2.4.0
+ * it produces an empty string. Please use @link cupsDoAuthentication@ instead.
+ *
* @deprecated@
*/
@@ -28,22 +31,13 @@ httpMD5(const char *username, /* I - User name */
const char *passwd, /* I - Password string */
char md5[33]) /* O - MD5 string */
{
- unsigned char sum[16]; /* Sum data */
- char line[256]; /* Line to sum */
-
-
- /*
- * Compute the MD5 sum of the user name, group name, and password.
- */
+ (void)username;
+ (void)realm;
+ (void)passwd;
- snprintf(line, sizeof(line), "%s:%s:%s", username, realm, passwd);
- cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
+ md5[0] = '\0';
- /*
- * Return the sum...
- */
-
- return ((char *)cupsHashString(sum, sizeof(sum), md5, 33));
+ return (NULL);
}
@@ -52,6 +46,9 @@ httpMD5(const char *username, /* I - User name */
* with the server-supplied nonce value, method, and
* request-uri.
*
+ * The function was used for HTTP Digest authentication. Since CUPS 2.4.0
+ * it produces an empty string. Please use @link cupsDoAuthentication@ instead.
+ *
* @deprecated@
*/
@@ -61,35 +58,22 @@ httpMD5Final(const char *nonce, /* I - Server nonce value */
const char *resource, /* I - Resource path */
char md5[33]) /* IO - MD5 sum */
{
- unsigned char sum[16]; /* Sum data */
- char line[1024]; /* Line of data */
- char a2[33]; /* Hash of method and resource */
-
+ (void)nonce;
+ (void)method;
+ (void)resource;
- /*
- * First compute the MD5 sum of the method and resource...
- */
+ md5[0] = '\0';
- snprintf(line, sizeof(line), "%s:%s", method, resource);
- cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
- cupsHashString(sum, sizeof(sum), a2, sizeof(a2));
-
- /*
- * Then combine A1 (MD5 of username, realm, and password) with the nonce
- * and A2 (method + resource) values to get the final MD5 sum for the
- * request...
- */
-
- snprintf(line, sizeof(line), "%s:%s:%s", md5, nonce, a2);
- cupsHashData("md5", (unsigned char *)line, strlen(line), sum, sizeof(sum));
-
- return ((char *)cupsHashString(sum, sizeof(sum), md5, 33));
+ return (NULL);
}
/*
* 'httpMD5String()' - Convert an MD5 sum to a character string.
*
+ * The function was used for HTTP Digest authentication. Since CUPS 2.4.0
+ * it produces an empty string. Please use @link cupsDoAuthentication@ instead.
+ *
* @deprecated@
*/
@@ -98,5 +82,9 @@ httpMD5String(const unsigned char *sum, /* I - MD5 sum data */
char md5[33])
/* O - MD5 sum in hex */
{
- return ((char *)cupsHashString(sum, 16, md5, 33));
+ (void)sum;
+
+ md5[0] = '\0';
+
+ return (NULL);
}