X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_auth.c;h=46c85fd70e1ecafc4610ff7f452525c30ab2311e;hb=e6132aff2fdcd0ab1ef5d7ac84a3c597dc07d370;hp=9f2cb5a5dd18f2f99dfccaefd6dad3446cbd9383;hpb=47ceed78612d48dcda62cc2686fc527d61abe38b;p=free-sw%2Fxcb%2Flibxcb

diff --git a/src/xcb_auth.c b/src/xcb_auth.c
index 9f2cb5a..46c85fd 100644
--- a/src/xcb_auth.c
+++ b/src/xcb_auth.c
@@ -34,15 +34,23 @@
 #include <unistd.h>
 #include <stdlib.h>
 
-#include "xcb.h"
-#include "xcbint.h"
+/* FIXME: for the moment Xdmcp.h must be included before xcb.h because
+ * it includes Xmd.h, but config.h (normally included from xcbint.h
+ * which must be included after xcb.h) must be included before Xdmcp.h.
+ * Ow. */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 
-#ifdef HAS_AUTH_XA1
-#include "xcb_des.h"
+#ifdef HASXDMAUTH
+#include <X11/Xdmcp.h>
 #endif
 
+#include "xcb.h"
+#include "xcbint.h"
+
 enum auth_protos {
-#ifdef HAS_AUTH_XA1
+#ifdef HASXDMAUTH
     AUTH_XA1,
 #endif
     AUTH_MC1,
@@ -50,75 +58,12 @@ enum auth_protos {
 };
 
 static char *authnames[N_AUTH_PROTOS] = {
-#ifdef HAS_AUTH_XA1
+#ifdef HASXDMAUTH
     "XDM-AUTHORIZATION-1",
 #endif
     "MIT-MAGIC-COOKIE-1",
 };
 
-#ifdef HAS_AUTH_XA1
-
-static int next_nonce(void)
-{
-    static int nonce = 0;
-    static pthread_mutex_t nonce_mutex = PTHREAD_MUTEX_INITIALIZER;
-    int ret;
-    pthread_mutex_lock(&nonce_mutex);
-    ret = nonce++;
-    pthread_mutex_unlock(&nonce_mutex);
-    return ret;
-}
-
-/*
- * This code and the code it calls is taken from libXdmcp,
- * specifically from Wrap.c, Wrap.h, and Wraphelp.c.  The US
- * has changed, thank goodness, and it should be OK to bury
- * DES code in an open source product without a maze of
- * twisty wrapper functions stored offshore.  Or maybe
- * not. --Bart Massey 2003/11/5
- */
-
-static void
-Wrap (
-    des_cblock	        input,
-    des_cblock          key,
-    des_cblock          output,
-    int			bytes)
-{
-    int			i, j;
-    int			len;
-    des_cblock          tmp;
-    des_cblock          expand_key;
-    des_key_schedule	schedule;
-
-    XCBDESKeyToOddParity (key, expand_key);
-    XCBDESKeySchedule (expand_key, schedule);
-    for (j = 0; j < bytes; j += 8)
-    {
-	len = 8;
-	if (bytes - j < len)
-	    len = bytes - j;
-	/* block chaining */
-	for (i = 0; i < len; i++)
-	{
-	    if (j == 0)
-		tmp[i] = input[i];
-	    else
-		tmp[i] = input[j + i] ^ output[j - 8 + i];
-	}
-	for (; i < 8; i++)
-	{
-	    if (j == 0)
-		tmp[i] = 0;
-	    else
-		tmp[i] = 0 ^ output[j - 8 + i];
-	}
-	XCBDESEncrypt (tmp, (output + j), schedule, 1);
-    }
-}
-
-#endif
-
 static size_t memdup(char **dst, void *src, size_t len)
 {
     if(len)
@@ -160,7 +105,7 @@ static Xauth *get_authptr(struct sockaddr *sockname, unsigned int socknamelen)
 	     addr = (char *) &si->sin_addr;
 	     addrlen = 4;
 	     if (ntohl(si->sin_addr.s_addr) != 0x7f000001)
-		 family = FamilyInternet; /* 0 */
+		 family = XCBFamilyInternet;
 	     snprintf(dispbuf, sizeof(dispbuf), "%d", ntohs(si->sin_port) - X_TCP_PORT);
 	     display = dispbuf;
         }
@@ -168,7 +113,9 @@ static Xauth *get_authptr(struct sockaddr *sockname, unsigned int socknamelen)
     case AF_UNIX:
 	/*block*/ { 
 	    struct sockaddr_un *su = (struct sockaddr_un *) sockname;
+	    char *sockbuf = (char *) sockname;
 	    assert(sizeof(*su) >= socknamelen);
+	    sockbuf[socknamelen] = 0;	/* null-terminate path */
 	    display = strrchr(su->sun_path, 'X');
 	    if (display == 0)
 		return 0;   /* sockname is mangled somehow */
@@ -193,7 +140,18 @@ static Xauth *get_authptr(struct sockaddr *sockname, unsigned int socknamelen)
                                  N_AUTH_PROTOS, authnames, authnamelens);
 }
 
-#ifdef HAS_AUTH_XA1
+#ifdef HASXDMAUTH
+static int next_nonce(void)
+{
+    static int nonce = 0;
+    static pthread_mutex_t nonce_mutex = PTHREAD_MUTEX_INITIALIZER;
+    int ret;
+    pthread_mutex_lock(&nonce_mutex);
+    ret = nonce++;
+    pthread_mutex_unlock(&nonce_mutex);
+    return ret;
+}
+
 static void do_append(char *buf, int *idxp, void *val, size_t valsize) {
     memcpy(buf + *idxp, val, valsize);
     *idxp += valsize;
@@ -208,8 +166,8 @@ static int compute_auth(XCBAuthInfo *info, Xauth *authptr, struct sockaddr *sock
             return 0;
         return 1;
     }
-#ifdef HAS_AUTH_XA1
-#define APPEND(buf,idx,val) do_append((buf),&(idx),(val),sizeof(val))
+#ifdef HASXDMAUTH
+#define APPEND(buf,idx,val) do_append((buf),&(idx),&(val),sizeof(val))
     if (authname_match(AUTH_XA1, authptr->name, authptr->name_length)) {
 	int j;
 
@@ -249,7 +207,7 @@ static int compute_auth(XCBAuthInfo *info, Xauth *authptr, struct sockaddr *sock
 	while (j < 192 / 8)
 	    info->data[j++] = 0;
 	info->datalen = j;
-	Wrap (info->data, authptr->data + 8, info->data, info->datalen);
+	XdmcpWrap ((unsigned char *) info->data, (unsigned char *) authptr->data + 8, (unsigned char *) info->data, info->datalen);
 	return 1;
     }
 #undef APPEND
@@ -258,7 +216,7 @@ static int compute_auth(XCBAuthInfo *info, Xauth *authptr, struct sockaddr *sock
     return 0;   /* Unknown authorization type */
 }
 
-int XCBGetAuthInfo(int fd, XCBAuthInfo *info)
+int _xcb_get_auth_info(int fd, XCBAuthInfo *info)
 {
     /* code adapted from Xlib/ConnDis.c, xtrans/Xtranssocket.c,
        xtrans/Xtransutils.c */