diff options
Diffstat (limited to 'xorg-server/os/mitauth.c')
-rw-r--r-- | xorg-server/os/mitauth.c | 394 |
1 files changed, 197 insertions, 197 deletions
diff --git a/xorg-server/os/mitauth.c b/xorg-server/os/mitauth.c index a7968cbd7..5baf552bc 100644 --- a/xorg-server/os/mitauth.c +++ b/xorg-server/os/mitauth.c @@ -1,197 +1,197 @@ -/* - -Copyright 1988, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR -OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from The Open Group. - -*/ - -/* - * MIT-MAGIC-COOKIE-1 authorization scheme - * Author: Keith Packard, MIT X Consortium - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include "os.h" -#include "osdep.h" -#include "dixstruct.h" - -static struct auth { - struct auth *next; - unsigned short len; - char *data; - XID id; -} *mit_auth; - -int -MitAddCookie ( - unsigned short data_length, - char *data, - XID id) -{ - struct auth *new; - - new = xalloc (sizeof (struct auth)); - if (!new) - return 0; - new->data = xalloc ((unsigned) data_length); - if (!new->data) { - xfree(new); - return 0; - } - new->next = mit_auth; - mit_auth = new; - memmove(new->data, data, (int) data_length); - new->len = data_length; - new->id = id; - return 1; -} - -XID -MitCheckCookie ( - unsigned short data_length, - char *data, - ClientPtr client, - char **reason) -{ - struct auth *auth; - - for (auth = mit_auth; auth; auth=auth->next) { - if (data_length == auth->len && - memcmp (data, auth->data, (int) data_length) == 0) - return auth->id; - } - *reason = "Invalid MIT-MAGIC-COOKIE-1 key"; - return (XID) -1; -} - -int -MitResetCookie (void) -{ - struct auth *auth, *next; - - for (auth = mit_auth; auth; auth=next) { - next = auth->next; - xfree (auth->data); - xfree (auth); - } - mit_auth = 0; - return 0; -} - -XID -MitToID ( - unsigned short data_length, - char *data) -{ - struct auth *auth; - - for (auth = mit_auth; auth; auth=auth->next) { - if (data_length == auth->len && - memcmp (data, auth->data, data_length) == 0) - return auth->id; - } - return (XID) -1; -} - -int -MitFromID ( - XID id, - unsigned short *data_lenp, - char **datap) -{ - struct auth *auth; - - for (auth = mit_auth; auth; auth=auth->next) { - if (id == auth->id) { - *data_lenp = auth->len; - *datap = auth->data; - return 1; - } - } - return 0; -} - -int -MitRemoveCookie ( - unsigned short data_length, - char *data) -{ - struct auth *auth, *prev; - - prev = 0; - for (auth = mit_auth; auth; prev = auth, auth=auth->next) { - if (data_length == auth->len && - memcmp (data, auth->data, data_length) == 0) - { - if (prev) - prev->next = auth->next; - else - mit_auth = auth->next; - xfree (auth->data); - xfree (auth); - return 1; - } - } - return 0; -} - -#ifdef XCSECURITY - -static char cookie[16]; /* 128 bits */ - -XID -MitGenerateCookie ( - unsigned data_length, - char *data, - XID id, - unsigned *data_length_return, - char **data_return) -{ - int i = 0; - int status; - - while (data_length--) - { - cookie[i++] += *data++; - if (i >= sizeof (cookie)) i = 0; - } - GenerateRandomData(sizeof (cookie), cookie); - status = MitAddCookie(sizeof (cookie), cookie, id); - if (!status) - { - id = -1; - } - else - { - *data_return = cookie; - *data_length_return = sizeof (cookie); - } - return id; -} - -#endif /* XCSECURITY */ +/*
+
+Copyright 1988, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+*/
+
+/*
+ * MIT-MAGIC-COOKIE-1 authorization scheme
+ * Author: Keith Packard, MIT X Consortium
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include "os.h"
+#include "osdep.h"
+#include "dixstruct.h"
+
+static struct auth {
+ struct auth *next;
+ unsigned short len;
+ char *data;
+ XID id;
+} *mit_auth;
+
+int
+MitAddCookie (
+ unsigned short data_length,
+ const char *data,
+ XID id)
+{
+ struct auth *new;
+
+ new = xalloc (sizeof (struct auth));
+ if (!new)
+ return 0;
+ new->data = xalloc ((unsigned) data_length);
+ if (!new->data) {
+ xfree(new);
+ return 0;
+ }
+ new->next = mit_auth;
+ mit_auth = new;
+ memmove(new->data, data, (int) data_length);
+ new->len = data_length;
+ new->id = id;
+ return 1;
+}
+
+XID
+MitCheckCookie (
+ unsigned short data_length,
+ const char *data,
+ ClientPtr client,
+ char **reason)
+{
+ struct auth *auth;
+
+ for (auth = mit_auth; auth; auth=auth->next) {
+ if (data_length == auth->len &&
+ memcmp (data, auth->data, (int) data_length) == 0)
+ return auth->id;
+ }
+ *reason = "Invalid MIT-MAGIC-COOKIE-1 key";
+ return (XID) -1;
+}
+
+int
+MitResetCookie (void)
+{
+ struct auth *auth, *next;
+
+ for (auth = mit_auth; auth; auth=next) {
+ next = auth->next;
+ xfree (auth->data);
+ xfree (auth);
+ }
+ mit_auth = 0;
+ return 0;
+}
+
+XID
+MitToID (
+ unsigned short data_length,
+ char *data)
+{
+ struct auth *auth;
+
+ for (auth = mit_auth; auth; auth=auth->next) {
+ if (data_length == auth->len &&
+ memcmp (data, auth->data, data_length) == 0)
+ return auth->id;
+ }
+ return (XID) -1;
+}
+
+int
+MitFromID (
+ XID id,
+ unsigned short *data_lenp,
+ char **datap)
+{
+ struct auth *auth;
+
+ for (auth = mit_auth; auth; auth=auth->next) {
+ if (id == auth->id) {
+ *data_lenp = auth->len;
+ *datap = auth->data;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+int
+MitRemoveCookie (
+ unsigned short data_length,
+ const char *data)
+{
+ struct auth *auth, *prev;
+
+ prev = 0;
+ for (auth = mit_auth; auth; prev = auth, auth=auth->next) {
+ if (data_length == auth->len &&
+ memcmp (data, auth->data, data_length) == 0)
+ {
+ if (prev)
+ prev->next = auth->next;
+ else
+ mit_auth = auth->next;
+ xfree (auth->data);
+ xfree (auth);
+ return 1;
+ }
+ }
+ return 0;
+}
+
+#ifdef XCSECURITY
+
+static char cookie[16]; /* 128 bits */
+
+XID
+MitGenerateCookie (
+ unsigned data_length,
+ const char *data,
+ XID id,
+ unsigned *data_length_return,
+ char **data_return)
+{
+ int i = 0;
+ int status;
+
+ while (data_length--)
+ {
+ cookie[i++] += *data++;
+ if (i >= sizeof (cookie)) i = 0;
+ }
+ GenerateRandomData(sizeof (cookie), cookie);
+ status = MitAddCookie(sizeof (cookie), cookie, id);
+ if (!status)
+ {
+ id = -1;
+ }
+ else
+ {
+ *data_return = cookie;
+ *data_length_return = sizeof (cookie);
+ }
+ return id;
+}
+
+#endif /* XCSECURITY */
|