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-rw-r--r--xorg-server/os/auth.c323
1 files changed, 154 insertions, 169 deletions
diff --git a/xorg-server/os/auth.c b/xorg-server/os/auth.c
index 12a44b4d6..b95786bee 100644
--- a/xorg-server/os/auth.c
+++ b/xorg-server/os/auth.c
@@ -35,60 +35,60 @@ from The Open Group.
#include <dix-config.h>
#endif
-# include <X11/X.h>
-# include <X11/Xauth.h>
-# include "misc.h"
-# include "osdep.h"
-# include "dixstruct.h"
-# include <sys/types.h>
-# include <sys/stat.h>
+#include <X11/X.h>
+#include <X11/Xauth.h>
+#include "misc.h"
+#include "osdep.h"
+#include "dixstruct.h"
+#include <sys/types.h>
+#include <sys/stat.h>
#ifdef WIN32
#include <X11/Xw32defs.h>
#endif
struct protocol {
- unsigned short name_length;
- const char *name;
- AuthAddCFunc Add; /* new authorization data */
- AuthCheckFunc Check; /* verify client authorization data */
- AuthRstCFunc Reset; /* delete all authorization data entries */
- AuthToIDFunc ToID; /* convert cookie to ID */
- AuthFromIDFunc FromID; /* convert ID to cookie */
- AuthRemCFunc Remove; /* remove a specific cookie */
+ unsigned short name_length;
+ const char *name;
+ AuthAddCFunc Add; /* new authorization data */
+ AuthCheckFunc Check; /* verify client authorization data */
+ AuthRstCFunc Reset; /* delete all authorization data entries */
+ AuthToIDFunc ToID; /* convert cookie to ID */
+ AuthFromIDFunc FromID; /* convert ID to cookie */
+ AuthRemCFunc Remove; /* remove a specific cookie */
#ifdef XCSECURITY
- AuthGenCFunc Generate;
+ AuthGenCFunc Generate;
#endif
};
-static struct protocol protocols[] = {
-{ (unsigned short) 18, "MIT-MAGIC-COOKIE-1",
- MitAddCookie, MitCheckCookie, MitResetCookie,
- MitToID, MitFromID, MitRemoveCookie,
+static struct protocol protocols[] = {
+ {(unsigned short) 18, "MIT-MAGIC-COOKIE-1",
+ MitAddCookie, MitCheckCookie, MitResetCookie,
+ MitToID, MitFromID, MitRemoveCookie,
#ifdef XCSECURITY
- MitGenerateCookie
+ MitGenerateCookie
#endif
-},
+ },
#ifdef HASXDMAUTH
-{ (unsigned short) 19, "XDM-AUTHORIZATION-1",
- XdmAddCookie, XdmCheckCookie, XdmResetCookie,
- XdmToID, XdmFromID, XdmRemoveCookie,
+ {(unsigned short) 19, "XDM-AUTHORIZATION-1",
+ XdmAddCookie, XdmCheckCookie, XdmResetCookie,
+ XdmToID, XdmFromID, XdmRemoveCookie,
#ifdef XCSECURITY
- NULL
+ NULL
#endif
-},
+ },
#endif
#ifdef SECURE_RPC
-{ (unsigned short) 9, "SUN-DES-1",
- SecureRPCAdd, SecureRPCCheck, SecureRPCReset,
- SecureRPCToID, SecureRPCFromID,SecureRPCRemove,
+ {(unsigned short) 9, "SUN-DES-1",
+ SecureRPCAdd, SecureRPCCheck, SecureRPCReset,
+ SecureRPCToID, SecureRPCFromID, SecureRPCRemove,
#ifdef XCSECURITY
- NULL
+ NULL
#endif
-},
+ },
#endif
};
-# define NUM_AUTHORIZATION (sizeof (protocols) /\
+#define NUM_AUTHORIZATION (sizeof (protocols) /\
sizeof (struct protocol))
/*
@@ -96,47 +96,46 @@ static struct protocol protocols[] = {
* specified authorization file
*/
-static char *authorization_file = (char *)NULL;
+static char *authorization_file = (char *) NULL;
static Bool ShouldLoadAuth = TRUE;
void
-InitAuthorization (char *file_name)
+InitAuthorization(char *file_name)
{
authorization_file = file_name;
}
static int
-LoadAuthorization (void)
+LoadAuthorization(void)
{
- FILE *f;
- Xauth *auth;
- int i;
- int count = 0;
+ FILE *f;
+ Xauth *auth;
+ int i;
+ int count = 0;
ShouldLoadAuth = FALSE;
if (!authorization_file)
- return 0;
+ return 0;
- f = Fopen (authorization_file, "r");
+ f = Fopen(authorization_file, "r");
if (!f)
- return -1;
-
- while ((auth = XauReadAuth (f)) != 0) {
- for (i = 0; i < NUM_AUTHORIZATION; i++) {
- if (protocols[i].name_length == auth->name_length &&
- memcmp (protocols[i].name, auth->name, (int) auth->name_length) == 0 &&
- protocols[i].Add)
- {
- ++count;
- (*protocols[i].Add) (auth->data_length, auth->data,
- FakeClientID(0));
- }
- }
- XauDisposeAuth (auth);
+ return -1;
+
+ while ((auth = XauReadAuth(f)) != 0) {
+ for (i = 0; i < NUM_AUTHORIZATION; i++) {
+ if (protocols[i].name_length == auth->name_length &&
+ memcmp(protocols[i].name, auth->name,
+ (int) auth->name_length) == 0 && protocols[i].Add) {
+ ++count;
+ (*protocols[i].Add) (auth->data_length, auth->data,
+ FakeClientID(0));
+ }
+ }
+ XauDisposeAuth(auth);
}
- Fclose (f);
+ Fclose(f);
return count;
}
@@ -146,146 +145,134 @@ LoadAuthorization (void)
* schemes supported by the display
*/
void
-RegisterAuthorizations (void)
+RegisterAuthorizations(void)
{
- int i;
+ int i;
for (i = 0; i < NUM_AUTHORIZATION; i++)
- XdmcpRegisterAuthorization (protocols[i].name,
- (int)protocols[i].name_length);
+ XdmcpRegisterAuthorization(protocols[i].name,
+ (int) protocols[i].name_length);
}
#endif
XID
-CheckAuthorization (
- unsigned int name_length,
- const char *name,
- unsigned int data_length,
- const char *data,
- ClientPtr client,
- const char **reason) /* failure message. NULL for default msg */
-{
- int i;
+CheckAuthorization(unsigned int name_length,
+ const char *name,
+ unsigned int data_length,
+ const char *data, ClientPtr client, const char **reason)
+{ /* failure message. NULL for default msg */
+ int i;
struct stat buf;
static time_t lastmod = 0;
static Bool loaded = FALSE;
- if (!authorization_file || stat(authorization_file, &buf))
- {
- if (lastmod != 0) {
- lastmod = 0;
- ShouldLoadAuth = TRUE; /* stat lost, so force reload */
- }
+ if (!authorization_file || stat(authorization_file, &buf)) {
+ if (lastmod != 0) {
+ lastmod = 0;
+ ShouldLoadAuth = TRUE; /* stat lost, so force reload */
+ }
}
- else if (buf.st_mtime > lastmod)
- {
- lastmod = buf.st_mtime;
- ShouldLoadAuth = TRUE;
+ else if (buf.st_mtime > lastmod) {
+ lastmod = buf.st_mtime;
+ ShouldLoadAuth = TRUE;
}
- if (ShouldLoadAuth)
- {
- int loadauth = LoadAuthorization();
-
- /*
- * If the authorization file has at least one entry for this server,
- * disable local host access. (loadauth > 0)
- *
- * If there are zero entries (either initially or when the
- * authorization file is later reloaded), or if a valid
- * authorization file was never loaded, enable local host access.
- * (loadauth == 0 || !loaded)
- *
- * If the authorization file was loaded initially (with valid
- * entries for this server), and reloading it later fails, don't
- * change anything. (loadauth == -1 && loaded)
- */
-
- if (loadauth > 0)
- {
- DisableLocalHost(); /* got at least one */
- loaded = TRUE;
- }
- else if (loadauth == 0 || !loaded)
- EnableLocalHost ();
+ if (ShouldLoadAuth) {
+ int loadauth = LoadAuthorization();
+
+ /*
+ * If the authorization file has at least one entry for this server,
+ * disable local host access. (loadauth > 0)
+ *
+ * If there are zero entries (either initially or when the
+ * authorization file is later reloaded), or if a valid
+ * authorization file was never loaded, enable local host access.
+ * (loadauth == 0 || !loaded)
+ *
+ * If the authorization file was loaded initially (with valid
+ * entries for this server), and reloading it later fails, don't
+ * change anything. (loadauth == -1 && loaded)
+ */
+
+ if (loadauth > 0) {
+ DisableLocalHost(); /* got at least one */
+ loaded = TRUE;
+ }
+ else if (loadauth == 0 || !loaded)
+ EnableLocalHost();
}
if (name_length) {
- for (i = 0; i < NUM_AUTHORIZATION; i++) {
- if (protocols[i].name_length == name_length &&
- memcmp (protocols[i].name, name, (int) name_length) == 0)
- {
- return (*protocols[i].Check) (data_length, data, client, reason);
- }
- *reason = "Protocol not supported by server\n";
- }
- } else *reason = "No protocol specified\n";
+ for (i = 0; i < NUM_AUTHORIZATION; i++) {
+ if (protocols[i].name_length == name_length &&
+ memcmp(protocols[i].name, name, (int) name_length) == 0) {
+ return (*protocols[i].Check) (data_length, data, client,
+ reason);
+ }
+ *reason = "Protocol not supported by server\n";
+ }
+ }
+ else
+ *reason = "No protocol specified\n";
return (XID) ~0L;
}
void
-ResetAuthorization (void)
+ResetAuthorization(void)
{
- int i;
+ int i;
for (i = 0; i < NUM_AUTHORIZATION; i++)
- if (protocols[i].Reset)
- (*protocols[i].Reset)();
+ if (protocols[i].Reset)
+ (*protocols[i].Reset) ();
ShouldLoadAuth = TRUE;
}
int
-AuthorizationFromID (
- XID id,
- unsigned short *name_lenp,
- const char **namep,
- unsigned short *data_lenp,
- char **datap)
+AuthorizationFromID(XID id,
+ unsigned short *name_lenp,
+ const char **namep, unsigned short *data_lenp, char **datap)
{
- int i;
+ int i;
for (i = 0; i < NUM_AUTHORIZATION; i++) {
- if (protocols[i].FromID &&
- (*protocols[i].FromID) (id, data_lenp, datap)) {
- *name_lenp = protocols[i].name_length;
- *namep = protocols[i].name;
- return 1;
- }
+ if (protocols[i].FromID &&
+ (*protocols[i].FromID) (id, data_lenp, datap)) {
+ *name_lenp = protocols[i].name_length;
+ *namep = protocols[i].name;
+ return 1;
+ }
}
return 0;
}
int
-RemoveAuthorization (
- unsigned short name_length,
- const char *name,
- unsigned short data_length,
- const char *data)
+RemoveAuthorization(unsigned short name_length,
+ const char *name,
+ unsigned short data_length, const char *data)
{
- int i;
+ int i;
for (i = 0; i < NUM_AUTHORIZATION; i++) {
- if (protocols[i].name_length == name_length &&
- memcmp (protocols[i].name, name, (int) name_length) == 0 &&
- protocols[i].Remove)
- {
- return (*protocols[i].Remove) (data_length, data);
- }
+ if (protocols[i].name_length == name_length &&
+ memcmp(protocols[i].name, name, (int) name_length) == 0 &&
+ protocols[i].Remove) {
+ return (*protocols[i].Remove) (data_length, data);
+ }
}
return 0;
}
int
-AddAuthorization (unsigned name_length, const char *name,
- unsigned data_length, char *data)
+AddAuthorization(unsigned name_length, const char *name,
+ unsigned data_length, char *data)
{
- int i;
+ int i;
for (i = 0; i < NUM_AUTHORIZATION; i++) {
- if (protocols[i].name_length == name_length &&
- memcmp (protocols[i].name, name, (int) name_length) == 0 &&
- protocols[i].Add)
- {
- return (*protocols[i].Add) (data_length, data, FakeClientID(0));
- }
+ if (protocols[i].name_length == name_length &&
+ memcmp(protocols[i].name, name, (int) name_length) == 0 &&
+ protocols[i].Add) {
+ return (*protocols[i].Add) (data_length, data, FakeClientID(0));
+ }
}
return 0;
}
@@ -293,30 +280,28 @@ AddAuthorization (unsigned name_length, const char *name,
#ifdef XCSECURITY
XID
-GenerateAuthorization(
- unsigned name_length,
- const char *name,
- unsigned data_length,
- const char *data,
- unsigned *data_length_return,
- char **data_return)
+GenerateAuthorization(unsigned name_length,
+ const char *name,
+ unsigned data_length,
+ const char *data,
+ unsigned *data_length_return, char **data_return)
{
- int i;
+ int i;
for (i = 0; i < NUM_AUTHORIZATION; i++) {
- if (protocols[i].name_length == name_length &&
- memcmp (protocols[i].name, name, (int) name_length) == 0 &&
- protocols[i].Generate)
- {
- return (*protocols[i].Generate) (data_length, data,
- FakeClientID(0), data_length_return, data_return);
- }
+ if (protocols[i].name_length == name_length &&
+ memcmp(protocols[i].name, name, (int) name_length) == 0 &&
+ protocols[i].Generate) {
+ return (*protocols[i].Generate) (data_length, data,
+ FakeClientID(0),
+ data_length_return, data_return);
+ }
}
return -1;
}
void
-GenerateRandomData (int len, char *buf)
+GenerateRandomData(int len, char *buf)
{
#ifdef _MSC_VER
static HANDLE hAdvApi32;
@@ -337,4 +322,4 @@ GenerateRandomData (int len, char *buf)
#endif
}
-#endif /* XCSECURITY */
+#endif /* XCSECURITY */
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