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Diffstat (limited to 'xorg-server/os/client.c')
-rw-r--r--xorg-server/os/client.c120
1 files changed, 62 insertions, 58 deletions
diff --git a/xorg-server/os/client.c b/xorg-server/os/client.c
index fbccf22ed..ef5e3935d 100644
--- a/xorg-server/os/client.c
+++ b/xorg-server/os/client.c
@@ -85,7 +85,8 @@
*
* @see GetClientPid
*/
-pid_t DetermineClientPid(struct _Client *client)
+pid_t
+DetermineClientPid(struct _Client * client)
{
LocalClientCredRec *lcc = NULL;
pid_t pid = -1;
@@ -96,8 +97,7 @@ pid_t DetermineClientPid(struct _Client *client)
if (client == serverClient)
return getpid();
- if (GetLocalClientCreds(client, &lcc) != -1)
- {
+ if (GetLocalClientCreds(client, &lcc) != -1) {
if (lcc->fieldsSet & LCC_PID_SET)
pid = lcc->pid;
FreeLocalClientCreds(lcc);
@@ -127,7 +127,8 @@ pid_t DetermineClientPid(struct _Client *client)
*
* @see GetClientCmdName/Args
*/
-void DetermineClientCmd(pid_t pid, const char **cmdname, const char **cmdargs)
+void
+DetermineClientCmd(pid_t pid, const char **cmdname, const char **cmdargs)
{
char path[PATH_MAX + 1];
int totsize = 0;
@@ -141,20 +142,18 @@ void DetermineClientCmd(pid_t pid, const char **cmdname, const char **cmdargs)
if (pid == -1)
return;
-#ifdef __sun /* Solaris */
+#ifdef __sun /* Solaris */
/* Solaris does not support /proc/pid/cmdline, but makes information
* similar to what ps shows available in a binary structure in the
* /proc/pid/psinfo file. */
if (snprintf(path, sizeof(path), "/proc/%d/psinfo", pid) < 0)
return;
fd = open(path, O_RDONLY);
- if (fd < 0)
- {
- ErrorF ("Failed to open %s: %s\n", path, strerror(errno));
+ if (fd < 0) {
+ ErrorF("Failed to open %s: %s\n", path, strerror(errno));
return;
}
- else
- {
+ else {
psinfo_t psinfo = { 0 };
char *sp;
@@ -170,7 +169,7 @@ void DetermineClientCmd(pid_t pid, const char **cmdname, const char **cmdargs)
* the file that was exec'ed, thus cutting off many long gnome
* command names, or returning "isapython2.6" for all python scripts.
*/
- psinfo.pr_psargs[PRARGSZ-1] = '\0';
+ psinfo.pr_psargs[PRARGSZ - 1] = '\0';
sp = strchr(psinfo.pr_psargs, ' ');
if (sp)
*sp++ = '\0';
@@ -184,36 +183,37 @@ void DetermineClientCmd(pid_t pid, const char **cmdname, const char **cmdargs)
#elif defined(__OpenBSD__)
/* on OpenBSD use kvm_getargv() */
{
- kvm_t *kd;
- char errbuf[_POSIX2_LINE_MAX];
- char **argv;
- struct kinfo_proc *kp;
- size_t len = 0;
- int i, n;
-
- kd = kvm_open(NULL, NULL, NULL, KVM_NO_FILES, errbuf);
- if (kd == NULL)
- return;
- kp = kvm_getprocs(kd, KERN_PROC_PID, pid, sizeof(struct kinfo_proc), &n);
- if (n != 1)
- return;
- argv = kvm_getargv(kd, kp, 0);
- *cmdname = strdup(argv[0]);
- i = 1;
- while (argv[i] != NULL) {
- len += strlen(argv[i]) + 1;
- i++;
- }
- *cmdargs = calloc(1, len);
- i = 1;
- while (argv[i] != NULL) {
- strlcat(*cmdargs, argv[i], len);
- strlcat(*cmdargs, " ", len);
- i++;
- }
- kvm_close(kd);
+ kvm_t *kd;
+ char errbuf[_POSIX2_LINE_MAX];
+ char **argv;
+ struct kinfo_proc *kp;
+ size_t len = 0;
+ int i, n;
+
+ kd = kvm_open(NULL, NULL, NULL, KVM_NO_FILES, errbuf);
+ if (kd == NULL)
+ return;
+ kp = kvm_getprocs(kd, KERN_PROC_PID, pid, sizeof(struct kinfo_proc),
+ &n);
+ if (n != 1)
+ return;
+ argv = kvm_getargv(kd, kp, 0);
+ *cmdname = strdup(argv[0]);
+ i = 1;
+ while (argv[i] != NULL) {
+ len += strlen(argv[i]) + 1;
+ i++;
+ }
+ *cmdargs = calloc(1, len);
+ i = 1;
+ while (argv[i] != NULL) {
+ strlcat(*cmdargs, argv[i], len);
+ strlcat(*cmdargs, " ", len);
+ i++;
+ }
+ kvm_close(kd);
}
-#else /* Linux using /proc/pid/cmdline */
+#else /* Linux using /proc/pid/cmdline */
/* Check if /proc/pid/cmdline exists. It's not supported on all
* operating systems. */
@@ -232,26 +232,24 @@ void DetermineClientCmd(pid_t pid, const char **cmdname, const char **cmdargs)
path[totsize - 1] = '\0';
/* Contruct the process name without arguments. */
- if (cmdname)
- {
+ if (cmdname) {
*cmdname = strdup(path);
}
/* Construct the arguments for client process. */
- if (cmdargs)
- {
+ if (cmdargs) {
int cmdsize = strlen(path) + 1;
int argsize = totsize - cmdsize;
char *args = NULL;
if (argsize > 0)
args = malloc(argsize);
- if (args)
- {
+ if (args) {
int i = 0;
- for (i = 0; i < (argsize - 1); ++i)
- {
+
+ for (i = 0; i < (argsize - 1); ++i) {
const char c = path[cmdsize + i];
+
args[i] = (c == '\0') ? ' ' : c;
}
args[argsize - 1] = '\0';
@@ -266,7 +264,8 @@ void DetermineClientCmd(pid_t pid, const char **cmdname, const char **cmdargs)
*
* @param[in] client Recently connected client.
*/
-void ReserveClientIds(struct _Client *client)
+void
+ReserveClientIds(struct _Client *client)
{
#ifdef CLIENTIDS
if (client == NullClient)
@@ -279,7 +278,8 @@ void ReserveClientIds(struct _Client *client)
client->clientIds->pid = DetermineClientPid(client);
if (client->clientIds->pid != -1)
- DetermineClientCmd(client->clientIds->pid, &client->clientIds->cmdname, &client->clientIds->cmdargs);
+ DetermineClientCmd(client->clientIds->pid, &client->clientIds->cmdname,
+ &client->clientIds->cmdargs);
DebugF("client(%lx): Reserved pid(%d).\n",
(unsigned long) client->clientAsMask, client->clientIds->pid);
@@ -287,7 +287,7 @@ void ReserveClientIds(struct _Client *client)
(unsigned long) client->clientAsMask,
client->clientIds->cmdname ? client->clientIds->cmdname : "NULL",
client->clientIds->cmdargs ? client->clientIds->cmdargs : "NULL");
-#endif /* CLIENTIDS */
+#endif /* CLIENTIDS */
}
/**
@@ -296,7 +296,8 @@ void ReserveClientIds(struct _Client *client)
*
* @param[in] client Recently disconnected client.
*/
-void ReleaseClientIds(struct _Client *client)
+void
+ReleaseClientIds(struct _Client *client)
{
#ifdef CLIENTIDS
if (client == NullClient)
@@ -312,11 +313,11 @@ void ReleaseClientIds(struct _Client *client)
client->clientIds->cmdname ? client->clientIds->cmdname : "NULL",
client->clientIds->cmdargs ? client->clientIds->cmdargs : "NULL");
- free((void *) client->clientIds->cmdname); /* const char * */
- free((void *) client->clientIds->cmdargs); /* const char * */
+ free((void *) client->clientIds->cmdname); /* const char * */
+ free((void *) client->clientIds->cmdargs); /* const char * */
free(client->clientIds);
client->clientIds = NULL;
-#endif /* CLIENTIDS */
+#endif /* CLIENTIDS */
}
/**
@@ -331,7 +332,8 @@ void ReleaseClientIds(struct _Client *client)
*
* @see DetermineClientPid
*/
-pid_t GetClientPid(struct _Client *client)
+pid_t
+GetClientPid(struct _Client *client)
{
if (client == NullClient)
return -1;
@@ -356,7 +358,8 @@ pid_t GetClientPid(struct _Client *client)
*
* @see DetermineClientCmd
*/
-const char *GetClientCmdName(struct _Client *client)
+const char *
+GetClientCmdName(struct _Client *client)
{
if (client == NullClient)
return NULL;
@@ -381,7 +384,8 @@ const char *GetClientCmdName(struct _Client *client)
*
* @see DetermineClientCmd
*/
-const char *GetClientCmdArgs(struct _Client *client)
+const char *
+GetClientCmdArgs(struct _Client *client)
{
if (client == NullClient)
return NULL;