X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev%2Flib%2Flibudev.c;h=c2c5025b9eb0d170e7e6536771a967862bccadc3;hp=3bcafcd9a6955be02e0c4a4e9d9e0735a7c300df;hb=13ddea815496b32bd0ae0a648cdc50af28d69bb1;hpb=b21b95d7222f32940c8e9462c361e45041c9f7d6
diff --git a/udev/lib/libudev.c b/udev/lib/libudev.c
index 3bcafcd9a..c2c5025b9 100644
--- a/udev/lib/libudev.c
+++ b/udev/lib/libudev.c
@@ -17,8 +17,6 @@
* along with this program. If not, see .
*/
-#include "config.h"
-
#include
#include
#include
@@ -33,18 +31,19 @@
#include "libudev.h"
#include "libudev-private.h"
-#include "../udev.h"
struct udev {
int refcount;
void (*log_fn)(struct udev *udev,
int priority, const char *file, int line, const char *fn,
const char *format, va_list args);
+ void *userdata;
char *sys_path;
char *dev_path;
char *rules_path;
int log_priority;
#ifdef USE_SELINUX
+ int selinux_initialized;
int selinux_enabled;
security_context_t selinux_prev_scontext;
#endif
@@ -89,12 +88,29 @@ static void selinux_init(struct udev *udev)
udev->selinux_prev_scontext = NULL;
}
}
+ udev->selinux_initialized = 1;
#endif
}
+void *udev_get_userdata(struct udev *udev)
+{
+ if (udev == NULL)
+ return NULL;
+ return udev->userdata;
+}
+
+void udev_set_userdata(struct udev *udev, void *userdata)
+{
+ if (udev == NULL)
+ return;
+ udev->userdata = userdata;
+}
+
static void selinux_exit(struct udev *udev)
{
#ifdef USE_SELINUX
+ if (!udev->selinux_initialized)
+ return;
if (udev->selinux_enabled) {
freecon(udev->selinux_prev_scontext);
udev->selinux_prev_scontext = NULL;
@@ -105,6 +121,8 @@ static void selinux_exit(struct udev *udev)
void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode)
{
#ifdef USE_SELINUX
+ if (!udev->selinux_initialized)
+ selinux_init(udev);
if (udev->selinux_enabled) {
security_context_t scontext = NULL;
@@ -113,7 +131,7 @@ void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int
return;
}
if (lsetfilecon(file, scontext) < 0)
- err(udev, "setfilecon %s failed: %s\n", file, strerror(errno));
+ err(udev, "setfilecon %s failed: %m\n", file);
freecon(scontext);
}
#endif
@@ -122,6 +140,8 @@ void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int
void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode)
{
#ifdef USE_SELINUX
+ if (!udev->selinux_initialized)
+ selinux_init(udev);
if (udev->selinux_enabled) {
security_context_t scontext = NULL;
@@ -130,7 +150,7 @@ void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned i
return;
}
if (setfscreatecon(scontext) < 0)
- err(udev, "setfscreatecon %s failed: %s\n", file, strerror(errno));
+ err(udev, "setfscreatecon %s failed: %m\n", file);
freecon(scontext);
}
#endif
@@ -139,9 +159,11 @@ void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned i
void udev_selinux_resetfscreatecon(struct udev *udev)
{
#ifdef USE_SELINUX
+ if (!udev->selinux_initialized)
+ selinux_init(udev);
if (udev->selinux_enabled) {
if (setfscreatecon(udev->selinux_prev_scontext) < 0)
- err(udev, "setfscreatecon failed: %s\n", strerror(errno));
+ err(udev, "setfscreatecon failed: %m\n");
}
#endif
}
@@ -184,24 +206,24 @@ struct udev *udev_new(void)
if (env != NULL) {
free(udev->sys_path);
udev->sys_path = strdup(env);
- remove_trailing_chars(udev->sys_path, '/');
+ util_remove_trailing_chars(udev->sys_path, '/');
}
env = getenv("UDEV_RUN");
- if (env != NULL && !string_is_true(env))
+ if (env != NULL && strcmp(env, "0") == 0)
udev->run = 0;
env = getenv("UDEV_CONFIG_FILE");
if (env != NULL) {
free(config_file);
config_file = strdup(env);
- remove_trailing_chars(config_file, '/');
+ util_remove_trailing_chars(config_file, '/');
}
if (config_file == NULL)
goto err;
f = fopen(config_file, "r");
if (f != NULL) {
- char line[LINE_SIZE];
+ char line[UTIL_LINE_SIZE];
int line_nr = 0;
while (fgets(line, sizeof(line), f)) {
@@ -263,19 +285,19 @@ struct udev *udev_new(void)
}
if (strcasecmp(key, "udev_log") == 0) {
- udev->log_priority = log_priority(val);
+ udev->log_priority = util_log_priority(val);
continue;
}
if (strcasecmp(key, "udev_root") == 0) {
free(udev->dev_path);
udev->dev_path = strdup(val);
- remove_trailing_chars(udev->dev_path, '/');
+ util_remove_trailing_chars(udev->dev_path, '/');
continue;
}
if (strcasecmp(key, "udev_rules") == 0) {
free(udev->rules_path);
udev->rules_path = strdup(val);
- remove_trailing_chars(udev->rules_path, '/');
+ util_remove_trailing_chars(udev->rules_path, '/');
continue;
}
}
@@ -286,16 +308,15 @@ struct udev *udev_new(void)
if (env != NULL) {
free(udev->dev_path);
udev->dev_path = strdup(env);
- remove_trailing_chars(udev->dev_path, '/');
+ util_remove_trailing_chars(udev->dev_path, '/');
}
env = getenv("UDEV_LOG");
if (env != NULL)
- udev->log_priority = log_priority(env);
+ udev->log_priority = util_log_priority(env);
if (udev->dev_path == NULL || udev->sys_path == NULL)
goto err;
- selinux_init(udev);
info(udev, "context %p created\n", udev);
info(udev, "log_priority=%d\n", udev->log_priority);
info(udev, "config_file='%s'\n", config_file);
@@ -356,8 +377,7 @@ void udev_unref(struct udev *udev)
* @udev: udev library context
* @log_fn: function to be called for logging messages
*
- * The built-in logging, which writes to stderr if the
- * LIBUDEV_DEBUG environment variable is set, can be
+ * The built-in logging, which writes to stderr, it can be
* overridden by a custom function, to plug log messages
* into the users logging functionality.
*