*
*/
+#undef DEBUG
+
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <errno.h>
+#include <sys/wait.h>
#include "list.h"
#include "udev.h"
#define TYPE_NUMBER "NUMBER"
#define TYPE_TOPOLOGY "TOPOLOGY"
#define TYPE_REPLACE "REPLACE"
+#define TYPE_CALLOUT "CALLOUT"
static LIST_HEAD(config_device_list);
dev->attr.name, dev->kernel_name,
dev->attr.owner, dev->attr.group, dev->attr.mode);
break;
+ case CALLOUT:
+ dbg("CALLOUT name = '%s', program ='%s', bus = '%s', id = '%s'"
+ " owner = '%s', group = '%s', mode = '%#o'",
+ dev->attr.name, dev->exec_program, dev->bus, dev->id,
+ dev->attr.owner, dev->attr.group, dev->attr.mode);
+ break;
default:
dbg("Unknown type of device!");
}
strcpy(dev.attr.name, temp3);
dbg("REPLACE name = %s, kernel_name = %s", dev.attr.name, dev.kernel_name);
}
+ if (strcasecmp(temp2, TYPE_CALLOUT) == 0) {
+ /* number type */
+ dev.type = CALLOUT;
+
+ /* PROGRAM="executable" */
+ retval = get_value("PROGRAM", &temp, &temp3);
+ if (retval)
+ continue;
+ strcpy(dev.exec_program, temp3);
+
+ /* BUS="bus" */
+ temp2 = strsep(&temp, ",");
+ retval = get_value("BUS", &temp, &temp3);
+ if (retval)
+ continue;
+ strcpy(dev.bus, temp3);
+
+ /* ID="id" */
+ temp2 = strsep(&temp, ",");
+ retval = get_value("ID", &temp, &temp3);
+ if (retval)
+ continue;
+ strcpy(dev.id, temp3);
+
+ /* NAME="new_name" */
+ temp2 = strsep(&temp, ",");
+ retval = get_value("NAME", &temp, &temp3);
+ if (retval)
+ continue;
+ strcpy(dev.attr.name, temp3);
+ dbg("CALLOUT name = %s, program = %s", dev.attr.name, dev.exec_program);
+ }
retval = add_dev(&dev);
if (retval) {
}
+static int exec_callout(struct config_device *dev, char *value, int len)
+{
+ int retval;
+ int res;
+ int status;
+ int fds[2];
+ pid_t pid;
+ int value_set = 0;
+ char buffer[256];
+
+ dbg("callout to %s\n", dev->exec_program);
+ retval = pipe(fds);
+ if (retval != 0) {
+ dbg("pipe failed");
+ return -1;
+ }
+ pid = fork();
+ if (pid == -1) {
+ dbg("fork failed");
+ return -1;
+ }
+
+ if (pid == 0) {
+ /*
+ * child
+ */
+ close(STDOUT_FILENO);
+ dup(fds[1]); /* dup write side of pipe to STDOUT */
+ retval = execve(dev->exec_program, main_argv, main_envp);
+ if (retval != 0) {
+ dbg("child execve failed");
+ exit(1);
+ }
+ return -1; /* avoid compiler warning */
+ } else {
+ /*
+ * Parent reads from fds[0].
+ */
+ close(fds[1]);
+ retval = 0;
+ while (1) {
+ res = read(fds[0], buffer, sizeof(buffer) - 1);
+ if (res <= 0)
+ break;
+ buffer[res] = '\0';
+ if (res > len) {
+ dbg("callout len %d too short\n", len);
+ retval = -1;
+ }
+ if (value_set) {
+ dbg("callout value already set");
+ retval = -1;
+ } else {
+ value_set = 1;
+ strncpy(value, buffer, len);
+ }
+ }
+ close(fds[0]);
+ res = wait(&status);
+ if (res < 0) {
+ dbg("wait failed result %d", res);
+ retval = -1;
+ }
+
+ if (!WIFEXITED(status) || (WEXITSTATUS(status) != 0)) {
+ dbg("callout program status 0x%x", status);
+ retval = -1;
+ }
+ }
+ return retval;
+}
+
static int get_attr(struct sysfs_class_device *class_dev, struct device_attr *attr)
{
struct list_head *tmp;
int retval = 0;
int found;
+ attr->mode = -1;
if (class_dev->sysdevice) {
dbg("class_dev->sysdevice->directory->path = '%s'", class_dev->sysdevice->directory->path);
dbg("class_dev->sysdevice->bus_id = '%s'", class_dev->sysdevice->bus_id);
}
}
continue;
-
+
label_found:
- dbg("file '%s' found with value '%s'", dev->sysfs_file, temp);
+ temp[strlen(temp)-1] = 0x00;
+ dbg("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, temp, dev->sysfs_value);
if (strcmp(dev->sysfs_value, temp) != 0)
continue;
strcpy(attr->name, dev->attr.name);
- attr->mode = dev->attr.mode;
- strcpy(attr->owner, dev->attr.owner);
- strcpy(attr->group, dev->attr.group);
+ if (isdigit(class_dev->directory->path[strlen(class_dev->directory->path)-1])) {
+ temp[0] = class_dev->directory->path[strlen(class_dev->directory->path)-1];
+ temp[1] = 0x00;
+ strcat(attr->name, temp);
+ }
+ if (dev->attr.mode != 0) {
+ attr->mode = dev->attr.mode;
+ strcpy(attr->owner, dev->attr.owner);
+ strcpy(attr->group, dev->attr.group);
+ }
dbg("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
dev->sysfs_file, dev->sysfs_value, attr->name,
dev->attr.owner, dev->attr.group, dev->attr.mode);
- return retval;
-dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'"
- " owner = '%s', group = '%s', mode = '%#o'",
- dev->attr.name, dev->bus, dev->sysfs_file, dev->sysfs_value,
- dev->attr.owner, dev->attr.group, dev->attr.mode);
+ goto done;
break;
}
case NUMBER:
} else {
*temp = 0x00;
temp = strrchr(path, '/');
- dbg("TOPOLOGY temp = '%s' id = '%s'", temp, dev->id);
+ dbg("NUMBERY temp = '%s' id = '%s'", temp, dev->id);
if (strstr(temp, dev->id) != NULL)
found = 1;
}
continue;
strcpy(attr->name, dev->attr.name);
- attr->mode = dev->attr.mode;
- strcpy(attr->owner, dev->attr.owner);
- strcpy(attr->group, dev->attr.group);
+ if (dev->attr.mode != 0) {
+ attr->mode = dev->attr.mode;
+ strcpy(attr->owner, dev->attr.owner);
+ strcpy(attr->group, dev->attr.group);
+ }
dbg("device id '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
dev->id, attr->name,
dev->attr.owner, dev->attr.group, dev->attr.mode);
- return retval;
+ goto done;
break;
}
case TOPOLOGY:
continue;
strcpy(attr->name, dev->attr.name);
- attr->mode = dev->attr.mode;
- strcpy(attr->owner, dev->attr.owner);
- strcpy(attr->group, dev->attr.group);
+ if (dev->attr.mode != 0) {
+ attr->mode = dev->attr.mode;
+ strcpy(attr->owner, dev->attr.owner);
+ strcpy(attr->group, dev->attr.group);
+ }
dbg("device at '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
dev->place, attr->name,
dev->attr.owner, dev->attr.group, dev->attr.mode);
- return retval;
+ goto done;
+ break;
+ }
+ case CALLOUT:
+ {
+ char value[ID_SIZE];
+
+ if (exec_callout(dev, value, sizeof(value)))
+ continue;
+ if (strncmp(value, dev->id, sizeof(value)) != 0)
+ continue;
+ strcpy(attr->name, dev->attr.name);
+ if (dev->attr.mode != 0) {
+ attr->mode = dev->attr.mode;
+ strcpy(attr->owner, dev->attr.owner);
+ strcpy(attr->group, dev->attr.group);
+ }
+ dbg("device callout '%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
+ dev->id, attr->name,
+ dev->attr.owner, dev->attr.group, dev->attr.mode);
+ goto done;
break;
}
case REPLACE:
if (strcmp(dev->kernel_name, class_dev->name) != 0)
continue;
strcpy(attr->name, dev->attr.name);
- attr->mode = dev->attr.mode;
- strcpy(attr->owner, dev->attr.owner);
- strcpy(attr->group, dev->attr.group);
+ if (dev->attr.mode != 0) {
+ attr->mode = dev->attr.mode;
+ strcpy(attr->owner, dev->attr.owner);
+ strcpy(attr->group, dev->attr.group);
+ }
dbg("'%s' becomes '%s' - owner = %s, group = %s, mode = %#o",
dev->kernel_name, attr->name,
dev->attr.owner, dev->attr.group, dev->attr.mode);
- return retval;
+ goto done;
break;
case KERNEL_NAME:
break;
break;
}
}
- attr->mode = get_default_mode(class_dev);
- attr->owner[0] = 0x00;
- attr->group[0] = 0x00;
strcpy(attr->name, class_dev->name);
+
+done:
+ if (attr->mode == -1) {
+ attr->mode = get_default_mode(class_dev);
+ attr->owner[0] = 0x00;
+ attr->group[0] = 0x00;
+ }
return retval;
}
~ianmdlvl / elogind.git / blobdiff