summaryrefslogtreecommitdiff
path: root/udev_rules.c
diff options
context:
space:
mode:
Diffstat (limited to 'udev_rules.c')
-rw-r--r--udev_rules.c196
1 files changed, 76 insertions, 120 deletions
diff --git a/udev_rules.c b/udev_rules.c
index 631cc4270a..cbd76e66eb 100644
--- a/udev_rules.c
+++ b/udev_rules.c
@@ -731,7 +731,7 @@ int udev_rules_get_name(struct udevice *udev, struct sysfs_class_device *class_d
list_for_each_entry(rule, &udev_rule_list, node) {
dbg("process rule");
if (match_rule(udev, rule, class_dev, sysfs_device) == 0) {
- if (udev->name[0] != '\0' && rule->name[0] != '\0') {
+ if (udev->name_set && rule->name_operation != KEY_OP_UNSET) {
dbg("node name already set, rule ignored");
continue;
}
@@ -776,73 +776,84 @@ int udev_rules_get_name(struct udevice *udev, struct sysfs_class_device *class_d
}
/* collect symlinks */
- if (!udev->symlink_final && rule->symlink[0] != '\0') {
+ if (!udev->symlink_final && rule->symlink_operation != KEY_OP_UNSET) {
char temp[PATH_SIZE];
char *pos, *next;
if (rule->symlink_operation == KEY_OP_ASSIGN_FINAL)
udev->symlink_final = 1;
- else if (rule->symlink_operation == KEY_OP_ASSIGN) {
+ if (rule->symlink_operation == KEY_OP_ASSIGN || rule->symlink_operation == KEY_OP_ASSIGN_FINAL) {
struct name_entry *name_loop;
struct name_entry *temp_loop;
+ info("reset symlink list");
list_for_each_entry_safe(name_loop, temp_loop, &udev->symlink_list, node) {
list_del(&name_loop->node);
free(name_loop);
}
}
- info("configured rule in '%s[%i]' applied, added symlink '%s'",
- rule->config_file, rule->config_line, rule->symlink);
- strlcpy(temp, rule->symlink, sizeof(temp));
- apply_format(udev, temp, sizeof(temp), class_dev, sysfs_device);
-
- /* add multiple symlinks separated by spaces */
- pos = temp;
- next = strchr(temp, ' ');
- while (next) {
- next[0] = '\0';
+ if (rule->symlink[0] != '\0') {
+ info("configured rule in '%s[%i]' applied, added symlink '%s'",
+ rule->config_file, rule->config_line, rule->symlink);
+ strlcpy(temp, rule->symlink, sizeof(temp));
+ apply_format(udev, temp, sizeof(temp), class_dev, sysfs_device);
+
+ /* add multiple symlinks separated by spaces */
+ pos = temp;
+ next = strchr(temp, ' ');
+ while (next) {
+ next[0] = '\0';
+ info("add symlink '%s'", pos);
+ name_list_add(&udev->symlink_list, pos, 0);
+ pos = &next[1];
+ next = strchr(pos, ' ');
+ }
info("add symlink '%s'", pos);
name_list_add(&udev->symlink_list, pos, 0);
- pos = &next[1];
- next = strchr(pos, ' ');
}
- info("add symlink '%s'", pos);
- name_list_add(&udev->symlink_list, pos, 0);
}
/* set name, later rules with name set will be ignored */
- if (rule->name[0] != '\0') {
- info("configured rule in '%s[%i]' applied, '%s' becomes '%s'",
- rule->config_file, rule->config_line, udev->kernel_name, rule->name);
-
- strlcpy(udev->name, rule->name, sizeof(udev->name));
- apply_format(udev, udev->name, sizeof(udev->name), class_dev, sysfs_device);
- strlcpy(udev->config_file, rule->config_file, sizeof(udev->config_file));
- udev->config_line = rule->config_line;
-
- if (udev->type != DEV_NET)
- dbg("name, '%s' is going to have owner='%s', group='%s', mode=%#o partitions=%i",
- udev->name, udev->owner, udev->group, udev->mode, udev->partitions);
+ if (rule->name_operation != KEY_OP_UNSET) {
+ udev->name_set = 1;
+ if (rule->name[0] == '\0') {
+ info("configured rule in '%s[%i]' applied, node handling for '%s' supressed",
+ rule->config_file, rule->config_line, udev->kernel_name);
+ } else {
+ strlcpy(udev->name, rule->name, sizeof(udev->name));
+ apply_format(udev, udev->name, sizeof(udev->name), class_dev, sysfs_device);
+ strlcpy(udev->config_file, rule->config_file, sizeof(udev->config_file));
+ udev->config_line = rule->config_line;
+
+ info("configured rule in '%s:%i' applied, '%s' becomes '%s'",
+ rule->config_file, rule->config_line, udev->kernel_name, rule->name);
+ if (udev->type != DEV_NET)
+ dbg("name, '%s' is going to have owner='%s', group='%s', mode=%#o partitions=%i",
+ udev->name, udev->owner, udev->group, udev->mode, udev->partitions);
+ }
}
- if (!udev->run_final && rule->run[0] != '\0') {
+ if (!udev->run_final && rule->run_operation != KEY_OP_UNSET) {
char program[PATH_SIZE];
if (rule->run_operation == KEY_OP_ASSIGN_FINAL)
udev->run_final = 1;
- else if (rule->run_operation == KEY_OP_ASSIGN) {
+ if (rule->run_operation == KEY_OP_ASSIGN || rule->run_operation == KEY_OP_ASSIGN_FINAL) {
struct name_entry *name_loop;
struct name_entry *temp_loop;
+ info("reset run list");
list_for_each_entry_safe(name_loop, temp_loop, &udev->run_list, node) {
list_del(&name_loop->node);
free(name_loop);
}
}
- strlcpy(program, rule->run, sizeof(program));
- apply_format(udev, program, sizeof(program), class_dev, sysfs_device);
- dbg("add run '%s'", program);
- name_list_add(&udev->run_list, program, 0);
+ if (rule->run[0] != '\0') {
+ strlcpy(program, rule->run, sizeof(program));
+ apply_format(udev, program, sizeof(program), class_dev, sysfs_device);
+ dbg("add run '%s'", program);
+ name_list_add(&udev->run_list, program, 0);
+ }
}
if (rule->last_rule) {
@@ -866,113 +877,58 @@ int udev_rules_get_name(struct udevice *udev, struct sysfs_class_device *class_d
return 0;
}
-int udev_rules_get_run(struct udevice *udev)
+int udev_rules_get_run(struct udevice *udev, struct sysfs_device *sysfs_device)
{
struct udev_rule *rule;
- char program[PATH_SIZE];
/* look for a matching rule to apply */
list_for_each_entry(rule, &udev_rule_list, node) {
dbg("process rule");
- if (rule->run[0] == '\0')
+ if (rule->run_operation == KEY_OP_UNSET)
continue;
- if (rule->name[0] != '\0' || rule->symlink[0] != '\0' ||
+ if (rule->name_operation != KEY_OP_UNSET || rule->symlink_operation != KEY_OP_UNSET ||
rule->mode != 0000 || rule->owner[0] != '\0' || rule->group[0] != '\0') {
dbg("skip rule that names a device");
continue;
}
- if (rule->action_operation != KEY_OP_UNSET) {
- dbg("check for " KEY_ACTION " rule->action='%s' udev->action='%s'",
- rule->action, udev->action);
- if (strcmp_pattern(rule->action, udev->action) != 0) {
- dbg(KEY_ACTION " is not matching");
- if (rule->action_operation != KEY_OP_NOMATCH)
- continue;
- } else {
- dbg(KEY_ACTION " matches");
- if (rule->action_operation == KEY_OP_NOMATCH)
- continue;
- }
- dbg(KEY_ACTION " key is true");
- }
-
- if (rule->kernel_operation != KEY_OP_UNSET) {
- dbg("check for " KEY_KERNEL " rule->kernel='%s' udev->kernel_name='%s'",
- rule->kernel, udev->kernel_name);
- if (strcmp_pattern(rule->kernel, udev->kernel_name) != 0) {
- dbg(KEY_KERNEL " is not matching");
- if (rule->kernel_operation != KEY_OP_NOMATCH)
- continue;
- } else {
- dbg(KEY_KERNEL " matches");
- if (rule->kernel_operation == KEY_OP_NOMATCH)
- continue;
- }
- dbg(KEY_KERNEL " key is true");
- }
-
- if (rule->subsystem_operation != KEY_OP_UNSET) {
- dbg("check for " KEY_SUBSYSTEM " rule->subsystem='%s' udev->subsystem='%s'",
- rule->subsystem, udev->subsystem);
- if (strcmp_pattern(rule->subsystem, udev->subsystem) != 0) {
- dbg(KEY_SUBSYSTEM " is not matching");
- if (rule->subsystem_operation != KEY_OP_NOMATCH)
- continue;
- } else {
- dbg(KEY_SUBSYSTEM " matches");
- if (rule->subsystem_operation == KEY_OP_NOMATCH)
- continue;
+ if (match_rule(udev, rule, NULL, sysfs_device) == 0) {
+ if (rule->ignore_device) {
+ info("configured rule in '%s[%i]' applied, '%s' is ignored",
+ rule->config_file, rule->config_line, udev->kernel_name);
+ udev->ignore_device = 1;
+ return 0;
}
- dbg(KEY_SUBSYSTEM " key is true");
- }
- if (rule->env_pair_count) {
- int i;
+ if (!udev->run_final && rule->run_operation != KEY_OP_UNSET) {
+ char program[PATH_SIZE];
- dbg("check for " KEY_ENV " pairs");
- for (i = 0; i < rule->env_pair_count; i++) {
- struct key_pair *pair;
- const char *value;
+ if (rule->run_operation == KEY_OP_ASSIGN || rule->run_operation == KEY_OP_ASSIGN_FINAL) {
+ struct name_entry *name_loop;
+ struct name_entry *temp_loop;
- pair = &rule->env_pair[i];
- value = getenv(pair->name);
- if (!value) {
- dbg(KEY_ENV "{'%s'} is not found", pair->name);
- continue;
+ info("reset run list");
+ list_for_each_entry_safe(name_loop, temp_loop, &udev->run_list, node) {
+ list_del(&name_loop->node);
+ free(name_loop);
+ }
}
- if (strcmp_pattern(pair->value, value) != 0) {
- dbg(KEY_ENV "{'%s'} is not matching", pair->name);
- if (pair->operation != KEY_OP_NOMATCH)
- continue;
- } else {
- dbg(KEY_ENV "{'%s'} matches", pair->name);
- if (pair->operation == KEY_OP_NOMATCH)
- continue;
+ if (rule->run[0] != '\0') {
+ strlcpy(program, rule->run, sizeof(program));
+ apply_format(udev, program, sizeof(program), NULL, NULL);
+ dbg("add run '%s'", program);
+ name_list_add(&udev->run_list, program, 0);
}
+ if (rule->run_operation == KEY_OP_ASSIGN_FINAL)
+ break;
}
- dbg(KEY_ENV " key is true");
- }
-
- /* rule matches */
-
- if (rule->ignore_device) {
- info("configured rule in '%s[%i]' applied, '%s' is ignored",
- rule->config_file, rule->config_line, udev->kernel_name);
- udev->ignore_device = 1;
- return 0;
- }
-
- strlcpy(program, rule->run, sizeof(program));
- apply_format(udev, program, sizeof(program), NULL, NULL);
- dbg("add run '%s'", program);
- name_list_add(&udev->run_list, program, 0);
- if (rule->last_rule) {
- dbg("last rule to be applied");
- break;
+ if (rule->last_rule) {
+ dbg("last rule to be applied");
+ break;
+ }
}
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-03 15:18:28 +0000