#include "udev_selinux.h"
-void udev_rules_iter_init(struct udev_rules *rules)
+void udev_rules_iter_init(struct udev_rules_iter *iter, struct udev_rules *rules)
{
- dbg("bufsize=%zi\n", rules->bufsize);
- rules->current = 0;
+ dbg(iter->rules->udev, "bufsize=%zi\n", rules->bufsize);
+ iter->rules = rules;
+ iter->current = 0;
}
-struct udev_rule *udev_rules_iter_next(struct udev_rules *rules)
+struct udev_rule *udev_rules_iter_next(struct udev_rules_iter *iter)
{
- static struct udev_rule *rule;
+ struct udev_rules *rules;
+ struct udev_rule *rule;
+ rules = iter->rules;
if (!rules)
return NULL;
- dbg("current=%zi\n", rules->current);
- if (rules->current >= rules->bufsize) {
- dbg("no more rules\n");
+ dbg(iter->rules->udev, "current=%zi\n", iter->current);
+ if (iter->current >= rules->bufsize) {
+ dbg(iter->rules->udev, "no more rules\n");
return NULL;
}
/* get next rule */
- rule = (struct udev_rule *) (rules->buf + rules->current);
- rules->current += sizeof(struct udev_rule) + rule->bufsize;
+ rule = (struct udev_rule *) (rules->buf + iter->current);
+ iter->current += sizeof(struct udev_rule) + rule->bufsize;
return rule;
}
-struct udev_rule *udev_rules_iter_label(struct udev_rules *rules, const char *label)
+struct udev_rule *udev_rules_iter_label(struct udev_rules_iter *iter, const char *label)
{
- static struct udev_rule *rule;
- size_t start = rules->current;
+ struct udev_rule *rule;
+ struct udev_rules *rules = iter->rules;
+ size_t start = iter->current;
next:
- dbg("current=%zi\n", rules->current);
- if (rules->current >= rules->bufsize) {
- err("LABEL='%s' not found, GOTO will be ignored\n", label);
- rules->current = start;
+ dbg(iter->rules->udev, "current=%zi\n", iter->current);
+ if (iter->current >= rules->bufsize) {
+ err(rules->udev, "LABEL='%s' not found, GOTO will be ignored\n", label);
+ iter->current = start;
return NULL;
}
- rule = (struct udev_rule *) (rules->buf + rules->current);
+ rule = (struct udev_rule *) (rules->buf + iter->current);
if (strcmp(&rule->buf[rule->label.val_off], label) != 0) {
- dbg("moving forward, looking for label '%s'\n", label);
- rules->current += sizeof(struct udev_rule) + rule->bufsize;
+ dbg(rules->udev, "moving forward, looking for label '%s'\n", label);
+ iter->current += sizeof(struct udev_rule) + rule->bufsize;
goto next;
}
- dbg("found label '%s'\n", label);
+ dbg(rules->udev, "found label '%s'\n", label);
return rule;
}
-static int get_key(char **line, char **key, enum key_operation *operation, char **value)
+static int get_key(struct udev_rules *rules, char **line, char **key, enum key_operation *operation, char **value)
{
char *linepos;
char *temp;
if (linepos[0] == '=' && linepos[1] == '=') {
*operation = KEY_OP_MATCH;
linepos += 2;
- dbg("operator=match\n");
+ dbg(rules->udev, "operator=match\n");
} else if (linepos[0] == '!' && linepos[1] == '=') {
*operation = KEY_OP_NOMATCH;
linepos += 2;
- dbg("operator=nomatch\n");
+ dbg(rules->udev, "operator=nomatch\n");
} else if (linepos[0] == '+' && linepos[1] == '=') {
*operation = KEY_OP_ADD;
linepos += 2;
- dbg("operator=add\n");
+ dbg(rules->udev, "operator=add\n");
} else if (linepos[0] == '=') {
*operation = KEY_OP_ASSIGN;
linepos++;
- dbg("operator=assign\n");
+ dbg(rules->udev, "operator=assign\n");
} else if (linepos[0] == ':' && linepos[1] == '=') {
*operation = KEY_OP_ASSIGN_FINAL;
linepos += 2;
- dbg("operator=assign_final\n");
+ dbg(rules->udev, "operator=assign_final\n");
} else
return -1;
/* terminate key */
temp[0] = '\0';
- dbg("key='%s'\n", *key);
+ dbg(rules->udev, "key='%s'\n", *key);
/* skip whitespace after operator */
while (isspace(linepos[0]))
return -1;
temp[0] = '\0';
temp++;
- dbg("value='%s'\n", *value);
+ dbg(rules->udev, "value='%s'\n", *value);
/* move line to next key */
*line = temp;
}
/* extract possible KEY{attr} */
-static char *get_key_attribute(char *str)
+static char *get_key_attribute(struct udev_rules *rules, char *str)
{
char *pos;
char *attr;
attr++;
pos = strchr(attr, '}');
if (pos == NULL) {
- err("missing closing brace for format\n");
+ err(rules->udev, "missing closing brace for format\n");
return NULL;
}
pos[0] = '\0';
- dbg("attribute='%s'\n", attr);
+ dbg(rules->udev, "attribute='%s'\n", attr);
return attr;
}
return 0;
}
-static int add_rule_key_pair(struct udev_rule *rule, struct key_pairs *pairs,
+static int add_rule_key_pair(struct udev_rules *rules, struct udev_rule *rule, struct key_pairs *pairs,
enum key_operation operation, const char *key, const char *value)
{
size_t key_len = strnlen(key, PATH_SIZE);
if (pairs->count >= PAIRS_MAX) {
- err("skip, too many keys of the same type in a single rule\n");
+ err(rules->udev, "skip, too many keys of the same type in a single rule\n");
return -1;
}
char *value;
enum key_operation operation = KEY_OP_UNSET;
- retval = get_key(&linepos, &key, &operation, &value);
+ retval = get_key(rules, &linepos, &key, &operation, &value);
if (retval)
break;
if (strcasecmp(key, "ACTION") == 0) {
if (operation != KEY_OP_MATCH &&
operation != KEY_OP_NOMATCH) {
- err("invalid ACTION operation\n");
+ err(rules->udev, "invalid ACTION operation\n");
goto invalid;
}
add_rule_key(rule, &rule->action, operation, value);
if (strcasecmp(key, "DEVPATH") == 0) {
if (operation != KEY_OP_MATCH &&
operation != KEY_OP_NOMATCH) {
- err("invalid DEVPATH operation\n");
+ err(rules->udev, "invalid DEVPATH operation\n");
goto invalid;
}
add_rule_key(rule, &rule->devpath, operation, value);
if (strcasecmp(key, "KERNEL") == 0) {
if (operation != KEY_OP_MATCH &&
operation != KEY_OP_NOMATCH) {
- err("invalid KERNEL operation\n");
+ err(rules->udev, "invalid KERNEL operation\n");
goto invalid;
}
add_rule_key(rule, &rule->kernel, operation, value);
if (strcasecmp(key, "SUBSYSTEM") == 0) {
if (operation != KEY_OP_MATCH &&
operation != KEY_OP_NOMATCH) {
- err("invalid SUBSYSTEM operation\n");
+ err(rules->udev, "invalid SUBSYSTEM operation\n");
goto invalid;
}
/* bus, class, subsystem events should all be the same */
strcmp(value, "bus") == 0 ||
strcmp(value, "class") == 0) {
if (strcmp(value, "bus") == 0 || strcmp(value, "class") == 0)
- err("'%s' must be specified as 'subsystem' \n"
+ err(rules->udev, "'%s' must be specified as 'subsystem' \n"
"please fix it in %s:%u", value, filename, lineno);
add_rule_key(rule, &rule->subsystem, operation, "subsystem|class|bus");
} else
if (strcasecmp(key, "DRIVER") == 0) {
if (operation != KEY_OP_MATCH &&
operation != KEY_OP_NOMATCH) {
- err("invalid DRIVER operation\n");
+ err(rules->udev, "invalid DRIVER operation\n");
goto invalid;
}
add_rule_key(rule, &rule->driver, operation, value);
}
if (strncasecmp(key, "ATTR{", sizeof("ATTR{")-1) == 0) {
- attr = get_key_attribute(key + sizeof("ATTR")-1);
+ attr = get_key_attribute(rules, key + sizeof("ATTR")-1);
if (attr == NULL) {
- err("error parsing ATTR attribute\n");
+ err(rules->udev, "error parsing ATTR attribute\n");
goto invalid;
}
- if (add_rule_key_pair(rule, &rule->attr, operation, attr, value) != 0)
+ if (add_rule_key_pair(rules, rule, &rule->attr, operation, attr, value) != 0)
goto invalid;
valid = 1;
continue;
strcasecmp(key, "ID") == 0) {
if (operation != KEY_OP_MATCH &&
operation != KEY_OP_NOMATCH) {
- err("invalid KERNELS operation\n");
+ err(rules->udev, "invalid KERNELS operation\n");
goto invalid;
}
add_rule_key(rule, &rule->kernels, operation, value);
strcasecmp(key, "BUS") == 0) {
if (operation != KEY_OP_MATCH &&
operation != KEY_OP_NOMATCH) {
- err("invalid SUBSYSTEMS operation\n");
+ err(rules->udev, "invalid SUBSYSTEMS operation\n");
goto invalid;
}
add_rule_key(rule, &rule->subsystems, operation, value);
if (strcasecmp(key, "DRIVERS") == 0) {
if (operation != KEY_OP_MATCH &&
operation != KEY_OP_NOMATCH) {
- err("invalid DRIVERS operation\n");
+ err(rules->udev, "invalid DRIVERS operation\n");
goto invalid;
}
add_rule_key(rule, &rule->drivers, operation, value);
strncasecmp(key, "SYSFS{", sizeof("SYSFS{")-1) == 0) {
if (operation != KEY_OP_MATCH &&
operation != KEY_OP_NOMATCH) {
- err("invalid ATTRS operation\n");
+ err(rules->udev, "invalid ATTRS operation\n");
goto invalid;
}
- attr = get_key_attribute(key + sizeof("ATTRS")-1);
+ attr = get_key_attribute(rules, key + sizeof("ATTRS")-1);
if (attr == NULL) {
- err("error parsing ATTRS attribute\n");
+ err(rules->udev, "error parsing ATTRS attribute\n");
goto invalid;
}
if (strncmp(attr, "device/", 7) == 0)
- err("the 'device' link is deprecated and will be removed from a future kernel, \n"
+ err(rules->udev, "the 'device' link is deprecated and will be removed from a future kernel, \n"
"please fix it in %s:%u", filename, lineno);
else if (strstr(attr, "../") != NULL)
- err("do not reference parent sysfs directories directly, that may break with a future kernel, \n"
+ err(rules->udev, "do not reference parent sysfs directories directly, that may break with a future kernel, \n"
"please fix it in %s:%u", filename, lineno);
- if (add_rule_key_pair(rule, &rule->attrs, operation, attr, value) != 0)
+ if (add_rule_key_pair(rules, rule, &rule->attrs, operation, attr, value) != 0)
goto invalid;
valid = 1;
continue;
}
if (strncasecmp(key, "ENV{", sizeof("ENV{")-1) == 0) {
- attr = get_key_attribute(key + sizeof("ENV")-1);
+ attr = get_key_attribute(rules, key + sizeof("ENV")-1);
if (attr == NULL) {
- err("error parsing ENV attribute\n");
+ err(rules->udev, "error parsing ENV attribute\n");
goto invalid;
}
if (strncmp(attr, "PHYSDEV", 7) == 0)
physdev = 1;
- if (add_rule_key_pair(rule, &rule->env, operation, attr, value) != 0)
+ if (add_rule_key_pair(rules, rule, &rule->env, operation, attr, value) != 0)
goto invalid;
valid = 1;
continue;
if (strcasecmp(key, "RESULT") == 0) {
if (operation != KEY_OP_MATCH &&
operation != KEY_OP_NOMATCH) {
- err("invalid RESULT operation\n");
+ err(rules->udev, "invalid RESULT operation\n");
goto invalid;
}
add_rule_key(rule, &rule->result, operation, value);
}
if (strncasecmp(key, "IMPORT", sizeof("IMPORT")-1) == 0) {
- attr = get_key_attribute(key + sizeof("IMPORT")-1);
+ attr = get_key_attribute(rules, key + sizeof("IMPORT")-1);
if (attr != NULL && strstr(attr, "program")) {
- dbg("IMPORT will be executed\n");
+ dbg(rules->udev, "IMPORT will be executed\n");
rule->import_type = IMPORT_PROGRAM;
} else if (attr != NULL && strstr(attr, "file")) {
- dbg("IMPORT will be included as file\n");
+ dbg(rules->udev, "IMPORT will be included as file\n");
rule->import_type = IMPORT_FILE;
} else if (attr != NULL && strstr(attr, "parent")) {
- dbg("IMPORT will include the parent values\n");
+ dbg(rules->udev, "IMPORT will include the parent values\n");
rule->import_type = IMPORT_PARENT;
} else {
/* figure it out if it is executable */
pos[0] = '\0';
}
- dbg("IMPORT auto mode for '%s'\n", file);
+ dbg(rules->udev, "IMPORT auto mode for '%s'\n", file);
if (!lstat(file, &statbuf) && (statbuf.st_mode & S_IXUSR)) {
- dbg("IMPORT is executable, will be executed (autotype)\n");
+ dbg(rules->udev, "IMPORT is executable, will be executed (autotype)\n");
rule->import_type = IMPORT_PROGRAM;
} else {
- dbg("IMPORT is not executable, will be included as file (autotype)\n");
+ dbg(rules->udev, "IMPORT is not executable, will be included as file (autotype)\n");
rule->import_type = IMPORT_FILE;
}
}
if (strncasecmp(key, "TEST", sizeof("TEST")-1) == 0) {
if (operation != KEY_OP_MATCH &&
operation != KEY_OP_NOMATCH) {
- err("invalid TEST operation\n");
+ err(rules->udev, "invalid TEST operation\n");
goto invalid;
}
- attr = get_key_attribute(key + sizeof("TEST")-1);
+ attr = get_key_attribute(rules, key + sizeof("TEST")-1);
if (attr != NULL)
rule->test_mode_mask = strtol(attr, NULL, 8);
add_rule_key(rule, &rule->test, operation, value);
}
if (strncasecmp(key, "RUN", sizeof("RUN")-1) == 0) {
- attr = get_key_attribute(key + sizeof("RUN")-1);
+ attr = get_key_attribute(rules, key + sizeof("RUN")-1);
if (attr != NULL) {
if (strstr(attr, "ignore_error"))
rule->run_ignore_error = 1;
}
if (strncasecmp(key, "NAME", sizeof("NAME")-1) == 0) {
- attr = get_key_attribute(key + sizeof("NAME")-1);
+ attr = get_key_attribute(rules, key + sizeof("NAME")-1);
if (attr != NULL) {
if (strstr(attr, "all_partitions") != NULL) {
- dbg("creation of partition nodes requested\n");
+ dbg(rules->udev, "creation of partition nodes requested\n");
rule->partitions = DEFAULT_PARTITIONS_COUNT;
}
if (strstr(attr, "ignore_remove") != NULL) {
- dbg("remove event should be ignored\n");
+ dbg(rules->udev, "remove event should be ignored\n");
rule->ignore_remove = 1;
}
}
if (value[0] == '\0')
- dbg("name empty, node creation supressed\n");
+ dbg(rules->udev, "name empty, node creation supressed\n");
add_rule_key(rule, &rule->name, operation, value);
continue;
}
strtoul(value, &endptr, 10);
if (endptr[0] != '\0') {
char owner[32];
- uid_t uid = lookup_user(value);
- dbg("replacing username='%s' by id=%i\n", value, uid);
+ uid_t uid = lookup_user(rules->udev, value);
+ dbg(rules->udev, "replacing username='%s' by id=%i\n", value, uid);
sprintf(owner, "%u", (unsigned int) uid);
add_rule_key(rule, &rule->owner, operation, owner);
continue;
strtoul(value, &endptr, 10);
if (endptr[0] != '\0') {
char group[32];
- gid_t gid = lookup_group(value);
- dbg("replacing groupname='%s' by id=%i\n", value, gid);
+ gid_t gid = lookup_group(rules->udev, value);
+ dbg(rules->udev, "replacing groupname='%s' by id=%i\n", value, gid);
sprintf(group, "%u", (unsigned int) gid);
add_rule_key(rule, &rule->group, operation, group);
continue;
const char *pos;
if (strstr(value, "last_rule") != NULL) {
- dbg("last rule to be applied\n");
+ dbg(rules->udev, "last rule to be applied\n");
rule->last_rule = 1;
}
if (strstr(value, "ignore_device") != NULL) {
- dbg("device should be ignored\n");
+ dbg(rules->udev, "device should be ignored\n");
rule->ignore_device = 1;
}
if (strstr(value, "ignore_remove") != NULL) {
- dbg("remove event should be ignored\n");
+ dbg(rules->udev, "remove event should be ignored\n");
rule->ignore_remove = 1;
}
pos = strstr(value, "link_priority=");
if (pos != NULL) {
rule->link_priority = atoi(&pos[strlen("link_priority=")]);
- dbg("link priority=%i\n", rule->link_priority);
+ dbg(rules->udev, "link priority=%i\n", rule->link_priority);
}
pos = strstr(value, "event_timeout=");
if (pos != NULL) {
rule->event_timeout = atoi(&pos[strlen("event_timeout=")]);
- dbg("event timout=%i\n", rule->event_timeout);
+ dbg(rules->udev, "event timout=%i\n", rule->event_timeout);
}
pos = strstr(value, "string_escape=");
if (pos != NULL) {
rule->string_escape = ESCAPE_REPLACE;
}
if (strstr(value, "all_partitions") != NULL) {
- dbg("creation of partition nodes requested\n");
+ dbg(rules->udev, "creation of partition nodes requested\n");
rule->partitions = DEFAULT_PARTITIONS_COUNT;
}
valid = 1;
continue;
}
- err("unknown key '%s' in %s:%u\n", key, filename, lineno);
+ err(rules->udev, "unknown key '%s' in %s:%u\n", key, filename, lineno);
}
if (physdev && rule->wait_for.operation == KEY_OP_UNSET)
- err("PHYSDEV* values are deprecated and will be removed from a future kernel, \n"
+ err(rules->udev, "PHYSDEV* values are deprecated and will be removed from a future kernel, \n"
"please fix it in %s:%u", filename, lineno);
/* skip line if not any valid key was found */
/* grow buffer and add rule */
rule_size = sizeof(struct udev_rule) + rule->bufsize;
padding = (sizeof(size_t) - rule_size % sizeof(size_t)) % sizeof(size_t);
- dbg("add %zi padding bytes\n", padding);
+ dbg(rules->udev, "add %zi padding bytes\n", padding);
rule_size += padding;
rule->bufsize += padding;
rules->buf = realloc(rules->buf, rules->bufsize + rule_size);
if (!rules->buf) {
- err("realloc failed\n");
+ err(rules->udev, "realloc failed\n");
goto exit;
}
- dbg("adding rule to offset %zi\n", rules->bufsize);
+ dbg(rules->udev, "adding rule to offset %zi\n", rules->bufsize);
memcpy(rules->buf + rules->bufsize, rule, rule_size);
rules->bufsize += rule_size;
exit:
return 0;
invalid:
- err("invalid rule '%s:%u'\n", filename, lineno);
+ err(rules->udev, "invalid rule '%s:%u'\n", filename, lineno);
return -1;
}
int retval = 0;
if (file_map(filename, &buf, &bufsize) != 0) {
- err("can't open '%s' as rules file: %s\n", filename, strerror(errno));
+ err(rules->udev, "can't open '%s' as rules file: %s\n", filename, strerror(errno));
return -1;
}
- info("reading '%s' as rules file\n", filename);
+ info(rules->udev, "reading '%s' as rules file\n", filename);
/* loop through the whole file */
cur = 0;
continue;
if (count >= sizeof(line)) {
- err("line too long, rule skipped '%s:%u'\n", filename, lineno);
+ err(rules->udev, "line too long, rule skipped '%s:%u'\n", filename, lineno);
continue;
}
}
line[j] = '\0';
- dbg("read '%s'\n", line);
+ dbg(rules->udev, "read '%s'\n", line);
add_to_rules(rules, line, filename, lineno);
}
return retval;
}
-int udev_rules_init(struct udev_rules *rules, int resolve_names)
+int udev_rules_init(struct udev *udev, struct udev_rules *rules, int resolve_names)
{
struct stat statbuf;
char filename[PATH_MAX];
int retval = 0;
memset(rules, 0x00, sizeof(struct udev_rules));
+ rules->udev = udev;
rules->resolve_names = resolve_names;
- if (udev_rules_dir[0] != '\0') {
+ if (udev_get_rules_path(udev) != NULL) {
/* custom rules location for testing */
- add_matching_files(&name_list, udev_rules_dir, ".rules");
+ add_matching_files(udev, &name_list, udev_get_rules_path(udev), ".rules");
} else {
/* read user/custom rules */
- add_matching_files(&name_list, SYSCONFDIR "/udev/rules.d", ".rules");
+ add_matching_files(udev, &name_list, SYSCONFDIR "/udev/rules.d", ".rules");
/* read dynamic/temporary rules */
- strlcpy(filename, udev_root, sizeof(filename));
+ strlcpy(filename, udev_get_dev_path(udev), sizeof(filename));
strlcat(filename, "/.udev/rules.d", sizeof(filename));
if (stat(filename, &statbuf) != 0) {
- create_path(filename);
- selinux_setfscreatecon(filename, NULL, S_IFDIR|0755);
+ create_path(udev, filename);
+ selinux_setfscreatecon(udev, filename, NULL, S_IFDIR|0755);
mkdir(filename, 0755);
- selinux_resetfscreatecon();
+ selinux_resetfscreatecon(udev);
}
- add_matching_files(&sort_list, filename, ".rules");
+ add_matching_files(udev, &sort_list, filename, ".rules");
/* read default rules */
- add_matching_files(&sort_list, UDEV_PREFIX "/lib/udev/rules.d", ".rules");
+ add_matching_files(udev, &sort_list, UDEV_PREFIX "/lib/udev/rules.d", ".rules");
/* sort all rules files by basename into list of files */
list_for_each_entry_safe(sort_loop, sort_tmp, &sort_list, node) {
continue;
if (strcmp(name_base, sort_base) == 0) {
- info("rule file '%s' already added, ignoring '%s'\n",
+ info(udev, "rule file '%s' already added, ignoring '%s'\n",
name_loop->name, sort_loop->name);
list_del(&sort_loop->node);
free(sort_loop);
if (statbuf.st_size)
parse_file(rules, name_loop->name);
else
- dbg("empty rules file '%s'\n", name_loop->name);
+ dbg(udev, "empty rules file '%s'\n", name_loop->name);
} else
- err("could not read '%s': %s\n", name_loop->name, strerror(errno));
+ err(udev, "could not read '%s': %s\n", name_loop->name, strerror(errno));
list_del(&name_loop->node);
free(name_loop);
}
~ianmdlvl / elogind.git / blobdiff