- char *linepos;
- char *attr;
- struct rule_tmp rule_tmp;
-
- memset(&rule_tmp, 0x00, sizeof(struct rule_tmp));
- rule_tmp.rules = rules;
- rule_tmp.rule.type = TK_RULE;
- rule_tmp.rule.rule.filename_off = filename_off;
- rule_tmp.rule.rule.filename_line = lineno;
-
- linepos = line;
- for (;;) {
- char *key;
- char *value;
- enum operation_type op;
-
- if (get_key(rules->udev, &linepos, &key, &op, &value) != 0)
- break;
-
- if (strcmp(key, "ACTION") == 0) {
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid ACTION operation\n");
- goto invalid;
- }
- rule_add_key(&rule_tmp, TK_M_ACTION, op, value, NULL);
- continue;
- }
-
- if (strcmp(key, "DEVPATH") == 0) {
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid DEVPATH operation\n");
- goto invalid;
- }
- rule_add_key(&rule_tmp, TK_M_DEVPATH, op, value, NULL);
- continue;
- }
-
- if (strcmp(key, "KERNEL") == 0) {
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid KERNEL operation\n");
- goto invalid;
- }
- rule_add_key(&rule_tmp, TK_M_KERNEL, op, value, NULL);
- continue;
- }
-
- if (strcmp(key, "SUBSYSTEM") == 0) {
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid SUBSYSTEM operation\n");
- goto invalid;
- }
- /* bus, class, subsystem events should all be the same */
- if (strcmp(value, "subsystem") == 0 ||
- strcmp(value, "bus") == 0 ||
- strcmp(value, "class") == 0) {
- if (strcmp(value, "bus") == 0 || strcmp(value, "class") == 0)
- err(rules->udev, "'%s' must be specified as 'subsystem' \n"
- "please fix it in %s:%u", value, filename, lineno);
- rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, "subsystem|class|bus", NULL);
- } else
- rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, value, NULL);
- continue;
- }
-
- if (strcmp(key, "DRIVER") == 0) {
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid DRIVER operation\n");
- goto invalid;
- }
- rule_add_key(&rule_tmp, TK_M_DRIVER, op, value, NULL);
- continue;
- }
-
- if (strncmp(key, "ATTR{", sizeof("ATTR{")-1) == 0) {
- attr = get_key_attribute(rules->udev, key + sizeof("ATTR")-1);
- if (attr == NULL) {
- err(rules->udev, "error parsing ATTR attribute\n");
- goto invalid;
- }
- if (op < OP_MATCH_MAX) {
- rule_add_key(&rule_tmp, TK_M_ATTR, op, value, attr);
- } else {
- rule_add_key(&rule_tmp, TK_A_ATTR, op, value, attr);
- }
- continue;
- }
-
- if (strcmp(key, "KERNELS") == 0) {
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid KERNELS operation\n");
- goto invalid;
- }
- rule_add_key(&rule_tmp, TK_M_KERNELS, op, value, NULL);
- continue;
- }
-
- if (strcmp(key, "SUBSYSTEMS") == 0) {
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid SUBSYSTEMS operation\n");
- goto invalid;
- }
- rule_add_key(&rule_tmp, TK_M_SUBSYSTEMS, op, value, NULL);
- continue;
- }
-
- if (strcmp(key, "DRIVERS") == 0) {
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid DRIVERS operation\n");
- goto invalid;
- }
- rule_add_key(&rule_tmp, TK_M_DRIVERS, op, value, NULL);
- continue;
- }
-
- if (strncmp(key, "ATTRS{", sizeof("ATTRS{")-1) == 0) {
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid ATTRS operation\n");
- goto invalid;
- }
- attr = get_key_attribute(rules->udev, key + sizeof("ATTRS")-1);
- if (attr == NULL) {
- err(rules->udev, "error parsing ATTRS attribute\n");
- goto invalid;
- }
- if (strncmp(attr, "device/", 7) == 0)
- err(rules->udev, "the 'device' link may not be available in a future kernel, "
- "please fix it in %s:%u", filename, lineno);
- else if (strstr(attr, "../") != NULL)
- err(rules->udev, "do not reference parent sysfs directories directly, "
- "it may break with a future kernel, please fix it in %s:%u", filename, lineno);
- rule_add_key(&rule_tmp, TK_M_ATTRS, op, value, attr);
- continue;
- }
-
- if (strcmp(key, "TAGS") == 0) {
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid TAGS operation\n");
- goto invalid;
- }
- rule_add_key(&rule_tmp, TK_M_TAGS, op, value, NULL);
- continue;
- }
-
- if (strncmp(key, "ENV{", sizeof("ENV{")-1) == 0) {
- attr = get_key_attribute(rules->udev, key + sizeof("ENV")-1);
- if (attr == NULL) {
- err(rules->udev, "error parsing ENV attribute\n");
- goto invalid;
- }
- if (op < OP_MATCH_MAX) {
- if (rule_add_key(&rule_tmp, TK_M_ENV, op, value, attr) != 0)
- goto invalid;
- } else {
- static const char *blacklist[] = {
- "ACTION",
- "SUBSYSTEM",
- "DEVTYPE",
- "MAJOR",
- "MINOR",
- "DRIVER",
- "IFINDEX",
- "DEVNAME",
- "DEVLINKS",
- "DEVPATH",
- "TAGS",
- };
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(blacklist); i++)
- if (strcmp(attr, blacklist[i]) == 0) {
- err(rules->udev, "invalid ENV attribute, '%s' can not be set %s:%u\n", attr, filename, lineno);
- continue;
- }
- if (rule_add_key(&rule_tmp, TK_A_ENV, op, value, attr) != 0)
- goto invalid;
- }
- continue;
- }
-
- if (strcmp(key, "TAG") == 0) {
- if (op < OP_MATCH_MAX)
- rule_add_key(&rule_tmp, TK_M_TAG, op, value, NULL);
- else
- rule_add_key(&rule_tmp, TK_A_TAG, op, value, NULL);
- continue;
- }
-
- if (strcmp(key, "PROGRAM") == 0) {
- rule_add_key(&rule_tmp, TK_M_PROGRAM, op, value, NULL);
- continue;
- }
-
- if (strcmp(key, "RESULT") == 0) {
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid RESULT operation\n");
- goto invalid;
- }
- rule_add_key(&rule_tmp, TK_M_RESULT, op, value, NULL);
- continue;
- }
-
- if (strncmp(key, "IMPORT", sizeof("IMPORT")-1) == 0) {
- attr = get_key_attribute(rules->udev, key + sizeof("IMPORT")-1);
- if (attr == NULL) {
- err(rules->udev, "IMPORT{} type missing, ignoring IMPORT %s:%u\n", filename, lineno);
- continue;
- }
- if (strstr(attr, "program")) {
- /* find known built-in command */
- if (value[0] != '/') {
- enum udev_builtin_cmd cmd;
-
- cmd = udev_builtin_lookup(value);
- if (cmd < UDEV_BUILTIN_MAX) {
- info(rules->udev, "IMPORT found builtin '%s', replacing %s:%u\n",
- value, filename, lineno);
- rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
- continue;
- }
- }
- dbg(rules->udev, "IMPORT will be executed\n");
- rule_add_key(&rule_tmp, TK_M_IMPORT_PROG, op, value, NULL);
- } else if (strstr(attr, "builtin")) {
- enum udev_builtin_cmd cmd = udev_builtin_lookup(value);
-
- dbg(rules->udev, "IMPORT execute builtin\n");
- if (cmd < UDEV_BUILTIN_MAX)
- rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
- else
- err(rules->udev, "IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno);
- } else if (strstr(attr, "file")) {
- dbg(rules->udev, "IMPORT will be included as file\n");
- rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL);
- } else if (strstr(attr, "db")) {
- dbg(rules->udev, "IMPORT will include db values\n");
- rule_add_key(&rule_tmp, TK_M_IMPORT_DB, op, value, NULL);
- } else if (strstr(attr, "cmdline")) {
- dbg(rules->udev, "IMPORT will include db values\n");
- rule_add_key(&rule_tmp, TK_M_IMPORT_CMDLINE, op, value, NULL);
- } else if (strstr(attr, "parent")) {
- dbg(rules->udev, "IMPORT will include the parent values\n");
- rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL);
- }
- continue;
- }
-
- if (strncmp(key, "TEST", sizeof("TEST")-1) == 0) {
- mode_t mode = 0;
-
- if (op > OP_MATCH_MAX) {
- err(rules->udev, "invalid TEST operation\n");
- goto invalid;
- }
- attr = get_key_attribute(rules->udev, key + sizeof("TEST")-1);
- if (attr != NULL) {
- mode = strtol(attr, NULL, 8);
- rule_add_key(&rule_tmp, TK_M_TEST, op, value, &mode);
- } else {
- rule_add_key(&rule_tmp, TK_M_TEST, op, value, NULL);
- }
- continue;
- }
-
- if (strcmp(key, "RUN") == 0) {
- rule_add_key(&rule_tmp, TK_A_RUN, op, value, NULL);
- continue;
- }
-
- if (strcmp(key, "WAIT_FOR") == 0 || strcmp(key, "WAIT_FOR_SYSFS") == 0) {
- rule_add_key(&rule_tmp, TK_M_WAITFOR, 0, value, NULL);
- continue;
- }
-
- if (strcmp(key, "LABEL") == 0) {
- rule_tmp.rule.rule.label_off = add_string(rules, value);
- continue;
- }
-
- if (strcmp(key, "GOTO") == 0) {
- rule_add_key(&rule_tmp, TK_A_GOTO, 0, value, NULL);
- continue;
- }
-
- if (strncmp(key, "NAME", sizeof("NAME")-1) == 0) {
- if (op < OP_MATCH_MAX) {
- rule_add_key(&rule_tmp, TK_M_NAME, op, value, NULL);
- } else {
- if (strcmp(value, "%k") == 0) {
- err(rules->udev, "NAME=\"%%k\" is ignored, because it breaks kernel supplied names, "
- "please remove it from %s:%u\n", filename, lineno);
- continue;
- }
- if (value[0] == '\0') {
- info(rules->udev, "NAME=\"\" is ignored, because udev will not delete any device nodes, "
- "please remove it from %s:%u\n", filename, lineno);
- continue;
- }
- rule_add_key(&rule_tmp, TK_A_NAME, op, value, NULL);
- }
- rule_tmp.rule.rule.can_set_name = true;
- continue;
- }
-
- if (strncmp(key, "SYMLINK", sizeof("SYMLINK")-1) == 0) {
- if (op < OP_MATCH_MAX) {
- rule_add_key(&rule_tmp, TK_M_DEVLINK, op, value, NULL);
- } else {
- int flag = 0;
-
- attr = get_key_attribute(rules->udev, key + sizeof("SYMLINK")-1);
- if (attr != NULL && strstr(attr, "unique") != NULL)
- flag = 1;
- rule_add_key(&rule_tmp, TK_A_DEVLINK, op, value, &flag);
- }
- rule_tmp.rule.rule.can_set_name = true;
- continue;
- }
-
- if (strcmp(key, "OWNER") == 0) {
- uid_t uid;
- char *endptr;
-
- uid = strtoul(value, &endptr, 10);
- if (endptr[0] == '\0') {
- rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
- } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
- uid = add_uid(rules, value);
- rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
- } else if (rules->resolve_names >= 0) {
- rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL);
- }
- rule_tmp.rule.rule.can_set_name = true;
- continue;
- }
-
- if (strcmp(key, "GROUP") == 0) {
- gid_t gid;
- char *endptr;
-
- gid = strtoul(value, &endptr, 10);
- if (endptr[0] == '\0') {
- rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
- } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
- gid = add_gid(rules, value);
- rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
- } else if (rules->resolve_names >= 0) {
- rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL);
- }
- rule_tmp.rule.rule.can_set_name = true;
- continue;
- }
-
- if (strcmp(key, "MODE") == 0) {
- mode_t mode;
- char *endptr;
-
- mode = strtol(value, &endptr, 8);
- if (endptr[0] == '\0')
- rule_add_key(&rule_tmp, TK_A_MODE_ID, op, NULL, &mode);
- else
- rule_add_key(&rule_tmp, TK_A_MODE, op, value, NULL);
- rule_tmp.rule.rule.can_set_name = true;
- continue;
- }
-
- if (strcmp(key, "OPTIONS") == 0) {
- const char *pos;
-
- pos = strstr(value, "link_priority=");
- if (pos != NULL) {
- int prio = atoi(&pos[strlen("link_priority=")]);
-
- rule_add_key(&rule_tmp, TK_A_DEVLINK_PRIO, op, NULL, &prio);
- dbg(rules->udev, "link priority=%i\n", prio);
- }
-
- pos = strstr(value, "event_timeout=");
- if (pos != NULL) {
- int tout = atoi(&pos[strlen("event_timeout=")]);
-
- rule_add_key(&rule_tmp, TK_M_EVENT_TIMEOUT, op, NULL, &tout);
- dbg(rules->udev, "event timeout=%i\n", tout);
- }
-
- pos = strstr(value, "string_escape=");
- if (pos != NULL) {
- pos = &pos[strlen("string_escape=")];
- if (strncmp(pos, "none", strlen("none")) == 0)
- rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_NONE, op, NULL, NULL);
- else if (strncmp(pos, "replace", strlen("replace")) == 0)
- rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_REPLACE, op, NULL, NULL);
- }
-
- pos = strstr(value, "db_persist");
- if (pos != NULL)
- rule_add_key(&rule_tmp, TK_A_DB_PERSIST, op, NULL, NULL);
-
- pos = strstr(value, "nowatch");
- if (pos != NULL) {
- const int off = 0;
-
- rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &off);
- dbg(rules->udev, "inotify watch of device disabled\n");
- } else {
- pos = strstr(value, "watch");
- if (pos != NULL) {
- const int on = 1;
-
- rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &on);
- dbg(rules->udev, "inotify watch of device requested\n");
- }
- }
-
- pos = strstr(value, "static_node=");
- if (pos != NULL) {
- rule_add_key(&rule_tmp, TK_A_STATIC_NODE, op, &pos[strlen("static_node=")], NULL);
- rule_tmp.rule.rule.has_static_node = true;
- }
-
- continue;
- }
-
- err(rules->udev, "unknown key '%s' in %s:%u\n", key, filename, lineno);
- goto invalid;
- }
-
- /* add rule token */
- rule_tmp.rule.rule.token_count = 1 + rule_tmp.token_cur;
- if (add_token(rules, &rule_tmp.rule) != 0)
- goto invalid;
-
- /* add tokens to list, sorted by type */
- if (sort_token(rules, &rule_tmp) != 0)
- goto invalid;
-
- return 0;
+ char *linepos;
+ char *attr;
+ struct rule_tmp rule_tmp;
+
+ memset(&rule_tmp, 0x00, sizeof(struct rule_tmp));
+ rule_tmp.rules = rules;
+ rule_tmp.rule.type = TK_RULE;
+ rule_tmp.rule.rule.filename_off = filename_off;
+ rule_tmp.rule.rule.filename_line = lineno;
+
+ linepos = line;
+ for (;;) {
+ char *key;
+ char *value;
+ enum operation_type op;
+
+ if (get_key(rules->udev, &linepos, &key, &op, &value) != 0)
+ break;
+
+ if (strcmp(key, "ACTION") == 0) {
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid ACTION operation\n");
+ goto invalid;
+ }
+ rule_add_key(&rule_tmp, TK_M_ACTION, op, value, NULL);
+ continue;
+ }
+
+ if (strcmp(key, "DEVPATH") == 0) {
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid DEVPATH operation\n");
+ goto invalid;
+ }
+ rule_add_key(&rule_tmp, TK_M_DEVPATH, op, value, NULL);
+ continue;
+ }
+
+ if (strcmp(key, "KERNEL") == 0) {
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid KERNEL operation\n");
+ goto invalid;
+ }
+ rule_add_key(&rule_tmp, TK_M_KERNEL, op, value, NULL);
+ continue;
+ }
+
+ if (strcmp(key, "SUBSYSTEM") == 0) {
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid SUBSYSTEM operation\n");
+ goto invalid;
+ }
+ /* bus, class, subsystem events should all be the same */
+ if (strcmp(value, "subsystem") == 0 ||
+ strcmp(value, "bus") == 0 ||
+ strcmp(value, "class") == 0) {
+ if (strcmp(value, "bus") == 0 || strcmp(value, "class") == 0)
+ err(rules->udev, "'%s' must be specified as 'subsystem' \n"
+ "please fix it in %s:%u", value, filename, lineno);
+ rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, "subsystem|class|bus", NULL);
+ } else
+ rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, value, NULL);
+ continue;
+ }
+
+ if (strcmp(key, "DRIVER") == 0) {
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid DRIVER operation\n");
+ goto invalid;
+ }
+ rule_add_key(&rule_tmp, TK_M_DRIVER, op, value, NULL);
+ continue;
+ }
+
+ if (strncmp(key, "ATTR{", sizeof("ATTR{")-1) == 0) {
+ attr = get_key_attribute(rules->udev, key + sizeof("ATTR")-1);
+ if (attr == NULL) {
+ err(rules->udev, "error parsing ATTR attribute\n");
+ goto invalid;
+ }
+ if (op < OP_MATCH_MAX) {
+ rule_add_key(&rule_tmp, TK_M_ATTR, op, value, attr);
+ } else {
+ rule_add_key(&rule_tmp, TK_A_ATTR, op, value, attr);
+ }
+ continue;
+ }
+
+ if (strcmp(key, "KERNELS") == 0) {
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid KERNELS operation\n");
+ goto invalid;
+ }
+ rule_add_key(&rule_tmp, TK_M_KERNELS, op, value, NULL);
+ continue;
+ }
+
+ if (strcmp(key, "SUBSYSTEMS") == 0) {
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid SUBSYSTEMS operation\n");
+ goto invalid;
+ }
+ rule_add_key(&rule_tmp, TK_M_SUBSYSTEMS, op, value, NULL);
+ continue;
+ }
+
+ if (strcmp(key, "DRIVERS") == 0) {
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid DRIVERS operation\n");
+ goto invalid;
+ }
+ rule_add_key(&rule_tmp, TK_M_DRIVERS, op, value, NULL);
+ continue;
+ }
+
+ if (strncmp(key, "ATTRS{", sizeof("ATTRS{")-1) == 0) {
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid ATTRS operation\n");
+ goto invalid;
+ }
+ attr = get_key_attribute(rules->udev, key + sizeof("ATTRS")-1);
+ if (attr == NULL) {
+ err(rules->udev, "error parsing ATTRS attribute\n");
+ goto invalid;
+ }
+ if (strncmp(attr, "device/", 7) == 0)
+ err(rules->udev, "the 'device' link may not be available in a future kernel, "
+ "please fix it in %s:%u", filename, lineno);
+ else if (strstr(attr, "../") != NULL)
+ err(rules->udev, "do not reference parent sysfs directories directly, "
+ "it may break with a future kernel, please fix it in %s:%u", filename, lineno);
+ rule_add_key(&rule_tmp, TK_M_ATTRS, op, value, attr);
+ continue;
+ }
+
+ if (strcmp(key, "TAGS") == 0) {
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid TAGS operation\n");
+ goto invalid;
+ }
+ rule_add_key(&rule_tmp, TK_M_TAGS, op, value, NULL);
+ continue;
+ }
+
+ if (strncmp(key, "ENV{", sizeof("ENV{")-1) == 0) {
+ attr = get_key_attribute(rules->udev, key + sizeof("ENV")-1);
+ if (attr == NULL) {
+ err(rules->udev, "error parsing ENV attribute\n");
+ goto invalid;
+ }
+ if (op < OP_MATCH_MAX) {
+ if (rule_add_key(&rule_tmp, TK_M_ENV, op, value, attr) != 0)
+ goto invalid;
+ } else {
+ static const char *blacklist[] = {
+ "ACTION",
+ "SUBSYSTEM",
+ "DEVTYPE",
+ "MAJOR",
+ "MINOR",
+ "DRIVER",
+ "IFINDEX",
+ "DEVNAME",
+ "DEVLINKS",
+ "DEVPATH",
+ "TAGS",
+ };
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(blacklist); i++)
+ if (strcmp(attr, blacklist[i]) == 0) {
+ err(rules->udev, "invalid ENV attribute, '%s' can not be set %s:%u\n", attr, filename, lineno);
+ continue;
+ }
+ if (rule_add_key(&rule_tmp, TK_A_ENV, op, value, attr) != 0)
+ goto invalid;
+ }
+ continue;
+ }
+
+ if (strcmp(key, "TAG") == 0) {
+ if (op < OP_MATCH_MAX)
+ rule_add_key(&rule_tmp, TK_M_TAG, op, value, NULL);
+ else
+ rule_add_key(&rule_tmp, TK_A_TAG, op, value, NULL);
+ continue;
+ }
+
+ if (strcmp(key, "PROGRAM") == 0) {
+ rule_add_key(&rule_tmp, TK_M_PROGRAM, op, value, NULL);
+ continue;
+ }
+
+ if (strcmp(key, "RESULT") == 0) {
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid RESULT operation\n");
+ goto invalid;
+ }
+ rule_add_key(&rule_tmp, TK_M_RESULT, op, value, NULL);
+ continue;
+ }
+
+ if (strncmp(key, "IMPORT", sizeof("IMPORT")-1) == 0) {
+ attr = get_key_attribute(rules->udev, key + sizeof("IMPORT")-1);
+ if (attr == NULL) {
+ err(rules->udev, "IMPORT{} type missing, ignoring IMPORT %s:%u\n", filename, lineno);
+ continue;
+ }
+ if (strstr(attr, "program")) {
+ /* find known built-in command */
+ if (value[0] != '/') {
+ enum udev_builtin_cmd cmd;
+
+ cmd = udev_builtin_lookup(value);
+ if (cmd < UDEV_BUILTIN_MAX) {
+ info(rules->udev, "IMPORT found builtin '%s', replacing %s:%u\n",
+ value, filename, lineno);
+ rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
+ continue;
+ }
+ }
+ dbg(rules->udev, "IMPORT will be executed\n");
+ rule_add_key(&rule_tmp, TK_M_IMPORT_PROG, op, value, NULL);
+ } else if (strstr(attr, "builtin")) {
+ enum udev_builtin_cmd cmd = udev_builtin_lookup(value);
+
+ dbg(rules->udev, "IMPORT execute builtin\n");
+ if (cmd < UDEV_BUILTIN_MAX)
+ rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
+ else
+ err(rules->udev, "IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno);
+ } else if (strstr(attr, "file")) {
+ dbg(rules->udev, "IMPORT will be included as file\n");
+ rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL);
+ } else if (strstr(attr, "db")) {
+ dbg(rules->udev, "IMPORT will include db values\n");
+ rule_add_key(&rule_tmp, TK_M_IMPORT_DB, op, value, NULL);
+ } else if (strstr(attr, "cmdline")) {
+ dbg(rules->udev, "IMPORT will include db values\n");
+ rule_add_key(&rule_tmp, TK_M_IMPORT_CMDLINE, op, value, NULL);
+ } else if (strstr(attr, "parent")) {
+ dbg(rules->udev, "IMPORT will include the parent values\n");
+ rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL);
+ }
+ continue;
+ }
+
+ if (strncmp(key, "TEST", sizeof("TEST")-1) == 0) {
+ mode_t mode = 0;
+
+ if (op > OP_MATCH_MAX) {
+ err(rules->udev, "invalid TEST operation\n");
+ goto invalid;
+ }
+ attr = get_key_attribute(rules->udev, key + sizeof("TEST")-1);
+ if (attr != NULL) {
+ mode = strtol(attr, NULL, 8);
+ rule_add_key(&rule_tmp, TK_M_TEST, op, value, &mode);
+ } else {
+ rule_add_key(&rule_tmp, TK_M_TEST, op, value, NULL);
+ }
+ continue;
+ }
+
+ if (strcmp(key, "RUN") == 0) {
+ rule_add_key(&rule_tmp, TK_A_RUN, op, value, NULL);
+ continue;
+ }
+
+ if (strcmp(key, "WAIT_FOR") == 0 || strcmp(key, "WAIT_FOR_SYSFS") == 0) {
+ rule_add_key(&rule_tmp, TK_M_WAITFOR, 0, value, NULL);
+ continue;
+ }
+
+ if (strcmp(key, "LABEL") == 0) {
+ rule_tmp.rule.rule.label_off = add_string(rules, value);
+ continue;
+ }
+
+ if (strcmp(key, "GOTO") == 0) {
+ rule_add_key(&rule_tmp, TK_A_GOTO, 0, value, NULL);
+ continue;
+ }
+
+ if (strncmp(key, "NAME", sizeof("NAME")-1) == 0) {
+ if (op < OP_MATCH_MAX) {
+ rule_add_key(&rule_tmp, TK_M_NAME, op, value, NULL);
+ } else {
+ if (strcmp(value, "%k") == 0) {
+ err(rules->udev, "NAME=\"%%k\" is ignored, because it breaks kernel supplied names, "
+ "please remove it from %s:%u\n", filename, lineno);
+ continue;
+ }
+ if (value[0] == '\0') {
+ info(rules->udev, "NAME=\"\" is ignored, because udev will not delete any device nodes, "
+ "please remove it from %s:%u\n", filename, lineno);
+ continue;
+ }
+ rule_add_key(&rule_tmp, TK_A_NAME, op, value, NULL);
+ }
+ rule_tmp.rule.rule.can_set_name = true;
+ continue;
+ }
+
+ if (strncmp(key, "SYMLINK", sizeof("SYMLINK")-1) == 0) {
+ if (op < OP_MATCH_MAX) {
+ rule_add_key(&rule_tmp, TK_M_DEVLINK, op, value, NULL);
+ } else {
+ int flag = 0;
+
+ attr = get_key_attribute(rules->udev, key + sizeof("SYMLINK")-1);
+ if (attr != NULL && strstr(attr, "unique") != NULL)
+ flag = 1;
+ rule_add_key(&rule_tmp, TK_A_DEVLINK, op, value, &flag);
+ }
+ rule_tmp.rule.rule.can_set_name = true;
+ continue;
+ }
+
+ if (strcmp(key, "OWNER") == 0) {
+ uid_t uid;
+ char *endptr;
+
+ uid = strtoul(value, &endptr, 10);
+ if (endptr[0] == '\0') {
+ rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
+ } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
+ uid = add_uid(rules, value);
+ rule_add_key(&rule_tmp, TK_A_OWNER_ID, op, NULL, &uid);
+ } else if (rules->resolve_names >= 0) {
+ rule_add_key(&rule_tmp, TK_A_OWNER, op, value, NULL);
+ }
+ rule_tmp.rule.rule.can_set_name = true;
+ continue;
+ }
+
+ if (strcmp(key, "GROUP") == 0) {
+ gid_t gid;
+ char *endptr;
+
+ gid = strtoul(value, &endptr, 10);
+ if (endptr[0] == '\0') {
+ rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
+ } else if ((rules->resolve_names > 0) && strchr("$%", value[0]) == NULL) {
+ gid = add_gid(rules, value);
+ rule_add_key(&rule_tmp, TK_A_GROUP_ID, op, NULL, &gid);
+ } else if (rules->resolve_names >= 0) {
+ rule_add_key(&rule_tmp, TK_A_GROUP, op, value, NULL);
+ }
+ rule_tmp.rule.rule.can_set_name = true;
+ continue;
+ }
+
+ if (strcmp(key, "MODE") == 0) {
+ mode_t mode;
+ char *endptr;
+
+ mode = strtol(value, &endptr, 8);
+ if (endptr[0] == '\0')
+ rule_add_key(&rule_tmp, TK_A_MODE_ID, op, NULL, &mode);
+ else
+ rule_add_key(&rule_tmp, TK_A_MODE, op, value, NULL);
+ rule_tmp.rule.rule.can_set_name = true;
+ continue;
+ }
+
+ if (strcmp(key, "OPTIONS") == 0) {
+ const char *pos;
+
+ pos = strstr(value, "link_priority=");
+ if (pos != NULL) {
+ int prio = atoi(&pos[strlen("link_priority=")]);
+
+ rule_add_key(&rule_tmp, TK_A_DEVLINK_PRIO, op, NULL, &prio);
+ dbg(rules->udev, "link priority=%i\n", prio);
+ }
+
+ pos = strstr(value, "event_timeout=");
+ if (pos != NULL) {
+ int tout = atoi(&pos[strlen("event_timeout=")]);
+
+ rule_add_key(&rule_tmp, TK_M_EVENT_TIMEOUT, op, NULL, &tout);
+ dbg(rules->udev, "event timeout=%i\n", tout);
+ }
+
+ pos = strstr(value, "string_escape=");
+ if (pos != NULL) {
+ pos = &pos[strlen("string_escape=")];
+ if (strncmp(pos, "none", strlen("none")) == 0)
+ rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_NONE, op, NULL, NULL);
+ else if (strncmp(pos, "replace", strlen("replace")) == 0)
+ rule_add_key(&rule_tmp, TK_A_STRING_ESCAPE_REPLACE, op, NULL, NULL);
+ }
+
+ pos = strstr(value, "db_persist");
+ if (pos != NULL)
+ rule_add_key(&rule_tmp, TK_A_DB_PERSIST, op, NULL, NULL);
+
+ pos = strstr(value, "nowatch");
+ if (pos != NULL) {
+ const int off = 0;
+
+ rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &off);
+ dbg(rules->udev, "inotify watch of device disabled\n");
+ } else {
+ pos = strstr(value, "watch");
+ if (pos != NULL) {
+ const int on = 1;
+
+ rule_add_key(&rule_tmp, TK_A_INOTIFY_WATCH, op, NULL, &on);
+ dbg(rules->udev, "inotify watch of device requested\n");
+ }
+ }
+
+ pos = strstr(value, "static_node=");
+ if (pos != NULL) {
+ rule_add_key(&rule_tmp, TK_A_STATIC_NODE, op, &pos[strlen("static_node=")], NULL);
+ rule_tmp.rule.rule.has_static_node = true;
+ }
+
+ continue;
+ }
+
+ err(rules->udev, "unknown key '%s' in %s:%u\n", key, filename, lineno);
+ goto invalid;
+ }
+
+ /* add rule token */
+ rule_tmp.rule.rule.token_count = 1 + rule_tmp.token_cur;
+ if (add_token(rules, &rule_tmp.rule) != 0)
+ goto invalid;
+
+ /* add tokens to list, sorted by type */
+ if (sort_token(rules, &rule_tmp) != 0)
+ goto invalid;
+
+ return 0;
- struct udev_rules *rules;
- struct udev_list file_list;
- struct udev_list_entry *file_loop;
- struct token end_token;
- char **s;
-
- rules = calloc(1, sizeof(struct udev_rules));
- if (rules == NULL)
- return NULL;
- rules->udev = udev;
- rules->resolve_names = resolve_names;
- udev_list_init(udev, &file_list, true);
-
- /* init token array and string buffer */
- rules->tokens = malloc(PREALLOC_TOKEN * sizeof(struct token));
- if (rules->tokens == NULL) {
- free(rules);
- return NULL;
- }
- rules->token_max = PREALLOC_TOKEN;
-
- rules->buf = malloc(PREALLOC_STRBUF);
- if (rules->buf == NULL) {
- free(rules->tokens);
- free(rules);
- return NULL;
- }
- rules->buf_max = PREALLOC_STRBUF;
- /* offset 0 is always '\0' */
- rules->buf[0] = '\0';
- rules->buf_cur = 1;
- dbg(udev, "prealloc %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n",
- rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max);
-
- rules->trie_nodes = malloc(PREALLOC_TRIE * sizeof(struct trie_node));
- if (rules->trie_nodes == NULL) {
- free(rules->buf);
- free(rules->tokens);
- free(rules);
- return NULL;
- }
- rules->trie_nodes_max = PREALLOC_TRIE;
- /* offset 0 is the trie root, with an empty string */
- memset(rules->trie_nodes, 0x00, sizeof(struct trie_node));
- rules->trie_nodes_cur = 1;
-
- for (udev_get_rules_path(udev, &s, NULL); *s != NULL; s++)
- add_matching_files(udev, &file_list, *s, ".rules");
-
- /* add all filenames to the string buffer */
- udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) {
- const char *filename = udev_list_entry_get_value(file_loop);
- unsigned int filename_off;
-
- filename_off = add_string(rules, filename);
- /* the offset in the rule is limited to unsigned short */
- if (filename_off < USHRT_MAX)
- udev_list_entry_set_num(file_loop, filename_off);
- }
-
- /* parse all rules files */
- udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) {
- const char *filename = udev_list_entry_get_value(file_loop);
- unsigned int filename_off = udev_list_entry_get_num(file_loop);
- struct stat st;
-
- if (stat(filename, &st) != 0) {
- err(udev, "can not find '%s': %m\n", filename);
- continue;
- }
- if (S_ISREG(st.st_mode) && st.st_size <= 0) {
- info(udev, "ignore empty '%s'\n", filename);
- continue;
- }
- if (S_ISCHR(st.st_mode)) {
- info(udev, "ignore masked '%s'\n", filename);
- continue;
- }
- parse_file(rules, filename, filename_off);
- }
- udev_list_cleanup(&file_list);
-
- memset(&end_token, 0x00, sizeof(struct token));
- end_token.type = TK_END;
- add_token(rules, &end_token);
-
- /* shrink allocated token and string buffer */
- if (rules->token_cur < rules->token_max) {
- struct token *tokens;
-
- tokens = realloc(rules->tokens, rules->token_cur * sizeof(struct token));
- if (tokens != NULL || rules->token_cur == 0) {
- rules->tokens = tokens;
- rules->token_max = rules->token_cur;
- }
- }
- if (rules->buf_cur < rules->buf_max) {
- char *buf;
-
- buf = realloc(rules->buf, rules->buf_cur);
- if (buf != NULL || rules->buf_cur == 0) {
- rules->buf = buf;
- rules->buf_max = rules->buf_cur;
- }
- }
- info(udev, "rules use %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n",
- rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max);
- info(udev, "temporary index used %zu bytes (%u * %zu bytes)\n",
- rules->trie_nodes_cur * sizeof(struct trie_node),
- rules->trie_nodes_cur, sizeof(struct trie_node));
-
- /* cleanup trie */
- free(rules->trie_nodes);
- rules->trie_nodes = NULL;
- rules->trie_nodes_cur = 0;
- rules->trie_nodes_max = 0;
-
- /* cleanup uid/gid cache */
- free(rules->uids);
- rules->uids = NULL;
- rules->uids_cur = 0;
- rules->uids_max = 0;
- free(rules->gids);
- rules->gids = NULL;
- rules->gids_cur = 0;
- rules->gids_max = 0;
-
- dump_rules(rules);
- return rules;
+ struct udev_rules *rules;
+ struct udev_list file_list;
+ struct udev_list_entry *file_loop;
+ struct token end_token;
+ char **s;
+
+ rules = calloc(1, sizeof(struct udev_rules));
+ if (rules == NULL)
+ return NULL;
+ rules->udev = udev;
+ rules->resolve_names = resolve_names;
+ udev_list_init(udev, &file_list, true);
+
+ /* init token array and string buffer */
+ rules->tokens = malloc(PREALLOC_TOKEN * sizeof(struct token));
+ if (rules->tokens == NULL) {
+ free(rules);
+ return NULL;
+ }
+ rules->token_max = PREALLOC_TOKEN;
+
+ rules->buf = malloc(PREALLOC_STRBUF);
+ if (rules->buf == NULL) {
+ free(rules->tokens);
+ free(rules);
+ return NULL;
+ }
+ rules->buf_max = PREALLOC_STRBUF;
+ /* offset 0 is always '\0' */
+ rules->buf[0] = '\0';
+ rules->buf_cur = 1;
+ dbg(udev, "prealloc %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n",
+ rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max);
+
+ rules->trie_nodes = malloc(PREALLOC_TRIE * sizeof(struct trie_node));
+ if (rules->trie_nodes == NULL) {
+ free(rules->buf);
+ free(rules->tokens);
+ free(rules);
+ return NULL;
+ }
+ rules->trie_nodes_max = PREALLOC_TRIE;
+ /* offset 0 is the trie root, with an empty string */
+ memset(rules->trie_nodes, 0x00, sizeof(struct trie_node));
+ rules->trie_nodes_cur = 1;
+
+ for (udev_get_rules_path(udev, &s, NULL); *s != NULL; s++)
+ add_matching_files(udev, &file_list, *s, ".rules");
+
+ /* add all filenames to the string buffer */
+ udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) {
+ const char *filename = udev_list_entry_get_value(file_loop);
+ unsigned int filename_off;
+
+ filename_off = add_string(rules, filename);
+ /* the offset in the rule is limited to unsigned short */
+ if (filename_off < USHRT_MAX)
+ udev_list_entry_set_num(file_loop, filename_off);
+ }
+
+ /* parse all rules files */
+ udev_list_entry_foreach(file_loop, udev_list_get_entry(&file_list)) {
+ const char *filename = udev_list_entry_get_value(file_loop);
+ unsigned int filename_off = udev_list_entry_get_num(file_loop);
+ struct stat st;
+
+ if (stat(filename, &st) != 0) {
+ err(udev, "can not find '%s': %m\n", filename);
+ continue;
+ }
+ if (S_ISREG(st.st_mode) && st.st_size <= 0) {
+ info(udev, "ignore empty '%s'\n", filename);
+ continue;
+ }
+ if (S_ISCHR(st.st_mode)) {
+ info(udev, "ignore masked '%s'\n", filename);
+ continue;
+ }
+ parse_file(rules, filename, filename_off);
+ }
+ udev_list_cleanup(&file_list);
+
+ memset(&end_token, 0x00, sizeof(struct token));
+ end_token.type = TK_END;
+ add_token(rules, &end_token);
+
+ /* shrink allocated token and string buffer */
+ if (rules->token_cur < rules->token_max) {
+ struct token *tokens;
+
+ tokens = realloc(rules->tokens, rules->token_cur * sizeof(struct token));
+ if (tokens != NULL || rules->token_cur == 0) {
+ rules->tokens = tokens;
+ rules->token_max = rules->token_cur;
+ }
+ }
+ if (rules->buf_cur < rules->buf_max) {
+ char *buf;
+
+ buf = realloc(rules->buf, rules->buf_cur);
+ if (buf != NULL || rules->buf_cur == 0) {
+ rules->buf = buf;
+ rules->buf_max = rules->buf_cur;
+ }
+ }
+ info(udev, "rules use %zu bytes tokens (%u * %zu bytes), %zu bytes buffer\n",
+ rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->buf_max);
+ info(udev, "temporary index used %zu bytes (%u * %zu bytes)\n",
+ rules->trie_nodes_cur * sizeof(struct trie_node),
+ rules->trie_nodes_cur, sizeof(struct trie_node));
+
+ /* cleanup trie */
+ free(rules->trie_nodes);
+ rules->trie_nodes = NULL;
+ rules->trie_nodes_cur = 0;
+ rules->trie_nodes_max = 0;
+
+ /* cleanup uid/gid cache */
+ free(rules->uids);
+ rules->uids = NULL;
+ rules->uids_cur = 0;
+ rules->uids_max = 0;
+ free(rules->gids);
+ rules->gids = NULL;
+ rules->gids_cur = 0;
+ rules->gids_max = 0;
+
+ dump_rules(rules);
+ return rules;
- struct token *cur;
- struct token *rule;
- enum escape_type esc = ESCAPE_UNSET;
- bool can_set_name;
-
- if (rules->tokens == NULL)
- return -1;
-
- can_set_name = ((strcmp(udev_device_get_action(event->dev), "remove") != 0) &&
- (major(udev_device_get_devnum(event->dev)) > 0 ||
- udev_device_get_ifindex(event->dev) > 0));
-
- /* loop through token list, match, run actions or forward to next rule */
- cur = &rules->tokens[0];
- rule = cur;
- for (;;) {
- dump_token(rules, cur);
- switch (cur->type) {
- case TK_RULE:
- /* current rule */
- rule = cur;
- /* possibly skip rules which want to set NAME, SYMLINK, OWNER, GROUP, MODE */
- if (!can_set_name && rule->rule.can_set_name)
- goto nomatch;
- esc = ESCAPE_UNSET;
- break;
- case TK_M_ACTION:
- if (match_key(rules, cur, udev_device_get_action(event->dev)) != 0)
- goto nomatch;
- break;
- case TK_M_DEVPATH:
- if (match_key(rules, cur, udev_device_get_devpath(event->dev)) != 0)
- goto nomatch;
- break;
- case TK_M_KERNEL:
- if (match_key(rules, cur, udev_device_get_sysname(event->dev)) != 0)
- goto nomatch;
- break;
- case TK_M_DEVLINK: {
- size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
- struct udev_list_entry *list_entry;
- bool match = false;
-
- udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(event->dev)) {
- const char *devlink;
-
- devlink = &udev_list_entry_get_name(list_entry)[devlen];
- if (match_key(rules, cur, devlink) == 0) {
- match = true;
- break;
- }
- }
- if (!match)
- goto nomatch;
- break;
- }
- case TK_M_NAME:
- if (match_key(rules, cur, event->name) != 0)
- goto nomatch;
- break;
- case TK_M_ENV: {
- const char *key_name = &rules->buf[cur->key.attr_off];
- const char *value;
-
- value = udev_device_get_property_value(event->dev, key_name);
- if (value == NULL) {
- dbg(event->udev, "ENV{%s} is not set, treat as empty\n", key_name);
- value = "";
- }
- if (match_key(rules, cur, value))
- goto nomatch;
- break;
- }
- case TK_M_TAG: {
- struct udev_list_entry *list_entry;
- bool match = false;
-
- udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(event->dev)) {
- if (strcmp(&rules->buf[cur->key.value_off], udev_list_entry_get_name(list_entry)) == 0) {
- match = true;
- break;
- }
- }
- if (!match && (cur->key.op != OP_NOMATCH))
- goto nomatch;
- break;
- }
- case TK_M_SUBSYSTEM:
- if (match_key(rules, cur, udev_device_get_subsystem(event->dev)) != 0)
- goto nomatch;
- break;
- case TK_M_DRIVER:
- if (match_key(rules, cur, udev_device_get_driver(event->dev)) != 0)
- goto nomatch;
- break;
- case TK_M_WAITFOR: {
- char filename[UTIL_PATH_SIZE];
- int found;
-
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename));
- found = (wait_for_file(event->dev, filename, 10) == 0);
- if (!found && (cur->key.op != OP_NOMATCH))
- goto nomatch;
- break;
- }
- case TK_M_ATTR:
- if (match_attr(rules, event->dev, event, cur) != 0)
- goto nomatch;
- break;
- case TK_M_KERNELS:
- case TK_M_SUBSYSTEMS:
- case TK_M_DRIVERS:
- case TK_M_ATTRS:
- case TK_M_TAGS: {
- struct token *next;
-
- /* get whole sequence of parent matches */
- next = cur;
- while (next->type > TK_M_PARENTS_MIN && next->type < TK_M_PARENTS_MAX)
- next++;
-
- /* loop over parents */
- event->dev_parent = event->dev;
- for (;;) {
- struct token *key;
-
- dbg(event->udev, "parent: '%s'\n", udev_device_get_syspath(event->dev_parent));
- /* loop over sequence of parent match keys */
- for (key = cur; key < next; key++ ) {
- dump_token(rules, key);
- switch(key->type) {
- case TK_M_KERNELS:
- if (match_key(rules, key, udev_device_get_sysname(event->dev_parent)) != 0)
- goto try_parent;
- break;
- case TK_M_SUBSYSTEMS:
- if (match_key(rules, key, udev_device_get_subsystem(event->dev_parent)) != 0)
- goto try_parent;
- break;
- case TK_M_DRIVERS:
- if (match_key(rules, key, udev_device_get_driver(event->dev_parent)) != 0)
- goto try_parent;
- break;
- case TK_M_ATTRS:
- if (match_attr(rules, event->dev_parent, event, key) != 0)
- goto try_parent;
- break;
- case TK_M_TAGS: {
- bool match = udev_device_has_tag(event->dev_parent, &rules->buf[cur->key.value_off]);
-
- if (match && key->key.op == OP_NOMATCH)
- goto try_parent;
- if (!match && key->key.op == OP_MATCH)
- goto try_parent;
- break;
- }
- default:
- goto nomatch;
- }
- dbg(event->udev, "parent key matched\n");
- }
- dbg(event->udev, "all parent keys matched\n");
- break;
-
- try_parent:
- event->dev_parent = udev_device_get_parent(event->dev_parent);
- if (event->dev_parent == NULL)
- goto nomatch;
- }
- /* move behind our sequence of parent match keys */
- cur = next;
- continue;
- }
- case TK_M_TEST: {
- char filename[UTIL_PATH_SIZE];
- struct stat statbuf;
- int match;
-
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename));
- if (util_resolve_subsys_kernel(event->udev, filename, filename, sizeof(filename), 0) != 0) {
- if (filename[0] != '/') {
- char tmp[UTIL_PATH_SIZE];
-
- util_strscpy(tmp, sizeof(tmp), filename);
- util_strscpyl(filename, sizeof(filename),
- udev_device_get_syspath(event->dev), "/", tmp, NULL);
- }
- }
- attr_subst_subdir(filename, sizeof(filename));
-
- match = (stat(filename, &statbuf) == 0);
- dbg(event->udev, "'%s' %s", filename, match ? "exists\n" : "does not exist\n");
- if (match && cur->key.mode > 0) {
- match = ((statbuf.st_mode & cur->key.mode) > 0);
- dbg(event->udev, "'%s' has mode=%#o and %s %#o\n", filename, statbuf.st_mode,
- match ? "matches" : "does not match", cur->key.mode);
- }
- if (match && cur->key.op == OP_NOMATCH)
- goto nomatch;
- if (!match && cur->key.op == OP_MATCH)
- goto nomatch;
- break;
- }
- case TK_M_EVENT_TIMEOUT:
- info(event->udev, "OPTIONS event_timeout=%u\n", cur->key.event_timeout);
- event->timeout_usec = cur->key.event_timeout * 1000 * 1000;
- break;
- case TK_M_PROGRAM: {
- char program[UTIL_PATH_SIZE];
- char **envp;
- char result[UTIL_PATH_SIZE];
-
- free(event->program_result);
- event->program_result = NULL;
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], program, sizeof(program));
- envp = udev_device_get_properties_envp(event->dev);
- info(event->udev, "PROGRAM '%s' %s:%u\n",
- program,
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
-
- if (udev_event_spawn(event, program, envp, sigmask, result, sizeof(result)) < 0) {
- if (cur->key.op != OP_NOMATCH)
- goto nomatch;
- } else {
- int count;
-
- util_remove_trailing_chars(result, '\n');
- if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
- count = util_replace_chars(result, UDEV_ALLOWED_CHARS_INPUT);
- if (count > 0)
- info(event->udev, "%i character(s) replaced\n" , count);
- }
- event->program_result = strdup(result);
- dbg(event->udev, "storing result '%s'\n", event->program_result);
- if (cur->key.op == OP_NOMATCH)
- goto nomatch;
- }
- break;
- }
- case TK_M_IMPORT_FILE: {
- char import[UTIL_PATH_SIZE];
-
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
- if (import_file_into_properties(event->dev, import) != 0)
- if (cur->key.op != OP_NOMATCH)
- goto nomatch;
- break;
- }
- case TK_M_IMPORT_PROG: {
- char import[UTIL_PATH_SIZE];
-
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
- info(event->udev, "IMPORT '%s' %s:%u\n",
- import,
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
-
- if (import_program_into_properties(event, import, sigmask) != 0)
- if (cur->key.op != OP_NOMATCH)
- goto nomatch;
- break;
- }
- case TK_M_IMPORT_BUILTIN: {
- char command[UTIL_PATH_SIZE];
-
- if (udev_builtin_run_once(cur->key.builtin_cmd)) {
- /* check if we ran already */
- if (event->builtin_run & (1 << cur->key.builtin_cmd)) {
- info(event->udev, "IMPORT builtin skip '%s' %s:%u\n",
- udev_builtin_name(cur->key.builtin_cmd),
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
- /* return the result from earlier run */
- if (event->builtin_ret & (1 << cur->key.builtin_cmd))
- if (cur->key.op != OP_NOMATCH)
- goto nomatch;
- break;
- }
- /* mark as ran */
- event->builtin_run |= (1 << cur->key.builtin_cmd);
- }
-
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], command, sizeof(command));
- info(event->udev, "IMPORT builtin '%s' %s:%u\n",
- udev_builtin_name(cur->key.builtin_cmd),
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
-
- if (udev_builtin_run(event->dev, cur->key.builtin_cmd, command, false) != 0) {
- /* remember failure */
- info(rules->udev, "IMPORT builtin '%s' returned non-zero\n",
- udev_builtin_name(cur->key.builtin_cmd));
- event->builtin_ret |= (1 << cur->key.builtin_cmd);
- if (cur->key.op != OP_NOMATCH)
- goto nomatch;
- }
- break;
- }
- case TK_M_IMPORT_DB: {
- const char *key = &rules->buf[cur->key.value_off];
- const char *value;
-
- value = udev_device_get_property_value(event->dev_db, key);
- if (value != NULL) {
- struct udev_list_entry *entry;
-
- entry = udev_device_add_property(event->dev, key, value);
- udev_list_entry_set_num(entry, true);
- } else {
- if (cur->key.op != OP_NOMATCH)
- goto nomatch;
- }
- break;
- }
- case TK_M_IMPORT_CMDLINE: {
- FILE *f;
- bool imported = false;
-
- f = fopen("/proc/cmdline", "r");
- if (f != NULL) {
- char cmdline[4096];
-
- if (fgets(cmdline, sizeof(cmdline), f) != NULL) {
- const char *key = &rules->buf[cur->key.value_off];
- char *pos;
-
- pos = strstr(cmdline, key);
- if (pos != NULL) {
- struct udev_list_entry *entry;
-
- pos += strlen(key);
- if (pos[0] == '\0' || isspace(pos[0])) {
- /* we import simple flags as 'FLAG=1' */
- entry = udev_device_add_property(event->dev, key, "1");
- udev_list_entry_set_num(entry, true);
- imported = true;
- } else if (pos[0] == '=') {
- const char *value;
-
- pos++;
- value = pos;
- while (pos[0] != '\0' && !isspace(pos[0]))
- pos++;
- pos[0] = '\0';
- entry = udev_device_add_property(event->dev, key, value);
- udev_list_entry_set_num(entry, true);
- imported = true;
- }
- }
- }
- fclose(f);
- }
- if (!imported && cur->key.op != OP_NOMATCH)
- goto nomatch;
- break;
- }
- case TK_M_IMPORT_PARENT: {
- char import[UTIL_PATH_SIZE];
-
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
- if (import_parent_into_properties(event->dev, import) != 0)
- if (cur->key.op != OP_NOMATCH)
- goto nomatch;
- break;
- }
- case TK_M_RESULT:
- if (match_key(rules, cur, event->program_result) != 0)
- goto nomatch;
- break;
- case TK_A_STRING_ESCAPE_NONE:
- esc = ESCAPE_NONE;
- break;
- case TK_A_STRING_ESCAPE_REPLACE:
- esc = ESCAPE_REPLACE;
- break;
- case TK_A_DB_PERSIST:
- udev_device_set_db_persist(event->dev);
- break;
- case TK_A_INOTIFY_WATCH:
- if (event->inotify_watch_final)
- break;
- if (cur->key.op == OP_ASSIGN_FINAL)
- event->inotify_watch_final = true;
- event->inotify_watch = cur->key.watch;
- break;
- case TK_A_DEVLINK_PRIO:
- udev_device_set_devlink_priority(event->dev, cur->key.devlink_prio);
- break;
- case TK_A_OWNER: {
- char owner[UTIL_NAME_SIZE];
-
- if (event->owner_final)
- break;
- if (cur->key.op == OP_ASSIGN_FINAL)
- event->owner_final = true;
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], owner, sizeof(owner));
- event->uid = util_lookup_user(event->udev, owner);
- info(event->udev, "OWNER %u %s:%u\n",
- event->uid,
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
- break;
- }
- case TK_A_GROUP: {
- char group[UTIL_NAME_SIZE];
-
- if (event->group_final)
- break;
- if (cur->key.op == OP_ASSIGN_FINAL)
- event->group_final = true;
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], group, sizeof(group));
- event->gid = util_lookup_group(event->udev, group);
- info(event->udev, "GROUP %u %s:%u\n",
- event->gid,
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
- break;
- }
- case TK_A_MODE: {
- char mode_str[UTIL_NAME_SIZE];
- mode_t mode;
- char *endptr;
-
- if (event->mode_final)
- break;
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], mode_str, sizeof(mode_str));
- mode = strtol(mode_str, &endptr, 8);
- if (endptr[0] != '\0') {
- err(event->udev, "ignoring invalid mode '%s'\n", mode_str);
- break;
- }
- if (cur->key.op == OP_ASSIGN_FINAL)
- event->mode_final = true;
- event->mode_set = true;
- event->mode = mode;
- info(event->udev, "MODE %#o %s:%u\n",
- event->mode,
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
- break;
- }
- case TK_A_OWNER_ID:
- if (event->owner_final)
- break;
- if (cur->key.op == OP_ASSIGN_FINAL)
- event->owner_final = true;
- event->uid = cur->key.uid;
- info(event->udev, "OWNER %u %s:%u\n",
- event->uid,
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
- break;
- case TK_A_GROUP_ID:
- if (event->group_final)
- break;
- if (cur->key.op == OP_ASSIGN_FINAL)
- event->group_final = true;
- event->gid = cur->key.gid;
- info(event->udev, "GROUP %u %s:%u\n",
- event->gid,
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
- break;
- case TK_A_MODE_ID:
- if (event->mode_final)
- break;
- if (cur->key.op == OP_ASSIGN_FINAL)
- event->mode_final = true;
- event->mode_set = true;
- event->mode = cur->key.mode;
- info(event->udev, "MODE %#o %s:%u\n",
- event->mode,
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
- break;
- case TK_A_ENV: {
- const char *name = &rules->buf[cur->key.attr_off];
- char *value = &rules->buf[cur->key.value_off];
-
- if (value[0] != '\0') {
- char temp_value[UTIL_NAME_SIZE];
- struct udev_list_entry *entry;
-
- udev_event_apply_format(event, value, temp_value, sizeof(temp_value));
- entry = udev_device_add_property(event->dev, name, temp_value);
- /* store in db, skip private keys */
- if (name[0] != '.')
- udev_list_entry_set_num(entry, true);
- } else {
- udev_device_add_property(event->dev, name, NULL);
- }
- break;
- }
- case TK_A_TAG: {
- char tag[UTIL_PATH_SIZE];
- const char *p;
-
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], tag, sizeof(tag));
- if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
- udev_device_cleanup_tags_list(event->dev);
- for (p = tag; *p != '\0'; p++) {
- if ((*p >= 'a' && *p <= 'z') ||
- (*p >= 'A' && *p <= 'Z') ||
- (*p >= '0' && *p <= '9') ||
- *p == '-' || *p == '_')
- continue;
- err(event->udev, "ignoring invalid tag name '%s'\n", tag);
- break;
- }
- udev_device_add_tag(event->dev, tag);
- break;
- }
- case TK_A_NAME: {
- const char *name = &rules->buf[cur->key.value_off];
- char name_str[UTIL_PATH_SIZE];
- int count;
-
- if (event->name_final)
- break;
- if (cur->key.op == OP_ASSIGN_FINAL)
- event->name_final = true;
- udev_event_apply_format(event, name, name_str, sizeof(name_str));
- if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
- count = util_replace_chars(name_str, "/");
- if (count > 0)
- info(event->udev, "%i character(s) replaced\n", count);
- }
- free(event->name);
- event->name = strdup(name_str);
- info(event->udev, "NAME '%s' %s:%u\n",
- event->name,
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
- break;
- }
- case TK_A_DEVLINK: {
- char temp[UTIL_PATH_SIZE];
- char filename[UTIL_PATH_SIZE];
- char *pos, *next;
- int count = 0;
-
- if (event->devlink_final)
- break;
- if (major(udev_device_get_devnum(event->dev)) == 0)
- break;
- if (cur->key.op == OP_ASSIGN_FINAL)
- event->devlink_final = true;
- if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
- udev_device_cleanup_devlinks_list(event->dev);
-
- /* allow multiple symlinks separated by spaces */
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], temp, sizeof(temp));
- if (esc == ESCAPE_UNSET)
- count = util_replace_chars(temp, "/ ");
- else if (esc == ESCAPE_REPLACE)
- count = util_replace_chars(temp, "/");
- if (count > 0)
- info(event->udev, "%i character(s) replaced\n" , count);
- dbg(event->udev, "rule applied, added symlink(s) '%s'\n", temp);
- pos = temp;
- while (isspace(pos[0]))
- pos++;
- next = strchr(pos, ' ');
- while (next != NULL) {
- next[0] = '\0';
- info(event->udev, "LINK '%s' %s:%u\n", pos,
- &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
- util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
- udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
- while (isspace(next[1]))
- next++;
- pos = &next[1];
- next = strchr(pos, ' ');
- }
- if (pos[0] != '\0') {
- info(event->udev, "LINK '%s' %s:%u\n", pos,
- &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
- util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
- udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
- }
- break;
- }
- case TK_A_ATTR: {
- const char *key_name = &rules->buf[cur->key.attr_off];
- char attr[UTIL_PATH_SIZE];
- char value[UTIL_NAME_SIZE];
- FILE *f;
-
- if (util_resolve_subsys_kernel(event->udev, key_name, attr, sizeof(attr), 0) != 0)
- util_strscpyl(attr, sizeof(attr), udev_device_get_syspath(event->dev), "/", key_name, NULL);
- attr_subst_subdir(attr, sizeof(attr));
-
- udev_event_apply_format(event, &rules->buf[cur->key.value_off], value, sizeof(value));
- info(event->udev, "ATTR '%s' writing '%s' %s:%u\n", attr, value,
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
- f = fopen(attr, "w");
- if (f != NULL) {
- if (fprintf(f, "%s", value) <= 0)
- err(event->udev, "error writing ATTR{%s}: %m\n", attr);
- fclose(f);
- } else {
- err(event->udev, "error opening ATTR{%s} for writing: %m\n", attr);
- }
- break;
- }
- case TK_A_RUN: {
- if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
- udev_list_cleanup(&event->run_list);
- info(event->udev, "RUN '%s' %s:%u\n",
- &rules->buf[cur->key.value_off],
- &rules->buf[rule->rule.filename_off],
- rule->rule.filename_line);
- udev_list_entry_add(&event->run_list, &rules->buf[cur->key.value_off], NULL);
- break;
- }
- case TK_A_GOTO:
- if (cur->key.rule_goto == 0)
- break;
- cur = &rules->tokens[cur->key.rule_goto];
- continue;
- case TK_END:
- return 0;
-
- case TK_M_PARENTS_MIN:
- case TK_M_PARENTS_MAX:
- case TK_M_MAX:
- case TK_UNSET:
- err(rules->udev, "wrong type %u\n", cur->type);
- goto nomatch;
- }
-
- cur++;
- continue;
- nomatch:
- /* fast-forward to next rule */
- cur = rule + rule->rule.token_count;
- dbg(rules->udev, "forward to rule: %u\n",
- (unsigned int) (cur - rules->tokens));
- }
+ struct token *cur;
+ struct token *rule;
+ enum escape_type esc = ESCAPE_UNSET;
+ bool can_set_name;
+
+ if (rules->tokens == NULL)
+ return -1;
+
+ can_set_name = ((strcmp(udev_device_get_action(event->dev), "remove") != 0) &&
+ (major(udev_device_get_devnum(event->dev)) > 0 ||
+ udev_device_get_ifindex(event->dev) > 0));
+
+ /* loop through token list, match, run actions or forward to next rule */
+ cur = &rules->tokens[0];
+ rule = cur;
+ for (;;) {
+ dump_token(rules, cur);
+ switch (cur->type) {
+ case TK_RULE:
+ /* current rule */
+ rule = cur;
+ /* possibly skip rules which want to set NAME, SYMLINK, OWNER, GROUP, MODE */
+ if (!can_set_name && rule->rule.can_set_name)
+ goto nomatch;
+ esc = ESCAPE_UNSET;
+ break;
+ case TK_M_ACTION:
+ if (match_key(rules, cur, udev_device_get_action(event->dev)) != 0)
+ goto nomatch;
+ break;
+ case TK_M_DEVPATH:
+ if (match_key(rules, cur, udev_device_get_devpath(event->dev)) != 0)
+ goto nomatch;
+ break;
+ case TK_M_KERNEL:
+ if (match_key(rules, cur, udev_device_get_sysname(event->dev)) != 0)
+ goto nomatch;
+ break;
+ case TK_M_DEVLINK: {
+ size_t devlen = strlen(udev_get_dev_path(event->udev))+1;
+ struct udev_list_entry *list_entry;
+ bool match = false;
+
+ udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(event->dev)) {
+ const char *devlink;
+
+ devlink = &udev_list_entry_get_name(list_entry)[devlen];
+ if (match_key(rules, cur, devlink) == 0) {
+ match = true;
+ break;
+ }
+ }
+ if (!match)
+ goto nomatch;
+ break;
+ }
+ case TK_M_NAME:
+ if (match_key(rules, cur, event->name) != 0)
+ goto nomatch;
+ break;
+ case TK_M_ENV: {
+ const char *key_name = &rules->buf[cur->key.attr_off];
+ const char *value;
+
+ value = udev_device_get_property_value(event->dev, key_name);
+ if (value == NULL) {
+ dbg(event->udev, "ENV{%s} is not set, treat as empty\n", key_name);
+ value = "";
+ }
+ if (match_key(rules, cur, value))
+ goto nomatch;
+ break;
+ }
+ case TK_M_TAG: {
+ struct udev_list_entry *list_entry;
+ bool match = false;
+
+ udev_list_entry_foreach(list_entry, udev_device_get_tags_list_entry(event->dev)) {
+ if (strcmp(&rules->buf[cur->key.value_off], udev_list_entry_get_name(list_entry)) == 0) {
+ match = true;
+ break;
+ }
+ }
+ if (!match && (cur->key.op != OP_NOMATCH))
+ goto nomatch;
+ break;
+ }
+ case TK_M_SUBSYSTEM:
+ if (match_key(rules, cur, udev_device_get_subsystem(event->dev)) != 0)
+ goto nomatch;
+ break;
+ case TK_M_DRIVER:
+ if (match_key(rules, cur, udev_device_get_driver(event->dev)) != 0)
+ goto nomatch;
+ break;
+ case TK_M_WAITFOR: {
+ char filename[UTIL_PATH_SIZE];
+ int found;
+
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename));
+ found = (wait_for_file(event->dev, filename, 10) == 0);
+ if (!found && (cur->key.op != OP_NOMATCH))
+ goto nomatch;
+ break;
+ }
+ case TK_M_ATTR:
+ if (match_attr(rules, event->dev, event, cur) != 0)
+ goto nomatch;
+ break;
+ case TK_M_KERNELS:
+ case TK_M_SUBSYSTEMS:
+ case TK_M_DRIVERS:
+ case TK_M_ATTRS:
+ case TK_M_TAGS: {
+ struct token *next;
+
+ /* get whole sequence of parent matches */
+ next = cur;
+ while (next->type > TK_M_PARENTS_MIN && next->type < TK_M_PARENTS_MAX)
+ next++;
+
+ /* loop over parents */
+ event->dev_parent = event->dev;
+ for (;;) {
+ struct token *key;
+
+ dbg(event->udev, "parent: '%s'\n", udev_device_get_syspath(event->dev_parent));
+ /* loop over sequence of parent match keys */
+ for (key = cur; key < next; key++ ) {
+ dump_token(rules, key);
+ switch(key->type) {
+ case TK_M_KERNELS:
+ if (match_key(rules, key, udev_device_get_sysname(event->dev_parent)) != 0)
+ goto try_parent;
+ break;
+ case TK_M_SUBSYSTEMS:
+ if (match_key(rules, key, udev_device_get_subsystem(event->dev_parent)) != 0)
+ goto try_parent;
+ break;
+ case TK_M_DRIVERS:
+ if (match_key(rules, key, udev_device_get_driver(event->dev_parent)) != 0)
+ goto try_parent;
+ break;
+ case TK_M_ATTRS:
+ if (match_attr(rules, event->dev_parent, event, key) != 0)
+ goto try_parent;
+ break;
+ case TK_M_TAGS: {
+ bool match = udev_device_has_tag(event->dev_parent, &rules->buf[cur->key.value_off]);
+
+ if (match && key->key.op == OP_NOMATCH)
+ goto try_parent;
+ if (!match && key->key.op == OP_MATCH)
+ goto try_parent;
+ break;
+ }
+ default:
+ goto nomatch;
+ }
+ dbg(event->udev, "parent key matched\n");
+ }
+ dbg(event->udev, "all parent keys matched\n");
+ break;
+
+ try_parent:
+ event->dev_parent = udev_device_get_parent(event->dev_parent);
+ if (event->dev_parent == NULL)
+ goto nomatch;
+ }
+ /* move behind our sequence of parent match keys */
+ cur = next;
+ continue;
+ }
+ case TK_M_TEST: {
+ char filename[UTIL_PATH_SIZE];
+ struct stat statbuf;
+ int match;
+
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], filename, sizeof(filename));
+ if (util_resolve_subsys_kernel(event->udev, filename, filename, sizeof(filename), 0) != 0) {
+ if (filename[0] != '/') {
+ char tmp[UTIL_PATH_SIZE];
+
+ util_strscpy(tmp, sizeof(tmp), filename);
+ util_strscpyl(filename, sizeof(filename),
+ udev_device_get_syspath(event->dev), "/", tmp, NULL);
+ }
+ }
+ attr_subst_subdir(filename, sizeof(filename));
+
+ match = (stat(filename, &statbuf) == 0);
+ dbg(event->udev, "'%s' %s", filename, match ? "exists\n" : "does not exist\n");
+ if (match && cur->key.mode > 0) {
+ match = ((statbuf.st_mode & cur->key.mode) > 0);
+ dbg(event->udev, "'%s' has mode=%#o and %s %#o\n", filename, statbuf.st_mode,
+ match ? "matches" : "does not match", cur->key.mode);
+ }
+ if (match && cur->key.op == OP_NOMATCH)
+ goto nomatch;
+ if (!match && cur->key.op == OP_MATCH)
+ goto nomatch;
+ break;
+ }
+ case TK_M_EVENT_TIMEOUT:
+ info(event->udev, "OPTIONS event_timeout=%u\n", cur->key.event_timeout);
+ event->timeout_usec = cur->key.event_timeout * 1000 * 1000;
+ break;
+ case TK_M_PROGRAM: {
+ char program[UTIL_PATH_SIZE];
+ char **envp;
+ char result[UTIL_PATH_SIZE];
+
+ free(event->program_result);
+ event->program_result = NULL;
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], program, sizeof(program));
+ envp = udev_device_get_properties_envp(event->dev);
+ info(event->udev, "PROGRAM '%s' %s:%u\n",
+ program,
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+
+ if (udev_event_spawn(event, program, envp, sigmask, result, sizeof(result)) < 0) {
+ if (cur->key.op != OP_NOMATCH)
+ goto nomatch;
+ } else {
+ int count;
+
+ util_remove_trailing_chars(result, '\n');
+ if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
+ count = util_replace_chars(result, UDEV_ALLOWED_CHARS_INPUT);
+ if (count > 0)
+ info(event->udev, "%i character(s) replaced\n" , count);
+ }
+ event->program_result = strdup(result);
+ dbg(event->udev, "storing result '%s'\n", event->program_result);
+ if (cur->key.op == OP_NOMATCH)
+ goto nomatch;
+ }
+ break;
+ }
+ case TK_M_IMPORT_FILE: {
+ char import[UTIL_PATH_SIZE];
+
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
+ if (import_file_into_properties(event->dev, import) != 0)
+ if (cur->key.op != OP_NOMATCH)
+ goto nomatch;
+ break;
+ }
+ case TK_M_IMPORT_PROG: {
+ char import[UTIL_PATH_SIZE];
+
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
+ info(event->udev, "IMPORT '%s' %s:%u\n",
+ import,
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+
+ if (import_program_into_properties(event, import, sigmask) != 0)
+ if (cur->key.op != OP_NOMATCH)
+ goto nomatch;
+ break;
+ }
+ case TK_M_IMPORT_BUILTIN: {
+ char command[UTIL_PATH_SIZE];
+
+ if (udev_builtin_run_once(cur->key.builtin_cmd)) {
+ /* check if we ran already */
+ if (event->builtin_run & (1 << cur->key.builtin_cmd)) {
+ info(event->udev, "IMPORT builtin skip '%s' %s:%u\n",
+ udev_builtin_name(cur->key.builtin_cmd),
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ /* return the result from earlier run */
+ if (event->builtin_ret & (1 << cur->key.builtin_cmd))
+ if (cur->key.op != OP_NOMATCH)
+ goto nomatch;
+ break;
+ }
+ /* mark as ran */
+ event->builtin_run |= (1 << cur->key.builtin_cmd);
+ }
+
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], command, sizeof(command));
+ info(event->udev, "IMPORT builtin '%s' %s:%u\n",
+ udev_builtin_name(cur->key.builtin_cmd),
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+
+ if (udev_builtin_run(event->dev, cur->key.builtin_cmd, command, false) != 0) {
+ /* remember failure */
+ info(rules->udev, "IMPORT builtin '%s' returned non-zero\n",
+ udev_builtin_name(cur->key.builtin_cmd));
+ event->builtin_ret |= (1 << cur->key.builtin_cmd);
+ if (cur->key.op != OP_NOMATCH)
+ goto nomatch;
+ }
+ break;
+ }
+ case TK_M_IMPORT_DB: {
+ const char *key = &rules->buf[cur->key.value_off];
+ const char *value;
+
+ value = udev_device_get_property_value(event->dev_db, key);
+ if (value != NULL) {
+ struct udev_list_entry *entry;
+
+ entry = udev_device_add_property(event->dev, key, value);
+ udev_list_entry_set_num(entry, true);
+ } else {
+ if (cur->key.op != OP_NOMATCH)
+ goto nomatch;
+ }
+ break;
+ }
+ case TK_M_IMPORT_CMDLINE: {
+ FILE *f;
+ bool imported = false;
+
+ f = fopen("/proc/cmdline", "r");
+ if (f != NULL) {
+ char cmdline[4096];
+
+ if (fgets(cmdline, sizeof(cmdline), f) != NULL) {
+ const char *key = &rules->buf[cur->key.value_off];
+ char *pos;
+
+ pos = strstr(cmdline, key);
+ if (pos != NULL) {
+ struct udev_list_entry *entry;
+
+ pos += strlen(key);
+ if (pos[0] == '\0' || isspace(pos[0])) {
+ /* we import simple flags as 'FLAG=1' */
+ entry = udev_device_add_property(event->dev, key, "1");
+ udev_list_entry_set_num(entry, true);
+ imported = true;
+ } else if (pos[0] == '=') {
+ const char *value;
+
+ pos++;
+ value = pos;
+ while (pos[0] != '\0' && !isspace(pos[0]))
+ pos++;
+ pos[0] = '\0';
+ entry = udev_device_add_property(event->dev, key, value);
+ udev_list_entry_set_num(entry, true);
+ imported = true;
+ }
+ }
+ }
+ fclose(f);
+ }
+ if (!imported && cur->key.op != OP_NOMATCH)
+ goto nomatch;
+ break;
+ }
+ case TK_M_IMPORT_PARENT: {
+ char import[UTIL_PATH_SIZE];
+
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], import, sizeof(import));
+ if (import_parent_into_properties(event->dev, import) != 0)
+ if (cur->key.op != OP_NOMATCH)
+ goto nomatch;
+ break;
+ }
+ case TK_M_RESULT:
+ if (match_key(rules, cur, event->program_result) != 0)
+ goto nomatch;
+ break;
+ case TK_A_STRING_ESCAPE_NONE:
+ esc = ESCAPE_NONE;
+ break;
+ case TK_A_STRING_ESCAPE_REPLACE:
+ esc = ESCAPE_REPLACE;
+ break;
+ case TK_A_DB_PERSIST:
+ udev_device_set_db_persist(event->dev);
+ break;
+ case TK_A_INOTIFY_WATCH:
+ if (event->inotify_watch_final)
+ break;
+ if (cur->key.op == OP_ASSIGN_FINAL)
+ event->inotify_watch_final = true;
+ event->inotify_watch = cur->key.watch;
+ break;
+ case TK_A_DEVLINK_PRIO:
+ udev_device_set_devlink_priority(event->dev, cur->key.devlink_prio);
+ break;
+ case TK_A_OWNER: {
+ char owner[UTIL_NAME_SIZE];
+
+ if (event->owner_final)
+ break;
+ if (cur->key.op == OP_ASSIGN_FINAL)
+ event->owner_final = true;
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], owner, sizeof(owner));
+ event->uid = util_lookup_user(event->udev, owner);
+ info(event->udev, "OWNER %u %s:%u\n",
+ event->uid,
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ break;
+ }
+ case TK_A_GROUP: {
+ char group[UTIL_NAME_SIZE];
+
+ if (event->group_final)
+ break;
+ if (cur->key.op == OP_ASSIGN_FINAL)
+ event->group_final = true;
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], group, sizeof(group));
+ event->gid = util_lookup_group(event->udev, group);
+ info(event->udev, "GROUP %u %s:%u\n",
+ event->gid,
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ break;
+ }
+ case TK_A_MODE: {
+ char mode_str[UTIL_NAME_SIZE];
+ mode_t mode;
+ char *endptr;
+
+ if (event->mode_final)
+ break;
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], mode_str, sizeof(mode_str));
+ mode = strtol(mode_str, &endptr, 8);
+ if (endptr[0] != '\0') {
+ err(event->udev, "ignoring invalid mode '%s'\n", mode_str);
+ break;
+ }
+ if (cur->key.op == OP_ASSIGN_FINAL)
+ event->mode_final = true;
+ event->mode_set = true;
+ event->mode = mode;
+ info(event->udev, "MODE %#o %s:%u\n",
+ event->mode,
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ break;
+ }
+ case TK_A_OWNER_ID:
+ if (event->owner_final)
+ break;
+ if (cur->key.op == OP_ASSIGN_FINAL)
+ event->owner_final = true;
+ event->uid = cur->key.uid;
+ info(event->udev, "OWNER %u %s:%u\n",
+ event->uid,
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ break;
+ case TK_A_GROUP_ID:
+ if (event->group_final)
+ break;
+ if (cur->key.op == OP_ASSIGN_FINAL)
+ event->group_final = true;
+ event->gid = cur->key.gid;
+ info(event->udev, "GROUP %u %s:%u\n",
+ event->gid,
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ break;
+ case TK_A_MODE_ID:
+ if (event->mode_final)
+ break;
+ if (cur->key.op == OP_ASSIGN_FINAL)
+ event->mode_final = true;
+ event->mode_set = true;
+ event->mode = cur->key.mode;
+ info(event->udev, "MODE %#o %s:%u\n",
+ event->mode,
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ break;
+ case TK_A_ENV: {
+ const char *name = &rules->buf[cur->key.attr_off];
+ char *value = &rules->buf[cur->key.value_off];
+
+ if (value[0] != '\0') {
+ char temp_value[UTIL_NAME_SIZE];
+ struct udev_list_entry *entry;
+
+ udev_event_apply_format(event, value, temp_value, sizeof(temp_value));
+ entry = udev_device_add_property(event->dev, name, temp_value);
+ /* store in db, skip private keys */
+ if (name[0] != '.')
+ udev_list_entry_set_num(entry, true);
+ } else {
+ udev_device_add_property(event->dev, name, NULL);
+ }
+ break;
+ }
+ case TK_A_TAG: {
+ char tag[UTIL_PATH_SIZE];
+ const char *p;
+
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], tag, sizeof(tag));
+ if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
+ udev_device_cleanup_tags_list(event->dev);
+ for (p = tag; *p != '\0'; p++) {
+ if ((*p >= 'a' && *p <= 'z') ||
+ (*p >= 'A' && *p <= 'Z') ||
+ (*p >= '0' && *p <= '9') ||
+ *p == '-' || *p == '_')
+ continue;
+ err(event->udev, "ignoring invalid tag name '%s'\n", tag);
+ break;
+ }
+ udev_device_add_tag(event->dev, tag);
+ break;
+ }
+ case TK_A_NAME: {
+ const char *name = &rules->buf[cur->key.value_off];
+ char name_str[UTIL_PATH_SIZE];
+ int count;
+
+ if (event->name_final)
+ break;
+ if (cur->key.op == OP_ASSIGN_FINAL)
+ event->name_final = true;
+ udev_event_apply_format(event, name, name_str, sizeof(name_str));
+ if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
+ count = util_replace_chars(name_str, "/");
+ if (count > 0)
+ info(event->udev, "%i character(s) replaced\n", count);
+ }
+ free(event->name);
+ event->name = strdup(name_str);
+ info(event->udev, "NAME '%s' %s:%u\n",
+ event->name,
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ break;
+ }
+ case TK_A_DEVLINK: {
+ char temp[UTIL_PATH_SIZE];
+ char filename[UTIL_PATH_SIZE];
+ char *pos, *next;
+ int count = 0;
+
+ if (event->devlink_final)
+ break;
+ if (major(udev_device_get_devnum(event->dev)) == 0)
+ break;
+ if (cur->key.op == OP_ASSIGN_FINAL)
+ event->devlink_final = true;
+ if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
+ udev_device_cleanup_devlinks_list(event->dev);
+
+ /* allow multiple symlinks separated by spaces */
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], temp, sizeof(temp));
+ if (esc == ESCAPE_UNSET)
+ count = util_replace_chars(temp, "/ ");
+ else if (esc == ESCAPE_REPLACE)
+ count = util_replace_chars(temp, "/");
+ if (count > 0)
+ info(event->udev, "%i character(s) replaced\n" , count);
+ dbg(event->udev, "rule applied, added symlink(s) '%s'\n", temp);
+ pos = temp;
+ while (isspace(pos[0]))
+ pos++;
+ next = strchr(pos, ' ');
+ while (next != NULL) {
+ next[0] = '\0';
+ info(event->udev, "LINK '%s' %s:%u\n", pos,
+ &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
+ udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
+ while (isspace(next[1]))
+ next++;
+ pos = &next[1];
+ next = strchr(pos, ' ');
+ }
+ if (pos[0] != '\0') {
+ info(event->udev, "LINK '%s' %s:%u\n", pos,
+ &rules->buf[rule->rule.filename_off], rule->rule.filename_line);
+ util_strscpyl(filename, sizeof(filename), udev_get_dev_path(event->udev), "/", pos, NULL);
+ udev_device_add_devlink(event->dev, filename, cur->key.devlink_unique);
+ }
+ break;
+ }
+ case TK_A_ATTR: {
+ const char *key_name = &rules->buf[cur->key.attr_off];
+ char attr[UTIL_PATH_SIZE];
+ char value[UTIL_NAME_SIZE];
+ FILE *f;
+
+ if (util_resolve_subsys_kernel(event->udev, key_name, attr, sizeof(attr), 0) != 0)
+ util_strscpyl(attr, sizeof(attr), udev_device_get_syspath(event->dev), "/", key_name, NULL);
+ attr_subst_subdir(attr, sizeof(attr));
+
+ udev_event_apply_format(event, &rules->buf[cur->key.value_off], value, sizeof(value));
+ info(event->udev, "ATTR '%s' writing '%s' %s:%u\n", attr, value,
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ f = fopen(attr, "w");
+ if (f != NULL) {
+ if (fprintf(f, "%s", value) <= 0)
+ err(event->udev, "error writing ATTR{%s}: %m\n", attr);
+ fclose(f);
+ } else {
+ err(event->udev, "error opening ATTR{%s} for writing: %m\n", attr);
+ }
+ break;
+ }
+ case TK_A_RUN: {
+ if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
+ udev_list_cleanup(&event->run_list);
+ info(event->udev, "RUN '%s' %s:%u\n",
+ &rules->buf[cur->key.value_off],
+ &rules->buf[rule->rule.filename_off],
+ rule->rule.filename_line);
+ udev_list_entry_add(&event->run_list, &rules->buf[cur->key.value_off], NULL);
+ break;
+ }
+ case TK_A_GOTO:
+ if (cur->key.rule_goto == 0)
+ break;
+ cur = &rules->tokens[cur->key.rule_goto];
+ continue;
+ case TK_END:
+ return 0;
+
+ case TK_M_PARENTS_MIN:
+ case TK_M_PARENTS_MAX:
+ case TK_M_MAX:
+ case TK_UNSET:
+ err(rules->udev, "wrong type %u\n", cur->type);
+ goto nomatch;
+ }
+
+ cur++;
+ continue;
+ nomatch:
+ /* fast-forward to next rule */
+ cur = rule + rule->rule.token_count;
+ dbg(rules->udev, "forward to rule: %u\n",
+ (unsigned int) (cur - rules->tokens));
+ }