/*
- * Copyright (C) 2003-2012 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2003-2012 Kay Sievers <kay@vrfy.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "path-util.h"
#include "conf-files.h"
#include "strbuf.h"
+#include "strv.h"
+#include "util.h"
#define PREALLOC_TOKEN 2048
struct udev_rules {
struct udev *udev;
char **dirs;
- usec_t *dirs_ts_usec;
+ usec_t dirs_ts_usec;
int resolve_names;
/* every key in the rules file becomes a token */
unsigned int token_cur;
unsigned int token_max;
- /* all key strings are copied and de-duplicated in a single continous string buffer */
+ /* all key strings are copied and de-duplicated in a single continuous string buffer */
struct strbuf *strbuf;
/* during rule parsing, uid/gid lookup results are cached */
TK_A_OWNER_ID, /* uid_t */
TK_A_GROUP_ID, /* gid_t */
TK_A_MODE_ID, /* mode_t */
+ TK_A_TAG, /* val */
TK_A_STATIC_NODE, /* val */
+ TK_A_SECLABEL, /* val, attr */
TK_A_ENV, /* val, attr */
- TK_A_TAG, /* val */
TK_A_NAME, /* val */
TK_A_DEVLINK, /* val */
TK_A_ATTR, /* val, attr */
[TK_A_OWNER_ID] = "A OWNER_ID",
[TK_A_GROUP_ID] = "A GROUP_ID",
[TK_A_STATIC_NODE] = "A STATIC_NODE",
+ [TK_A_SECLABEL] = "A SECLABEL",
[TK_A_MODE_ID] = "A MODE_ID",
[TK_A_ENV] = "A ENV",
[TK_A_TAG] = "A ENV",
const char *tk_ptr = (char *)token;
unsigned int idx = (tk_ptr - tks_ptr) / sizeof(struct token);
- log_debug("* RULE %s:%u, token: %u, count: %u, label: '%s'\n",
+ log_debug("* RULE %s:%u, token: %u, count: %u, label: '%s'",
&rules->buf[token->rule.filename_off], token->rule.filename_line,
idx, token->rule.token_count,
&rules->buf[token->rule.label_off]);
case TK_A_MODE:
case TK_A_RUN_BUILTIN:
case TK_A_RUN_PROGRAM:
- log_debug("%s %s '%s'(%s)\n",
+ log_debug("%s %s '%s'(%s)",
token_str(type), operation_str(op), value, string_glob_str(glob));
break;
case TK_M_IMPORT_BUILTIN:
- log_debug("%s %i '%s'\n", token_str(type), token->key.builtin_cmd, value);
+ log_debug("%s %i '%s'", token_str(type), token->key.builtin_cmd, value);
break;
case TK_M_ATTR:
case TK_M_ATTRS:
case TK_M_ENV:
case TK_A_ATTR:
case TK_A_ENV:
- log_debug("%s %s '%s' '%s'(%s)\n",
+ log_debug("%s %s '%s' '%s'(%s)",
token_str(type), operation_str(op), attr, value, string_glob_str(glob));
break;
case TK_M_TAG:
case TK_A_TAG:
- log_debug("%s %s '%s'\n", token_str(type), operation_str(op), value);
+ log_debug("%s %s '%s'", token_str(type), operation_str(op), value);
break;
case TK_A_STRING_ESCAPE_NONE:
case TK_A_STRING_ESCAPE_REPLACE:
case TK_A_DB_PERSIST:
- log_debug("%s\n", token_str(type));
+ log_debug("%s", token_str(type));
break;
case TK_M_TEST:
- log_debug("%s %s '%s'(%s) %#o\n",
+ log_debug("%s %s '%s'(%s) %#o",
token_str(type), operation_str(op), value, string_glob_str(glob), token->key.mode);
break;
case TK_A_INOTIFY_WATCH:
- log_debug("%s %u\n", token_str(type), token->key.watch);
+ log_debug("%s %u", token_str(type), token->key.watch);
break;
case TK_A_DEVLINK_PRIO:
- log_debug("%s %u\n", token_str(type), token->key.devlink_prio);
+ log_debug("%s %u", token_str(type), token->key.devlink_prio);
break;
case TK_A_OWNER_ID:
- log_debug("%s %s %u\n", token_str(type), operation_str(op), token->key.uid);
+ log_debug("%s %s %u", token_str(type), operation_str(op), token->key.uid);
break;
case TK_A_GROUP_ID:
- log_debug("%s %s %u\n", token_str(type), operation_str(op), token->key.gid);
+ log_debug("%s %s %u", token_str(type), operation_str(op), token->key.gid);
break;
case TK_A_MODE_ID:
- log_debug("%s %s %#o\n", token_str(type), operation_str(op), token->key.mode);
+ log_debug("%s %s %#o", token_str(type), operation_str(op), token->key.mode);
break;
case TK_A_STATIC_NODE:
- log_debug("%s '%s'\n", token_str(type), value);
+ log_debug("%s '%s'", token_str(type), value);
+ break;
+ case TK_A_SECLABEL:
+ log_debug("%s %s '%s' '%s'", token_str(type), operation_str(op), attr, value);
break;
case TK_M_EVENT_TIMEOUT:
- log_debug("%s %u\n", token_str(type), token->key.event_timeout);
+ log_debug("%s %u", token_str(type), token->key.event_timeout);
break;
case TK_A_GOTO:
- log_debug("%s '%s' %u\n", token_str(type), value, token->key.rule_goto);
+ log_debug("%s '%s' %u", token_str(type), value, token->key.rule_goto);
break;
case TK_END:
- log_debug("* %s\n", token_str(type));
+ log_debug("* %s", token_str(type));
break;
case TK_M_PARENTS_MIN:
case TK_M_PARENTS_MAX:
case TK_M_MAX:
case TK_UNSET:
- log_debug("unknown type %u\n", type);
+ log_debug("unknown type %u", type);
break;
}
}
{
unsigned int i;
- log_debug("dumping %u (%zu bytes) tokens, %u (%zu bytes) strings\n",
+ log_debug("dumping %u (%zu bytes) tokens, %u (%zu bytes) strings",
rules->token_cur,
rules->token_cur * sizeof(struct token),
rules->buf_count,
rules->buf_cur);
- for(i = 0; i < rules->token_cur; i++)
+ for (i = 0; i < rules->token_cur; i++)
dump_token(rules, &rules->tokens[i]);
}
#else
char *key;
char *val;
size_t len;
+ struct udev_list_entry *entry;
/* find key */
key = line;
/* unquote */
if (val[0] == '"' || val[0] == '\'') {
if (val[len-1] != val[0]) {
- log_debug("inconsistent quoting: '%s', skip\n", line);
+ log_debug("inconsistent quoting: '%s', skip", line);
return -1;
}
val[len-1] = '\0';
val++;
}
- /* handle device, renamed by external tool, returning new path */
- if (streq(key, "DEVPATH")) {
- char syspath[UTIL_PATH_SIZE];
-
- log_debug("updating devpath from '%s' to '%s'\n",
- udev_device_get_devpath(dev), val);
- util_strscpyl(syspath, sizeof(syspath), "/sys", val, NULL);
- udev_device_set_syspath(dev, syspath);
- } else {
- struct udev_list_entry *entry;
-
- entry = udev_device_add_property(dev, key, val);
- /* store in db, skip private keys */
- if (key[0] != '.')
- udev_list_entry_set_num(entry, true);
- }
+ entry = udev_device_add_property(dev, key, val);
+ /* store in db, skip private keys */
+ if (key[0] != '.')
+ udev_list_entry_set_num(entry, true);
+
return 0;
}
/* a relative path is a device attribute */
devicepath[0] = '\0';
if (file[0] != '/') {
- util_strscpyl(devicepath, sizeof(devicepath), udev_device_get_syspath(dev), NULL);
- util_strscpyl(filepath, sizeof(filepath), devicepath, "/", file, NULL);
+ strscpyl(devicepath, sizeof(devicepath), udev_device_get_syspath(dev), NULL);
+ strscpyl(filepath, sizeof(filepath), devicepath, "/", file, NULL);
file = filepath;
}
/* lookup file */
if (stat(file, &stats) == 0) {
- log_debug("file '%s' appeared after %i loops\n", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
+ log_debug("file '%s' appeared after %i loops", file, (timeout * WAIT_LOOP_PER_SECOND) - loop-1);
return 0;
}
/* make sure, the device did not disappear in the meantime */
if (devicepath[0] != '\0' && stat(devicepath, &stats) != 0) {
- log_debug("device disappeared while waiting for '%s'\n", file);
+ log_debug("device disappeared while waiting for '%s'", file);
return -2;
}
- log_debug("wait for '%s' for %i mseconds\n", file, 1000 / WAIT_LOOP_PER_SECOND);
+ log_debug("wait for '%s' for %i mseconds", file, 1000 / WAIT_LOOP_PER_SECOND);
nanosleep(&duration, NULL);
}
- log_debug("waiting for '%s' failed\n", file);
+ log_debug("waiting for '%s' failed", file);
return -1;
}
const char *tail;
DIR *dir;
- util_strscpy(dirname, sizeof(dirname), attr);
+ strscpy(dirname, sizeof(dirname), attr);
pos = strstr(dirname, "/*/");
if (pos == NULL)
return -1;
if (dent->d_name[0] == '.')
continue;
- util_strscpyl(attr, len, dirname, "/", dent->d_name, tail, NULL);
+ strscpyl(attr, len, dirname, "/", dent->d_name, tail, NULL);
if (stat(attr, &stats) == 0) {
found = true;
break;
attr++;
pos = strchr(attr, '}');
if (pos == NULL) {
- log_error("missing closing brace for format\n");
+ log_error("missing closing brace for format");
return NULL;
}
pos[0] = '\0';
case TK_M_ATTRS:
case TK_A_ATTR:
case TK_A_ENV:
+ case TK_A_SECLABEL:
attr = data;
token->key.value_off = rules_add_string(rule_tmp->rules, value);
token->key.attr_off = rules_add_string(rule_tmp->rules, attr);
case TK_M_MAX:
case TK_END:
case TK_UNSET:
- log_error("wrong type %u\n", type);
+ log_error("wrong type %u", type);
return -1;
}
int has_glob;
has_split = (strchr(value, '|') != NULL);
- has_glob = (strchr(value, '*') != NULL || strchr(value, '?') != NULL || strchr(value, '[') != NULL);
+ has_glob = string_is_glob(value);
if (has_split && has_glob) {
glob = GL_SPLIT_GLOB;
} else if (has_split) {
token->key.op = op;
rule_tmp->token_cur++;
if (rule_tmp->token_cur >= ELEMENTSOF(rule_tmp->token)) {
- log_error("temporary rule array too small\n");
+ log_error("temporary rule array too small");
return -1;
}
return 0;
char *value;
enum operation_type op;
- if (get_key(rules->udev, &linepos, &key, &op, &value) != 0)
+ if (get_key(rules->udev, &linepos, &key, &op, &value) != 0) {
+ /* Avoid erroring on trailing whitespace. This is probably rare
+ * so save the work for the error case instead of always trying
+ * to strip the trailing whitespace with strstrip(). */
+ while (isblank(*linepos))
+ linepos++;
+
+ /* If we aren't at the end of the line, this is a parsing error.
+ * Make a best effort to describe where the problem is. */
+ if (*linepos != '\n') {
+ char buf[2] = {linepos[1]};
+ _cleanup_free_ char *tmp;
+
+ tmp = cescape(buf);
+ log_error("invalid key/value pair in file %s on line %u,"
+ "starting at character %tu ('%s')\n",
+ filename, lineno, linepos - line + 1, tmp);
+ if (linepos[1] == '#')
+ log_error("hint: comments can only start at beginning of line");
+ }
break;
+ }
if (streq(key, "ACTION")) {
if (op > OP_MATCH_MAX) {
- log_error("invalid ACTION operation\n");
+ log_error("invalid ACTION operation");
goto invalid;
}
rule_add_key(&rule_tmp, TK_M_ACTION, op, value, NULL);
if (streq(key, "DEVPATH")) {
if (op > OP_MATCH_MAX) {
- log_error("invalid DEVPATH operation\n");
+ log_error("invalid DEVPATH operation");
goto invalid;
}
rule_add_key(&rule_tmp, TK_M_DEVPATH, op, value, NULL);
if (streq(key, "KERNEL")) {
if (op > OP_MATCH_MAX) {
- log_error("invalid KERNEL operation\n");
+ log_error("invalid KERNEL operation");
goto invalid;
}
rule_add_key(&rule_tmp, TK_M_KERNEL, op, value, NULL);
if (streq(key, "SUBSYSTEM")) {
if (op > OP_MATCH_MAX) {
- log_error("invalid SUBSYSTEM operation\n");
+ log_error("invalid SUBSYSTEM operation");
goto invalid;
}
/* bus, class, subsystem events should all be the same */
streq(value, "bus") ||
streq(value, "class")) {
if (streq(value, "bus") || streq(value, "class"))
- log_error("'%s' must be specified as 'subsystem' \n"
+ log_error("'%s' must be specified as 'subsystem' "
"please fix it in %s:%u", value, filename, lineno);
rule_add_key(&rule_tmp, TK_M_SUBSYSTEM, op, "subsystem|class|bus", NULL);
} else
if (streq(key, "DRIVER")) {
if (op > OP_MATCH_MAX) {
- log_error("invalid DRIVER operation\n");
+ log_error("invalid DRIVER operation");
goto invalid;
}
rule_add_key(&rule_tmp, TK_M_DRIVER, op, value, NULL);
if (startswith(key, "ATTR{")) {
attr = get_key_attribute(rules->udev, key + sizeof("ATTR")-1);
if (attr == NULL) {
- log_error("error parsing ATTR attribute\n");
+ log_error("error parsing ATTR attribute");
goto invalid;
}
if (op < OP_MATCH_MAX) {
continue;
}
+ if (startswith(key, "SECLABEL{")) {
+ attr = get_key_attribute(rules->udev, key + sizeof("SECLABEL")-1);
+ if (!attr) {
+ log_error("error parsing SECLABEL attribute");
+ goto invalid;
+ }
+
+ rule_add_key(&rule_tmp, TK_A_SECLABEL, op, value, attr);
+ continue;
+ }
+
if (streq(key, "KERNELS")) {
if (op > OP_MATCH_MAX) {
- log_error("invalid KERNELS operation\n");
+ log_error("invalid KERNELS operation");
goto invalid;
}
rule_add_key(&rule_tmp, TK_M_KERNELS, op, value, NULL);
if (streq(key, "SUBSYSTEMS")) {
if (op > OP_MATCH_MAX) {
- log_error("invalid SUBSYSTEMS operation\n");
+ log_error("invalid SUBSYSTEMS operation");
goto invalid;
}
rule_add_key(&rule_tmp, TK_M_SUBSYSTEMS, op, value, NULL);
if (streq(key, "DRIVERS")) {
if (op > OP_MATCH_MAX) {
- log_error("invalid DRIVERS operation\n");
+ log_error("invalid DRIVERS operation");
goto invalid;
}
rule_add_key(&rule_tmp, TK_M_DRIVERS, op, value, NULL);
if (startswith(key, "ATTRS{")) {
if (op > OP_MATCH_MAX) {
- log_error("invalid ATTRS operation\n");
+ log_error("invalid ATTRS operation");
goto invalid;
}
attr = get_key_attribute(rules->udev, key + sizeof("ATTRS")-1);
if (attr == NULL) {
- log_error("error parsing ATTRS attribute\n");
+ log_error("error parsing ATTRS attribute");
goto invalid;
}
if (startswith(attr, "device/"))
if (streq(key, "TAGS")) {
if (op > OP_MATCH_MAX) {
- log_error("invalid TAGS operation\n");
+ log_error("invalid TAGS operation");
goto invalid;
}
rule_add_key(&rule_tmp, TK_M_TAGS, op, value, NULL);
if (startswith(key, "ENV{")) {
attr = get_key_attribute(rules->udev, key + sizeof("ENV")-1);
if (attr == NULL) {
- log_error("error parsing ENV attribute\n");
+ log_error("error parsing ENV attribute");
goto invalid;
}
if (op < OP_MATCH_MAX) {
for (i = 0; i < ELEMENTSOF(blacklist); i++) {
if (!streq(attr, blacklist[i]))
continue;
- log_error("invalid ENV attribute, '%s' can not be set %s:%u\n", attr, filename, lineno);
+ log_error("invalid ENV attribute, '%s' can not be set %s:%u", attr, filename, lineno);
goto invalid;
}
if (rule_add_key(&rule_tmp, TK_A_ENV, op, value, attr) != 0)
if (streq(key, "RESULT")) {
if (op > OP_MATCH_MAX) {
- log_error("invalid RESULT operation\n");
+ log_error("invalid RESULT operation");
goto invalid;
}
rule_add_key(&rule_tmp, TK_M_RESULT, op, value, NULL);
if (startswith(key, "IMPORT")) {
attr = get_key_attribute(rules->udev, key + sizeof("IMPORT")-1);
if (attr == NULL) {
- log_error("IMPORT{} type missing, ignoring IMPORT %s:%u\n", filename, lineno);
+ log_error("IMPORT{} type missing, ignoring IMPORT %s:%u", filename, lineno);
continue;
}
if (streq(attr, "program")) {
cmd = udev_builtin_lookup(value);
if (cmd < UDEV_BUILTIN_MAX) {
- log_debug("IMPORT found builtin '%s', replacing %s:%u\n",
+ log_debug("IMPORT found builtin '%s', replacing %s:%u",
value, filename, lineno);
rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
continue;
if (cmd < UDEV_BUILTIN_MAX)
rule_add_key(&rule_tmp, TK_M_IMPORT_BUILTIN, op, value, &cmd);
else
- log_error("IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno);
+ log_error("IMPORT{builtin}: '%s' unknown %s:%u", value, filename, lineno);
} else if (streq(attr, "file")) {
rule_add_key(&rule_tmp, TK_M_IMPORT_FILE, op, value, NULL);
} else if (streq(attr, "db")) {
} else if (streq(attr, "parent")) {
rule_add_key(&rule_tmp, TK_M_IMPORT_PARENT, op, value, NULL);
} else
- log_error("IMPORT{} unknown type, ignoring IMPORT %s:%u\n", filename, lineno);
+ log_error("IMPORT{} unknown type, ignoring IMPORT %s:%u", filename, lineno);
continue;
}
mode_t mode = 0;
if (op > OP_MATCH_MAX) {
- log_error("invalid TEST operation\n");
+ log_error("invalid TEST operation");
goto invalid;
}
attr = get_key_attribute(rules->udev, key + sizeof("TEST")-1);
if (cmd < UDEV_BUILTIN_MAX)
rule_add_key(&rule_tmp, TK_A_RUN_BUILTIN, op, value, &cmd);
else
- log_error("IMPORT{builtin}: '%s' unknown %s:%u\n", value, filename, lineno);
+ log_error("IMPORT{builtin}: '%s' unknown %s:%u", value, filename, lineno);
} else if (streq(attr, "program")) {
enum udev_builtin_cmd cmd = UDEV_BUILTIN_MAX;
rule_add_key(&rule_tmp, TK_A_RUN_PROGRAM, op, value, &cmd);
} else {
- log_error("RUN{} unknown type, ignoring RUN %s:%u\n", filename, lineno);
+ log_error("RUN{} unknown type, ignoring RUN %s:%u", filename, lineno);
}
continue;
continue;
}
- log_error("unknown key '%s' in %s:%u\n", key, filename, lineno);
+ log_error("unknown key '%s' in %s:%u", key, filename, lineno);
goto invalid;
}
return 0;
invalid:
- log_error("invalid rule '%s:%u'\n", filename, lineno);
+ log_error("invalid rule '%s:%u'", filename, lineno);
return -1;
}
unsigned int i;
if (null_or_empty_path(filename)) {
- log_debug("skip empty file: %s\n", filename);
+ log_debug("skip empty file: %s", filename);
return 0;
}
- log_debug("read rules file: %s\n", filename);
+ log_debug("read rules file: %s", filename);
f = fopen(filename, "re");
if (f == NULL)
}
if (len+1 >= sizeof(line)) {
- log_error("line too long '%s':%u, ignored\n", filename, line_nr);
+ log_error("line too long '%s':%u, ignored", filename, line_nr);
continue;
}
add_rule(rules, key, filename, filename_off, line_nr);
break;
}
if (rules->tokens[i].key.rule_goto == 0)
- log_error("GOTO '%s' has no matching label in: '%s'\n", label, filename);
+ log_error("GOTO '%s' has no matching label in: '%s'", label, filename);
}
}
return 0;
return udev_rules_unref(rules);
}
if (!path_strv_canonicalize(rules->dirs)) {
- log_error("failed to canonicalize config directories\n");
+ log_error("failed to canonicalize config directories");
return udev_rules_unref(rules);
}
strv_uniq(rules->dirs);
- rules->dirs_ts_usec = calloc(strv_length(rules->dirs), sizeof(long long));
- if(!rules->dirs_ts_usec)
- return udev_rules_unref(rules);
udev_rules_check_timestamp(rules);
- r = conf_files_list_strv(&files, ".rules", (const char **)rules->dirs);
+ r = conf_files_list_strv(&files, ".rules", NULL, (const char **)rules->dirs);
if (r < 0) {
- log_error("failed to enumerate rules files: %s\n", strerror(-r));
+ log_error("failed to enumerate rules files: %s", strerror(-r));
return udev_rules_unref(rules);
}
memset(&end_token, 0x00, sizeof(struct token));
end_token.type = TK_END;
add_token(rules, &end_token);
- log_debug("rules contain %zu bytes tokens (%u * %zu bytes), %zu bytes strings\n",
+ log_debug("rules contain %zu bytes tokens (%u * %zu bytes), %zu bytes strings",
rules->token_max * sizeof(struct token), rules->token_max, sizeof(struct token), rules->strbuf->len);
/* cleanup temporary strbuf data */
- log_debug("%zu strings (%zu bytes), %zu de-duplicated (%zu bytes), %zu trie nodes used\n",
+ log_debug("%zu strings (%zu bytes), %zu de-duplicated (%zu bytes), %zu trie nodes used",
rules->strbuf->in_count, rules->strbuf->in_len,
rules->strbuf->dedup_count, rules->strbuf->dedup_len, rules->strbuf->nodes_count);
strbuf_complete(rules->strbuf);
free(rules->uids);
free(rules->gids);
strv_free(rules->dirs);
- free(rules->dirs_ts_usec);
free(rules);
return NULL;
}
bool udev_rules_check_timestamp(struct udev_rules *rules)
{
- unsigned int i;
- bool changed = false;
-
- if (rules == NULL)
- goto out;
-
- for (i = 0; rules->dirs[i]; i++) {
- struct stat stats;
-
- if (stat(rules->dirs[i], &stats) < 0)
- continue;
+ if (!rules)
+ return false;
- if (rules->dirs_ts_usec[i] == timespec_load(&stats.st_mtim))
- continue;
-
- /* first check */
- if (rules->dirs_ts_usec[i] != 0) {
- log_debug("reload - timestamp of '%s' changed\n", rules->dirs[i]);
- changed = true;
- }
-
- /* update timestamp */
- rules->dirs_ts_usec[i] = timespec_load(&stats.st_mtim);
- }
-out:
- return changed;
+ return paths_check_timestamp(rules->dirs, &rules->dirs_ts_usec, true);
}
static int match_key(struct udev_rules *rules, struct token *token, const char *val)
if (next != NULL) {
size_t matchlen = (size_t)(next - s);
- match = (matchlen == len && strncmp(s, val, matchlen) == 0);
+ match = (matchlen == len && strneq(s, val, matchlen));
if (match)
break;
} else {
{
char value[UTIL_PATH_SIZE];
- util_strscpy(value, sizeof(value), rules_str(rules, token->key.value_off));
+ strscpy(value, sizeof(value), rules_str(rules, token->key.value_off));
key_value = value;
while (key_value != NULL) {
pos = strchr(key_value, '|');
klen = strlen(key_value);
if (klen > 0 && !isspace(key_value[klen-1])) {
if (value != vbuf) {
- util_strscpy(vbuf, sizeof(vbuf), value);
+ strscpy(vbuf, sizeof(vbuf), value);
value = vbuf;
}
while (len > 0 && isspace(vbuf[--len]))
if (filename[0] != '/') {
char tmp[UTIL_PATH_SIZE];
- util_strscpy(tmp, sizeof(tmp), filename);
- util_strscpyl(filename, sizeof(filename),
+ strscpy(tmp, sizeof(tmp), filename);
+ strscpyl(filename, sizeof(filename),
udev_device_get_syspath(event->dev), "/", tmp, NULL);
}
}
break;
}
case TK_M_EVENT_TIMEOUT:
- log_debug("OPTIONS event_timeout=%u\n", cur->key.event_timeout);
+ log_debug("OPTIONS event_timeout=%u", cur->key.event_timeout);
event->timeout_usec = cur->key.event_timeout * 1000 * 1000;
break;
case TK_M_PROGRAM: {
event->program_result = NULL;
udev_event_apply_format(event, rules_str(rules, cur->key.value_off), program, sizeof(program));
envp = udev_device_get_properties_envp(event->dev);
- log_debug("PROGRAM '%s' %s:%u\n",
+ log_debug("PROGRAM '%s' %s:%u",
program,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
count = util_replace_chars(result, UDEV_ALLOWED_CHARS_INPUT);
if (count > 0)
- log_debug("%i character(s) replaced\n" , count);
+ log_debug("%i character(s) replaced" , count);
}
event->program_result = strdup(result);
if (cur->key.op == OP_NOMATCH)
char import[UTIL_PATH_SIZE];
udev_event_apply_format(event, rules_str(rules, cur->key.value_off), import, sizeof(import));
- log_debug("IMPORT '%s' %s:%u\n",
+ log_debug("IMPORT '%s' %s:%u",
import,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
if (udev_builtin_run_once(cur->key.builtin_cmd)) {
/* check if we ran already */
if (event->builtin_run & (1 << cur->key.builtin_cmd)) {
- log_debug("IMPORT builtin skip '%s' %s:%u\n",
+ log_debug("IMPORT builtin skip '%s' %s:%u",
udev_builtin_name(cur->key.builtin_cmd),
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
}
udev_event_apply_format(event, rules_str(rules, cur->key.value_off), command, sizeof(command));
- log_debug("IMPORT builtin '%s' %s:%u\n",
+ log_debug("IMPORT builtin '%s' %s:%u",
udev_builtin_name(cur->key.builtin_cmd),
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
if (udev_builtin_run(event->dev, cur->key.builtin_cmd, command, false) != 0) {
/* remember failure */
- log_debug("IMPORT builtin '%s' returned non-zero\n",
+ log_debug("IMPORT builtin '%s' returned non-zero",
udev_builtin_name(cur->key.builtin_cmd));
event->builtin_ret |= (1 << cur->key.builtin_cmd);
if (cur->key.op != OP_NOMATCH)
if (cur->key.op == OP_ASSIGN_FINAL)
event->owner_final = true;
udev_event_apply_format(event, rules_str(rules, cur->key.value_off), owner, sizeof(owner));
+ event->owner_set = true;
event->uid = util_lookup_user(event->udev, owner);
- log_debug("OWNER %u %s:%u\n",
+ log_debug("OWNER %u %s:%u",
event->uid,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
if (cur->key.op == OP_ASSIGN_FINAL)
event->group_final = true;
udev_event_apply_format(event, rules_str(rules, cur->key.value_off), group, sizeof(group));
+ event->group_set = true;
event->gid = util_lookup_group(event->udev, group);
- log_debug("GROUP %u %s:%u\n",
+ log_debug("GROUP %u %s:%u",
event->gid,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
udev_event_apply_format(event, rules_str(rules, cur->key.value_off), mode_str, sizeof(mode_str));
mode = strtol(mode_str, &endptr, 8);
if (endptr[0] != '\0') {
- log_error("ignoring invalid mode '%s'\n", mode_str);
+ log_error("ignoring invalid mode '%s'", mode_str);
break;
}
if (cur->key.op == OP_ASSIGN_FINAL)
event->mode_final = true;
event->mode_set = true;
event->mode = mode;
- log_debug("MODE %#o %s:%u\n",
+ log_debug("MODE %#o %s:%u",
event->mode,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
break;
if (cur->key.op == OP_ASSIGN_FINAL)
event->owner_final = true;
+ event->owner_set = true;
event->uid = cur->key.uid;
- log_debug("OWNER %u %s:%u\n",
+ log_debug("OWNER %u %s:%u",
event->uid,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
break;
if (cur->key.op == OP_ASSIGN_FINAL)
event->group_final = true;
+ event->group_set = true;
event->gid = cur->key.gid;
- log_debug("GROUP %u %s:%u\n",
+ log_debug("GROUP %u %s:%u",
event->gid,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
event->mode_final = true;
event->mode_set = true;
event->mode = cur->key.mode;
- log_debug("MODE %#o %s:%u\n",
+ log_debug("MODE %#o %s:%u",
event->mode,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
break;
+ case TK_A_SECLABEL: {
+ const char *name, *label;
+
+ name = rules_str(rules, cur->key.attr_off);
+ label = rules_str(rules, cur->key.value_off);
+ if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
+ udev_list_cleanup(&event->seclabel_list);
+ udev_list_entry_add(&event->seclabel_list, name, label);
+ log_debug("SECLABEL{%s}='%s' %s:%u",
+ name, label,
+ rules_str(rules, rule->rule.filename_off),
+ rule->rule.filename_line);
+ break;
+ }
case TK_A_ENV: {
const char *name = rules_str(rules, cur->key.attr_off);
char *value = rules_str(rules, cur->key.value_off);
/* append value separated by space */
udev_event_apply_format(event, value, temp, sizeof(temp));
- util_strscpyl(value_new, sizeof(value_new), value_old, " ", temp, NULL);
+ strscpyl(value_new, sizeof(value_new), value_old, " ", temp, NULL);
} else
udev_event_apply_format(event, value, value_new, sizeof(value_new));
(*p >= '0' && *p <= '9') ||
*p == '-' || *p == '_')
continue;
- log_error("ignoring invalid tag name '%s'\n", tag);
+ log_error("ignoring invalid tag name '%s'", tag);
break;
}
udev_device_add_tag(event->dev, tag);
if (esc == ESCAPE_UNSET || esc == ESCAPE_REPLACE) {
count = util_replace_chars(name_str, "/");
if (count > 0)
- log_debug("%i character(s) replaced\n", count);
+ log_debug("%i character(s) replaced", count);
}
if (major(udev_device_get_devnum(event->dev)) &&
(!streq(name_str, udev_device_get_devnode(event->dev) + strlen("/dev/")))) {
}
free(event->name);
event->name = strdup(name_str);
- log_debug("NAME '%s' %s:%u\n",
+ log_debug("NAME '%s' %s:%u",
event->name,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
else if (esc == ESCAPE_REPLACE)
count = util_replace_chars(temp, "/");
if (count > 0)
- log_debug("%i character(s) replaced\n" , count);
+ log_debug("%i character(s) replaced" , count);
pos = temp;
while (isspace(pos[0]))
pos++;
next = strchr(pos, ' ');
while (next != NULL) {
next[0] = '\0';
- log_debug("LINK '%s' %s:%u\n", pos,
+ log_debug("LINK '%s' %s:%u", pos,
rules_str(rules, rule->rule.filename_off), rule->rule.filename_line);
- util_strscpyl(filename, sizeof(filename), "/dev/", pos, NULL);
+ strscpyl(filename, sizeof(filename), "/dev/", pos, NULL);
udev_device_add_devlink(event->dev, filename);
while (isspace(next[1]))
next++;
next = strchr(pos, ' ');
}
if (pos[0] != '\0') {
- log_debug("LINK '%s' %s:%u\n", pos,
+ log_debug("LINK '%s' %s:%u", pos,
rules_str(rules, rule->rule.filename_off), rule->rule.filename_line);
- util_strscpyl(filename, sizeof(filename), "/dev/", pos, NULL);
+ strscpyl(filename, sizeof(filename), "/dev/", pos, NULL);
udev_device_add_devlink(event->dev, filename);
}
break;
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);
+ 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_str(rules, cur->key.value_off), value, sizeof(value));
- log_debug("ATTR '%s' writing '%s' %s:%u\n", attr, value,
+ log_debug("ATTR '%s' writing '%s' %s:%u", attr, value,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
f = fopen(attr, "we");
if (f != NULL) {
if (fprintf(f, "%s", value) <= 0)
- log_error("error writing ATTR{%s}: %m\n", attr);
+ log_error("error writing ATTR{%s}: %m", attr);
fclose(f);
} else {
- log_error("error opening ATTR{%s} for writing: %m\n", attr);
+ log_error("error opening ATTR{%s} for writing: %m", attr);
}
break;
}
if (cur->key.op == OP_ASSIGN || cur->key.op == OP_ASSIGN_FINAL)
udev_list_cleanup(&event->run_list);
- log_debug("RUN '%s' %s:%u\n",
+ log_debug("RUN '%s' %s:%u",
rules_str(rules, cur->key.value_off),
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
case TK_M_PARENTS_MAX:
case TK_M_MAX:
case TK_UNSET:
- log_error("wrong type %u\n", cur->type);
+ log_error("wrong type %u", cur->type);
goto nomatch;
}
}
}
-void udev_rules_apply_static_dev_perms(struct udev_rules *rules)
+int udev_rules_apply_static_dev_perms(struct udev_rules *rules)
{
struct token *cur;
struct token *rule;
uid_t uid = 0;
gid_t gid = 0;
mode_t mode = 0;
+ _cleanup_strv_free_ char **tags = NULL;
+ char **t;
+ FILE *f = NULL;
+ _cleanup_free_ char *path = NULL;
+ int r = 0;
if (rules->tokens == NULL)
- return;
+ return 0;
cur = &rules->tokens[0];
rule = cur;
uid = 0;
gid = 0;
mode = 0;
+ strv_free(tags);
+ tags = NULL;
break;
case TK_A_OWNER_ID:
uid = cur->key.uid;
break;
case TK_A_MODE_ID:
mode = cur->key.mode;
+ break;
+ case TK_A_TAG:
+ r = strv_extend(&tags, rules_str(rules, cur->key.value_off));
+ if (r < 0)
+ goto finish;
+
break;
case TK_A_STATIC_NODE: {
- char filename[UTIL_PATH_SIZE];
+ char device_node[UTIL_PATH_SIZE];
+ char tags_dir[UTIL_PATH_SIZE];
+ char tag_symlink[UTIL_PATH_SIZE];
struct stat stats;
/* we assure, that the permissions tokens are sorted before the static token */
- if (mode == 0 && uid == 0 && gid == 0)
+ if (mode == 0 && uid == 0 && gid == 0 && tags == NULL)
goto next;
- util_strscpyl(filename, sizeof(filename), "/dev/", rules_str(rules, cur->key.value_off), NULL);
- if (stat(filename, &stats) != 0)
+ strscpyl(device_node, sizeof(device_node), "/dev/", rules_str(rules, cur->key.value_off), NULL);
+ if (stat(device_node, &stats) != 0)
goto next;
if (!S_ISBLK(stats.st_mode) && !S_ISCHR(stats.st_mode))
goto next;
+
+ if (tags) {
+ /* Export the tags to a directory as symlinks, allowing otherwise dead nodes to be tagged */
+
+ STRV_FOREACH(t, tags) {
+ _cleanup_free_ char *unescaped_filename = NULL;
+
+ strscpyl(tags_dir, sizeof(tags_dir), "/run/udev/static_node-tags/", *t, "/", NULL);
+ r = mkdir_p(tags_dir, 0755);
+ if (r < 0) {
+ log_error("failed to create %s: %s", tags_dir, strerror(-r));
+ return r;
+ }
+
+ unescaped_filename = xescape(rules_str(rules, cur->key.value_off), "/.");
+
+ strscpyl(tag_symlink, sizeof(tag_symlink), tags_dir, unescaped_filename, NULL);
+ r = symlink(device_node, tag_symlink);
+ if (r < 0 && errno != EEXIST) {
+ log_error("failed to create symlink %s -> %s: %m", tag_symlink, device_node);
+ return -errno;
+ } else
+ r = 0;
+ }
+ }
+
+ /* don't touch the permissions if only the tags were set */
+ if (mode == 0 && uid == 0 && gid == 0)
+ goto next;
+
if (mode == 0) {
if (gid > 0)
mode = 0660;
mode = 0600;
}
if (mode != (stats.st_mode & 01777)) {
- chmod(filename, mode);
- log_debug("chmod '%s' %#o\n", filename, mode);
+ r = chmod(device_node, mode);
+ if (r < 0) {
+ log_error("failed to chmod '%s' %#o", device_node, mode);
+ return -errno;
+ } else
+ log_debug("chmod '%s' %#o", device_node, mode);
}
if ((uid != 0 && uid != stats.st_uid) || (gid != 0 && gid != stats.st_gid)) {
- chown(filename, uid, gid);
- log_debug("chown '%s' %u %u\n", filename, uid, gid);
+ r = chown(device_node, uid, gid);
+ if (r < 0) {
+ log_error("failed to chown '%s' %u %u ", device_node, uid, gid);
+ return -errno;
+ } else
+ log_debug("chown '%s' %u %u", device_node, uid, gid);
}
- utimensat(AT_FDCWD, filename, NULL, 0);
+ utimensat(AT_FDCWD, device_node, NULL, 0);
break;
}
case TK_END:
- return;
+ goto finish;
}
cur++;
cur = rule + rule->rule.token_count;
continue;
}
+
+finish:
+ if (f) {
+ fflush(f);
+ fchmod(fileno(f), 0644);
+ if (ferror(f) || rename(path, "/run/udev/static_node-tags") < 0) {
+ r = -errno;
+ unlink("/run/udev/static_node-tags");
+ unlink(path);
+ }
+ fclose(f);
+ }
+
+ return r;
}
~ianmdlvl / elogind.git / blobdiff