2 * Copyright (C) 2004-2008 Kay Sievers <kay.sievers@vrfy.org>
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 #include <sys/types.h>
31 #include <sys/utsname.h>
36 int log_priority(const char *priority)
41 prio = strtol(priority, &endptr, 10);
42 if (endptr[0] == '\0')
44 if (strncasecmp(priority, "err", 3) == 0)
46 if (strcasecmp(priority, "info") == 0)
48 if (strcasecmp(priority, "debug") == 0)
50 if (string_is_true(priority))
56 struct name_entry *name_list_add(struct udev *udev, struct list_head *name_list, const char *name, int sort)
58 struct name_entry *name_loop;
59 struct name_entry *name_new;
61 /* avoid duplicate entries */
62 list_for_each_entry(name_loop, name_list, node) {
63 if (strcmp(name_loop->name, name) == 0) {
64 dbg(udev, "'%s' is already in the list\n", name);
70 list_for_each_entry(name_loop, name_list, node) {
71 if (strcmp(name_loop->name, name) > 0)
75 name_new = malloc(sizeof(struct name_entry));
78 memset(name_new, 0x00, sizeof(struct name_entry));
79 strlcpy(name_new->name, name, sizeof(name_new->name));
80 dbg(udev, "adding '%s'\n", name_new->name);
81 list_add_tail(&name_new->node, &name_loop->node);
86 struct name_entry *name_list_key_add(struct udev *udev, struct list_head *name_list, const char *key, const char *value)
88 struct name_entry *name_loop;
89 struct name_entry *name_new;
90 size_t keylen = strlen(key);
92 list_for_each_entry(name_loop, name_list, node) {
93 if (strncmp(name_loop->name, key, keylen) != 0)
95 if (name_loop->name[keylen] != '=')
97 dbg(udev, "key already present '%s', replace it\n", name_loop->name);
98 snprintf(name_loop->name, sizeof(name_loop->name), "%s=%s", key, value);
99 name_loop->name[sizeof(name_loop->name)-1] = '\0';
103 name_new = malloc(sizeof(struct name_entry));
104 if (name_new == NULL)
106 memset(name_new, 0x00, sizeof(struct name_entry));
107 snprintf(name_new->name, sizeof(name_new->name), "%s=%s", key, value);
108 name_new->name[sizeof(name_new->name)-1] = '\0';
109 dbg(udev, "adding '%s'\n", name_new->name);
110 list_add_tail(&name_new->node, &name_loop->node);
115 int name_list_key_remove(struct udev *udev, struct list_head *name_list, const char *key)
117 struct name_entry *name_loop;
118 struct name_entry *name_tmp;
119 size_t keylen = strlen(key);
122 list_for_each_entry_safe(name_loop, name_tmp, name_list, node) {
123 if (strncmp(name_loop->name, key, keylen) != 0)
125 if (name_loop->name[keylen] != '=')
127 list_del(&name_loop->node);
135 void name_list_cleanup(struct udev *udev, struct list_head *name_list)
137 struct name_entry *name_loop;
138 struct name_entry *name_tmp;
140 list_for_each_entry_safe(name_loop, name_tmp, name_list, node) {
141 list_del(&name_loop->node);
146 /* calls function for every file found in specified directory */
147 int add_matching_files(struct udev *udev, struct list_head *name_list, const char *dirname, const char *suffix)
151 char filename[PATH_SIZE];
153 dbg(udev, "open directory '%s'\n", dirname);
154 dir = opendir(dirname);
156 err(udev, "unable to open '%s': %s\n", dirname, strerror(errno));
162 if (ent == NULL || ent->d_name[0] == '\0')
165 if ((ent->d_name[0] == '.') || (ent->d_name[0] == COMMENT_CHARACTER))
168 /* look for file matching with specified suffix */
169 if (suffix != NULL) {
172 ext = strrchr(ent->d_name, '.');
175 if (strcmp(ext, suffix) != 0)
178 dbg(udev, "put file '%s/%s' into list\n", dirname, ent->d_name);
180 snprintf(filename, sizeof(filename), "%s/%s", dirname, ent->d_name);
181 filename[sizeof(filename)-1] = '\0';
182 name_list_add(udev, name_list, filename, 1);
189 uid_t lookup_user(struct udev *udev, const char *user)
197 if (errno == 0 || errno == ENOENT || errno == ESRCH)
198 err(udev, "specified user '%s' unknown\n", user);
200 err(udev, "error resolving user '%s': %s\n", user, strerror(errno));
207 extern gid_t lookup_group(struct udev *udev, const char *group)
213 gr = getgrnam(group);
215 if (errno == 0 || errno == ENOENT || errno == ESRCH)
216 err(udev, "specified group '%s' unknown\n", group);
218 err(udev, "error resolving group '%s': %s\n", group, strerror(errno));