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>
35 struct name_entry *name_list_add(struct udev *udev, struct list_head *name_list, const char *name, int sort)
37 struct name_entry *name_loop;
38 struct name_entry *name_new;
40 /* avoid duplicate entries */
41 list_for_each_entry(name_loop, name_list, node) {
42 if (strcmp(name_loop->name, name) == 0) {
43 dbg(udev, "'%s' is already in the list\n", name);
49 list_for_each_entry(name_loop, name_list, node) {
50 if (strcmp(name_loop->name, name) > 0)
54 name_new = malloc(sizeof(struct name_entry));
57 memset(name_new, 0x00, sizeof(struct name_entry));
58 util_strlcpy(name_new->name, name, sizeof(name_new->name));
59 dbg(udev, "adding '%s'\n", name_new->name);
60 list_add_tail(&name_new->node, &name_loop->node);
65 struct name_entry *name_list_key_add(struct udev *udev, struct list_head *name_list, const char *key, const char *value)
67 struct name_entry *name_loop;
68 struct name_entry *name_new;
69 size_t keylen = strlen(key);
71 list_for_each_entry(name_loop, name_list, node) {
72 if (strncmp(name_loop->name, key, keylen) != 0)
74 if (name_loop->name[keylen] != '=')
76 dbg(udev, "key already present '%s', replace it\n", name_loop->name);
77 snprintf(name_loop->name, sizeof(name_loop->name), "%s=%s", key, value);
78 name_loop->name[sizeof(name_loop->name)-1] = '\0';
82 name_new = malloc(sizeof(struct name_entry));
85 memset(name_new, 0x00, sizeof(struct name_entry));
86 snprintf(name_new->name, sizeof(name_new->name), "%s=%s", key, value);
87 name_new->name[sizeof(name_new->name)-1] = '\0';
88 dbg(udev, "adding '%s'\n", name_new->name);
89 list_add_tail(&name_new->node, &name_loop->node);
94 int name_list_key_remove(struct udev *udev, struct list_head *name_list, const char *key)
96 struct name_entry *name_loop;
97 struct name_entry *name_tmp;
98 size_t keylen = strlen(key);
101 list_for_each_entry_safe(name_loop, name_tmp, name_list, node) {
102 if (strncmp(name_loop->name, key, keylen) != 0)
104 if (name_loop->name[keylen] != '=')
106 list_del(&name_loop->node);
114 void name_list_cleanup(struct udev *udev, struct list_head *name_list)
116 struct name_entry *name_loop;
117 struct name_entry *name_tmp;
119 list_for_each_entry_safe(name_loop, name_tmp, name_list, node) {
120 list_del(&name_loop->node);
125 /* calls function for every file found in specified directory */
126 int add_matching_files(struct udev *udev, struct list_head *name_list, const char *dirname, const char *suffix)
130 char filename[UTIL_PATH_SIZE];
132 dbg(udev, "open directory '%s'\n", dirname);
133 dir = opendir(dirname);
135 err(udev, "unable to open '%s': %m\n", dirname);
141 if (ent == NULL || ent->d_name[0] == '\0')
144 if ((ent->d_name[0] == '.') || (ent->d_name[0] == '#'))
147 /* look for file matching with specified suffix */
148 if (suffix != NULL) {
151 ext = strrchr(ent->d_name, '.');
154 if (strcmp(ext, suffix) != 0)
157 dbg(udev, "put file '%s/%s' into list\n", dirname, ent->d_name);
159 snprintf(filename, sizeof(filename), "%s/%s", dirname, ent->d_name);
160 filename[sizeof(filename)-1] = '\0';
161 name_list_add(udev, name_list, filename, 1);
168 uid_t lookup_user(struct udev *udev, const char *user)
176 if (errno == 0 || errno == ENOENT || errno == ESRCH)
177 err(udev, "specified user '%s' unknown\n", user);
179 err(udev, "error resolving user '%s': %m\n", user);
186 extern gid_t lookup_group(struct udev *udev, const char *group)
192 gr = getgrnam(group);
194 if (errno == 0 || errno == ENOENT || errno == ESRCH)
195 err(udev, "specified group '%s' unknown\n", group);
197 err(udev, "error resolving group '%s': %m\n", group);