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authorEric Andersen <andersen@codepoet.org>2005-06-09 10:16:02 +0000
committerEric Andersen <andersen@codepoet.org>2005-06-09 10:16:02 +0000
commit3d9256225fe96b06f6e895f693c9b17519758b6c (patch)
treee2d8a335fd223f33b787679a2cdc608dee2b3cbe /miscutils/makedevs.c
parent06813d066b379ce74801a6c125213a03104fc4e1 (diff)
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About time to just apply this and kill off the patches
Diffstat (limited to 'miscutils/makedevs.c')
-rw-r--r--miscutils/makedevs.c184
1 files changed, 158 insertions, 26 deletions
diff --git a/miscutils/makedevs.c b/miscutils/makedevs.c
index 54a2e000a..2c9a0a9af 100644
--- a/miscutils/makedevs.c
+++ b/miscutils/makedevs.c
@@ -1,21 +1,24 @@
1/* vi: set sw=4 ts=4: */ 1/* vi: set sw=4 ts=4: */
2/*
3 * public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
4 *
5 * makedevs
6 * Make ranges of device files quickly.
7 * known bugs: can't deal with alpha ranges
8 */
9 2
10#include <stdio.h> 3#include <stdio.h>
11#include <stdlib.h> 4#include <stdlib.h>
12#include <string.h> 5#include <string.h>
13#include <fcntl.h> 6#include <fcntl.h>
7#include <getopt.h>
8#include <time.h>
14#include <unistd.h> 9#include <unistd.h>
15#include <sys/types.h> 10#include <sys/types.h>
16#include <sys/sysmacros.h> /* major() and minor() */ 11#include <sys/sysmacros.h> /* major() and minor() */
17#include "busybox.h" 12#include "busybox.h"
18 13
14#ifdef CONFIG_FEATURE_MAKEDEVS_LEAF
15/*
16 * public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
17 *
18 * makedevs
19 * Make ranges of device files quickly.
20 * known bugs: can't deal with alpha ranges
21 */
19int makedevs_main(int argc, char **argv) 22int makedevs_main(int argc, char **argv)
20{ 23{
21 mode_t mode; 24 mode_t mode;
@@ -70,24 +73,153 @@ int makedevs_main(int argc, char **argv)
70 return 0; 73 return 0;
71} 74}
72 75
76#elif defined CONFIG_FEATURE_MAKEDEVS_TABLE
77
73/* 78/*
74And this is what this program replaces. The shell is too slow! 79 * This program is free software; you can redistribute it and/or modify
75 80 * it under the terms of the GNU General Public License version 2 as
76makedev () { 81 * published by the Free Software Foundation.
77local basedev=$1; local S=$2; local E=$3 82 *
78local major=$4; local Sminor=$5; local type=$6 83 * This program is distributed in the hope that it will be useful,
79local sbase=$7 84 * but WITHOUT ANY WARRANTY; without even the implied warranty of
80 85 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
81 if [ ! "$sbase" = "" ]; then 86 * GNU Library General Public License for more details.
82 mknod "$basedev" $type $major $Sminor 87 *
83 S=`expr $S + 1` 88 * You should have received a copy of the GNU General Public License
84 Sminor=`expr $Sminor + 1` 89 * along with this program; if not, write to the Free Software
85 fi 90 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
86 91 *
87 while [ $S -le $E ]; do 92 */
88 mknod "$basedev$S" $type $major $Sminor 93
89 S=`expr $S + 1` 94static const struct option makedevs_long_options[] = {
90 Sminor=`expr $Sminor + 1` 95 {"root", 1, NULL, 'r'},
91 done 96 {0, 0, 0, 0}
97};
98
99extern int makedevs_main(int argc, char **argv)
100{
101 FILE *table;
102 int opt;
103 char *rootdir = "./";
104 char *line;
105 int ret = EXIT_SUCCESS;
106
107 bb_opt_complementaly = "d~r";
108 bb_applet_long_options = makedevs_long_options;
109 opt = bb_getopt_ulflags(argc, argv, "d:r:", &rootdir, &rootdir);
110
111 if (optind + 1 == argc) {
112 table = bb_xfopen(argv[optind], "r");
113 } else {
114 table = stdin;
115 }
116
117 if (chdir(rootdir) == -1) {
118 bb_perror_msg_and_die("Couldnt chdor to %s", rootdir);
119 }
120
121 umask(0);
122
123 while ((line = bb_get_chomped_line_from_file(table))) {
124 char type;
125 unsigned int mode = 0755;
126 unsigned int major = 0;
127 unsigned int minor = 0;
128 unsigned int count = 0;
129 unsigned int increment = 0;
130 unsigned int start = 0;
131 char name[41];
132 char user[41];
133 char group[41];
134 char *full_name;
135 uid_t uid;
136 gid_t gid;
137
138 if ((2 > sscanf(line, "%40s %c %o %40s %40s %u %u %u %u %u", name,
139 &type, &mode, user, group, &major,
140 &minor, &start, &increment, &count)) ||
141 ((major | minor | start | count | increment) > 255)) {
142 bb_error_msg("Ignoring invalid line\n%s\n", line);
143 ret = EXIT_FAILURE;
144 continue;
145 }
146 if (name[0] == '#') {
147 continue;
148 }
149 if (group) {
150 gid = get_ug_id(group, my_getgrnam);
151 } else {
152 gid = getgid();
153 }
154 if (user) {
155 uid = get_ug_id(user, my_getpwnam);
156 } else {
157 uid = getuid();
158 }
159 full_name = concat_path_file(rootdir, name);
160
161 if (type == 'd') {
162 bb_make_directory(full_name, mode | S_IFDIR, 0);
163 if (chown(full_name, uid, gid) == -1) {
164 bb_perror_msg("chown failed for %s", full_name);
165 ret = EXIT_FAILURE;
166 goto loop;
167 }
168 } else {
169 dev_t rdev;
170
171 if (type == 'p') {
172 mode |= S_IFIFO;
173 }
174 else if (type == 'c') {
175 mode |= S_IFCHR;
176 }
177 else if (type == 'b') {
178 mode |= S_IFBLK;
179 } else {
180 bb_error_msg("Unsupported file type %c", type);
181 ret = EXIT_FAILURE;
182 goto loop;
183 }
184
185 if (count > 0) {
186 int i;
187 char *full_name_inc;
188
189 full_name_inc = xmalloc(strlen(full_name) + 4);
190 for (i = start; i < count; i++) {
191 sprintf(full_name_inc, "%s%d", full_name, i);
192 rdev = (major << 8) + minor + (i * increment - start);
193 if (mknod(full_name_inc, mode, rdev) == -1) {
194 bb_perror_msg("Couldnt create node %s", full_name_inc);
195 ret = EXIT_FAILURE;
196 }
197 else if (chown(full_name_inc, uid, gid) == -1) {
198 bb_perror_msg("chown failed for %s", full_name_inc);
199 ret = EXIT_FAILURE;
200 }
201 }
202 free(full_name_inc);
203 } else {
204 rdev = (major << 8) + minor;
205 if (mknod(full_name, mode, rdev) == -1) {
206 bb_perror_msg("Couldnt create node %s", full_name);
207 ret = EXIT_FAILURE;
208 }
209 else if (chown(full_name, uid, gid) == -1) {
210 bb_perror_msg("chown failed for %s", full_name);
211 ret = EXIT_FAILURE;
212 }
213 }
214 }
215loop:
216 free(line);
217 free(full_name);
218 }
219 fclose(table);
220
221 return 0;
92} 222}
93*/ 223#else
224# error makdedevs configuration error, either leaf or table must be selected
225#endif
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