/* vi: set sw=4 ts=4: */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <time.h>
-#include <ctype.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/sysmacros.h> /* major() and minor() */
-#include "busybox.h"
-
-#ifdef CONFIG_FEATURE_MAKEDEVS_LEAF
/*
* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
*
* Make ranges of device files quickly.
* known bugs: can't deal with alpha ranges
*/
+
+//usage:#if ENABLE_FEATURE_MAKEDEVS_LEAF
+//usage:#define makedevs_trivial_usage
+//usage: "NAME TYPE MAJOR MINOR FIRST LAST [s]"
+//usage:#define makedevs_full_usage "\n\n"
+//usage: "Create a range of block or character special files"
+//usage: "\n"
+//usage: "\nTYPE is:"
+//usage: "\n b Block device"
+//usage: "\n c Character device"
+//usage: "\n f FIFO, MAJOR and MINOR are ignored"
+//usage: "\n"
+//usage: "\nFIRST..LAST specify numbers appended to NAME."
+//usage: "\nIf 's' is the last argument, the base device is created as well."
+//usage: "\n"
+//usage: "\nExamples:"
+//usage: "\n makedevs /dev/ttyS c 4 66 2 63 -> ttyS2-ttyS63"
+//usage: "\n makedevs /dev/hda b 3 0 0 8 s -> hda,hda1-hda8"
+//usage:
+//usage:#define makedevs_example_usage
+//usage: "# makedevs /dev/ttyS c 4 66 2 63\n"
+//usage: "[creates ttyS2-ttyS63]\n"
+//usage: "# makedevs /dev/hda b 3 0 0 8 s\n"
+//usage: "[creates hda,hda1-hda8]\n"
+//usage:#endif
+//usage:
+//usage:#if ENABLE_FEATURE_MAKEDEVS_TABLE
+//usage:#define makedevs_trivial_usage
+//usage: "[-d device_table] rootdir"
+//usage:#define makedevs_full_usage "\n\n"
+//usage: "Create a range of special files as specified in a device table.\n"
+//usage: "Device table entries take the form of:\n"
+//usage: "<name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count>\n"
+//usage: "Where name is the file name, type can be one of:\n"
+//usage: " f Regular file\n"
+//usage: " d Directory\n"
+//usage: " c Character device\n"
+//usage: " b Block device\n"
+//usage: " p Fifo (named pipe)\n"
+//usage: "uid is the user id for the target file, gid is the group id for the\n"
+//usage: "target file. The rest of the entries (major, minor, etc) apply to\n"
+//usage: "to device special files. A '-' may be used for blank entries."
+//usage:
+//usage:#define makedevs_example_usage
+//usage: "For example:\n"
+//usage: "<name> <type> <mode><uid><gid><major><minor><start><inc><count>\n"
+//usage: "/dev d 755 0 0 - - - - -\n"
+//usage: "/dev/console c 666 0 0 5 1 - - -\n"
+//usage: "/dev/null c 666 0 0 1 3 0 0 -\n"
+//usage: "/dev/zero c 666 0 0 1 5 0 0 -\n"
+//usage: "/dev/hda b 640 0 0 3 0 0 0 -\n"
+//usage: "/dev/hda b 640 0 0 3 1 1 1 15\n\n"
+//usage: "Will Produce:\n"
+//usage: "/dev\n"
+//usage: "/dev/console\n"
+//usage: "/dev/null\n"
+//usage: "/dev/zero\n"
+//usage: "/dev/hda\n"
+//usage: "/dev/hda[0-15]\n"
+//usage:#endif
+
+#include "libbb.h"
+
+#if ENABLE_FEATURE_MAKEDEVS_LEAF
+/*
+makedevs NAME TYPE MAJOR MINOR FIRST LAST [s]
+TYPEs:
+b Block device
+c Character device
+f FIFO
+
+FIRST..LAST specify numbers appended to NAME.
+If 's' is the last argument, the base device is created as well.
+Examples:
+ makedevs /dev/ttyS c 4 66 2 63 -> ttyS2-ttyS63
+ makedevs /dev/hda b 3 0 0 8 s -> hda,hda1-hda8
+*/
+int makedevs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int makedevs_main(int argc, char **argv)
{
mode_t mode;
- char *basedev, *type, *nodname, buf[255];
+ char *basedev, *type, *nodname, *buf;
int Smajor, Sminor, S, E;
- if (argc < 7 || *argv[1]=='-')
+ if (argc < 7 || argv[1][0] == '-')
bb_show_usage();
basedev = argv[1];
+ buf = xasprintf("%s%u", argv[1], (unsigned)-1);
type = argv[2];
- Smajor = atoi(argv[3]);
- Sminor = atoi(argv[4]);
- S = atoi(argv[5]);
- E = atoi(argv[6]);
- nodname = argc == 8 ? basedev : buf;
+ Smajor = xatoi_positive(argv[3]);
+ Sminor = xatoi_positive(argv[4]);
+ S = xatoi_positive(argv[5]);
+ E = xatoi_positive(argv[6]);
+ nodname = argv[7] ? basedev : buf;
mode = 0660;
-
switch (type[0]) {
case 'c':
mode |= S_IFCHR;
}
while (S <= E) {
- int sz;
-
- sz = snprintf(buf, sizeof(buf), "%s%d", basedev, S);
- if(sz<0 || sz>=sizeof(buf)) /* libc different */
- bb_error_msg_and_die("%s too large", basedev);
-
- /* if mode != S_IFCHR and != S_IFBLK third param in mknod() ignored */
+ sprintf(buf, "%s%u", basedev, S);
+ /* if mode != S_IFCHR and != S_IFBLK,
+ * third param in mknod() ignored */
if (mknod(nodname, mode, makedev(Smajor, Sminor)))
- bb_error_msg("Failed to create: %s", nodname);
+ bb_perror_msg("can't create '%s'", nodname);
- if (nodname == basedev) /* ex. /dev/hda - to /dev/hda1 ... */
+ /*if (nodname == basedev)*/ /* ex. /dev/hda - to /dev/hda1 ... */
nodname = buf;
S++;
Sminor++;
return 0;
}
-#elif defined CONFIG_FEATURE_MAKEDEVS_TABLE
+#elif ENABLE_FEATURE_MAKEDEVS_TABLE
-/* Licensed under the GPL v2 or later, see the file LICENSE in this tarball. */
+/* Licensed under GPLv2 or later, see file LICENSE in this source tree. */
-extern int makedevs_main(int argc, char **argv)
+int makedevs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int makedevs_main(int argc UNUSED_PARAM, char **argv)
{
- FILE *table = stdin;
- char *rootdir = NULL;
- char *line = NULL;
- int linenum = 0;
+ parser_t *parser;
+ char *line = (char *)"-";
int ret = EXIT_SUCCESS;
- unsigned long flags;
- flags = bb_getopt_ulflags(argc, argv, "d:", &line);
- if (line)
- table = bb_xfopen(line, "r");
-
- if (optind >= argc || (rootdir=argv[optind])==NULL) {
- bb_error_msg_and_die("root directory not specified");
- }
+ opt_complementary = "=1"; /* exactly one param */
+ getopt32(argv, "d:", &line);
+ argv += optind;
- if (chdir(rootdir) != 0) {
- bb_perror_msg_and_die("could not chdir to %s", rootdir);
- }
+ xchdir(*argv); /* ensure root dir exists */
umask(0);
- printf("rootdir=%s\n", rootdir);
- if (line) {
- printf("table='%s'\n", line);
+ printf("rootdir=%s\ntable=", *argv);
+ if (NOT_LONE_DASH(line)) {
+ printf("'%s'\n", line);
} else {
- printf("table=<stdin>\n");
+ puts("<stdin>");
}
- while ((line = bb_get_chomped_line_from_file(table))) {
+ parser = config_open(line);
+ while (config_read(parser, &line, 1, 1, "# \t", PARSE_NORMAL)) {
+ int linenum;
char type;
- unsigned int mode = 0755;
- unsigned int major = 0;
- unsigned int minor = 0;
- unsigned int count = 0;
- unsigned int increment = 0;
- unsigned int start = 0;
+ unsigned mode = 0755;
+ unsigned major = 0;
+ unsigned minor = 0;
+ unsigned count = 0;
+ unsigned increment = 0;
+ unsigned start = 0;
char name[41];
char user[41];
char group[41];
- char *full_name;
+ char *full_name = name;
uid_t uid;
gid_t gid;
- linenum++;
+ linenum = parser->lineno;
- if ((2 > sscanf(line, "%40s %c %o %40s %40s %u %u %u %u %u", name,
- &type, &mode, user, group, &major,
- &minor, &start, &increment, &count)) ||
- ((major | minor | start | count | increment) > 255))
- {
- if (*line=='\0' || *line=='#' || isspace(*line))
- continue;
- bb_error_msg("line %d invalid: '%s'\n", linenum, line);
+ if ((2 > sscanf(line, "%40s %c %o %40s %40s %u %u %u %u %u",
+ name, &type, &mode, user, group,
+ &major, &minor, &start, &increment, &count))
+ || ((unsigned)(major | minor | start | count | increment) > 255)
+ ) {
+ bb_error_msg("invalid line %d: '%s'", linenum, line);
ret = EXIT_FAILURE;
continue;
}
- if (name[0] == '#') {
- continue;
- }
- gid = (*group) ? get_ug_id(group, bb_xgetgrnam) : getgid();
- uid = (*user) ? get_ug_id(user, bb_xgetpwnam) : getuid();
- full_name = concat_path_file(rootdir, name);
+ gid = (*group) ? get_ug_id(group, xgroup2gid) : getgid();
+ uid = (*user) ? get_ug_id(user, xuname2uid) : getuid();
+ /* We are already in the right root dir,
+ * so make absolute paths relative */
+ if ('/' == *full_name)
+ full_name++;
if (type == 'd') {
bb_make_directory(full_name, mode | S_IFDIR, FILEUTILS_RECUR);
if (chown(full_name, uid, gid) == -1) {
- bb_perror_msg("line %d: chown failed for %s", linenum, full_name);
+ chown_fail:
+ bb_perror_msg("line %d: can't chown %s", linenum, full_name);
ret = EXIT_FAILURE;
- goto loop;
+ continue;
}
- if ((mode != -1) && (chmod(full_name, mode) < 0)){
- bb_perror_msg("line %d: chmod failed for %s", linenum, full_name);
+ if (chmod(full_name, mode) < 0) {
+ chmod_fail:
+ bb_perror_msg("line %d: can't chmod %s", linenum, full_name);
ret = EXIT_FAILURE;
- goto loop;
+ continue;
}
} else if (type == 'f') {
struct stat st;
if ((stat(full_name, &st) < 0 || !S_ISREG(st.st_mode))) {
bb_perror_msg("line %d: regular file '%s' does not exist", linenum, full_name);
ret = EXIT_FAILURE;
- goto loop;
- }
- if (chown(full_name, uid, gid) == -1) {
- bb_perror_msg("line %d: chown failed for %s", linenum, full_name);
- ret = EXIT_FAILURE;
- goto loop;
- }
- if ((mode != -1) && (chmod(full_name, mode) < 0)){
- bb_perror_msg("line %d: chmod failed for %s", linenum, full_name);
- ret = EXIT_FAILURE;
- goto loop;
+ continue;
}
- } else
- {
+ if (chown(full_name, uid, gid) < 0)
+ goto chown_fail;
+ if (chmod(full_name, mode) < 0)
+ goto chmod_fail;
+ } else {
dev_t rdev;
+ unsigned i;
+ char *full_name_inc;
if (type == 'p') {
mode |= S_IFIFO;
- }
- else if (type == 'c') {
+ } else if (type == 'c') {
mode |= S_IFCHR;
- }
- else if (type == 'b') {
+ } else if (type == 'b') {
mode |= S_IFBLK;
} else {
bb_error_msg("line %d: unsupported file type %c", linenum, type);
ret = EXIT_FAILURE;
- goto loop;
+ continue;
}
- if (count > 0) {
- int i;
- char *full_name_inc;
-
- full_name_inc = xmalloc(strlen(full_name) + 4);
- for (i = start; i < count; i++) {
- sprintf(full_name_inc, "%s%d", full_name, i);
- rdev = (major << 8) + minor + (i * increment - start);
- if (mknod(full_name_inc, mode, rdev) == -1) {
- bb_perror_msg("line %d: could not create node %s", linenum, full_name_inc);
- ret = EXIT_FAILURE;
- }
- else if (chown(full_name_inc, uid, gid) == -1) {
- bb_perror_msg("line %d: chown failed for %s", linenum, full_name_inc);
- ret = EXIT_FAILURE;
- }
- if ((mode != -1) && (chmod(full_name_inc, mode) < 0)){
- bb_perror_msg("line %d: chmod failed for %s", linenum, full_name_inc);
- ret = EXIT_FAILURE;
- }
- }
- free(full_name_inc);
- } else {
- rdev = (major << 8) + minor;
- if (mknod(full_name, mode, rdev) == -1) {
- bb_perror_msg("line %d: could not create node %s", linenum, full_name);
+ full_name_inc = xmalloc(strlen(full_name) + sizeof(int)*3 + 2);
+ if (count)
+ count--;
+ for (i = start; i <= start + count; i++) {
+ sprintf(full_name_inc, count ? "%s%u" : "%s", full_name, i);
+ rdev = makedev(major, minor + (i - start) * increment);
+ if (mknod(full_name_inc, mode, rdev) < 0) {
+ bb_perror_msg("line %d: can't create node %s", linenum, full_name_inc);
ret = EXIT_FAILURE;
- }
- else if (chown(full_name, uid, gid) == -1) {
- bb_perror_msg("line %d: chown failed for %s", linenum, full_name);
+ } else if (chown(full_name_inc, uid, gid) < 0) {
+ bb_perror_msg("line %d: can't chown %s", linenum, full_name_inc);
ret = EXIT_FAILURE;
- }
- if ((mode != -1) && (chmod(full_name, mode) < 0)){
- bb_perror_msg("line %d: chmod failed for %s", linenum, full_name);
+ } else if (chmod(full_name_inc, mode) < 0) {
+ bb_perror_msg("line %d: can't chmod %s", linenum, full_name_inc);
ret = EXIT_FAILURE;
}
}
+ free(full_name_inc);
}
-loop:
- free(line);
- free(full_name);
}
- fclose(table);
+ if (ENABLE_FEATURE_CLEAN_UP)
+ config_close(parser);
- return 0;
+ return ret;
}
#else
-# error makdedevs configuration error, either leaf or table must be selected
+# error makedevs configuration error, either leaf or table must be selected
#endif
projects / platform / upstream / busybox.git / blobdiff