* 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
TYPEs:
b Block device
c Character device
-p FIFO
+f FIFO
FIRST..LAST specify numbers appended to NAME.
If 's' is the last argument, the base device is created as well.
basedev = argv[1];
buf = xasprintf("%s%u", argv[1], (unsigned)-1);
type = argv[2];
- Smajor = xatoi_u(argv[3]);
- Sminor = xatoi_u(argv[4]);
- S = xatoi_u(argv[5]);
- E = xatoi_u(argv[6]);
+ 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;
/* if mode != S_IFCHR and != S_IFBLK,
* third param in mknod() ignored */
if (mknod(nodname, mode, makedev(Smajor, Sminor)))
- bb_perror_msg("can't create %s", nodname);
+ bb_perror_msg("can't create '%s'", nodname);
/*if (nodname == basedev)*/ /* ex. /dev/hda - to /dev/hda1 ... */
nodname = buf;
#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. */
int makedevs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int makedevs_main(int argc UNUSED_PARAM, char **argv)
{
parser_t *parser;
- char *rootdir = NULL;
char *line = (char *)"-";
- int linenum;
int ret = EXIT_SUCCESS;
opt_complementary = "=1"; /* exactly one param */
getopt32(argv, "d:", &line);
- rootdir = argv[optind];
- parser = config_open(line);
+ argv += optind;
- xchdir(rootdir);
+ xchdir(*argv); /* ensure root dir exists */
umask(0);
- printf("rootdir=%s\n", rootdir);
+ printf("rootdir=%s\ntable=", *argv);
if (NOT_LONE_DASH(line)) {
- printf("table='%s'\n", line);
+ printf("'%s'\n", line);
} else {
- printf("table=<stdin>\n");
+ puts("<stdin>");
}
+ parser = config_open(line);
while (config_read(parser, &line, 1, 1, "# \t", PARSE_NORMAL)) {
+ int linenum;
char type;
unsigned mode = 0755;
unsigned major = 0;
char name[41];
char user[41];
char group[41];
- char *full_name;
+ char *full_name = name;
uid_t uid;
gid_t gid;
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, &increment, &count))
|| ((unsigned)(major | minor | start | count | increment) > 255)
) {
bb_error_msg("invalid line %d: '%s'", linenum, line);
gid = (*group) ? get_ug_id(group, xgroup2gid) : getgid();
uid = (*user) ? get_ug_id(user, xuname2uid) : getuid();
- full_name = concat_path_file(rootdir, name);
+ /* 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);
chown_fail:
bb_perror_msg("line %d: can't chown %s", linenum, full_name);
ret = EXIT_FAILURE;
- goto loop;
+ continue;
}
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;
+ continue;
}
if (chown(full_name, uid, gid) < 0)
goto chown_fail;
} else {
bb_error_msg("line %d: unsupported file type %c", linenum, type);
ret = EXIT_FAILURE;
- goto loop;
+ continue;
}
full_name_inc = xmalloc(strlen(full_name) + sizeof(int)*3 + 2);
}
free(full_name_inc);
}
-loop:
- free(full_name);
}
if (ENABLE_FEATURE_CLEAN_UP)
config_close(parser);
projects / oweals / busybox.git / blobdiff