X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=miscutils%2Fmakedevs.c;h=24d07ebe0f3f253fd8b35395aee346bf306dda9e;hb=3a2b103eea9f87fa476b1f8c4ed4a11b7422eab8;hp=54a2e000a94443e5f10a419c0c7577aa8b804691;hpb=cbcdbc41ffab413767569891b58526b4d1066627;p=oweals%2Fbusybox.git

diff --git a/miscutils/makedevs.c b/miscutils/makedevs.c
index 54a2e000a..24d07ebe0 100644
--- a/miscutils/makedevs.c
+++ b/miscutils/makedevs.c
@@ -11,11 +11,14 @@
 #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
 int makedevs_main(int argc, char **argv)
 {
 	mode_t mode;
@@ -70,24 +73,168 @@ int makedevs_main(int argc, char **argv)
 	return 0;
 }
 
-/*
-And this is what this program replaces. The shell is too slow!
-
-makedev () {
-local basedev=$1; local S=$2; local E=$3
-local major=$4; local Sminor=$5; local type=$6
-local sbase=$7
-
-	if [ ! "$sbase" = "" ]; then
-		mknod "$basedev" $type $major $Sminor
-		S=`expr $S + 1`
-		Sminor=`expr $Sminor + 1`
-	fi
-
-	while [ $S -le $E ]; do
-		mknod "$basedev$S" $type $major $Sminor
-		S=`expr $S + 1`
-		Sminor=`expr $Sminor + 1`
-	done
+#elif defined CONFIG_FEATURE_MAKEDEVS_TABLE
+
+/* Licensed under the GPL v2 or later, see the file LICENSE in this tarball. */
+
+int makedevs_main(int argc, char **argv)
+{
+	FILE *table = stdin;
+	char *rootdir = NULL;
+	char *line = NULL;
+	int linenum = 0;
+	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");
+	}
+
+	bb_xchdir(rootdir);
+
+	umask(0);
+
+	printf("rootdir=%s\n", rootdir);
+	if (line) {
+		printf("table='%s'\n", line);
+	} else {
+		printf("table=<stdin>\n");
+	}
+
+	while ((line = bb_get_chomped_line_from_file(table))) {
+		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;
+		char name[41];
+		char user[41];
+		char group[41];
+		char *full_name;
+		uid_t uid;
+		gid_t gid;
+
+		linenum++;
+
+		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);
+			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);
+
+		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);
+				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;
+			}
+		} 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;
+			}
+		} else
+		{
+			dev_t rdev;
+
+			if (type == 'p') {
+				mode |= S_IFIFO;
+			}
+			else if (type == 'c') {
+				mode |= S_IFCHR;
+			}
+			else if (type == 'b') {
+				mode |= S_IFBLK;
+			} else {
+				bb_error_msg("line %d: unsupported file type %c", linenum, type);
+				ret = EXIT_FAILURE;
+				goto loop;
+			}
+
+			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);
+					ret = EXIT_FAILURE;
+				}
+				else if (chown(full_name, uid, gid) == -1) {
+					bb_perror_msg("line %d: chown failed for %s", linenum, full_name);
+					ret = EXIT_FAILURE;
+				}
+				if ((mode != -1) && (chmod(full_name, mode) < 0)){
+					bb_perror_msg("line %d: chmod failed for %s", linenum, full_name);
+					ret = EXIT_FAILURE;
+				}
+			}
+		}
+loop:
+		free(line);
+		free(full_name);
+	}
+	fclose(table);
+
+	return 0;
 }
-*/
+
+#else
+# error makedevs configuration error, either leaf or table must be selected
+#endif