diff options
Diffstat (limited to 'target/makedevs/makedevs.c')
| -rw-r--r-- | target/makedevs/makedevs.c | 58 |
1 files changed, 35 insertions, 23 deletions
diff --git a/target/makedevs/makedevs.c b/target/makedevs/makedevs.c index d2b3a2a74..bb3310761 100644 --- a/target/makedevs/makedevs.c +++ b/target/makedevs/makedevs.c @@ -25,7 +25,9 @@ #include <pwd.h> #include <grp.h> #include <unistd.h> +#include <ctype.h> #include <errno.h> +#include <libgen.h> #include <stdarg.h> #include <sys/stat.h> #include <sys/types.h> @@ -97,6 +99,13 @@ FILE *bb_xfopen(const char *path, const char *mode) return fp; } +enum { + FILEUTILS_PRESERVE_STATUS = 1, + FILEUTILS_DEREFERENCE = 2, + FILEUTILS_RECUR = 4, + FILEUTILS_FORCE = 8, + FILEUTILS_INTERACTIVE = 16 +}; int bb_make_directory (char *path, long mode, int flags) { mode_t mask; @@ -104,13 +113,6 @@ int bb_make_directory (char *path, long mode, int flags) char *s = path; char c; struct stat st; - enum { - FILEUTILS_PRESERVE_STATUS = 1, - FILEUTILS_DEREFERENCE = 2, - FILEUTILS_RECUR = 4, - FILEUTILS_FORCE = 8, - FILEUTILS_INTERACTIVE = 16 - }; mask = umask(0); if (mode == -1) { @@ -325,20 +327,20 @@ int main(int argc, char **argv) FILE *table = stdin; char *rootdir = "./"; char *line; + int linenum = 0; int ret = EXIT_SUCCESS; - bb_applet_name = argv[0]; + bb_applet_name = basename(argv[0]); + argc--; + argv++; - while ((opt = getopt(argc, argv, "d:r:")) != -1) { + while ((opt = getopt(argc, argv, "d:")) != -1) { switch(opt) { case 'd': table = bb_xfopen(optarg, "r"); break; - case 'n': - rootdir = optarg; - break; default: - fprintf(stderr, "%s: [-r rootdir] [device_table]\n\n", bb_applet_name); + fprintf(stderr, "%s: [-d device_table] rootdir\n\n", bb_applet_name); fprintf(stderr, "Creates a batch of special files as specified in a device table.\n"); fprintf(stderr, "Device table entries take the form of:\n"); fprintf(stderr, "type mode user group major minor start increment count\n\n"); @@ -370,8 +372,13 @@ int main(int argc, char **argv) } } + if (optind >= argc) { + bb_error_msg_and_die("root directory not speficied"); + } + rootdir = argv[optind]; + - if (chdir(rootdir) == -1) { + if (chdir(rootdir) != 0) { bb_perror_msg_and_die("Couldnt chdir to %s", rootdir); } @@ -392,11 +399,16 @@ int main(int argc, char **argv) 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)) { - bb_error_msg("Ignoring invalid line\n%s\n", line); + ((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; } @@ -416,9 +428,9 @@ int main(int argc, char **argv) full_name = concat_path_file(rootdir, name); if (type == 'd') { - bb_make_directory(full_name, mode | S_IFDIR, 0); + bb_make_directory(full_name, mode | S_IFDIR, FILEUTILS_RECUR); if (chown(full_name, uid, gid) == -1) { - bb_perror_msg("chown failed for %s", full_name); + bb_perror_msg("line %d: chown failed for %s", linenum, full_name); ret = EXIT_FAILURE; goto loop; } @@ -434,7 +446,7 @@ int main(int argc, char **argv) else if (type == 'b') { mode |= S_IFBLK; } else { - bb_error_msg("Unsupported file type %c", type); + bb_error_msg("line %d: Unsupported file type %c", linenum, type); ret = EXIT_FAILURE; goto loop; } @@ -448,11 +460,11 @@ int main(int argc, char **argv) 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("Couldnt create node %s", full_name_inc); + bb_perror_msg("line %d: Couldnt create node %s", linenum, full_name_inc); ret = EXIT_FAILURE; } else if (chown(full_name_inc, uid, gid) == -1) { - bb_perror_msg("chown failed for %s", full_name_inc); + bb_perror_msg("line %d: chown failed for %s", linenum, full_name_inc); ret = EXIT_FAILURE; } } @@ -460,11 +472,11 @@ int main(int argc, char **argv) } else { rdev = (major << 8) + minor; if (mknod(full_name, mode, rdev) == -1) { - bb_perror_msg("Couldnt create node %s", full_name); + bb_perror_msg("line %d: Couldnt create node %s", linenum, full_name); ret = EXIT_FAILURE; } else if (chown(full_name, uid, gid) == -1) { - bb_perror_msg("chown failed for %s", full_name); + bb_perror_msg("line %d: chown failed for %s", linenum, full_name); ret = EXIT_FAILURE; } } |