diff options
Diffstat (limited to 'busybox/coreutils/install.c')
| -rw-r--r-- | busybox/coreutils/install.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/busybox/coreutils/install.c b/busybox/coreutils/install.c new file mode 100644 index 0000000..36dc1d6 --- /dev/null +++ b/busybox/coreutils/install.c @@ -0,0 +1,151 @@ +/* + * Copyright (C) 2003 by Glenn McGrath <bug1@iinet.net.au> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Library General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * + * TODO: -d option, need a way of recursively making directories and changing + * owner/group, will probably modify bb_make_directory(...) + */ + +#include <sys/stat.h> +#include <sys/types.h> +#include <errno.h> +#include <getopt.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "busybox.h" +#include "libcoreutils/coreutils.h" + +#define INSTALL_OPT_CMD 1 +#define INSTALL_OPT_DIRECTORY 2 +#define INSTALL_OPT_PRESERVE_TIME 4 +#define INSTALL_OPT_STRIP 8 +#define INSTALL_OPT_GROUP 16 +#define INSTALL_OPT_MODE 32 +#define INSTALL_OPT_OWNER 64 + +static const struct option install_long_options[] = { + { "directory", 0, NULL, 'd' }, + { "preserve-timestamps", 0, NULL, 'p' }, + { "strip", 0, NULL, 's' }, + { "group", 0, NULL, 'g' }, + { "mode", 0, NULL, 'm' }, + { "owner", 0, NULL, 'o' }, + { 0, 0, 0, 0 } +}; + +extern int install_main(int argc, char **argv) +{ + struct stat statbuf; + mode_t mode; + uid_t uid; + gid_t gid; + char *gid_str = "-1"; + char *uid_str = "-1"; + char *mode_str = "0755"; + int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE; + int ret = EXIT_SUCCESS; + int flags; + int i; + + bb_applet_long_options = install_long_options; + bb_opt_complementaly = "s~d:d~s"; + /* -c exists for backwards compatability, its needed */ + flags = bb_getopt_ulflags(argc, argv, "cdpsg:m:o:", &gid_str, &mode_str, &uid_str); /* 'a' must be 2nd */ + + /* Check valid options were given */ + if(flags & 0x80000000UL) { + bb_show_usage(); + } + + /* preserve access and modification time, this is GNU behaviour, BSD only preserves modification time */ + if (flags & INSTALL_OPT_PRESERVE_TIME) { + copy_flags |= FILEUTILS_PRESERVE_STATUS; + } + bb_parse_mode(mode_str, &mode); + gid = get_ug_id(gid_str, my_getgrnam); + uid = get_ug_id(uid_str, my_getpwnam); + umask(0); + + /* Create directories + * dont use bb_make_directory() as it cant change uid or gid + * perhaps bb_make_directory() should be improved. + */ + if (flags & INSTALL_OPT_DIRECTORY) { + for (argv += optind; *argv; argv++) { + char *old_argv_ptr = *argv + 1; + char *argv_ptr; + do { + argv_ptr = strchr(old_argv_ptr, '/'); + old_argv_ptr = argv_ptr; + if (argv_ptr) { + *argv_ptr = '\0'; + old_argv_ptr++; + } + if (mkdir(*argv, mode) == -1) { + if (errno != EEXIST) { + bb_perror_msg("coulnt create %s", *argv); + ret = EXIT_FAILURE; + break; + } + } + else if (lchown(*argv, uid, gid) == -1) { + bb_perror_msg("cannot change ownership of %s", *argv); + ret = EXIT_FAILURE; + break; + } + if (argv_ptr) { + *argv_ptr = '/'; + } + } while (old_argv_ptr); + } + return(ret); + } + + cp_mv_stat2(argv[argc - 1], &statbuf, lstat); + for (i = optind; i < argc - 1; i++) { + unsigned char *dest; + + if (S_ISDIR(statbuf.st_mode)) { + dest = concat_path_file(argv[argc - 1], basename(argv[i])); + } else { + dest = argv[argc - 1]; + } + ret |= copy_file(argv[i], dest, copy_flags); + + /* Set the file mode */ + if (chmod(dest, mode) == -1) { + bb_perror_msg("cannot change permissions of %s", dest); + ret = EXIT_FAILURE; + } + + /* Set the user and group id */ + if (lchown(dest, uid, gid) == -1) { + bb_perror_msg("cannot change ownership of %s", dest); + ret = EXIT_FAILURE; + } + if (flags & INSTALL_OPT_STRIP) { + if (execlp("strip", "strip", dest, NULL) == -1) { + bb_error_msg("strip failed"); + ret = EXIT_FAILURE; + } + } + } + + return(ret); +} |