diff options
Diffstat (limited to 'coreutils/install.c')
| -rw-r--r-- | coreutils/install.c | 122 |
1 files changed, 69 insertions, 53 deletions
diff --git a/coreutils/install.c b/coreutils/install.c index cf62a00..5162084 100644 --- a/coreutils/install.c +++ b/coreutils/install.c @@ -1,6 +1,6 @@ /* vi: set sw=4 ts=4: */ /* - * Copyright (C) 2003 by Glenn McGrath <bug1@iinet.net.au> + * Copyright (C) 2003 by Glenn McGrath * SELinux support: by Yuichi Nakamura <ynakam@hitachisoft.jp> * * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. @@ -23,6 +23,8 @@ static const char install_longopts[] ALIGN1 = "group\0" No_argument "g" "mode\0" No_argument "m" "owner\0" No_argument "o" +/* autofs build insists of using -b --suffix=.orig */ +/* TODO? (short option for --suffix is -S) */ #if ENABLE_SELINUX "context\0" Required_argument "Z" "preserve_context\0" No_argument "\xff" @@ -33,8 +35,6 @@ static const char install_longopts[] ALIGN1 = #if ENABLE_SELINUX -static bool use_default_selinux_context = 1; - static void setdefaultfilecon(const char *path) { struct stat s; @@ -73,25 +73,31 @@ int install_main(int argc, char **argv) mode_t mode; uid_t uid; gid_t gid; + char *arg, *last; const char *gid_str; const char *uid_str; const char *mode_str; int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE; - int ret = EXIT_SUCCESS, flags, i, isdir; + int flags; + int ret = EXIT_SUCCESS; + int isdir; #if ENABLE_SELINUX security_context_t scontext; + bool use_default_selinux_context = 1; #endif enum { - OPT_CMD = 0x1, - OPT_DIRECTORY = 0x2, - OPT_PRESERVE_TIME = 0x4, - OPT_STRIP = 0x8, - OPT_GROUP = 0x10, - OPT_MODE = 0x20, - OPT_OWNER = 0x40, + OPT_c = 1 << 0, + OPT_v = 1 << 1, + OPT_b = 1 << 2, + OPT_DIRECTORY = 1 << 3, + OPT_PRESERVE_TIME = 1 << 4, + OPT_STRIP = 1 << 5, + OPT_GROUP = 1 << 6, + OPT_MODE = 1 << 7, + OPT_OWNER = 1 << 8, #if ENABLE_SELINUX - OPT_SET_SECURITY_CONTEXT = 0x80, - OPT_PRESERVE_SECURITY_CONTEXT = 0x100, + OPT_SET_SECURITY_CONTEXT = 1 << 9, + OPT_PRESERVE_SECURITY_CONTEXT = 1 << 10, #endif }; @@ -100,21 +106,24 @@ int install_main(int argc, char **argv) #endif opt_complementary = "s--d:d--s" USE_SELINUX(":Z--\xff:\xff--Z"); /* -c exists for backwards compatibility, it's needed */ - - flags = getopt32(argv, "cdpsg:m:o:" USE_SELINUX("Z:"), + /* -v is ignored ("print name of each created directory") */ + /* -b is ignored ("make a backup of each existing destination file") */ + flags = getopt32(argv, "cvb" "dpsg:m:o:" USE_SELINUX("Z:"), &gid_str, &mode_str, &uid_str USE_SELINUX(, &scontext)); + argc -= optind; + argv += optind; #if ENABLE_SELINUX - if (flags & OPT_PRESERVE_SECURITY_CONTEXT) { - use_default_selinux_context = 0; - copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT; - selinux_or_die(); - } - if (flags & OPT_SET_SECURITY_CONTEXT) { + if (flags & (OPT_PRESERVE_SECURITY_CONTEXT|OPT_SET_SECURITY_CONTEXT)) { selinux_or_die(); - setfscreatecon_or_die(scontext); use_default_selinux_context = 0; - copy_flags |= FILEUTILS_SET_SECURITY_CONTEXT; + if (flags & OPT_PRESERVE_SECURITY_CONTEXT) { + copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT; + } + if (flags & OPT_SET_SECURITY_CONTEXT) { + setfscreatecon_or_die(scontext); + copy_flags |= FILEUTILS_SET_SECURITY_CONTEXT; + } } #endif @@ -123,58 +132,63 @@ int install_main(int argc, char **argv) copy_flags |= FILEUTILS_PRESERVE_STATUS; } mode = 0666; - if (flags & OPT_MODE) bb_parse_mode(mode_str, &mode); + if (flags & OPT_MODE) + bb_parse_mode(mode_str, &mode); uid = (flags & OPT_OWNER) ? get_ug_id(uid_str, xuname2uid) : getuid(); gid = (flags & OPT_GROUP) ? get_ug_id(gid_str, xgroup2gid) : getgid(); - if (flags & (OPT_OWNER|OPT_GROUP)) umask(0); + if (flags & (OPT_OWNER|OPT_GROUP)) + umask(0); /* Create directories * don't use bb_make_directory() as it can't change uid or gid * perhaps bb_make_directory() should be improved. */ if (flags & 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 | 0111) == -1) { + while ((arg = *argv++) != NULL) { + char *slash = arg; + while (1) { + slash = strchr(slash + 1, '/'); + if (slash) + *slash = '\0'; + if (mkdir(arg, mode | 0111) == -1) { if (errno != EEXIST) { - bb_perror_msg("cannot create %s", *argv); + bb_perror_msg("cannot create %s", arg); ret = EXIT_FAILURE; break; } - } - if ((flags & (OPT_OWNER|OPT_GROUP)) - && lchown(*argv, uid, gid) == -1 + } /* dir was created, chown? */ + else if ((flags & (OPT_OWNER|OPT_GROUP)) + && lchown(arg, uid, gid) == -1 ) { - bb_perror_msg("cannot change ownership of %s", *argv); + bb_perror_msg("cannot change ownership of %s", arg); ret = EXIT_FAILURE; break; } - if (argv_ptr) { - *argv_ptr = '/'; - } - } while (old_argv_ptr); + if (!slash) + break; + *slash = '/'; + } } return ret; } - /* coreutils install resolves link in this case, don't use lstat */ - isdir = stat(argv[argc - 1], &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode); + if (argc < 2) + bb_show_usage(); - for (i = optind; i < argc - 1; i++) { - char *dest; + last = argv[argc - 1]; + argv[argc - 1] = NULL; + /* coreutils install resolves link in this case, don't use lstat */ + isdir = stat(last, &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode); - dest = argv[argc - 1]; + while ((arg = *argv++) != NULL) { + char *dest = last; if (isdir) - dest = concat_path_file(argv[argc - 1], basename(argv[i])); - ret |= copy_file(argv[i], dest, copy_flags); + dest = concat_path_file(last, basename(arg)); + if (copy_file(arg, dest, copy_flags)) { + /* copy is not made */ + ret = EXIT_FAILURE; + goto next; + } /* Set the file mode */ if ((flags & OPT_MODE) && chmod(dest, mode) == -1) { @@ -202,7 +216,9 @@ int install_main(int argc, char **argv) ret = EXIT_FAILURE; } } - if (ENABLE_FEATURE_CLEAN_UP && isdir) free(dest); + next: + if (ENABLE_FEATURE_CLEAN_UP && isdir) + free(dest); } return ret; |