bb_xget[pw/gr]nam were horribly misnamed - fixed.
uidgid_get -> get_uidgid, add additional param (numeric_ok). Make chown use it. chown: fix "chown user: ...." install: fix incorrect use of bb_xget[pw/gr]nam
This commit is contained in:
Denis Vlasenko
parent
ba092336f0
commit
9a44c4f91c
@ -348,8 +348,8 @@ static void fileaction_dobackup(char *filename, int fileref)
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static void fileaction_setowngrp(char *filename, int fileref)
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{
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int uid, gid;
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uid = bb_xgetpwnam(rpm_getstr(TAG_FILEUSERNAME, fileref));
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gid = bb_xgetgrnam(rpm_getstr(TAG_FILEGROUPNAME, fileref));
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uid = xuname2uid(rpm_getstr(TAG_FILEUSERNAME, fileref));
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gid = xgroup2gid(rpm_getstr(TAG_FILEGROUPNAME, fileref));
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chown(filename, uid, gid);
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}
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@ -54,32 +54,38 @@ static int fileAction(const char *fileName, struct stat *statbuf,
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int chown_main(int argc, char **argv)
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{
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int retval = EXIT_SUCCESS;
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char *groupName;
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int retval = EXIT_SUCCESS;
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opt_complementary = "-2";
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getopt32(argc, argv, OPT_STR);
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argv += optind;
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if (OPT_NODEREF) chown_func = lchown;
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argv += optind;
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/* First, check if there is a group name here */
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groupName = strchr(*argv, '.');
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groupName = strchr(*argv, '.'); /* deprecated? */
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if (!groupName) {
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groupName = strchr(*argv, ':');
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}
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/* Check for the username and groupname */
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if (groupName) {
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*groupName++ = '\0';
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gid = get_ug_id(groupName, bb_xgetgrnam);
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/* First, try parsing "user[:[group]]" */
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if (!groupName) { /* "user" */
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uid = get_ug_id(*argv, xuname2uid);
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} else if (groupName == *argv) { /* ":group" */
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gid = get_ug_id(groupName + 1, xgroup2gid);
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} else {
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struct bb_uidgid_t ugid;
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if (!groupName[1]) /* "user:" */
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*groupName = '\0';
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if (!get_uidgid(&ugid, *argv, 1))
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bb_error_msg_and_die("unknown user/group %s", *argv);
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uid = ugid.uid;
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gid = ugid.gid;
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}
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if (--groupName != *argv)
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uid = get_ug_id(*argv, bb_xgetpwnam);
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++argv;
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/* Ok, ready to do the deed now */
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argv++;
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do {
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if (!recursive_action(*argv,
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OPT_RECURSE, // recurse
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@ -62,8 +62,8 @@ int id_main(int argc, char **argv)
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if (argv[optind]) {
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p = getpwnam(argv[optind]);
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/* bb_xgetpwnam is needed because it exits on failure */
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uid = bb_xgetpwnam(argv[optind]);
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/* xuname2uid is needed because it exits on failure */
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uid = xuname2uid(argv[optind]);
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gid = p->pw_gid;
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/* in this case PRINT_REAL is the same */
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}
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@ -13,14 +13,6 @@
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#include <libgen.h>
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#include <getopt.h> /* struct option */
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#define INSTALL_OPT_CMD 1
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#define INSTALL_OPT_DIRECTORY 2
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#define INSTALL_OPT_PRESERVE_TIME 4
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#define INSTALL_OPT_STRIP 8
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#define INSTALL_OPT_GROUP 16
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#define INSTALL_OPT_MODE 32
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#define INSTALL_OPT_OWNER 64
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#if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
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static const struct option install_long_options[] = {
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{ "directory", 0, NULL, 'd' },
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@ -35,36 +27,48 @@ static const struct option install_long_options[] = {
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int install_main(int argc, char **argv)
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{
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struct stat statbuf;
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mode_t mode;
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uid_t uid;
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gid_t gid;
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char *gid_str = "-1";
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char *uid_str = "-1";
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char *mode_str = "0755";
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const char *gid_str;
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const char *uid_str;
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const char *mode_str;
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int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE;
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int ret = EXIT_SUCCESS, flags, i, isdir;
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enum {
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OPT_CMD = 0x1,
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OPT_DIRECTORY = 0x2,
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OPT_PRESERVE_TIME = 0x4,
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OPT_STRIP = 0x8,
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OPT_GROUP = 0x10,
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OPT_MODE = 0x20,
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OPT_OWNER = 0x40,
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};
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#if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
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applet_long_options = install_long_options;
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#endif
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opt_complementary = "?:s--d:d--s";
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/* -c exists for backwards compatibility, its needed */
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flags = getopt32(argc, argv, "cdpsg:m:o:", &gid_str, &mode_str, &uid_str); /* 'a' must be 2nd */
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flags = getopt32(argc, argv, "cdpsg:m:o:", &gid_str, &mode_str, &uid_str);
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/* preserve access and modification time, this is GNU behaviour, BSD only preserves modification time */
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if (flags & INSTALL_OPT_PRESERVE_TIME) {
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if (flags & OPT_PRESERVE_TIME) {
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copy_flags |= FILEUTILS_PRESERVE_STATUS;
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}
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bb_parse_mode(mode_str, &mode);
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gid = get_ug_id(gid_str, bb_xgetgrnam);
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uid = get_ug_id(uid_str, bb_xgetpwnam);
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umask(0);
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mode = 0666;
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if (flags & OPT_MODE) bb_parse_mode(mode_str, &mode);
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uid = (flags & OPT_OWNER) ? get_ug_id(uid_str, xuname2uid) : getuid();
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gid = (flags & OPT_GROUP) ? get_ug_id(gid_str, xgroup2gid) : getgid();
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if (flags & (OPT_OWNER|OPT_GROUP)) umask(0);
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/* Create directories
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* don't use bb_make_directory() as it can't change uid or gid
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* perhaps bb_make_directory() should be improved.
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*/
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if (flags & INSTALL_OPT_DIRECTORY) {
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if (flags & OPT_DIRECTORY) {
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for (argv += optind; *argv; argv++) {
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char *old_argv_ptr = *argv + 1;
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char *argv_ptr;
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@ -75,14 +79,16 @@ int install_main(int argc, char **argv)
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*argv_ptr = '\0';
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old_argv_ptr++;
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}
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if (mkdir(*argv, mode) == -1) {
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if (mkdir(*argv, mode | 0111) == -1) {
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if (errno != EEXIST) {
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bb_perror_msg("cannot create %s", *argv);
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ret = EXIT_FAILURE;
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break;
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}
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}
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else if (lchown(*argv, uid, gid) == -1) {
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if ((flags & (OPT_OWNER|OPT_GROUP))
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&& lchown(*argv, uid, gid) == -1
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) {
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bb_perror_msg("cannot change ownership of %s", *argv);
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ret = EXIT_FAILURE;
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break;
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@ -95,36 +101,36 @@ int install_main(int argc, char **argv)
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return ret;
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}
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{
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struct stat statbuf;
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isdir = lstat(argv[argc - 1], &statbuf)<0
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? 0 : S_ISDIR(statbuf.st_mode);
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}
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isdir = lstat(argv[argc - 1], &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode);
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for (i = optind; i < argc - 1; i++) {
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char *dest;
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dest = argv[argc - 1];
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if (isdir) dest = concat_path_file(argv[argc - 1], basename(argv[i]));
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if (isdir)
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dest = concat_path_file(argv[argc - 1], basename(argv[i]));
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ret |= copy_file(argv[i], dest, copy_flags);
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/* Set the file mode */
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if (chmod(dest, mode) == -1) {
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if ((flags & OPT_MODE) && chmod(dest, mode) == -1) {
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bb_perror_msg("cannot change permissions of %s", dest);
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ret = EXIT_FAILURE;
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}
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/* Set the user and group id */
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if (lchown(dest, uid, gid) == -1) {
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if ((flags & (OPT_OWNER|OPT_GROUP))
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&& lchown(dest, uid, gid) == -1
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) {
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bb_perror_msg("cannot change ownership of %s", dest);
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ret = EXIT_FAILURE;
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}
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if (flags & INSTALL_OPT_STRIP) {
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if (flags & OPT_STRIP) {
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if (execlp("strip", "strip", dest, NULL) == -1) {
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bb_error_msg("strip failed");
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bb_perror_msg("strip");
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ret = EXIT_FAILURE;
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}
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}
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if(ENABLE_FEATURE_CLEAN_UP && isdir) free(dest);
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if (ENABLE_FEATURE_CLEAN_UP && isdir) free(dest);
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}
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return ret;
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@ -274,7 +274,7 @@ int start_stop_daemon_main(int argc, char **argv)
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if (userspec) {
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user_id = bb_strtou(userspec, NULL, 10);
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if (errno)
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user_id = bb_xgetpwnam(userspec);
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user_id = xuname2uid(userspec);
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}
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if (opt & CTX_STOP) {
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@ -305,7 +305,7 @@ int start_stop_daemon_main(int argc, char **argv)
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if (chuid) {
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user_id = bb_strtou(chuid, NULL, 10);
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if (errno)
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user_id = bb_xgetpwnam(chuid);
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user_id = xuname2uid(chuid);
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xsetuid(user_id);
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}
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#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
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@ -441,7 +441,7 @@ static void parse_tune2fs_options(int argc, char **argv)
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case 'g':
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resgid = bb_strtoul(optarg, NULL, 10);
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if (errno)
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resgid = bb_xgetgrnam(optarg);
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resgid = xgroup2gid(optarg);
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g_flag = 1;
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open_flag = EXT2_FLAG_RW;
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break;
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@ -535,7 +535,7 @@ static void parse_tune2fs_options(int argc, char **argv)
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case 'u':
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resuid = bb_strtoul(optarg, NULL, 10);
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if (errno)
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resuid = bb_xgetpwnam(optarg);
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resuid = xuname2uid(optarg);
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u_flag = 1;
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open_flag = EXT2_FLAG_RW;
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break;
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@ -338,17 +338,20 @@ uint16_t xatou16(const char *numstr);
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/* These parse entries in /etc/passwd and /etc/group. This is desirable
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* for BusyBox since we want to avoid using the glibc NSS stuff, which
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* increases target size and is often not needed on embedded systems. */
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extern long bb_xgetpwnam(const char *name);
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extern long bb_xgetgrnam(const char *name);
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/*extern char *bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix);*/
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extern char *bb_getpwuid(char *name, long uid, int bufsize);
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extern char *bb_getgrgid(char *group, long gid, int bufsize);
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/* from chpst */
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extern long xuname2uid(const char *name);
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extern long xgroup2gid(const char *name);
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/* wrapper: allows string to contain numeric uid or gid */
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extern unsigned long get_ug_id(const char *s, long (*xname2id)(const char *));
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/* from chpst. Does not die, returns 0 on failure */
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struct bb_uidgid_t {
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uid_t uid;
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gid_t gid;
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};
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extern unsigned uidgid_get(struct bb_uidgid_t*, const char* /*, unsigned*/);
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extern int get_uidgid(struct bb_uidgid_t*, const char*, int numeric_ok);
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/* what is this? */
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/*extern char *bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix);*/
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extern char *bb_getpwuid(char *name, long uid, int bufsize);
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extern char *bb_getgrgid(char *group, long gid, int bufsize);
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enum { BB_GETOPT_ERROR = 0x80000000 };
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@ -484,7 +487,6 @@ extern void vfork_daemon_rexec(int nochdir, int noclose,
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int argc, char **argv, char *foreground_opt);
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#endif
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extern int get_terminal_width_height(int fd, int *width, int *height);
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extern unsigned long get_ug_id(const char *s, long (*__bb_getxxnam)(const char *));
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int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name);
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void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name);
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@ -7,12 +7,11 @@
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* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include "libbb.h"
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/*
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#define assert(x) ((void)0)
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/*
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* if bufsize is > 0 char *buffer cannot be set to NULL.
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* If idname is not NULL it is written on the static
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* allocated buffer (and a pointer to it is returned).
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@ -27,11 +26,11 @@
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*/
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/* internal function for bb_getpwuid and bb_getgrgid */
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static char * bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix)
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static char* bb_getug(char *buffer, char *idname, long id, int bufsize, char prefix)
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{
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if (bufsize > 0 ) {
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assert(buffer!=NULL);
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if(idname) {
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assert(buffer != NULL);
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if (idname) {
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return safe_strncpy(buffer, idname, bufsize);
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}
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snprintf(buffer, bufsize, "%ld", id);
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@ -41,7 +40,7 @@ static char * bb_getug(char *buffer, char *idname, long id, int bufsize, char pr
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return idname;
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}
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/* Hacked by Tito Ragusa (c) 2004 <farmatito@tiscali.it> to make it more
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/* Hacked by Tito Ragusa (c) 2004 <farmatito@tiscali.it> to make it more
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* flexible :
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*
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* if bufsize is > 0 char *group cannot be set to NULL.
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@ -59,39 +58,40 @@ static char * bb_getug(char *buffer, char *idname, long id, int bufsize, char pr
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*/
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/* gets a groupname given a gid */
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char * bb_getgrgid(char *group, long gid, int bufsize)
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char* bb_getgrgid(char *group, long gid, int bufsize)
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{
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struct group *mygroup = getgrgid(gid);
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return bb_getug(group, (mygroup) ?
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mygroup->gr_name : (char *)mygroup, gid, bufsize, 'g');
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return bb_getug(group,
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mygroup ? mygroup->gr_name : (char *)mygroup,
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gid, bufsize, 'g');
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}
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/* returns a gid given a group name */
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long bb_xgetgrnam(const char *name)
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long xgroup2gid(const char *name)
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{
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struct group *mygroup;
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mygroup = getgrnam(name);
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if (mygroup==NULL)
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if (mygroup == NULL)
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bb_error_msg_and_die("unknown group name: %s", name);
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return mygroup->gr_gid;
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}
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/* returns a uid given a username */
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long bb_xgetpwnam(const char *name)
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long xuname2uid(const char *name)
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{
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struct passwd *myuser;
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myuser = getpwnam(name);
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if (myuser==NULL)
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if (myuser == NULL)
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bb_error_msg_and_die("unknown user name: %s", name);
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return myuser->pw_uid;
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}
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/* Hacked by Tito Ragusa (c) 2004 <farmatito@tiscali.it> to make it more
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/* Hacked by Tito Ragusa (c) 2004 <farmatito@tiscali.it> to make it more
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* flexible :
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*
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* if bufsize is > 0 char *name cannot be set to NULL.
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@ -109,7 +109,7 @@ long bb_xgetpwnam(const char *name)
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*/
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/* gets a username given a uid */
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char * bb_getpwuid(char *name, long uid, int bufsize)
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char* bb_getpwuid(char *name, long uid, int bufsize)
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{
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struct passwd *myuser = getpwuid(uid);
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@ -118,13 +118,12 @@ char * bb_getpwuid(char *name, long uid, int bufsize)
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}
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unsigned long get_ug_id(const char *s,
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long (*__bb_getxxnam)(const char *))
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long (*xname2id)(const char *))
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{
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unsigned long r;
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r = bb_strtoul(s, NULL, 10);
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if (errno)
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r = __bb_getxxnam(s);
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return xname2id(s);
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return r;
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}
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@ -1,26 +1,47 @@
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#include "busybox.h"
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unsigned uidgid_get(struct bb_uidgid_t *u, const char *ug /*, unsigned dogrp */)
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int get_uidgid(struct bb_uidgid_t *u, const char *ug, int numeric_ok)
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{
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struct passwd *pwd;
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struct group *gr;
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const char *g;
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char *user, *group;
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unsigned n;
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/* g = 0; if (dogrp) g = strchr(ug, ':'); */
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g = strchr(ug, ':');
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if (g) {
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int sz = (++g) - ug;
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char buf[sz];
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safe_strncpy(buf, ug, sz);
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pwd = getpwnam(buf);
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} else
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pwd = getpwnam(ug);
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user = (char*)ug;
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group = strchr(ug, ':');
|
||||
if (group) {
|
||||
int sz = (++group) - ug;
|
||||
user = alloca(sz);
|
||||
/* copies sz-1 bytes, stores terminating '\0' */
|
||||
safe_strncpy(user, ug, sz);
|
||||
}
|
||||
if (numeric_ok) {
|
||||
n = bb_strtou(user, NULL, 10);
|
||||
if (!errno) {
|
||||
u->uid = n;
|
||||
pwd = getpwuid(n);
|
||||
/* If we have e.g. "500" string without user */
|
||||
/* with uid 500 in /etc/passwd, we set gid == uid */
|
||||
u->gid = pwd ? pwd->pw_gid : n;
|
||||
goto skip;
|
||||
}
|
||||
}
|
||||
pwd = getpwnam(user);
|
||||
if (!pwd)
|
||||
return 0;
|
||||
u->uid = pwd->pw_uid;
|
||||
u->gid = pwd->pw_gid;
|
||||
if (g) {
|
||||
gr = getgrnam(g);
|
||||
|
||||
skip:
|
||||
if (group) {
|
||||
if (numeric_ok) {
|
||||
n = bb_strtou(group, NULL, 10);
|
||||
if (!errno) {
|
||||
u->gid = n;
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
gr = getgrnam(group);
|
||||
if (!gr) return 0;
|
||||
u->gid = gr->gr_gid;
|
||||
}
|
||||
@ -33,16 +54,16 @@ int main()
|
||||
{
|
||||
unsigned u;
|
||||
struct bb_uidgid_t ug;
|
||||
u = uidgid_get(&ug, "apache");
|
||||
u = get_uidgid(&ug, "apache", 0);
|
||||
printf("%u = %u:%u\n", u, ug.uid, ug.gid);
|
||||
ug.uid = ug.gid = 1111;
|
||||
u = uidgid_get(&ug, "apache");
|
||||
u = get_uidgid(&ug, "apache", 0);
|
||||
printf("%u = %u:%u\n", u, ug.uid, ug.gid);
|
||||
ug.uid = ug.gid = 1111;
|
||||
u = uidgid_get(&ug, "apache:users");
|
||||
u = get_uidgid(&ug, "apache:users", 0);
|
||||
printf("%u = %u:%u\n", u, ug.uid, ug.gid);
|
||||
ug.uid = ug.gid = 1111;
|
||||
u = uidgid_get(&ug, "apache:users");
|
||||
u = get_uidgid(&ug, "apache:users", 0);
|
||||
printf("%u = %u:%u\n", u, ug.uid, ug.gid);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -157,7 +157,7 @@ static int adduser(struct passwd *p, unsigned long flags)
|
||||
* gecos
|
||||
*
|
||||
* can be customized via command-line parameters.
|
||||
* ________________________________________________________________________ */
|
||||
*/
|
||||
int adduser_main(int argc, char **argv)
|
||||
{
|
||||
struct passwd pw;
|
||||
@ -187,7 +187,7 @@ int adduser_main(int argc, char **argv)
|
||||
pw.pw_name = argv[optind];
|
||||
pw.pw_passwd = "x";
|
||||
pw.pw_uid = 0;
|
||||
pw.pw_gid = (usegroup) ? bb_xgetgrnam(usegroup) : 0; /* exits on failure */
|
||||
pw.pw_gid = usegroup ? xgroup2gid(usegroup) : 0; /* exits on failure */
|
||||
|
||||
/* grand finale */
|
||||
return adduser(&pw, flags);
|
||||
|
||||
@ -127,8 +127,8 @@ int makedevs_main(int argc, char **argv)
|
||||
continue;
|
||||
}
|
||||
|
||||
gid = (*group) ? get_ug_id(group, bb_xgetgrnam) : getgid();
|
||||
uid = (*user) ? get_ug_id(user, bb_xgetpwnam) : getuid();
|
||||
gid = (*group) ? get_ug_id(group, xgroup2gid) : getgid();
|
||||
uid = (*user) ? get_ug_id(user, xuname2uid) : getuid();
|
||||
full_name = concat_path_file(rootdir, name);
|
||||
|
||||
if (type == 'd') {
|
||||
|
||||
@ -59,7 +59,7 @@ static void suidgid(char *user)
|
||||
{
|
||||
struct bb_uidgid_t ugid;
|
||||
|
||||
if (!uidgid_get(&ugid, user)) {
|
||||
if (!get_uidgid(&ugid, user, 1)) {
|
||||
bb_error_msg_and_die("unknown user/group: %s", user);
|
||||
}
|
||||
if (setgroups(1, &ugid.gid) == -1)
|
||||
@ -72,7 +72,7 @@ static void euidgid(char *user)
|
||||
{
|
||||
struct bb_uidgid_t ugid;
|
||||
|
||||
if (!uidgid_get(&ugid, user)) {
|
||||
if (!get_uidgid(&ugid, user, 1)) {
|
||||
bb_error_msg_and_die("unknown user/group: %s", user);
|
||||
}
|
||||
xsetenv("GID", utoa(ugid.gid));
|
||||
|
||||
Loading…
Reference in New Issue
Block a user