int
restore(
FILE *file,
const char *filename)
{
char *path_p;
struct stat stat;
uid_t uid;
gid_t gid;
seq_t seq = NULL;
int line = 0, backup_line;
int error, status = 0;
memset(&stat, 0, sizeof(stat));
for(;;) {
backup_line = line;
error = read_acl_comments(file, &line, &path_p, &uid, &gid);
if (error < 0)
goto fail;
if (error == 0)
return 0;
if (path_p == NULL) {
if (filename) {
fprintf(stderr, _("%s: %s: No filename found "
"in line %d, aborting\n"),
progname, xquote(filename),
backup_line);
} else {
fprintf(stderr, _("%s: No filename found in "
"line %d of standard input, "
"aborting\n"),
progname, backup_line);
}
goto getout;
}
if (!(seq = seq_init()))
goto fail;
if (seq_append_cmd(seq, CMD_REMOVE_ACL, ACL_TYPE_ACCESS) ||
seq_append_cmd(seq, CMD_REMOVE_ACL, ACL_TYPE_DEFAULT))
goto fail;
error = read_acl_seq(file, seq, CMD_ENTRY_REPLACE,
SEQ_PARSE_WITH_PERM |
SEQ_PARSE_NO_RELATIVE |
SEQ_PARSE_DEFAULT |
SEQ_PARSE_MULTI,
&line, NULL);
if (error != 0) {
fprintf(stderr, _("%s: %s: %s in line %d\n"),
progname, xquote(filename), strerror(errno),
line);
goto getout;
}
error = lstat(path_p, &stat);
if (opt_test && error != 0) {
fprintf(stderr, "%s: %s: %s\n", progname,
xquote(path_p), strerror(errno));
status = 1;
}
stat.st_uid = uid;
stat.st_gid = gid;
error = do_set(path_p, &stat, seq);
if (error != 0) {
status = 1;
goto resume;
}
if (!opt_test &&
(uid != ACL_UNDEFINED_ID || gid != ACL_UNDEFINED_ID)) {
if (chown(path_p, uid, gid) != 0) {
fprintf(stderr, _("%s: %s: Cannot change "
"owner/group: %s\n"),
progname, xquote(path_p),
strerror(errno));
status = 1;
}
}
resume:
if (path_p) {
free(path_p);
path_p = NULL;
}
if (seq) {
seq_free(seq);
seq = NULL;
}
}
getout:
if (path_p) {
free(path_p);
path_p = NULL;
}
if (seq) {
seq_free(seq);
seq = NULL;
}
return status;
fail:
fprintf(stderr, "%s: %s: %s\n", progname, xquote(filename),
strerror(errno));
status = 1;
goto getout;
}
int
restore(
FILE *file,
const char *filename)
{
char *path_p;
struct stat st;
uid_t uid;
gid_t gid;
mode_t mask, flags;
struct do_set_args args = { };
int line = 0, backup_line;
int error, status = 0;
int chmod_required = 0;
memset(&st, 0, sizeof(st));
for(;;) {
backup_line = line;
error = read_acl_comments(file, &line, &path_p, &uid, &gid,
&flags);
if (error < 0) {
error = -error;
goto fail;
}
if (error == 0)
return status;
if (path_p == NULL) {
if (filename) {
fprintf(stderr, _("%s: %s: No filename found "
"in line %d, aborting\n"),
progname, xquote(filename, "\n\r"),
backup_line);
} else {
fprintf(stderr, _("%s: No filename found in "
"line %d of standard input, "
"aborting\n"),
progname, backup_line);
}
status = 1;
goto getout;
}
if (!(args.seq = seq_init()))
goto fail_errno;
if (seq_append_cmd(args.seq, CMD_REMOVE_ACL, ACL_TYPE_ACCESS) ||
seq_append_cmd(args.seq, CMD_REMOVE_ACL, ACL_TYPE_DEFAULT))
goto fail_errno;
error = read_acl_seq(file, args.seq, CMD_ENTRY_REPLACE,
SEQ_PARSE_WITH_PERM |
SEQ_PARSE_DEFAULT |
SEQ_PARSE_MULTI,
&line, NULL);
if (error != 0) {
fprintf(stderr, _("%s: %s: %s in line %d\n"),
progname, xquote(filename, "\n\r"), strerror(errno),
line);
status = 1;
goto getout;
}
error = stat(path_p, &st);
if (opt_test && error != 0) {
fprintf(stderr, "%s: %s: %s\n", progname,
xquote(path_p, "\n\r"), strerror(errno));
status = 1;
}
args.mode = 0;
error = do_set(path_p, &st, 0, &args);
if (error != 0) {
status = 1;
goto resume;
}
if (uid != ACL_UNDEFINED_ID && uid != st.st_uid)
st.st_uid = uid;
else
st.st_uid = -1;
if (gid != ACL_UNDEFINED_ID && gid != st.st_gid)
st.st_gid = gid;
else
st.st_gid = -1;
if (!opt_test &&
(st.st_uid != -1 || st.st_gid != -1)) {
if (chown(path_p, st.st_uid, st.st_gid) != 0) {
fprintf(stderr, _("%s: %s: Cannot change "
"owner/group: %s\n"),
progname, xquote(path_p, "\n\r"),
strerror(errno));
status = 1;
}
/* chown() clears setuid/setgid so force a chmod if
* S_ISUID/S_ISGID was expected */
if ((st.st_mode & flags) & (S_ISUID | S_ISGID))
chmod_required = 1;
}
mask = S_ISUID | S_ISGID | S_ISVTX;
if (chmod_required || ((st.st_mode & mask) != (flags & mask))) {
if (!args.mode)
args.mode = st.st_mode;
args.mode &= (S_IRWXU | S_IRWXG | S_IRWXO);
if (chmod(path_p, flags | args.mode) != 0) {
fprintf(stderr, _("%s: %s: Cannot change "
"mode: %s\n"),
progname, xquote(path_p, "\n\r"),
strerror(errno));
status = 1;
}
}
resume:
if (path_p) {
free(path_p);
path_p = NULL;
}
if (args.seq) {
seq_free(args.seq);
args.seq = NULL;
}
}
getout:
if (path_p) {
free(path_p);
path_p = NULL;
}
if (args.seq) {
seq_free(args.seq);
args.seq = NULL;
}
return status;
fail_errno:
error = errno;
fail:
fprintf(stderr, "%s: %s: %s\n", progname, xquote(filename, "\n\r"),
strerror(error));
status = 1;
goto getout;
}
