static int
group(int argc, char *argv[])
{
struct group *gr;
unsigned long id;
int i, rv;
assert(argc > 1);
assert(argv != NULL);
#define GROUPPRINT printfmtstrings(gr->gr_mem, ":", ",", "%s:%s:%u", \
gr->gr_name, gr->gr_passwd, gr->gr_gid)
setgroupent(1);
rv = RV_OK;
if (argc == 2) {
while ((gr = getgrent()) != NULL)
GROUPPRINT;
} else {
for (i = 2; i < argc; i++) {
if (parsenum(argv[i], &id))
gr = getgrgid((gid_t)id);
else
gr = getgrnam(argv[i]);
if (gr != NULL)
GROUPPRINT;
else {
rv = RV_NOTFOUND;
break;
}
}
}
endgrent();
return rv;
}
static int
group(int argc, char *argv[])
{
int i, rv = RV_OK;
struct group *gr;
setgroupent(1);
if (argc == 2) {
while ((gr = getgrent()) != NULL)
GROUPPRINT;
} else {
for (i = 2; i < argc; i++) {
const char *err;
long long id = strtonum(argv[i], 0, UINT_MAX, &err);
if (!err)
gr = getgrgid((gid_t)id);
else
gr = getgrnam(argv[i]);
if (gr != NULL)
GROUPPRINT;
else {
rv = RV_NOTFOUND;
break;
}
}
}
endgrent();
return rv;
}
const char *
group_from_gid(gid_t gid, int nogroup)
{
static struct ncache {
gid_t gid;
int found;
char name[UT_NAMESIZE + 1];
} c_gid[NCACHE];
static int gropen;
struct group *gr;
struct ncache *cp;
cp = c_gid + (gid & MASK);
if (cp->gid != gid || !*cp->name) {
if (gropen == 0) {
setgroupent(1);
gropen = 1;
}
gr = getgrgid(gid);
cp->gid = gid;
if (gr != NULL) {
cp->found = 1;
strncpy(cp->name, gr->gr_name, UT_NAMESIZE);
cp->name[UT_NAMESIZE] = '\0';
} else {
cp->found = 0;
snprintf(cp->name, UT_NAMESIZE, "%u", gid);
if (nogroup)
return (NULL);
}
}
return ((nogroup && !cp->found) ? NULL : cp->name);
}
void
setgrent(void)
{
int saved_errno;
saved_errno = errno;
setgroupent(0);
errno = saved_errno;
}
char *
name_gid(gid_t gid, int frc)
{
struct group *gr;
GIDC *ptr;
if ((gidtb == NULL) && (gidtb_start() < 0))
return("");
/*
* see if we have this gid cached
*/
ptr = gidtb[gid % GID_SZ];
if ((ptr != NULL) && (ptr->valid > 0) && (ptr->gid == gid)) {
/*
* have an entry for this gid
*/
if (frc || (ptr->valid == VALID))
return(ptr->name);
return("");
}
/*
* No entry for this gid, we will add it
*/
if (!gropn) {
setgroupent(1);
++gropn;
}
if (ptr == NULL)
ptr = gidtb[gid % GID_SZ] = malloc(sizeof(GIDC));
if ((gr = getgrgid(gid)) == NULL) {
/*
* no match for this gid in the local group file, put in
* a string that is the gid in numberic format
*/
if (ptr == NULL)
return("");
ptr->gid = gid;
ptr->valid = INVALID;
(void)snprintf(ptr->name, sizeof(ptr->name), "%lu",
(unsigned long)gid);
if (frc == 0)
return("");
} else {
/*
* there is an entry for this group in the group file
*/
if (ptr == NULL)
return(gr->gr_name);
ptr->gid = gid;
(void)strlcpy(ptr->name, gr->gr_name, sizeof(ptr->name));
ptr->valid = VALID;
}
return(ptr->name);
}
int
gid_name(char *name, gid_t *gid)
{
struct group *gr;
GIDC *ptr;
int namelen;
/*
* return -1 for mangled names
*/
if (((namelen = strlen(name)) == 0) || (name[0] == '\0'))
return(-1);
if ((grptb == NULL) && (grptb_start() < 0))
return(-1);
/*
* look up in hash table, if found and valid return the uid,
* if found and invalid, return a -1
*/
ptr = grptb[st_hash(name, namelen, GID_SZ)];
if ((ptr != NULL) && (ptr->valid > 0) && !strcmp(name, ptr->name)) {
if (ptr->valid == INVALID)
return(-1);
*gid = ptr->gid;
return(0);
}
if (!gropn) {
setgroupent(1);
++gropn;
}
if (ptr == NULL)
ptr = grptb[st_hash(name, namelen, GID_SZ)] =
(GIDC *)malloc(sizeof(GIDC));
/*
* no match, look it up, if no match store it as an invalid entry,
* or store the matching gid
*/
if (ptr == NULL) {
if ((gr = getgrnam(name)) == NULL)
return(-1);
*gid = gr->gr_gid;
return(0);
}
(void)strncpy(ptr->name, name, GNMLEN - 1);
ptr->name[GNMLEN-1] = '\0';
if ((gr = getgrnam(name)) == NULL) {
ptr->valid = INVALID;
return(-1);
}
ptr->valid = VALID;
*gid = ptr->gid = gr->gr_gid;
return(0);
}
static int
group_fill_test_data(struct group_test_data *td)
{
struct group *grp;
setgroupent(1);
while ((grp = getgrent()) != NULL) {
if (group_test_correctness(grp, NULL) == 0)
TEST_DATA_APPEND(group, td, grp);
else
return (-1);
}
endgrent();
return (0);
}
fsnode *
read_mtree(const char *fname, fsnode *node)
{
struct mtree_fileinfo *fi;
FILE *fp;
int c, error;
/* We do not yet support nesting... */
assert(node == NULL);
if (strcmp(fname, "-") == 0)
fp = stdin;
else {
fp = fopen(fname, "r");
if (fp == NULL)
err(1, "Can't open `%s'", fname);
}
error = mtree_file_push(fname, fp);
if (error)
goto out;
bzero(&mtree_global, sizeof(mtree_global));
bzero(&mtree_global_inode, sizeof(mtree_global_inode));
mtree_global.inode = &mtree_global_inode;
mtree_global_inode.nlink = 1;
mtree_global_inode.st.st_nlink = 1;
mtree_global_inode.st.st_atime = mtree_global_inode.st.st_ctime =
mtree_global_inode.st.st_mtime = time(NULL);
errors = warnings = 0;
setgroupent(1);
setpassent(1);
mtree_root = node;
mtree_current = node;
do {
/* Start of a new line... */
fi = SLIST_FIRST(&mtree_fileinfo);
fi->line++;
error = skip_over(fp, " \t");
if (error)
break;
c = getc(fp);
if (c == EOF) {
error = ferror(fp) ? errno : -1;
break;
}
switch (c) {
case '\n': /* empty line */
error = 0;
break;
case '#': /* comment -- skip to end of line. */
error = skip_to(fp, "\n");
if (!error)
(void)getc(fp);
break;
case '/': /* special commands */
error = read_mtree_command(fp);
break;
default: /* specification */
ungetc(c, fp);
error = read_mtree_spec(fp);
break;
}
} while (!error);
endpwent();
endgrent();
if (error <= 0 && (errors || warnings)) {
warnx("%u error(s) and %u warning(s) in mtree manifest",
errors, warnings);
if (errors)
exit(1);
}
out:
if (error > 0)
errc(1, error, "Error reading mtree file");
if (fp != stdin)
fclose(fp);
if (mtree_root != NULL)
return (mtree_root);
/* Handle empty specifications. */
node = create_node(".", S_IFDIR, NULL, &mtree_global);
node->first = node;
return (node);
}
void
setgrent(void)
{
(void) setgroupent(0);
}
int
main(int argc, char **argv)
{
int ch;
int i;
#ifdef HAVE_CAP_ENTER
int retval;
pid_t childpid, pid;
#endif
FILE *fp;
while ((ch = getopt(argc, argv, "d:lnprsx")) != -1) {
switch(ch) {
case 'd':
del = optarg;
break;
case 'l':
oneline = 1;
break;
case 'n':
oflags |= AU_OFLAG_NORESOLVE;
break;
case 'p':
partial = 1;
break;
case 'r':
if (oflags & AU_OFLAG_SHORT)
usage(); /* Exclusive from shortfrm. */
oflags |= AU_OFLAG_RAW;
break;
case 's':
if (oflags & AU_OFLAG_RAW)
usage(); /* Exclusive from raw. */
oflags |= AU_OFLAG_SHORT;
break;
case 'x':
oflags |= AU_OFLAG_XML;
break;
case '?':
default:
usage();
}
}
#ifdef HAVE_CAP_ENTER
/*
* Prime group, password, and audit-event files to be opened before we
* enter capability mode.
*/
(void)getgrgid(0);
(void)setgroupent(1);
(void)getpwuid(0);
(void)setpassent(1);
(void)getauevent();
#endif
if (oflags & AU_OFLAG_XML)
au_print_xml_header(stdout);
/* For each of the files passed as arguments dump the contents. */
if (optind == argc) {
#ifdef HAVE_CAP_ENTER
retval = cap_enter();
if (retval != 0 && errno != ENOSYS)
err(EXIT_FAILURE, "cap_enter");
#endif
print_tokens(stdin);
return (1);
}
for (i = optind; i < argc; i++) {
fp = fopen(argv[i], "r");
if (fp == NULL) {
perror(argv[i]);
continue;
}
/*
* If operating with sandboxing, create a sandbox process for
* each trail file we operate on. This avoids the need to do
* fancy things with file descriptors, etc, when iterating on
* a list of arguments.
*/
#ifdef HAVE_CAP_ENTER
childpid = fork();
if (childpid == 0) {
/* Child. */
retval = cap_enter();
if (retval != 0 && errno != ENOSYS)
err(EXIT_FAILURE, "cap_enter");
if (print_tokens(fp) == -1)
perror(argv[i]);
exit(0);
}
/* Parent. Await child termination. */
while ((pid = waitpid(childpid, NULL, 0)) != childpid);
#else
if (print_tokens(fp) == -1)
perror(argv[i]);
#endif
fclose(fp);
}
if (oflags & AU_OFLAG_XML)
au_print_xml_footer(stdout);
return (0);
}
int
main(int argc, char **argv)
{
const char *tmpdir;
size_t tdlen;
/* may not be a constant, thus initialising early */
listf = stderr;
now = time(NULL);
/*
* Keep a reference to cwd, so we can always come back home.
*/
cwdfd = binopen2(BO_CLEXEC, ".", O_RDONLY);
if (cwdfd < 0) {
syswarn(1, errno, "Cannot open current working directory.");
return(exit_val);
}
/*
* Where should we put temporary files?
*/
if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
tmpdir = _PATH_TMP;
tdlen = strlen(tmpdir);
while (tdlen > 0 && tmpdir[tdlen - 1] == '/')
tdlen--;
tempfile = malloc(tdlen + 1 + sizeof(_TFILE_BASE));
if (tempfile == NULL) {
paxwarn(1, "%s for %s", "Out of memory",
"temp file name");
return (exit_val);
}
if (tdlen)
memcpy(tempfile, tmpdir, tdlen);
tempbase = tempfile + tdlen;
*tempbase++ = '/';
#if HAVE_SETPGENT
/*
* keep passwd and group files open for faster lookups.
*/
setpassent(1);
setgroupent(1);
#endif
/*
* parse options, determine operational mode, general init
*/
options(argc, argv);
if ((gen_init() < 0) || (tty_init() < 0))
return(exit_val);
#if HAVE_PLEDGE
/*
* pmode needs to restore setugid bits when extracting or copying,
* so can't pledge at all then.
*/
if (pmode == 0 || (act != EXTRACT && act != COPY)) {
if (pledge("stdio rpath wpath cpath fattr dpath getpw proc exec tape",
NULL) == -1)
err(1, "pledge");
/* Copy mode, or no gzip -- don't need to fork/exec. */
if (compress_program == NULL || act == COPY) {
if (pledge("stdio rpath wpath cpath fattr dpath getpw tape",
NULL) == -1)
err(1, "pledge");
}
}
#endif
/* make list fd independent and line-buffered */
if ((listfd = dup(fileno(listf))) < 0 ||
!(listf = fdopen(listfd, "wb"))) {
syswarn(1, errno, "Cannot open list file descriptor");
return (exit_val);
}
if (fcntl(listfd, F_SETFD, FD_CLOEXEC) == -1)
syswarn(0, errno, "%s on list file descriptor",
"Failed to set the close-on-exec flag");
setlinebuf(listf);
/*
* select a primary operation mode
*/
switch (act) {
case EXTRACT:
extract();
break;
case ARCHIVE:
archive();
break;
case APPND:
if (compress_program != NULL)
errx(1, "cannot compress while appending");
append();
break;
case COPY:
copy();
break;
default:
/* for ar_io.c etc. */
act = LIST;
/* FALLTHROUGH */
case LIST:
list();
break;
}
return(exit_val);
}
