main()
{
register int pfd, tfd;
struct stat begin, end;
pw_init();
pfd = pw_lock();
tfd = pw_tmp();
copyfile(pfd, tfd);
(void)close(tfd);
for (;;) {
if (stat(tempname, &begin))
pw_error(tempname, 1, 1);
pw_edit(0);
if (stat(tempname, &end))
pw_error(tempname, 1, 1);
if (begin.st_mtime == end.st_mtime) {
(void)fprintf(stderr, "vipw: no changes made\n");
pw_error((char *)NULL, 0, 0);
}
if (pw_mkdb())
break;
pw_prompt();
}
exit(0);
}
struct passwd *
edit(const char *tfn, struct passwd *pw)
{
struct passwd *npw;
char *line;
size_t len;
if (display(tfn, pw) == -1)
return (NULL);
for (;;) {
switch (pw_edit(1)) {
case -1:
return (NULL);
case 0:
return (pw_dup(pw));
default:
break;
}
if ((npw = verify(tfn, pw)) != NULL)
return (npw);
free(npw);
printf("re-edit the password file? ");
fflush(stdout);
if ((line = fgetln(stdin, &len)) == NULL) {
warn("fgetln()");
return (NULL);
}
if (len > 0 && (*line == 'N' || *line == 'n'))
return (NULL);
}
}
void
edit(char *tempname, struct passwd *pw)
{
struct stat begin, end;
for (;;) {
if (stat(tempname, &begin))
(*Pw_error)(tempname, 1, 1);
pw_edit(1, tempname);
if (stat(tempname, &end))
(*Pw_error)(tempname, 1, 1);
if (begin.st_mtime == end.st_mtime) {
warnx("no changes made");
(*Pw_error)(NULL, 0, 0);
}
if (verify(tempname, pw))
break;
#ifdef YP
if (use_yp)
yppw_prompt();
else
#endif
pw_prompt();
}
}
static void
edit_file(int is_shadow)
{
struct stat begin, end;
pw_init();
pw_lock();
if (stat(tmp_file, &begin))
pw_error(tmp_file, 1, 1);
pw_edit(0);
if (stat(tmp_file, &end))
pw_error(tmp_file, 1, 1);
if (begin.st_mtime == end.st_mtime) {
(void)fprintf(stderr, _("%s: no changes made\n"), progname);
pw_error((char *)NULL, 0, 0);
}
if (!is_shadow)
chmod(tmp_file, 0644);
#if 0
/* if shadow file, then mode is 0600 now */
else
chmod(tmp_file, 0400);
#endif
pw_unlock();
}
static void edit_file(int is_shadow)
{
struct stat begin, end;
int passwd_file, ch_ret;
FILE *tmp_fd;
pw_init();
/* acquire exclusive lock */
if (lckpwdf() < 0)
err(EXIT_FAILURE, _("cannot get lock"));
passwd_file = open(orig_file, O_RDONLY, 0);
if (passwd_file < 0)
err(EXIT_FAILURE, _("cannot open %s"), orig_file);
tmp_fd = pw_tmpfile(passwd_file);
if (fstat(fileno(tmp_fd), &begin))
pw_error(tmp_file, 1, 1);
pw_edit();
if (fstat(fileno(tmp_fd), &end))
pw_error(tmp_file, 1, 1);
/* Some editors, such as Vim with 'writebackup' mode enabled,
* use "atomic save" in which the old file is deleted and a new
* one with the same name created in its place. */
if (end.st_nlink == 0) {
if (close_stream(tmp_fd) != 0)
err(EXIT_FAILURE, _("write error"));
tmp_fd = fopen(tmp_file, "r");
if (!tmp_file)
err(EXIT_FAILURE, _("cannot open %s"), tmp_file);
if (fstat(fileno(tmp_fd), &end))
pw_error(tmp_file, 1, 1);
}
if (begin.st_mtime == end.st_mtime) {
warnx(_("no changes made"));
pw_error((char *)NULL, 0, 0);
}
/* pw_tmpfile() will create the file with mode 600 */
if (!is_shadow)
ch_ret = fchmod(fileno(tmp_fd), 0644);
else
ch_ret = fchmod(fileno(tmp_fd), 0400);
if (ch_ret < 0)
err(EXIT_FAILURE, "%s: %s", _("cannot chmod file"), orig_file);
if (close_stream(tmp_fd) != 0)
err(EXIT_FAILURE, _("write error"));
pw_write();
close(passwd_file);
ulckpwdf();
}
int
main(int argc, char *argv[])
{
const char *passwd_dir = NULL;
int ch, pfd, tfd;
char *line;
size_t len;
while ((ch = getopt(argc, argv, "d:")) != -1)
switch (ch) {
case 'd':
passwd_dir = optarg;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (argc != 0)
usage();
if (pw_init(passwd_dir, NULL) == -1)
err(1, "pw_init()");
if ((pfd = pw_lock()) == -1) {
pw_fini();
err(1, "pw_lock()");
}
if ((tfd = pw_tmp(pfd)) == -1) {
pw_fini();
err(1, "pw_tmp()");
}
close(tfd);
/* Force umask for partial writes made in the edit phase */
umask(077);
for (;;) {
switch (pw_edit(0)) {
case -1:
pw_fini();
err(1, "pw_edit()");
case 0:
pw_fini();
errx(0, "no changes made");
default:
break;
}
if (pw_mkdb(NULL) == 0) {
pw_fini();
errx(0, "password list updated");
}
printf("re-edit the password file? ");
fflush(stdout);
if ((line = fgetln(stdin, &len)) == NULL) {
pw_fini();
err(1, "fgetln()");
}
if (len > 0 && (*line == 'N' || *line == 'n'))
break;
}
pw_fini();
exit(0);
}
