libc/gen/getpwent.c

53 #include <pwd.h>
74 /* Counter as stored in /etc/pwd.db */
262 	struct passwd *pwd;
284 	pwd = va_arg(ap, struct passwd *);
289 	    strlen(pwd->pw_name) + 1;
290 	if (pwd->pw_passwd != NULL)
291 		desired_size += strlen(pwd->pw_passwd) + 1;
292 	if (pwd->pw_class != NULL)
293 		desired_size += strlen(pwd->pw_class) + 1;
294 	if (pwd->pw_gecos != NULL)
295 		desired_size += strlen(pwd->pw_gecos) + 1;
296 	if (pwd->pw_dir != NULL)
297 		desired_size += strlen(pwd->pw_dir) + 1;
298 	if (pwd->pw_shell != NULL)
299 		desired_size += strlen(pwd->pw_shell) + 1;
307 	memcpy(&new_pwd, pwd, sizeof(struct passwd));
366 	struct passwd *pwd;
387 	pwd = va_arg(ap, struct passwd *);
398 	memcpy(pwd, buffer, sizeof(struct passwd));
403 	NS_APPLY_OFFSET(pwd->pw_name, orig_buf, p, char *);
404 	NS_APPLY_OFFSET(pwd->pw_passwd, orig_buf, p, char *);
405 	NS_APPLY_OFFSET(pwd->pw_class, orig_buf, p, char *);
406 	NS_APPLY_OFFSET(pwd->pw_gecos, orig_buf, p, char *);
407 	NS_APPLY_OFFSET(pwd->pw_dir, orig_buf, p, char *);
408 	NS_APPLY_OFFSET(pwd->pw_shell, orig_buf, p, char *);
411 		*((struct passwd **)retval) = pwd;
503 getpwent_r(struct passwd *pwd, char *buffer, size_t bufsize,
528 	pwd_init(pwd);
532 	    pwd, buffer, bufsize, &ret_errno);
541 getpwnam_r(const char *name, struct passwd *pwd, char *buffer, size_t bufsize,
567 	pwd_init(pwd);
571 	    name, pwd, buffer, bufsize, &ret_errno);
580 getpwuid_r(uid_t uid, struct passwd *pwd, char *buffer, size_t bufsize,
606 	pwd_init(pwd);
610 	    uid, pwd, buffer, bufsize, &ret_errno);
619 pwd_init(struct passwd *pwd)
623 	memset(pwd, 0, sizeof(*pwd));
624 	pwd->pw_uid = (uid_t)-1;  /* Considered least likely to lead to */
625 	pwd->pw_gid = (gid_t)-1;  /* a security issue.                  */
626 	pwd->pw_name = nul;
627 	pwd->pw_passwd = nul;
628 	pwd->pw_class = nul;
629 	pwd->pw_gecos = nul;
630 	pwd->pw_dir = nul;
631 	pwd->pw_shell = nul;
635 static struct passwd	 pwd;
654 		rv = fn(key, &pwd, pwd_storage, pwd_storage_size, &res);
675 wrap_getpwnam_r(union key key, struct passwd *pwd, char *buffer,
678 	return (getpwnam_r(key.name, pwd, buffer, bufsize, res));
683 wrap_getpwuid_r(union key key, struct passwd *pwd, char *buffer,
686 	return (getpwuid_r(key.uid, pwd, buffer, bufsize, res));
691 wrap_getpwent_r(union key key __unused, struct passwd *pwd, char *buffer,
694 	return (getpwent_r(pwd, buffer, bufsize, res));
813 	struct passwd		*pwd;
839 	pwd = va_arg(ap, struct passwd *);
920 		rv = pwdb_versions[st->version].parse(buffer, entry.size, pwd,
929 		pwd->pw_fields &= ~_PWF_SOURCE;
930 		pwd->pw_fields |= _PWF_FILES;
932 			*(struct passwd **)retval = pwd;
966 pwdb_parse_entry_v3(char *buffer, size_t bufsize, struct passwd *pwd,
989 	STRING(pwd->pw_name);
990 	STRING(pwd->pw_passwd);
991 	SCALAR(pwd->pw_uid);
992 	SCALAR(pwd->pw_gid);
994 	STRING(pwd->pw_class);
995 	STRING(pwd->pw_gecos);
996 	STRING(pwd->pw_dir);
997 	STRING(pwd->pw_shell);
999 	SCALAR(pwd->pw_fields);
1002 	pwd->pw_change = pw_change;
1003 	pwd->pw_expire = pw_expire;
1037 pwdb_parse_entry_v4(char *buffer, size_t bufsize, struct passwd *pwd,
1061 	STRING(pwd->pw_name);
1062 	STRING(pwd->pw_passwd);
1063 	SCALAR(pwd->pw_uid);
1064 	SCALAR(pwd->pw_gid);
1065 	SCALAR(pwd->pw_change);
1066 	STRING(pwd->pw_class);
1067 	STRING(pwd->pw_gecos);
1068 	STRING(pwd->pw_dir);
1069 	STRING(pwd->pw_shell);
1070 	SCALAR(pwd->pw_expire);
1071 	SCALAR(pwd->pw_fields);
1108 	struct passwd		*pwd;
1132 	pwd     = va_arg(ap, struct passwd *);
1188 		rv = __pw_parse_entry(buffer, bufsize, pwd, 0, errnop);
1196 		pwd->pw_fields &= ~_PWF_SOURCE;
1197 		pwd->pw_fields |= _PWF_HESIOD;
1199 			*(struct passwd **)retval = pwd;
1304 	struct passwd	*pwd;
1325 	pwd     = va_arg(ap, struct passwd *);
1404 			rv = __pw_parse_entry(buffer, resultlen, pwd, master,
1409 		if (strstr(pwd->pw_passwd, "##") != NULL) {
1410 			rv = nis_adjunct(st->domain, pwd->pw_name,
1415 				pwd->pw_passwd = &buffer[resultlen+1];
1417 		pwd->pw_fields &= ~_PWF_SOURCE;
1418 		pwd->pw_fields |= _PWF_NIS;
1420 			*(struct passwd **)retval = pwd;
1478 compat_use_template(struct passwd *pwd, struct passwd *template, char *buffer,
1491 	n += pwd->pw_name != NULL ? strlen(pwd->pw_name) + 1 : 0;
1492 	n += pwd->pw_passwd != NULL ? strlen(pwd->pw_passwd) + 1 : 0;
1493 	n += pwd->pw_class != NULL ? strlen(pwd->pw_class) + 1 : 0;
1494 	n += pwd->pw_gecos != NULL ? strlen(pwd->pw_gecos) + 1 : 0;
1495 	n += pwd->pw_dir != NULL ? strlen(pwd->pw_dir) + 1 : 0;
1496 	n += pwd->pw_shell != NULL ? strlen(pwd->pw_shell) + 1 : 0;
1505 	if (pwd->field == NULL)				\
1509 		p += strlcpy(p, pwd->field, eob-p) + 1;	\
1524 		pwd->field = NULL;					 \
1526 		pwd->field = p;						 \
1547 		pwd->field = template->field;	\
1592     uid_t uid, struct passwd *pwd, char *buffer, size_t bufsize, int *errnop)
1615 	pwd_init(pwd);
1619 		    "getpwent_r", compatsrc, pwd, buffer, bufsize,
1624 		    "getpwuid_r", compatsrc, uid, pwd, buffer,
1629 		    "getpwnam_r", compatsrc, lookup_name, pwd, buffer,
1637 	if (compat_is_excluded(pwd->pw_name, st->exclude)) {
1642 	e = compat_use_template(pwd, &st->template, buffer, bufsize);
1652 		if (strcmp(name, pwd->pw_name) != 0)
1656 		if (uid != pwd->pw_uid)
1749 	struct passwd		*pwd;
1774 	pwd = va_arg(ap, struct passwd *);
1805 		rv = compat_redispatch(st, how, how, name, name, uid, pwd,
1822 			    user, uid, pwd, buffer, bufsize, errnop);
1828 		    uid, pwd, buffer, bufsize, errnop);
1892 			    entry.size, pwd, errnop);
1895 			else if (compat_set_template(pwd, &st->template) < 0) {
1938 		rv = pwdb_versions[st->version].parse(buffer, entry.size, pwd,
1950 			pwd->pw_fields &= ~_PWF_SOURCE;
1951 			pwd->pw_fields |= _PWF_FILES;
1954 			*(struct passwd **)retval = pwd;
2002 __pw_parse_entry(char *buffer, size_t bufsize __unused, struct passwd *pwd,
2006 	if (__pw_scan(buffer, pwd, master ? _PWSCAN_MASTER : 0) == 0)