1// Copyright 2011 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build cgo && !osusergo && unix && !android && !darwin
6
7package user
8
9import (
10	"syscall"
11)
12
13/*
14#cgo solaris CFLAGS: -D_POSIX_PTHREAD_SEMANTICS
15#cgo CFLAGS: -fno-stack-protector
16#include <unistd.h>
17#include <sys/types.h>
18#include <pwd.h>
19#include <grp.h>
20#include <stdlib.h>
21#include <string.h>
22
23static struct passwd mygetpwuid_r(int uid, char *buf, size_t buflen, int *found, int *perr) {
24	struct passwd pwd;
25	struct passwd *result;
26	memset (&pwd, 0, sizeof(pwd));
27	*perr = getpwuid_r(uid, &pwd, buf, buflen, &result);
28	*found = result != NULL;
29	return pwd;
30}
31
32static struct passwd mygetpwnam_r(const char *name, char *buf, size_t buflen, int *found, int *perr) {
33	struct passwd pwd;
34	struct passwd *result;
35	memset(&pwd, 0, sizeof(pwd));
36	*perr = getpwnam_r(name, &pwd, buf, buflen, &result);
37	*found = result != NULL;
38	return pwd;
39}
40
41static struct group mygetgrgid_r(int gid, char *buf, size_t buflen, int *found, int *perr) {
42	struct group grp;
43	struct group *result;
44	memset(&grp, 0, sizeof(grp));
45	*perr = getgrgid_r(gid, &grp, buf, buflen, &result);
46	*found = result != NULL;
47	return grp;
48}
49
50static struct group mygetgrnam_r(const char *name, char *buf, size_t buflen, int *found, int *perr) {
51	struct group grp;
52	struct group *result;
53	memset(&grp, 0, sizeof(grp));
54	*perr = getgrnam_r(name, &grp, buf, buflen, &result);
55	*found = result != NULL;
56	return grp;
57}
58*/
59import "C"
60
61type _C_char = C.char
62type _C_int = C.int
63type _C_gid_t = C.gid_t
64type _C_uid_t = C.uid_t
65type _C_size_t = C.size_t
66type _C_struct_group = C.struct_group
67type _C_struct_passwd = C.struct_passwd
68type _C_long = C.long
69
70func _C_pw_uid(p *_C_struct_passwd) _C_uid_t   { return p.pw_uid }
71func _C_pw_uidp(p *_C_struct_passwd) *_C_uid_t { return &p.pw_uid }
72func _C_pw_gid(p *_C_struct_passwd) _C_gid_t   { return p.pw_gid }
73func _C_pw_gidp(p *_C_struct_passwd) *_C_gid_t { return &p.pw_gid }
74func _C_pw_name(p *_C_struct_passwd) *_C_char  { return p.pw_name }
75func _C_pw_gecos(p *_C_struct_passwd) *_C_char { return p.pw_gecos }
76func _C_pw_dir(p *_C_struct_passwd) *_C_char   { return p.pw_dir }
77
78func _C_gr_gid(g *_C_struct_group) _C_gid_t  { return g.gr_gid }
79func _C_gr_name(g *_C_struct_group) *_C_char { return g.gr_name }
80
81func _C_GoString(p *_C_char) string { return C.GoString(p) }
82
83func _C_getpwnam_r(name *_C_char, buf *_C_char, size _C_size_t) (pwd _C_struct_passwd, found bool, errno syscall.Errno) {
84	var f, e _C_int
85	pwd = C.mygetpwnam_r(name, buf, size, &f, &e)
86	return pwd, f != 0, syscall.Errno(e)
87}
88
89func _C_getpwuid_r(uid _C_uid_t, buf *_C_char, size _C_size_t) (pwd _C_struct_passwd, found bool, errno syscall.Errno) {
90	var f, e _C_int
91	pwd = C.mygetpwuid_r(_C_int(uid), buf, size, &f, &e)
92	return pwd, f != 0, syscall.Errno(e)
93}
94
95func _C_getgrnam_r(name *_C_char, buf *_C_char, size _C_size_t) (grp _C_struct_group, found bool, errno syscall.Errno) {
96	var f, e _C_int
97	grp = C.mygetgrnam_r(name, buf, size, &f, &e)
98	return grp, f != 0, syscall.Errno(e)
99}
100
101func _C_getgrgid_r(gid _C_gid_t, buf *_C_char, size _C_size_t) (grp _C_struct_group, found bool, errno syscall.Errno) {
102	var f, e _C_int
103	grp = C.mygetgrgid_r(_C_int(gid), buf, size, &f, &e)
104	return grp, f != 0, syscall.Errno(e)
105}
106
107const (
108	_C__SC_GETPW_R_SIZE_MAX = C._SC_GETPW_R_SIZE_MAX
109	_C__SC_GETGR_R_SIZE_MAX = C._SC_GETGR_R_SIZE_MAX
110)
111
112func _C_sysconf(key _C_int) _C_long { return C.sysconf(key) }
113