summaryrefslogtreecommitdiff
path: root/source3/lib/util_cmdline.c
blob: 440384608bcdd27c4acced3fddfb97cce7a468c8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
/*
   Unix SMB/CIFS implementation.
   Samba utility functions
   Copyright (C) Andrew Tridgell 1992-1998
   Copyright (C) Jeremy Allison 2001-2007
   Copyright (C) Simo Sorce 2001
   Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
   Copyright (C) James Peach 2006

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "auth_info.h"
#include "secrets.h"

/**************************************************************************n
  Code to cope with username/password auth options from the commandline.
  Used mainly in client tools.
****************************************************************************/

struct user_auth_info *user_auth_info_init(TALLOC_CTX *mem_ctx)
{
	struct user_auth_info *result;

	result = talloc_zero(mem_ctx, struct user_auth_info);
	if (result == NULL) {
		return NULL;
	}

	result->signing_state = SMB_SIGNING_DEFAULT;
	return result;
}

const char *get_cmdline_auth_info_username(const struct user_auth_info *auth_info)
{
	if (!auth_info->username) {
		return "";
	}
	return auth_info->username;
}

void set_cmdline_auth_info_username(struct user_auth_info *auth_info,
				    const char *username)
{
	TALLOC_FREE(auth_info->username);
	auth_info->username = talloc_strdup(auth_info, username);
	if (!auth_info->username) {
		exit(ENOMEM);
	}
}

const char *get_cmdline_auth_info_domain(const struct user_auth_info *auth_info)
{
	if (!auth_info->domain) {
		return "";
	}
	return auth_info->domain;
}

void set_cmdline_auth_info_domain(struct user_auth_info *auth_info,
				  const char *domain)
{
	TALLOC_FREE(auth_info->domain);
	auth_info->domain = talloc_strdup(auth_info, domain);
	if (!auth_info->domain) {
		exit(ENOMEM);
	}
}

const char *get_cmdline_auth_info_password(const struct user_auth_info *auth_info)
{
	if (!auth_info->password) {
		return "";
	}
	return auth_info->password;
}

void set_cmdline_auth_info_password(struct user_auth_info *auth_info,
				    const char *password)
{
	TALLOC_FREE(auth_info->password);
	if (password == NULL) {
		password = "";
	}
	auth_info->password = talloc_strdup(auth_info, password);
	if (!auth_info->password) {
		exit(ENOMEM);
	}
	auth_info->got_pass = true;
}

bool set_cmdline_auth_info_signing_state(struct user_auth_info *auth_info,
					 const char *arg)
{
	auth_info->signing_state = SMB_SIGNING_DEFAULT;
	if (strequal(arg, "off") || strequal(arg, "no") ||
			strequal(arg, "false")) {
		auth_info->signing_state = SMB_SIGNING_OFF;
	} else if (strequal(arg, "on") || strequal(arg, "yes") ||
			strequal(arg, "if_required") ||
			strequal(arg, "true") || strequal(arg, "auto")) {
		auth_info->signing_state = SMB_SIGNING_IF_REQUIRED;
	} else if (strequal(arg, "force") || strequal(arg, "required") ||
			strequal(arg, "forced")) {
		auth_info->signing_state = SMB_SIGNING_REQUIRED;
	} else {
		return false;
	}
	return true;
}

int get_cmdline_auth_info_signing_state(const struct user_auth_info *auth_info)
{
	return auth_info->signing_state;
}

void set_cmdline_auth_info_use_ccache(struct user_auth_info *auth_info, bool b)
{
        auth_info->use_ccache = b;
}

bool get_cmdline_auth_info_use_ccache(const struct user_auth_info *auth_info)
{
	return auth_info->use_ccache;
}

void set_cmdline_auth_info_use_pw_nt_hash(struct user_auth_info *auth_info,
					  bool b)
{
	auth_info->use_pw_nt_hash = b;
}

bool get_cmdline_auth_info_use_pw_nt_hash(
	const struct user_auth_info *auth_info)
{
	return auth_info->use_pw_nt_hash;
}

void set_cmdline_auth_info_use_kerberos(struct user_auth_info *auth_info,
					bool b)
{
        auth_info->use_kerberos = b;
}

bool get_cmdline_auth_info_use_kerberos(const struct user_auth_info *auth_info)
{
	return auth_info->use_kerberos;
}

void set_cmdline_auth_info_fallback_after_kerberos(struct user_auth_info *auth_info,
					bool b)
{
	auth_info->fallback_after_kerberos = b;
}

bool get_cmdline_auth_info_fallback_after_kerberos(const struct user_auth_info *auth_info)
{
	return auth_info->fallback_after_kerberos;
}

/* This should only be used by lib/popt_common.c JRA */
void set_cmdline_auth_info_use_krb5_ticket(struct user_auth_info *auth_info)
{
	auth_info->use_kerberos = true;
	auth_info->got_pass = true;
}

/* This should only be used by lib/popt_common.c JRA */
void set_cmdline_auth_info_smb_encrypt(struct user_auth_info *auth_info)
{
	auth_info->smb_encrypt = true;
}

void set_cmdline_auth_info_use_machine_account(struct user_auth_info *auth_info)
{
	auth_info->use_machine_account = true;
}

bool get_cmdline_auth_info_got_pass(const struct user_auth_info *auth_info)
{
	return auth_info->got_pass;
}

bool get_cmdline_auth_info_smb_encrypt(const struct user_auth_info *auth_info)
{
	return auth_info->smb_encrypt;
}

bool get_cmdline_auth_info_use_machine_account(const struct user_auth_info *auth_info)
{
	return auth_info->use_machine_account;
}

bool set_cmdline_auth_info_machine_account_creds(struct user_auth_info *auth_info)
{
	char *pass = NULL;
	char *account = NULL;

	if (!get_cmdline_auth_info_use_machine_account(auth_info)) {
		return false;
	}

	if (!secrets_init()) {
		d_printf("ERROR: Unable to open secrets database\n");
		return false;
	}

	if (asprintf(&account, "%s$@%s", lp_netbios_name(), lp_realm()) < 0) {
		return false;
	}

	pass = secrets_fetch_machine_password(lp_workgroup(), NULL, NULL);
	if (!pass) {
		d_printf("ERROR: Unable to fetch machine password for "
			"%s in domain %s\n",
			account, lp_workgroup());
		SAFE_FREE(account);
		return false;
	}

	set_cmdline_auth_info_username(auth_info, account);
	set_cmdline_auth_info_password(auth_info, pass);

	SAFE_FREE(account);
	SAFE_FREE(pass);

	return true;
}

/****************************************************************************
 Ensure we have a password if one not given.
****************************************************************************/

void set_cmdline_auth_info_getpass(struct user_auth_info *auth_info)
{
	char *label = NULL;
	char *pass;
	TALLOC_CTX *frame;

	if (get_cmdline_auth_info_got_pass(auth_info) ||
			get_cmdline_auth_info_use_kerberos(auth_info)) {
		/* Already got one... */
		return;
	}

	frame = talloc_stackframe();
	label = talloc_asprintf(frame, "Enter %s's password: ",
			get_cmdline_auth_info_username(auth_info));
	pass = getpass(label);
	if (pass) {
		set_cmdline_auth_info_password(auth_info, pass);
	}
	TALLOC_FREE(frame);
}