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
|
/*
Copyright (c) 2007-2010 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS 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.
GlusterFS 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/>.
*/
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include <fnmatch.h>
#include <sys/socket.h>
#include <netdb.h>
#include "authenticate.h"
#include "dict.h"
#define ADDR_DELIMITER " ,"
#define PRIVILEGED_PORT_CEILING 1024
#ifndef AF_INET_SDP
#define AF_INET_SDP 27
#endif
/* TODO: duplicate declaration */
typedef struct peer_info {
struct sockaddr_storage sockaddr;
socklen_t sockaddr_len;
char identifier[UNIX_PATH_MAX];
}peer_info_t;
auth_result_t
gf_auth (dict_t *input_params, dict_t *config_params)
{
int ret = 0;
char *name = NULL;
char *searchstr = NULL;
char peer_addr[UNIX_PATH_MAX];
data_t *peer_info_data = NULL;
peer_info_t *peer_info = NULL;
data_t *allow_addr = NULL, *reject_addr = NULL;
char is_inet_sdp = 0;
char *type = NULL;
gf_boolean_t allow_insecure = _gf_false;
name = data_to_str (dict_get (input_params, "remote-subvolume"));
if (!name) {
gf_log ("authenticate/addr",
GF_LOG_ERROR,
"remote-subvolume not specified");
return AUTH_DONT_CARE;
}
ret = asprintf (&searchstr, "auth.addr.%s.allow", name);
if (-1 == ret) {
gf_log ("auth/addr", GF_LOG_ERROR,
"asprintf failed while setting search string");
return AUTH_DONT_CARE;
}
allow_addr = dict_get (config_params,
searchstr);
free (searchstr);
ret = asprintf (&searchstr, "auth.addr.%s.reject", name);
if (-1 == ret) {
gf_log ("auth/addr", GF_LOG_ERROR,
"asprintf failed while setting search string");
return AUTH_DONT_CARE;
}
reject_addr = dict_get (config_params,
searchstr);
free (searchstr);
if (!allow_addr) {
/* TODO: backword compatibility */
ret = asprintf (&searchstr, "auth.ip.%s.allow", name);
if (-1 == ret) {
gf_log ("auth/addr", GF_LOG_ERROR,
"asprintf failed while setting search string");
return AUTH_DONT_CARE;
}
allow_addr = dict_get (config_params, searchstr);
free (searchstr);
}
if (!(allow_addr || reject_addr)) {
gf_log ("auth/addr", GF_LOG_DEBUG,
"none of the options auth.addr.%s.allow or "
"auth.addr.%s.reject specified, returning auth_dont_care",
name, name);
return AUTH_DONT_CARE;
}
peer_info_data = dict_get (input_params, "peer-info");
if (!peer_info_data) {
gf_log ("authenticate/addr",
GF_LOG_ERROR,
"peer-info not present");
return AUTH_DONT_CARE;
}
peer_info = data_to_ptr (peer_info_data);
switch (((struct sockaddr *) &peer_info->sockaddr)->sa_family)
{
case AF_INET_SDP:
is_inet_sdp = 1;
((struct sockaddr *) &peer_info->sockaddr)->sa_family = AF_INET;
case AF_INET:
case AF_INET6:
{
char *service;
uint16_t peer_port;
strcpy (peer_addr, peer_info->identifier);
service = strrchr (peer_addr, ':');
*service = '\0';
service ++;
if (is_inet_sdp) {
((struct sockaddr *) &peer_info->sockaddr)->sa_family = AF_INET_SDP;
}
ret = dict_get_str (config_params, "rpc-auth-allow-insecure",
&type);
if (ret == 0) {
ret = gf_string2boolean (type, &allow_insecure);
if (ret < 0) {
gf_log ("auth/addr", GF_LOG_WARNING,
"rpc-auth-allow-insecure option %s "
"is not a valid bool option", type);
return AUTH_DONT_CARE;
}
}
peer_port = atoi (service);
if (peer_port >= PRIVILEGED_PORT_CEILING && !allow_insecure) {
gf_log ("auth/addr", GF_LOG_ERROR,
"client is bound to port %d which is not privileged",
peer_port);
return AUTH_DONT_CARE;
}
break;
case AF_UNIX:
strcpy (peer_addr, peer_info->identifier);
break;
default:
gf_log ("authenticate/addr", GF_LOG_ERROR,
"unknown address family %d",
((struct sockaddr *) &peer_info->sockaddr)->sa_family);
return AUTH_DONT_CARE;
}
}
if (reject_addr) {
char *addr_str = NULL;
char *tmp;
char *addr_cpy = strdup (reject_addr->data);
addr_str = strtok_r (addr_cpy, ADDR_DELIMITER, &tmp);
while (addr_str) {
char negate = 0, match =0;
gf_log (name, GF_LOG_DEBUG,
"rejected = \"%s\", received addr = \"%s\"",
addr_str, peer_addr);
if (addr_str[0] == '!') {
negate = 1;
addr_str++;
}
match = fnmatch (addr_str,
peer_addr,
0);
if (negate ? match : !match) {
free (addr_cpy);
return AUTH_REJECT;
}
addr_str = strtok_r (NULL, ADDR_DELIMITER, &tmp);
}
free (addr_cpy);
}
if (allow_addr) {
char *addr_str = NULL;
char *tmp;
char *addr_cpy = strdup (allow_addr->data);
addr_str = strtok_r (addr_cpy, ADDR_DELIMITER, &tmp);
while (addr_str) {
char negate = 0, match = 0;
gf_log (name, GF_LOG_DEBUG,
"allowed = \"%s\", received addr = \"%s\"",
addr_str, peer_addr);
if (addr_str[0] == '!') {
negate = 1;
addr_str++;
}
match = fnmatch (addr_str,
peer_addr,
0);
if (negate ? match : !match) {
free (addr_cpy);
return AUTH_ACCEPT;
}
addr_str = strtok_r (NULL, ADDR_DELIMITER, &tmp);
}
free (addr_cpy);
}
return AUTH_DONT_CARE;
}
struct volume_options options[] = {
{ .key = {"auth.addr.*.allow"},
.type = GF_OPTION_TYPE_ANY
},
{ .key = {"auth.addr.*.reject"},
.type = GF_OPTION_TYPE_ANY
},
/* Backword compatibility */
{ .key = {"auth.ip.*.allow"},
.type = GF_OPTION_TYPE_ANY
},
{ .key = {NULL} }
};
|
