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
|
/*
* Ouroboros - Copyright (C) 2016 - 2021
*
* Enroll IPC Processes
*
* Dimitri Staessens <dimitri@ouroboros.rocks>
* Sander Vrijders <sander@ouroboros.rocks>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <ouroboros/irm.h>
#include "irm_ops.h"
#include "irm_utils.h"
#include <string.h>
#define UNICAST "unicast"
#define BROADCAST "broadcast"
static void usage(void)
{
printf("Usage: irm ipcp enroll\n"
" name <ipcp name>\n"
" [layer <layer to enroll with>]\n"
" [dst <destination to enroll with>]\n"
" [type [TYPE], default = " UNICAST "]\n"
" [autobind]\n"
"where TYPE = {" UNICAST " " BROADCAST "}\n");
}
static int get_layer_name(const char * ipcp,
char * layer_name)
{
struct ipcp_info * ipcps;
ssize_t len;
ssize_t i;
len = irm_list_ipcps(&ipcps);
for (i = 0; i < len; i++)
if (strcmp(ipcps[i].name, ipcp) == 0) {
strcpy(layer_name, ipcps[i].layer);
free(ipcps);
return 0;
}
free(ipcps);
return -1;
}
int do_enroll_ipcp(int argc,
char ** argv)
{
char * ipcp = NULL;
char * layer = NULL;
char * dst = NULL;
struct ipcp_info * ipcps;
pid_t pid = -1;
ssize_t len = 0;
int i = 0;
bool autobind = false;
int cargs;
char * ipcp_type = UNICAST;
enum ipcp_type type = IPCP_INVALID;
while (argc > 0) {
cargs = 2;
if (matches(*argv, "name") == 0) {
ipcp = *(argv + 1);
} else if (matches(*argv, "type") == 0) {
ipcp_type = *(argv + 1);
} else if (matches(*argv, "layer") == 0) {
layer = *(argv + 1);
} else if (matches(*argv, "dst") == 0) {
dst = *(argv + 1);
} else if (matches(*argv, "autobind") == 0) {
autobind = true;
cargs = 1;
} else {
printf("\"%s\" is unknown, try \"irm "
"enroll_ipcp\".\n", *argv);
return -1;
}
argc -= cargs;
argv += cargs;
}
if ((layer == NULL && dst == NULL) || ipcp == NULL) {
usage();
return -1;
}
if (dst == NULL)
dst = layer;
if (strcmp(ipcp_type, UNICAST) == 0)
type = IPCP_UNICAST;
else if (strcmp(ipcp_type, BROADCAST) == 0)
type = IPCP_BROADCAST;
len = irm_list_ipcps(&ipcps);
for (i = 0; i < len; i++)
if (wildcard_match(ipcps[i].name, ipcp) == 0 &&
ipcps[i].type == type)
pid = ipcps[i].pid;
if (pid < 0) {
pid = irm_create_ipcp(ipcp, type);
if (pid < 0)
goto fail;
free(ipcps);
len = irm_list_ipcps(&ipcps);
}
for (i = 0; i < len; i++) {
char enr_layer[LAYER_NAME_SIZE];
if (ipcps[i].type != type)
continue;
if (wildcard_match(ipcps[i].name, ipcp) != 0)
continue;
pid = ipcps[i].pid;
if (irm_enroll_ipcp(pid, dst)) {
printf("Failed to enroll IPCP.\n");
goto fail;
}
if (get_layer_name(ipcps[i].name, enr_layer)) {
printf("Could not get layer name.\n");
goto fail;
}
if (layer != NULL && strcmp(enr_layer, layer)) {
printf("Enrollment destination does not "
"match requested layer.\n");
goto fail;
}
if (autobind && irm_bind_process(pid, ipcp)) {
printf("Failed to bind %d to %s.\n", pid, ipcp);
goto fail;
}
if (autobind && irm_bind_process(pid, enr_layer)) {
printf("Failed to bind %d to %s.\n", pid, enr_layer);
goto fail;
}
}
free(ipcps);
return 0;
fail:
free(ipcps);
return -1;
}
|
