/
cli.c
316 lines (265 loc) · 7.57 KB
/
cli.c
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
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
#include "lib.h"
uint64_t cli_request_get_nonce(uint32_t id);
void *cli_start_communication(void *context);
void *cli_stop_communication(void *context);
/* Map-Reply handling code */
int
cli_reply_add(uint32_t id)
{
uint64_t nonce = cli_request_get_nonce(id);
printf("Map-Reply %u\n", id);
printf(" <");
printf("nonce=%lld", (long long int)nonce);
printf(">\n");
return (TRUE);
}
int
cli_reply_add_record(struct prefix *p,
uint32_t ttl, uint8_t lcount,
uint32_t version, uint8_t A, uint8_t act)
{
char buf[BSIZE];
bzero(buf, BSIZE);
inet_ntop(p->family, (void *)&p->u.prefix, buf, BSIZE);
printf("EID %s/%d: ", buf, p->prefixlen);
printf("<");
printf("Lcount=%u", lcount);
printf(", ");
printf("TTL=%u", ttl);
if (lcount == 0) {
printf(", ");
printf("ACT=%d", act);
}
printf(", ");
printf("version=%u", version);
printf(", ");
printf("A=%u", A);
printf(">\n");
if (lcount == 0) {
printf("\tNegative reply\n");
}
return (TRUE);
}
int
cli_reply_add_locator(uint32_t id, struct map_entry *e)
{
char buf[BSIZE];
bzero(buf, BSIZE);
switch (e->rloc.sa.sa_family) {
case AF_INET:
inet_ntop(AF_INET, (void *)&e->rloc.sin.sin_addr, buf, BSIZE);
break;
case AF_INET6:
inet_ntop(AF_INET6, (void *)&e->rloc.sin6.sin6_addr, buf, BSIZE);
break;
default:
printf("unsuported family\n");
return (FALSE);
}
printf("\t[rloc=%s, p=%d, w=%d, r=%d, L=%d, p=%d]\n", buf, e->priority, e->weight, e->r, e->L, e->p);
return (TRUE);
}
int
cli_reply_error(uint32_t id)
{
printf("Unknown error (%u)\n", id);
return (TRUE);
}
int
cli_reply_terminate(uint32_t id)
{
printf("send Map-Reply %u\n", id);
return (TRUE);
}
/* ! Map-Reply handling code */
/* Map-Request handling code */
struct map_request{
char *eid;
uint64_t nonce;
};
#define MAX_INCOMING_QUEUE 1024
struct map_request incoming_messages[MAX_INCOMING_QUEUE];
uint32_t
cli_request_add(char *eid, uint64_t nonce)
{
struct map_request *mr = &incoming_messages[666];
mr->eid = eid;
mr->nonce = nonce;
return (666);
}
int
cli_request_terminate(uint32_t id)
{
assert(id < MAX_INCOMING_QUEUE);
bzero(&incoming_messages[id], sizeof(struct map_request));
return (TRUE);
}
int
cli_request_get_eid(uint32_t id, struct prefix *p)
{
assert(id < MAX_INCOMING_QUEUE);
char *eid;
eid = incoming_messages[id].eid;
str2prefix(eid, p);
return (TRUE);
}
uint64_t
cli_request_get_nonce(uint32_t id)
{
assert(id < MAX_INCOMING_QUEUE);
return incoming_messages[id].nonce;
}
/* ! Map-Request handling code */
/* CLI function binding */
struct communication_fct cli_fct = {\
.start_communication = cli_start_communication, \
.stop_communication = cli_stop_communication, \
.reply_add = cli_reply_add,\
.reply_add_record = cli_reply_add_record, \
.reply_add_locator = cli_reply_add_locator,\
.reply_error = cli_reply_error, \
.reply_terminate = cli_reply_terminate, \
.request_terminate = cli_request_terminate, \
.request_get_eid = cli_request_get_eid , \
.request_get_nonce = cli_request_get_nonce
};
void *
cli_start_communication(void *context)
{
char line[2048];
char *params[100];
char *token;
uint32_t rid;
int i = 0;
while (fgets(line, sizeof line, stdin) != NULL) {
line[strlen(line)-1] = '\0';
token = strtok (line, " ");
while (token != NULL) {
params[i++] = token;
token = strtok (NULL, " ,");
}
if (!i)
continue;
/* == GET a mapping */
/* Map-Request <eid> <nonce> */
if (strcasecmp("map-request", params[0]) == 0 && i == 3) {
rid = cli_request_add(params[1], (uint64_t)atoi(params[2]));
generic_process_request(rid, &cli_fct);
}
/* == Stop the CLI */
/* quit */
if (strcasecmp("quit", params[0]) == 0) {
cli_fct.stop_communication(NULL);
return (NULL);
}
/* == Register a new mapping */
/* example:
=======
map-register 6.6.6.6/24 version 65 A true TTL 56 -rloc address 127.0.0.1 priority 1 weight 100 m_priority 255 m_priority 0 reachable false -rloc address6 fe80::226:bbff:fe0e:882c priority 2 weight 100 m_priority 255 m_priority 0 reachable true
map-register 1.2.3.4/32 ACT 2 TTL 5 A true
map-request 6.6.6.6 123567
map-request 1.2.3.4 098765
*/
/* Map-Register <eid> */
if (strcasecmp("map-register", params[0]) == 0) {
void *_mapping;
struct prefix p1;
struct mapping_flags *mflags;
struct map_entry *entry = NULL;
int j = 1;
printf("p1:%s\n", params[j]);
str2prefix (params[j], &p1);
apply_mask(&p1);
_mapping = generic_mapping_new(&p1);
j++;
int prev = 0;
int count = 0;
void *ptr = NULL;
mflags = calloc(1, sizeof(struct mapping_flags));
while (j < i - 1) {
if (0 == strcasecmp(params[j], "-rloc")) {
j++;
if (prev && count > 0) {
printf("ADD RLOC\n");
assert(entry != NULL);
generic_mapping_add_rloc(_mapping, entry);
prev = 0;
}
printf("new rloc\n");
entry = calloc(1, sizeof(struct map_entry));
printf("%p\n", entry);
continue;
}else if (0 == strcasecmp(params[j], "priority")) {
entry->priority = atoi(params[j+1]);
}else if (0 == strcasecmp(params[j], "m_priority")) {
entry->m_priority = atoi(params[j+1]);
}else if (0 == strcasecmp(params[j], "weight")) {
entry->weight = atoi(params[j+1]);
}else if (0 == strcasecmp(params[j], "m_weight")) {
entry->m_weight = atoi(params[j+1]);
}else if (0 == strcasecmp(params[j], "reachable")) {
entry->r = (strcasecmp(params[j+1], "true")==0);
}else if (0 == strcasecmp(params[j], "local")) {
entry->L = (strcasecmp(params[j+1], "true")==0);
}else if (0 == strcasecmp(params[j], "rloc-probing")) {
entry->p = (strcasecmp(params[j+1], "true")==0);
}else if (0 == strcasecmp(params[j], "address")) {
entry->rloc.sa.sa_family = AF_INET;
ptr = &(entry->rloc.sin.sin_addr);
}else if (0 == strcasecmp(params[j], "address6")) {
entry->rloc.sa.sa_family = AF_INET6;
ptr = &entry->rloc.sin6.sin6_addr;
} /* mapping flags*/
else if (0 == strcasecmp(params[j], "act")) {
mflags->act = atoi(params[j+1]);
}else if (0 == strcasecmp(params[j], "a")) {
mflags->A = (strcasecmp(params[j+1], "true")==0);
}else if (0 == strcasecmp(params[j], "version")) {
mflags->version = atoi(params[j+1]);
}else if (0 == strcasecmp(params[j], "ttl")) {
mflags->ttl = atoi(params[j+1]);
}
/* an RLOC */
if (ptr) {
count++;
inet_pton(entry->rloc.sa.sa_family, params[j+1], ptr);
ptr = NULL;
}
//printf("%s -> %s\n", params[j], params[j+1]);
j = j+2;
prev = 1;
}
if (prev && count > 0) {
printf("ADD RLOC\n");
generic_mapping_add_rloc(_mapping, entry);
prev = 0;
}
generic_mapping_set_flags(_mapping, mflags);
}
if (strcasecmp("map-database", params[0]) == 0) {
assert(ms_db->lisp_db4);
assert(ms_db->lisp_db6);
list_db(ms_db->lisp_db4);
list_db(ms_db->lisp_db6);
}
if (strcasecmp("reload", params[0]) == 0) {
reconfigure();
}
if (strcasecmp("help", params[0]) == 0) {
printf("""\t•map-database\n");
printf("\t•map-register\n");
printf("\t\tExample:\n \t\t\t map-register 6.6.6.6/24 version 65 A true TTL 56 \\ \n \t\t\t-rloc address 127.0.0.1 priority 1 weight 100 m_priority 255 m_priority 0 reachable false \\ \n \t\t\t -rloc address6 fe80::226:bbff:fe0e:882c priority 2 weight 100 m_priority 255 m_priority 0 reachable true\n");
printf("\t•map-request\n");
printf("\t\ttexample:\n \t\t\tmap-request 6.6.6.6 123567\n");
printf("\t•reload\n");
}
}
return (NULL);
}
void *
cli_stop_communication(void *context)
{
printf("bye\n");
exit(EXIT_FAILURE);
return (NULL);
}