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-rw-r--r--networking/libiproute/ipaddress.c139
-rw-r--r--networking/libiproute/iproute.c182
2 files changed, 168 insertions, 153 deletions
diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index 03f5073fb..f2e340a42 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -40,7 +40,7 @@ typedef struct filter_t {
40 inet_prefix pfx; 40 inet_prefix pfx;
41} filter_t; 41} filter_t;
42 42
43#define filter (*(filter_t*)&bb_common_bufsiz1) 43#define G_filter (*(filter_t*)&bb_common_bufsiz1)
44 44
45 45
46static void print_link_flags(unsigned flags, unsigned mdown) 46static void print_link_flags(unsigned flags, unsigned mdown)
@@ -107,9 +107,9 @@ static NOINLINE int print_linkinfo(const struct nlmsghdr *n)
107 if (len < 0) 107 if (len < 0)
108 return -1; 108 return -1;
109 109
110 if (filter.ifindex && ifi->ifi_index != filter.ifindex) 110 if (G_filter.ifindex && ifi->ifi_index != G_filter.ifindex)
111 return 0; 111 return 0;
112 if (filter.up && !(ifi->ifi_flags & IFF_UP)) 112 if (G_filter.up && !(ifi->ifi_flags & IFF_UP))
113 return 0; 113 return 0;
114 114
115 memset(tb, 0, sizeof(tb)); 115 memset(tb, 0, sizeof(tb));
@@ -118,9 +118,9 @@ static NOINLINE int print_linkinfo(const struct nlmsghdr *n)
118 bb_error_msg("nil ifname"); 118 bb_error_msg("nil ifname");
119 return -1; 119 return -1;
120 } 120 }
121 if (filter.label 121 if (G_filter.label
122 && (!filter.family || filter.family == AF_PACKET) 122 && (!G_filter.family || G_filter.family == AF_PACKET)
123 && fnmatch(filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0) 123 && fnmatch(G_filter.label, RTA_DATA(tb[IFLA_IFNAME]), 0)
124 ) { 124 ) {
125 return 0; 125 return 0;
126 } 126 }
@@ -161,10 +161,10 @@ static NOINLINE int print_linkinfo(const struct nlmsghdr *n)
161 printf("master %s ", ll_idx_n2a(*(int*)RTA_DATA(tb[IFLA_MASTER]), b1)); 161 printf("master %s ", ll_idx_n2a(*(int*)RTA_DATA(tb[IFLA_MASTER]), b1));
162 } 162 }
163#endif 163#endif
164 if (filter.showqueue) 164 if (G_filter.showqueue)
165 print_queuelen((char*)RTA_DATA(tb[IFLA_IFNAME])); 165 print_queuelen((char*)RTA_DATA(tb[IFLA_IFNAME]));
166 166
167 if (!filter.family || filter.family == AF_PACKET) { 167 if (!G_filter.family || G_filter.family == AF_PACKET) {
168 SPRINT_BUF(b1); 168 SPRINT_BUF(b1);
169 printf("%c link/%s ", _SL_, ll_type_n2a(ifi->ifi_type, b1)); 169 printf("%c link/%s ", _SL_, ll_type_n2a(ifi->ifi_type, b1));
170 170
@@ -192,11 +192,11 @@ static NOINLINE int print_linkinfo(const struct nlmsghdr *n)
192 192
193static int flush_update(void) 193static int flush_update(void)
194{ 194{
195 if (rtnl_send(filter.rth, filter.flushb, filter.flushp) < 0) { 195 if (rtnl_send(G_filter.rth, G_filter.flushb, G_filter.flushp) < 0) {
196 bb_perror_msg("failed to send flush request"); 196 bb_perror_msg("failed to send flush request");
197 return -1; 197 return -1;
198 } 198 }
199 filter.flushp = 0; 199 G_filter.flushp = 0;
200 return 0; 200 return 0;
201} 201}
202 202
@@ -217,7 +217,7 @@ static int FAST_FUNC print_addrinfo(const struct sockaddr_nl *who UNUSED_PARAM,
217 return -1; 217 return -1;
218 } 218 }
219 219
220 if (filter.flushb && n->nlmsg_type != RTM_NEWADDR) 220 if (G_filter.flushb && n->nlmsg_type != RTM_NEWADDR)
221 return 0; 221 return 0;
222 222
223 memset(rta_tb, 0, sizeof(rta_tb)); 223 memset(rta_tb, 0, sizeof(rta_tb));
@@ -228,52 +228,52 @@ static int FAST_FUNC print_addrinfo(const struct sockaddr_nl *who UNUSED_PARAM,
228 if (!rta_tb[IFA_ADDRESS]) 228 if (!rta_tb[IFA_ADDRESS])
229 rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL]; 229 rta_tb[IFA_ADDRESS] = rta_tb[IFA_LOCAL];
230 230
231 if (filter.ifindex && filter.ifindex != ifa->ifa_index) 231 if (G_filter.ifindex && G_filter.ifindex != ifa->ifa_index)
232 return 0; 232 return 0;
233 if ((filter.scope ^ ifa->ifa_scope) & filter.scopemask) 233 if ((G_filter.scope ^ ifa->ifa_scope) & G_filter.scopemask)
234 return 0; 234 return 0;
235 if ((filter.flags ^ ifa->ifa_flags) & filter.flagmask) 235 if ((G_filter.flags ^ ifa->ifa_flags) & G_filter.flagmask)
236 return 0; 236 return 0;
237 if (filter.label) { 237 if (G_filter.label) {
238 const char *label; 238 const char *label;
239 if (rta_tb[IFA_LABEL]) 239 if (rta_tb[IFA_LABEL])
240 label = RTA_DATA(rta_tb[IFA_LABEL]); 240 label = RTA_DATA(rta_tb[IFA_LABEL]);
241 else 241 else
242 label = ll_idx_n2a(ifa->ifa_index, b1); 242 label = ll_idx_n2a(ifa->ifa_index, b1);
243 if (fnmatch(filter.label, label, 0) != 0) 243 if (fnmatch(G_filter.label, label, 0) != 0)
244 return 0; 244 return 0;
245 } 245 }
246 if (filter.pfx.family) { 246 if (G_filter.pfx.family) {
247 if (rta_tb[IFA_LOCAL]) { 247 if (rta_tb[IFA_LOCAL]) {
248 inet_prefix dst; 248 inet_prefix dst;
249 memset(&dst, 0, sizeof(dst)); 249 memset(&dst, 0, sizeof(dst));
250 dst.family = ifa->ifa_family; 250 dst.family = ifa->ifa_family;
251 memcpy(&dst.data, RTA_DATA(rta_tb[IFA_LOCAL]), RTA_PAYLOAD(rta_tb[IFA_LOCAL])); 251 memcpy(&dst.data, RTA_DATA(rta_tb[IFA_LOCAL]), RTA_PAYLOAD(rta_tb[IFA_LOCAL]));
252 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen)) 252 if (inet_addr_match(&dst, &G_filter.pfx, G_filter.pfx.bitlen))
253 return 0; 253 return 0;
254 } 254 }
255 } 255 }
256 256
257 if (filter.flushb) { 257 if (G_filter.flushb) {
258 struct nlmsghdr *fn; 258 struct nlmsghdr *fn;
259 if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) { 259 if (NLMSG_ALIGN(G_filter.flushp) + n->nlmsg_len > G_filter.flushe) {
260 if (flush_update()) 260 if (flush_update())
261 return -1; 261 return -1;
262 } 262 }
263 fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp)); 263 fn = (struct nlmsghdr*)(G_filter.flushb + NLMSG_ALIGN(G_filter.flushp));
264 memcpy(fn, n, n->nlmsg_len); 264 memcpy(fn, n, n->nlmsg_len);
265 fn->nlmsg_type = RTM_DELADDR; 265 fn->nlmsg_type = RTM_DELADDR;
266 fn->nlmsg_flags = NLM_F_REQUEST; 266 fn->nlmsg_flags = NLM_F_REQUEST;
267 fn->nlmsg_seq = ++filter.rth->seq; 267 fn->nlmsg_seq = ++G_filter.rth->seq;
268 filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb; 268 G_filter.flushp = (((char*)fn) + n->nlmsg_len) - G_filter.flushb;
269 filter.flushed = 1; 269 G_filter.flushed = 1;
270 return 0; 270 return 0;
271 } 271 }
272 272
273 if (n->nlmsg_type == RTM_DELADDR) 273 if (n->nlmsg_type == RTM_DELADDR)
274 printf("Deleted "); 274 printf("Deleted ");
275 275
276 if (filter.oneline) 276 if (G_filter.oneline)
277 printf("%u: %s", ifa->ifa_index, ll_index_to_name(ifa->ifa_index)); 277 printf("%u: %s", ifa->ifa_index, ll_index_to_name(ifa->ifa_index));
278 if (ifa->ifa_family == AF_INET) 278 if (ifa->ifa_family == AF_INET)
279 printf(" inet "); 279 printf(" inet ");
@@ -366,14 +366,13 @@ static int print_selected_addrinfo(int ifindex, struct nlmsg_list *ainfo)
366 366
367 if (n->nlmsg_type != RTM_NEWADDR) 367 if (n->nlmsg_type != RTM_NEWADDR)
368 continue; 368 continue;
369
370 if (n->nlmsg_len < NLMSG_LENGTH(sizeof(ifa))) 369 if (n->nlmsg_len < NLMSG_LENGTH(sizeof(ifa)))
371 return -1; 370 return -1;
372 371 if (ifa->ifa_index != ifindex
373 if (ifa->ifa_index != ifindex || 372 || (G_filter.family && G_filter.family != ifa->ifa_family)
374 (filter.family && filter.family != ifa->ifa_family)) 373 ) {
375 continue; 374 continue;
376 375 }
377 print_addrinfo(NULL, n, NULL); 376 print_addrinfo(NULL, n, NULL);
378 } 377 }
379 return 0; 378 return 0;
@@ -401,8 +400,8 @@ static int FAST_FUNC store_nlmsg(const struct sockaddr_nl *who, struct nlmsghdr
401 400
402static void ipaddr_reset_filter(int _oneline) 401static void ipaddr_reset_filter(int _oneline)
403{ 402{
404 memset(&filter, 0, sizeof(filter)); 403 memset(&G_filter, 0, sizeof(G_filter));
405 filter.oneline = _oneline; 404 G_filter.oneline = _oneline;
406} 405}
407 406
408/* Return value becomes exitcode. It's okay to not return at all */ 407/* Return value becomes exitcode. It's okay to not return at all */
@@ -418,16 +417,16 @@ int ipaddr_list_or_flush(char **argv, int flush)
418 int no_link = 0; 417 int no_link = 0;
419 418
420 ipaddr_reset_filter(oneline); 419 ipaddr_reset_filter(oneline);
421 filter.showqueue = 1; 420 G_filter.showqueue = 1;
422 421
423 if (filter.family == AF_UNSPEC) 422 if (G_filter.family == AF_UNSPEC)
424 filter.family = preferred_family; 423 G_filter.family = preferred_family;
425 424
426 if (flush) { 425 if (flush) {
427 if (!*argv) { 426 if (!*argv) {
428 bb_error_msg_and_die(bb_msg_requires_arg, "flush"); 427 bb_error_msg_and_die(bb_msg_requires_arg, "flush");
429 } 428 }
430 if (filter.family == AF_PACKET) { 429 if (G_filter.family == AF_PACKET) {
431 bb_error_msg_and_die("can't flush link addresses"); 430 bb_error_msg_and_die("can't flush link addresses");
432 } 431 }
433 } 432 }
@@ -437,32 +436,31 @@ int ipaddr_list_or_flush(char **argv, int flush)
437 switch (option_num) { 436 switch (option_num) {
438 case 0: /* to */ 437 case 0: /* to */
439 NEXT_ARG(); 438 NEXT_ARG();
440 get_prefix(&filter.pfx, *argv, filter.family); 439 get_prefix(&G_filter.pfx, *argv, G_filter.family);
441 if (filter.family == AF_UNSPEC) { 440 if (G_filter.family == AF_UNSPEC) {
442 filter.family = filter.pfx.family; 441 G_filter.family = G_filter.pfx.family;
443 } 442 }
444 break; 443 break;
445 case 1: /* scope */ 444 case 1: { /* scope */
446 {
447 uint32_t scope = 0; 445 uint32_t scope = 0;
448 NEXT_ARG(); 446 NEXT_ARG();
449 filter.scopemask = -1; 447 G_filter.scopemask = -1;
450 if (rtnl_rtscope_a2n(&scope, *argv)) { 448 if (rtnl_rtscope_a2n(&scope, *argv)) {
451 if (strcmp(*argv, "all") != 0) { 449 if (strcmp(*argv, "all") != 0) {
452 invarg(*argv, "scope"); 450 invarg(*argv, "scope");
453 } 451 }
454 scope = RT_SCOPE_NOWHERE; 452 scope = RT_SCOPE_NOWHERE;
455 filter.scopemask = 0; 453 G_filter.scopemask = 0;
456 } 454 }
457 filter.scope = scope; 455 G_filter.scope = scope;
458 break; 456 break;
459 } 457 }
460 case 2: /* up */ 458 case 2: /* up */
461 filter.up = 1; 459 G_filter.up = 1;
462 break; 460 break;
463 case 3: /* label */ 461 case 3: /* label */
464 NEXT_ARG(); 462 NEXT_ARG();
465 filter.label = *argv; 463 G_filter.label = *argv;
466 break; 464 break;
467 case 4: /* dev */ 465 case 4: /* dev */
468 NEXT_ARG(); 466 NEXT_ARG();
@@ -481,40 +479,41 @@ int ipaddr_list_or_flush(char **argv, int flush)
481 xrtnl_dump_filter(&rth, store_nlmsg, &linfo); 479 xrtnl_dump_filter(&rth, store_nlmsg, &linfo);
482 480
483 if (filter_dev) { 481 if (filter_dev) {
484 filter.ifindex = xll_name_to_index(filter_dev); 482 G_filter.ifindex = xll_name_to_index(filter_dev);
485 } 483 }
486 484
487 if (flush) { 485 if (flush) {
488 char flushb[4096-512]; 486 char flushb[4096-512];
489 487
490 filter.flushb = flushb; 488 G_filter.flushb = flushb;
491 filter.flushp = 0; 489 G_filter.flushp = 0;
492 filter.flushe = sizeof(flushb); 490 G_filter.flushe = sizeof(flushb);
493 filter.rth = &rth; 491 G_filter.rth = &rth;
494 492
495 for (;;) { 493 for (;;) {
496 xrtnl_wilddump_request(&rth, filter.family, RTM_GETADDR); 494 xrtnl_wilddump_request(&rth, G_filter.family, RTM_GETADDR);
497 filter.flushed = 0; 495 G_filter.flushed = 0;
498 xrtnl_dump_filter(&rth, print_addrinfo, NULL); 496 xrtnl_dump_filter(&rth, print_addrinfo, NULL);
499 if (filter.flushed == 0) { 497 if (G_filter.flushed == 0) {
500 return 0; 498 return 0;
501 } 499 }
502 if (flush_update() < 0) 500 if (flush_update() < 0) {
503 return 1; 501 return 1;
502 }
504 } 503 }
505 } 504 }
506 505
507 if (filter.family != AF_PACKET) { 506 if (G_filter.family != AF_PACKET) {
508 xrtnl_wilddump_request(&rth, filter.family, RTM_GETADDR); 507 xrtnl_wilddump_request(&rth, G_filter.family, RTM_GETADDR);
509 xrtnl_dump_filter(&rth, store_nlmsg, &ainfo); 508 xrtnl_dump_filter(&rth, store_nlmsg, &ainfo);
510 } 509 }
511 510
512 511
513 if (filter.family && filter.family != AF_PACKET) { 512 if (G_filter.family && G_filter.family != AF_PACKET) {
514 struct nlmsg_list **lp; 513 struct nlmsg_list **lp;
515 lp = &linfo; 514 lp = &linfo;
516 515
517 if (filter.oneline) 516 if (G_filter.oneline)
518 no_link = 1; 517 no_link = 1;
519 518
520 while ((l = *lp) != NULL) { 519 while ((l = *lp) != NULL) {
@@ -526,36 +525,38 @@ int ipaddr_list_or_flush(char **argv, int flush)
526 struct nlmsghdr *n = &a->h; 525 struct nlmsghdr *n = &a->h;
527 struct ifaddrmsg *ifa = NLMSG_DATA(n); 526 struct ifaddrmsg *ifa = NLMSG_DATA(n);
528 527
529 if (ifa->ifa_index != ifi->ifi_index || 528 if (ifa->ifa_index != ifi->ifi_index
530 (filter.family && filter.family != ifa->ifa_family)) 529 || (G_filter.family && G_filter.family != ifa->ifa_family)
530 ) {
531 continue; 531 continue;
532 if ((filter.scope ^ ifa->ifa_scope) & filter.scopemask) 532 }
533 if ((G_filter.scope ^ ifa->ifa_scope) & G_filter.scopemask)
533 continue; 534 continue;
534 if ((filter.flags ^ ifa->ifa_flags) & filter.flagmask) 535 if ((G_filter.flags ^ ifa->ifa_flags) & G_filter.flagmask)
535 continue; 536 continue;
536 if (filter.pfx.family || filter.label) { 537 if (G_filter.pfx.family || G_filter.label) {
537 struct rtattr *tb[IFA_MAX+1]; 538 struct rtattr *tb[IFA_MAX+1];
538 memset(tb, 0, sizeof(tb)); 539 memset(tb, 0, sizeof(tb));
539 parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n)); 540 parse_rtattr(tb, IFA_MAX, IFA_RTA(ifa), IFA_PAYLOAD(n));
540 if (!tb[IFA_LOCAL]) 541 if (!tb[IFA_LOCAL])
541 tb[IFA_LOCAL] = tb[IFA_ADDRESS]; 542 tb[IFA_LOCAL] = tb[IFA_ADDRESS];
542 543
543 if (filter.pfx.family && tb[IFA_LOCAL]) { 544 if (G_filter.pfx.family && tb[IFA_LOCAL]) {
544 inet_prefix dst; 545 inet_prefix dst;
545 memset(&dst, 0, sizeof(dst)); 546 memset(&dst, 0, sizeof(dst));
546 dst.family = ifa->ifa_family; 547 dst.family = ifa->ifa_family;
547 memcpy(&dst.data, RTA_DATA(tb[IFA_LOCAL]), RTA_PAYLOAD(tb[IFA_LOCAL])); 548 memcpy(&dst.data, RTA_DATA(tb[IFA_LOCAL]), RTA_PAYLOAD(tb[IFA_LOCAL]));
548 if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen)) 549 if (inet_addr_match(&dst, &G_filter.pfx, G_filter.pfx.bitlen))
549 continue; 550 continue;
550 } 551 }
551 if (filter.label) { 552 if (G_filter.label) {
552 SPRINT_BUF(b1); 553 SPRINT_BUF(b1);
553 const char *label; 554 const char *label;
554 if (tb[IFA_LABEL]) 555 if (tb[IFA_LABEL])
555 label = RTA_DATA(tb[IFA_LABEL]); 556 label = RTA_DATA(tb[IFA_LABEL]);
556 else 557 else
557 label = ll_idx_n2a(ifa->ifa_index, b1); 558 label = ll_idx_n2a(ifa->ifa_index, b1);
558 if (fnmatch(filter.label, label, 0) != 0) 559 if (fnmatch(G_filter.label, label, 0) != 0)
559 continue; 560 continue;
560 } 561 }
561 } 562 }
@@ -573,7 +574,7 @@ int ipaddr_list_or_flush(char **argv, int flush)
573 for (l = linfo; l; l = l->next) { 574 for (l = linfo; l; l = l->next) {
574 if (no_link || print_linkinfo(&l->h) == 0) { 575 if (no_link || print_linkinfo(&l->h) == 0) {
575 struct ifinfomsg *ifi = NLMSG_DATA(&l->h); 576 struct ifinfomsg *ifi = NLMSG_DATA(&l->h);
576 if (filter.family != AF_PACKET) 577 if (G_filter.family != AF_PACKET)
577 print_selected_addrinfo(ifi->ifi_index, ainfo); 578 print_selected_addrinfo(ifi->ifi_index, ainfo);
578 } 579 }
579 } 580 }
diff --git a/networking/libiproute/iproute.c b/networking/libiproute/iproute.c
index 67eb90b84..c4b3450dd 100644
--- a/networking/libiproute/iproute.c
+++ b/networking/libiproute/iproute.c
@@ -29,14 +29,15 @@ typedef struct filter_t {
29 int flushp; 29 int flushp;
30 int flushe; 30 int flushe;
31 struct rtnl_handle *rth; 31 struct rtnl_handle *rth;
32 int protocol, protocolmask; 32 //int protocol, protocolmask; - write-only fields?!
33 int scope, scopemask; 33 //int scope, scopemask; - unused
34 int type, typemask; 34 //int type; - read-only
35 int tos, tosmask; 35 //int typemask; - unused
36 //int tos, tosmask; - unused
36 int iif, iifmask; 37 int iif, iifmask;
37 int oif, oifmask; 38 int oif, oifmask;
38 int realm, realmmask; 39 //int realm, realmmask; - unused
39 inet_prefix rprefsrc; 40 //inet_prefix rprefsrc; - read-only
40 inet_prefix rvia; 41 inet_prefix rvia;
41 inet_prefix rdst; 42 inet_prefix rdst;
42 inet_prefix mdst; 43 inet_prefix mdst;
@@ -44,15 +45,15 @@ typedef struct filter_t {
44 inet_prefix msrc; 45 inet_prefix msrc;
45} filter_t; 46} filter_t;
46 47
47#define filter (*(filter_t*)&bb_common_bufsiz1) 48#define G_filter (*(filter_t*)&bb_common_bufsiz1)
48 49
49static int flush_update(void) 50static int flush_update(void)
50{ 51{
51 if (rtnl_send(filter.rth, filter.flushb, filter.flushp) < 0) { 52 if (rtnl_send(G_filter.rth, G_filter.flushb, G_filter.flushp) < 0) {
52 bb_perror_msg("failed to send flush request"); 53 bb_perror_msg("failed to send flush request");
53 return -1; 54 return -1;
54 } 55 }
55 filter.flushp = 0; 56 G_filter.flushp = 0;
56 return 0; 57 return 0;
57} 58}
58 59
@@ -95,7 +96,7 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
95 n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags); 96 n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
96 return 0; 97 return 0;
97 } 98 }
98 if (filter.flushb && n->nlmsg_type != RTM_NEWROUTE) 99 if (G_filter.flushb && n->nlmsg_type != RTM_NEWROUTE)
99 return 0; 100 return 0;
100 len -= NLMSG_LENGTH(sizeof(*r)); 101 len -= NLMSG_LENGTH(sizeof(*r));
101 if (len < 0) 102 if (len < 0)
@@ -107,8 +108,8 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
107 host_len = 32; 108 host_len = 32;
108 109
109 if (r->rtm_family == AF_INET6) { 110 if (r->rtm_family == AF_INET6) {
110 if (filter.tb) { 111 if (G_filter.tb) {
111 if (filter.tb < 0) { 112 if (G_filter.tb < 0) {
112 if (!(r->rtm_flags & RTM_F_CLONED)) { 113 if (!(r->rtm_flags & RTM_F_CLONED)) {
113 return 0; 114 return 0;
114 } 115 }
@@ -116,11 +117,11 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
116 if (r->rtm_flags & RTM_F_CLONED) { 117 if (r->rtm_flags & RTM_F_CLONED) {
117 return 0; 118 return 0;
118 } 119 }
119 if (filter.tb == RT_TABLE_LOCAL) { 120 if (G_filter.tb == RT_TABLE_LOCAL) {
120 if (r->rtm_type != RTN_LOCAL) { 121 if (r->rtm_type != RTN_LOCAL) {
121 return 0; 122 return 0;
122 } 123 }
123 } else if (filter.tb == RT_TABLE_MAIN) { 124 } else if (G_filter.tb == RT_TABLE_MAIN) {
124 if (r->rtm_type == RTN_LOCAL) { 125 if (r->rtm_type == RTN_LOCAL) {
125 return 0; 126 return 0;
126 } 127 }
@@ -130,72 +131,82 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
130 } 131 }
131 } 132 }
132 } else { 133 } else {
133 if (filter.tb > 0 && filter.tb != r->rtm_table) { 134 if (G_filter.tb > 0 && G_filter.tb != r->rtm_table) {
134 return 0; 135 return 0;
135 } 136 }
136 } 137 }
137 if (filter.rdst.family && 138 if (G_filter.rdst.family
138 (r->rtm_family != filter.rdst.family || filter.rdst.bitlen > r->rtm_dst_len)) { 139 && (r->rtm_family != G_filter.rdst.family || G_filter.rdst.bitlen > r->rtm_dst_len)
140 ) {
139 return 0; 141 return 0;
140 } 142 }
141 if (filter.mdst.family && 143 if (G_filter.mdst.family
142 (r->rtm_family != filter.mdst.family || 144 && (r->rtm_family != G_filter.mdst.family
143 (filter.mdst.bitlen >= 0 && filter.mdst.bitlen < r->rtm_dst_len))) { 145 || (G_filter.mdst.bitlen >= 0 && G_filter.mdst.bitlen < r->rtm_dst_len)
146 )
147 ) {
144 return 0; 148 return 0;
145 } 149 }
146 if (filter.rsrc.family && 150 if (G_filter.rsrc.family
147 (r->rtm_family != filter.rsrc.family || filter.rsrc.bitlen > r->rtm_src_len)) { 151 && (r->rtm_family != G_filter.rsrc.family || G_filter.rsrc.bitlen > r->rtm_src_len)
152 ) {
148 return 0; 153 return 0;
149 } 154 }
150 if (filter.msrc.family && 155 if (G_filter.msrc.family
151 (r->rtm_family != filter.msrc.family || 156 && (r->rtm_family != G_filter.msrc.family
152 (filter.msrc.bitlen >= 0 && filter.msrc.bitlen < r->rtm_src_len))) { 157 || (G_filter.msrc.bitlen >= 0 && G_filter.msrc.bitlen < r->rtm_src_len)
158 )
159 ) {
153 return 0; 160 return 0;
154 } 161 }
155 162
156 memset(tb, 0, sizeof(tb)); 163 memset(tb, 0, sizeof(tb));
157 parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len); 164 parse_rtattr(tb, RTA_MAX, RTM_RTA(r), len);
158 165
159 if (filter.rdst.family && inet_addr_match(&dst, &filter.rdst, filter.rdst.bitlen)) 166 if (G_filter.rdst.family && inet_addr_match(&dst, &G_filter.rdst, G_filter.rdst.bitlen))
160 return 0; 167 return 0;
161 if (filter.mdst.family && filter.mdst.bitlen >= 0 && 168 if (G_filter.mdst.family && G_filter.mdst.bitlen >= 0 &&
162 inet_addr_match(&dst, &filter.mdst, r->rtm_dst_len)) 169 inet_addr_match(&dst, &G_filter.mdst, r->rtm_dst_len))
163 return 0; 170 return 0;
164 171
165 if (filter.rsrc.family && inet_addr_match(&src, &filter.rsrc, filter.rsrc.bitlen)) 172 if (G_filter.rsrc.family && inet_addr_match(&src, &G_filter.rsrc, G_filter.rsrc.bitlen))
166 return 0; 173 return 0;
167 if (filter.msrc.family && filter.msrc.bitlen >= 0 && 174 if (G_filter.msrc.family && G_filter.msrc.bitlen >= 0
168 inet_addr_match(&src, &filter.msrc, r->rtm_src_len)) 175 && inet_addr_match(&src, &G_filter.msrc, r->rtm_src_len)
176 ) {
169 return 0; 177 return 0;
178 }
170 179
171 if (filter.flushb && 180 if (G_filter.flushb
172 r->rtm_family == AF_INET6 && 181 && r->rtm_family == AF_INET6
173 r->rtm_dst_len == 0 && 182 && r->rtm_dst_len == 0
174 r->rtm_type == RTN_UNREACHABLE && 183 && r->rtm_type == RTN_UNREACHABLE
175 tb[RTA_PRIORITY] && 184 && tb[RTA_PRIORITY]
176 *(int*)RTA_DATA(tb[RTA_PRIORITY]) == -1) 185 && *(int*)RTA_DATA(tb[RTA_PRIORITY]) == -1
186 ) {
177 return 0; 187 return 0;
188 }
178 189
179 if (filter.flushb) { 190 if (G_filter.flushb) {
180 struct nlmsghdr *fn; 191 struct nlmsghdr *fn;
181 if (NLMSG_ALIGN(filter.flushp) + n->nlmsg_len > filter.flushe) { 192 if (NLMSG_ALIGN(G_filter.flushp) + n->nlmsg_len > G_filter.flushe) {
182 if (flush_update()) 193 if (flush_update())
183 bb_error_msg_and_die("flush"); 194 bb_error_msg_and_die("flush");
184 } 195 }
185 fn = (struct nlmsghdr*)(filter.flushb + NLMSG_ALIGN(filter.flushp)); 196 fn = (struct nlmsghdr*)(G_filter.flushb + NLMSG_ALIGN(G_filter.flushp));
186 memcpy(fn, n, n->nlmsg_len); 197 memcpy(fn, n, n->nlmsg_len);
187 fn->nlmsg_type = RTM_DELROUTE; 198 fn->nlmsg_type = RTM_DELROUTE;
188 fn->nlmsg_flags = NLM_F_REQUEST; 199 fn->nlmsg_flags = NLM_F_REQUEST;
189 fn->nlmsg_seq = ++filter.rth->seq; 200 fn->nlmsg_seq = ++G_filter.rth->seq;
190 filter.flushp = (((char*)fn) + n->nlmsg_len) - filter.flushb; 201 G_filter.flushp = (((char*)fn) + n->nlmsg_len) - G_filter.flushb;
191 filter.flushed = 1; 202 G_filter.flushed = 1;
192 return 0; 203 return 0;
193 } 204 }
194 205
195 if (n->nlmsg_type == RTM_DELROUTE) { 206 if (n->nlmsg_type == RTM_DELROUTE) {
196 printf("Deleted "); 207 printf("Deleted ");
197 } 208 }
198 if (r->rtm_type != RTN_UNICAST && !filter.type) { 209 if (r->rtm_type != RTN_UNICAST /* && !G_filter.type - always 0 */) {
199 printf("%s ", rtnl_rtntype_n2a(r->rtm_type, b1)); 210 printf("%s ", rtnl_rtntype_n2a(r->rtm_type, b1));
200 } 211 }
201 212
@@ -235,17 +246,17 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
235 } else if (r->rtm_src_len) { 246 } else if (r->rtm_src_len) {
236 printf("from 0/%u ", r->rtm_src_len); 247 printf("from 0/%u ", r->rtm_src_len);
237 } 248 }
238 if (tb[RTA_GATEWAY] && filter.rvia.bitlen != host_len) { 249 if (tb[RTA_GATEWAY] && G_filter.rvia.bitlen != host_len) {
239 printf("via %s ", format_host(r->rtm_family, 250 printf("via %s ", format_host(r->rtm_family,
240 RTA_PAYLOAD(tb[RTA_GATEWAY]), 251 RTA_PAYLOAD(tb[RTA_GATEWAY]),
241 RTA_DATA(tb[RTA_GATEWAY]), 252 RTA_DATA(tb[RTA_GATEWAY]),
242 abuf, sizeof(abuf))); 253 abuf, sizeof(abuf)));
243 } 254 }
244 if (tb[RTA_OIF] && filter.oifmask != -1) { 255 if (tb[RTA_OIF] && G_filter.oifmask != -1) {
245 printf("dev %s ", ll_index_to_name(*(int*)RTA_DATA(tb[RTA_OIF]))); 256 printf("dev %s ", ll_index_to_name(*(int*)RTA_DATA(tb[RTA_OIF])));
246 } 257 }
247 258
248 if (tb[RTA_PREFSRC] && filter.rprefsrc.bitlen != host_len) { 259 if (tb[RTA_PREFSRC] && /*G_filter.rprefsrc.bitlen - always 0*/ 0 != host_len) {
249 /* Do not use format_host(). It is our local addr 260 /* Do not use format_host(). It is our local addr
250 and symbolic name will not be useful. 261 and symbolic name will not be useful.
251 */ 262 */
@@ -276,7 +287,7 @@ static int FAST_FUNC print_route(const struct sockaddr_nl *who UNUSED_PARAM,
276 printf(" error %d", ci->rta_error); 287 printf(" error %d", ci->rta_error);
277 } 288 }
278 } 289 }
279 if (tb[RTA_IIF] && filter.iifmask != -1) { 290 if (tb[RTA_IIF] && G_filter.iifmask != -1) {
280 printf(" iif %s", ll_index_to_name(*(int*)RTA_DATA(tb[RTA_IIF]))); 291 printf(" iif %s", ll_index_to_name(*(int*)RTA_DATA(tb[RTA_IIF])));
281 } 292 }
282 bb_putchar('\n'); 293 bb_putchar('\n');
@@ -441,10 +452,13 @@ IF_FEATURE_IP_RULE(ARG_table,)
441 452
442 if (req.r.rtm_type == RTN_LOCAL || req.r.rtm_type == RTN_NAT) 453 if (req.r.rtm_type == RTN_LOCAL || req.r.rtm_type == RTN_NAT)
443 req.r.rtm_scope = RT_SCOPE_HOST; 454 req.r.rtm_scope = RT_SCOPE_HOST;
444 else if (req.r.rtm_type == RTN_BROADCAST || 455 else
445 req.r.rtm_type == RTN_MULTICAST || 456 if (req.r.rtm_type == RTN_BROADCAST
446 req.r.rtm_type == RTN_ANYCAST) 457 || req.r.rtm_type == RTN_MULTICAST
458 || req.r.rtm_type == RTN_ANYCAST
459 ) {
447 req.r.rtm_scope = RT_SCOPE_LINK; 460 req.r.rtm_scope = RT_SCOPE_LINK;
461 }
448 else if (req.r.rtm_type == RTN_UNICAST || req.r.rtm_type == RTN_UNSPEC) { 462 else if (req.r.rtm_type == RTN_UNICAST || req.r.rtm_type == RTN_UNSPEC) {
449 if (cmd == RTM_DELROUTE) 463 if (cmd == RTM_DELROUTE)
450 req.r.rtm_scope = RT_SCOPE_NOWHERE; 464 req.r.rtm_scope = RT_SCOPE_NOWHERE;
@@ -507,9 +521,9 @@ static void iproute_flush_cache(void)
507 521
508static void iproute_reset_filter(void) 522static void iproute_reset_filter(void)
509{ 523{
510 memset(&filter, 0, sizeof(filter)); 524 memset(&G_filter, 0, sizeof(G_filter));
511 filter.mdst.bitlen = -1; 525 G_filter.mdst.bitlen = -1;
512 filter.msrc.bitlen = -1; 526 G_filter.msrc.bitlen = -1;
513} 527}
514 528
515/* Return value becomes exitcode. It's okay to not return at all */ 529/* Return value becomes exitcode. It's okay to not return at all */
@@ -545,7 +559,7 @@ static int iproute_list_or_flush(char **argv, int flush)
545 int arg, parm; 559 int arg, parm;
546 560
547 iproute_reset_filter(); 561 iproute_reset_filter();
548 filter.tb = RT_TABLE_MAIN; 562 G_filter.tb = RT_TABLE_MAIN;
549 563
550 if (flush && !*argv) 564 if (flush && !*argv)
551 bb_error_msg_and_die(bb_msg_requires_arg, "\"ip route flush\""); 565 bb_error_msg_and_die(bb_msg_requires_arg, "\"ip route flush\"");
@@ -555,14 +569,14 @@ static int iproute_list_or_flush(char **argv, int flush)
555 if (arg == KW_proto) { 569 if (arg == KW_proto) {
556 uint32_t prot = 0; 570 uint32_t prot = 0;
557 NEXT_ARG(); 571 NEXT_ARG();
558 filter.protocolmask = -1; 572 //G_filter.protocolmask = -1;
559 if (rtnl_rtprot_a2n(&prot, *argv)) { 573 if (rtnl_rtprot_a2n(&prot, *argv)) {
560 if (index_in_strings(keywords, *argv) != KW_all) 574 if (index_in_strings(keywords, *argv) != KW_all)
561 invarg(*argv, "protocol"); 575 invarg(*argv, "protocol");
562 prot = 0; 576 prot = 0;
563 filter.protocolmask = 0; 577 //G_filter.protocolmask = 0;
564 } 578 }
565 filter.protocol = prot; 579 //G_filter.protocol = prot;
566 } else if (arg == KW_dev || arg == KW_oif) { 580 } else if (arg == KW_dev || arg == KW_oif) {
567 NEXT_ARG(); 581 NEXT_ARG();
568 od = *argv; 582 od = *argv;
@@ -571,20 +585,20 @@ static int iproute_list_or_flush(char **argv, int flush)
571 id = *argv; 585 id = *argv;
572 } else if (arg == KW_via) { 586 } else if (arg == KW_via) {
573 NEXT_ARG(); 587 NEXT_ARG();
574 get_prefix(&filter.rvia, *argv, do_ipv6); 588 get_prefix(&G_filter.rvia, *argv, do_ipv6);
575 } else if (arg == KW_table) { /* table all/cache/main */ 589 } else if (arg == KW_table) { /* table all/cache/main */
576 NEXT_ARG(); 590 NEXT_ARG();
577 parm = index_in_substrings(keywords, *argv); 591 parm = index_in_substrings(keywords, *argv);
578 if (parm == KW_cache) 592 if (parm == KW_cache)
579 filter.tb = -1; 593 G_filter.tb = -1;
580 else if (parm == KW_all) 594 else if (parm == KW_all)
581 filter.tb = 0; 595 G_filter.tb = 0;
582 else if (parm != KW_main) { 596 else if (parm != KW_main) {
583#if ENABLE_FEATURE_IP_RULE 597#if ENABLE_FEATURE_IP_RULE
584 uint32_t tid; 598 uint32_t tid;
585 if (rtnl_rttable_a2n(&tid, *argv)) 599 if (rtnl_rttable_a2n(&tid, *argv))
586 invarg(*argv, "table"); 600 invarg(*argv, "table");
587 filter.tb = tid; 601 G_filter.tb = tid;
588#else 602#else
589 invarg(*argv, "table"); 603 invarg(*argv, "table");
590#endif 604#endif
@@ -592,21 +606,21 @@ static int iproute_list_or_flush(char **argv, int flush)
592 } else if (arg == KW_cache) { 606 } else if (arg == KW_cache) {
593 /* The command 'ip route flush cache' is used by OpenSWAN. 607 /* The command 'ip route flush cache' is used by OpenSWAN.
594 * Assuming it's a synonym for 'ip route flush table cache' */ 608 * Assuming it's a synonym for 'ip route flush table cache' */
595 filter.tb = -1; 609 G_filter.tb = -1;
596 } else if (arg == KW_from) { 610 } else if (arg == KW_from) {
597 NEXT_ARG(); 611 NEXT_ARG();
598 parm = index_in_substrings(keywords, *argv); 612 parm = index_in_substrings(keywords, *argv);
599 if (parm == KW_root) { 613 if (parm == KW_root) {
600 NEXT_ARG(); 614 NEXT_ARG();
601 get_prefix(&filter.rsrc, *argv, do_ipv6); 615 get_prefix(&G_filter.rsrc, *argv, do_ipv6);
602 } else if (parm == KW_match) { 616 } else if (parm == KW_match) {
603 NEXT_ARG(); 617 NEXT_ARG();
604 get_prefix(&filter.msrc, *argv, do_ipv6); 618 get_prefix(&G_filter.msrc, *argv, do_ipv6);
605 } else { 619 } else {
606 if (parm == KW_exact) 620 if (parm == KW_exact)
607 NEXT_ARG(); 621 NEXT_ARG();
608 get_prefix(&filter.msrc, *argv, do_ipv6); 622 get_prefix(&G_filter.msrc, *argv, do_ipv6);
609 filter.rsrc = filter.msrc; 623 G_filter.rsrc = G_filter.msrc;
610 } 624 }
611 } else { /* "to" is the default parameter */ 625 } else { /* "to" is the default parameter */
612 if (arg == KW_to) { 626 if (arg == KW_to) {
@@ -616,21 +630,21 @@ static int iproute_list_or_flush(char **argv, int flush)
616 /* parm = arg; - would be more plausible, but we reuse 'arg' here */ 630 /* parm = arg; - would be more plausible, but we reuse 'arg' here */
617 if (arg == KW_root) { 631 if (arg == KW_root) {
618 NEXT_ARG(); 632 NEXT_ARG();
619 get_prefix(&filter.rdst, *argv, do_ipv6); 633 get_prefix(&G_filter.rdst, *argv, do_ipv6);
620 } else if (arg == KW_match) { 634 } else if (arg == KW_match) {
621 NEXT_ARG(); 635 NEXT_ARG();
622 get_prefix(&filter.mdst, *argv, do_ipv6); 636 get_prefix(&G_filter.mdst, *argv, do_ipv6);
623 } else { /* "to exact" is the default */ 637 } else { /* "to exact" is the default */
624 if (arg == KW_exact) 638 if (arg == KW_exact)
625 NEXT_ARG(); 639 NEXT_ARG();
626 get_prefix(&filter.mdst, *argv, do_ipv6); 640 get_prefix(&G_filter.mdst, *argv, do_ipv6);
627 filter.rdst = filter.mdst; 641 G_filter.rdst = G_filter.mdst;
628 } 642 }
629 } 643 }
630 argv++; 644 argv++;
631 } 645 }
632 646
633 if (do_ipv6 == AF_UNSPEC && filter.tb) { 647 if (do_ipv6 == AF_UNSPEC && G_filter.tb) {
634 do_ipv6 = AF_INET; 648 do_ipv6 = AF_INET;
635 } 649 }
636 650
@@ -642,43 +656,43 @@ static int iproute_list_or_flush(char **argv, int flush)
642 656
643 if (id) { 657 if (id) {
644 idx = xll_name_to_index(id); 658 idx = xll_name_to_index(id);
645 filter.iif = idx; 659 G_filter.iif = idx;
646 filter.iifmask = -1; 660 G_filter.iifmask = -1;
647 } 661 }
648 if (od) { 662 if (od) {
649 idx = xll_name_to_index(od); 663 idx = xll_name_to_index(od);
650 filter.oif = idx; 664 G_filter.oif = idx;
651 filter.oifmask = -1; 665 G_filter.oifmask = -1;
652 } 666 }
653 } 667 }
654 668
655 if (flush) { 669 if (flush) {
656 char flushb[4096-512]; 670 char flushb[4096-512];
657 671
658 if (filter.tb == -1) { /* "flush table cache" */ 672 if (G_filter.tb == -1) { /* "flush table cache" */
659 if (do_ipv6 != AF_INET6) 673 if (do_ipv6 != AF_INET6)
660 iproute_flush_cache(); 674 iproute_flush_cache();
661 if (do_ipv6 == AF_INET) 675 if (do_ipv6 == AF_INET)
662 return 0; 676 return 0;
663 } 677 }
664 678
665 filter.flushb = flushb; 679 G_filter.flushb = flushb;
666 filter.flushp = 0; 680 G_filter.flushp = 0;
667 filter.flushe = sizeof(flushb); 681 G_filter.flushe = sizeof(flushb);
668 filter.rth = &rth; 682 G_filter.rth = &rth;
669 683
670 for (;;) { 684 for (;;) {
671 xrtnl_wilddump_request(&rth, do_ipv6, RTM_GETROUTE); 685 xrtnl_wilddump_request(&rth, do_ipv6, RTM_GETROUTE);
672 filter.flushed = 0; 686 G_filter.flushed = 0;
673 xrtnl_dump_filter(&rth, print_route, NULL); 687 xrtnl_dump_filter(&rth, print_route, NULL);
674 if (filter.flushed == 0) 688 if (G_filter.flushed == 0)
675 return 0; 689 return 0;
676 if (flush_update()) 690 if (flush_update())
677 return 1; 691 return 1;
678 } 692 }
679 } 693 }
680 694
681 if (filter.tb != -1) { 695 if (G_filter.tb != -1) {
682 xrtnl_wilddump_request(&rth, do_ipv6, RTM_GETROUTE); 696 xrtnl_wilddump_request(&rth, do_ipv6, RTM_GETROUTE);
683 } else if (rtnl_rtcache_request(&rth, do_ipv6) < 0) { 697 } else if (rtnl_rtcache_request(&rth, do_ipv6) < 0) {
684 bb_perror_msg_and_die("can't send dump request"); 698 bb_perror_msg_and_die("can't send dump request");
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-04 13:26:18 +0000