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-rw-r--r--networking/libiproute/ipaddress.c177
1 files changed, 78 insertions, 99 deletions
diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index 8a5edb968..601b34816 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -442,16 +442,14 @@ int ipaddr_list_or_flush(char **argv, int flush)
442 } 442 }
443 443
444 while (*argv) { 444 while (*argv) {
445 const int option_num = index_in_strings(option, *argv); 445 const smalluint key = index_in_strings(option, *argv);
446 switch (option_num) { 446 if (key == 0) { /* to */
447 case 0: /* to */
448 NEXT_ARG(); 447 NEXT_ARG();
449 get_prefix(&G_filter.pfx, *argv, G_filter.family); 448 get_prefix(&G_filter.pfx, *argv, G_filter.family);
450 if (G_filter.family == AF_UNSPEC) { 449 if (G_filter.family == AF_UNSPEC) {
451 G_filter.family = G_filter.pfx.family; 450 G_filter.family = G_filter.pfx.family;
452 } 451 }
453 break; 452 } else if (key == 1) { /* scope */
454 case 1: { /* scope */
455 uint32_t scope = 0; 453 uint32_t scope = 0;
456 NEXT_ARG(); 454 NEXT_ARG();
457 G_filter.scopemask = -1; 455 G_filter.scopemask = -1;
@@ -463,22 +461,17 @@ int ipaddr_list_or_flush(char **argv, int flush)
463 G_filter.scopemask = 0; 461 G_filter.scopemask = 0;
464 } 462 }
465 G_filter.scope = scope; 463 G_filter.scope = scope;
466 break; 464 } else if (key == 2) { /* up */
467 }
468 case 2: /* up */
469 G_filter.up = 1; 465 G_filter.up = 1;
470 break; 466 } else if (key == 3) { /* label */
471 case 3: /* label */
472 NEXT_ARG(); 467 NEXT_ARG();
473 G_filter.label = *argv; 468 G_filter.label = *argv;
474 break; 469 } else {
475 case 4: /* dev */ 470 if (key == 4) /* dev */
476 NEXT_ARG(); 471 NEXT_ARG();
477 default: 472 if (filter_dev)
478 if (filter_dev) { 473 duparg2("dev", *argv);
479 duparg2("dev", *argv); 474 filter_dev = *argv;
480 }
481 filter_dev = *argv;
482 } 475 }
483 argv++; 476 argv++;
484 } 477 }
@@ -631,99 +624,85 @@ static int ipaddr_modify(int cmd, char **argv)
631 req.ifa.ifa_family = preferred_family; 624 req.ifa.ifa_family = preferred_family;
632 625
633 while (*argv) { 626 while (*argv) {
634 const int option_num = index_in_strings(option, *argv); 627 const smalluint arg = index_in_strings(option, *argv);
635 switch (option_num) { 628 if (arg <= 1) { /* peer, remote */
636 case 0: /* peer */ 629 NEXT_ARG();
637 case 1: /* remote */
638 NEXT_ARG();
639 630
640 if (peer_len) { 631 if (peer_len) {
641 duparg("peer", *argv); 632 duparg("peer", *argv);
642 }
643 get_prefix(&peer, *argv, req.ifa.ifa_family);
644 peer_len = peer.bytelen;
645 if (req.ifa.ifa_family == AF_UNSPEC) {
646 req.ifa.ifa_family = peer.family;
647 }
648 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
649 req.ifa.ifa_prefixlen = peer.bitlen;
650 break;
651 case 2: /* broadcast */
652 case 3: /* brd */
653 {
654 inet_prefix addr;
655 NEXT_ARG();
656 if (brd_len) {
657 duparg("broadcast", *argv);
658 }
659 if (LONE_CHAR(*argv, '+')) {
660 brd_len = -1;
661 } else if (LONE_DASH(*argv)) {
662 brd_len = -2;
663 } else {
664 get_addr(&addr, *argv, req.ifa.ifa_family);
665 if (req.ifa.ifa_family == AF_UNSPEC)
666 req.ifa.ifa_family = addr.family;
667 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
668 brd_len = addr.bytelen;
669 }
670 break;
671 } 633 }
672 case 4: /* anycast */ 634 get_prefix(&peer, *argv, req.ifa.ifa_family);
673 { 635 peer_len = peer.bytelen;
674 inet_prefix addr; 636 if (req.ifa.ifa_family == AF_UNSPEC) {
675 NEXT_ARG(); 637 req.ifa.ifa_family = peer.family;
676 if (any_len) { 638 }
677 duparg("anycast", *argv); 639 addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
678 } 640 req.ifa.ifa_prefixlen = peer.bitlen;
641 } else if (arg <= 3) { /* broadcast, brd */
642 inet_prefix addr;
643 NEXT_ARG();
644 if (brd_len) {
645 duparg("broadcast", *argv);
646 }
647 if (LONE_CHAR(*argv, '+')) {
648 brd_len = -1;
649 } else if (LONE_DASH(*argv)) {
650 brd_len = -2;
651 } else {
679 get_addr(&addr, *argv, req.ifa.ifa_family); 652 get_addr(&addr, *argv, req.ifa.ifa_family);
680 if (req.ifa.ifa_family == AF_UNSPEC) { 653 if (req.ifa.ifa_family == AF_UNSPEC)
681 req.ifa.ifa_family = addr.family; 654 req.ifa.ifa_family = addr.family;
682 } 655 addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
683 addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen); 656 brd_len = addr.bytelen;
684 any_len = addr.bytelen;
685 break;
686 } 657 }
687 case 5: /* scope */ 658 } else if (arg == 4) { /* anycast */
688 { 659 inet_prefix addr;
689 uint32_t scope = 0; 660 NEXT_ARG();
690 NEXT_ARG(); 661 if (any_len) {
691 if (rtnl_rtscope_a2n(&scope, *argv)) { 662 duparg("anycast", *argv);
692 invarg(*argv, "scope");
693 }
694 req.ifa.ifa_scope = scope;
695 scoped = 1;
696 break;
697 } 663 }
698 case 6: /* dev */ 664 get_addr(&addr, *argv, req.ifa.ifa_family);
699 NEXT_ARG(); 665 if (req.ifa.ifa_family == AF_UNSPEC) {
700 d = *argv; 666 req.ifa.ifa_family = addr.family;
701 break; 667 }
702 case 7: /* label */ 668 addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
703 NEXT_ARG(); 669 any_len = addr.bytelen;
704 l = *argv; 670 } else if (arg == 5) { /* scope */
705 addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1); 671 uint32_t scope = 0;
706 break; 672 NEXT_ARG();
707 case 8: /* local */ 673 if (rtnl_rtscope_a2n(&scope, *argv)) {
674 invarg(*argv, "scope");
675 }
676 req.ifa.ifa_scope = scope;
677 scoped = 1;
678 } else if (arg == 6) { /* dev */
679 NEXT_ARG();
680 d = *argv;
681 } else if (arg == 7) { /* label */
682 NEXT_ARG();
683 l = *argv;
684 addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
685 } else {
686 if (arg == 8) /* local */
708 NEXT_ARG(); 687 NEXT_ARG();
709 default: 688 if (local_len) {
710 if (local_len) { 689 duparg2("local", *argv);
711 duparg2("local", *argv); 690 }
712 } 691 get_prefix(&lcl, *argv, req.ifa.ifa_family);
713 get_prefix(&lcl, *argv, req.ifa.ifa_family); 692 if (req.ifa.ifa_family == AF_UNSPEC) {
714 if (req.ifa.ifa_family == AF_UNSPEC) { 693 req.ifa.ifa_family = lcl.family;
715 req.ifa.ifa_family = lcl.family; 694 }
716 } 695 addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
717 addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen); 696 local_len = lcl.bytelen;
718 local_len = lcl.bytelen;
719 } 697 }
720 argv++; 698 argv++;
721 } 699 }
722 700
723 if (d == NULL) { 701 // d cannot be null here, NEXT_ARG() of "dev" ensures that
724 bb_error_msg(bb_msg_requires_arg, "\"dev\""); 702 //if (d == NULL) {
725 return -1; 703 // bb_error_msg(bb_msg_requires_arg, "\"dev\"");
726 } 704 // return -1;
705 //}
727 if (l && strncmp(d, l, strlen(d)) != 0) { 706 if (l && strncmp(d, l, strlen(d)) != 0) {
728 bb_error_msg_and_die("\"dev\" (%s) must match \"label\" (%s)", d, l); 707 bb_error_msg_and_die("\"dev\" (%s) must match \"label\" (%s)", d, l);
729 } 708 }
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