diff options
Diffstat (limited to 'package/arpd/patches/patch-arpd_c')
-rw-r--r-- | package/arpd/patches/patch-arpd_c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/package/arpd/patches/patch-arpd_c b/package/arpd/patches/patch-arpd_c new file mode 100644 index 000000000..5ac57ebeb --- /dev/null +++ b/package/arpd/patches/patch-arpd_c @@ -0,0 +1,116 @@ +$Id$ +--- arpd.orig/arpd.c 2003-02-09 05:20:40.000000000 +0100 ++++ arpd/arpd.c 2007-01-21 00:39:05.000000000 +0100 +@@ -70,7 +70,7 @@ static int arpd_sig; + static void + usage(void) + { +- fprintf(stderr, "Usage: arpd [-d] [-i interface] [net]\n"); ++ fprintf(stderr, "Usage: arpd [-d] [-i interface] [-a 'pcap_expr'] [{host|net|range} ...]\n"); + exit(1); + } + +@@ -182,7 +182,7 @@ arpd_expandips(int naddresses, char **ad + } + + static void +-arpd_init(char *dev, int naddresses, char **addresses) ++arpd_init(char *dev, char *and_pcap_exp, int naddresses, char **addresses) + { + struct bpf_program fcode; + char filter[1024], ebuf[PCAP_ERRBUF_SIZE], *dst; +@@ -214,9 +214,13 @@ arpd_init(char *dev, int naddresses, cha + errx(1, "bad interface configuration: not IP or Ethernet"); + arpd_ifent.intf_addr.addr_bits = IP_ADDR_BITS; + +- snprintf(filter, sizeof(filter), "arp %s%s%s and not ether src %s", ++ snprintf(filter, sizeof(filter), "arp %s%s%s and not ether src %s%s%s%s", + dst ? "and (" : "", dst ? dst : "", dst ? ")" : "", +- addr_ntoa(&arpd_ifent.intf_link_addr)); ++ addr_ntoa(&arpd_ifent.intf_link_addr), ++ and_pcap_exp ? " and (" : "", ++ and_pcap_exp ? and_pcap_exp : "", ++ and_pcap_exp ? ")" : "" ++ ); + + if ((arpd_pcap = pcap_open_live(dev, 128, 0, 500, ebuf)) == NULL) + errx(1, "pcap_open_live: %s", ebuf); +@@ -265,7 +269,7 @@ arpd_send(eth_t *eth, int op, + spa->addr_ip, tha->addr_eth, tpa->addr_ip); + + if (op == ARP_OP_REQUEST) { +- syslog(LOG_DEBUG, __FUNCTION__ ": who-has %s tell %s", ++ syslog(LOG_DEBUG, "%s: who-has %s tell %s", __FUNCTION__, + addr_ntoa(tpa), addr_ntoa(spa)); + } else if (op == ARP_OP_REPLY) { + syslog(LOG_INFO, "arp reply %s is-at %s", +@@ -282,7 +286,7 @@ arpd_lookup(struct addr *addr) + int error; + + if (addr_cmp(addr, &arpd_ifent.intf_addr) == 0) { +- syslog(LOG_DEBUG, __FUNCTION__ ": %s at %s", ++ syslog(LOG_DEBUG, "%s: %s at %s", __FUNCTION__, + addr_ntoa(addr), addr_ntoa(&arpd_ifent.intf_link_addr)); + return (0); + } +@@ -291,10 +295,10 @@ arpd_lookup(struct addr *addr) + error = arp_get(arpd_arp, &arpent); + + if (error == -1) { +- syslog(LOG_DEBUG, __FUNCTION__ ": no entry for %s", ++ syslog(LOG_DEBUG, "%s: no entry for %s", __FUNCTION__, + addr_ntoa(addr)); + } else { +- syslog(LOG_DEBUG, __FUNCTION__ ": %s at %s", ++ syslog(LOG_DEBUG, "%s: %s at %s", __FUNCTION__, + addr_ntoa(addr), addr_ntoa(&arpent.arp_ha)); + } + return (error); +@@ -423,7 +427,7 @@ arpd_recv_cb(u_char *u, const struct pca + if ((req = SPLAY_FIND(tree, &arpd_reqs, &tmp)) != NULL) { + addr_pack(&src.arp_ha, ADDR_TYPE_ETH, ETH_ADDR_BITS, + ethip->ar_sha, ETH_ADDR_LEN); +- syslog(LOG_DEBUG, __FUNCTION__ ": %s at %s", ++ syslog(LOG_DEBUG, "%s: %s at %s", __FUNCTION__, + addr_ntoa(&req->pa), addr_ntoa(&src.arp_ha)); + + /* This address is claimed */ +@@ -465,14 +469,14 @@ main(int argc, char *argv[]) + { + struct event recv_ev; + extern int (*event_sigcb)(void); +- char *dev; ++ char *dev, *and_pcap_exp; + int c, debug; + FILE *fp; + + dev = NULL; + debug = 0; + +- while ((c = getopt(argc, argv, "di:h?")) != -1) { ++ while ((c = getopt(argc, argv, "a:di:h?")) != -1) { + switch (c) { + case 'd': + debug = 1; +@@ -480,6 +484,9 @@ main(int argc, char *argv[]) + case 'i': + dev = optarg; + break; ++ case 'a': ++ and_pcap_exp = optarg; ++ break; + default: + usage(); + break; +@@ -489,9 +496,9 @@ main(int argc, char *argv[]) + argv += optind; + + if (argc == 0) +- arpd_init(dev, 0, NULL); ++ arpd_init(dev, and_pcap_exp, 0, NULL); + else +- arpd_init(dev, argc, argv); ++ arpd_init(dev, and_pcap_exp, argc, argv); + + if ((fp = fopen(PIDFILE, "w")) == NULL) + err(1, "fopen"); |