2 $Id: inet_gr.c,v 1.14 2009/07/08 00:24:03 ecki Exp $
5 1998-07-01 - Arnaldo Carvalho de Melo - GNU gettext instead of catgets
6 1999-01-01 - Bernd Eckenfels - fixed the routing cache printouts
7 1999-10-07 - Kurt Garloff <garloff@suse.de> - do host (instead of network) name
8 lookup for gws and hosts
14 #include <sys/types.h>
15 #include <sys/socket.h>
16 #include <netinet/in.h>
17 #include <arpa/inet.h>
18 #include <arpa/nameser.h>
19 /* #include <net/route.h> realy broken */
29 #include "net-support.h"
30 #include "pathnames.h"
32 #include "net-features.h"
34 extern struct aftype inet_aftype;
36 extern char *INET_sprintmask(struct sockaddr *sap, int numeric,
37 unsigned int netmask);
39 int rprint_fib(int ext, int numeric)
41 char buff[1024], iface[17], flags[64];
42 char gate_addr[128], net_addr[128];
44 int num, iflags, metric, refcnt, use, mss, window, irtt;
45 FILE *fp = fopen(_PATH_PROCNET_ROUTE, "r");
49 perror(_PATH_PROCNET_ROUTE);
50 printf(_("INET (IPv4) not configured in this system.\n"));
53 printf(_("Kernel IP routing table\n"));
56 printf(_("Destination Gateway Genmask "
57 "Flags Metric Ref Use Iface\n"));
59 printf(_("Destination Gateway Genmask "
60 "Flags MSS Window irtt Iface\n"));
62 printf(_("Destination Gateway Genmask "
63 "Flags Metric Ref Use Iface "
64 "MSS Window irtt\n"));
70 fmt = proc_gen_fmt(_PATH_PROCNET_ROUTE, 0, fp,
72 "Destination", "%127s",
83 /* "%15s %127s %127s %X %d %d %d %127s %d %d %d\n" */
88 while (fgets(buff, 1023, fp)) {
89 struct sockaddr snet_target, snet_gateway, snet_mask;
90 struct sockaddr_in *sin_netmask;
92 num = sscanf(buff, fmt,
93 iface, net_addr, gate_addr,
94 &iflags, &refcnt, &use, &metric, mask_addr,
95 &mss, &window, &irtt);
96 if (num < 10 || !(iflags & RTF_UP))
99 /* Fetch and resolve the target address. */
100 (void) inet_aftype.input(1, net_addr, &snet_target);
102 /* Fetch and resolve the gateway address. */
103 (void) inet_aftype.input(1, gate_addr, &snet_gateway);
105 /* Fetch and resolve the genmask. */
106 (void) inet_aftype.input(1, mask_addr, &snet_mask);
108 sin_netmask = (struct sockaddr_in *)&snet_mask;
109 strcpy(net_addr, INET_sprintmask(&snet_target,
110 (numeric | 0x8000 | (iflags & RTF_HOST? 0x4000: 0)),
111 sin_netmask->sin_addr.s_addr));
114 strcpy(gate_addr, inet_aftype.sprint(&snet_gateway, numeric | 0x4000));
115 gate_addr[15] = '\0';
117 strcpy(mask_addr, inet_aftype.sprint(&snet_mask, 1));
118 mask_addr[15] = '\0';
120 /* Decode the flags. */
124 if (iflags & RTF_GATEWAY)
127 if (iflags & RTF_REJECT)
130 if (iflags & RTF_HOST)
132 if (iflags & RTF_REINSTATE)
134 if (iflags & RTF_DYNAMIC)
136 if (iflags & RTF_MODIFIED)
138 if (iflags & RTF_DEFAULT)
140 if (iflags & RTF_ALLONLINK)
142 if (iflags & RTF_ADDRCONF)
144 if (iflags & RTF_NONEXTHOP)
146 if (iflags & RTF_EXPIRES)
148 if (iflags & RTF_CACHE)
150 if (iflags & RTF_FLOW)
152 if (iflags & RTF_POLICY)
154 if (iflags & RTF_LOCAL)
156 if (iflags & RTF_MTU)
158 if (iflags & RTF_WINDOW)
160 if (iflags & RTF_IRTT)
162 if (iflags & RTF_NOTCACHED) /* 2.0.36 */
165 /* Print the info. */
168 if (iflags & RTF_REJECT)
169 printf("%-15s - %-15s %-5s %-6d - %7d -\n",
170 net_addr, mask_addr, flags, metric, use);
173 printf("%-15s %-15s %-15s %-5s %-6d %-2d %7d %s\n",
174 net_addr, gate_addr, mask_addr, flags,
175 metric, refcnt, use, iface);
179 if (iflags & RTF_REJECT)
180 printf("%-15s - %-15s %-5s - - - -\n",
181 net_addr, mask_addr, flags);
184 printf("%-15s %-15s %-15s %-5s %5d %-5d %6d %s\n",
185 net_addr, gate_addr, mask_addr, flags,
186 mss, window, irtt, iface);
190 if (iflags & RTF_REJECT)
191 printf("%-15s - %-15s %-5s %-6d - %7d - - - -\n",
192 net_addr, mask_addr, flags, metric, use);
195 printf("%-15s %-15s %-15s %-5s %-6d %-3d %6d %-6.6s %-5d %-6d %d\n",
196 net_addr, gate_addr, mask_addr, flags,
197 metric, refcnt, use, iface, mss, window, irtt);
206 int rprint_cache(int ext, int numeric)
208 char buff[1024], iface[17], flags[64];
209 char gate_addr[128], dest_addr[128], specdst[128];
211 struct sockaddr snet;
213 int num, format, metric, refcnt, use, mss, window, irtt, hh, hhref, hhuptod, arp, tos;
216 FILE *fp = fopen(_PATH_PROCNET_RTCACHE, "r");
219 perror(_PATH_PROCNET_RTCACHE);
220 printf(_("INET (IPv4) not configured in this system.\n"));
224 /* Okay, first thing we need to know is the format of the rt_cache.
225 * I am aware of two possible layouts:
227 * "Iface\tDestination\tGateway \tFlags\t\tRefCnt\tUse\tMetric\tSource\t\tMTU\tWindow\tIRTT\tTOS\tHHRef\tHHUptod\tSpecDst"
228 * "%s\t%08lX\t%08lX\t%8X\t%d\t%u\t%d\t%08lX\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X"
231 * "Iface\tDestination\tGateway \tFlags\tRefCnt\tUse\tMetric\tSource\t\tMTU\tWindow\tIRTT\tHH\tARP"
232 * "%s\t%08lX\t%08lX\t%02X\t%d\t%u\t%d\t%08lX\t%d\t%lu\t%u\t%d\t%1d"
235 format = proc_guess_fmt(_PATH_PROCNET_RTCACHE, fp, "IRTT",1,"TOS",2,"HHRef",4,"HHUptod",8,"SpecDst",16,"HH",32,"ARP",64,NULL);
237 printf(_("Kernel IP routing cache\n"));
240 case -1: /* I/O Error */
241 perror(_PATH_PROCNET_RTCACHE);
244 case 63: /* 2.2.0 Format */
247 case 97: /* 2.0.36 Format */
251 printf("ERROR: proc_guess_fmt(%s,... returned: %d\n",_PATH_PROCNET_RTCACHE, format);
258 printf(_("Source Destination Gateway "
259 "Flags Metric Ref Use Iface\n"));
261 printf(_("Source Destination Gateway "
262 "Flags MSS Window irtt Iface\n"));
266 printf(_("Source Destination Gateway "
267 "Flags Metric Ref Use Iface "
268 "MSS Window irtt HH Arp\n"));
270 fmt = proc_gen_fmt(_PATH_PROCNET_RTCACHE, 0, fp,
272 "Destination", "%127s",
285 /* "%15s %127s %127s %X %d %d %d %127s %d %d %d %d %d\n" */
290 printf(_("Source Destination Gateway "
291 "Flags Metric Ref Use Iface "
292 "MSS Window irtt TOS HHRef HHUptod SpecDst\n"));
293 fmt = proc_gen_fmt(_PATH_PROCNET_RTCACHE, 0, fp,
295 "Destination", "%127s",
310 /* "%15s %127s %127s %X %d %d %d %127s %d %d %d %d %d %127s\n" */
317 hh = 0; hhref = 0; hhuptod = 0;
319 while (fgets(buff, 1023, fp)) {
321 num = sscanf(buff, fmt,
322 iface, dest_addr, gate_addr,
323 &iflags, &refcnt, &use, &metric, src_addr,
324 &mss, &window, &irtt, &hh, &arp);
329 num = sscanf(buff, fmt,
330 iface, dest_addr, gate_addr,
331 &iflags, &refcnt, &use, &metric, src_addr,
332 &mss, &window, &irtt, &tos, &hhref, &hhuptod, &specdst);
338 /* Fetch and resolve the target address. */
339 (void) inet_aftype.input(1, dest_addr, &snet);
340 strcpy(dest_addr, inet_aftype.sprint(&snet, numeric));
341 dest_addr[15] = '\0';
343 /* Fetch and resolve the gateway address. */
344 (void) inet_aftype.input(1, gate_addr, &snet);
345 strcpy(gate_addr, inet_aftype.sprint(&snet, numeric));
346 gate_addr[15] = '\0';
348 /* Fetch and resolve the source. */
349 (void) inet_aftype.input(1, src_addr, &snet);
350 strcpy(src_addr, inet_aftype.sprint(&snet, numeric));
353 /* Fetch and resolve the SpecDst addrerss. */
354 (void) inet_aftype.input(1, specdst, &snet);
355 strcpy(specdst, inet_aftype.sprint(&snet, numeric));
358 /* Decode the flags. */
363 if (iflags & RTF_HOST)
366 if (iflags & RTF_GATEWAY)
369 if (iflags & RTF_REJECT)
372 if (iflags & RTF_REINSTATE)
374 if (iflags & RTF_DYNAMIC)
376 if (iflags & RTF_MODIFIED)
379 /* possible collision with 2.0 flags U and H */
381 if (iflags & RTCF_DEAD)
383 if (iflags & RTCF_ONLINK)
386 if (iflags & RTCF_NOTIFY)
388 if (iflags & RTCF_DIRECTDST)
390 if (iflags & RTCF_TPROXY)
392 if (iflags & RTCF_FAST)
394 if (iflags & RTCF_MASQ)
396 if (iflags & RTCF_SNAT)
398 if (iflags & RTCF_DOREDIRECT)
400 if (iflags & RTCF_DIRECTSRC)
402 if (iflags & RTCF_DNAT)
404 if (iflags & RTCF_BROADCAST)
406 if (iflags & RTCF_MULTICAST)
408 if (iflags & RTCF_REJECT)
410 if (iflags & RTCF_LOCAL)
412 /* Print the info. */
414 printf("%-15s %-15s %-15s %-5s %-6d %-2d %7d %s\n",
415 src_addr, dest_addr, gate_addr, flags,
416 metric, refcnt, use, iface);
419 printf("%-15s %-15s %-15s %-5s %5d %-5d %6d %s\n",
420 src_addr, dest_addr, gate_addr, flags,
421 mss, window, irtt, iface);
425 printf("%-15s %-15s %-15s %-5s %-6d %-3d %6d %-6.6s %-5d %-6d %-5d %-3d %d\n",
426 src_addr, dest_addr, gate_addr, flags,
427 metric, refcnt, use, iface, mss, window, irtt, hh, arp);
432 printf("%-15s %-15s %-15s %-5s %-6d %-3d %6d %-6.6s %-5d %-6d %-5d %-3d %-3d %-3d %15s\n",
433 src_addr, dest_addr, gate_addr, flags,
434 metric, refcnt, use, iface, mss, window, irtt, tos, hhref, hhuptod, specdst);
444 int INET_rprint(int options)
446 int ext = options & FLAG_EXT;
447 int numeric = options & (FLAG_NUM_HOST | FLAG_SYM);
450 if (options & FLAG_FIB)
451 if ((rc = rprint_fib(ext, numeric)))
453 if (options & FLAG_CACHE)
454 rc = rprint_cache(ext, numeric);
459 #endif /* HAVE_AFINET */