Use nd_ types, add EXTRACT_ calls.

[tcpdump] / print-rip.c

diff --git a/print-rip.c b/print-rip.c
index eebb3ff04025e11805a1a8486080c8627cce21ef..9e72bf6ee06aaa2d925899501fdc6dce940e311b 100644 (file)
--- a/print-rip.c
+++ b/print-rip.c
@@ -21,6 +21,8 @@
 
 /* \summary: Routing Information Protocol (RIP) printer */
 
 
 /* \summary: Routing Information Protocol (RIP) printer */
 

+/* specification: RFC 1058, RFC 2453 */
+

 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif


@@ -38,9 +40,9 @@
 static const char tstr[] = "[|rip]";
 
 struct rip {
 static const char tstr[] = "[|rip]";
 
 struct rip {

-       uint8_t rip_cmd;                /* request/response */
-       uint8_t rip_vers;               /* protocol version # */
-       uint8_t unused[2];              /* unused */
+       nd_uint8_t rip_cmd;             /* request/response */
+       nd_uint8_t rip_vers;            /* protocol version # */
+       nd_byte    unused[2];           /* unused */

 };
 
 #define        RIPCMD_REQUEST          1       /* want info */
 };
 
 #define        RIPCMD_REQUEST          1       /* want info */


@@ -85,12 +87,12 @@ static const struct tok rip_cmd_values[] = {
  */
 
 struct rip_netinfo {
  */
 
 struct rip_netinfo {

-       uint16_t rip_family;
-       uint16_t rip_tag;
-       uint32_t rip_dest;
-       uint32_t rip_dest_mask;
-       uint32_t rip_router;
-       uint32_t rip_metric;            /* cost of route */
+       nd_uint16_t rip_family;
+       nd_uint16_t rip_tag;
+       nd_uint32_t rip_dest;
+       nd_uint32_t rip_dest_mask;
+       nd_uint32_t rip_router;
+       nd_uint32_t rip_metric;         /* cost of route */

 };
 
 static void
 };
 
 static void


@@ -100,15 +102,15 @@ rip_entry_print_v1(netdissect_options *ndo,
        u_short family;
 
        /* RFC 1058 */
        u_short family;
 
        /* RFC 1058 */

-       family = EXTRACT_BE_U_2(&ni->rip_family);
+       family = EXTRACT_BE_U_2(ni->rip_family);

        if (family != BSD_AFNUM_INET && family != 0) {
                ND_PRINT((ndo, "\n\t AFI %s, ", tok2str(bsd_af_values, "Unknown (%u)", family)));
                print_unknown_data(ndo, (const uint8_t *)&ni->rip_family, "\n\t  ", RIP_ROUTELEN);
                return;
        }
        if (family != BSD_AFNUM_INET && family != 0) {
                ND_PRINT((ndo, "\n\t AFI %s, ", tok2str(bsd_af_values, "Unknown (%u)", family)));
                print_unknown_data(ndo, (const uint8_t *)&ni->rip_family, "\n\t  ", RIP_ROUTELEN);
                return;
        }

-       if (EXTRACT_BE_U_2(&ni->rip_tag) ||
-           EXTRACT_BE_U_4(&ni->rip_dest_mask) ||
-           EXTRACT_BE_U_4(&ni->rip_router)) {
+       if (EXTRACT_BE_U_2(ni->rip_tag) ||
+           EXTRACT_BE_U_4(ni->rip_dest_mask) ||
+           EXTRACT_BE_U_4(ni->rip_router)) {

                /* MBZ fields not zero */
                 print_unknown_data(ndo, (const uint8_t *)&ni->rip_family, "\n\t  ", RIP_ROUTELEN);
                return;
                /* MBZ fields not zero */
                 print_unknown_data(ndo, (const uint8_t *)&ni->rip_family, "\n\t  ", RIP_ROUTELEN);
                return;


@@ -116,12 +118,12 @@ rip_entry_print_v1(netdissect_options *ndo,
        if (family == 0) {
                ND_PRINT((ndo, "\n\t  AFI 0, %s, metric: %u",
                        ipaddr_string(ndo, &ni->rip_dest),
        if (family == 0) {
                ND_PRINT((ndo, "\n\t  AFI 0, %s, metric: %u",
                        ipaddr_string(ndo, &ni->rip_dest),

-                       EXTRACT_BE_U_4(&ni->rip_metric)));
+                       EXTRACT_BE_U_4(ni->rip_metric)));

                return;
        } /* BSD_AFNUM_INET */
        ND_PRINT((ndo, "\n\t  %s, metric: %u",
                ipaddr_string(ndo, &ni->rip_dest),
                return;
        } /* BSD_AFNUM_INET */
        ND_PRINT((ndo, "\n\t  %s, metric: %u",
                ipaddr_string(ndo, &ni->rip_dest),

-              EXTRACT_BE_U_4(&ni->rip_metric)));
+              EXTRACT_BE_U_4(ni->rip_metric)));

 }
 
 static unsigned
 }
 
 static unsigned


@@ -130,9 +132,9 @@ rip_entry_print_v2(netdissect_options *ndo,
 {
        u_short family;
 
 {
        u_short family;
 

-       family = EXTRACT_BE_U_2(&ni->rip_family);
+       family = EXTRACT_BE_U_2(ni->rip_family);

        if (family == 0xFFFF) { /* variable-sized authentication structures */
        if (family == 0xFFFF) { /* variable-sized authentication structures */

-               uint16_t auth_type = EXTRACT_BE_U_2(&ni->rip_tag);
+               uint16_t auth_type = EXTRACT_BE_U_2(ni->rip_tag);

                if (auth_type == 2) {
                        const u_char *p = (const u_char *)&ni->rip_dest;
                        u_int i = 0;
                if (auth_type == 2) {
                        const u_char *p = (const u_char *)&ni->rip_dest;
                        u_int i = 0;


@@ -145,16 +147,16 @@ rip_entry_print_v2(netdissect_options *ndo,
                        ND_PRINT((ndo, " Packet Len %u,", EXTRACT_BE_U_2((const uint8_t *)ni + 4)));
                        ND_PRINT((ndo, " Key-ID %u,", EXTRACT_U_1((const uint8_t *)ni + 6)));
                        ND_PRINT((ndo, " Auth Data Len %u,", EXTRACT_U_1((const uint8_t *)ni + 7)));
                        ND_PRINT((ndo, " Packet Len %u,", EXTRACT_BE_U_2((const uint8_t *)ni + 4)));
                        ND_PRINT((ndo, " Key-ID %u,", EXTRACT_U_1((const uint8_t *)ni + 6)));
                        ND_PRINT((ndo, " Auth Data Len %u,", EXTRACT_U_1((const uint8_t *)ni + 7)));

-                       ND_PRINT((ndo, " SeqNo %u,", EXTRACT_BE_U_4(&ni->rip_dest_mask)));
-                       ND_PRINT((ndo, " MBZ %u,", EXTRACT_BE_U_4(&ni->rip_router)));
-                       ND_PRINT((ndo, " MBZ %u", EXTRACT_BE_U_4(&ni->rip_metric)));
+                       ND_PRINT((ndo, " SeqNo %u,", EXTRACT_BE_U_4(ni->rip_dest_mask)));
+                       ND_PRINT((ndo, " MBZ %u,", EXTRACT_BE_U_4(ni->rip_router)));
+                       ND_PRINT((ndo, " MBZ %u", EXTRACT_BE_U_4(ni->rip_metric)));

                } else if (auth_type == 1) {
                        ND_PRINT((ndo, "\n\t  Auth trailer:"));
                        print_unknown_data(ndo, (const uint8_t *)&ni->rip_dest, "\n\t  ", remaining);
                        return remaining; /* AT spans till the packet end */
                } else {
                        ND_PRINT((ndo, "\n\t  Unknown (%u) Authentication data:",
                } else if (auth_type == 1) {
                        ND_PRINT((ndo, "\n\t  Auth trailer:"));
                        print_unknown_data(ndo, (const uint8_t *)&ni->rip_dest, "\n\t  ", remaining);
                        return remaining; /* AT spans till the packet end */
                } else {
                        ND_PRINT((ndo, "\n\t  Unknown (%u) Authentication data:",

-                              EXTRACT_BE_U_2(&ni->rip_tag)));
+                              EXTRACT_BE_U_2(ni->rip_tag)));

                        print_unknown_data(ndo, (const uint8_t *)&ni->rip_dest, "\n\t  ", remaining);
                }
        } else if (family != BSD_AFNUM_INET && family != 0) {
                        print_unknown_data(ndo, (const uint8_t *)&ni->rip_dest, "\n\t  ", remaining);
                }
        } else if (family != BSD_AFNUM_INET && family != 0) {


@@ -164,10 +166,10 @@ rip_entry_print_v2(netdissect_options *ndo,
                ND_PRINT((ndo, "\n\t  AFI %s, %15s/%-2d, tag 0x%04x, metric: %u, next-hop: ",
                        tok2str(bsd_af_values, "%u", family),
                        ipaddr_string(ndo, &ni->rip_dest),
                ND_PRINT((ndo, "\n\t  AFI %s, %15s/%-2d, tag 0x%04x, metric: %u, next-hop: ",
                        tok2str(bsd_af_values, "%u", family),
                        ipaddr_string(ndo, &ni->rip_dest),

-                      mask2plen(EXTRACT_BE_U_4(&ni->rip_dest_mask)),
-                      EXTRACT_BE_U_2(&ni->rip_tag),
-                      EXTRACT_BE_U_4(&ni->rip_metric)));
-               if (EXTRACT_BE_U_4(&ni->rip_router))
+                      mask2plen(EXTRACT_BE_U_4(ni->rip_dest_mask)),
+                      EXTRACT_BE_U_2(ni->rip_tag),
+                      EXTRACT_BE_U_4(ni->rip_metric)));
+               if (EXTRACT_BE_U_4(ni->rip_router))

                        ND_PRINT((ndo, "%s", ipaddr_string(ndo, &ni->rip_router)));
                else
                        ND_PRINT((ndo, "self"));
                        ND_PRINT((ndo, "%s", ipaddr_string(ndo, &ni->rip_router)));
                else
                        ND_PRINT((ndo, "self"));


@@ -180,6 +182,7 @@ rip_print(netdissect_options *ndo,
           const u_char *dat, u_int length)
 {
        const struct rip *rp;
           const u_char *dat, u_int length)
 {
        const struct rip *rp;

+       uint8_t vers, cmd;

        const struct rip_netinfo *ni;
        u_int i, j;
 
        const struct rip_netinfo *ni;
        u_int i, j;
 


@@ -198,11 +201,12 @@ rip_print(netdissect_options *ndo,
 
        rp = (const struct rip *)dat;
 
 
        rp = (const struct rip *)dat;
 

+       vers = EXTRACT_U_1(rp->rip_vers);

        ND_PRINT((ndo, "%sRIPv%u",
                (ndo->ndo_vflag >= 1) ? "\n\t" : "",
        ND_PRINT((ndo, "%sRIPv%u",
                (ndo->ndo_vflag >= 1) ? "\n\t" : "",

-               rp->rip_vers));
+               vers));

 
 

-       switch (rp->rip_vers) {
+       switch (vers) {

        case 0:
                /*
                 * RFC 1058.
        case 0:
                /*
                 * RFC 1058.


@@ -219,28 +223,29 @@ rip_print(netdissect_options *ndo,
                break;
        default:
                 /* dump version and lets see if we know the commands name*/
                break;
        default:
                 /* dump version and lets see if we know the commands name*/

+                cmd = EXTRACT_U_1(rp->rip_cmd);

                 ND_PRINT((ndo, ", %s, length: %u",
                        tok2str(rip_cmd_values,
                                "unknown command (%u)",
                 ND_PRINT((ndo, ", %s, length: %u",
                        tok2str(rip_cmd_values,
                                "unknown command (%u)",

-                               rp->rip_cmd),
+                               cmd),

                        length));
 
                 if (ndo->ndo_vflag < 1)
                     return;
 
                        length));
 
                 if (ndo->ndo_vflag < 1)
                     return;
 

-               switch (rp->rip_cmd) {
+               switch (cmd) {

                case RIPCMD_REQUEST:
                case RIPCMD_RESPONSE:
                        j = length / sizeof(*ni);
                case RIPCMD_REQUEST:
                case RIPCMD_RESPONSE:
                        j = length / sizeof(*ni);

-                       ND_PRINT((ndo, ", routes: %u%s", j, rp->rip_vers == 2 ? " or less" : ""));
+                       ND_PRINT((ndo, ", routes: %u%s", j, vers == 2 ? " or less" : ""));

                        ni = (const struct rip_netinfo *)(rp + 1);
                        for (; i >= sizeof(*ni); ++ni) {
                        ni = (const struct rip_netinfo *)(rp + 1);
                        for (; i >= sizeof(*ni); ++ni) {

-                               if (rp->rip_vers == 1)
+                               if (vers == 1)

                                {
                                        rip_entry_print_v1(ndo, ni);
                                        i -= sizeof(*ni);
                                }
                                {
                                        rip_entry_print_v1(ndo, ni);
                                        i -= sizeof(*ni);
                                }

-                               else if (rp->rip_vers == 2)
+                               else if (vers == 2)

                                        i -= rip_entry_print_v2(ndo, ni, i);
                                 else
                                     break;
                                        i -= rip_entry_print_v2(ndo, ni, i);
                                 else
                                     break;