X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/d29f3dab95d8b28a62848fcb043b8ba40348bc3d..a63600a1fc28dbc7ae7ce9f996829c49a25fb33c:/print-sunrpc.c diff --git a/print-sunrpc.c b/print-sunrpc.c index 2589dfd7..7eeb42dc 100644 --- a/print-sunrpc.c +++ b/print-sunrpc.c @@ -19,8 +19,10 @@ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ +/* \summary: Sun Remote Procedure Call printer */ + #ifdef HAVE_CONFIG_H -#include "config.h" +#include #endif /* @@ -38,7 +40,7 @@ */ #undef _XOPEN_SOURCE_EXTENDED -#include +#include "netdissect-stdinc.h" #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) #include @@ -50,14 +52,13 @@ #include #include +#define ND_LONGJMP_FROM_TCHECK #include "netdissect.h" #include "addrtoname.h" #include "extract.h" #include "ip.h" -#ifdef INET6 #include "ip6.h" -#endif #include "rpc_auth.h" #include "rpc_msg.h" @@ -104,10 +105,10 @@ * The following procedures are supported by the protocol: * * PMAPPROC_NULL() returns () - * takes nothing, returns nothing + * takes nothing, returns nothing * * PMAPPROC_SET(struct pmap) returns (bool_t) - * TRUE is success, FALSE is failure. Registers the tuple + * TRUE is success, FALSE is failure. Registers the tuple * [prog, vers, prot, port]. * * PMAPPROC_UNSET(struct pmap) returns (bool_t) @@ -121,9 +122,9 @@ * PMAPPROC_DUMP() RETURNS (struct pmaplist *) * * PMAPPROC_CALLIT(unsigned, unsigned, unsigned, string<>) - * RETURNS (port, string<>); + * RETURNS (port, string<>); * usage: encapsulatedresults = PMAPPROC_CALLIT(prog, vers, proc, encapsulatedargs); - * Calls the procedure on the local machine. If it is not registered, + * Calls the procedure on the local machine. If it is not registered, * this procedure is quite; ie it does not return error information!!! * This procedure only is supported on rpc/udp and calls via * rpc/udp. This routine only passes null authentication parameters. @@ -132,24 +133,13 @@ * The service supports remote procedure calls on udp/ip or tcp/ip socket 111. */ -#define SUNRPC_PMAPPORT ((u_int16_t)111) -#define SUNRPC_PMAPPROG ((u_int32_t)100000) -#define SUNRPC_PMAPVERS ((u_int32_t)2) -#define SUNRPC_PMAPVERS_PROTO ((u_int32_t)2) -#define SUNRPC_PMAPVERS_ORIG ((u_int32_t)1) -#define SUNRPC_PMAPPROC_NULL ((u_int32_t)0) -#define SUNRPC_PMAPPROC_SET ((u_int32_t)1) -#define SUNRPC_PMAPPROC_UNSET ((u_int32_t)2) -#define SUNRPC_PMAPPROC_GETPORT ((u_int32_t)3) -#define SUNRPC_PMAPPROC_DUMP ((u_int32_t)4) -#define SUNRPC_PMAPPROC_CALLIT ((u_int32_t)5) - -struct sunrpc_pmap { - u_int32_t pm_prog; - u_int32_t pm_vers; - u_int32_t pm_prot; - u_int32_t pm_port; -}; +#define SUNRPC_PMAPPORT ((uint16_t)111) +#define SUNRPC_PMAPPROC_NULL ((uint32_t)0) +#define SUNRPC_PMAPPROC_SET ((uint32_t)1) +#define SUNRPC_PMAPPROC_UNSET ((uint32_t)2) +#define SUNRPC_PMAPPROC_GETPORT ((uint32_t)3) +#define SUNRPC_PMAPPROC_DUMP ((uint32_t)4) +#define SUNRPC_PMAPPROC_CALLIT ((uint32_t)5) static const struct tok proc2str[] = { { SUNRPC_PMAPPROC_NULL, "null" }, @@ -162,94 +152,90 @@ static const struct tok proc2str[] = { }; /* Forwards */ -static char *progstr(u_int32_t); +static char *progstr(uint32_t); void -sunrpcrequest_print(netdissect_options *ndo, register const u_char *bp, - register u_int length, register const u_char *bp2) +sunrpc_print(netdissect_options *ndo, const u_char *bp, + u_int length, const u_char *bp2) { - register const struct sunrpc_msg *rp; - register const struct ip *ip; -#ifdef INET6 - register const struct ip6_hdr *ip6; -#endif - u_int32_t x; + const struct sunrpc_msg *rp; + const struct ip *ip; + const struct ip6_hdr *ip6; + uint32_t x; char srcid[20], dstid[20]; /*fits 32bit*/ - rp = (struct sunrpc_msg *)bp; + ndo->ndo_protocol = "sunrpc"; + rp = (const struct sunrpc_msg *)bp; + ND_TCHECK_SIZE(rp); if (!ndo->ndo_nflag) { snprintf(srcid, sizeof(srcid), "0x%x", - EXTRACT_32BITS(&rp->rm_xid)); + GET_BE_U_4(rp->rm_xid)); strlcpy(dstid, "sunrpc", sizeof(dstid)); } else { snprintf(srcid, sizeof(srcid), "0x%x", - EXTRACT_32BITS(&rp->rm_xid)); + GET_BE_U_4(rp->rm_xid)); snprintf(dstid, sizeof(dstid), "0x%x", SUNRPC_PMAPPORT); } - switch (IP_V((struct ip *)bp2)) { + switch (IP_V((const struct ip *)bp2)) { case 4: - ip = (struct ip *)bp2; - ND_PRINT((ndo, "%s.%s > %s.%s: %d", - ipaddr_string(&ip->ip_src), srcid, - ipaddr_string(&ip->ip_dst), dstid, length)); + ip = (const struct ip *)bp2; + ND_PRINT("%s.%s > %s.%s: %u", + GET_IPADDR_STRING(ip->ip_src), srcid, + GET_IPADDR_STRING(ip->ip_dst), dstid, length); break; -#ifdef INET6 case 6: - ip6 = (struct ip6_hdr *)bp2; - ND_PRINT((ndo, "%s.%s > %s.%s: %d", - ip6addr_string(&ip6->ip6_src), srcid, - ip6addr_string(&ip6->ip6_dst), dstid, length)); + ip6 = (const struct ip6_hdr *)bp2; + ND_PRINT("%s.%s > %s.%s: %u", + GET_IP6ADDR_STRING(ip6->ip6_src), srcid, + GET_IP6ADDR_STRING(ip6->ip6_dst), dstid, length); break; -#endif default: - ND_PRINT((ndo, "%s.%s > %s.%s: %d", "?", srcid, "?", dstid, length)); + ND_PRINT("%s.%s > %s.%s: %u", "?", srcid, "?", dstid, length); break; } - ND_PRINT((ndo, " %s", tok2str(proc2str, " proc #%u", - EXTRACT_32BITS(&rp->rm_call.cb_proc)))); - x = EXTRACT_32BITS(&rp->rm_call.cb_rpcvers); - if (x != 2) - ND_PRINT((ndo, " [rpcver %u]", x)); + ND_PRINT(" %s", tok2str(proc2str, " proc #%u", + GET_BE_U_4(rp->rm_call.cb_proc))); + x = GET_BE_U_4(rp->rm_call.cb_rpcvers); + if (x != SUNRPC_MSG_VERSION) + ND_PRINT(" [rpcver %u]", x); - switch (EXTRACT_32BITS(&rp->rm_call.cb_proc)) { + switch (GET_BE_U_4(rp->rm_call.cb_proc)) { case SUNRPC_PMAPPROC_SET: case SUNRPC_PMAPPROC_UNSET: case SUNRPC_PMAPPROC_GETPORT: case SUNRPC_PMAPPROC_CALLIT: - x = EXTRACT_32BITS(&rp->rm_call.cb_prog); + x = GET_BE_U_4(rp->rm_call.cb_prog); if (!ndo->ndo_nflag) - ND_PRINT((ndo, " %s", progstr(x))); + ND_PRINT(" %s", progstr(x)); else - ND_PRINT((ndo, " %u", x)); - ND_PRINT((ndo, ".%u", EXTRACT_32BITS(&rp->rm_call.cb_vers))); + ND_PRINT(" %u", x); + ND_PRINT(".%u", GET_BE_U_4(rp->rm_call.cb_vers)); break; } } static char * -progstr(prog) - u_int32_t prog; +progstr(uint32_t prog) { #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) - register struct rpcent *rp; + struct rpcent *rp; #endif static char buf[32]; - static u_int32_t lastprog = 0; + static uint32_t lastprog = 0; if (lastprog != 0 && prog == lastprog) return (buf); #if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) rp = getrpcbynumber(prog); - if (rp == NULL) -#endif - (void) snprintf(buf, sizeof(buf), "#%u", prog); -#if defined(HAVE_GETRPCBYNUMBER) && defined(HAVE_RPC_RPC_H) - else + if (rp != NULL) strlcpy(buf, rp->r_name, sizeof(buf)); + else #endif + (void) snprintf(buf, sizeof(buf), "#%u", prog); + lastprog = prog; return (buf); }