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merged features ancillary, envvar

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This commit is contained in:
Gerhard Rieger 2008-09-22 22:17:55 +02:00
parent bd3810642b
commit 2ffe5a324e
42 changed files with 1898 additions and 287 deletions

122
xio-ip.c
View file

@ -9,6 +9,8 @@
#if _WITH_IP4 || _WITH_IP6
#include "xioopen.h"
#include "xio-ascii.h"
#include "xio-socket.h"
#include "xio-ip.h"
#include "xio-ip6.h"
@ -25,7 +27,7 @@ const struct optdesc opt_ip_pktinfo = { "ip-pktinfo", "pktinfo", OPT_IP_PKTINF
#ifdef IP_RECVTOS
const struct optdesc opt_ip_recvtos = { "ip-recvtos", "recvtos", OPT_IP_RECVTOS, GROUP_SOCK_IP, PH_PASTSOCKET, TYPE_INT, OFUNC_SOCKOPT, SOL_IP, IP_RECVTOS };
#endif
#ifdef IP_RECVTTL
#ifdef IP_RECVTTL /* -Cygwin */
const struct optdesc opt_ip_recvttl = { "ip-recvttl", "recvttl", OPT_IP_RECVTTL, GROUP_SOCK_IP, PH_PASTSOCKET, TYPE_INT, OFUNC_SOCKOPT, SOL_IP, IP_RECVTTL };
#endif
#ifdef IP_RECVOPTS
@ -65,6 +67,12 @@ const struct optdesc opt_ip_pktoptions = { "ip-pktoptions", "pktopts", OPT_IP_PK
#ifdef IP_ADD_MEMBERSHIP
const struct optdesc opt_ip_add_membership = { "ip-add-membership", "membership",OPT_IP_ADD_MEMBERSHIP, GROUP_SOCK_IP, PH_PASTSOCKET, TYPE_IP_MREQN, OFUNC_SOCKOPT, SOL_IP, IP_ADD_MEMBERSHIP };
#endif
#ifdef IP_RECVDSTADDR
const struct optdesc opt_ip_recvdstaddr = { "ip-recvdstaddr", "recvdstaddr",OPT_IP_RECVDSTADDR, GROUP_SOCK_IP, PH_PASTSOCKET, TYPE_INT, OFUNC_SOCKOPT, SOL_IP, IP_RECVDSTADDR };
#endif
#ifdef IP_RECVIF
const struct optdesc opt_ip_recvif = { "ip-recvif", "recvdstaddrif",OPT_IP_RECVIF, GROUP_SOCK_IP, PH_PASTSOCKET, TYPE_INT, OFUNC_SOCKOPT, SOL_IP, IP_RECVIF };
#endif
#if HAVE_RESOLV_H
const struct optdesc opt_res_debug = { "res-debug", NULL, OPT_RES_DEBUG, GROUP_SOCK_IP, PH_INIT, TYPE_BOOL, OFUNC_OFFSET_MASKS, (size_t)&((xiosingle_t *)0)->para.socket.ip.res_opts, sizeof(unsigned long), RES_DEBUG };
@ -509,4 +517,116 @@ int parserange(const char *rangename, int pf, union xiorange_union *range) {
return 0;
}
#if defined(HAVE_STRUCT_CMSGHDR) && defined(CMSG_DATA)
/* these are valid for IPv4 and IPv6 */
int xiolog_ancillary_ip(struct cmsghdr *cmsg, int *num,
char *typbuff, int typlen,
char *nambuff, int namlen,
char *envbuff, int envlen,
char *valbuff, int vallen) {
const char *cmsgtype, *cmsgname = NULL, *cmsgenvn = NULL, *cmsgfmt = NULL;
size_t msglen;
char scratch1[16]; /* can hold an IPv4 address in ASCII */
char scratch2[16];
char scratch3[16];
msglen = cmsg->cmsg_len-((char *)CMSG_DATA(cmsg)-(char *)cmsg);
envbuff[0] = '\0';
switch (cmsg->cmsg_type) {
default:
*num = 1;
strncpy(typbuff, "IP", typlen);
snprintf(nambuff, namlen, "type_%u", cmsg->cmsg_type);
xiodump(CMSG_DATA(cmsg), msglen, valbuff, vallen, 0);
return STAT_OK;
#ifdef IP_PKTINFO
case IP_PKTINFO: {
struct in_pktinfo *pktinfo = (struct in_pktinfo *)CMSG_DATA(cmsg);
*num = 3;
strncpy(typbuff, "IP_PKTINFO", typlen);
snprintf(nambuff, namlen, "%s%c%s%c%s", "if", '\0', "locaddr", '\0', "dstaddr");
snprintf(envbuff, envlen, "%s%c%s%c%s", "IP_IF", '\0',
"IP_LOCADDR", '\0', "IP_DSTADDR");
snprintf(valbuff, vallen, "%s%c%s%c%s",
xiogetifname(pktinfo->ipi_ifindex, scratch1, -1), '\0',
inet4addr_info(ntohl(pktinfo->ipi_spec_dst.s_addr), scratch2, sizeof(scratch2)), '\0',
inet4addr_info(ntohl(pktinfo->ipi_addr.s_addr), scratch3, sizeof(scratch3)));
}
return STAT_OK;
#endif /* IP_PKTINFO */
#ifdef IP_RECVERR
case IP_RECVERR: {
struct sock_extended_err *err =
(struct sock_extended_err *)CMSG_DATA(cmsg);
*num = 6;
strncpy(typbuff, "IP_RECVERR", typlen);
snprintf(nambuff, namlen, "%s%c%s%c%s%c%s%c%s%c%s",
"errno", '\0', "origin", '\0', "type", '\0',
"code", '\0', "info", '\0', "data");
snprintf(envbuff, envlen, "%s%c%s%c%s%c%s%c%s%c%s",
"IP_RECVERR_ERRNO", '\0', "IP_RECVERR_ORIGIN", '\0',
"IP_RECVERR_TYPE", '\0', "IP_RECVERR_CODE", '\0',
"IP_RECVERR_INFO", '\0', "IP_RECVERR_DATA");
snprintf(valbuff, vallen, "%u%c%u%c%u%c%u%c%u%c%u",
err->ee_errno, '\0', err->ee_origin, '\0', err->ee_type, '\0',
err->ee_code, '\0', err->ee_info, '\0', err->ee_data);
return STAT_OK;
}
#endif /* IP_RECVERR */
#ifdef IP_RECVIF
case IP_RECVIF: {
/* spec in FreeBSD: /usr/include/net/if_dl.h */
struct sockaddr_dl *sadl = (struct sockaddr_dl *)CMSG_DATA(cmsg);
*num = 1;
strncpy(typbuff, "IP_RECVIF", typlen);
strncpy(nambuff, "if", namlen);
strncpy(envbuff, "IP_IF", envlen);
strncpy(valbuff,
xiosubstr(scratch1, sadl->sdl_data, 0, sadl->sdl_nlen), vallen);
return STAT_OK;
}
#endif /* defined(IP_RECVIF) */
#ifdef IP_RECVDSTADDR
case IP_RECVDSTADDR:
*num = 1;
strncpy(typbuff, "IP_RECVDSTADDR", typlen);
strncpy(nambuff, "dstaddr", namlen);
strncpy(envbuff, "IP_DSTADDR", envlen);
inet4addr_info(ntohl(*(uint32_t *)CMSG_DATA(cmsg)), valbuff, vallen);
return STAT_OK;
#endif
case IP_OPTIONS:
case IP_RECVOPTS:
cmsgtype = "IP_OPTIONS"; cmsgname = "options"; cmsgfmt = NULL; break;
case IP_TOS:
cmsgtype = "IP_TOS"; cmsgname = "tos"; cmsgfmt = "%u"; break;
case IP_TTL: /* Linux */
#ifdef IP_RECVTTL
case IP_RECVTTL: /* FreeBSD */
#endif
cmsgtype = "IP_TTL"; cmsgname = "ttl"; cmsgfmt = "%u"; break;
}
/* when we come here we provide a single parameter
with type in cmsgtype, name in cmsgname, printf format in cmsgfmt */
*num = 1;
if (strlen(cmsgtype) >= typlen) Fatal("buff too short");
strncpy(typbuff, cmsgtype, typlen);
if (strlen(cmsgname) >= namlen) Fatal("buff too short");
strncpy(nambuff, cmsgname, namlen);
if (cmsgenvn) {
if (strlen(cmsgenvn) >= envlen) Fatal("buff too short");
strncpy(envbuff, cmsgenvn, envlen);
} else {
envbuff[0] = '\0';
}
if (cmsgfmt != NULL) {
snprintf(valbuff, vallen, cmsgfmt, *(unsigned char *)CMSG_DATA(cmsg));
} else {
xiodump(CMSG_DATA(cmsg), msglen, valbuff, vallen, 0);
}
return STAT_OK;
}
#endif /* defined(HAVE_STRUCT_CMSGHDR) && defined(CMSG_DATA) */
#endif /* _WITH_IP4 || _WITH_IP6 */