diff options
Diffstat (limited to 'contrib/bind/lib/irs/nis_ho.c')
| -rw-r--r-- | contrib/bind/lib/irs/nis_ho.c | 107 |
1 files changed, 87 insertions, 20 deletions
diff --git a/contrib/bind/lib/irs/nis_ho.c b/contrib/bind/lib/irs/nis_ho.c index 72a8d17..7158f4c 100644 --- a/contrib/bind/lib/irs/nis_ho.c +++ b/contrib/bind/lib/irs/nis_ho.c @@ -16,7 +16,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static const char rcsid[] = "$Id: nis_ho.c,v 1.18 2001/06/18 14:44:00 marka Exp $"; +static const char rcsid[] = "$Id: nis_ho.c,v 1.18.10.1 2003/06/02 05:50:57 marka Exp $"; #endif /* LIBC_SCCS and not lint */ /* Imports */ @@ -87,6 +87,9 @@ static const u_char mapped[] = { 0,0, 0,0, 0,0, 0,0, 0,0, 0xff,0xff }; static const u_char tunnelled[] = { 0,0, 0,0, 0,0, 0,0, 0,0, 0,0 }; static /*const*/ char hosts_byname[] = "hosts.byname"; static /*const*/ char hosts_byaddr[] = "hosts.byaddr"; +static /*const*/ char ipnode_byname[] = "ipnode.byname"; +static /*const*/ char ipnode_byaddr[] = "ipnode.byaddr"; +static /*const*/ char yp_multi[] = "YP_MULTI_"; /* Forwards */ @@ -186,10 +189,33 @@ ho_byname2(struct irs_ho *this, const char *name, int af) { return (NULL); nisfree(pvt, do_val); - DE_CONST(name, tmp); - r = yp_match(pvt->nis_domain, hosts_byname, tmp, + + strcpy(pvt->hostbuf, yp_multi); + strncat(pvt->hostbuf, name, sizeof(pvt->hostbuf) - sizeof(yp_multi)); + pvt->hostbuf[sizeof(pvt->hostbuf) - 1] = '\0'; + for (r = sizeof(yp_multi) - 1; pvt->hostbuf[r] != '\0'; r++) + if (isupper((unsigned char)pvt->hostbuf[r])) + tolower(pvt->hostbuf[r]); + + tmp = pvt->hostbuf; + r = yp_match(pvt->nis_domain, ipnode_byname, tmp, strlen(tmp), &pvt->curval_data, &pvt->curval_len); if (r != 0) { + tmp = pvt->hostbuf + sizeof(yp_multi) - 1; + r = yp_match(pvt->nis_domain, ipnode_byname, tmp, + strlen(tmp), &pvt->curval_data, &pvt->curval_len); + } + if (r != 0) { + tmp = pvt->hostbuf; + r = yp_match(pvt->nis_domain, hosts_byname, tmp, + strlen(tmp), &pvt->curval_data, &pvt->curval_len); + } + if (r != 0) { + tmp = pvt->hostbuf + sizeof(yp_multi) - 1; + r = yp_match(pvt->nis_domain, hosts_byname, tmp, + strlen(tmp), &pvt->curval_data, &pvt->curval_len); + } + if (r != 0) { RES_SET_H_ERRNO(pvt->res, HOST_NOT_FOUND); return (NULL); } @@ -220,8 +246,11 @@ ho_byaddr(struct irs_ho *this, const void *addr, int len, int af) { return (NULL); } nisfree(pvt, do_val); - r = yp_match(pvt->nis_domain, hosts_byaddr, tmp, strlen(tmp), + r = yp_match(pvt->nis_domain, ipnode_byaddr, tmp, strlen(tmp), &pvt->curval_data, &pvt->curval_len); + if (r != 0) + r = yp_match(pvt->nis_domain, hosts_byaddr, tmp, strlen(tmp), + &pvt->curval_data, &pvt->curval_len); if (r != 0) { RES_SET_H_ERRNO(pvt->res, HOST_NOT_FOUND); return (NULL); @@ -382,12 +411,35 @@ ho_addrinfo(struct irs_ho *this, const char *name, const struct addrinfo *pai) /* Private */ +/* +ipnodes: +::1 localhost +127.0.0.1 localhost +1.2.3.4 FOO bar +1.2.6.4 FOO bar +1.2.6.5 host + +ipnodes.byname: +YP_MULTI_localhost ::1,127.0.0.1 localhost +YP_MULTI_foo 1.2.3.4,1.2.6.4 FOO bar +YP_MULTI_bar 1.2.3.4,1.2.6.4 FOO bar +host 1.2.6.5 host + +hosts.byname: +localhost 127.0.0.1 localhost +host 1.2.6.5 host +YP_MULTI_foo 1.2.3.4,1.2.6.4 FOO bar +YP_MULTI_bar 1.2.3.4,1.2.6.4 FOO bar +*/ + static struct hostent * makehostent(struct irs_ho *this) { struct pvt *pvt = (struct pvt *)this->private; static const char spaces[] = " \t"; - char *cp, **q, *p; - int af, len; + char *cp, **q, *p, *comma, *ap; + int af = 0, len = 0; + int multi = 0; + int addr = 0; p = pvt->curval_data; if ((cp = strpbrk(p, "#\n")) != NULL) @@ -395,25 +447,40 @@ makehostent(struct irs_ho *this) { if (!(cp = strpbrk(p, spaces))) return (NULL); *cp++ = '\0'; - if ((pvt->res->options & RES_USE_INET6) && - inet_pton(AF_INET6, p, pvt->host_addr) > 0) { - af = AF_INET6; - len = IN6ADDRSZ; - } else if (inet_pton(AF_INET, p, pvt->host_addr) > 0) { - if (pvt->res->options & RES_USE_INET6) { - map_v4v6_address((char*)pvt->host_addr, - (char*)pvt->host_addr); + ap = pvt->hostbuf; + do { + if ((comma = strchr(p, ',')) != NULL) { + *comma++ = '\0'; + multi = 1; + } + if ((ap + IN6ADDRSZ) > (pvt->hostbuf + sizeof(pvt->hostbuf))) + break; + if ((pvt->res->options & RES_USE_INET6) && + inet_pton(AF_INET6, p, ap) > 0) { af = AF_INET6; len = IN6ADDRSZ; + } else if (inet_pton(AF_INET, p, pvt->host_addr) > 0) { + if (pvt->res->options & RES_USE_INET6) { + map_v4v6_address((char*)pvt->host_addr, ap); + af = AF_INET6; + len = IN6ADDRSZ; + } else { + af = AF_INET; + len = INADDRSZ; + } } else { - af = AF_INET; - len = INADDRSZ; + if (!multi) + return (NULL); + continue; + } + if (addr < MAXADDRS) { + pvt->h_addr_ptrs[addr++] = ap; + pvt->h_addr_ptrs[addr] = NULL; + ap += len; } - } else { + } while ((p = comma) != NULL); + if (ap == pvt->hostbuf) return (NULL); - } - pvt->h_addr_ptrs[0] = (char *)pvt->host_addr; - pvt->h_addr_ptrs[1] = NULL; pvt->host.h_addr_list = pvt->h_addr_ptrs; pvt->host.h_length = len; pvt->host.h_addrtype = af; |
