1/* $OpenBSD: ypldap_dns.c,v 1.8 2015/01/16 06:40:22 deraadt Exp $ */ |
2/* $FreeBSD: head/usr.sbin/ypldap/ypldap_dns.c 297907 2016-04-13 03:36:34Z araujo $ */ |
3 4/* 5 * Copyright (c) 2003-2008 Henning Brauer <henning@openbsd.org> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * --- 32 unchanged lines hidden (view full) --- 43#include "ypldap.h" 44 45volatile sig_atomic_t quit_dns = 0; 46struct imsgev *iev_dns; 47 48void dns_dispatch_imsg(int, short, void *); 49void dns_sig_handler(int, short, void *); 50void dns_shutdown(void); |
51int host_dns(const char *, struct ypldap_addr_list *); |
52 53void 54dns_sig_handler(int sig, short event, void *p) 55{ 56 switch (sig) { 57 case SIGINT: 58 case SIGTERM: 59 dns_shutdown(); --- 64 unchanged lines hidden (view full) --- 124} 125 126void 127dns_dispatch_imsg(int fd, short events, void *p) 128{ 129 struct imsg imsg; 130 int n, cnt; 131 char *name; |
132 struct ypldap_addr_list hn = TAILQ_HEAD_INITIALIZER(hn); 133 struct ypldap_addr *h; |
134 struct ibuf *buf; 135 struct env *env = p; 136 struct imsgev *iev = env->sc_iev; 137 struct imsgbuf *ibuf = &iev->ibuf; 138 int shut = 0; 139 140 if ((events & (EV_READ | EV_WRITE)) == 0) 141 fatalx("unknown event"); --- 30 unchanged lines hidden (view full) --- 172 if ((cnt = host_dns(name, &hn)) == -1) 173 break; 174 buf = imsg_create(ibuf, IMSG_HOST_DNS, 175 imsg.hdr.peerid, 0, 176 cnt * sizeof(struct sockaddr_storage)); 177 if (buf == NULL) 178 break; 179 if (cnt > 0) { |
180 while(!TAILQ_EMPTY(&hn)) { 181 h = TAILQ_FIRST(&hn); 182 TAILQ_REMOVE(&hn, h, next); |
183 imsg_add(buf, &h->ss, sizeof(h->ss)); |
184 free(h); |
185 } 186 } 187 188 imsg_close(ibuf, buf); 189 break; 190 default: 191 break; 192 } --- 6 unchanged lines hidden (view full) --- 199 else { 200 /* this pipe is dead, so remove the event handler */ 201 event_del(&iev->ev); 202 event_loopexit(NULL); 203 } 204} 205 206int |
207host_dns(const char *s, struct ypldap_addr_list *hn) |
208{ 209 struct addrinfo hints, *res0, *res; 210 int error, cnt = 0; 211 struct sockaddr_in *sa_in; 212 struct sockaddr_in6 *sa_in6; |
213 struct ypldap_addr *h; |
214 215 bzero(&hints, sizeof(hints)); 216 hints.ai_family = PF_UNSPEC; 217 hints.ai_socktype = SOCK_DGRAM; /* DUMMY */ 218 error = getaddrinfo(s, NULL, &hints, &res0); 219 if (error == EAI_AGAIN || error == EAI_NONAME) 220 return (0); 221 if (error) { --- 16 unchanged lines hidden (view full) --- 238 res->ai_addr)->sin_addr.s_addr; 239 } else { 240 sa_in6 = (struct sockaddr_in6 *)&h->ss; 241 sa_in6->sin6_len = sizeof(struct sockaddr_in6); 242 memcpy(&sa_in6->sin6_addr, &((struct sockaddr_in6 *) 243 res->ai_addr)->sin6_addr, sizeof(struct in6_addr)); 244 } 245 |
246 TAILQ_INSERT_HEAD(hn, h, next); |
247 cnt++; 248 } 249 freeaddrinfo(res0); |
250 return (cnt); 251} |