X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Fdropin.c;h=66aaa316f20cbaee6911af2b8d6f768b691664b3;hp=04ddac0421d722d57ce8b05a210ed6bdc6a8e985;hb=f0aa9641e82fb6e09c1e485366d14dddaa7f7c36;hpb=c2752b961c9262386b940c2c053b9909bee22859 diff --git a/lib/dropin.c b/lib/dropin.c index 04ddac04..66aaa316 100644 --- a/lib/dropin.c +++ b/lib/dropin.c @@ -17,7 +17,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: dropin.c,v 1.1.2.7 2001/11/16 17:36:56 zarq Exp $ + $Id: dropin.c,v 1.1.2.8 2002/02/10 21:57:51 guus Exp $ */ #include "config.h" @@ -169,188 +169,3 @@ int asprintf(char **buf, const char *fmt, ...) return status; } #endif - - -/* - * fake library for ssh - * - * This file is included in getaddrinfo.c and getnameinfo.c. - * See getaddrinfo.c and getnameinfo.c. - */ - -/* $Id: dropin.c,v 1.1.2.7 2001/11/16 17:36:56 zarq Exp $ */ - -/* for old netdb.h */ -#ifndef EAI_NODATA -#define EAI_NODATA 1 -#define EAI_MEMORY 2 -#endif - -/* - * fake library for ssh - * - * This file includes getaddrinfo(), freeaddrinfo() and gai_strerror(). - * These funtions are defined in rfc2133. - * - * But these functions are not implemented correctly. The minimum subset - * is implemented for ssh use only. For exapmle, this routine assumes - * that ai_family is AF_INET. Don't use it for another purpose. - */ - -#ifndef HAVE_GAI_STRERROR -char *gai_strerror(int ecode) -{ - switch (ecode) { - case EAI_NODATA: - return "no address associated with hostname."; - case EAI_MEMORY: - return "memory allocation failure."; - default: - return "unknown error."; - } -} -#endif /* !HAVE_GAI_STRERROR */ - -#ifndef HAVE_FREEADDRINFO -void freeaddrinfo(struct addrinfo *ai) -{ - struct addrinfo *next; - - do { - next = ai->ai_next; - free(ai); - } while (NULL != (ai = next)); -} -#endif /* !HAVE_FREEADDRINFO */ - -#ifndef HAVE_GETADDRINFO -static struct addrinfo *malloc_ai(int port, u_long addr) -{ - struct addrinfo *ai; - - ai = malloc(sizeof(struct addrinfo) + sizeof(struct sockaddr_in)); - if (ai == NULL) - return(NULL); - - memset(ai, 0, sizeof(struct addrinfo) + sizeof(struct sockaddr_in)); - - ai->ai_addr = (struct sockaddr *)(ai + 1); - /* XXX -- ssh doesn't use sa_len */ - ai->ai_addrlen = sizeof(struct sockaddr_in); - ai->ai_addr->sa_family = ai->ai_family = AF_INET; - - ((struct sockaddr_in *)(ai)->ai_addr)->sin_port = port; - ((struct sockaddr_in *)(ai)->ai_addr)->sin_addr.s_addr = addr; - - return(ai); -} - -int getaddrinfo(const char *hostname, const char *servname, - const struct addrinfo *hints, struct addrinfo **res) -{ - struct addrinfo *cur, *prev = NULL; - struct hostent *hp; - struct in_addr in; - int i, port; - - if (servname) - port = htons(atoi(servname)); - else - port = 0; - - if (hints && hints->ai_flags & AI_PASSIVE) { - if (NULL != (*res = malloc_ai(port, htonl(0x00000000)))) - return 0; - else - return EAI_MEMORY; - } - - if (!hostname) { - if (NULL != (*res = malloc_ai(port, htonl(0x7f000001)))) - return 0; - else - return EAI_MEMORY; - } - - if (inet_aton(hostname, &in)) { - if (NULL != (*res = malloc_ai(port, in.s_addr))) - return 0; - else - return EAI_MEMORY; - } - - hp = gethostbyname(hostname); - if (hp && hp->h_name && hp->h_name[0] && hp->h_addr_list[0]) { - for (i = 0; hp->h_addr_list[i]; i++) { - cur = malloc_ai(port, ((struct in_addr *)hp->h_addr_list[i])->s_addr); - if (cur == NULL) { - if (*res) - freeaddrinfo(*res); - return EAI_MEMORY; - } - - if (prev) - prev->ai_next = cur; - else - *res = cur; - - prev = cur; - } - return 0; - } - - return EAI_NODATA; -} -#endif /* !HAVE_GETADDRINFO */ - - -/* - * fake library for ssh - * - * This file includes getnameinfo(). - * These funtions are defined in rfc2133. - * - * But these functions are not implemented correctly. The minimum subset - * is implemented for ssh use only. For exapmle, this routine assumes - * that ai_family is AF_INET. Don't use it for another purpose. - */ - -#ifndef HAVE_GETNAMEINFO -int getnameinfo(const struct sockaddr *sa, size_t salen, char *host, - size_t hostlen, char *serv, size_t servlen, int flags) -{ - struct sockaddr_in *sin = (struct sockaddr_in *)sa; - struct hostent *hp; - char tmpserv[16]; - - if (serv) { - snprintf(tmpserv, sizeof(tmpserv), "%d", ntohs(sin->sin_port)); - if (strlen(tmpserv) >= servlen) - return EAI_MEMORY; - else - strcpy(serv, tmpserv); - } - - if (host) { - if (flags & NI_NUMERICHOST) { - if (strlen(inet_ntoa(sin->sin_addr)) >= hostlen) - return EAI_MEMORY; - - strcpy(host, inet_ntoa(sin->sin_addr)); - return 0; - } else { - hp = gethostbyaddr((char *)&sin->sin_addr, - sizeof(struct in_addr), AF_INET); - if (hp == NULL) - return EAI_NODATA; - - if (strlen(hp->h_name) >= hostlen) - return EAI_MEMORY; - - strcpy(host, hp->h_name); - return 0; - } - } - return 0; -} -#endif /* !HAVE_GETNAMEINFO */