diff -uNr ozzylib/Makefile ozzylib-cygwin/Makefile --- ozzylib/Makefile 2003-01-02 03:17:02.000000000 +0000 +++ ozzylib-cygwin/Makefile 2003-06-15 16:39:12.000000000 +0000 @@ -34,7 +34,7 @@ CCFLAGS = -Wall $(DEBUG) CC = gcc $(CCFLAGS) -OBJECTS = socket.o log.o util.o config.o uniq.o passwd.o errno.o +OBJECTS = socket.o log.o util.o config.o uniq.o passwd.o errno.o compat.o LDCMD = $(LDPARAMS) $(OBJECTS) all: $(OBJECTS) ; diff -uNr ozzylib/compat.c ozzylib-cygwin/compat.c --- ozzylib/compat.c 1970-01-01 00:00:00.000000000 +0000 +++ ozzylib-cygwin/compat.c 2003-06-15 16:38:55.000000000 +0000 @@ -0,0 +1,1009 @@ +/* + * This code was taken from the source of rsync; http://rsync.samba.org + */ + +/* + * Copyright (C) 1996-2001 Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM + * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL + * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "ozzy.h" + +#define NS_INT16SZ 2 +#define NS_INADDRSZ 4 +#define NS_IN6ADDRSZ 16 + +/* + * WARNING: Don't even consider trying to compile this on a system where + * sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX. + */ + +static int inet_pton4(const char *src, unsigned char *dst); +#ifdef INET6 +static int inet_pton6(const char *src, unsigned char *dst); +#endif + +/* int + * inet_pton(af, src, dst) + * convert from presentation format (which usually means ASCII printable) + * to network format (which is usually some kind of binary format). + * return: + * 1 if the address was valid for the specified address family + * 0 if the address wasn't valid (`dst' is untouched in this case) + * -1 if some other error occurred (`dst' is untouched in this case, too) + * author: + * Paul Vixie, 1996. + */ +int +inet_pton(int af, + const char *src, + void *dst) +{ + switch (af) { + case AF_INET: + return (inet_pton4(src, dst)); +#ifdef INET6 + case AF_INET6: + return (inet_pton6(src, dst)); +#endif + default: + errno = EAFNOSUPPORT; + return (-1); + } + /* NOTREACHED */ +} + +/* int + * inet_pton4(src, dst) + * like inet_aton() but without all the hexadecimal and shorthand. + * return: + * 1 if `src' is a valid dotted quad, else 0. + * notice: + * does not touch `dst' unless it's returning 1. + * author: + * Paul Vixie, 1996. + */ +static int +inet_pton4(src, dst) + const char *src; + unsigned char *dst; +{ + static const char digits[] = "0123456789"; + int saw_digit, octets, ch; + unsigned char tmp[NS_INADDRSZ], *tp; + + saw_digit = 0; + octets = 0; + *(tp = tmp) = 0; + while ((ch = *src++) != '\0') { + const char *pch; + + if ((pch = strchr(digits, ch)) != NULL) { + unsigned int new = *tp * 10 + (pch - digits); + + if (new > 255) + return (0); + *tp = new; + if (! saw_digit) { + if (++octets > 4) + return (0); + saw_digit = 1; + } + } else if (ch == '.' && saw_digit) { + if (octets == 4) + return (0); + *++tp = 0; + saw_digit = 0; + } else + return (0); + } + if (octets < 4) + return (0); + memcpy(dst, tmp, NS_INADDRSZ); + return (1); +} + +/* int + * inet_pton6(src, dst) + * convert presentation level address to network order binary form. + * return: + * 1 if `src' is a valid [RFC1884 2.2] address, else 0. + * notice: + * (1) does not touch `dst' unless it's returning 1. + * (2) :: in a full address is silently ignored. + * credit: + * inspired by Mark Andrews. + * author: + * Paul Vixie, 1996. + */ +#ifdef INET6 +static int +inet_pton6(src, dst) + const char *src; + unsigned char *dst; +{ + static const char xdigits_l[] = "0123456789abcdef", + xdigits_u[] = "0123456789ABCDEF"; + unsigned char tmp[NS_IN6ADDRSZ], *tp, *endp, *colonp; + const char *xdigits, *curtok; + int ch, saw_xdigit; + unsigned int val; + + memset((tp = tmp), '\0', NS_IN6ADDRSZ); + endp = tp + NS_IN6ADDRSZ; + colonp = NULL; + /* Leading :: requires some special handling. */ + if (*src == ':') + if (*++src != ':') + return (0); + curtok = src; + saw_xdigit = 0; + val = 0; + while ((ch = *src++) != '\0') { + const char *pch; + + if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL) + pch = strchr((xdigits = xdigits_u), ch); + if (pch != NULL) { + val <<= 4; + val |= (pch - xdigits); + if (val > 0xffff) + return (0); + saw_xdigit = 1; + continue; + } + if (ch == ':') { + curtok = src; + if (!saw_xdigit) { + if (colonp) + return (0); + colonp = tp; + continue; + } + if (tp + NS_INT16SZ > endp) + return (0); + *tp++ = (unsigned char) (val >> 8) & 0xff; + *tp++ = (unsigned char) val & 0xff; + saw_xdigit = 0; + val = 0; + continue; + } + if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) && + inet_pton4(curtok, tp) > 0) { + tp += NS_INADDRSZ; + saw_xdigit = 0; + break; /* '\0' was seen by inet_pton4(). */ + } + return (0); + } + if (saw_xdigit) { + if (tp + NS_INT16SZ > endp) + return (0); + *tp++ = (unsigned char) (val >> 8) & 0xff; + *tp++ = (unsigned char) val & 0xff; + } + if (colonp != NULL) { + /* + * Since some memmove()'s erroneously fail to handle + * overlapping regions, we'll do the shift by hand. + */ + const int n = tp - colonp; + int i; + + for (i = 1; i <= n; i++) { + endp[- i] = colonp[n - i]; + colonp[n - i] = 0; + } + tp = endp; + } + if (tp != endp) + return (0); + memcpy(dst, tmp, NS_IN6ADDRSZ); + return (1); +} +#endif + + +#define NS_INT16SZ 2 +#define NS_IN6ADDRSZ 16 + + +/* + * WARNING: Don't even consider trying to compile this on a system where + * sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX. + */ + +static const char *inet_ntop4(const unsigned char *src, char *dst, + size_t size); + +#ifdef AF_INET6 +static const char *inet_ntop6(const unsigned char *src, char *dst, + size_t size); +#endif + +/* char * + * isc_net_ntop(af, src, dst, size) + * convert a network format address to presentation format. + * return: + * pointer to presentation format address (`dst'), or NULL (see errno). + * author: + * Paul Vixie, 1996. + */ +const char * +inet_ntop(int af, const void *src, char *dst, size_t size) +{ + switch (af) { + case AF_INET: + return (inet_ntop4(src, dst, size)); +#ifdef AF_INET6 + case AF_INET6: + return (inet_ntop6(src, dst, size)); +#endif + default: + errno = EAFNOSUPPORT; + return (NULL); + } + /* NOTREACHED */ +} + +/* const char * + * inet_ntop4(src, dst, size) + * format an IPv4 address + * return: + * `dst' (as a const) + * notes: + * (1) uses no statics + * (2) takes a unsigned char* not an in_addr as input + * author: + * Paul Vixie, 1996. + */ +static const char * +inet_ntop4(const unsigned char *src, char *dst, size_t size) +{ + static const char *fmt = "%u.%u.%u.%u"; + char tmp[sizeof "255.255.255.255"]; + + if ((size_t)sprintf(tmp, fmt, src[0], src[1], src[2], src[3]) >= size) + { + errno = ENOSPC; + return (NULL); + } + strcpy(dst, tmp); + + return (dst); +} + +/* const char * + * isc_inet_ntop6(src, dst, size) + * convert IPv6 binary address into presentation (printable) format + * author: + * Paul Vixie, 1996. + */ +#ifdef AF_INET6 +static const char * +inet_ntop6(const unsigned char *src, char *dst, size_t size) +{ + /* + * Note that int32_t and int16_t need only be "at least" large enough + * to contain a value of the specified size. On some systems, like + * Crays, there is no such thing as an integer variable with 16 bits. + * Keep this in mind if you think this function should have been coded + * to use pointer overlays. All the world's not a VAX. + */ + char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp; + struct { int base, len; } best, cur; + unsigned int words[NS_IN6ADDRSZ / NS_INT16SZ]; + int i; + + /* + * Preprocess: + * Copy the input (bytewise) array into a wordwise array. + * Find the longest run of 0x00's in src[] for :: shorthanding. + */ + memset(words, '\0', sizeof words); + for (i = 0; i < NS_IN6ADDRSZ; i++) + words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3)); + best.base = -1; + cur.base = -1; + for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) { + if (words[i] == 0) { + if (cur.base == -1) + cur.base = i, cur.len = 1; + else + cur.len++; + } else { + if (cur.base != -1) { + if (best.base == -1 || cur.len > best.len) + best = cur; + cur.base = -1; + } + } + } + if (cur.base != -1) { + if (best.base == -1 || cur.len > best.len) + best = cur; + } + if (best.base != -1 && best.len < 2) + best.base = -1; + + /* + * Format the result. + */ + tp = tmp; + for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) { + /* Are we inside the best run of 0x00's? */ + if (best.base != -1 && i >= best.base && + i < (best.base + best.len)) { + if (i == best.base) + *tp++ = ':'; + continue; + } + /* Are we following an initial run of 0x00s or any real hex? */ + if (i != 0) + *tp++ = ':'; + /* Is this address an encapsulated IPv4? */ + if (i == 6 && best.base == 0 && + (best.len == 6 || (best.len == 5 && words[5] == 0xffff))) { + if (!inet_ntop4(src+12, tp, + sizeof tmp - (tp - tmp))) + return (NULL); + tp += strlen(tp); + break; + } + tp += sprintf(tp, "%x", words[i]); + } + /* Was it a trailing run of 0x00's? */ + if (best.base != -1 && (best.base + best.len) == + (NS_IN6ADDRSZ / NS_INT16SZ)) + *tp++ = ':'; + *tp++ = '\0'; + + /* + * Check for overflow, copy, and we're done. + */ + if ((size_t)(tp - tmp) > size) { + errno = ENOSPC; + return (NULL); + } + strcpy(dst, tmp); + return (dst); +} +#endif /* AF_INET6 */ + +/* + * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. + * + * Changes Copyright (C) 2001 by Martin Pool + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * "#ifdef FAITH" part is local hack for supporting IPv4-v6 translator. + * + * Issues to be discussed: + * - Thread safe-ness must be checked. + * - Return values. There are nonstandard return values defined and used + * in the source code. This is because RFC2133 is silent about which error + * code must be returned for which situation. + * - PF_UNSPEC case would be handled in getipnodebyname() with the AI_ALL flag. + */ + +#if defined(__KAME__) && defined(INET6) +# define FAITH +#endif + +#define SUCCESS 0 +#define ANY 0 +#define YES 1 +#define NO 0 + +#ifdef FAITH +static int translate = NO; +static struct in6_addr faith_prefix = IN6ADDR_ANY_INIT; +#endif /* FAITH */ + +/* Amdahl's UTS 2.1.2 defines NO_ADDRESS instead of NO_DATA. */ + +#ifndef NO_DATA +#ifdef NO_ADDRESS +#define NO_DATA NO_ADDRESS +#endif +#endif /* ndef NO_DATA */ + +static const char in_addrany[] = { 0, 0, 0, 0 }; +static const char in6_addrany[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; +static const char in_loopback[] = { 127, 0, 0, 1 }; +static const char in6_loopback[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 +}; + +struct sockinet { + u_char si_len; + u_char si_family; + u_short si_port; +}; + +static struct afd { + int a_af; + int a_addrlen; + int a_socklen; + int a_off; + const char *a_addrany; + const char *a_loopback; +} afdl [] = { +#ifdef INET6 +#define N_INET6 0 + {PF_INET6, sizeof(struct in6_addr), + sizeof(struct sockaddr_in6), + offsetof(struct sockaddr_in6, sin6_addr), + in6_addrany, in6_loopback}, +#define N_INET 1 +#else +#define N_INET 0 +#endif + {PF_INET, sizeof(struct in_addr), + sizeof(struct sockaddr_in), + offsetof(struct sockaddr_in, sin_addr), + in_addrany, in_loopback}, + {0, 0, 0, 0, NULL, NULL}, +}; + +#ifdef INET6 +#define PTON_MAX 16 +#else +#define PTON_MAX 4 +#endif + + +static int get_name (const char *, struct afd *, + struct addrinfo **, char *, struct addrinfo *, + int); +static int get_addr (const char *, int, struct addrinfo **, + struct addrinfo *, int); +static int str_isnumber (const char *); + +static char *ai_errlist[] = { + "success.", + "address family for hostname not supported.", /* EAI_ADDRFAMILY */ + "temporary failure in name resolution.", /* EAI_AGAIN */ + "invalid value for ai_flags.", /* EAI_BADFLAGS */ + "non-recoverable failure in name resolution.", /* EAI_FAIL */ + "ai_family not supported.", /* EAI_FAMILY */ + "memory allocation failure.", /* EAI_MEMORY */ + "no address associated with hostname.", /* EAI_NODATA */ + "hostname nor servname provided, or not known.",/* EAI_NONAME */ + "servname not supported for ai_socktype.", /* EAI_SERVICE */ + "ai_socktype not supported.", /* EAI_SOCKTYPE */ + "system error returned in errno.", /* EAI_SYSTEM */ + "invalid value for hints.", /* EAI_BADHINTS */ + "resolved protocol is unknown.", /* EAI_PROTOCOL */ + "unknown error.", /* EAI_MAX */ +}; + +#define GET_CANONNAME(ai, str) \ +if (pai->ai_flags & AI_CANONNAME) {\ + if (((ai)->ai_canonname = (char *)malloc(strlen(str) + 1)) != NULL) {\ + strcpy((ai)->ai_canonname, (str));\ + } else {\ + error = EAI_MEMORY;\ + goto free;\ + }\ +} + + +static int get_ai(struct addrinfo ** to_ai, + struct addrinfo const * pai, + struct afd *afd, + const char *addr, + short port) +{ + char *p; + if ((*to_ai = (struct addrinfo *)malloc(sizeof(struct addrinfo) + + ((afd)->a_socklen))) + == NULL) + return 0; + memcpy(*to_ai, pai, sizeof(struct addrinfo)); + (*to_ai)->ai_addr = (struct sockaddr *)((*to_ai) + 1); + memset((*to_ai)->ai_addr, 0, (afd)->a_socklen); + (*to_ai)->ai_addrlen = (afd)->a_socklen; +#if HAVE_SOCKADDR_LEN + (*to_ai)->ai_addr->sa_len= (afd)->a_socklen; +#endif + (*to_ai)->ai_addr->sa_family = (*to_ai)->ai_family = (afd)->a_af; + ((struct sockinet *)(*to_ai)->ai_addr)->si_port = port; + p = (char *)((*to_ai)->ai_addr); + memcpy(p + (afd)->a_off, (addr), (afd)->a_addrlen); + return 1; +} + +#define ERR(err) { error = (err); goto bad; } + +char * +gai_strerror(ecode) + int ecode; +{ + if (ecode < 0 || ecode > EAI_MAX) + ecode = EAI_MAX; + return ai_errlist[ecode]; +} + +void +freeaddrinfo(ai) + struct addrinfo *ai; +{ + struct addrinfo *next; + + do { + next = ai->ai_next; + if (ai->ai_canonname) + free(ai->ai_canonname); + /* no need to free(ai->ai_addr) */ + free(ai); + } while ((ai = next) != NULL); +} + +static int +str_isnumber(p) + const char *p; +{ + char *q = (char *)p; + while (*q) { + if (! isdigit(*q)) + return NO; + q++; + } + return YES; +} + +int +getaddrinfo(hostname, servname, hints, res) + const char *hostname, *servname; + const struct addrinfo *hints; + struct addrinfo **res; +{ + struct addrinfo sentinel; + struct addrinfo *top = NULL; + struct addrinfo *cur; + int i, error = 0; + char pton[PTON_MAX]; + struct addrinfo ai; + struct addrinfo *pai; + u_short port; + +#ifdef FAITH + static int firsttime = 1; + + if (firsttime) { + /* translator hack */ + { + char *q = getenv("GAI"); + if (q && inet_pton(AF_INET6, q, &faith_prefix) == 1) + translate = YES; + } + firsttime = 0; + } +#endif + + /* initialize file static vars */ + sentinel.ai_next = NULL; + cur = &sentinel; + pai = &ai; + pai->ai_flags = 0; + pai->ai_family = PF_UNSPEC; + pai->ai_socktype = ANY; + pai->ai_protocol = ANY; + pai->ai_addrlen = 0; + pai->ai_canonname = NULL; + pai->ai_addr = NULL; + pai->ai_next = NULL; + port = ANY; + + if (hostname == NULL && servname == NULL) + return EAI_NONAME; + if (hints) { + /* error check for hints */ + if (hints->ai_addrlen || hints->ai_canonname || + hints->ai_addr || hints->ai_next) + ERR(EAI_BADHINTS); /* xxx */ + if (hints->ai_flags & ~AI_MASK) + ERR(EAI_BADFLAGS); + switch (hints->ai_family) { + case PF_UNSPEC: + case PF_INET: +#ifdef INET6 + case PF_INET6: +#endif + break; + default: + ERR(EAI_FAMILY); + } + memcpy(pai, hints, sizeof(*pai)); + switch (pai->ai_socktype) { + case ANY: + switch (pai->ai_protocol) { + case ANY: + break; + case IPPROTO_UDP: + pai->ai_socktype = SOCK_DGRAM; + break; + case IPPROTO_TCP: + pai->ai_socktype = SOCK_STREAM; + break; + default: + pai->ai_socktype = SOCK_RAW; + break; + } + break; + case SOCK_RAW: + break; + case SOCK_DGRAM: + if (pai->ai_protocol != IPPROTO_UDP && + pai->ai_protocol != ANY) + ERR(EAI_BADHINTS); /*xxx*/ + pai->ai_protocol = IPPROTO_UDP; + break; + case SOCK_STREAM: + if (pai->ai_protocol != IPPROTO_TCP && + pai->ai_protocol != ANY) + ERR(EAI_BADHINTS); /*xxx*/ + pai->ai_protocol = IPPROTO_TCP; + break; + default: + ERR(EAI_SOCKTYPE); + break; + } + } + + /* + * service port + */ + if (servname) { + if (str_isnumber(servname)) { + if (pai->ai_socktype == ANY) { + /* caller accept *ANY* socktype */ + pai->ai_socktype = SOCK_DGRAM; + pai->ai_protocol = IPPROTO_UDP; + } + port = htons(atoi(servname)); + } else { + struct servent *sp; + char *proto; + + proto = NULL; + switch (pai->ai_socktype) { + case ANY: + proto = NULL; + break; + case SOCK_DGRAM: + proto = "udp"; + break; + case SOCK_STREAM: + proto = "tcp"; + break; + default: + fprintf(stderr, "panic!\n"); + break; + } + if ((sp = getservbyname(servname, proto)) == NULL) + ERR(EAI_SERVICE); + port = sp->s_port; + if (pai->ai_socktype == ANY) { + if (strcmp(sp->s_proto, "udp") == 0) { + pai->ai_socktype = SOCK_DGRAM; + pai->ai_protocol = IPPROTO_UDP; + } else if (strcmp(sp->s_proto, "tcp") == 0) { + pai->ai_socktype = SOCK_STREAM; + pai->ai_protocol = IPPROTO_TCP; + } else + ERR(EAI_PROTOCOL); /*xxx*/ + } + } + } + + /* + * hostname == NULL. + * passive socket -> anyaddr (0.0.0.0 or ::) + * non-passive socket -> localhost (127.0.0.1 or ::1) + */ + if (hostname == NULL) { + struct afd *afd; + + for (afd = &afdl[0]; afd->a_af; afd++) { + if (!(pai->ai_family == PF_UNSPEC + || pai->ai_family == afd->a_af)) { + continue; + } + + if (pai->ai_flags & AI_PASSIVE) { + if (!get_ai(&cur->ai_next, pai, afd, afd->a_addrany, port)) + goto free; + /* xxx meaningless? + * GET_CANONNAME(cur->ai_next, "anyaddr"); + */ + } else { + if (!get_ai(&cur->ai_next, pai, afd, afd->a_loopback, + port)) + goto free; + /* xxx meaningless? + * GET_CANONNAME(cur->ai_next, "localhost"); + */ + } + cur = cur->ai_next; + } + top = sentinel.ai_next; + if (top) + goto good; + else + ERR(EAI_FAMILY); + } + + /* hostname as numeric name */ + for (i = 0; afdl[i].a_af; i++) { + if (inet_pton(afdl[i].a_af, hostname, pton)) { + u_long v4a; + + switch (afdl[i].a_af) { + case AF_INET: + v4a = ((struct in_addr *)pton)->s_addr; + if (IN_MULTICAST(v4a) || IN_EXPERIMENTAL(v4a)) + pai->ai_flags &= ~AI_CANONNAME; + v4a >>= IN_CLASSA_NSHIFT; + if (v4a == 0 || v4a == IN_LOOPBACKNET) + pai->ai_flags &= ~AI_CANONNAME; + break; +#ifdef INET6 + case AF_INET6: + { + u_char pfx; + pfx = ((struct in6_addr *)pton)->s6_addr[0]; + if (pfx == 0 || pfx == 0xfe || pfx == 0xff) + pai->ai_flags &= ~AI_CANONNAME; + break; + } +#endif + } + + if (pai->ai_family == afdl[i].a_af || + pai->ai_family == PF_UNSPEC) { + if (! (pai->ai_flags & AI_CANONNAME)) { + if (get_ai(&top, pai, &afdl[i], pton, port)) + goto good; + else + goto free; + } + /* + * if AI_CANONNAME and if reverse lookup + * fail, return ai anyway to pacify + * calling application. + * + * XXX getaddrinfo() is a name->address + * translation function, and it looks strange + * that we do addr->name translation here. + */ + get_name(pton, &afdl[i], &top, pton, pai, port); + goto good; + } else + ERR(EAI_FAMILY); /*xxx*/ + } + } + + if (pai->ai_flags & AI_NUMERICHOST) + ERR(EAI_NONAME); + + /* hostname as alphabetical name */ + error = get_addr(hostname, pai->ai_family, &top, pai, port); + if (error == 0) { + if (top) { + good: + *res = top; + return SUCCESS; + } else + error = EAI_FAIL; + } + free: + if (top) + freeaddrinfo(top); + bad: + *res = NULL; + return error; +} + +static int +get_name(addr, afd, res, numaddr, pai, port0) + const char *addr; + struct afd *afd; + struct addrinfo **res; + char *numaddr; + struct addrinfo *pai; + int port0; +{ + u_short port = port0 & 0xffff; + struct hostent *hp; + struct addrinfo *cur; + int error = 0; + +#ifdef INET6 + { + int h_error; + hp = getipnodebyaddr(addr, afd->a_addrlen, afd->a_af, &h_error); + } +#else + hp = gethostbyaddr(addr, afd->a_addrlen, AF_INET); +#endif + if (hp && hp->h_name && hp->h_name[0] && hp->h_addr_list[0]) { + if (!get_ai(&cur, pai, afd, hp->h_addr_list[0], port)) + goto free; + GET_CANONNAME(cur, hp->h_name); + } else { + if (!get_ai(&cur, pai, afd, numaddr, port)) + goto free; + } + +#ifdef INET6 + if (hp) + freehostent(hp); +#endif + *res = cur; + return SUCCESS; + free: + if (cur) + freeaddrinfo(cur); +#ifdef INET6 + if (hp) + freehostent(hp); +#endif + /* bad: */ + *res = NULL; + return error; +} + +static int +get_addr(hostname, af, res, pai, port0) + const char *hostname; + int af; + struct addrinfo **res; + struct addrinfo *pai; + int port0; +{ + u_short port = port0 & 0xffff; + struct addrinfo sentinel; + struct hostent *hp; + struct addrinfo *top, *cur; + struct afd *afd; + int i, error = 0, h_error; + char *ap; +#ifndef INET6 + extern int h_errno; +#endif + + top = NULL; + sentinel.ai_next = NULL; + cur = &sentinel; +#ifdef INET6 + if (af == AF_UNSPEC) { + hp = getipnodebyname(hostname, AF_INET6, + AI_ADDRCONFIG|AI_ALL|AI_V4MAPPED, &h_error); + } else + hp = getipnodebyname(hostname, af, AI_ADDRCONFIG, &h_error); +#else + hp = gethostbyname(hostname); + h_error = h_errno; +#endif + if (hp == NULL) { + switch (h_error) { + case HOST_NOT_FOUND: + case NO_DATA: + error = EAI_NODATA; + break; + case TRY_AGAIN: + error = EAI_AGAIN; + break; + case NO_RECOVERY: + default: + error = EAI_FAIL; + break; + } + goto bad; + } + + if ((hp->h_name == NULL) || (hp->h_name[0] == 0) || + (hp->h_addr_list[0] == NULL)) + ERR(EAI_FAIL); + + for (i = 0; (ap = hp->h_addr_list[i]) != NULL; i++) { + switch (af) { +#ifdef INET6 + case AF_INET6: + afd = &afdl[N_INET6]; + break; +#endif +#ifndef INET6 + default: /* AF_UNSPEC */ +#endif + case AF_INET: + afd = &afdl[N_INET]; + break; +#ifdef INET6 + default: /* AF_UNSPEC */ + if (IN6_IS_ADDR_V4MAPPED((struct in6_addr *)ap)) { + ap += sizeof(struct in6_addr) - + sizeof(struct in_addr); + afd = &afdl[N_INET]; + } else + afd = &afdl[N_INET6]; + break; +#endif + } +#ifdef FAITH + if (translate && afd->a_af == AF_INET) { + struct in6_addr *in6; + + if (!get_ai(&cur->ai_next, pai, &afdl[N_INET6], ap, port)) + goto free; + in6 = &((struct sockaddr_in6 *)cur->ai_next->ai_addr)->sin6_addr; + memcpy(&in6->s6_addr32[0], &faith_prefix, + sizeof(struct in6_addr) - sizeof(struct in_addr)); + memcpy(&in6->s6_addr32[3], ap, sizeof(struct in_addr)); + } else +#endif /* FAITH */ + if (!get_ai(&cur->ai_next, pai, afd, ap, port)) + goto free; + if (cur == &sentinel) { + top = cur->ai_next; + GET_CANONNAME(top, hp->h_name); + } + cur = cur->ai_next; + } +#ifdef INET6 + freehostent(hp); +#endif + *res = top; + return SUCCESS; + free: + if (top) + freeaddrinfo(top); +#ifdef INET6 + if (hp) + freehostent(hp); +#endif + bad: + *res = NULL; + return error; +} diff -uNr ozzylib/compat.h ozzylib-cygwin/compat.h --- ozzylib/compat.h 1970-01-01 00:00:00.000000000 +0000 +++ ozzylib-cygwin/compat.h 2003-06-15 16:38:55.000000000 +0000 @@ -0,0 +1,127 @@ +/* + * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/** + * @file addrinfo.h + * + * Replacement getaddrinfo() for machines that don't have it. The new + * getaddrinfo()/getnameinfo() interface is implemented on top of the + * traditional resolver calls. + **/ + +#ifndef HAVE_GETADDRINFO + +#ifndef EAI_ADDRFAMILY +/* + * Error return codes from getaddrinfo() + */ +#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */ +#define EAI_AGAIN 2 /* temporary failure in name resolution */ +#define EAI_BADFLAGS 3 /* invalid value for ai_flags */ +#define EAI_FAIL 4 /* non-recoverable failure in name resolution */ +#define EAI_FAMILY 5 /* ai_family not supported */ +#define EAI_MEMORY 6 /* memory allocation failure */ +#define EAI_NODATA 7 /* no address associated with hostname */ +#define EAI_NONAME 8 /* hostname nor servname provided, or not known */ +#define EAI_SERVICE 9 /* servname not supported for ai_socktype */ +#define EAI_SOCKTYPE 10 /* ai_socktype not supported */ +#define EAI_SYSTEM 11 /* system error returned in errno */ +#define EAI_BADHINTS 12 +#define EAI_PROTOCOL 13 +#define EAI_MAX 14 +#endif /* ndef EAI_ADDRFAMILY */ + +/* + * Flag values for getaddrinfo() + */ + +#ifndef AI_PASSIVE + +#define AI_PASSIVE 0x00000001 /* get address to use bind() */ +#define AI_CANONNAME 0x00000002 /* fill ai_canonname */ +#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */ +/* valid flags for addrinfo */ +#define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST) + +#define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */ +#define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */ +#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */ +#define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */ +/* special recommended flags for getipnodebyname */ +#define AI_DEFAULT (AI_V4MAPPED_CFG | AI_ADDRCONFIG) + +/* + * Constants for getnameinfo() + */ +#define NI_MAXHOST 1025 +#define NI_MAXSERV 32 + +/* + * Flag values for getnameinfo() + */ +#define NI_NOFQDN 0x00000001 +#define NI_NUMERICHOST 0x00000002 +#define NI_NAMEREQD 0x00000004 +#define NI_NUMERICSERV 0x00000008 +#define NI_DGRAM 0x00000010 + +struct addrinfo { + int ai_flags; /* AI_PASSIVE, AI_CANONNAME */ + int ai_family; /* PF_xxx */ + int ai_socktype; /* SOCK_xxx */ + int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */ + size_t ai_addrlen; /* length of ai_addr */ + char *ai_canonname; /* canonical name for hostname */ + struct sockaddr *ai_addr; /* binary address */ + struct addrinfo *ai_next; /* next structure in linked list */ +}; + +extern void freehostent(struct hostent *); +extern char *gai_strerror(int); +#endif /* AI_PASSIVE */ +#endif /* HAVE_GETADDRINFO */ + + + +#ifndef HAVE_SOCKADDR_STORAGE +struct sockaddr_storage { +#ifdef HAVE_SOCKADDR_LEN + uchar ss_len; /* address length */ + uchar ss_family; /* address family */ +#else + unsigned short ss_family; +#endif + unsigned char fill[126]; +}; +#endif /* ndef HAVE_SOCKADDR_STORAGE */ + +int inet_pton(int af, const char *src, void *dst); +const char *inet_ntop(int af, const void *src, char *dst, size_t size); +int getaddrinfo(const char *hostname, const char *servname, const struct addrinfo *hints, struct addrinfo **res); +void freeaddrinfo(struct addrinfo *ai); diff -uNr ozzylib/errno.c ozzylib-cygwin/errno.c --- ozzylib/errno.c 2003-01-02 03:17:52.000000000 +0000 +++ ozzylib-cygwin/errno.c 2003-06-15 16:59:14.000000000 +0000 @@ -4,6 +4,8 @@ /* Static array of errno codes and the appropirate message for the errno code */ static const struct oz_errno_t oz_errno_codes[] = { +#if 0 +This does not work under cygwin yet. { EPERM, "Operation not permitted" }, { ENOENT, "No such file or directory" }, { ESRCH, "No such process" }, @@ -127,6 +129,7 @@ { EDQUOT, "Disk quota exceeded" }, { ENOMEDIUM, "No medium found" }, { EMEDIUMTYPE, "Wrong medium type" }, +#endif { 0, "Success" }, /* Always last! */ }; diff -uNr ozzylib/ozzylib.h ozzylib-cygwin/ozzylib.h --- ozzylib/ozzylib.h 2003-01-02 03:17:02.000000000 +0000 +++ ozzylib-cygwin/ozzylib.h 2003-06-15 16:38:55.000000000 +0000 @@ -5,6 +5,8 @@ #define OZ_MEMFAULT -2 #define OZ_IOERROR -3 +#include "compat.h" + /* Cant find this anywhere? What ever.. it's here */ #ifndef UNIX_MAX_PATH #define UNIX_MAX_PATH 108