summaryrefslogtreecommitdiff
path: root/source4/lib
diff options
context:
space:
mode:
Diffstat (limited to 'source4/lib')
-rw-r--r--source4/lib/replace/getaddrinfo.c502
-rw-r--r--source4/lib/replace/getaddrinfo.h158
-rw-r--r--source4/lib/replace/inet_ntop.c191
-rw-r--r--source4/lib/replace/inet_ntop.m41
-rw-r--r--source4/lib/replace/inet_pton.c213
-rw-r--r--source4/lib/replace/inet_pton.m41
-rw-r--r--source4/lib/replace/libreplace.m443
-rw-r--r--source4/lib/replace/replace.h21
-rw-r--r--source4/lib/replace/system/network.h4
9 files changed, 1128 insertions, 6 deletions
diff --git a/source4/lib/replace/getaddrinfo.c b/source4/lib/replace/getaddrinfo.c
new file mode 100644
index 0000000000..519c30066b
--- /dev/null
+++ b/source4/lib/replace/getaddrinfo.c
@@ -0,0 +1,502 @@
+/*
+PostgreSQL Database Management System
+(formerly known as Postgres, then as Postgres95)
+
+Portions Copyright (c) 1996-2005, The PostgreSQL Global Development Group
+
+Portions Copyright (c) 1994, The Regents of the University of California
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose, without fee, and without a written agreement
+is hereby granted, provided that the above copyright notice and this paragraph
+and the following two paragraphs appear in all copies.
+
+IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
+DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
+LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
+EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS
+TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+
+*/
+
+/*-------------------------------------------------------------------------
+ *
+ * getaddrinfo.c
+ * Support getaddrinfo() on platforms that don't have it.
+ *
+ * We also supply getnameinfo() here, assuming that the platform will have
+ * it if and only if it has getaddrinfo(). If this proves false on some
+ * platform, we'll need to split this file and provide a separate configure
+ * test for getnameinfo().
+ *
+ * Copyright (c) 2003-2007, PostgreSQL Global Development Group
+ *
+ * Copyright (C) 2007 Jeremy Allison.
+ * Modified to return multiple IPv4 addresses for Samba.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "replace.h"
+#include "system/network.h"
+
+#ifndef SMB_MALLOC
+#define SMB_MALLOC(s) malloc(s)
+#endif
+
+#ifndef SMB_STRDUP
+#define SMB_STRDUP(s) strdup(s)
+#endif
+
+static int check_hostent_err(struct hostent *hp)
+{
+ if (!hp) {
+ switch (h_errno) {
+ case HOST_NOT_FOUND:
+ case NO_DATA:
+ return EAI_NONAME;
+ case TRY_AGAIN:
+ return EAI_AGAIN;
+ case NO_RECOVERY:
+ default:
+ return EAI_FAIL;
+ }
+ }
+ if (!hp->h_name || hp->h_addrtype != AF_INET) {
+ return EAI_FAIL;
+ }
+ return 0;
+}
+
+static char *canon_name_from_hostent(struct hostent *hp,
+ int *perr)
+{
+ char *ret = NULL;
+
+ *perr = check_hostent_err(hp);
+ if (*perr) {
+ return NULL;
+ }
+ ret = SMB_STRDUP(hp->h_name);
+ if (!ret) {
+ *perr = EAI_MEMORY;
+ }
+ return ret;
+}
+
+static char *get_my_canon_name(int *perr)
+{
+ char name[HOST_NAME_MAX+1];
+
+ if (gethostname(name, HOST_NAME_MAX) == -1) {
+ *perr = EAI_FAIL;
+ return NULL;
+ }
+ /* Ensure null termination. */
+ name[HOST_NAME_MAX] = '\0';
+ return canon_name_from_hostent(gethostbyname(name), perr);
+}
+
+static char *get_canon_name_from_addr(struct in_addr ip,
+ int *perr)
+{
+ return canon_name_from_hostent(
+ gethostbyaddr(&ip, sizeof(ip), AF_INET),
+ perr);
+}
+
+static struct addrinfo *alloc_entry(const struct addrinfo *hints,
+ struct in_addr ip,
+ unsigned short port)
+{
+ struct sockaddr_in *psin = NULL;
+ struct addrinfo *ai = SMB_MALLOC(sizeof(*ai));
+
+ if (!ai) {
+ return NULL;
+ }
+ memset(ai, '\0', sizeof(*ai));
+
+ psin = SMB_MALLOC(sizeof(*psin));
+ if (!psin) {
+ free(ai);
+ return NULL;
+ }
+
+ memset(psin, '\0', sizeof(*psin));
+
+ psin->sin_family = AF_INET;
+ psin->sin_port = htons(port);
+ psin->sin_addr = ip;
+
+ ai->ai_flags = 0;
+ ai->ai_family = AF_INET;
+ ai->ai_socktype = hints->ai_socktype;
+ ai->ai_protocol = hints->ai_protocol;
+ ai->ai_addrlen = sizeof(*psin);
+ ai->ai_addr = (struct sockaddr *) psin;
+ ai->ai_canonname = NULL;
+ ai->ai_next = NULL;
+
+ return ai;
+}
+
+/*
+ * get address info for a single ipv4 address.
+ *
+ * Bugs: - servname can only be a number, not text.
+ */
+
+static int getaddr_info_single_addr(const char *service,
+ uint32_t addr,
+ const struct addrinfo *hints,
+ struct addrinfo **res)
+{
+
+ struct addrinfo *ai = NULL;
+ struct in_addr ip;
+ unsigned short port = 0;
+
+ if (service) {
+ port = (unsigned short)atoi(service);
+ }
+ ip.s_addr = htonl(addr);
+
+ ai = alloc_entry(hints, ip, port);
+ if (!ai) {
+ return EAI_MEMORY;
+ }
+
+ /* If we're asked for the canonical name,
+ * make sure it returns correctly. */
+ if (!(hints->ai_flags & AI_NUMERICSERV) &&
+ hints->ai_flags & AI_CANONNAME) {
+ int err;
+ if (addr == INADDR_LOOPBACK || addr == INADDR_ANY) {
+ ai->ai_canonname = get_my_canon_name(&err);
+ } else {
+ ai->ai_canonname =
+ get_canon_name_from_addr(ip,&err);
+ }
+ if (ai->ai_canonname == NULL) {
+ freeaddrinfo(ai);
+ return err;
+ }
+ }
+
+ *res = ai;
+ return 0;
+}
+
+/*
+ * get address info for multiple ipv4 addresses.
+ *
+ * Bugs: - servname can only be a number, not text.
+ */
+
+static int getaddr_info_name(const char *node,
+ const char *service,
+ const struct addrinfo *hints,
+ struct addrinfo **res)
+{
+ struct addrinfo *listp = NULL, *prevp = NULL;
+ char **pptr = NULL;
+ int err;
+ struct hostent *hp = NULL;
+ unsigned short port = 0;
+
+ if (service) {
+ port = (unsigned short)atoi(service);
+ }
+
+ hp = gethostbyname(node);
+ err = check_hostent_err(hp);
+ if (err) {
+ return err;
+ }
+
+ for(pptr = hp->h_addr_list; *pptr; pptr++) {
+ struct in_addr ip = *(struct in_addr *)pptr;
+ struct addrinfo *ai = alloc_entry(hints, ip, port);
+
+ if (!ai) {
+ freeaddrinfo(listp);
+ return EAI_MEMORY;
+ }
+
+ if (!listp) {
+ listp = ai;
+ prevp = ai;
+ ai->ai_canonname = SMB_STRDUP(hp->h_name);
+ if (!ai->ai_canonname) {
+ freeaddrinfo(listp);
+ return EAI_MEMORY;
+ }
+ } else {
+ prevp->ai_next = ai;
+ prevp = ai;
+ }
+ }
+ *res = listp;
+ return 0;
+}
+
+/*
+ * get address info for ipv4 sockets.
+ *
+ * Bugs: - servname can only be a number, not text.
+ */
+
+int getaddrinfo(const char *node,
+ const char *service,
+ const struct addrinfo * hintp,
+ struct addrinfo ** res)
+{
+ struct addrinfo hints;
+
+ /* Setup the hints struct. */
+ if (hintp == NULL) {
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = AF_INET;
+ hints.ai_socktype = SOCK_STREAM;
+ } else {
+ memcpy(&hints, hintp, sizeof(hints));
+ }
+
+ if (hints.ai_family != AF_INET && hints.ai_family != AF_UNSPEC) {
+ return EAI_FAMILY;
+ }
+
+ if (hints.ai_socktype == 0) {
+ hints.ai_socktype = SOCK_STREAM;
+ }
+
+ if (!node && !service) {
+ return EAI_NONAME;
+ }
+
+ if (node) {
+ if (node[0] == '\0') {
+ return getaddr_info_single_addr(service,
+ INADDR_ANY,
+ &hints,
+ res);
+ } else if (hints.ai_flags & AI_NUMERICHOST) {
+ struct in_addr ip;
+ if (!inet_aton(node, &ip)) {
+ return EAI_FAIL;
+ }
+ return getaddr_info_single_addr(service,
+ ntohl(ip.s_addr),
+ &hints,
+ res);
+ } else {
+ return getaddr_info_name(node,
+ service,
+ &hints,
+ res);
+ }
+ } else if (hints.ai_flags & AI_PASSIVE) {
+ return getaddr_info_single_addr(service,
+ INADDR_ANY,
+ &hints,
+ res);
+ }
+ return getaddr_info_single_addr(service,
+ INADDR_LOOPBACK,
+ &hints,
+ res);
+}
+
+
+void freeaddrinfo(struct addrinfo *res)
+{
+ struct addrinfo *next = NULL;
+
+ for (;res; res = next) {
+ next = res->ai_next;
+ if (res->ai_canonname) {
+ free(res->ai_canonname);
+ }
+ if (res->ai_addr) {
+ free(res->ai_addr);
+ }
+ free(res);
+ }
+}
+
+
+const char *gai_strerror(int errcode)
+{
+#ifdef HAVE_HSTRERROR
+ int hcode;
+
+ switch (errcode)
+ {
+ case EAI_NONAME:
+ hcode = HOST_NOT_FOUND;
+ break;
+ case EAI_AGAIN:
+ hcode = TRY_AGAIN;
+ break;
+ case EAI_FAIL:
+ default:
+ hcode = NO_RECOVERY;
+ break;
+ }
+
+ return hstrerror(hcode);
+#else /* !HAVE_HSTRERROR */
+
+ switch (errcode)
+ {
+ case EAI_NONAME:
+ return "Unknown host";
+ case EAI_AGAIN:
+ return "Host name lookup failure";
+#ifdef EAI_BADFLAGS
+ case EAI_BADFLAGS:
+ return "Invalid argument";
+#endif
+#ifdef EAI_FAMILY
+ case EAI_FAMILY:
+ return "Address family not supported";
+#endif
+#ifdef EAI_MEMORY
+ case EAI_MEMORY:
+ return "Not enough memory";
+#endif
+#ifdef EAI_NODATA
+ case EAI_NODATA:
+ return "No host data of that type was found";
+#endif
+#ifdef EAI_SERVICE
+ case EAI_SERVICE:
+ return "Class type not found";
+#endif
+#ifdef EAI_SOCKTYPE
+ case EAI_SOCKTYPE:
+ return "Socket type not supported";
+#endif
+ default:
+ return "Unknown server error";
+ }
+#endif /* HAVE_HSTRERROR */
+}
+
+static int gethostnameinfo(const struct sockaddr *sa,
+ char *node,
+ size_t nodelen,
+ int flags)
+{
+ int ret = -1;
+ char *p = NULL;
+
+ if (!(flags & NI_NUMERICHOST)) {
+ struct hostent *hp = gethostbyaddr(
+ &((struct sockaddr_in *)sa)->sin_addr,
+ sizeof(struct in_addr),
+ sa->sa_family);
+ ret = check_hostent_err(hp);
+ if (ret == 0) {
+ /* Name looked up successfully. */
+ ret = snprintf(node, nodelen, "%s", hp->h_name);
+ if (ret == -1 || ret > nodelen) {
+ return EAI_MEMORY;
+ }
+ if (flags & NI_NOFQDN) {
+ p = strchr(node,'.');
+ if (p) {
+ *p = '\0';
+ }
+ }
+ return 0;
+ }
+
+ if (flags & NI_NAMEREQD) {
+ /* If we require a name and didn't get one,
+ * automatically fail. */
+ return ret;
+ }
+ /* Otherwise just fall into the numeric host code... */
+ }
+ p = inet_ntoa(((struct sockaddr_in *)sa)->sin_addr);
+ ret = snprintf(node, nodelen, "%s", p);
+ if (ret == -1 || ret > nodelen) {
+ return EAI_MEMORY;
+ }
+ return 0;
+}
+
+static int getservicenameinfo(const struct sockaddr *sa,
+ char *service,
+ size_t servicelen,
+ int flags)
+{
+ int ret = -1;
+ int port = ntohs(((struct sockaddr_in *)sa)->sin_port);
+
+ if (!(flags & NI_NUMERICSERV)) {
+ struct servent *se = getservbyport(
+ port,
+ (flags & NI_DGRAM) ? "udp" : "tcp");
+ if (se && se->s_name) {
+ /* Service name looked up successfully. */
+ ret = snprintf(service, servicelen, "%s", se->s_name);
+ if (ret == -1 || ret > servicelen) {
+ return EAI_MEMORY;
+ }
+ return 0;
+ }
+ /* Otherwise just fall into the numeric service code... */
+ }
+ ret = snprintf(service, servicelen, "%d", port);
+ if (ret == -1 || ret > servicelen) {
+ return EAI_MEMORY;
+ }
+ return 0;
+}
+
+/*
+ * Convert an ipv4 address to a hostname.
+ *
+ * Bugs: - No IPv6 support.
+ */
+int getnameinfo(const struct sockaddr *sa, socklen_t salen,
+ char *node, size_t nodelen,
+ char *service, size_t servicelen, int flags)
+{
+
+ /* Invalid arguments. */
+ if (sa == NULL || (node == NULL && service == NULL)) {
+ return EAI_FAIL;
+ }
+
+ if (sa->sa_family != AF_INET) {
+ return EAI_FAIL;
+ }
+
+ if (salen < sizeof(struct sockaddr_in)) {
+ return EAI_FAIL;
+ }
+
+ /* We don't support those. */
+ if ((node && !(flags & NI_NUMERICHOST))
+ || (service && !(flags & NI_NUMERICSERV)))
+ return EAI_FAIL;
+
+ if (node) {
+ return gethostnameinfo(sa, node, nodelen, flags);
+ }
+
+ if (service) {
+ return getservicenameinfo(sa, service, servicelen, flags);
+ }
+ return 0;
+}
diff --git a/source4/lib/replace/getaddrinfo.h b/source4/lib/replace/getaddrinfo.h
new file mode 100644
index 0000000000..ed678bd065
--- /dev/null
+++ b/source4/lib/replace/getaddrinfo.h
@@ -0,0 +1,158 @@
+/*
+PostgreSQL Database Management System
+(formerly known as Postgres, then as Postgres95)
+
+Portions Copyright (c) 1996-2005, The PostgreSQL Global Development Group
+
+Portions Copyright (c) 1994, The Regents of the University of California
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose, without fee, and without a written agreement
+is hereby granted, provided that the above copyright notice and this paragraph
+and the following two paragraphs appear in all copies.
+
+IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
+DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING
+LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION,
+EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS
+TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+
+*/
+
+/*-------------------------------------------------------------------------
+ *
+ * getaddrinfo.h
+ * Support getaddrinfo() on platforms that don't have it.
+ *
+ * Note: we use our own routines on platforms that don't HAVE_STRUCT_ADDRINFO,
+ * whether or not the library routine getaddrinfo() can be found. This
+ * policy is needed because on some platforms a manually installed libbind.a
+ * may provide getaddrinfo(), yet the system headers may not provide the
+ * struct definitions needed to call it. To avoid conflict with the libbind
+ * definition in such cases, we rename our routines to pg_xxx() via macros.
+ *
+ * This code will also work on platforms where struct addrinfo is defined
+ * in the system headers but no getaddrinfo() can be located.
+ *
+ * Copyright (c) 2003-2007, PostgreSQL Global Development Group
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef GETADDRINFO_H
+#define GETADDRINFO_H
+
+
+/* Various macros that ought to be in <netdb.h>, but might not be */
+
+#ifndef EAI_FAIL
+#define EAI_BADFLAGS (-1)
+#define EAI_NONAME (-2)
+#define EAI_AGAIN (-3)
+#define EAI_FAIL (-4)
+#define EAI_FAMILY (-6)
+#define EAI_SOCKTYPE (-7)
+#define EAI_SERVICE (-8)
+#define EAI_MEMORY (-10)
+#define EAI_SYSTEM (-11)
+#endif /* !EAI_FAIL */
+
+#ifndef AI_PASSIVE
+#define AI_PASSIVE 0x0001
+#endif
+
+#ifndef AI_NUMERICHOST
+/*
+ * some platforms don't support AI_NUMERICHOST; define as zero if using
+ * the system version of getaddrinfo...
+ */
+#if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
+#define AI_NUMERICHOST 0
+#else
+#define AI_NUMERICHOST 0x0004
+#endif
+#endif
+
+#ifndef NI_NUMERICHOST
+#define NI_NUMERICHOST 1
+#endif
+
+#ifndef NI_NUMERICSERV
+#define NI_NUMERICSERV 2
+#endif
+
+#ifndef NI_NOFQDN
+#define NI_NOFQDN 4
+#endif
+
+#ifndef NI_NAMEREQD
+#define NI_NAMEREQD 8
+#endif
+
+#ifndef NI_DGRAM
+#define NI_DGRAM 16
+#endif
+
+
+#ifndef NI_MAXHOST
+#define NI_MAXHOST 1025
+#endif
+
+#ifndef NI_MAXSERV
+#define NI_MAXSERV 32
+#endif
+
+#ifndef HAVE_STRUCT_ADDRINFO
+
+struct addrinfo
+{
+ int ai_flags;
+ int ai_family;
+ int ai_socktype;
+ int ai_protocol;
+ size_t ai_addrlen;
+ struct sockaddr *ai_addr;
+ char *ai_canonname;
+ struct addrinfo *ai_next;
+};
+#endif /* HAVE_STRUCT_ADDRINFO */
+
+
+#ifndef HAVE_GETADDRINFO
+
+/* Rename private copies per comments above */
+#ifdef getaddrinfo
+#undef getaddrinfo
+#endif
+#define getaddrinfo pg_getaddrinfo
+
+#ifdef freeaddrinfo
+#undef freeaddrinfo
+#endif
+#define freeaddrinfo pg_freeaddrinfo
+
+#ifdef gai_strerror
+#undef gai_strerror
+#endif
+#define gai_strerror pg_gai_strerror
+
+#ifdef getnameinfo
+#undef getnameinfo
+#endif
+#define getnameinfo pg_getnameinfo
+
+extern int getaddrinfo(const char *node, const char *service,
+ const struct addrinfo * hints, struct addrinfo ** res);
+extern void freeaddrinfo(struct addrinfo * res);
+extern const char *gai_strerror(int errcode);
+extern int getnameinfo(const struct sockaddr * sa, socklen_t salen,
+ char *node, size_t nodelen,
+ char *service, size_t servicelen, int flags);
+#endif /* HAVE_GETADDRINFO */
+
+#endif /* GETADDRINFO_H */
diff --git a/source4/lib/replace/inet_ntop.c b/source4/lib/replace/inet_ntop.c
new file mode 100644
index 0000000000..fb3d8e90c8
--- /dev/null
+++ b/source4/lib/replace/inet_ntop.c
@@ -0,0 +1,191 @@
+/*
+ * 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 "replace.h"
+#include "system/network.h"
+
+#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,
+ socklen_t size);
+
+#ifdef AF_INET6
+static const char *inet_ntop6(const unsigned char *src, char *dst,
+ socklen_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 *
+rep_inet_ntop(int af, const void *src, char *dst, socklen_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, socklen_t size)
+{
+ static const char *fmt = "%u.%u.%u.%u";
+ char tmp[sizeof "255.255.255.255"];
+ size_t len;
+
+ len = snprintf(tmp, sizeof tmp, fmt, src[0], src[1], src[2], src[3]);
+ if (len >= size) {
+ errno = ENOSPC;
+ return (NULL);
+ }
+ memcpy(dst, tmp, len + 1);
+
+ 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, socklen_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, inc;
+
+ /*
+ * 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;
+ best.len = 0;
+ cur.base = -1;
+ cur.len = 0;
+ 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;
+ }
+ inc = snprintf(tp, 5, "%x", words[i]);
+ if (inc >= 5) {
+ abort();
+ }
+ tp += inc;
+ }
+ /* 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);
+ }
+ memcpy(dst, tmp, tp - tmp);
+ return (dst);
+}
+#endif /* AF_INET6 */
diff --git a/source4/lib/replace/inet_ntop.m4 b/source4/lib/replace/inet_ntop.m4
new file mode 100644
index 0000000000..6f39056f1d
--- /dev/null
+++ b/source4/lib/replace/inet_ntop.m4
@@ -0,0 +1 @@
+AC_CHECK_FUNCS(inet_ntop,[],[LIBREPLACEOBJ="${LIBREPLACEOBJ} inet_ntop.o"])
diff --git a/source4/lib/replace/inet_pton.c b/source4/lib/replace/inet_pton.c
new file mode 100644
index 0000000000..80e4865ef4
--- /dev/null
+++ b/source4/lib/replace/inet_pton.c
@@ -0,0 +1,213 @@
+/*
+ * 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 "replace.h"
+#include "system/network.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 AF_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
+rep_inet_pton(int af,
+ const char *src,
+ void *dst)
+{
+ switch (af) {
+ case AF_INET:
+ return (inet_pton4(src, dst));
+#ifdef AF_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 AF_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
diff --git a/source4/lib/replace/inet_pton.m4 b/source4/lib/replace/inet_pton.m4
new file mode 100644
index 0000000000..51de9275d0
--- /dev/null
+++ b/source4/lib/replace/inet_pton.m4
@@ -0,0 +1 @@
+AC_CHECK_FUNCS(inet_pton,[],[LIBREPLACEOBJ="${LIBREPLACEOBJ} inet_pton.o"])
diff --git a/source4/lib/replace/libreplace.m4 b/source4/lib/replace/libreplace.m4
index a6b1c4f5e6..29ec2acdab 100644
--- a/source4/lib/replace/libreplace.m4
+++ b/source4/lib/replace/libreplace.m4
@@ -137,6 +137,45 @@ if test x"$samba_cv_REPLACE_INET_NTOA" = x"yes"; then
AC_DEFINE(REPLACE_INET_NTOA,1,[Whether inet_ntoa should be replaced])
fi
+dnl test for struct addrinfo
+AC_CACHE_CHECK([for struct addrinfo],samba_cv_HAVE_STRUCT_ADDRINFO,[
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>],
+[
+struct addrinfo ai;
+],
+samba_cv_HAVE_STRUCT_ADDRINFO=yes,samba_cv_HAVE_STRUCT_ADDRINFO=no)])
+if test x"$samba_cv_HAVE_STRUCT_ADDRINFO" = x"yes"; then
+ AC_DEFINE(HAVE_STRUCT_ADDRINFO,1,[Whether the system has struct addrinfo])
+fi
+
+dnl test for getaddrinfo/getnameinfo
+AC_CACHE_CHECK([for getaddrinfo],samba_cv_HAVE_GETADDRINFO,[
+AC_TRY_COMPILE([
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netdb.h>],
+[
+struct sockaddr sa;
+struct addrinfo *ai = NULL;
+int ret = getaddrinfo(NULL, NULL, NULL, &ai);
+if (ret != 0) {
+ const char *es = gai_strerror(ret);
+}
+freeaddrinfo(ai);
+ret = getnameinfo(&sa, sizeof(sa),
+ NULL, 0,
+ NULL, 0, 0);
+
+],
+samba_cv_HAVE_GETADDRINFO=yes,samba_cv_HAVE_GETADDRINFO=no)])
+if test x"$samba_cv_HAVE_GETADDRINFO" = x"yes"; then
+ AC_DEFINE(HAVE_GETADDRINFO,1,[Whether the system has getaddrinfo and getnameinfo])
+fi
+
+
dnl Provided by replace.c:
AC_TRY_COMPILE([
#include <sys/types.h>
@@ -304,7 +343,7 @@ AC_TRY_COMPILE([
samba_cv_HAVE_OPEN_O_DIRECT=yes,samba_cv_HAVE_OPEN_O_DIRECT=no)])
if test x"$samba_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then
AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT])
-fi
+fi
dnl Check if the C compiler understands volatile (it should, being ANSI).
@@ -322,6 +361,8 @@ m4_include(getpass.m4)
m4_include(strptime.m4)
m4_include(win32.m4)
m4_include(timegm.m4)
+m4_include(inet_ntop.m4)
+m4_include(inet_pton.m4)
m4_include(repdir.m4)
AC_CHECK_FUNCS([syslog memset memcpy],,[AC_MSG_ERROR([Required function not found])])
diff --git a/source4/lib/replace/replace.h b/source4/lib/replace/replace.h
index af05516e8c..26e39ac603 100644
--- a/source4/lib/replace/replace.h
+++ b/source4/lib/replace/replace.h
@@ -1,15 +1,16 @@
-/*
+/*
Unix SMB/CIFS implementation.
macros to go along with the lib/replace/ portability layer code
Copyright (C) Andrew Tridgell 2005
Copyright (C) Jelmer Vernooij 2006
+ Copyright (C) Jeremy Allison 2007.
** NOTE! The following LGPL license applies to the replace
** library. This does NOT imply that all of Samba is released
** under the LGPL
-
+
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
@@ -71,7 +72,6 @@
#include <stddef.h>
#endif
-
#ifndef HAVE_STRERROR
extern char *sys_errlist[];
#define strerror(i) sys_errlist[i]
@@ -139,7 +139,7 @@ int setenv(const char *name, const char *value, int overwrite);
#ifndef HAVE_UNSETENV
#define unsetenv rep_unsetenv
-int rep_unsetenv(const char *name);
+int rep_unsetenv(const char *name);
#endif
#ifndef HAVE_SETEUID
@@ -163,7 +163,7 @@ char *rep_strcasestr(const char *haystack, const char *needle);
#endif
#ifndef HAVE_STRTOK_R
-#define strtok_r rep_strtok_r
+#define strtok_r rep_strtok_r
char *rep_strtok_r(char *s, const char *delim, char **save_ptr);
#endif
@@ -330,6 +330,17 @@ ssize_t rep_pread(int __fd, void *__buf, size_t __nbytes, off_t __offset);
ssize_t rep_pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset);
#endif
+#ifndef HAVE_INET_PTON
+int rep_inet_pton(int af, const char *src, void *dst);
+#define inet_pton rep_inet_pton
+#endif
+
+#ifndef HAVE_INET_NTOP
+#include "system/network.h"
+const char *rep_inet_ntop(int af, const void *src, char *dst, socklen_t size);
+#define inet_ntop rep_inet_ntop
+#endif
+
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
diff --git a/source4/lib/replace/system/network.h b/source4/lib/replace/system/network.h
index 7469040b28..877f5f25e6 100644
--- a/source4/lib/replace/system/network.h
+++ b/source4/lib/replace/system/network.h
@@ -49,6 +49,10 @@
#include <netinet/tcp.h>
#endif
+#if !defined(HAVE_GETADDRINFO)
+#include "getaddrinfo.h"
+#endif
+
/*
* The next three defines are needed to access the IPTOS_* options
* on some systems.
generated by cgit (git 2.34.1) at 2024-12-15 04:44:26 +0000