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-rw-r--r--camel/camel-net-utils.c781
1 files changed, 781 insertions, 0 deletions
diff --git a/camel/camel-net-utils.c b/camel/camel-net-utils.c
new file mode 100644
index 0000000000..a4d8159389
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+++ b/camel/camel-net-utils.c
@@ -0,0 +1,781 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Authors: Michael Zucchi <notzed@ximian.com>
+ * Jeffrey Stedfast <fejj@ximian.com>
+ * Chris Toshok <toshok@ximian.com>
+ *
+ * Copyright (C) 2004 Ximian Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/poll.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <errno.h>
+
+#include <glib.h>
+
+#include "camel-i18n.h"
+#include "camel-operation.h"
+#include "camel-exception.h"
+#include "camel-net-utils.h"
+
+#include "libedataserver/e-msgport.h"
+
+#define d(x)
+
+/* gethostbyname emulation code for emulating getaddrinfo code ...
+
+This should probably go away */
+
+#ifdef NEED_ADDRINFO
+
+#if !defined (HAVE_GETHOSTBYNAME_R) || !defined (HAVE_GETHOSTBYADDR_R)
+G_LOCK_DEFINE_STATIC (gethost_mutex);
+#endif
+
+#define ALIGN(x) (((x) + (sizeof (char *) - 1)) & ~(sizeof (char *) - 1))
+
+#define GETHOST_PROCESS(h, host, buf, buflen, herr) G_STMT_START { \
+ int num_aliases = 0, num_addrs = 0; \
+ int req_length; \
+ char *p; \
+ int i; \
+ \
+ /* check to make sure we have enough room in our buffer */ \
+ req_length = 0; \
+ if (h->h_aliases) { \
+ for (i = 0; h->h_aliases[i]; i++) \
+ req_length += strlen (h->h_aliases[i]) + 1; \
+ num_aliases = i; \
+ } \
+ \
+ if (h->h_addr_list) { \
+ for (i = 0; h->h_addr_list[i]; i++) \
+ req_length += h->h_length; \
+ num_addrs = i; \
+ } \
+ \
+ req_length += sizeof (char *) * (num_aliases + 1); \
+ req_length += sizeof (char *) * (num_addrs + 1); \
+ req_length += strlen (h->h_name) + 1; \
+ \
+ if (buflen < req_length) { \
+ *herr = ERANGE; \
+ G_UNLOCK (gethost_mutex); \
+ return ERANGE; \
+ } \
+ \
+ /* we store the alias/addr pointers in the buffer */ \
+ /* their addresses here. */ \
+ p = buf; \
+ if (num_aliases) { \
+ host->h_aliases = (char **) p; \
+ p += sizeof (char *) * (num_aliases + 1); \
+ } else \
+ host->h_aliases = NULL; \
+ \
+ if (num_addrs) { \
+ host->h_addr_list = (char **) p; \
+ p += sizeof (char *) * (num_addrs + 1); \
+ } else \
+ host->h_addr_list = NULL; \
+ \
+ /* copy the host name into the buffer */ \
+ host->h_name = p; \
+ strcpy (p, h->h_name); \
+ p += strlen (h->h_name) + 1; \
+ host->h_addrtype = h->h_addrtype; \
+ host->h_length = h->h_length; \
+ \
+ /* copy the aliases/addresses into the buffer */ \
+ /* and assign pointers into the hostent */ \
+ *p = 0; \
+ if (num_aliases) { \
+ for (i = 0; i < num_aliases; i++) { \
+ strcpy (p, h->h_aliases[i]); \
+ host->h_aliases[i] = p; \
+ p += strlen (h->h_aliases[i]); \
+ } \
+ host->h_aliases[num_aliases] = NULL; \
+ } \
+ \
+ if (num_addrs) { \
+ for (i = 0; i < num_addrs; i++) { \
+ memcpy (p, h->h_addr_list[i], h->h_length); \
+ host->h_addr_list[i] = p; \
+ p += h->h_length; \
+ } \
+ host->h_addr_list[num_addrs] = NULL; \
+ } \
+} G_STMT_END
+
+
+#ifdef ENABLE_IPv6
+/* some helpful utils for IPv6 lookups */
+#define IPv6_BUFLEN_MIN (sizeof (char *) * 3)
+
+static int
+ai_to_herr (int error)
+{
+ switch (error) {
+ case EAI_NONAME:
+ case EAI_FAIL:
+ return HOST_NOT_FOUND;
+ break;
+ case EAI_SERVICE:
+ return NO_DATA;
+ break;
+ case EAI_ADDRFAMILY:
+ return NO_ADDRESS;
+ break;
+ case EAI_NODATA:
+ return NO_DATA;
+ break;
+ case EAI_MEMORY:
+ return ENOMEM;
+ break;
+ case EAI_AGAIN:
+ return TRY_AGAIN;
+ break;
+ case EAI_SYSTEM:
+ return errno;
+ break;
+ default:
+ return NO_RECOVERY;
+ break;
+ }
+}
+
+#endif /* ENABLE_IPv6 */
+
+static int
+camel_gethostbyname_r (const char *name, struct hostent *host,
+ char *buf, size_t buflen, int *herr)
+{
+#ifdef ENABLE_IPv6
+ struct addrinfo hints, *res;
+ int retval, len;
+ char *addr;
+
+ memset (&hints, 0, sizeof (struct addrinfo));
+#ifdef HAVE_AI_ADDRCONFIG
+ hints.ai_flags = AI_CANONNAME | AI_ADDRCONFIG;
+#else
+ hints.ai_flags = AI_CANONNAME;
+#endif
+ hints.ai_family = PF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = IPPROTO_TCP;
+
+ if ((retval = getaddrinfo (name, NULL, &hints, &res)) != 0) {
+ *herr = ai_to_herr (retval);
+ return -1;
+ }
+
+ len = ALIGN (strlen (res->ai_canonname) + 1);
+ if (buflen < IPv6_BUFLEN_MIN + len + res->ai_addrlen + sizeof (char *))
+ return ERANGE;
+
+ /* h_name */
+ strcpy (buf, res->ai_canonname);
+ host->h_name = buf;
+ buf += len;
+
+ /* h_aliases */
+ ((char **) buf)[0] = NULL;
+ host->h_aliases = (char **) buf;
+ buf += sizeof (char *);
+
+ /* h_addrtype and h_length */
+ host->h_length = res->ai_addrlen;
+ if (res->ai_family == PF_INET6) {
+ host->h_addrtype = AF_INET6;
+
+ addr = (char *) &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr;
+ } else {
+ host->h_addrtype = AF_INET;
+
+ addr = (char *) &((struct sockaddr_in *) res->ai_addr)->sin_addr;
+ }
+
+ memcpy (buf, addr, host->h_length);
+ addr = buf;
+ buf += ALIGN (host->h_length);
+
+ /* h_addr_list */
+ ((char **) buf)[0] = addr;
+ ((char **) buf)[1] = NULL;
+ host->h_addr_list = (char **) buf;
+
+ freeaddrinfo (res);
+
+ return 0;
+#else /* No support for IPv6 addresses */
+#ifdef HAVE_GETHOSTBYNAME_R
+#ifdef GETHOSTBYNAME_R_FIVE_ARGS
+ if (gethostbyname_r (name, host, buf, buflen, herr))
+ return 0;
+ else
+ return errno;
+#else
+ struct hostent *hp;
+ int retval;
+
+ retval = gethostbyname_r (name, host, buf, buflen, &hp, herr);
+ if (hp != NULL) {
+ *herr = 0;
+ } else if (retval == 0) {
+ /* glibc 2.3.2 workaround - it seems that
+ * gethostbyname_r will sometimes return 0 on fail and
+ * not set the hostent values (hence the crash in bug
+ * #56337). Hopefully we can depend on @hp being NULL
+ * in this error case like we do with
+ * gethostbyaddr_r().
+ */
+ retval = -1;
+ }
+
+ return retval;
+#endif
+#else /* No support for gethostbyname_r */
+ struct hostent *h;
+
+ G_LOCK (gethost_mutex);
+
+ h = gethostbyname (name);
+
+ if (!h) {
+ *herr = h_errno;
+ G_UNLOCK (gethost_mutex);
+ return -1;
+ }
+
+ GETHOST_PROCESS (h, host, buf, buflen, herr);
+
+ G_UNLOCK (gethost_mutex);
+
+ return 0;
+#endif /* HAVE_GETHOSTBYNAME_R */
+#endif /* ENABLE_IPv6 */
+}
+
+static int
+camel_gethostbyaddr_r (const char *addr, int addrlen, int type, struct hostent *host,
+ char *buf, size_t buflen, int *herr)
+{
+#ifdef ENABLE_IPv6
+ int retval, len;
+
+ if ((retval = getnameinfo (addr, addrlen, buf, buflen, NULL, 0, NI_NAMEREQD)) != 0) {
+ *herr = ai_to_herr (retval);
+ return -1;
+ }
+
+ len = ALIGN (strlen (buf) + 1);
+ if (buflen < IPv6_BUFLEN_MIN + len + addrlen + sizeof (char *))
+ return ERANGE;
+
+ /* h_name */
+ host->h_name = buf;
+ buf += len;
+
+ /* h_aliases */
+ ((char **) buf)[0] = NULL;
+ host->h_aliases = (char **) buf;
+ buf += sizeof (char *);
+
+ /* h_addrtype and h_length */
+ host->h_length = addrlen;
+ host->h_addrtype = type;
+
+ memcpy (buf, addr, host->h_length);
+ addr = buf;
+ buf += ALIGN (host->h_length);
+
+ /* h_addr_list */
+ ((char **) buf)[0] = addr;
+ ((char **) buf)[1] = NULL;
+ host->h_addr_list = (char **) buf;
+
+ return 0;
+#else /* No support for IPv6 addresses */
+#ifdef HAVE_GETHOSTBYADDR_R
+#ifdef GETHOSTBYADDR_R_SEVEN_ARGS
+ if (gethostbyaddr_r (addr, addrlen, type, host, buf, buflen, herr))
+ return 0;
+ else
+ return errno;
+#else
+ struct hostent *hp;
+ int retval;
+
+ retval = gethostbyaddr_r (addr, addrlen, type, host, buf, buflen, &hp, herr);
+ if (hp != NULL) {
+ *herr = 0;
+ retval = 0;
+ } else if (retval == 0) {
+ /* glibc 2.3.2 workaround - it seems that
+ * gethostbyaddr_r will sometimes return 0 on fail and
+ * fill @host with garbage strings from /etc/hosts
+ * (failure to parse the file? who knows). Luckily, it
+ * seems that we can rely on @hp being NULL on
+ * fail.
+ */
+ retval = -1;
+ }
+
+ return retval;
+#endif
+#else /* No support for gethostbyaddr_r */
+ struct hostent *h;
+
+ G_LOCK (gethost_mutex);
+
+ h = gethostbyaddr (addr, addrlen, type);
+
+ if (!h) {
+ *herr = h_errno;
+ G_UNLOCK (gethost_mutex);
+ return -1;
+ }
+
+ GETHOST_PROCESS (h, host, buf, buflen, herr);
+
+ G_UNLOCK (gethost_mutex);
+
+ return 0;
+#endif /* HAVE_GETHOSTBYADDR_R */
+#endif /* ENABLE_IPv6 */
+}
+#endif /* NEED_ADDRINFO */
+
+/* ********************************************************************** */
+struct _addrinfo_msg {
+ EMsg msg;
+ unsigned int cancelled:1;
+
+ /* for host lookup */
+ const char *name;
+ const char *service;
+ int result;
+ const struct addrinfo *hints;
+ struct addrinfo **res;
+
+ /* for host lookup emulation */
+#ifdef NEED_ADDRINFO
+ struct hostent hostbuf;
+ int hostbuflen;
+ char *hostbufmem;
+#endif
+
+ /* for name lookup */
+ const struct sockaddr *addr;
+ socklen_t addrlen;
+ char *host;
+ int hostlen;
+ char *serv;
+ int servlen;
+ int flags;
+};
+
+static void
+cs_freeinfo(struct _addrinfo_msg *msg)
+{
+ g_free(msg->host);
+ g_free(msg->serv);
+#ifdef NEED_ADDRINFO
+ g_free(msg->hostbufmem);
+#endif
+ g_free(msg);
+}
+
+/* returns -1 if cancelled */
+static int
+cs_waitinfo(void *(worker)(void *), struct _addrinfo_msg *msg, const char *error, CamelException *ex)
+{
+ EMsgPort *reply_port;
+ pthread_t id;
+ int err, cancel_fd, cancel = 0, fd;
+
+ cancel_fd = camel_operation_cancel_fd(NULL);
+ if (cancel_fd == -1) {
+ worker(msg);
+ return 0;
+ }
+
+ reply_port = msg->msg.reply_port = e_msgport_new();
+ fd = e_msgport_fd(msg->msg.reply_port);
+ if ((err = pthread_create(&id, NULL, worker, msg)) == 0) {
+ struct pollfd polls[2];
+ int status;
+
+ polls[0].fd = fd;
+ polls[0].events = POLLIN;
+ polls[1].fd = cancel_fd;
+ polls[1].events = POLLIN;
+
+ d(printf("waiting for name return/cancellation in main process\n"));
+ do {
+ polls[0].revents = 0;
+ polls[1].revents = 0;
+ status = poll(polls, 2, -1);
+ } while (status == -1 && errno == EINTR);
+
+ if (status == -1 || (polls[1].revents & POLLIN)) {
+ if (status == -1)
+ camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, "%s: %s", error, g_strerror(errno));
+ else
+ camel_exception_setv(ex, CAMEL_EXCEPTION_USER_CANCEL, _("Cancelled"));
+
+ /* We cancel so if the thread impl is decent it causes immediate exit.
+ We detach so we dont need to wait for it to exit if it isn't.
+ We check the reply port incase we had a reply in the mean time, which we free later */
+ d(printf("Cancelling lookup thread and leaving it\n"));
+ msg->cancelled = 1;
+ pthread_detach(id);
+ pthread_cancel(id);
+ cancel = 1;
+ } else {
+ struct _addrinfo_msg *reply = (struct _addrinfo_msg *)e_msgport_get(reply_port);
+
+ g_assert(reply == msg);
+ d(printf("waiting for child to exit\n"));
+ pthread_join(id, NULL);
+ d(printf("child done\n"));
+ }
+ } else {
+ camel_exception_setv(ex, CAMEL_EXCEPTION_SYSTEM, "%s: %s: %s", error, _("cannot create thread"), g_strerror(err));
+ }
+ e_msgport_destroy(reply_port);
+
+ return cancel;
+}
+
+#ifdef NEED_ADDRINFO
+static void *
+cs_getaddrinfo(void *data)
+{
+ struct _addrinfo_msg *msg = data;
+ int herr;
+ struct hostent h;
+ struct addrinfo *res, *last = NULL;
+ struct sockaddr_in *sin;
+ in_port_t port = 0;
+ int i;
+
+ /* This is a pretty simplistic emulation of getaddrinfo */
+
+ while ((msg->result = camel_gethostbyname_r(msg->name, &h, msg->hostbufmem, msg->hostbuflen, &herr)) == ERANGE) {
+ pthread_testcancel();
+ msg->hostbuflen *= 2;
+ msg->hostbufmem = g_realloc(msg->hostbufmem, msg->hostbuflen);
+ }
+
+ /* If we got cancelled, dont reply, just free it */
+ if (msg->cancelled)
+ goto cancel;
+
+ /* FIXME: map error numbers across */
+ if (msg->result != 0)
+ goto reply;
+
+ /* check hints matched */
+ if (msg->hints && msg->hints->ai_family && msg->hints->ai_family != h.h_addrtype) {
+ msg->result = EAI_FAMILY;
+ goto reply;
+ }
+
+ /* we only support ipv4 for this interface, even if it could supply ipv6 */
+ if (h.h_addrtype != AF_INET) {
+ msg->result = EAI_FAMILY;
+ goto reply;
+ }
+
+ /* check service mapping */
+ if (msg->service) {
+ const char *p = msg->service;
+
+ while (*p) {
+ if (*p < '0' || *p > '9')
+ break;
+ p++;
+ }
+
+ if (*p) {
+ const char *socktype = NULL;
+ struct servent *serv;
+
+ if (msg->hints && msg->hints->ai_socktype) {
+ if (msg->hints->ai_socktype == SOCK_STREAM)
+ socktype = "tcp";
+ else if (msg->hints->ai_socktype == SOCK_DGRAM)
+ socktype = "udp";
+ }
+
+ serv = getservbyname(msg->service, socktype);
+ if (serv == NULL) {
+ msg->result = EAI_NONAME;
+ goto reply;
+ }
+ port = serv->s_port;
+ } else {
+ port = htons(strtoul(msg->service, NULL, 10));
+ }
+ }
+
+ for (i=0;h.h_addr_list[i];i++) {
+ res = g_malloc0(sizeof(*res));
+ if (msg->hints) {
+ res->ai_flags = msg->hints->ai_flags;
+ if (msg->hints->ai_flags & AI_CANONNAME)
+ res->ai_canonname = g_strdup(h.h_name);
+ res->ai_socktype = msg->hints->ai_socktype;
+ res->ai_protocol = msg->hints->ai_protocol;
+ } else {
+ res->ai_flags = 0;
+ res->ai_socktype = SOCK_STREAM; /* fudge */
+ res->ai_protocol = 0; /* fudge */
+ }
+ res->ai_family = AF_INET;
+ res->ai_addrlen = sizeof(*sin);
+ res->ai_addr = g_malloc(sizeof(*sin));
+ sin = (struct sockaddr_in *)res->ai_addr;
+ sin->sin_family = AF_INET;
+ sin->sin_port = port;
+ memcpy(&sin->sin_addr, h.h_addr_list[i], sizeof(sin->sin_addr));
+
+ if (last == NULL) {
+ *msg->res = last = res;
+ } else {
+ last->ai_next = res;
+ last = res;
+ }
+ }
+reply:
+ e_msgport_reply((EMsg *)msg);
+ return NULL;
+cancel:
+ cs_freeinfo(msg);
+ return NULL;
+}
+#else
+static void *
+cs_getaddrinfo(void *data)
+{
+ struct _addrinfo_msg *info = data;
+
+ info->result = getaddrinfo(info->name, info->service, info->hints, info->res);
+
+ if (info->cancelled) {
+ g_free(info);
+ } else {
+ e_msgport_reply((EMsg *)info);
+ }
+
+ return NULL;
+}
+#endif /* NEED_ADDRINFO */
+
+struct addrinfo *
+camel_getaddrinfo(const char *name, const char *service, const struct addrinfo *hints, CamelException *ex)
+{
+ struct _addrinfo_msg *msg;
+ struct addrinfo *res = NULL;
+#ifndef ENABLE_IPv6
+ struct addrinfo myhints;
+#endif
+ g_return_val_if_fail(name != NULL, NULL);
+
+ if (camel_operation_cancel_check(NULL)) {
+ camel_exception_set(ex, CAMEL_EXCEPTION_USER_CANCEL, _("Cancelled"));
+ return NULL;
+ }
+
+ camel_operation_start_transient(NULL, _("Resolving: %s"), name);
+
+ /* force ipv4 addresses only */
+#ifndef ENABLE_IPv6
+ if (hints == NULL)
+ memset(&myhints, 0, sizeof(myhints));
+ else
+ memcpy (&myhints, hints, sizeof (myhints));
+
+ myhints.ai_family = AF_INET;
+ hints = &myhints;
+#endif
+
+ msg = g_malloc0(sizeof(*msg));
+ msg->name = name;
+ msg->service = service;
+ msg->hints = hints;
+ msg->res = &res;
+#ifdef NEED_ADDRINFO
+ msg->hostbuflen = 1024;
+ msg->hostbufmem = g_malloc(msg->hostbuflen);
+#endif
+ if (cs_waitinfo(cs_getaddrinfo, msg, _("Host lookup failed"), ex) == 0) {
+ if (msg->result != 0)
+ camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, _("Host lookup failed: %s: %s"),
+ name, gai_strerror (msg->result));
+
+ cs_freeinfo(msg);
+ } else
+ res = NULL;
+
+ camel_operation_end(NULL);
+
+ return res;
+}
+
+void
+camel_freeaddrinfo(struct addrinfo *host)
+{
+#ifdef NEED_ADDRINFO
+ while (host) {
+ struct addrinfo *next = host->ai_next;
+
+ g_free(host->ai_canonname);
+ g_free(host->ai_addr);
+ g_free(host);
+ host = next;
+ }
+#else
+ freeaddrinfo(host);
+#endif
+}
+
+#ifdef NEED_ADDRINFO
+static void *
+cs_getnameinfo(void *data)
+{
+ struct _addrinfo_msg *msg = data;
+ int herr;
+ struct hostent h;
+ struct sockaddr_in *sin = (struct sockaddr_in *)msg->addr;
+
+ /* FIXME: error code */
+ if (msg->addr->sa_family != AF_INET) {
+ msg->result = -1;
+ return NULL;
+ }
+
+ /* FIXME: honour getnameinfo flags: do we care, not really */
+
+ while ((msg->result = camel_gethostbyaddr_r((const char *)&sin->sin_addr, sizeof(sin->sin_addr), AF_INET, &h,
+ msg->hostbufmem, msg->hostbuflen, &herr)) == ERANGE) {
+ pthread_testcancel ();
+ msg->hostbuflen *= 2;
+ msg->hostbufmem = g_realloc(msg->hostbufmem, msg->hostbuflen);
+ }
+
+ if (msg->cancelled)
+ goto cancel;
+
+ if (msg->host) {
+ g_free(msg->host);
+ if (msg->result == 0 && h.h_name && h.h_name[0]) {
+ msg->host = g_strdup(h.h_name);
+ } else {
+ unsigned char *in = (unsigned char *)&sin->sin_addr;
+
+ /* sin_addr is always network order which is big-endian */
+ msg->host = g_strdup_printf("%u.%u.%u.%u", in[0], in[1], in[2], in[3]);
+ }
+ }
+
+ /* we never actually use this anyway */
+ if (msg->serv)
+ sprintf(msg->serv, "%d", sin->sin_port);
+
+ e_msgport_reply((EMsg *)msg);
+ return NULL;
+cancel:
+ cs_freeinfo(msg);
+ return NULL;
+}
+#else
+static void *
+cs_getnameinfo(void *data)
+{
+ struct _addrinfo_msg *msg = data;
+
+ /* there doens't appear to be a return code which says host or serv buffers are too short, lengthen them */
+ msg->result = getnameinfo(msg->addr, msg->addrlen, msg->host, msg->hostlen, msg->serv, msg->servlen, msg->flags);
+
+ if (msg->cancelled)
+ cs_freeinfo(msg);
+ else
+ e_msgport_reply((EMsg *)msg);
+
+ return NULL;
+}
+#endif
+
+int
+camel_getnameinfo(const struct sockaddr *sa, socklen_t salen, char **host, char **serv, int flags, CamelException *ex)
+{
+ struct _addrinfo_msg *msg;
+ int result;
+
+ if (camel_operation_cancel_check(NULL)) {
+ camel_exception_set (ex, CAMEL_EXCEPTION_USER_CANCEL, _("Cancelled"));
+ return -1;
+ }
+
+ camel_operation_start_transient(NULL, _("Resolving address"));
+
+ msg = g_malloc0(sizeof(*msg));
+ msg->addr = sa;
+ msg->addrlen = salen;
+ if (host) {
+ msg->hostlen = NI_MAXHOST;
+ msg->host = g_malloc(msg->hostlen);
+ msg->host[0] = 0;
+ }
+ if (serv) {
+ msg->servlen = NI_MAXSERV;
+ msg->serv = g_malloc(msg->servlen);
+ msg->serv[0] = 0;
+ }
+ msg->flags = flags;
+#ifdef NEED_ADDRINFO
+ msg->hostbuflen = 1024;
+ msg->hostbufmem = g_malloc(msg->hostbuflen);
+#endif
+ cs_waitinfo(cs_getnameinfo, msg, _("Name lookup failed"), ex);
+
+ if ((result = msg->result) != 0)
+ camel_exception_setv (ex, CAMEL_EXCEPTION_SYSTEM, _("Name lookup failed: %s"),
+ gai_strerror (result));
+
+ if (host)
+ *host = g_strdup(msg->host);
+ if (serv)
+ *serv = g_strdup(msg->serv);
+
+ g_free(msg->host);
+ g_free(msg->serv);
+ g_free(msg);
+
+ camel_operation_end(NULL);
+
+ return result;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 20:38:25 +0800