/* pop.c: client routines for talking to a POP3-protocol post-office server
Copyright (C) 1991, 1993, 1996, 1997, 1999, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007 Free Software Foundation, Inc.
- Written by Jonathan Kamens, jik@security.ov.com.
+ 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+
+Author: Jonathan Kamens <jik@security.ov.com>
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 3, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+
#ifdef HAVE_CONFIG_H
-#define NO_SHORTNAMES /* Tell config not to load remap.h */
#include <config.h>
#else
#define MAIL_USE_POP
int *size;
{
char *fromserver;
+ char *end_ptr;
if (server->in_multi)
{
return (-1);
}
- *count = atoi (&fromserver[4]);
-
- fromserver = index (&fromserver[4], ' ');
- if (! fromserver)
+ errno = 0;
+ *count = strtol (&fromserver[4], &end_ptr, 10);
+ /* Check validity of string-to-integer conversion. */
+ if (fromserver + 4 == end_ptr || *end_ptr != ' ' || errno)
{
- strcpy (pop_error,
- "Badly formatted response from server in pop_stat");
+ strcpy (pop_error, "Unexpected response from POP server in pop_stat");
pop_trash (server);
return (-1);
}
- *size = atoi (fromserver + 1);
+ fromserver = end_ptr;
+
+ errno = 0;
+ *size = strtol (fromserver + 1, &end_ptr, 10);
+ if (fromserver + 1 == end_ptr || errno)
+ {
+ strcpy (pop_error, "Unexpected response from POP server in pop_stat");
+ pop_trash (server);
+ return (-1);
+ }
return (0);
}
}
else
{
- return (atoi (&fromserver[4]));
+ char *end_ptr;
+ int count;
+ errno = 0;
+ count = strtol (&fromserver[4], &end_ptr, 10);
+ if (fromserver + 4 == end_ptr || errno)
+ {
+ strcpy (pop_error, "Unexpected response from server in pop_last");
+ pop_trash (server);
+ return (-1);
+ }
+ return count;
}
}
close (server->file);
}
- if (server->buffer)
- free (server->buffer);
+ free (server->buffer);
free ((char *) server);
return (ret);
char found_port = 0;
char *service;
int sock;
+ char *realhost;
#ifdef KERBEROS
#ifdef KERBEROS5
krb5_error_code rem;
CREDENTIALS cred;
Key_schedule schedule;
int rem;
- char *realhost;
#endif /* KERBEROS5 */
#endif /* KERBEROS */
#ifdef HAVE_GETADDRINFO
memset (&hints, 0, sizeof(hints));
hints.ai_socktype = SOCK_STREAM;
- hints.ai_flags = AI_ADDRCONFIG;
+ hints.ai_flags = AI_CANONNAME;
hints.ai_family = AF_INET;
do
{
it = it->ai_next;
}
connect_ok = it != NULL;
+ if (connect_ok)
+ {
+ realhost = alloca (strlen (it->ai_canonname) + 1);
+ strcpy (realhost, it->ai_canonname);
+ }
freeaddrinfo (res);
}
#else /* !HAVE_GETADDRINFO */
hostent->h_addr_list++;
}
connect_ok = *hostent->h_addr_list != NULL;
+ if (! connect_ok)
+ {
+ realhost = alloca (strlen (hostent->h_name) + 1);
+ strcpy (realhost, hostent->h_name);
+ }
+
#endif /* !HAVE_GETADDRINFO */
#define CONNECT_ERROR "Could not connect to POP server: "
#ifdef KERBEROS
- realhost = alloca (strlen (hostent->h_name) + 1);
- strcpy (realhost, hostent->h_name);
-
#define KRB_ERROR "Kerberos error connecting to POP server: "
if (! (flags & POP_NO_KERBEROS))
{
krb5_free_principal (kcontext, server);
if (rem)
{
+ strcpy (pop_error, KRB_ERROR);
+ strncat (pop_error, error_message (rem),
+ ERROR_MAX - sizeof (KRB_ERROR));
+#if defined HAVE_KRB5_ERROR_TEXT
if (err_ret && err_ret->text.length)
{
- strcpy (pop_error, KRB_ERROR);
- strncat (pop_error, error_message (rem),
- ERROR_MAX - sizeof (KRB_ERROR));
strncat (pop_error, " [server says '",
ERROR_MAX - strlen (pop_error) - 1);
strncat (pop_error, err_ret->text.data,
strncat (pop_error, "']",
ERROR_MAX - strlen (pop_error) - 1);
}
- else
+#elif defined HAVE_KRB5_ERROR_E_TEXT
+ if (err_ret && err_ret->e_text && strlen(*err_ret->e_text))
{
- strcpy (pop_error, KRB_ERROR);
- strncat (pop_error, error_message (rem),
- ERROR_MAX - sizeof (KRB_ERROR));
+ strncat (pop_error, " [server says '",
+ ERROR_MAX - strlen (pop_error) - 1);
+ strncat (pop_error, *err_ret->e_text,
+ ERROR_MAX - strlen (pop_error) - 1);
+ strncat (pop_error, "']",
+ ERROR_MAX - strlen (pop_error) - 1);
}
+#endif
if (err_ret)
krb5_free_error (kcontext, err_ret);
krb5_auth_con_free (kcontext, auth_context);
* Function: pop_trash
*
* Purpose: Like pop_close or pop_quit, but doesn't deallocate the
- * memory associated with the server. It is legal to call
+ * memory associated with the server. It is valid to call
* pop_close or pop_quit after this function has been called.
*/
static void