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/* $Id: send.c,v 1.1 2002/08/28 20:06:50 rabbi Exp $
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* $Log: send.c,v $
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* Revision 1.1 2002/08/28 20:06:50 rabbi
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* Initial revision
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*
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* Revision 2.8 1998/08/21 13:26:08 um
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* *** empty log message ***
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*
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* Revision 2.7 1998/05/11 19:43:16 um
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* *** empty log message ***
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*
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* Revision 2.6 1998/05/10 22:16:21 um
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* Bug fix.
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*
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* Revision 2.5 1998/05/07 23:59:36 um
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* IDEXP and PACKETEXP now specify hours.
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*
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* Revision 2.4 1998/04/20 14:09:47 um
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* Bug fix for trimming ID log file, by Johannes Kroeger.
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*
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* Revision 2.3 1998/04/13 23:22:29 um
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* re-indented.
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*
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* Revision 2.2 1998/03/02 16:37:21 um
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* fuction getline() replaces fgets() + chop().
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*
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*
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* send.c 1997-12-22 um
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* bug fix from Johannes Kroeger.
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*
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* send.c 1997-12-12 um
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* return value for attempt_socket dummy corrected.
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*
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* send.c 1997-12-08 um
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* bug fix by Andy Dustman.
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*
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* send.c 1997-11-08 um
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* attempt_socket now exists.
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*
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* send.c 1997-10-10 JK
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* parse header lines without " " after the ":" correctly.
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*
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* send.c 1997-09-15 um
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* do not try to read multi-line header if the line is empty
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* (patch from Johannes Kroeger).
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* fix overflow bug in reading multi-line header.
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*
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* send.c 1997-08-30 um
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* parse multiple-line message headers.
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*
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* send.c 1997-08-29 um
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* bug fix: add mail2news gate only for "post:" destination.
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* headers are filtered only for the final hop.
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*
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* send.c 1997-08-15 um
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* re-wrote process_pool.
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*
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* send.c 1997-07-01 um
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* middleman patch.
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*
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* send.c 1997-06-08 um
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* use random_number to select message from pool to get even distribution
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*
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* send.c 1997-05-31 um
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* exponential pool.
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*
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* send.c 1996-11-27 um
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* No spaces in Newsgroups: line.
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*
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* modified for DOS.
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* applied Lance's patch for "null:" um
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*
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* send.c 1.6 11/2/95
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* Fixed several bugs in process_partial()
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* Insert commas between recipients on the To line.
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* Fixed problems from not re-initializing some variables
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* for each mail message.
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*
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* send.c 1.5 9/13/95
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* Mail2news now uses "Newsgroups:" not group.name@gateway.
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*
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* send.c 1.4 9/10/95
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* "null:" sends mail to a bit bucket
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* "post:" posts to the following newsgroup
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*
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* (c) Copyright 1995 by Lance Cottrell. All right reserved.
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* The author assumes no liability for damages resulting from the
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* use of this software, even if the damage results from defects in
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* this software. No warranty is expressed or implied.
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*
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* This software is being distributed under the GNU Public Licence,
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* see the file GNU.license for more details.
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*
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* - Lance Cottrell (loki@obscura.com) 4/23/95
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*
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*/
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#include "mix.h"
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#include <stdlib.h>
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#include <string.h>
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| 102 |
#include <unistd.h>
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#include <time.h>
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#if 1
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int
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mix_server (int dofork)
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{
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| 109 |
return (0); /* dummy which always reports failure (true) */
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}
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int
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attempt_socket (FILE * fp)
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{
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return (0); /* dummy which always reports failure (true) */
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}
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#endif
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#define MAILMSG 1
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#define POSTMSG 2
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#define REMAILMSG 4
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int
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read_header (FILE * in, BUFFER * mess, int mm)
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| 126 |
{
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| 127 |
char line[8 * 1024], line2[1024], *t;
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| 128 |
BUFFER *maildest, *groupdest;
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| 129 |
int subject = 0, post = 0, r = 0;
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| 130 |
long p;
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| 131 |
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| 132 |
maildest = new_buffer ();
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| 133 |
groupdest = new_buffer ();
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| 134 |
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/* Read in the destination */
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| 136 |
while (getline (line, sizeof (line), in) && !streq (line, "END"))
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| 137 |
{
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| 138 |
for (;;)
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| 139 |
{
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| 140 |
p = ftell (in);
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| 141 |
if (getline (line2, sizeof (line2), in) &&
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| 142 |
(line2[0] == ' ' || line2[0] == '\t'))
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| 143 |
{
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| 144 |
strncat (line, "\n", sizeof (line) - strlen (line) - 1);
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| 145 |
strncat (line, line2, sizeof (line) - strlen (line) - 1);
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| 146 |
}
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| 147 |
else
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| 148 |
break;
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| 149 |
}
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| 150 |
fseek (in, p, SEEK_SET);
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| 151 |
if (strileft (line, "null:"))
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| 152 |
return (0); /* bit bucket message */
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| 153 |
else if (strileft (line, "post:"))
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| 154 |
{
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| 155 |
post = 1;
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| 156 |
if (strlen (line) > sizeof ("post:") - 1)
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| 157 |
{
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| 158 |
t = line + sizeof ("post:") - 1;
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| 159 |
while (*t == ' ' || *t == '\t')
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| 160 |
t++;
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add_addr (groupdest, t, &mm); /* group name */
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}
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}
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| 164 |
else if (strlen (line) > 0)
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add_addr (maildest, line, &mm);
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}
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/* Read in the header lines */
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| 169 |
if (mm != -1)
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| 170 |
while (getline (line, sizeof (line), in))
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| 171 |
{
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| 172 |
if (line[0] == '\0')
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{
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| 174 |
p = ftell (in);
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| 175 |
if (getline (line2, sizeof (line2), in) && strleft (line2, "##"))
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getline (line, sizeof (line), in); /* paste in more headers */
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else
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{
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| 179 |
fseek (in, p, SEEK_SET);
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| 180 |
break; /* end of header */
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| 181 |
}
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| 182 |
}
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| 183 |
for (;;)
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| 184 |
{
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| 185 |
p = ftell (in);
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| 186 |
if (getline (line2, sizeof (line2), in) &&
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| 187 |
(line2[0] == ' ' || line2[0] == '\t'))
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| 188 |
{
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| 189 |
strncat (line, "\n", sizeof (line) - strlen (line) - 1);
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| 190 |
strncat (line, line2, sizeof (line) - strlen (line) - 1);
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| 191 |
}
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| 192 |
else
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| 193 |
break;
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| 194 |
}
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| 195 |
fseek (in, p, SEEK_SET);
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| 196 |
if (strileft (line, "To:"))
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| 197 |
{
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| 198 |
t = line + sizeof ("To:") - 1;
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| 199 |
while (*t == ' ' || *t == '\t')
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| 200 |
t++;
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| 201 |
add_addr (maildest, t, &mm);
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| 202 |
}
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| 203 |
else if (strileft (line, "Newsgroups:"))
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| 204 |
{
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| 205 |
/* will be posted only if "post:" is set */
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| 206 |
t = line + sizeof ("Newsgroups:") - 1;
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| 207 |
while (*t == ' ' || *t == '\t')
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t++;
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add_addr (groupdest, t, &mm);
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}
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| 211 |
else if (!header_block (line, &mm))
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| 212 |
{
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| 213 |
str_to_buffer (mess, line);
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str_to_buffer (mess, "\n");
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| 215 |
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| 216 |
if (strileft (line, "Subject:"))
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subject = 1;
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}
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}
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| 221 |
if (groupdest->length < 1)
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post = 0;
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else if (post && (strlen (MAILtoNEWS) > 1))
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add_addr (maildest, MAILtoNEWS, &mm);
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| 225 |
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| 226 |
if (maildest->length > 1)
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{
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| 228 |
str_to_buffer (mess, "To: ");
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| 229 |
str_to_buffer (mess, maildest->message);
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| 230 |
str_to_buffer (mess, "\n");
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}
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| 232 |
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| 233 |
if (groupdest->length > 1)
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{
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| 235 |
str_to_buffer (mess, "Newsgroups: ");
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| 236 |
str_to_buffer (mess, groupdest->message);
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| 237 |
str_to_buffer (mess, "\n");
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| 238 |
}
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| 239 |
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| 240 |
if (mm >= 2)
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r |= REMAILMSG;
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| 242 |
if (maildest->length > 1)
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| 243 |
r |= MAILMSG;
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| 244 |
if (post)
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r |= POSTMSG;
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| 246 |
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| 247 |
free_buffer (maildest);
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| 248 |
free_buffer (groupdest);
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| 249 |
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| 250 |
if (post && !subject)
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str_to_buffer (mess, "Subject: none\n");
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| 252 |
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str_to_buffer (mess, "\n");
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| 254 |
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| 255 |
/* Read in the message body */
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| 256 |
while (getline (line, sizeof (line), in))
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| 257 |
{
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| 258 |
str_to_buffer (mess, line);
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str_to_buffer (mess, "\n");
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}
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| 261 |
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| 262 |
return (r);
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| 263 |
}
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| 264 |
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| 265 |
int
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| 266 |
process_pool (void)
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| 267 |
{
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| 268 |
FILE *fptr, *in, *lockptr;
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| 269 |
char **names, line[256], *tmp;
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| 270 |
int pool, i, j, final, dest;
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| 271 |
time_t start_time = time (NULL);
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| 272 |
BUFFER *mess;
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| 273 |
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| 274 |
/* For the sake of ruthless efficiency, we will only build the list once. */
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| 275 |
mix_lock ("mail", &lockptr);
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| 276 |
i = file_list ("mail*", NULL);
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| 277 |
names = malloc (i * sizeof (*names));
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| 278 |
pool = file_list ("mail*", names);
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| 279 |
mix_unlock ("mail", lockptr);
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| 280 |
i = (i * RATE) / 100; /* exponential pool */
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| 281 |
if (i < 1)
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| 282 |
i = 1;
|
| 283 |
|
| 284 |
for (; pool > POOLSIZE && i > 0
|
| 285 |
&& (POOLTIMEOUT == 0 || time (NULL) - start_time < POOLTIMEOUT); i--)
|
| 286 |
{
|
| 287 |
mix_lock ("mail", &lockptr);
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| 288 |
final = 0;
|
| 289 |
|
| 290 |
j = random_number (pool); /* 0 to (pool-1) */
|
| 291 |
if ((in = open_mix_file (names[j], "r")) == NULL)
|
| 292 |
{
|
| 293 |
mix_unlock ("mail", lockptr);
|
| 294 |
return (0);
|
| 295 |
}
|
| 296 |
/* Is it a final hop? */
|
| 297 |
getline (line, sizeof (line), in);
|
| 298 |
if (streq (line, final_hop))
|
| 299 |
final = 1;
|
| 300 |
else
|
| 301 |
{
|
| 302 |
/* is it also not an intermed hop ? */
|
| 303 |
if (!streq (line, intermed_hop))
|
| 304 |
{
|
| 305 |
fclose (in);
|
| 306 |
strcpy (line, "bad-");
|
| 307 |
in = tempfile (line);
|
| 308 |
fprintf (in, "Placeholder\n");
|
| 309 |
fclose (in);
|
| 310 |
fprintf (errlog, "%s not a valid mail file!\nMoving to %s\n",
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| 311 |
names[j], line);
|
| 312 |
if (rename (names[j], line) == -1)
|
| 313 |
fprintf (errlog, "Failed!\n");
|
| 314 |
continue; /* Try another mail file */
|
| 315 |
}
|
| 316 |
}
|
| 317 |
|
| 318 |
if (!final)
|
| 319 |
{
|
| 320 |
if (attempt_socket (in)) /* try to open a socket */
|
| 321 |
goto skip; /* attempt socket returns 0 if it fails */
|
| 322 |
}
|
| 323 |
|
| 324 |
/* Send message by mail */
|
| 325 |
mess = new_buffer ();
|
| 326 |
|
| 327 |
/* Read in the message header */
|
| 328 |
dest = read_header (in, mess, final ? MIDDLEMAN : -1);
|
| 329 |
if (final && MIDDLEMAN && !(dest & REMAILMSG))
|
| 330 |
{
|
| 331 |
/* message will be sent directly. filter the header properly */
|
| 332 |
rewind (in);
|
| 333 |
getline (line, sizeof (line), in);
|
| 334 |
clear_buffer (mess);
|
| 335 |
dest = read_header (in, mess, 0);
|
| 336 |
}
|
| 337 |
|
| 338 |
if (dest & (MAILMSG | REMAILMSG))
|
| 339 |
{ /* There are mail addresses */
|
| 340 |
if ((fptr = open_sendmail (final ?
|
| 341 |
(dest & REMAILMSG ? 2 : -1) : -2,
|
| 342 |
&tmp)) == NULL)
|
| 343 |
goto skip;
|
| 344 |
if ((dest & POSTMSG) && (dest & REMAILMSG))
|
| 345 |
fprintf (fptr, "post:\n");
|
| 346 |
write_buffer (mess, fptr);
|
| 347 |
close_sendmail (fptr, tmp);
|
| 348 |
}
|
| 349 |
if ((dest & POSTMSG) && !(dest & REMAILMSG) && strlen (NEWS) > 1)
|
| 350 |
{ /* Post through inews */
|
| 351 |
if ((fptr = open_pipe (NEWS, "w")) == NULL)
|
| 352 |
goto skip;
|
| 353 |
fromanon (fptr);
|
| 354 |
if (strlen (ORGANIZATION) > 0)
|
| 355 |
fprintf (fptr, "Organization: %s\n", ORGANIZATION);
|
| 356 |
write_buffer (mess, fptr);
|
| 357 |
close_pipe (fptr);
|
| 358 |
}
|
| 359 |
free_buffer (mess);
|
| 360 |
|
| 361 |
skip: /* Skip to here if message is for bit bucket */
|
| 362 |
fclose (in);
|
| 363 |
stats (FL_LATENCY, names[j]);
|
| 364 |
unlink (names[j]);
|
| 365 |
mix_unlock ("mail", lockptr);
|
| 366 |
free (names[j]);
|
| 367 |
if (pool > 0)
|
| 368 |
names[j] = names[--pool];
|
| 369 |
}
|
| 370 |
return (1);
|
| 371 |
}
|
| 372 |
|
| 373 |
void
|
| 374 |
process_latent (void)
|
| 375 |
{
|
| 376 |
int num, i;
|
| 377 |
unsigned long ctime, stime;
|
| 378 |
FILE *fptr, *out;
|
| 379 |
char *names[256], line[256], foo[80];
|
| 380 |
|
| 381 |
num = file_list ("latent*", names);
|
| 382 |
for (i = 0; i < num; i++)
|
| 383 |
{
|
| 384 |
if ((fptr = open_mix_file (names[i], "r")) != NULL)
|
| 385 |
{
|
| 386 |
getline (line, sizeof (line), fptr);
|
| 387 |
sscanf (line, "%s %lu", foo, &stime);
|
| 388 |
ctime = time (NULL);
|
| 389 |
if (ctime > stime)
|
| 390 |
{
|
| 391 |
/* now open up a mail file and put the body there */
|
| 392 |
unlink (names[i]);
|
| 393 |
sprintf (foo, "mail");
|
| 394 |
out = tempfile (foo);
|
| 395 |
while (getline (line, sizeof (line), fptr) != NULL)
|
| 396 |
fprintf (out, "%s\n", line);
|
| 397 |
fclose (out);
|
| 398 |
fclose (fptr);
|
| 399 |
} /* passed time */
|
| 400 |
} /* if could open latent */
|
| 401 |
} /* for */
|
| 402 |
}
|
| 403 |
|
| 404 |
void
|
| 405 |
process_partial (void)
|
| 406 |
{
|
| 407 |
int num, i;
|
| 408 |
unsigned char j;
|
| 409 |
unsigned long ctime, stime;
|
| 410 |
FILE *fptr, *lockptr;
|
| 411 |
char *names[256];
|
| 412 |
|
| 413 |
mix_lock ("pac", &lockptr);
|
| 414 |
num = file_list ("pac*", names);
|
| 415 |
for (i = 0; i < num; i++)
|
| 416 |
{
|
| 417 |
if ((fptr = open_mix_file (names[i], "r")) != NULL)
|
| 418 |
{
|
| 419 |
fread (&j, 1, 1, fptr);
|
| 420 |
stime = (unsigned long) j;
|
| 421 |
fread (&j, 1, 1, fptr);
|
| 422 |
stime += (unsigned long) j *256;
|
| 423 |
fread (&j, 1, 1, fptr);
|
| 424 |
stime += (unsigned long) j *256 * 256;
|
| 425 |
fread (&j, 1, 1, fptr);
|
| 426 |
stime += (unsigned long) j *256 * 256 * 256;
|
| 427 |
|
| 428 |
ctime = time (NULL);
|
| 429 |
|
| 430 |
if ((ctime - stime) > PACKETEXP * 3600)
|
| 431 |
{ /* packet is too old */
|
| 432 |
fclose (fptr);
|
| 433 |
unlink (names[i]);
|
| 434 |
}
|
| 435 |
else
|
| 436 |
{
|
| 437 |
fclose (fptr);
|
| 438 |
} /* passed expiration time */
|
| 439 |
} /* if could open packet */
|
| 440 |
} /* for */
|
| 441 |
mix_unlock ("pac", lockptr);
|
| 442 |
}
|
| 443 |
|
| 444 |
int
|
| 445 |
packetID_housekeeping (void)
|
| 446 |
{
|
| 447 |
FILE *fptr, *lockptr;
|
| 448 |
char line[256], ID[50];
|
| 449 |
unsigned long now, then;
|
| 450 |
BUFFER *buff;
|
| 451 |
|
| 452 |
if (IDEXP == 0)
|
| 453 |
return (0);
|
| 454 |
|
| 455 |
mix_lock (IDLOG, &lockptr);
|
| 456 |
buff = new_buffer ();
|
| 457 |
now = time (NULL);
|
| 458 |
if ((fptr = try_open_mix_file (IDLOG, "r")) == NULL)
|
| 459 |
return (-1);
|
| 460 |
|
| 461 |
while (getline (line, sizeof (line), fptr) != NULL)
|
| 462 |
{
|
| 463 |
sscanf (line, "%s %lu", ID, &then);
|
| 464 |
if ((now - then) < IDEXP * 3600)
|
| 465 |
{
|
| 466 |
str_to_buffer (buff, line);
|
| 467 |
str_to_buffer (buff, "\n");
|
| 468 |
}
|
| 469 |
}
|
| 470 |
fclose (fptr);
|
| 471 |
if ((fptr = open_mix_file (IDLOG, "w")) == NULL)
|
| 472 |
return (-1);
|
| 473 |
write_buffer (buff, fptr);
|
| 474 |
fclose (fptr);
|
| 475 |
free_buffer (buff);
|
| 476 |
mix_unlock (IDLOG, lockptr);
|
| 477 |
return (0);
|
| 478 |
}
|