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process.c (50476) process.c (90261)
1/*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)process.c 8.2 (Berkeley) 11/16/93";
37#endif
38static const char rcsid[] =
1/*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
36static char sccsid[] = "@(#)process.c 8.2 (Berkeley) 11/16/93";
37#endif
38static const char rcsid[] =
39 "$FreeBSD: head/libexec/talkd/process.c 50476 1999-08-28 00:22:10Z peter $";
39 "$FreeBSD: head/libexec/talkd/process.c 90261 2002-02-05 21:06:56Z imp $";
40#endif /* not lint */
41
42/*
43 * process.c handles the requests, which can be of three types:
44 * ANNOUNCE - announce to a user that a talk is wanted
45 * LEAVE_INVITE - insert the request into the table
46 * LOOK_UP - look up to see if a request is waiting in
47 * in the table for the local user

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55#include <ctype.h>
56#include <err.h>
57#include <netdb.h>
58#include <paths.h>
59#include <stdio.h>
60#include <string.h>
61#include <syslog.h>
62
40#endif /* not lint */
41
42/*
43 * process.c handles the requests, which can be of three types:
44 * ANNOUNCE - announce to a user that a talk is wanted
45 * LEAVE_INVITE - insert the request into the table
46 * LOOK_UP - look up to see if a request is waiting in
47 * in the table for the local user

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55#include <ctype.h>
56#include <err.h>
57#include <netdb.h>
58#include <paths.h>
59#include <stdio.h>
60#include <string.h>
61#include <syslog.h>
62
63int announce __P((CTL_MSG *, char *));
64int delete_invite __P((int));
65void do_announce __P((CTL_MSG *, CTL_RESPONSE *));
66CTL_MSG *find_request();
67CTL_MSG *find_match();
68int find_user __P((char *, char *));
69void insert_table __P((CTL_MSG *, CTL_RESPONSE *));
70int new_id __P((void));
71void print_request __P((char *, CTL_MSG *));
72void print_response __P((char *, CTL_RESPONSE *));
63#include "extern.h"
73
74void
64
65void
75process_request(mp, rp)
76 register CTL_MSG *mp;
77 register CTL_RESPONSE *rp;
66process_request(CTL_MSG *mp, CTL_RESPONSE *rp)
78{
67{
79 register CTL_MSG *ptr;
68 CTL_MSG *ptr;
80 extern int debug;
81 char *s;
82
83 rp->vers = TALK_VERSION;
84 rp->type = mp->type;
85 rp->id_num = htonl(0);
86 if (mp->vers != TALK_VERSION) {
87 syslog(LOG_WARNING, "bad protocol version %d", mp->vers);

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146 rp->answer = UNKNOWN_REQUEST;
147 break;
148 }
149 if (debug)
150 print_response("process_request", rp);
151}
152
153void
69 extern int debug;
70 char *s;
71
72 rp->vers = TALK_VERSION;
73 rp->type = mp->type;
74 rp->id_num = htonl(0);
75 if (mp->vers != TALK_VERSION) {
76 syslog(LOG_WARNING, "bad protocol version %d", mp->vers);

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135 rp->answer = UNKNOWN_REQUEST;
136 break;
137 }
138 if (debug)
139 print_response("process_request", rp);
140}
141
142void
154do_announce(mp, rp)
155 register CTL_MSG *mp;
156 CTL_RESPONSE *rp;
143do_announce(CTL_MSG *mp, CTL_RESPONSE *rp)
157{
158 struct hostent *hp;
159 CTL_MSG *ptr;
160 int result;
161
162 /* see if the user is logged */
163 result = find_user(mp->r_name, mp->r_tty);
164 if (result != SUCCESS) {

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194}
195
196#include <utmp.h>
197
198/*
199 * Search utmp for the local user
200 */
201int
144{
145 struct hostent *hp;
146 CTL_MSG *ptr;
147 int result;
148
149 /* see if the user is logged */
150 result = find_user(mp->r_name, mp->r_tty);
151 if (result != SUCCESS) {

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181}
182
183#include <utmp.h>
184
185/*
186 * Search utmp for the local user
187 */
188int
202find_user(name, tty)
203 char *name, *tty;
189find_user(const char *name, char *tty)
204{
205 struct utmp ubuf;
206 int status;
207 FILE *fd;
208 struct stat statb;
209 time_t best = 0;
210 char line[sizeof(ubuf.ut_line) + 1];
211 char ftty[sizeof(_PATH_DEV) - 1 + sizeof(line)];

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191 struct utmp ubuf;
192 int status;
193 FILE *fd;
194 struct stat statb;
195 time_t best = 0;
196 char line[sizeof(ubuf.ut_line) + 1];
197 char ftty[sizeof(_PATH_DEV) - 1 + sizeof(line)];

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