announce.c (9c6077500415e049d1458d89bfe54e111281f485) announce.c (a846453c5ebbf21be4af27ac1e1679a3c00d8103)
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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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
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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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35#if 0
35static char sccsid[] = "@(#)announce.c 8.3 (Berkeley) 4/28/95";
36static char sccsid[] = "@(#)announce.c 8.3 (Berkeley) 4/28/95";
37#endif
38static const char rcsid[] =
39 "$Id$";
36#endif /* not lint */
37
38#include <sys/types.h>
39#include <sys/uio.h>
40#include <sys/stat.h>
41#include <sys/time.h>
42#include <sys/wait.h>
43#include <sys/socket.h>
40#endif /* not lint */
41
42#include <sys/types.h>
43#include <sys/uio.h>
44#include <sys/stat.h>
45#include <sys/time.h>
46#include <sys/wait.h>
47#include <sys/socket.h>
48
44#include <protocols/talkd.h>
49#include <protocols/talkd.h>
45#include <sgtty.h>
50
46#include <errno.h>
51#include <errno.h>
47#include <syslog.h>
48#include <unistd.h>
52#include <paths.h>
49#include <stdio.h>
53#include <stdio.h>
54#include <stdlib.h>
50#include <string.h>
55#include <string.h>
56#include <syslog.h>
57#include <unistd.h>
51#include <vis.h>
58#include <vis.h>
52#include <paths.h>
53
54extern char hostname[];
55
59
60extern char hostname[];
61
62int print_mesg __P((char *, FILE *, CTL_MSG *, char *));
63char *ttymsg __P((struct iovec *, int, char *, int));
64
56/*
57 * Announce an invitation to talk.
58 */
65/*
66 * Announce an invitation to talk.
67 */
59
68
60/*
69/*
61 * See if the user is accepting messages. If so, announce that
70 * See if the user is accepting messages. If so, announce that
62 * a talk is requested.
63 */
71 * a talk is requested.
72 */
73int
64announce(request, remote_machine)
65 CTL_MSG *request;
66 char *remote_machine;
67{
68 char full_tty[32];
69 FILE *tf;
70 struct stat stbuf;
71

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76 return (print_mesg(request->r_tty, tf, request, remote_machine));
77}
78
79#define max(a,b) ( (a) > (b) ? (a) : (b) )
80#define N_LINES 5
81#define N_CHARS 256
82
83/*
74announce(request, remote_machine)
75 CTL_MSG *request;
76 char *remote_machine;
77{
78 char full_tty[32];
79 FILE *tf;
80 struct stat stbuf;
81

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86 return (print_mesg(request->r_tty, tf, request, remote_machine));
87}
88
89#define max(a,b) ( (a) > (b) ? (a) : (b) )
90#define N_LINES 5
91#define N_CHARS 256
92
93/*
84 * Build a block of characters containing the message.
94 * Build a block of characters containing the message.
85 * It is sent blank filled and in a single block to
86 * try to keep the message in one piece if the recipient
87 * in in vi at the time
88 */
95 * It is sent blank filled and in a single block to
96 * try to keep the message in one piece if the recipient
97 * in in vi at the time
98 */
99int
89print_mesg(tty, tf, request, remote_machine)
90 char *tty;
91 FILE *tf;
92 CTL_MSG *request;
93 char *remote_machine;
94{
95 struct timeval clock;
96 struct timezone zone;

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102 char big_buf[N_LINES*N_CHARS];
103 char *bptr, *lptr, *vis_user;
104 int i, j, max_size;
105
106 i = 0;
107 max_size = 0;
108 gettimeofday(&clock, &zone);
109 localclock = localtime( &clock.tv_sec );
100print_mesg(tty, tf, request, remote_machine)
101 char *tty;
102 FILE *tf;
103 CTL_MSG *request;
104 char *remote_machine;
105{
106 struct timeval clock;
107 struct timezone zone;

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113 char big_buf[N_LINES*N_CHARS];
114 char *bptr, *lptr, *vis_user;
115 int i, j, max_size;
116
117 i = 0;
118 max_size = 0;
119 gettimeofday(&clock, &zone);
120 localclock = localtime( &clock.tv_sec );
110 (void)sprintf(line_buf[i], " ");
121 (void)snprintf(line_buf[i], N_CHARS, " ");
111 sizes[i] = strlen(line_buf[i]);
112 max_size = max(max_size, sizes[i]);
113 i++;
122 sizes[i] = strlen(line_buf[i]);
123 max_size = max(max_size, sizes[i]);
124 i++;
114 (void)sprintf(line_buf[i], "Message from Talk_Daemon@%s at %d:%02d ...",
115 hostname, localclock->tm_hour , localclock->tm_min );
125 (void)snprintf(line_buf[i], N_CHARS,
126 "Message from Talk_Daemon@%s at %d:%02d ...",
127 hostname, localclock->tm_hour , localclock->tm_min );
116 sizes[i] = strlen(line_buf[i]);
117 max_size = max(max_size, sizes[i]);
118 i++;
128 sizes[i] = strlen(line_buf[i]);
129 max_size = max(max_size, sizes[i]);
130 i++;
119 vis_user = (char *) malloc(strlen(request->l_name) * 4 + 1);
131
132 vis_user = malloc(strlen(request->l_name) * 4 + 1);
120 strvis(vis_user, request->l_name, VIS_CSTYLE);
133 strvis(vis_user, request->l_name, VIS_CSTYLE);
121 (void)sprintf(line_buf[i], "talk: connection requested by %s@%s",
122 vis_user, remote_machine);
134 (void)snprintf(line_buf[i], N_CHARS,
135 "talk: connection requested by %s@%s", vis_user, remote_machine);
123 sizes[i] = strlen(line_buf[i]);
124 max_size = max(max_size, sizes[i]);
125 i++;
136 sizes[i] = strlen(line_buf[i]);
137 max_size = max(max_size, sizes[i]);
138 i++;
126 (void)sprintf(line_buf[i], "talk: respond with: talk %s@%s",
127 vis_user, remote_machine);
139 (void)snprintf(line_buf[i], N_CHARS, "talk: respond with: talk %s@%s",
140 vis_user, remote_machine);
128 sizes[i] = strlen(line_buf[i]);
129 max_size = max(max_size, sizes[i]);
130 i++;
141 sizes[i] = strlen(line_buf[i]);
142 max_size = max(max_size, sizes[i]);
143 i++;
131 (void)sprintf(line_buf[i], " ");
144 (void)snprintf(line_buf[i], N_CHARS, " ");
132 sizes[i] = strlen(line_buf[i]);
133 max_size = max(max_size, sizes[i]);
134 i++;
135 bptr = big_buf;
145 sizes[i] = strlen(line_buf[i]);
146 max_size = max(max_size, sizes[i]);
147 i++;
148 bptr = big_buf;
136 *bptr++ = ''; /* send something to wake them up */
149 *bptr++ = '\007'; /* send something to wake them up */
137 *bptr++ = '\r'; /* add a \r in case of raw mode */
138 *bptr++ = '\n';
139 for (i = 0; i < N_LINES; i++) {
140 /* copy the line into the big buffer */
141 lptr = line_buf[i];
142 while (*lptr != '\0')
143 *(bptr++) = *(lptr++);
144 /* pad out the rest of the lines with blanks */

--- 18 unchanged lines hidden --- 		150 *bptr++ = '\r'; /* add a \r in case of raw mode */
151 *bptr++ = '\n';
152 for (i = 0; i < N_LINES; i++) {
153 /* copy the line into the big buffer */
154 lptr = line_buf[i];
155 while (*lptr != '\0')
156 *(bptr++) = *(lptr++);
157 /* pad out the rest of the lines with blanks */

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