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announce.c (90261) announce.c (112998)
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[] = "@(#)announce.c 8.3 (Berkeley) 4/28/95";
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[] = "@(#)announce.c 8.3 (Berkeley) 4/28/95";
37#endif
38static const char rcsid[] =
39 "$FreeBSD: head/libexec/talkd/announce.c 90261 2002-02-05 21:06:56Z imp $";
39 "$FreeBSD: head/libexec/talkd/announce.c 112998 2003-04-03 05:13:27Z jmallett $";
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>

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69/*
70 * See if the user is accepting messages. If so, announce that
71 * a talk is requested.
72 */
73int
74announce(CTL_MSG *request, const char *remote_machine)
75{
76 char full_tty[32];
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>

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69/*
70 * See if the user is accepting messages. If so, announce that
71 * a talk is requested.
72 */
73int
74announce(CTL_MSG *request, const char *remote_machine)
75{
76 char full_tty[32];
77 FILE *tf;
78 struct stat stbuf;
79
80 (void)snprintf(full_tty, sizeof(full_tty),
81 "%s%s", _PATH_DEV, request->r_tty);
82 if (stat(full_tty, &stbuf) < 0 || (stbuf.st_mode&020) == 0)
83 return (PERMISSION_DENIED);
77 struct stat stbuf;
78
79 (void)snprintf(full_tty, sizeof(full_tty),
80 "%s%s", _PATH_DEV, request->r_tty);
81 if (stat(full_tty, &stbuf) < 0 || (stbuf.st_mode&020) == 0)
82 return (PERMISSION_DENIED);
84 return (print_mesg(request->r_tty, tf, request, remote_machine));
83 return (print_mesg(request->r_tty, request, remote_machine));
85}
86
87#define max(a,b) ( (a) > (b) ? (a) : (b) )
88#define N_LINES 5
89#define N_CHARS 256
90
91/*
92 * Build a block of characters containing the message.
93 * It is sent blank filled and in a single block to
94 * try to keep the message in one piece if the recipient
95 * in in vi at the time
96 */
97int
84}
85
86#define max(a,b) ( (a) > (b) ? (a) : (b) )
87#define N_LINES 5
88#define N_CHARS 256
89
90/*
91 * Build a block of characters containing the message.
92 * It is sent blank filled and in a single block to
93 * try to keep the message in one piece if the recipient
94 * in in vi at the time
95 */
96int
98print_mesg(const char *tty, FILE *tf, CTL_MSG *request,
97print_mesg(const char *tty, CTL_MSG *request,
99 const char *remote_machine)
100{
98 const char *remote_machine)
99{
101 struct timeval clock;
100 struct timeval now;
102 time_t clock_sec;
103 struct timezone zone;
101 time_t clock_sec;
102 struct timezone zone;
104 struct tm *localtime();
105 struct tm *localclock;
106 struct iovec iovec;
107 char line_buf[N_LINES][N_CHARS];
108 int sizes[N_LINES];
109 char big_buf[N_LINES*N_CHARS];
110 char *bptr, *lptr, *vis_user;
111 int i, j, max_size;
112
113 i = 0;
114 max_size = 0;
103 struct tm *localclock;
104 struct iovec iovec;
105 char line_buf[N_LINES][N_CHARS];
106 int sizes[N_LINES];
107 char big_buf[N_LINES*N_CHARS];
108 char *bptr, *lptr, *vis_user;
109 int i, j, max_size;
110
111 i = 0;
112 max_size = 0;
115 gettimeofday(&clock, &zone);
116 clock_sec = clock.tv_sec;
113 gettimeofday(&now, &zone);
114 clock_sec = now.tv_sec;
117 localclock = localtime(&clock_sec);
118 (void)snprintf(line_buf[i], N_CHARS, " ");
119 sizes[i] = strlen(line_buf[i]);
120 max_size = max(max_size, sizes[i]);
121 i++;
122 (void)snprintf(line_buf[i], N_CHARS,
123 "Message from Talk_Daemon@%s at %d:%02d on %d/%.2d/%.2d ...",
124 hostname, localclock->tm_hour , localclock->tm_min,

--- 50 unchanged lines hidden --- 		115 localclock = localtime(&clock_sec);
116 (void)snprintf(line_buf[i], N_CHARS, " ");
117 sizes[i] = strlen(line_buf[i]);
118 max_size = max(max_size, sizes[i]);
119 i++;
120 (void)snprintf(line_buf[i], N_CHARS,
121 "Message from Talk_Daemon@%s at %d:%02d on %d/%.2d/%.2d ...",
122 hostname, localclock->tm_hour , localclock->tm_min,

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