1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for the ZSetLocation, ZUnsetLocation, and
* ZFlushMyLocations functions.
*
* Created by: Robert French
*
* Copyright (c) 1987,1988,1991 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
#include "internal.h"
#ifndef WIN32
#include <pwd.h>
#endif
#include <stdlib.h>
#include <errno.h>
Code_t ZSetLocation(exposure)
char *exposure;
{
return (Z_SendLocation(LOGIN_CLASS, exposure, ZAUTH,
"$sender logged in to $1 on $3 at $2"));
}
Code_t ZUnsetLocation()
{
return (Z_SendLocation(LOGIN_CLASS, LOGIN_USER_LOGOUT, ZNOAUTH,
"$sender logged out of $1 on $3 at $2"));
}
Code_t ZFlushMyLocations()
{
return (Z_SendLocation(LOGIN_CLASS, LOGIN_USER_FLUSH, ZAUTH, ""));
}
static char host[MAXHOSTNAMELEN];
static char *mytty = NULL;
static int reenter = 0;
Code_t Z_SendLocation(class, opcode, auth, format)
char *class;
char *opcode;
Z_AuthProc auth;
char *format;
{
int retval;
time_t ourtime;
ZNotice_t notice, retnotice;
char *bptr[3];
#ifndef X_DISPLAY_MISSING
char *display;
#endif
#ifndef WIN32
char *ttyp;
char *p;
#endif
struct hostent *hent;
short wg_port = ZGetWGPort();
(void) memset((char *)¬ice, 0, sizeof(notice));
notice.z_kind = ACKED;
notice.z_port = (unsigned short) ((wg_port == -1) ? 0 : wg_port);
notice.z_class = class;
notice.z_class_inst = ZGetSender();
notice.z_opcode = opcode;
notice.z_sender = 0;
notice.z_recipient = "";
notice.z_num_other_fields = 0;
notice.z_default_format = format;
/*
keep track of what we said before so that we can be consistent
when changing location information.
This is done mainly for the sake of the WindowGram client.
*/
if (!reenter) {
if (gethostname(host, MAXHOSTNAMELEN) < 0)
return (errno);
hent = gethostbyname(host);
if (hent) {
(void) strncpy(host, hent->h_name, sizeof(host));
host[sizeof(host) - 1] = '\0';
}
#ifndef X_DISPLAY_MISSING
if ((display = getenv("DISPLAY")) && *display) {
mytty = g_strdup(display);
} else {
#endif
#ifdef WIN32
mytty = g_strdup("WinPurple");
#else
ttyp = ttyname(0);
if (ttyp && *ttyp) {
p = strchr(ttyp + 1, '/');
mytty = g_strdup((p) ? p + 1 : ttyp);
} else {
mytty = g_strdup("unknown");
}
#endif
#ifndef X_DISPLAY_MISSING
}
#endif
reenter = 1;
}
ourtime = time((time_t *)0);
bptr[0] = host;
bptr[1] = ctime(&ourtime);
bptr[1][strlen(bptr[1])-1] = '\0';
bptr[2] = mytty;
if ((retval = ZSendList(¬ice, bptr, 3, auth)) != ZERR_NONE)
return (retval);
retval = Z_WaitForNotice (&retnotice, ZCompareUIDPred, ¬ice.z_uid,
SRV_TIMEOUT);
if (retval != ZERR_NONE)
return retval;
if (retnotice.z_kind == SERVNAK) {
if (!retnotice.z_message_len) {
ZFreeNotice(&retnotice);
return (ZERR_SERVNAK);
}
if (!strcmp(retnotice.z_message, ZSRVACK_NOTSENT)) {
ZFreeNotice(&retnotice);
return (ZERR_AUTHFAIL);
}
if (!strcmp(retnotice.z_message, ZSRVACK_FAIL)) {
ZFreeNotice(&retnotice);
return (ZERR_LOGINFAIL);
}
ZFreeNotice(&retnotice);
return (ZERR_SERVNAK);
}
if (retnotice.z_kind != SERVACK) {
ZFreeNotice(&retnotice);
return (ZERR_INTERNAL);
}
if (!retnotice.z_message_len) {
ZFreeNotice(&retnotice);
return (ZERR_INTERNAL);
}
if (strcmp(retnotice.z_message, ZSRVACK_SENT) &&
strcmp(retnotice.z_message, ZSRVACK_NOTSENT)) {
ZFreeNotice(&retnotice);
return (ZERR_INTERNAL);
}
ZFreeNotice(&retnotice);
return (ZERR_NONE);
}
|
