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
|
/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for the ZSetLocation, ZUnsetLocation, ZHideLocation,
* and ZUnhideLocation functions.
*
* Created by: Robert French
*
* $Source$
* $Author$
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
/* $Header$ */
#ifndef lint
static char rcsid_ZLocations_c[] = "$Header$";
#endif lint
#include <zephyr/mit-copyright.h>
#include <zephyr/zephyr_internal.h>
#include <pwd.h>
#include <sys/file.h>
#include <sys/param.h>
#include <netdb.h>
uid_t getuid();
Code_t ZSetLocation()
{
char bfr[BUFSIZ];
int quiet;
struct passwd *pw;
quiet = 0;
/* XXX a uid_t is a u_short (now), but getpwuid wants an int. AARGH! */
if (pw = getpwuid((int) getuid())) {
(void) sprintf(bfr,"%s/.hideme",pw->pw_dir);
quiet = !access(bfr,F_OK);
}
return (Z_SendLocation(LOGIN_CLASS,quiet?LOGIN_QUIET_LOGIN:
LOGIN_USER_LOGIN,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 ZHideLocation()
{
return (Z_SendLocation(LOCATE_CLASS,LOCATE_HIDE,ZAUTH,(char *)0));
}
Code_t ZUnhideLocation()
{
return (Z_SendLocation(LOCATE_CLASS,LOCATE_UNHIDE,ZAUTH,(char *)0));
}
Z_SendLocation(class,opcode,auth,format)
char *class;
char *opcode;
int (*auth)();
char *format;
{
char *ttyname(),*ctime();
int retval;
long ourtime;
ZNotice_t notice,retnotice;
ZPacket_t buffer;
char *bptr[3],host[MAXHOSTNAMELEN],mytty[100];
struct hostent *hent;
notice.z_kind = ACKED;
notice.z_port = 0;
notice.z_class = class;
notice.z_class_inst = ZGetSender();
notice.z_opcode = opcode;
notice.z_sender = 0;
notice.z_recipient = "";
notice.z_default_format = format;
if (gethostname(host,MAXHOSTNAMELEN) < 0)
return (errno);
hent = gethostbyname(host);
if (!hent)
bptr[0] = "unknown";
else {
(void) strcpy(host,hent->h_name);
bptr[0] = host;
}
ourtime = time((long *)0);
bptr[1] = ctime(&ourtime);
bptr[1][strlen(bptr[1])-1] = '\0';
(void) strcpy(mytty,ttyname(0));
bptr[2] = rindex(mytty,'/');
if (bptr[2])
bptr[2]++;
else
bptr[2] = mytty;
if ((retval = ZSendList(¬ice,bptr,3,auth)) != ZERR_NONE)
return (retval);
if ((retval = ZIfNotice(buffer,sizeof buffer,&retnotice,
(struct sockaddr_in *)0,
ZCompareUIDPred,(char *)¬ice.z_uid)) !=
ZERR_NONE)
return (retval);
if (retnotice.z_kind == SERVNAK) {
if (!retnotice.z_message_len)
return (ZERR_SERVNAK);
if (!strcmp(retnotice.z_message,ZSRVACK_NOTSENT))
return (ZERR_AUTHFAIL);
if (!strcmp(retnotice.z_message,ZSRVACK_FAIL))
return (ZERR_LOGINFAIL);
return (ZERR_SERVNAK);
}
if (retnotice.z_kind != SERVACK)
return (ZERR_INTERNAL);
if (!retnotice.z_message_len)
return (ZERR_INTERNAL);
if (strcmp(retnotice.z_message,ZSRVACK_SENT) &&
strcmp(retnotice.z_message,ZSRVACK_NOTSENT))
return (ZERR_INTERNAL);
return (ZERR_NONE);
}
|
