Commit | Line | Data |
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22e155fc DF |
1 | /* |
2 | * Copyright (c) 1983 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | char copyright[] = | |
9 | "@(#) Copyright (c) 1983 Regents of the University of California.\n\ | |
10 | All rights reserved.\n"; | |
11 | #endif not lint | |
12 | ||
2b2bf619 | 13 | #ifndef lint |
5a7285fa | 14 | static char sccsid[] = "@(#)rwho.c 5.2 (Berkeley) %G%"; |
22e155fc | 15 | #endif not lint |
2b2bf619 | 16 | |
ed0072ae | 17 | #include <sys/param.h> |
2b2bf619 | 18 | #include <stdio.h> |
7123e2dc | 19 | #include <sys/dir.h> |
5a7285fa | 20 | #include <protocols/rwhod.h> |
2b2bf619 | 21 | |
49722e0d | 22 | DIR *dirp; |
2b2bf619 BJ |
23 | |
24 | struct whod wd; | |
25 | int utmpcmp(); | |
26 | #define NUSERS 1000 | |
27 | struct myutmp { | |
28 | char myhost[32]; | |
29 | int myidle; | |
26bcbdcb | 30 | struct outmp myutmp; |
2b2bf619 BJ |
31 | } myutmp[NUSERS]; |
32 | int nusers; | |
33 | ||
34 | #define WHDRSIZE (sizeof (wd) - sizeof (wd.wd_we)) | |
fe77431f | 35 | #define RWHODIR "/usr/spool/rwho" |
5b93ecb3 MK |
36 | /* |
37 | * this macro should be shared with ruptime. | |
38 | */ | |
39 | #define down(w,now) ((now) - (w)->wd_recvtime > 11 * 60) | |
2b2bf619 BJ |
40 | |
41 | char *ctime(), *strcpy(); | |
42 | int now; | |
43 | int aflg; | |
44 | ||
45 | main(argc, argv) | |
46 | int argc; | |
47 | char **argv; | |
48 | { | |
49 | struct direct *dp; | |
50 | int cc, width; | |
51 | register struct whod *w = &wd; | |
52 | register struct whoent *we; | |
53 | register struct myutmp *mp; | |
54 | int f, n, i; | |
55 | ||
56 | argc--, argv++; | |
57 | again: | |
58 | if (argc > 0 && !strcmp(argv[0], "-a")) { | |
59 | argc--, argv++; | |
60 | aflg++; | |
61 | goto again; | |
62 | } | |
63 | (void) time(&now); | |
a82aa56a SL |
64 | if (chdir(RWHODIR) < 0) { |
65 | perror(RWHODIR); | |
2b2bf619 BJ |
66 | exit(1); |
67 | } | |
49722e0d CL |
68 | dirp = opendir("."); |
69 | if (dirp == NULL) { | |
70 | perror(RWHODIR); | |
2b2bf619 BJ |
71 | exit(1); |
72 | } | |
73 | mp = myutmp; | |
49722e0d | 74 | while (dp = readdir(dirp)) { |
2b2bf619 BJ |
75 | if (dp->d_ino == 0) |
76 | continue; | |
77 | if (strncmp(dp->d_name, "whod.", 5)) | |
78 | continue; | |
79 | f = open(dp->d_name, 0); | |
80 | if (f < 0) | |
81 | continue; | |
82 | cc = read(f, (char *)&wd, sizeof (struct whod)); | |
83 | if (cc < WHDRSIZE) { | |
84 | (void) close(f); | |
85 | continue; | |
86 | } | |
5b93ecb3 | 87 | if (down(w,now)) { |
2b2bf619 BJ |
88 | (void) close(f); |
89 | continue; | |
90 | } | |
91 | cc -= WHDRSIZE; | |
92 | we = w->wd_we; | |
93 | for (n = cc / sizeof (struct whoent); n > 0; n--) { | |
94 | if (aflg == 0 && we->we_idle >= 60*60) { | |
95 | we++; | |
96 | continue; | |
97 | } | |
98 | if (nusers >= NUSERS) { | |
99 | printf("too many users\n"); | |
100 | exit(1); | |
101 | } | |
102 | mp->myutmp = we->we_utmp; mp->myidle = we->we_idle; | |
103 | (void) strcpy(mp->myhost, w->wd_hostname); | |
104 | nusers++; we++; mp++; | |
105 | } | |
106 | (void) close(f); | |
107 | } | |
108 | qsort((char *)myutmp, nusers, sizeof (struct myutmp), utmpcmp); | |
109 | mp = myutmp; | |
110 | width = 0; | |
111 | for (i = 0; i < nusers; i++) { | |
26bcbdcb | 112 | int j = strlen(mp->myhost) + 1 + strlen(mp->myutmp.out_line); |
2b2bf619 BJ |
113 | if (j > width) |
114 | width = j; | |
115 | mp++; | |
116 | } | |
117 | mp = myutmp; | |
118 | for (i = 0; i < nusers; i++) { | |
2269668b | 119 | char buf[BUFSIZ]; |
5b93ecb3 | 120 | (void)sprintf(buf, "%s:%s", mp->myhost, mp->myutmp.out_line); |
2b2bf619 | 121 | printf("%-8.8s %-*s %.12s", |
26bcbdcb | 122 | mp->myutmp.out_name, |
2b2bf619 BJ |
123 | width, |
124 | buf, | |
26bcbdcb | 125 | ctime((time_t *)&mp->myutmp.out_time)+4); |
2b2bf619 BJ |
126 | mp->myidle /= 60; |
127 | if (mp->myidle) { | |
128 | if (aflg) { | |
129 | if (mp->myidle >= 100*60) | |
130 | mp->myidle = 100*60 - 1; | |
131 | if (mp->myidle >= 60) | |
132 | printf(" %2d", mp->myidle / 60); | |
133 | else | |
134 | printf(" "); | |
135 | } else | |
136 | printf(" "); | |
137 | printf(":%02d", mp->myidle % 60); | |
138 | } | |
139 | printf("\n"); | |
140 | mp++; | |
141 | } | |
142 | exit(0); | |
143 | } | |
144 | ||
145 | utmpcmp(u1, u2) | |
146 | struct myutmp *u1, *u2; | |
147 | { | |
148 | int rc; | |
149 | ||
26bcbdcb | 150 | rc = strncmp(u1->myutmp.out_name, u2->myutmp.out_name, 8); |
2b2bf619 BJ |
151 | if (rc) |
152 | return (rc); | |
153 | rc = strncmp(u1->myhost, u2->myhost, 8); | |
154 | if (rc) | |
155 | return (rc); | |
26bcbdcb | 156 | return (strncmp(u1->myutmp.out_line, u2->myutmp.out_line, 8)); |
2b2bf619 | 157 | } |