Commit | Line | Data |
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22e155fc | 1 | /* |
38c299b1 KB |
2 | * Copyright (c) 1983 The Regents of the University of California. |
3 | * All rights reserved. | |
4 | * | |
cb956e54 | 5 | * %sccs.include.redist.c% |
22e155fc DF |
6 | */ |
7 | ||
8 | #ifndef lint | |
9 | char copyright[] = | |
38c299b1 | 10 | "@(#) Copyright (c) 1983 The Regents of the University of California.\n\ |
22e155fc | 11 | All rights reserved.\n"; |
38c299b1 | 12 | #endif /* not lint */ |
22e155fc | 13 | |
2b2bf619 | 14 | #ifndef lint |
cb956e54 | 15 | static char sccsid[] = "@(#)rwho.c 5.5 (Berkeley) %G%"; |
38c299b1 | 16 | #endif /* not lint */ |
2b2bf619 | 17 | |
ed0072ae | 18 | #include <sys/param.h> |
7123e2dc | 19 | #include <sys/dir.h> |
38c299b1 | 20 | #include <sys/file.h> |
5a7285fa | 21 | #include <protocols/rwhod.h> |
38c299b1 | 22 | #include <stdio.h> |
2b2bf619 | 23 | |
49722e0d | 24 | DIR *dirp; |
2b2bf619 BJ |
25 | |
26 | struct whod wd; | |
27 | int utmpcmp(); | |
28 | #define NUSERS 1000 | |
29 | struct myutmp { | |
38c299b1 | 30 | char myhost[MAXHOSTNAMELEN]; |
2b2bf619 | 31 | int myidle; |
26bcbdcb | 32 | struct outmp myutmp; |
2b2bf619 BJ |
33 | } myutmp[NUSERS]; |
34 | int nusers; | |
35 | ||
36 | #define WHDRSIZE (sizeof (wd) - sizeof (wd.wd_we)) | |
5b93ecb3 MK |
37 | /* |
38 | * this macro should be shared with ruptime. | |
39 | */ | |
40 | #define down(w,now) ((now) - (w)->wd_recvtime > 11 * 60) | |
2b2bf619 BJ |
41 | |
42 | char *ctime(), *strcpy(); | |
38c299b1 | 43 | time_t now; |
2b2bf619 BJ |
44 | int aflg; |
45 | ||
46 | main(argc, argv) | |
47 | int argc; | |
48 | char **argv; | |
49 | { | |
38c299b1 KB |
50 | extern char *optarg; |
51 | extern int optind; | |
52 | int ch; | |
2b2bf619 BJ |
53 | struct direct *dp; |
54 | int cc, width; | |
55 | register struct whod *w = &wd; | |
56 | register struct whoent *we; | |
57 | register struct myutmp *mp; | |
58 | int f, n, i; | |
38c299b1 | 59 | time_t time(); |
2b2bf619 | 60 | |
38c299b1 KB |
61 | while ((ch = getopt(argc, argv, "a")) != EOF) |
62 | switch((char)ch) { | |
63 | case 'a': | |
64 | aflg = 1; | |
65 | break; | |
66 | case '?': | |
67 | default: | |
68 | fprintf(stderr, "usage: rwho [-a]\n"); | |
69 | exit(1); | |
70 | } | |
435e8dff KB |
71 | if (chdir(_PATH_RWHODIR) || (dirp = opendir(".")) == NULL) { |
72 | perror(_PATH_RWHODIR); | |
2b2bf619 BJ |
73 | exit(1); |
74 | } | |
75 | mp = myutmp; | |
38c299b1 | 76 | (void)time(&now); |
49722e0d | 77 | while (dp = readdir(dirp)) { |
38c299b1 | 78 | if (dp->d_ino == 0 || strncmp(dp->d_name, "whod.", 5)) |
2b2bf619 | 79 | continue; |
38c299b1 | 80 | f = open(dp->d_name, O_RDONLY); |
2b2bf619 BJ |
81 | if (f < 0) |
82 | continue; | |
83 | cc = read(f, (char *)&wd, sizeof (struct whod)); | |
84 | if (cc < WHDRSIZE) { | |
85 | (void) close(f); | |
86 | continue; | |
87 | } | |
5b93ecb3 | 88 | if (down(w,now)) { |
2b2bf619 BJ |
89 | (void) close(f); |
90 | continue; | |
91 | } | |
92 | cc -= WHDRSIZE; | |
93 | we = w->wd_we; | |
94 | for (n = cc / sizeof (struct whoent); n > 0; n--) { | |
95 | if (aflg == 0 && we->we_idle >= 60*60) { | |
96 | we++; | |
97 | continue; | |
98 | } | |
99 | if (nusers >= NUSERS) { | |
100 | printf("too many users\n"); | |
101 | exit(1); | |
102 | } | |
103 | mp->myutmp = we->we_utmp; mp->myidle = we->we_idle; | |
104 | (void) strcpy(mp->myhost, w->wd_hostname); | |
105 | nusers++; we++; mp++; | |
106 | } | |
107 | (void) close(f); | |
108 | } | |
109 | qsort((char *)myutmp, nusers, sizeof (struct myutmp), utmpcmp); | |
110 | mp = myutmp; | |
111 | width = 0; | |
112 | for (i = 0; i < nusers; i++) { | |
26bcbdcb | 113 | int j = strlen(mp->myhost) + 1 + strlen(mp->myutmp.out_line); |
2b2bf619 BJ |
114 | if (j > width) |
115 | width = j; | |
116 | mp++; | |
117 | } | |
118 | mp = myutmp; | |
119 | for (i = 0; i < nusers; i++) { | |
2269668b | 120 | char buf[BUFSIZ]; |
5b93ecb3 | 121 | (void)sprintf(buf, "%s:%s", mp->myhost, mp->myutmp.out_line); |
2b2bf619 | 122 | printf("%-8.8s %-*s %.12s", |
26bcbdcb | 123 | mp->myutmp.out_name, |
2b2bf619 BJ |
124 | width, |
125 | buf, | |
26bcbdcb | 126 | ctime((time_t *)&mp->myutmp.out_time)+4); |
2b2bf619 BJ |
127 | mp->myidle /= 60; |
128 | if (mp->myidle) { | |
129 | if (aflg) { | |
130 | if (mp->myidle >= 100*60) | |
131 | mp->myidle = 100*60 - 1; | |
132 | if (mp->myidle >= 60) | |
133 | printf(" %2d", mp->myidle / 60); | |
134 | else | |
135 | printf(" "); | |
136 | } else | |
137 | printf(" "); | |
138 | printf(":%02d", mp->myidle % 60); | |
139 | } | |
140 | printf("\n"); | |
141 | mp++; | |
142 | } | |
143 | exit(0); | |
144 | } | |
145 | ||
146 | utmpcmp(u1, u2) | |
147 | struct myutmp *u1, *u2; | |
148 | { | |
149 | int rc; | |
150 | ||
26bcbdcb | 151 | rc = strncmp(u1->myutmp.out_name, u2->myutmp.out_name, 8); |
2b2bf619 BJ |
152 | if (rc) |
153 | return (rc); | |
154 | rc = strncmp(u1->myhost, u2->myhost, 8); | |
155 | if (rc) | |
156 | return (rc); | |
26bcbdcb | 157 | return (strncmp(u1->myutmp.out_line, u2->myutmp.out_line, 8)); |
2b2bf619 | 158 | } |