Commit | Line | Data |
---|---|---|
2b2bf619 | 1 | #ifndef lint |
36b77661 | 2 | static char sccsid[] = "@(#)rwho.c 4.9 (Berkeley) 85/05/07"; |
2b2bf619 BJ |
3 | #endif |
4 | ||
ed0072ae | 5 | #include <sys/param.h> |
2b2bf619 | 6 | #include <stdio.h> |
7123e2dc SL |
7 | #include <sys/dir.h> |
8 | #include "../etc/rwhod/rwhod.h" | |
2b2bf619 | 9 | |
49722e0d | 10 | DIR *dirp; |
2b2bf619 BJ |
11 | |
12 | struct whod wd; | |
13 | int utmpcmp(); | |
14 | #define NUSERS 1000 | |
15 | struct myutmp { | |
16 | char myhost[32]; | |
17 | int myidle; | |
26bcbdcb | 18 | struct outmp myutmp; |
2b2bf619 BJ |
19 | } myutmp[NUSERS]; |
20 | int nusers; | |
21 | ||
22 | #define WHDRSIZE (sizeof (wd) - sizeof (wd.wd_we)) | |
fe77431f | 23 | #define RWHODIR "/usr/spool/rwho" |
5b93ecb3 MK |
24 | /* |
25 | * this macro should be shared with ruptime. | |
26 | */ | |
27 | #define down(w,now) ((now) - (w)->wd_recvtime > 11 * 60) | |
2b2bf619 BJ |
28 | |
29 | char *ctime(), *strcpy(); | |
30 | int now; | |
31 | int aflg; | |
32 | ||
33 | main(argc, argv) | |
34 | int argc; | |
35 | char **argv; | |
36 | { | |
37 | struct direct *dp; | |
38 | int cc, width; | |
39 | register struct whod *w = &wd; | |
40 | register struct whoent *we; | |
41 | register struct myutmp *mp; | |
42 | int f, n, i; | |
43 | ||
44 | argc--, argv++; | |
45 | again: | |
46 | if (argc > 0 && !strcmp(argv[0], "-a")) { | |
47 | argc--, argv++; | |
48 | aflg++; | |
49 | goto again; | |
50 | } | |
51 | (void) time(&now); | |
a82aa56a SL |
52 | if (chdir(RWHODIR) < 0) { |
53 | perror(RWHODIR); | |
2b2bf619 BJ |
54 | exit(1); |
55 | } | |
49722e0d CL |
56 | dirp = opendir("."); |
57 | if (dirp == NULL) { | |
58 | perror(RWHODIR); | |
2b2bf619 BJ |
59 | exit(1); |
60 | } | |
61 | mp = myutmp; | |
49722e0d | 62 | while (dp = readdir(dirp)) { |
2b2bf619 BJ |
63 | if (dp->d_ino == 0) |
64 | continue; | |
65 | if (strncmp(dp->d_name, "whod.", 5)) | |
66 | continue; | |
67 | f = open(dp->d_name, 0); | |
68 | if (f < 0) | |
69 | continue; | |
70 | cc = read(f, (char *)&wd, sizeof (struct whod)); | |
71 | if (cc < WHDRSIZE) { | |
72 | (void) close(f); | |
73 | continue; | |
74 | } | |
5b93ecb3 | 75 | if (down(w,now)) { |
2b2bf619 BJ |
76 | (void) close(f); |
77 | continue; | |
78 | } | |
79 | cc -= WHDRSIZE; | |
80 | we = w->wd_we; | |
81 | for (n = cc / sizeof (struct whoent); n > 0; n--) { | |
82 | if (aflg == 0 && we->we_idle >= 60*60) { | |
83 | we++; | |
84 | continue; | |
85 | } | |
86 | if (nusers >= NUSERS) { | |
87 | printf("too many users\n"); | |
88 | exit(1); | |
89 | } | |
90 | mp->myutmp = we->we_utmp; mp->myidle = we->we_idle; | |
91 | (void) strcpy(mp->myhost, w->wd_hostname); | |
92 | nusers++; we++; mp++; | |
93 | } | |
94 | (void) close(f); | |
95 | } | |
96 | qsort((char *)myutmp, nusers, sizeof (struct myutmp), utmpcmp); | |
97 | mp = myutmp; | |
98 | width = 0; | |
99 | for (i = 0; i < nusers; i++) { | |
26bcbdcb | 100 | int j = strlen(mp->myhost) + 1 + strlen(mp->myutmp.out_line); |
2b2bf619 BJ |
101 | if (j > width) |
102 | width = j; | |
103 | mp++; | |
104 | } | |
105 | mp = myutmp; | |
106 | for (i = 0; i < nusers; i++) { | |
107 | char buf[22]; | |
5b93ecb3 | 108 | (void)sprintf(buf, "%s:%s", mp->myhost, mp->myutmp.out_line); |
2b2bf619 | 109 | printf("%-8.8s %-*s %.12s", |
26bcbdcb | 110 | mp->myutmp.out_name, |
2b2bf619 BJ |
111 | width, |
112 | buf, | |
26bcbdcb | 113 | ctime((time_t *)&mp->myutmp.out_time)+4); |
2b2bf619 BJ |
114 | mp->myidle /= 60; |
115 | if (mp->myidle) { | |
116 | if (aflg) { | |
117 | if (mp->myidle >= 100*60) | |
118 | mp->myidle = 100*60 - 1; | |
119 | if (mp->myidle >= 60) | |
120 | printf(" %2d", mp->myidle / 60); | |
121 | else | |
122 | printf(" "); | |
123 | } else | |
124 | printf(" "); | |
125 | printf(":%02d", mp->myidle % 60); | |
126 | } | |
127 | printf("\n"); | |
128 | mp++; | |
129 | } | |
130 | exit(0); | |
131 | } | |
132 | ||
133 | utmpcmp(u1, u2) | |
134 | struct myutmp *u1, *u2; | |
135 | { | |
136 | int rc; | |
137 | ||
26bcbdcb | 138 | rc = strncmp(u1->myutmp.out_name, u2->myutmp.out_name, 8); |
2b2bf619 BJ |
139 | if (rc) |
140 | return (rc); | |
141 | rc = strncmp(u1->myhost, u2->myhost, 8); | |
142 | if (rc) | |
143 | return (rc); | |
26bcbdcb | 144 | return (strncmp(u1->myutmp.out_line, u2->myutmp.out_line, 8)); |
2b2bf619 | 145 | } |