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1 | /* $Header$ | |
2 | * | |
3 | * This generates a list of users and their MIT ID numbers and the | |
4 | * signatures which guarentee this mapping. | |
5 | * | |
6 | * (c) Copyright 1992 by the Massachusetts Institute of Technology. | |
7 | * For copying and distribution information, please see the file | |
8 | * <mit-copyright.h>. | |
9 | */ | |
10 | ||
11 | #include <mit-copyright.h> | |
12 | #include <stdio.h> | |
13 | #include <moira.h> | |
14 | #include <moira_site.h> | |
15 | #include <des.h> | |
16 | #include <krb.h> | |
17 | #include <gdss.h> | |
18 | #include <sys/types.h> | |
19 | #include <sys/stat.h> | |
20 | #include <sys/time.h> | |
21 | #include <sys/file.h> | |
22 | #include <strings.h> | |
23 | #include <ctype.h> | |
24 | EXEC SQL INCLUDE sqlca; | |
25 | ||
26 | extern int errno; | |
27 | char *whoami = "sis.gen"; | |
28 | ||
29 | ||
30 | main(argc, argv) | |
31 | int argc; | |
32 | char **argv; | |
33 | { | |
34 | int out = 1 /* stdout */; | |
35 | char *outf = NULL, outft[64]; | |
36 | struct stat sb; | |
37 | int flag1; | |
38 | SigInfo si; | |
39 | struct timeval now; | |
40 | EXEC SQL BEGIN DECLARE SECTION; | |
41 | char login[9], sig[257], id[17], kname[257]; | |
42 | int timestamp, cutoff; | |
43 | struct { char login[12]; | |
44 | char id[12]; | |
45 | char sig[256]; | |
46 | } outrec; | |
47 | EXEC SQL END DECLARE SECTION; | |
48 | ||
49 | initialize_sms_error_table (); | |
50 | ||
51 | #ifsql INGRES | |
52 | EXEC SQL CONNECT moira; | |
53 | EXEC SQL SET LOCKMODE SESSION WHERE LEVEL=TABLE, READLOCK=SHARED; | |
54 | #endsql | |
55 | #ifsql INFORMIX | |
56 | EXEC SQL DATABASE moira; | |
57 | #endsql | |
58 | ||
59 | if (argc == 2) { | |
60 | if (stat(argv[1], &sb) == 0) { | |
61 | if (ModDiff (&flag1, "users", sb.st_mtime) == 0 && | |
62 | flag1 < 0) { | |
63 | fprintf(stderr, "File %s does not need to be rebuilt.\n", | |
64 | argv[1]); | |
65 | exit(MR_NO_CHANGE); | |
66 | } | |
67 | } | |
68 | outf = argv[1]; | |
69 | sprintf(outft, "%s~", outf); | |
70 | if ((out = open(outft, O_WRONLY|O_APPEND|O_CREAT|O_TRUNC, 0666)) < 0) { | |
71 | fprintf(stderr, "unable to open %s for output\n", outf); | |
72 | exit(MR_OCONFIG); | |
73 | } | |
74 | } else if (argc != 1) { | |
75 | fprintf(stderr, "usage: %s [outfile]\n", argv[0]); | |
76 | exit(MR_ARGS); | |
77 | } else { | |
78 | outf = NULL; | |
79 | } | |
80 | ||
81 | /* the cutoff time is 14 days before now */ | |
82 | gettimeofday(&now, NULL); | |
83 | cutoff = now.tv_sec - 14 * 24 * 60 * 60; | |
84 | ||
85 | /* The following is declarative, not executed, | |
86 | * and so is dependent on where it is in the file, | |
87 | * not in the order of execution of statements. | |
88 | */ | |
89 | EXEC SQL WHENEVER SQLERROR GOTO sqlerr; | |
90 | ||
91 | EXEC SQL DECLARE x CURSOR FOR | |
92 | SELECT u.login, u.clearid, u.signature, u.sigdate, s.string | |
93 | FROM users u, strings s | |
94 | WHERE u.status = 1 and u.sigwho = s.string_id and u.sigwho != 0 | |
95 | and u.secure <= :cutoff and u.secure != 0; | |
96 | EXEC SQL OPEN x; | |
97 | while (1) { | |
98 | EXEC SQL FETCH x INTO :login, :id, :sig, :timestamp, :kname; | |
99 | if (sqlca.sqlcode != 0) break; | |
100 | if (id == 0) continue; | |
101 | if (!isdigit(id[1])) continue; | |
102 | strtrim(login); | |
103 | strtrim(id); | |
104 | strtrim(kname); | |
105 | strcpy(outrec.login, login); | |
106 | strcpy(outrec.id, id); | |
107 | si.timestamp = timestamp; | |
108 | si.SigInfoVersion = 0; /* XXXXXX this isn't used */ | |
109 | kname_parse(si.pname, si.pinst, si.prealm, kname); | |
110 | si.rawsig = (unsigned char *)sig; | |
111 | GDSS_Recompose(&si, outrec.sig); | |
112 | write(out, &outrec, sizeof(outrec)); | |
113 | } | |
114 | EXEC SQL CLOSE x; | |
115 | ||
116 | #ifsql INGRES | |
117 | EXEC SQL DISCONNECT; | |
118 | #endsql | |
119 | #ifsql INFORMIX | |
120 | EXEC SQL CLOSE DATABASE; | |
121 | #endsql | |
122 | ||
123 | if (close(out)) { | |
124 | perror("close failed"); | |
125 | exit(MR_CCONFIG); | |
126 | } | |
127 | if (outf) | |
128 | fix_file(outf); | |
129 | exit(MR_SUCCESS); | |
130 | ||
131 | sqlerr: | |
132 | com_err(whoami, MR_INGRES_ERR, " code %d\n", sqlca.sqlcode); | |
133 | #ifsql INGRES | |
134 | if (sqlca.sqlcode == 17700 || sqlca.sqlcode == -37000) | |
135 | exit(MR_DEADLOCK); | |
136 | #endsql | |
137 | critical_alert("DCM", "SIS build encountered INGRES ERROR %d", | |
138 | sqlca.sqlcode); | |
139 | exit(MR_INGRES_ERR); | |
140 | } |