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Commit | Line | Data |
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02cd9ede | 1 | /* $Header$ |
2 | * | |
3 | * This program will verify signatures on user records in the database. | |
4 | */ | |
5 | ||
6 | #include <stdio.h> | |
9f5e5c05 | 7 | #include <string.h> |
02cd9ede | 8 | #include <ctype.h> |
9 | #include <sys/time.h> | |
10 | #include <moira.h> | |
11 | #include <moira_site.h> | |
12 | #include <des.h> | |
13 | #include <krb.h> | |
ebacc4d8 | 14 | #include <krb_err.h> |
02cd9ede | 15 | #include <gdss.h> |
8da3291e | 16 | EXEC SQL INCLUDE sqlca; |
02cd9ede | 17 | |
18 | ||
19 | char *program; | |
20 | ||
21 | main(argc, argv) | |
22 | int argc; | |
23 | char **argv; | |
8da3291e | 24 | { |
9f5e5c05 | 25 | char buf[BUFSIZ], *usercheck[100], sigbuf[256], *data, *db="moira"; |
8da3291e | 26 | SigInfo si; |
ebacc4d8 | 27 | struct save_queue *sq; |
8da3291e | 28 | int status, i, wait, check, debug, fix; |
29 | EXEC SQL BEGIN DECLARE SECTION; | |
30 | char login[10], mid[32], rawsig[256], who[257]; | |
9f5e5c05 | 31 | EXEC SQL VAR rawsig IS STRING(256); |
8da3291e | 32 | int id, timestamp, sms; |
33 | EXEC SQL END DECLARE SECTION; | |
02cd9ede | 34 | |
8da3291e | 35 | initialize_sms_error_table(); |
36 | initialize_krb_error_table(); | |
37 | initialize_gdss_error_table(); | |
02cd9ede | 38 | |
8da3291e | 39 | program = "sign"; |
40 | check = debug = fix = 0; | |
02cd9ede | 41 | |
8da3291e | 42 | for (i = 1; i < argc; i++) { |
02cd9ede | 43 | if (!strcmp(argv[i], "-w")) |
44 | wait++; | |
45 | else if (!strcmp(argv[i], "-d")) | |
46 | debug++; | |
47 | else if (!strcmp(argv[i], "-D")) | |
48 | setenv("ING_SET", "set printqry"); | |
8da3291e | 49 | else if (!strcmp(argv[i], "-fix")) |
50 | fix++; | |
02cd9ede | 51 | else if (argv[i][0] == '-') |
8da3291e | 52 | fprintf(stderr, "Usage: %s [-w] [-D] [-fix]\n", argv[0]); |
02cd9ede | 53 | else usercheck[check++] = argv[i]; |
54 | } | |
55 | ||
9f5e5c05 | 56 | EXEC SQL CONNECT :db IDENTIFIED BY :db; |
8da3291e | 57 | |
58 | if (fix) { | |
59 | /* Set the name of our kerberos ticket file */ | |
60 | krb_set_tkt_string("/tmp/tkt_sign"); | |
61 | status = 1; | |
62 | while (status) { | |
63 | printf("Authenticating as moira.extra:\n"); | |
64 | status = krb_get_pw_in_tkt("moira", "extra", "ATHENA.MIT.EDU", | |
65 | "krbtgt", "ATHENA.MIT.EDU", | |
66 | DEFAULT_TKT_LIFE, 0); | |
67 | if (status != 0) | |
68 | com_err(program, status + krb_err_base, " in krb_get_pw_in_tkt"); | |
69 | } | |
ebacc4d8 | 70 | com_err(program, 0, "authenticated OK"); |
02cd9ede | 71 | |
8da3291e | 72 | sms = 0; |
73 | EXEC SQL SELECT string_id INTO :sms FROM strings | |
74 | WHERE string='moira.extra@ATHENA.MIT.EDU'; | |
75 | if (sms == 0) { | |
76 | com_err(program, 0, " failed to find string moira.extra@ATHENA.MIT.EDU in database"); | |
77 | dest_tkt(); | |
78 | exit(1); | |
79 | } | |
ebacc4d8 | 80 | |
81 | sq = sq_create(); | |
8da3291e | 82 | } |
83 | ||
84 | if (check == 0) { | |
85 | EXEC SQL DECLARE c CURSOR FOR | |
86 | SELECT login, clearid, signature, string, sigdate | |
87 | FROM users, strings | |
9f5e5c05 | 88 | WHERE signature != CHR(0) and sigwho = string_id; |
8da3291e | 89 | EXEC SQL OPEN c; |
90 | while (1) { | |
91 | EXEC SQL FETCH c INTO :login, :mid, :rawsig, :who, :timestamp; | |
92 | if (sqlca.sqlcode != 0) break; | |
02cd9ede | 93 | sprintf(buf, "%s:%s", strtrim(login), strtrim(mid)); |
94 | si.timestamp = timestamp; | |
95 | si.SigInfoVersion = 0; | |
96 | kname_parse(si.pname, si.pinst, si.prealm, strtrim(who)); | |
97 | si.rawsig = (unsigned char *) &rawsig[0]; | |
98 | status = GDSS_Recompose(&si, sigbuf); | |
99 | if (status) { | |
8da3291e | 100 | com_err(program, gdss2et(status), "recomposing for user %s", |
101 | login); | |
02cd9ede | 102 | continue; |
103 | } | |
104 | si.rawsig = NULL; | |
105 | status = GDSS_Verify(buf, strlen(buf), sigbuf, &si); | |
106 | if (status) { | |
107 | com_err(program, gdss2et(status), "verifying user %s", login); | |
108 | } | |
ebacc4d8 | 109 | if (fix && status == GDSS_E_BADSIG) { |
110 | sq_save_data(sq, strsave(buf)); | |
111 | } | |
112 | if (wait) { | |
113 | printf("Next"); | |
114 | fflush(stdout); | |
115 | gets(buf); | |
116 | } | |
117 | } | |
118 | if (fix) { | |
119 | while (sq_get_data(sq, &data)) { | |
120 | strncpy(login, data, 8); | |
9f5e5c05 | 121 | if (strchr(login, ':')) |
122 | *strchr(login, ':') = 0; | |
8da3291e | 123 | again: |
ebacc4d8 | 124 | com_err(program, 0, "fixing sig for %s", login); |
125 | status = GDSS_Sign(data, strlen(data), sigbuf, &si); | |
8da3291e | 126 | if (status) { |
127 | com_err(program, gdss2et(status), "signing data"); | |
128 | continue; | |
129 | } | |
ebacc4d8 | 130 | si.rawsig = (unsigned char *)rawsig; |
131 | status = GDSS_Verify(data, strlen(data), sigbuf, &si); | |
8da3291e | 132 | if (status) { |
133 | com_err(program, gdss2et(status), "verifying data"); | |
134 | continue; | |
135 | } | |
136 | if (strlen(rawsig) > 68) { | |
137 | sleep(1); | |
138 | goto again; | |
139 | } | |
140 | ||
141 | timestamp = si.timestamp; | |
9f5e5c05 | 142 | EXEC SQL UPDATE users |
8da3291e | 143 | SET signature = :rawsig, sigwho = :sms, sigdate = :timestamp |
144 | WHERE login = :login; | |
145 | if (sqlca.sqlcode != 0) { | |
9f5e5c05 | 146 | com_err(program, 0, "dbms error %d", sqlca.sqlcode); |
8da3291e | 147 | dest_tkt(); |
148 | exit(1); | |
149 | } | |
150 | EXEC SQL COMMIT WORK; | |
151 | } | |
8da3291e | 152 | } |
02cd9ede | 153 | } else { |
154 | for (i = check - 1; i >= 0; i--) { | |
155 | strcpy(login, usercheck[i]); | |
8da3291e | 156 | EXEC SQL DECLARE s CURSOR FOR |
157 | SELECT clearid, signature, string, sigdate | |
158 | FROM users, strings | |
9f5e5c05 | 159 | WHERE sigwho = string_id and login = :login; |
8da3291e | 160 | EXEC SQL OPEN s; |
161 | while (1) { | |
162 | EXEC SQL FETCH s INTO :mid, :rawsig, :who, :timestamp; | |
163 | if (sqlca.sqlcode != 0) break; | |
02cd9ede | 164 | sprintf(buf, "%s:%s", strtrim(login), strtrim(mid)); |
165 | if (debug) { | |
166 | printf("Verifying \"%s\"\n", buf); | |
167 | } | |
168 | si.timestamp = timestamp; | |
169 | si.SigInfoVersion = 0; | |
170 | kname_parse(si.pname, si.pinst, si.prealm, strtrim(who)); | |
171 | si.rawsig = (unsigned char *) &rawsig[0]; | |
172 | status = GDSS_Recompose(&si, sigbuf); | |
173 | if (status) { | |
174 | com_err(program, gdss2et(status), "recomposing for user %s", login); | |
175 | continue; | |
176 | } | |
177 | si.rawsig = NULL; | |
178 | status = GDSS_Verify(buf, strlen(buf), sigbuf, &si); | |
ebacc4d8 | 179 | if (fix && status == GDSS_E_BADSIG) { |
180 | com_err(program, 0, "fixing signature for %s", login); | |
181 | againagain: | |
182 | status = GDSS_Sign(buf, strlen(buf), sigbuf); | |
8da3291e | 183 | if (status) { |
184 | com_err(program, gdss2et(status), "signing data"); | |
185 | continue; | |
186 | } | |
ebacc4d8 | 187 | si.rawsig = (unsigned char *) rawsig; |
188 | status = GDSS_Verify(buf, strlen(buf), sigbuf, &si); | |
8da3291e | 189 | if (status) { |
190 | com_err(program, gdss2et(status), "verifying data"); | |
191 | continue; | |
192 | } | |
193 | if (strlen(rawsig) > 68) { | |
194 | sleep(1); | |
ebacc4d8 | 195 | goto againagain; |
8da3291e | 196 | } |
197 | ||
198 | timestamp = si.timestamp; | |
9f5e5c05 | 199 | EXEC SQL UPDATE users |
8da3291e | 200 | SET signature = :rawsig, sigwho = :sms, sigdate = :timestamp |
201 | WHERE login = :login; | |
202 | if (sqlca.sqlcode != 0) { | |
9f5e5c05 | 203 | com_err(program, 0, "dbms error %d", sqlca.sqlcode); |
8da3291e | 204 | dest_tkt(); |
205 | exit(1); | |
206 | } | |
207 | EXEC SQL COMMIT WORK; | |
ebacc4d8 | 208 | } else if (status) |
209 | com_err(program, gdss2et(status), "verifying user %s", login); | |
210 | else { | |
211 | com_err(program, 0, "signature verified %s", buf); | |
212 | if (debug == 2) { | |
213 | hex_dump(sigbuf); | |
214 | } | |
8da3291e | 215 | } |
02cd9ede | 216 | if (wait) { |
217 | printf("Next"); | |
218 | fflush(stdout); | |
219 | gets(buf); | |
220 | } | |
8da3291e | 221 | } |
02cd9ede | 222 | } |
223 | } | |
224 | ||
8da3291e | 225 | dest_tkt(); |
226 | exit(0); | |
227 | } | |
02cd9ede | 228 | |
229 | ||
230 | hex_dump(p) | |
231 | unsigned char *p; | |
232 | { | |
233 | printf("Size: %d\n", strlen(p)); | |
234 | while (strlen(p) >= 8) { | |
235 | printf("%02x %02x %02x %02x %02x %02x %02x %02x\n", | |
236 | p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]); | |
237 | p += 8; | |
238 | } | |
239 | switch (strlen(p)) { | |
240 | case 7: | |
241 | printf("%02x %02x %02x %02x %02x %02x %02x\n", | |
242 | p[0], p[1], p[2], p[3], p[4], p[5], p[6]); | |
243 | break; | |
244 | case 6: | |
245 | printf("%02x %02x %02x %02x %02x %02x\n", | |
246 | p[0], p[1], p[2], p[3], p[4], p[5]); | |
247 | break; | |
248 | case 5: | |
249 | printf("%02x %02x %02x %02x %02x\n", | |
250 | p[0], p[1], p[2], p[3], p[4]); | |
251 | break; | |
252 | case 4: | |
253 | printf("%02x %02x %02x %02x\n", | |
254 | p[0], p[1], p[2], p[3]); | |
255 | break; | |
256 | case 3: | |
257 | printf("%02x %02x %02x\n", | |
258 | p[0], p[1], p[2]); | |
259 | break; | |
260 | case 2: | |
261 | printf("%02x %02x\n", | |
262 | p[0], p[1]); | |
263 | break; | |
264 | case 1: | |
265 | printf("%02x\n", | |
266 | p[0]); | |
267 | break; | |
268 | default: | |
269 | return; | |
270 | } | |
271 | } |