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de56407f | 1 | /* |
2 | * $Source$ | |
3 | * $Header$ | |
4 | */ | |
5 | ||
6 | #ifndef lint | |
7 | static char *rcsid_client2_c = "$Header$"; | |
8 | #endif lint | |
9 | ||
10 | /* | |
11 | * MODULE IDENTIFICATION: | |
12 | * $Header$ | |
13 | * Copyright 1987 MIT Project Athena. | |
14 | * DESCRIPTION: | |
15 | * This code handles the actual distribution of data files | |
16 | * to servers in the SMS server-update program. | |
17 | * AUTHOR: | |
18 | * Ken Raeburn (spook@athena.MIT.EDU), | |
19 | * MIT Project Athena/MIT Information Systems. | |
20 | * DEFINED VALUES: | |
21 | * conn | |
de56407f | 22 | * sms_update_server |
de56407f | 23 | */ |
24 | ||
25 | #include <stdio.h> | |
26 | #include <strings.h> | |
7bd50861 | 27 | #include <gdb.h> |
de56407f | 28 | #include <sys/param.h> |
7bd50861 | 29 | #include <sys/wait.h> |
30 | #include <update.h> | |
de56407f | 31 | #include <errno.h> |
7bd50861 | 32 | #include <dcm.h> |
33 | #include <sms.h> | |
de56407f | 34 | #include <krb.h> |
35 | ||
7bd50861 | 36 | extern char *malloc(); |
bc6cbc65 | 37 | extern int errno, dbg; |
de56407f | 38 | |
de56407f | 39 | static char buf[BUFSIZ]; |
7bd50861 | 40 | static int code; |
de56407f | 41 | |
42 | CONNECTION conn; | |
de56407f | 43 | |
de56407f | 44 | |
45 | /* | |
46 | * FUNCTION: | |
47 | * initialize() | |
48 | * DESCRIPTION: | |
49 | * Insures that various libraries have a chance to get | |
50 | * initialized. | |
51 | * INPUT: | |
52 | * OUTPUT: | |
53 | * RETURN VALUE: | |
54 | * void | |
55 | * SIDE EFFECTS: | |
756e2c48 | 56 | * Initializes GDB library. |
de56407f | 57 | * PROBLEMS: |
58 | * | |
59 | */ | |
7bd50861 | 60 | static void |
de56407f | 61 | initialize() |
62 | { | |
63 | static int initialized = 0; | |
7bd50861 | 64 | |
de56407f | 65 | if (!initialized) { |
66 | gdb_init(); | |
de56407f | 67 | initialized++; |
68 | } | |
69 | } | |
70 | ||
7bd50861 | 71 | |
de56407f | 72 | /* |
73 | * FUNCTION: | |
7bd50861 | 74 | * sms_update_server(service, machine, target_path) |
de56407f | 75 | * DESCRIPTION: |
7bd50861 | 76 | * Attempts to perform an update to the named machine |
77 | * of the named service. The file SMS_DIR/dcm/service.out | |
78 | * will be sent, then the file SMS_DIR/bin/service.sh, | |
79 | * the the shell script will be executed. | |
de56407f | 80 | * INPUT: |
7bd50861 | 81 | * service |
de56407f | 82 | * Name of service to be updated; used to find |
83 | * the source data file in the SMS data directory. | |
7bd50861 | 84 | * machine |
85 | * target_path | |
de56407f | 86 | * Location to install the file. |
de56407f | 87 | * RETURN VALUE: |
88 | * int: | |
89 | * Error code, or zero if no error was detected | |
90 | * in the data supplied to this routine. | |
91 | * SIDE EFFECTS: | |
92 | * May write information to logs. | |
93 | * PROBLEMS: | |
94 | * | |
95 | */ | |
96 | ||
97 | int | |
7bd50861 | 98 | sms_update_server(service, machine, target_path, instructions) |
99 | char *service; | |
100 | char *machine; | |
101 | char *target_path; | |
102 | char *instructions; | |
de56407f | 103 | { |
7bd50861 | 104 | #define ASSERT(condition,stat,amsg) \ |
105 | if (!(condition)) { com_err(whoami, stat, amsg); return(stat); } | |
106 | #define ASSERT2(condition,stat,amsg,arg1) \ | |
107 | if (!(condition)) { com_err(whoami, stat, amsg, arg1); return(stat); } | |
de56407f | 108 | #define NONNULL(str) \ |
7bd50861 | 109 | (((str) != (char *)NULL) && (strlen(str) != 0)) |
de56407f | 110 | |
7bd50861 | 111 | char *service_address, *service_updated, *pathname; |
de56407f | 112 | |
de56407f | 113 | /* some sanity checking of arguments while we build data */ |
7bd50861 | 114 | ASSERT(NONNULL(machine), SMS_INTERNAL, " null host name"); |
115 | ASSERT(NONNULL(service), SMS_INTERNAL, " null service name"); | |
116 | ASSERT((strlen(machine) + strlen(service) + 2 < BUFSIZ), SMS_ARG_TOO_LONG, | |
117 | " machine and service names"); | |
118 | sprintf(buf, "%s:%s", machine, service); | |
119 | service_updated = strsave(buf); | |
120 | ASSERT(NONNULL(service_updated), SMS_NO_MEM, " for service name"); | |
121 | ASSERT((strlen(machine)+strlen(SERVICE_NAME)+2 < BUFSIZ), SMS_ARG_TOO_LONG, | |
122 | " machine and update service name"); | |
123 | sprintf(buf, "%s:%s", machine, SERVICE_NAME); | |
124 | service_address = strsave(buf); | |
125 | ASSERT(NONNULL(service_address), SMS_NO_MEM, " for service address"); | |
126 | ASSERT(NONNULL(target_path), SMS_INTERNAL, " null target pathname"); | |
127 | ASSERT((strlen(target_path) < MAXPATHLEN), SMS_ARG_TOO_LONG, | |
128 | " target pathname"); | |
129 | ASSERT2(target_path[0] == '/', SMS_NOT_UNIQUE, | |
130 | " non-absolute pathname supplied \"%s\"", target_path); | |
131 | sprintf(buf, "%s/dcm/%s.out", SMS_DIR, service); | |
132 | pathname = strsave(buf); | |
133 | ASSERT(NONNULL(pathname), SMS_NO_MEM, " for pathname"); | |
134 | ASSERT(NONNULL(instructions), SMS_NO_MEM, " for instructions"); | |
135 | ASSERT((strlen(instructions) < MAXPATHLEN), SMS_ARG_TOO_LONG, | |
136 | " instruction pathname"); | |
de56407f | 137 | |
138 | initialize(); | |
7bd50861 | 139 | com_err(whoami, 0, "starting update for %s", service_updated); |
de56407f | 140 | |
141 | /* open connection */ | |
142 | conn = start_server_connection(service_address, 0); | |
7bd50861 | 143 | if (!conn || (connection_status(conn) == CON_STOPPED)) { |
144 | com_err(whoami, connection_errno(conn), | |
145 | " can't connect to update %s", service_address); | |
146 | return(SMS_CANT_CONNECT); | |
de56407f | 147 | } |
de56407f | 148 | |
149 | /* send authenticators */ | |
7bd50861 | 150 | code = send_auth(machine); |
de56407f | 151 | if (code) { |
7bd50861 | 152 | com_err(whoami, code, " authorization attempt to %s failed", |
153 | service_updated); | |
de56407f | 154 | goto update_failed; |
155 | } | |
156 | ||
7bd50861 | 157 | code = send_file(pathname, target_path); |
de56407f | 158 | if (code) |
7bd50861 | 159 | goto update_failed; |
160 | ||
de56407f | 161 | /* send instructions for installation */ |
162 | strcpy(buf, "/tmp/sms-update.XXXXXX"); | |
163 | mktemp(buf); | |
7bd50861 | 164 | code = send_file(instructions, buf); |
de56407f | 165 | if (code) |
7bd50861 | 166 | goto update_failed; |
167 | ||
de56407f | 168 | /* perform installation */ |
169 | code = execute(buf); | |
170 | if (code) { | |
7bd50861 | 171 | com_err(whoami, code, " installation of %s failed, code = %d", |
172 | service_updated, code); | |
173 | goto update_failed; | |
de56407f | 174 | } |
175 | ||
de56407f | 176 | /* finished updates */ |
7bd50861 | 177 | code = SMS_SUCCESS; |
178 | ||
179 | update_failed: | |
de56407f | 180 | send_quit(); |
de56407f | 181 | conn = sever_connection(conn); |
182 | return(code); | |
7bd50861 | 183 | |
de56407f | 184 | #undef NONNULL |
185 | #undef ASSERT | |
186 | } | |
187 | ||
7bd50861 | 188 | |
de56407f | 189 | static |
7bd50861 | 190 | send_auth(host_name) |
191 | char *host_name; | |
de56407f | 192 | { |
193 | KTEXT_ST ticket_st; | |
194 | KTEXT ticket = &ticket_st; | |
195 | STRING data; | |
196 | register int code; | |
197 | int response; | |
198 | ||
7bd50861 | 199 | code = get_sms_update_ticket(host_name, ticket); |
de56407f | 200 | if (code) { |
201 | return(code); | |
202 | } | |
203 | STRING_DATA(data) = "AUTH_001"; | |
204 | MAX_STRING_SIZE(data) = 9; | |
205 | code = send_object(conn, (char *)&data, STRING_T); | |
206 | if (code) { | |
207 | return(connection_errno(conn)); | |
208 | } | |
209 | code = receive_object(conn, (char *)&response, INTEGER_T); | |
210 | if (code) { | |
211 | return(connection_errno(conn)); | |
212 | } | |
213 | if (response) { | |
214 | return(response); | |
215 | } | |
216 | STRING_DATA(data) = (char *)ticket->dat; | |
217 | MAX_STRING_SIZE(data) = ticket->length; | |
218 | code = send_object(conn, (char *)&data, STRING_T); | |
219 | if (code) { | |
220 | return(connection_errno(conn)); | |
221 | } | |
222 | code = receive_object(conn, (char *)&response, INTEGER_T); | |
223 | if (code) { | |
224 | return(connection_errno(conn)); | |
225 | } | |
226 | if (response) { | |
227 | return(response); | |
228 | } | |
7bd50861 | 229 | return(SMS_SUCCESS); |
de56407f | 230 | } |
231 | ||
232 | static | |
233 | execute(path) | |
234 | char *path; | |
235 | { | |
1e447eb1 | 236 | int response; |
de56407f | 237 | STRING data; |
238 | register int code; | |
239 | ||
240 | string_alloc(&data, BUFSIZ); | |
241 | sprintf(STRING_DATA(data), "EXEC_002 %s", path); | |
242 | code = send_object(conn, (char *)&data, STRING_T); | |
243 | if (code) | |
244 | return(connection_errno(conn)); | |
245 | code = receive_object(conn, (char *)&response, INTEGER_T); | |
246 | if (code) | |
247 | return(connection_errno(conn)); | |
bc6cbc65 | 248 | if (dbg & DBG_TRACE) |
1e447eb1 | 249 | com_err(whoami, response, "execute returned %d", response); |
250 | if (response) | |
251 | return(response); | |
7bd50861 | 252 | return(SMS_SUCCESS); |
de56407f | 253 | } |
254 | ||
255 | send_quit() | |
256 | { | |
257 | STRING str; | |
258 | if (!conn) | |
259 | return; | |
260 | string_alloc(&str, 5); | |
261 | (void) strcpy(STRING_DATA(str), "quit"); | |
262 | (void) send_object(conn, (char *)&str, STRING_T); | |
263 | string_free(&str); | |
264 | } |