]>
Commit | Line | Data |
---|---|---|
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 | |
22 | * sms_update_server | |
23 | */ | |
24 | ||
25 | #include <stdio.h> | |
26 | #include <strings.h> | |
27 | #include <gdb.h> | |
28 | #include <sys/param.h> | |
29 | #include <sys/wait.h> | |
30 | #include <update.h> | |
31 | #include <errno.h> | |
32 | #include <dcm.h> | |
33 | #include <sms.h> | |
34 | #include <krb.h> | |
35 | ||
36 | extern char *malloc(); | |
37 | extern int errno, dbg; | |
38 | ||
39 | static char buf[BUFSIZ]; | |
40 | static int code; | |
41 | ||
42 | CONNECTION conn; | |
43 | ||
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: | |
56 | * Initializes GDB library. | |
57 | * PROBLEMS: | |
58 | * | |
59 | */ | |
60 | static void | |
61 | initialize() | |
62 | { | |
63 | static int initialized = 0; | |
64 | ||
65 | if (!initialized) { | |
66 | gdb_init(); | |
67 | initialized++; | |
68 | } | |
69 | } | |
70 | ||
71 | ||
72 | /* | |
73 | * FUNCTION: | |
74 | * sms_update_server(service, machine, target_path) | |
75 | * DESCRIPTION: | |
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. | |
80 | * INPUT: | |
81 | * service | |
82 | * Name of service to be updated; used to find | |
83 | * the source data file in the SMS data directory. | |
84 | * machine | |
85 | * target_path | |
86 | * Location to install the file. | |
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 | |
98 | sms_update_server(service, machine, target_path, instructions) | |
99 | char *service; | |
100 | char *machine; | |
101 | char *target_path; | |
102 | char *instructions; | |
103 | { | |
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); } | |
108 | #define NONNULL(str) \ | |
109 | (((str) != (char *)NULL) && (strlen(str) != 0)) | |
110 | ||
111 | char *service_address, *service_updated, *pathname; | |
112 | ||
113 | /* some sanity checking of arguments while we build data */ | |
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"); | |
137 | ||
138 | initialize(); | |
139 | com_err(whoami, 0, "starting update for %s", service_updated); | |
140 | ||
141 | /* open connection */ | |
142 | conn = start_server_connection(service_address, 0); | |
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); | |
147 | } | |
148 | ||
149 | /* send authenticators */ | |
150 | code = send_auth(machine); | |
151 | if (code) { | |
152 | com_err(whoami, code, " authorization attempt to %s failed", | |
153 | service_updated); | |
154 | goto update_failed; | |
155 | } | |
156 | ||
157 | code = send_file(pathname, target_path); | |
158 | if (code) | |
159 | goto update_failed; | |
160 | ||
161 | /* send instructions for installation */ | |
162 | strcpy(buf, "/tmp/sms-update.XXXXXX"); | |
163 | mktemp(buf); | |
164 | code = send_file(instructions, buf); | |
165 | if (code) | |
166 | goto update_failed; | |
167 | ||
168 | /* perform installation */ | |
169 | code = execute(buf); | |
170 | if (code) { | |
171 | com_err(whoami, code, " installation of %s failed, code = %d", | |
172 | service_updated, code); | |
173 | goto update_failed; | |
174 | } | |
175 | ||
176 | /* finished updates */ | |
177 | code = SMS_SUCCESS; | |
178 | ||
179 | update_failed: | |
180 | send_quit(); | |
181 | conn = sever_connection(conn); | |
182 | return(code); | |
183 | ||
184 | #undef NONNULL | |
185 | #undef ASSERT | |
186 | } | |
187 | ||
188 | ||
189 | static | |
190 | send_auth(host_name) | |
191 | char *host_name; | |
192 | { | |
193 | KTEXT_ST ticket_st; | |
194 | KTEXT ticket = &ticket_st; | |
195 | STRING data; | |
196 | register int code; | |
197 | int response; | |
198 | ||
199 | code = get_sms_update_ticket(host_name, ticket); | |
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 | } | |
229 | return(SMS_SUCCESS); | |
230 | } | |
231 | ||
232 | static | |
233 | execute(path) | |
234 | char *path; | |
235 | { | |
236 | int response; | |
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)); | |
248 | if (dbg & DBG_TRACE) | |
249 | com_err(whoami, response, "execute returned %d", response); | |
250 | if (response) | |
251 | return(response); | |
252 | return(SMS_SUCCESS); | |
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 | } |