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1 | /* $Id$ | |
2 | * | |
3 | * Copyright (C) 1987-1998 by the Massachusetts Institute of Technology | |
4 | * For copying and distribution information, please see the file | |
5 | * <mit-copyright.h>. | |
6 | */ | |
7 | ||
8 | #include <moira.h> | |
9 | #include <mr_private.h> | |
10 | #include <moira_site.h> | |
11 | #include <moira_schema.h> | |
12 | ||
13 | #include <netinet/in.h> | |
14 | ||
15 | #include <stdarg.h> | |
16 | ||
17 | #include <krb.h> | |
18 | ||
19 | enum clstate { CL_ACCEPTING, CL_ACTIVE, CL_CLOSING }; | |
20 | ||
21 | /* | |
22 | * This structure holds all per-client information; one of these is | |
23 | * allocated for each active client. | |
24 | */ | |
25 | ||
26 | typedef struct _client { | |
27 | int con; /* Connection to the client */ | |
28 | int id; /* Unique id of client */ | |
29 | struct sockaddr_in haddr; /* IP address of client */ | |
30 | enum clstate state; /* State of the connection */ | |
31 | char clname[MAX_K_NAME_SZ]; /* Name client authenticated to */ | |
32 | char entity[USERS_MODWITH_SIZE]; /* client program being used */ | |
33 | int users_id; /* Moira-internal ID of authenticated user */ | |
34 | int client_id; /* Moira-internal ID of client */ | |
35 | int proxy_id; /* client_id of orig user, if proxied */ | |
36 | int version; /* Max query version known by client */ | |
37 | time_t last_time_used; /* Last time connection used */ | |
38 | mr_params req; /* Current request */ | |
39 | mr_params *tuples; /* Tuples waiting to send back to client */ | |
40 | int ntuples; /* Number of tuples waiting */ | |
41 | int tuplessize; /* Current size of tuple array */ | |
42 | int nexttuple; /* Next tuple to return */ | |
43 | char *hsbuf; /* Buffer for initial connection handshaking */ | |
44 | int hslen; /* Length of data in hsbuf */ | |
45 | } client; | |
46 | ||
47 | extern char krb_realm[REALM_SZ]; | |
48 | ||
49 | /* max length of query argument allowed */ | |
50 | #define ARGLEN 257 | |
51 | /* Used to setup static argv, maximum argc */ | |
52 | #define QMAXARGS 25 | |
53 | ||
54 | /* statistics on number of queries by version number */ | |
55 | extern int newqueries; | |
56 | ||
57 | /* Maximum and minimum values that will be used for uids and gids */ | |
58 | #define MAX_ID_VALUE 65535 | |
59 | #define MIN_ID_VALUE 100 | |
60 | ||
61 | /* Sleepy states for the server! */ | |
62 | #define AWAKE 0 | |
63 | #define SLEEPY 1 | |
64 | #define ASLEEP 2 | |
65 | #define GROGGY 3 | |
66 | extern int dormant; | |
67 | ||
68 | /* state for the incremental update system */ | |
69 | extern int inc_running, inc_pid; | |
70 | extern time_t inc_started, now; | |
71 | #define INC_TIMEOUT (3 * 60) /* 3 minutes */ | |
72 | ||
73 | ||
74 | #define SQL_NO_MATCH 1403 /* oracle, not ingres (= 100) */ | |
75 | ||
76 | /* types needed for prototypes */ | |
77 | struct query; | |
78 | struct validate; | |
79 | struct valobj; | |
80 | ||
81 | /* prototypes from increment.dc */ | |
82 | void incremental_init(void); | |
83 | void next_incremental(void); | |
84 | void incremental_update(void); | |
85 | void incremental_flush(void); | |
86 | ||
87 | /* prototypes from qrtn.dc */ | |
88 | void dbmserr(void); | |
89 | void dosql(char *buffers[]); | |
90 | int mr_open_database(void); | |
91 | void mr_close_database(void); | |
92 | int mr_process_query(client *cl, char *name, int argc, char *argv_ro[], | |
93 | int (*action)(int, char *[], void *), void *actarg); | |
94 | int mr_check_access(client *cl, char *name, int argc, char *argv_ro[]); | |
95 | void sanity_check_queries(void); | |
96 | int set_krb_mapping(char *name, char *login, int ok, int *kid, int *uid); | |
97 | int find_member(char *list_type, int list_id, client *cl); | |
98 | int do_for_all_rows(char *query, int count, | |
99 | int (*action)(int, char *[], void *), void *actarg); | |
100 | char *build_qual(char *fmt, int argc, char *argv[]); | |
101 | ||
102 | ||
103 | /* prototyoes from qsupport.dc */ | |
104 | int set_pop_usage(int id, int cnt); | |
105 | ||
106 | /* prototypes from qvalidate.dc */ | |
107 | void sanity_check_database(void); | |
108 | int add_string(char *name); | |
109 | int convert_wildcards(char *arg); | |
110 | ||
111 | /* prototypes from mr_main.c */ | |
112 | void clist_delete(client *cp); | |
113 | ||
114 | /* prototypes from mr_sauth.c */ | |
115 | void do_auth(client *cl); | |
116 | void do_proxy(client *cl); | |
117 | ||
118 | /* prototypes from mr_scall.c */ | |
119 | void do_client(client *cl); | |
120 | void client_reply(client *cl, long status); | |
121 | void client_return_tuple(client *cl, int argc, char **argv); | |
122 | void client_read(client *cl); | |
123 | void client_write(client *cl); | |
124 | ||
125 | /* prototypes from mr_shutdown.c */ | |
126 | void sigshut(int); | |
127 | void do_shutdown(client *cl); | |
128 | ||
129 | /* prototypes from mr_util.c */ | |
130 | char *requote(char *buf); | |
131 | void log_args(char *tag, int version, int argc, char **argv); | |
132 | void mr_com_err(const char *whoami, long code, const char *fmt, va_list pvar); | |
133 | int mr_trim_args(int argc, char **argv); | |
134 | char **mr_copy_args(char **argv, int argc); | |
135 | void *xmalloc(size_t); | |
136 | void *xrealloc(void *, size_t); | |
137 | char *xstrdup(char *); | |
138 | ||
139 | /* prototypes from qaccess.pc */ | |
140 | int access_user(struct query *q, char *argv[], client *cl); | |
141 | int access_login(struct query *q, char *argv[], client *cl); | |
142 | int access_spob(struct query *q, char *argv[], client *cl); | |
143 | int access_list(struct query *q, char *argv[], client *cl); | |
144 | int access_visible_list(struct query *q, char *argv[], client *cl); | |
145 | int access_vis_list_by_name(struct query *q, char *argv[], client *cl); | |
146 | int access_member(struct query *q, char *argv[], client *cl); | |
147 | int access_qgli(struct query *q, char *argv[], client *cl); | |
148 | int access_service(struct query *q, char *argv[], client *cl); | |
149 | int access_filesys(struct query *q, char *argv[], client *cl); | |
150 | int access_host(struct query *q, char *argv[], client *cl); | |
151 | int access_ahal(struct query *q, char *argv[], client *cl); | |
152 | int access_snt(struct query *q, char *argv[], client *cl); | |
153 | int access_printer(struct query *q, char *argv[], client *cl); | |
154 | int access_zephyr(struct query *q, char *argv[], client *cl); | |
155 | int access_container(struct query *q, char *argv[], client *cl); | |
156 | ||
157 | /* prototypes from qfollow.pc */ | |
158 | int followup_fix_modby(struct query *q, struct save_queue *sq, | |
159 | struct validate *v, int (*action)(int, char **, void *), | |
160 | void *actarg, client *cl); | |
161 | int followup_gpob(struct query *q, struct save_queue *sq, struct validate *v, | |
162 | int (*action)(int, char **, void *), void *actarg, | |
163 | client *cl); | |
164 | int followup_glin(struct query *q, struct save_queue *sq, struct validate *v, | |
165 | int (*action)(int, char **, void *), void *actarg, | |
166 | client *cl); | |
167 | int followup_gsin(struct query *q, struct save_queue *sq, struct validate *v, | |
168 | int (*action)(int, char **, void *), void *actarg, | |
169 | client *cl); | |
170 | int followup_gzcl(struct query *q, struct save_queue *sq, struct validate *v, | |
171 | int (*action)(int, char **, void *), void *actarg, | |
172 | client *cl); | |
173 | int followup_gsha(struct query *q, struct save_queue *sq, struct validate *v, | |
174 | int (*action)(int, char **, void *), void *actarg, | |
175 | client *cl); | |
176 | int followup_gqot(struct query *q, struct save_queue *sq, struct validate *v, | |
177 | int (*action)(int, char **, void *), void *actarg, | |
178 | client *cl); | |
179 | int followup_guax(struct query *q, struct save_queue *sq, struct validate *v, | |
180 | int (*action)(int, char **, void *), void *actarg, | |
181 | client *cl); | |
182 | int followup_gsnt(struct query *q, struct save_queue *sq, struct validate *v, | |
183 | int (*action)(int, char **, void *), void *actarg, | |
184 | client *cl); | |
185 | int followup_ghst(struct query *q, struct save_queue *sq, struct validate *v, | |
186 | int (*action)(int, char **, void *), void *actarg, | |
187 | client *cl); | |
188 | int followup_gpsv(struct query *q, struct save_queue *sq, struct validate *v, | |
189 | int (*action)(int, char **, void *), void *actarg, | |
190 | client *cl); | |
191 | int followup_gcon(struct query *q, struct save_queue *sq, struct validate *v, | |
192 | int (*action)(int, char **, void *), void *actarg, | |
193 | client *cl); | |
194 | ||
195 | int followup_ausr(struct query *q, char *argv[], client *cl); | |
196 | int followup_aqot(struct query *q, char *argv[], client *cl); | |
197 | int followup_dqot(struct query *q, char *argv[], client *cl); | |
198 | ||
199 | int set_modtime(struct query *q, char *argv[], client *cl); | |
200 | int set_modtime_by_id(struct query *q, char *argv[], client *cl); | |
201 | int set_finger_modtime(struct query *q, char *argv[], client *cl); | |
202 | int set_pobox_modtime(struct query *q, char *argv[], client *cl); | |
203 | int set_uppercase_modtime(struct query *q, char *argv[], client *cl); | |
204 | int set_mach_modtime_by_id(struct query *q, char *argv[], client *cl); | |
205 | int set_cluster_modtime_by_id(struct query *q, char *argv[], client *cl); | |
206 | int set_serverhost_modtime(struct query *q, char *argv[], client *cl); | |
207 | int set_nfsphys_modtime(struct query *q, char *argv[], client *cl); | |
208 | int set_filesys_modtime(struct query *q, char *argv[], client *cl); | |
209 | int set_zephyr_modtime(struct query *q, char *argv[], client *cl); | |
210 | int set_service_modtime(struct query *q, char *argv[], client *cl); | |
211 | int _sdl_followup(struct query *q, char *argv[], client *cl); | |
212 | int trigger_dcm(struct query *q, char *argv[], client *cl); | |
213 | ||
214 | /* prototypes from qsetup.pc */ | |
215 | int prefetch_value(struct query *q, char *argv[], client *cl); | |
216 | int prefetch_filesys(struct query *q, char *argv[], client *cl); | |
217 | int setup_ausr(struct query *q, char *argv[], client *cl); | |
218 | int setup_dusr(struct query *q, char *argv[], client *cl); | |
219 | int setup_dpob(struct query *q, char *argv[], client *cl); | |
220 | int setup_dmac(struct query *q, char *argv[], client *cl); | |
221 | int setup_dclu(struct query *q, char *argv[], client *cl); | |
222 | int setup_alis(struct query *q, char *argv[], client *cl); | |
223 | int setup_dlis(struct query *q, char *argv[], client *cl); | |
224 | int setup_dsin(struct query *q, char *argv[], client *cl); | |
225 | int setup_dshi(struct query *q, char *argv[], client *cl); | |
226 | int setup_afil(struct query *q, char *argv[], client *cl); | |
227 | int setup_ufil(struct query *q, char *argv[], client *cl); | |
228 | int setup_dfil(struct query *q, char *argv[], client *cl); | |
229 | int setup_aftg(struct query *q, char *argv[], client *cl); | |
230 | int setup_dnfp(struct query *q, char *argv[], client *cl); | |
231 | int setup_dqot(struct query *q, char *argv[], client *cl); | |
232 | int setup_asnt(struct query *q, char *argv[], client *cl); | |
233 | int setup_dsnt(struct query *q, char *argv[], client *cl); | |
234 | int setup_ahst(struct query *q, char *argv[], client *cl); | |
235 | int setup_ahal(struct query *q, char *argv[], client *cl); | |
236 | int setup_uhha(struct query *q, char *argv[], client *cl); | |
237 | int setup_aprn(struct query *q, char *argv[], client *cl); | |
238 | int setup_dpsv(struct query *q, char *argv[], client *cl); | |
239 | int setup_dcon(struct query *q, char *argv[], client *cl); | |
240 | ||
241 | /* prototypes from qsupport.pc */ | |
242 | int set_pobox(struct query *q, char *argv[], client *cl); | |
243 | int set_pobox_pop(struct query *q, char *argv[], client *cl); | |
244 | int add_member_to_list(struct query *q, char *argv[], client *cl); | |
245 | int delete_member_from_list(struct query *q, char *argv[], client *cl); | |
246 | int tag_member_of_list(struct query *q, char *argv[], client *cl); | |
247 | int register_user(struct query *q, char *argv[], client *cl); | |
248 | int do_user_reservation(struct query *q, char *argv[], client *cl); | |
249 | int update_container(struct query *q, char *argv[], client *cl); | |
250 | ||
251 | int get_ace_use(struct query *q, char **argv, client *cl, | |
252 | int (*action)(int, char *[], void *), void *actarg); | |
253 | int get_host_by_owner(struct query *q, char **argv, client *cl, | |
254 | int (*action)(int, char *[], void *), void *actarg); | |
255 | int qualified_get_lists(struct query *q, char **argv, client *cl, | |
256 | int (*action)(int, char *[], void *), void *actarg); | |
257 | int get_members_of_list(struct query *q, char **argv, client *cl, | |
258 | int (*action)(int, char *[], void *), void *actarg); | |
259 | int qualified_get_server(struct query *q, char **argv, client *cl, | |
260 | int (*action)(int, char *[], void *), void *actarg); | |
261 | int qualified_get_serverhost(struct query *q, char **argv, client *cl, | |
262 | int (*action)(int, char *[], void *), | |
263 | void *actarg); | |
264 | int count_members_of_list(struct query *q, char **argv, client *cl, | |
265 | int (*action)(int, char *[], void *), void *actarg); | |
266 | int get_lists_of_member(struct query *q, char **argv, client *cl, | |
267 | int (*action)(int, char *[], void *), void *actarg); | |
268 | int get_user_reservations(struct query *q, char **argv, client *cl, | |
269 | int (*action)(int, char *[], void *), void *actarg); | |
270 | int get_user_by_reservation(struct query *q, char **argv, client *cl, | |
271 | int (*action)(int, char *[], void *), | |
272 | void *actarg); | |
273 | int get_machines_of_container(struct query *q, char **argv, client *cl, | |
274 | int (*action)(int, char *[], void *), | |
275 | void *actarg); | |
276 | int get_subcontainers_of_container(struct query *q, char **argv, client *cl, | |
277 | int (*action)(int, char *[], void *), | |
278 | void *actarg); | |
279 | ||
280 | ||
281 | /* prototypes from qvalidate.pc */ | |
282 | int validate_fields(struct query *q, char *argv[], struct valobj *vo, int n); | |
283 | int validate_row(struct query *q, char *argv[], struct validate *v); |