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083d87de | 1 | /* |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Header$ | |
5 | * | |
6 | * Copyright (C) 1987 by the Massachusetts Institute of Technology | |
7 | * | |
8 | * Glue routines to allow the database stuff to be linked in to | |
9 | * a program expecting a library level interface. | |
10 | * | |
11 | * $Log$ | |
53db4098 | 12 | * Revision 1.5 1988-06-30 14:39:30 mar |
13 | * argument to sms_auth; trim args before returning them, fix trigger_dcm | |
083d87de | 14 | * |
53db4098 | 15 | * Revision 1.4 87/09/21 15:17:09 wesommer |
16 | * Also need to initialize pseudo_client.clname. | |
17 | * | |
0ed584c8 | 18 | * Revision 1.3 87/08/22 17:31:56 wesommer |
19 | * Fix a "fall-through". | |
20 | * | |
28d7ad92 | 21 | * Revision 1.2 87/07/29 16:03:58 wesommer |
22 | * Initialize krb_realm. | |
23 | * | |
fe8a06f8 | 24 | * Revision 1.1 87/07/14 00:41:18 wesommer |
25 | * Initial revision | |
26 | * | |
083d87de | 27 | */ |
28 | ||
29 | #ifndef lint | |
30 | static char *rcsid_sms_glue_c = "$Header$"; | |
31 | #endif lint | |
32 | ||
33 | #include "sms_server.h" | |
34 | #include <krb.h> /* XXX for error codes */ | |
35 | #include <pwd.h> | |
53db4098 | 36 | #include "query.h" |
37 | ||
083d87de | 38 | static int already_connected = 0; |
39 | ||
40 | #define CHECK_CONNECTED { if (!already_connected) return SMS_NOT_CONNECTED; } | |
41 | ||
42 | static client pseudo_client; | |
53db4098 | 43 | extern int krb_err_base, errno; |
44 | extern char *malloc(), *whoami; | |
083d87de | 45 | |
46 | sms_connect() | |
47 | { | |
48 | register int status; | |
49 | ||
50 | if (already_connected) return SMS_ALREADY_CONNECTED; | |
51 | ||
52 | init_sms_err_tbl(); | |
53 | init_krb_err_tbl(); | |
54 | bzero((char *)&pseudo_client, sizeof(pseudo_client)); /* XXX */ | |
55 | ||
56 | status = sms_open_database(); | |
57 | if (!status) already_connected = 1; | |
58 | return status; | |
59 | } | |
60 | ||
61 | sms_disconnect() | |
62 | { | |
63 | CHECK_CONNECTED; | |
64 | sms_close_database(); | |
65 | already_connected = 0; | |
66 | return 0; | |
67 | } | |
68 | ||
69 | sms_noop() | |
70 | { | |
71 | CHECK_CONNECTED; | |
72 | return 0; | |
73 | } | |
74 | /* | |
75 | * This routine is rather bogus, as it only fills in who you claim to be. | |
76 | */ | |
53db4098 | 77 | sms_auth(prog) |
78 | char *prog; | |
083d87de | 79 | { |
80 | struct passwd *pw; | |
fe8a06f8 | 81 | extern char *krb_realm; |
53db4098 | 82 | char buf[1024], *strsave(); |
0ed584c8 | 83 | |
083d87de | 84 | CHECK_CONNECTED; |
85 | pw = getpwuid(getuid()); | |
86 | if (!pw) return (KDC_PR_UNKNOWN + krb_err_base); /* XXX hack (we | |
87 | * need an extended | |
88 | * error code table) | |
89 | */ | |
90 | strcpy(pseudo_client.kname.name, pw->pw_name); | |
91 | get_krbrlm(pseudo_client.kname.realm, 1); | |
fe8a06f8 | 92 | krb_realm = pseudo_client.kname.realm; |
0ed584c8 | 93 | |
94 | strcpy(buf, pw->pw_name); | |
95 | strcat(buf, "@"); | |
96 | strcat(buf, pseudo_client.kname.realm); | |
97 | pseudo_client.clname = malloc(strlen(buf)+1); | |
98 | strcpy(pseudo_client.clname, buf); | |
53db4098 | 99 | pseudo_client.users_id = get_users_id(pseudo_client.kname.name); |
100 | pseudo_client.entity = strsave(prog); | |
28d7ad92 | 101 | return 0; |
083d87de | 102 | } |
103 | ||
53db4098 | 104 | struct hint { |
105 | int (*proc)(); | |
106 | char *hint; | |
107 | }; | |
108 | ||
109 | callback(argc, argv, arg) | |
110 | int argc; | |
111 | char **argv; | |
112 | struct hint *arg; | |
113 | { | |
114 | if (sms_trim_args(argc, argv) == SMS_NO_MEM) { | |
115 | com_err(whoami, SMS_NO_MEM, "while trimmming args"); | |
116 | } | |
117 | (*arg->proc)(argc, argv, arg->hint); | |
118 | } | |
119 | ||
120 | ||
083d87de | 121 | int sms_query(name, argc, argv, callproc, callarg) |
122 | char *name; /* Query name */ | |
123 | int argc; /* Arg count */ | |
124 | char **argv; /* Args */ | |
125 | int (*callproc)(); /* Callback procedure */ | |
126 | char *callarg; /* Callback argument */ | |
127 | { | |
53db4098 | 128 | struct hint hints; |
129 | ||
130 | hints.proc = callproc; | |
131 | hints.hint = callarg; | |
083d87de | 132 | return sms_process_query(&pseudo_client, name, argc, argv, |
53db4098 | 133 | callback, &hints); |
083d87de | 134 | } |
135 | ||
136 | int sms_access(name, argc, argv) | |
137 | char *name; /* Query name */ | |
138 | int argc; /* Arg count */ | |
139 | char **argv; /* Args */ | |
140 | { | |
141 | return sms_check_access(&pseudo_client, name, argc, argv); | |
142 | } | |
143 | ||
144 | int sms_query_internal(argc, argv, callproc, callarg) | |
145 | int argc; | |
146 | char **argv; | |
147 | int (*callproc)(); | |
148 | char *callarg; | |
149 | { | |
53db4098 | 150 | struct hint hints; |
151 | ||
152 | hints.proc = callproc; | |
153 | hints.hint = callarg; | |
083d87de | 154 | return sms_process_query(&pseudo_client, argv[0], argc-1, argv+1, |
53db4098 | 155 | callback, &hints); |
083d87de | 156 | } |
157 | ||
158 | int sms_access_internal(argc, argv) | |
159 | int argc; | |
160 | char **argv; | |
161 | { | |
162 | return sms_check_access(&pseudo_client, argv[0], argc-1, argv+1); | |
163 | } | |
164 | ||
165 | sms_shutdown(why) | |
166 | char *why; | |
167 | { | |
168 | fprintf(stderr, "Sorry, not implemented\n"); | |
169 | } | |
170 | ||
53db4098 | 171 | |
172 | /* trigger_dcm is also used as a followup routine to the | |
173 | * set_server_host_override query, hence the two dummy arguments. | |
174 | */ | |
175 | ||
176 | struct query pseudo_query = { | |
177 | "trigger_dcm", | |
178 | "tdcm", | |
179 | }; | |
180 | ||
181 | trigger_dcm(dummy0, dummy1, cl) | |
182 | int dummy0, dummy1; | |
183 | client *cl; | |
184 | { | |
185 | register int pid, status; | |
186 | ||
187 | if (status = check_query_access(&pseudo_query, 0, cl)) | |
188 | return(status); | |
189 | ||
190 | pid = vfork(); | |
191 | switch (pid) { | |
192 | case 0: | |
193 | execl("/u1/sms/bin/startdcm", "startdcm", 0); | |
194 | exit(1); | |
195 | ||
196 | case -1: | |
197 | return(errno); | |
198 | ||
199 | default: | |
200 | return(SMS_SUCCESS); | |
201 | } | |
202 | } | |
203 | ||
204 | ||
083d87de | 205 | /* |
206 | * Local Variables: | |
207 | * mode: c | |
208 | * c-indent-level: 4 | |
209 | * c-continued-statement-offset: 4 | |
210 | * c-brace-offset: -4 | |
211 | * c-argdecl-indent: 4 | |
212 | * c-label-offset: -4 | |
213 | * End: | |
214 | */ |