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083d87de | 1 | /* |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Header$ | |
5 | * | |
6 | * Copyright (C) 1987 by the Massachusetts Institute of Technology | |
674fd273 | 7 | * For copying and distribution information, please see the file |
8 | * <mit-copyright.h>. | |
083d87de | 9 | * |
10 | * Glue routines to allow the database stuff to be linked in to | |
11 | * a program expecting a library level interface. | |
083d87de | 12 | */ |
13 | ||
14 | #ifndef lint | |
15 | static char *rcsid_sms_glue_c = "$Header$"; | |
16 | #endif lint | |
17 | ||
674fd273 | 18 | #include <mit-copyright.h> |
083d87de | 19 | #include "sms_server.h" |
20 | #include <krb.h> /* XXX for error codes */ | |
21 | #include <pwd.h> | |
53db4098 | 22 | #include "query.h" |
23 | ||
083d87de | 24 | static int already_connected = 0; |
25 | ||
26 | #define CHECK_CONNECTED { if (!already_connected) return SMS_NOT_CONNECTED; } | |
27 | ||
28 | static client pseudo_client; | |
53db4098 | 29 | extern int krb_err_base, errno; |
30 | extern char *malloc(), *whoami; | |
674fd273 | 31 | extern time_t now; |
083d87de | 32 | |
33 | sms_connect() | |
34 | { | |
35 | register int status; | |
36 | ||
37 | if (already_connected) return SMS_ALREADY_CONNECTED; | |
38 | ||
39 | init_sms_err_tbl(); | |
40 | init_krb_err_tbl(); | |
41 | bzero((char *)&pseudo_client, sizeof(pseudo_client)); /* XXX */ | |
42 | ||
43 | status = sms_open_database(); | |
44 | if (!status) already_connected = 1; | |
45 | return status; | |
46 | } | |
47 | ||
48 | sms_disconnect() | |
49 | { | |
50 | CHECK_CONNECTED; | |
51 | sms_close_database(); | |
52 | already_connected = 0; | |
53 | return 0; | |
54 | } | |
55 | ||
56 | sms_noop() | |
57 | { | |
58 | CHECK_CONNECTED; | |
59 | return 0; | |
60 | } | |
61 | /* | |
62 | * This routine is rather bogus, as it only fills in who you claim to be. | |
63 | */ | |
53db4098 | 64 | sms_auth(prog) |
65 | char *prog; | |
083d87de | 66 | { |
67 | struct passwd *pw; | |
fe8a06f8 | 68 | extern char *krb_realm; |
53db4098 | 69 | char buf[1024], *strsave(); |
0ed584c8 | 70 | |
083d87de | 71 | CHECK_CONNECTED; |
72 | pw = getpwuid(getuid()); | |
73 | if (!pw) return (KDC_PR_UNKNOWN + krb_err_base); /* XXX hack (we | |
74 | * need an extended | |
75 | * error code table) | |
76 | */ | |
77 | strcpy(pseudo_client.kname.name, pw->pw_name); | |
78 | get_krbrlm(pseudo_client.kname.realm, 1); | |
fe8a06f8 | 79 | krb_realm = pseudo_client.kname.realm; |
0ed584c8 | 80 | |
81 | strcpy(buf, pw->pw_name); | |
82 | strcat(buf, "@"); | |
83 | strcat(buf, pseudo_client.kname.realm); | |
84 | pseudo_client.clname = malloc(strlen(buf)+1); | |
85 | strcpy(pseudo_client.clname, buf); | |
53db4098 | 86 | pseudo_client.users_id = get_users_id(pseudo_client.kname.name); |
87 | pseudo_client.entity = strsave(prog); | |
674fd273 | 88 | pseudo_client.args = (sms_params *) malloc(sizeof(sms_params)); |
89 | pseudo_client.args->sms_version_no = SMS_VERSION_2; | |
28d7ad92 | 90 | return 0; |
083d87de | 91 | } |
92 | ||
53db4098 | 93 | struct hint { |
94 | int (*proc)(); | |
95 | char *hint; | |
96 | }; | |
97 | ||
98 | callback(argc, argv, arg) | |
99 | int argc; | |
100 | char **argv; | |
101 | struct hint *arg; | |
102 | { | |
103 | if (sms_trim_args(argc, argv) == SMS_NO_MEM) { | |
104 | com_err(whoami, SMS_NO_MEM, "while trimmming args"); | |
105 | } | |
106 | (*arg->proc)(argc, argv, arg->hint); | |
107 | } | |
108 | ||
109 | ||
083d87de | 110 | int sms_query(name, argc, argv, callproc, callarg) |
111 | char *name; /* Query name */ | |
112 | int argc; /* Arg count */ | |
113 | char **argv; /* Args */ | |
114 | int (*callproc)(); /* Callback procedure */ | |
115 | char *callarg; /* Callback argument */ | |
116 | { | |
53db4098 | 117 | struct hint hints; |
118 | ||
674fd273 | 119 | time(&now); |
53db4098 | 120 | hints.proc = callproc; |
121 | hints.hint = callarg; | |
083d87de | 122 | return sms_process_query(&pseudo_client, name, argc, argv, |
53db4098 | 123 | callback, &hints); |
083d87de | 124 | } |
125 | ||
126 | int sms_access(name, argc, argv) | |
127 | char *name; /* Query name */ | |
128 | int argc; /* Arg count */ | |
129 | char **argv; /* Args */ | |
130 | { | |
674fd273 | 131 | time(&now); |
083d87de | 132 | return sms_check_access(&pseudo_client, name, argc, argv); |
133 | } | |
134 | ||
135 | int sms_query_internal(argc, argv, callproc, callarg) | |
136 | int argc; | |
137 | char **argv; | |
138 | int (*callproc)(); | |
139 | char *callarg; | |
140 | { | |
53db4098 | 141 | struct hint hints; |
142 | ||
674fd273 | 143 | time(&now); |
53db4098 | 144 | hints.proc = callproc; |
145 | hints.hint = callarg; | |
083d87de | 146 | return sms_process_query(&pseudo_client, argv[0], argc-1, argv+1, |
53db4098 | 147 | callback, &hints); |
083d87de | 148 | } |
149 | ||
150 | int sms_access_internal(argc, argv) | |
151 | int argc; | |
152 | char **argv; | |
153 | { | |
674fd273 | 154 | time(&now); |
083d87de | 155 | return sms_check_access(&pseudo_client, argv[0], argc-1, argv+1); |
156 | } | |
157 | ||
158 | sms_shutdown(why) | |
159 | char *why; | |
160 | { | |
161 | fprintf(stderr, "Sorry, not implemented\n"); | |
162 | } | |
163 | ||
53db4098 | 164 | |
165 | /* trigger_dcm is also used as a followup routine to the | |
166 | * set_server_host_override query, hence the two dummy arguments. | |
167 | */ | |
168 | ||
169 | struct query pseudo_query = { | |
170 | "trigger_dcm", | |
171 | "tdcm", | |
172 | }; | |
173 | ||
174 | trigger_dcm(dummy0, dummy1, cl) | |
175 | int dummy0, dummy1; | |
176 | client *cl; | |
177 | { | |
178 | register int pid, status; | |
179 | ||
180 | if (status = check_query_access(&pseudo_query, 0, cl)) | |
181 | return(status); | |
182 | ||
183 | pid = vfork(); | |
184 | switch (pid) { | |
185 | case 0: | |
186 | execl("/u1/sms/bin/startdcm", "startdcm", 0); | |
187 | exit(1); | |
188 | ||
189 | case -1: | |
190 | return(errno); | |
191 | ||
192 | default: | |
193 | return(SMS_SUCCESS); | |
194 | } | |
195 | } | |
196 | ||
197 | ||
083d87de | 198 | /* |
199 | * Local Variables: | |
200 | * mode: c | |
201 | * c-indent-level: 4 | |
202 | * c-continued-statement-offset: 4 | |
203 | * c-brace-offset: -4 | |
204 | * c-argdecl-indent: 4 | |
205 | * c-label-offset: -4 | |
206 | * End: | |
207 | */ |