3 * Glue routines to allow the database stuff to be linked in to
4 * a program expecting a library level interface.
6 * Copyright (C) 1987-1998 by the Massachusetts Institute of Technology
7 * For copying and distribution information, please see the file
11 #include <mit-copyright.h>
12 #include "mr_server.h"
24 extern char *krb_get_lrealm(char *, int);
28 static int already_connected = 0;
30 #define CHECK_CONNECTED { if (!already_connected) return MR_NOT_CONNECTED; }
32 static client pseudo_client;
33 client *cur_client = &pseudo_client;
38 int callback(int argc, char **argv, void *arg);
40 int mr_connect(char *server)
43 extern int query_timeout;
44 struct sigaction action;
46 if (already_connected)
47 return MR_ALREADY_CONNECTED;
49 initialize_sms_error_table();
50 initialize_krb_error_table();
51 memset(&pseudo_client, 0, sizeof(pseudo_client));
54 status = mr_open_database();
56 already_connected = 1;
59 sigemptyset(&action.sa_mask);
60 sigaddset(&action.sa_mask, SIGCHLD);
61 action.sa_handler = reapchild;
62 if (sigaction(SIGCHLD, &action, NULL) < 0)
64 com_err(whoami, errno, "Unable to establish signal handlers.");
70 int mr_disconnect(void)
74 already_connected = 0;
85 * This routine is rather bogus, as it only fills in who you claim to be.
87 int mr_auth(char *prog)
90 char buf[MAX_K_NAME_SZ];
93 pw = getpwuid(getuid());
95 return KDC_PR_UNKNOWN + ERROR_TABLE_BASE_krb;
96 strcpy(pseudo_client.kname.name, pw->pw_name);
97 krb_get_lrealm(pseudo_client.kname.realm, 1);
99 strcpy(buf, pw->pw_name);
101 strcat(buf, pseudo_client.kname.realm);
102 strcpy(pseudo_client.clname, buf);
103 pseudo_client.users_id = 0;
104 name_to_id(pseudo_client.kname.name, USERS_TABLE, &pseudo_client.users_id);
105 pseudo_client.client_id = pseudo_client.users_id;
106 strncpy(pseudo_client.entity, prog, 8);
111 int (*proc)(int, char **, void *);
115 int callback(int argc, char **argv, void *arg)
117 struct hint *hint = arg;
118 if (mr_trim_args(argc, argv) == MR_NO_MEM)
119 com_err(whoami, MR_NO_MEM, "while trimmming args");
120 return (*hint->proc)(argc, argv, hint->hint);
124 int mr_query(char *name, int argc, char **argv,
125 int (*callproc)(int, char **, void *), void *callarg)
130 hints.proc = callproc;
131 hints.hint = callarg;
133 return mr_process_query(&pseudo_client, name, argc,
134 mr_copy_args(argv, argc), callback,
138 int mr_access(char *name, int argc, char **argv)
141 return mr_check_access(&pseudo_client, name, argc,
142 mr_copy_args(argv, argc));
149 while ((pid = waitpid(-1, &status, WNOHANG)) > 0)
156 if (WTERMSIG(status) != 0 || WEXITSTATUS(status) != 0)
158 com_err(whoami, 0, "%d: child exits with signal %d status %d",
159 pid, WTERMSIG(status), WEXITSTATUS(status));