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1 | /* $Id$ | |
2 | * | |
3 | * This is the file main.c for the Moira Client, which allows users | |
4 | * to quickly and easily maintain most parts of the Moira database. | |
5 | * It Contains: The main driver for the Moira Client. | |
6 | * | |
7 | * Created: 4/12/88 | |
8 | * By: Chris D. Peterson | |
9 | * | |
10 | * Copyright (C) 1988-1998 by the Massachusetts Institute of Technology. | |
11 | * For copying and distribution information, please see the file | |
12 | * <mit-copyright.h>. | |
13 | */ | |
14 | ||
15 | #include <mit-copyright.h> | |
16 | #include <moira.h> | |
17 | #include <mrclient.h> | |
18 | #include "defs.h" | |
19 | #include "f_defs.h" | |
20 | #include "globals.h" | |
21 | ||
22 | #include <pwd.h> | |
23 | #include <signal.h> | |
24 | #include <stdio.h> | |
25 | #include <string.h> | |
26 | #include <unistd.h> | |
27 | ||
28 | #include <krb.h> | |
29 | ||
30 | RCSID("$Header$"); | |
31 | ||
32 | static void ErrorExit(char *buf, int status); | |
33 | static void Usage(void); | |
34 | static void Signal_Handler(void); | |
35 | static void CatchInterrupt(void); | |
36 | ||
37 | char *whoami; /* used by menu.c ugh!!! */ | |
38 | char *moira_server; | |
39 | int interrupt = 0; | |
40 | ||
41 | extern Menu moira_top_menu, list_menu, user_menu, dcm_menu; | |
42 | ||
43 | #ifdef HAVE_CURSES | |
44 | Bool use_menu = TRUE; /* whether or not we are using a menu. */ | |
45 | #endif | |
46 | ||
47 | /* Function Name: main | |
48 | * Description: The main driver for the Moira Client. | |
49 | * Arguments: argc, argv - standard command line args. | |
50 | * Returns: doesn't return. | |
51 | */ | |
52 | ||
53 | int main(int argc, char **argv) | |
54 | { | |
55 | int status; | |
56 | Menu *menu; | |
57 | char **arg, pname[ANAME_SZ]; | |
58 | struct sigaction act; | |
59 | ||
60 | if (!(program_name = strrchr(argv[0], '/'))) | |
61 | program_name = argv[0]; | |
62 | else | |
63 | program_name++; | |
64 | program_name = strdup(program_name); | |
65 | whoami = strdup(program_name); /* used by menu.c, ugh !!! */ | |
66 | ||
67 | user = mrcl_krb_user(); | |
68 | if (!user) | |
69 | exit(1); | |
70 | ||
71 | verbose = TRUE; | |
72 | arg = argv; | |
73 | moira_server = NULL; | |
74 | ||
75 | while (++arg - argv < argc) | |
76 | { | |
77 | if (**arg == '-') | |
78 | { | |
79 | if (!strcmp(*arg, "-nomenu")) | |
80 | { | |
81 | #ifdef HAVE_CURSES | |
82 | use_menu = FALSE; | |
83 | #else | |
84 | ; | |
85 | #endif | |
86 | } | |
87 | else if (!strcmp(*arg, "-menu")) | |
88 | { | |
89 | #ifdef HAVE_CURSES | |
90 | use_menu = TRUE; | |
91 | #else | |
92 | fprintf(stderr, "%s: No curses support. -menu option ignored\n", | |
93 | whoami); | |
94 | #endif | |
95 | } | |
96 | else if (!strcmp(*arg, "-db")) | |
97 | { | |
98 | if (arg - argv < argc - 1) | |
99 | { | |
100 | ++arg; | |
101 | moira_server = *arg; | |
102 | } else | |
103 | Usage(); | |
104 | } | |
105 | else | |
106 | Usage(); | |
107 | } | |
108 | } | |
109 | ||
110 | if (mrcl_connect(moira_server, program_name, 2, 0) != MRCL_SUCCESS) | |
111 | exit(1); | |
112 | ||
113 | if ((status = mr_auth(program_name))) | |
114 | { | |
115 | if (status == MR_USER_AUTH) | |
116 | { | |
117 | char buf[BUFSIZ]; | |
118 | com_err(program_name, status, "\nPress [RETURN] to continue"); | |
119 | fgets(buf, BUFSIZ, stdin); | |
120 | } | |
121 | else | |
122 | { | |
123 | if (status >= ERROR_TABLE_BASE_krb && | |
124 | status <= ERROR_TABLE_BASE_krb + 256) | |
125 | ErrorExit("\nAuthorization failed -- please run kinit", status); | |
126 | else | |
127 | ErrorExit("\nAuthorization failed.", status); | |
128 | } | |
129 | } | |
130 | ||
131 | /* | |
132 | * These signals should not be set until just before we fire up the menu | |
133 | * system. | |
134 | */ | |
135 | ||
136 | sigemptyset(&act.sa_mask); | |
137 | act.sa_flags = 0; | |
138 | act.sa_handler = Signal_Handler; | |
139 | sigaction(SIGHUP, &act, NULL); | |
140 | sigaction(SIGQUIT, &act, NULL); | |
141 | #ifdef HAVE_CURSES | |
142 | if (use_menu) | |
143 | sigaction(SIGINT, &act, NULL); | |
144 | else | |
145 | #endif | |
146 | { | |
147 | act.sa_handler = CatchInterrupt; | |
148 | sigaction(SIGINT, &act, NULL); | |
149 | } | |
150 | ||
151 | if (!strcmp(program_name, "listmaint")) | |
152 | menu = &list_menu; | |
153 | else if (!strcmp(program_name, "usermaint")) | |
154 | menu = &user_menu; | |
155 | else if (!strcmp(program_name, "dcmmaint")) | |
156 | menu = &dcm_menu; | |
157 | else | |
158 | menu = &moira_top_menu; | |
159 | ||
160 | #ifdef HAVE_CURSES | |
161 | if (use_menu) /* Start menus that execute program */ | |
162 | { | |
163 | Start_paging(); | |
164 | Start_menu(menu); | |
165 | Stop_paging(); | |
166 | } | |
167 | else /* Start program without menus. */ | |
168 | #endif | |
169 | Start_no_menu(menu); | |
170 | ||
171 | mr_disconnect(); | |
172 | exit(0); | |
173 | } | |
174 | ||
175 | /* Function Name: ErrorExit | |
176 | * Description: This function does the error handling and exits. | |
177 | * Arguments: buf - the error message to print. | |
178 | * status - the error code. | |
179 | * Returns: doesn't return. | |
180 | */ | |
181 | ||
182 | static void ErrorExit(char *buf, int status) | |
183 | { | |
184 | com_err(program_name, status, buf); | |
185 | mr_disconnect(); | |
186 | exit(1); | |
187 | } | |
188 | ||
189 | /* Function Name: usage | |
190 | * Description: Prints usage info and then exits. | |
191 | * Arguments: none | |
192 | * Returns: doesn't return. | |
193 | */ | |
194 | ||
195 | static void Usage(void) | |
196 | { | |
197 | fprintf(stderr, "Usage: %s [-nomenu | -menu] [-db server[:port]]\n", | |
198 | program_name); | |
199 | exit(1); | |
200 | } | |
201 | ||
202 | /* Function Name: Signal_Handler | |
203 | * Description: This function cleans up from a signal interrupt. | |
204 | * Arguments: none. | |
205 | * Returns: doesn't | |
206 | */ | |
207 | ||
208 | static void Signal_Handler(void) | |
209 | { | |
210 | Put_message("Signal caught - exiting"); | |
211 | #ifdef HAVE_CURSES | |
212 | if (use_menu) | |
213 | Cleanup_menu(); | |
214 | #endif | |
215 | mr_disconnect(); | |
216 | exit(1); | |
217 | } | |
218 | ||
219 | ||
220 | static void CatchInterrupt(void) | |
221 | { | |
222 | Put_message("Interrupt! Press RETURN to continue"); | |
223 | interrupt = 1; | |
224 | } |