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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 <signal.h> | |
23 | #include <stdio.h> | |
24 | #include <string.h> | |
25 | #ifdef HAVE_UNISTD_H | |
26 | #include <unistd.h> | |
27 | #endif /* HAVE_UNISTD_H */ | |
28 | ||
29 | RCSID("$Header$"); | |
30 | ||
31 | static void ErrorExit(char *buf, int status); | |
32 | static void Usage(void); | |
33 | static void Signal_Handler(int sig); | |
34 | static void CatchInterrupt(int sig); | |
35 | static void SetHandlers(void); | |
36 | static char* get_program_name(char *arg); | |
37 | ||
38 | char *whoami; /* used by menu.c ugh!!! */ | |
39 | char *moira_server; | |
40 | int interrupt = 0; | |
41 | ||
42 | extern Menu moira_top_menu, list_menu, user_menu, dcm_menu; | |
43 | ||
44 | #ifdef HAVE_CURSES | |
45 | Bool use_menu = TRUE; /* whether or not we are using a menu. */ | |
46 | #endif | |
47 | ||
48 | /* Function Name: main | |
49 | * Description: The main driver for the Moira Client. | |
50 | * Arguments: argc, argv - standard command line args. | |
51 | * Returns: doesn't return. | |
52 | */ | |
53 | ||
54 | int main(int argc, char **argv) | |
55 | { | |
56 | int status; | |
57 | Menu *menu; | |
58 | char **arg; | |
59 | ||
60 | program_name = get_program_name(argv[0]); | |
61 | whoami = strdup(program_name); /* used by menu.c, ugh !!! */ | |
62 | ||
63 | user = mrcl_krb_user(); | |
64 | if (!user) | |
65 | exit(1); | |
66 | ||
67 | verbose = TRUE; | |
68 | arg = argv; | |
69 | moira_server = NULL; | |
70 | ||
71 | while (++arg - argv < argc) | |
72 | { | |
73 | if (**arg == '-') | |
74 | { | |
75 | if (!strcmp(*arg, "-nomenu")) | |
76 | { | |
77 | #ifdef HAVE_CURSES | |
78 | use_menu = FALSE; | |
79 | #else | |
80 | ; | |
81 | #endif | |
82 | } | |
83 | else if (!strcmp(*arg, "-menu")) | |
84 | { | |
85 | #ifdef HAVE_CURSES | |
86 | use_menu = TRUE; | |
87 | #else | |
88 | fprintf(stderr, "%s: No curses support. -menu option ignored\n", | |
89 | whoami); | |
90 | #endif | |
91 | } | |
92 | else if (!strcmp(*arg, "-db")) | |
93 | { | |
94 | if (arg - argv < argc - 1) | |
95 | { | |
96 | ++arg; | |
97 | moira_server = *arg; | |
98 | } else | |
99 | Usage(); | |
100 | } | |
101 | else | |
102 | Usage(); | |
103 | } | |
104 | } | |
105 | ||
106 | if (mrcl_connect(moira_server, program_name, QUERY_VERSION, 0) | |
107 | != MRCL_SUCCESS) | |
108 | exit(1); | |
109 | ||
110 | if ((status = mr_krb5_auth(program_name))) | |
111 | { | |
112 | if (status == MR_UNKNOWN_PROC) | |
113 | status = mr_auth(program_name); | |
114 | ||
115 | if (status) { | |
116 | if (status == MR_USER_AUTH) | |
117 | { | |
118 | char buf[BUFSIZ]; | |
119 | com_err(program_name, status, "\nPress [RETURN] to continue"); | |
120 | fgets(buf, BUFSIZ, stdin); | |
121 | } | |
122 | else | |
123 | { | |
124 | if (status >= ERROR_TABLE_BASE_krb && | |
125 | status <= ERROR_TABLE_BASE_krb + 256) | |
126 | ErrorExit("\nAuthorization failed -- please run kinit", status); | |
127 | else | |
128 | ErrorExit("\nAuthorization failed.", status); | |
129 | } | |
130 | } | |
131 | } | |
132 | ||
133 | /* | |
134 | * These signals should not be set until just before we fire up the menu | |
135 | * system. | |
136 | */ | |
137 | SetHandlers(); | |
138 | ||
139 | if (!strcmp(program_name, "listmaint")) | |
140 | menu = &list_menu; | |
141 | else if (!strcmp(program_name, "usermaint")) | |
142 | menu = &user_menu; | |
143 | else if (!strcmp(program_name, "dcmmaint")) | |
144 | menu = &dcm_menu; | |
145 | else | |
146 | menu = &moira_top_menu; | |
147 | ||
148 | #ifdef HAVE_CURSES | |
149 | if (use_menu) /* Start menus that execute program */ | |
150 | { | |
151 | Start_paging(); | |
152 | Start_menu(menu); | |
153 | Stop_paging(); | |
154 | } | |
155 | else /* Start program without menus. */ | |
156 | #endif | |
157 | Start_no_menu(menu); | |
158 | ||
159 | mr_disconnect(); | |
160 | exit(0); | |
161 | } | |
162 | ||
163 | /* Function Name: ErrorExit | |
164 | * Description: This function does the error handling and exits. | |
165 | * Arguments: buf - the error message to print. | |
166 | * status - the error code. | |
167 | * Returns: doesn't return. | |
168 | */ | |
169 | ||
170 | static void ErrorExit(char *buf, int status) | |
171 | { | |
172 | com_err(program_name, status, buf); | |
173 | mr_disconnect(); | |
174 | exit(1); | |
175 | } | |
176 | ||
177 | /* Function Name: usage | |
178 | * Description: Prints usage info and then exits. | |
179 | * Arguments: none | |
180 | * Returns: doesn't return. | |
181 | */ | |
182 | ||
183 | static void Usage(void) | |
184 | { | |
185 | fprintf(stderr, "Usage: %s [-nomenu | -menu] [-db server[:port]]\n", | |
186 | program_name); | |
187 | exit(1); | |
188 | } | |
189 | ||
190 | /* Function Name: Signal_Handler | |
191 | * Description: This function cleans up from a signal interrupt. | |
192 | * Arguments: none. | |
193 | * Returns: doesn't | |
194 | */ | |
195 | ||
196 | static void Signal_Handler(int sig) | |
197 | { | |
198 | Put_message("Signal caught - exiting"); | |
199 | #ifdef HAVE_CURSES | |
200 | if (use_menu) | |
201 | Cleanup_menu(); | |
202 | #endif | |
203 | mr_disconnect(); | |
204 | exit(1); | |
205 | } | |
206 | ||
207 | ||
208 | static void CatchInterrupt(int sig) | |
209 | { | |
210 | Put_message("Interrupt! Press RETURN to continue"); | |
211 | interrupt = 1; | |
212 | } | |
213 | ||
214 | #ifdef HAVE_POSIX_SIGNALS | |
215 | static void SetHandlers(void) | |
216 | { | |
217 | struct sigaction act; | |
218 | ||
219 | sigemptyset(&act.sa_mask); | |
220 | act.sa_flags = 0; | |
221 | act.sa_handler = Signal_Handler; | |
222 | sigaction(SIGHUP, &act, NULL); | |
223 | sigaction(SIGQUIT, &act, NULL); | |
224 | #ifdef HAVE_CURSES | |
225 | if (use_menu) | |
226 | sigaction(SIGINT, &act, NULL); | |
227 | else | |
228 | #endif | |
229 | { | |
230 | act.sa_handler = CatchInterrupt; | |
231 | sigaction(SIGINT, &act, NULL); | |
232 | } | |
233 | } | |
234 | #else | |
235 | static void SetHandlers(void) | |
236 | { | |
237 | signal(SIGTERM, Signal_Handler); | |
238 | #ifdef HAVE_CURSES | |
239 | if (use_menu) | |
240 | signal(SIGINT, Signal_Handler); | |
241 | else | |
242 | #endif | |
243 | signal(SIGINT, CatchInterrupt); | |
244 | } | |
245 | #endif | |
246 | ||
247 | #ifdef _WIN32 | |
248 | static char* get_program_name(char *arg) | |
249 | { | |
250 | char* prog; | |
251 | char* ext; | |
252 | prog = max(max(strrchr(arg, '/'), strrchr(arg, '\\')) + 1, arg); | |
253 | prog = _strlwr(prog); | |
254 | prog = strdup(prog); | |
255 | ext = strrchr(prog, '.'); | |
256 | if (ext && !strcmp(ext, ".exe")) | |
257 | *ext = 0; | |
258 | return prog; | |
259 | } | |
260 | #else | |
261 | static char* get_program_name(char *arg) | |
262 | { | |
263 | char* prog; | |
264 | if (!(prog = strrchr(arg, '/'))) | |
265 | prog = arg; | |
266 | else | |
267 | prog++; | |
268 | return strdup(prog); | |
269 | } | |
270 | #endif |