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1 | /* | |
2 | * "$Id: server.c 7927 2008-09-10 22:05:29Z mike $" | |
3 | * | |
4 | * Server start/stop routines for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * Copyright 2007-2008 by Apple Inc. | |
7 | * Copyright 1997-2006 by Easy Software Products, all rights reserved. | |
8 | * | |
9 | * These coded instructions, statements, and computer programs are the | |
10 | * property of Apple Inc. and are protected by Federal copyright | |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
14 | * | |
15 | * Contents: | |
16 | * | |
17 | * cupsdStartServer() - Start the server. | |
18 | * cupsdStopServer() - Stop the server. | |
19 | */ | |
20 | ||
21 | /* | |
22 | * Include necessary headers... | |
23 | */ | |
24 | ||
25 | #include <cups/http-private.h> | |
26 | #include "cupsd.h" | |
27 | #include <grp.h> | |
28 | #ifdef HAVE_NOTIFY_H | |
29 | # include <notify.h> | |
30 | #endif /* HAVE_NOTIFY_H */ | |
31 | ||
32 | ||
33 | /* | |
34 | * Local globals... | |
35 | */ | |
36 | ||
37 | static int started = 0; | |
38 | ||
39 | ||
40 | /* | |
41 | * 'cupsdStartServer()' - Start the server. | |
42 | */ | |
43 | ||
44 | void | |
45 | cupsdStartServer(void) | |
46 | { | |
47 | #ifdef HAVE_LIBSSL | |
48 | int i; /* Looping var */ | |
49 | struct timeval curtime; /* Current time in microseconds */ | |
50 | unsigned char data[1024]; /* Seed data */ | |
51 | #endif /* HAVE_LIBSSL */ | |
52 | ||
53 | ||
54 | #ifdef HAVE_LIBSSL | |
55 | /* | |
56 | * Initialize the encryption libraries... | |
57 | */ | |
58 | ||
59 | SSL_library_init(); | |
60 | SSL_load_error_strings(); | |
61 | ||
62 | /* | |
63 | * Using the current time is a dubious random seed, but on some systems | |
64 | * it is the best we can do (on others, this seed isn't even used...) | |
65 | */ | |
66 | ||
67 | gettimeofday(&curtime, NULL); | |
68 | srand(curtime.tv_sec + curtime.tv_usec); | |
69 | ||
70 | for (i = 0; i < sizeof(data); i ++) | |
71 | data[i] = rand(); /* Yes, this is a poor source of random data... */ | |
72 | ||
73 | RAND_seed(&data, sizeof(data)); | |
74 | #elif defined(HAVE_GNUTLS) | |
75 | /* | |
76 | * Initialize the encryption libraries... | |
77 | */ | |
78 | ||
79 | gnutls_global_init(); | |
80 | #endif /* HAVE_LIBSSL */ | |
81 | ||
82 | /* | |
83 | * Create the default security profile... | |
84 | */ | |
85 | ||
86 | DefaultProfile = cupsdCreateProfile(0); | |
87 | ||
88 | /* | |
89 | * Startup all the networking stuff... | |
90 | */ | |
91 | ||
92 | cupsdStartListening(); | |
93 | cupsdStartBrowsing(); | |
94 | cupsdStartPolling(); | |
95 | ||
96 | /* | |
97 | * Create a pipe for CGI processes... | |
98 | */ | |
99 | ||
100 | if (cupsdOpenPipe(CGIPipes)) | |
101 | cupsdLogMessage(CUPSD_LOG_ERROR, | |
102 | "cupsdStartServer: Unable to create pipes for CGI status!"); | |
103 | else | |
104 | { | |
105 | CGIStatusBuffer = cupsdStatBufNew(CGIPipes[0], "[CGI]"); | |
106 | ||
107 | cupsdAddSelect(CGIPipes[0], (cupsd_selfunc_t)cupsdUpdateCGI, NULL, NULL); | |
108 | } | |
109 | ||
110 | /* | |
111 | * Mark that the server has started and printers and jobs may be changed... | |
112 | */ | |
113 | ||
114 | LastEvent = CUPSD_EVENT_PRINTER_CHANGED | CUPSD_EVENT_JOB_STATE_CHANGED | | |
115 | CUPSD_EVENT_SERVER_STARTED; | |
116 | started = 1; | |
117 | ||
118 | cupsdSetBusyState(); | |
119 | } | |
120 | ||
121 | ||
122 | /* | |
123 | * 'cupsdStopServer()' - Stop the server. | |
124 | */ | |
125 | ||
126 | void | |
127 | cupsdStopServer(void) | |
128 | { | |
129 | if (!started) | |
130 | return; | |
131 | ||
132 | /* | |
133 | * Close all network clients and stop all jobs... | |
134 | */ | |
135 | ||
136 | cupsdCloseAllClients(); | |
137 | cupsdStopListening(); | |
138 | cupsdStopPolling(); | |
139 | cupsdStopBrowsing(); | |
140 | cupsdStopAllNotifiers(); | |
141 | cupsdDeleteAllCerts(); | |
142 | ||
143 | if (Clients) | |
144 | { | |
145 | cupsArrayDelete(Clients); | |
146 | Clients = NULL; | |
147 | } | |
148 | ||
149 | /* | |
150 | * Close the pipe for CGI processes... | |
151 | */ | |
152 | ||
153 | if (CGIPipes[0] >= 0) | |
154 | { | |
155 | cupsdRemoveSelect(CGIPipes[0]); | |
156 | ||
157 | cupsdStatBufDelete(CGIStatusBuffer); | |
158 | close(CGIPipes[1]); | |
159 | ||
160 | CGIPipes[0] = -1; | |
161 | CGIPipes[1] = -1; | |
162 | } | |
163 | ||
164 | #ifdef HAVE_NOTIFY_POST | |
165 | /* | |
166 | * Send one last notification as the server shuts down. | |
167 | */ | |
168 | ||
169 | cupsdLogMessage(CUPSD_LOG_DEBUG, | |
170 | "notify_post(\"com.apple.printerListChange\") last"); | |
171 | notify_post("com.apple.printerListChange"); | |
172 | #endif /* HAVE_NOTIFY_POST */ | |
173 | ||
174 | /* | |
175 | * Close all log files... | |
176 | */ | |
177 | ||
178 | if (AccessFile != NULL) | |
179 | { | |
180 | cupsFileClose(AccessFile); | |
181 | ||
182 | AccessFile = NULL; | |
183 | } | |
184 | ||
185 | if (ErrorFile != NULL) | |
186 | { | |
187 | cupsFileClose(ErrorFile); | |
188 | ||
189 | ErrorFile = NULL; | |
190 | } | |
191 | ||
192 | if (PageFile != NULL) | |
193 | { | |
194 | cupsFileClose(PageFile); | |
195 | ||
196 | PageFile = NULL; | |
197 | } | |
198 | ||
199 | /* | |
200 | * Delete the default security profile... | |
201 | */ | |
202 | ||
203 | cupsdDestroyProfile(DefaultProfile); | |
204 | DefaultProfile = NULL; | |
205 | ||
206 | /* | |
207 | * Write out any dirty files... | |
208 | */ | |
209 | ||
210 | if (DirtyFiles) | |
211 | cupsdCleanDirty(); | |
212 | ||
213 | started = 0; | |
214 | } | |
215 | ||
216 | ||
217 | /* | |
218 | * End of "$Id: server.c 7927 2008-09-10 22:05:29Z mike $". | |
219 | */ |