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ef416fc2 | 1 | /* |
2 | * "$Id: server.c 4830 2005-11-12 03:27:16Z mike $" | |
3 | * | |
4 | * Server start/stop routines for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * Copyright 1997-2005 by Easy Software Products, all rights reserved. | |
7 | * | |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636 USA | |
19 | * | |
20 | * Voice: (301) 373-9600 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * Contents: | |
25 | * | |
26 | * cupsdStartServer() - Start the server. | |
27 | * cupsdStopServer() - Stop the server. | |
28 | */ | |
29 | ||
30 | /* | |
31 | * Include necessary headers... | |
32 | */ | |
33 | ||
34 | #include <cups/http-private.h> | |
35 | #include "cupsd.h" | |
36 | #include <grp.h> | |
37 | ||
38 | ||
39 | /* | |
40 | * Local globals... | |
41 | */ | |
42 | ||
43 | static int started = 0; | |
44 | ||
45 | ||
46 | /* | |
47 | * 'cupsdStartServer()' - Start the server. | |
48 | */ | |
49 | ||
50 | void | |
51 | cupsdStartServer(void) | |
52 | { | |
53 | #ifdef HAVE_LIBSSL | |
54 | int i; /* Looping var */ | |
55 | struct timeval curtime; /* Current time in microseconds */ | |
56 | unsigned char data[1024]; /* Seed data */ | |
57 | #endif /* HAVE_LIBSSL */ | |
58 | ||
59 | ||
60 | #ifdef HAVE_LIBSSL | |
61 | /* | |
62 | * Initialize the encryption libraries... | |
63 | */ | |
64 | ||
65 | SSL_library_init(); | |
66 | SSL_load_error_strings(); | |
67 | ||
68 | /* | |
69 | * Using the current time is a dubious random seed, but on some systems | |
70 | * it is the best we can do (on others, this seed isn't even used...) | |
71 | */ | |
72 | ||
73 | gettimeofday(&curtime, NULL); | |
74 | srand(curtime.tv_sec + curtime.tv_usec); | |
75 | ||
76 | for (i = 0; i < sizeof(data); i ++) | |
77 | data[i] = rand(); /* Yes, this is a poor source of random data... */ | |
78 | ||
79 | RAND_seed(&data, sizeof(data)); | |
80 | #elif defined(HAVE_GNUTLS) | |
81 | /* | |
82 | * Initialize the encryption libraries... | |
83 | */ | |
84 | ||
85 | gnutls_global_init(); | |
86 | #endif /* HAVE_LIBSSL */ | |
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 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
108 | "cupsdStartServer: Adding fd %d to InputSet...", | |
109 | CGIPipes[0]); | |
110 | FD_SET(CGIPipes[0], InputSet); | |
111 | } | |
112 | ||
113 | started = 1; | |
114 | } | |
115 | ||
116 | ||
117 | /* | |
118 | * 'cupsdStopServer()' - Stop the server. | |
119 | */ | |
120 | ||
121 | void | |
122 | cupsdStopServer(void) | |
123 | { | |
124 | if (!started) | |
125 | return; | |
126 | ||
127 | /* | |
128 | * Close all network clients and stop all jobs... | |
129 | */ | |
130 | ||
131 | cupsdCloseAllClients(); | |
132 | cupsdStopListening(); | |
133 | cupsdStopPolling(); | |
134 | cupsdStopBrowsing(); | |
135 | cupsdStopAllNotifiers(); | |
136 | cupsdSaveRemoteCache(); | |
137 | ||
138 | if (Clients != NULL) | |
139 | { | |
140 | free(Clients); | |
141 | Clients = NULL; | |
142 | } | |
143 | ||
144 | #if defined(HAVE_SSL) && defined(HAVE_CDSASSL) | |
145 | /* | |
146 | * Free all of the certificates... | |
147 | */ | |
148 | ||
149 | if (ServerCertificatesArray) | |
150 | { | |
151 | CFRelease(ServerCertificatesArray); | |
152 | ServerCertificatesArray = NULL; | |
153 | } | |
154 | #endif /* HAVE_SSL && HAVE_CDSASSL */ | |
155 | ||
156 | /* | |
157 | * Close the pipe for CGI processes... | |
158 | */ | |
159 | ||
160 | if (CGIPipes[0] >= 0) | |
161 | { | |
162 | cupsdLogMessage(CUPSD_LOG_DEBUG2, | |
163 | "cupsdStopServer: Removing fd %d from InputSet...", | |
164 | CGIPipes[0]); | |
165 | ||
166 | FD_CLR(CGIPipes[0], InputSet); | |
167 | ||
168 | cupsdStatBufDelete(CGIStatusBuffer); | |
169 | close(CGIPipes[1]); | |
170 | ||
171 | CGIPipes[0] = -1; | |
172 | CGIPipes[1] = -1; | |
173 | } | |
174 | ||
175 | /* | |
176 | * Close all log files... | |
177 | */ | |
178 | ||
179 | if (AccessFile != NULL) | |
180 | { | |
181 | cupsFileClose(AccessFile); | |
182 | ||
183 | AccessFile = NULL; | |
184 | } | |
185 | ||
186 | if (ErrorFile != NULL) | |
187 | { | |
188 | cupsFileClose(ErrorFile); | |
189 | ||
190 | ErrorFile = NULL; | |
191 | } | |
192 | ||
193 | if (PageFile != NULL) | |
194 | { | |
195 | cupsFileClose(PageFile); | |
196 | ||
197 | PageFile = NULL; | |
198 | } | |
199 | ||
200 | started = 0; | |
201 | } | |
202 | ||
203 | ||
204 | /* | |
205 | * End of "$Id: server.c 4830 2005-11-12 03:27:16Z mike $". | |
206 | */ |