1 |
nmav |
1.1 |
/* |
2 |
|
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* Boa, an http server |
3 |
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* Copyright (C) 1999 Larry Doolittle <ldoolitt@boa.org> |
4 |
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* |
5 |
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* This program is free software; you can redistribute it and/or modify |
6 |
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* it under the terms of the GNU General Public License as published by |
7 |
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* the Free Software Foundation; either version 1, or (at your option) |
8 |
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* any later version. |
9 |
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* |
10 |
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* This program is distributed in the hope that it will be useful, |
11 |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 |
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* GNU General Public License for more details. |
14 |
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* |
15 |
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* You should have received a copy of the GNU General Public License |
16 |
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* along with this program; if not, write to the Free Software |
17 |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
18 |
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* |
19 |
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*/ |
20 |
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21 |
nmav |
1.4 |
/* $Id: config.c,v 1.3 2002/09/24 21:47:25 nmav Exp $*/ |
22 |
nmav |
1.1 |
|
23 |
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#include "boa.h" |
24 |
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#include "y.tab.h" |
25 |
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#include "parse.h" |
26 |
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27 |
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int yyparse(void); /* Better match the output of lex */ |
28 |
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29 |
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#ifdef DEBUG |
30 |
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#define DBG(x) x |
31 |
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#else |
32 |
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#define DBG(x) |
33 |
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#endif |
34 |
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35 |
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int server_port; |
36 |
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uid_t server_uid; |
37 |
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gid_t server_gid; |
38 |
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char *server_root; |
39 |
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char *server_name; |
40 |
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char *server_admin; |
41 |
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char *server_ip; |
42 |
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long int max_connections; |
43 |
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44 |
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int server_max_threads = 1; |
45 |
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46 |
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char *server_cert; |
47 |
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char *server_key; |
48 |
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int ssl_session_cache; |
49 |
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int boa_ssl = 0; |
50 |
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int ssl_port = 443; |
51 |
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int ssl_dh_bits = 1024; /* default value */ |
52 |
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int ssl_session_timeout = 3600; |
53 |
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int ssl_params_refresh = 432000; /* every 5 days */ |
54 |
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55 |
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char *ssl_ciphers = NULL; |
56 |
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char *ssl_mac = NULL; |
57 |
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char *ssl_kx = NULL; |
58 |
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char *ssl_comp = NULL; |
59 |
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char *ssl_protocol = NULL; |
60 |
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61 |
nmav |
1.2 |
char *default_document_root; |
62 |
nmav |
1.3 |
int default_document_root_size; |
63 |
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64 |
nmav |
1.1 |
char *directory_index; |
65 |
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char *default_type; |
66 |
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char *dirmaker; |
67 |
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char *cachedir; |
68 |
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69 |
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char *tempdir; |
70 |
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71 |
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char *cgi_path = NULL; |
72 |
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int single_post_limit = SINGLE_POST_LIMIT_DEFAULT; |
73 |
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74 |
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int ka_timeout; |
75 |
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int ka_max; |
76 |
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77 |
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/* These came from log.c */ |
78 |
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char *error_log_name; |
79 |
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char *access_log_name; |
80 |
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char *cgi_log_name; |
81 |
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82 |
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int use_localtime; |
83 |
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84 |
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/* These are new */ |
85 |
nmav |
1.2 |
static void c_set_user(char *v1, char* v2, char* v3, char* v4, void *t); |
86 |
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static void c_set_group(char *v1, char* v2, char* v3, char* v4, void *t); |
87 |
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static void c_set_string(char *v1, char* v2, char* v3, char* v4, void *t); |
88 |
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static void c_set_int(char *v1, char* v2, char* v3, char* v4, void *t); |
89 |
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static void c_set_unity(char *v1, char* v2, char* v3, char* v4, void *t); |
90 |
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static void c_add_type(char *v1, char* v2, char* v3, char* v4, void *t); |
91 |
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static void c_add_vhost(char *v1, char* v2, char* v3, char*v4, void *t); |
92 |
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static void c_add_alias(char *v1, char* v2, char* v3, char* v4, void *t); |
93 |
nmav |
1.1 |
|
94 |
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/* Fakery to keep the value passed to action() a void *, |
95 |
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see usage in table and c_add_alias() below */ |
96 |
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static int script_number = SCRIPTALIAS; |
97 |
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static int redirect_number = REDIRECT; |
98 |
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static int alias_number = ALIAS; |
99 |
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static uid_t current_uid=0; |
100 |
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101 |
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/* Help keep the table below compact */ |
102 |
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#define S0A STMT_NO_ARGS |
103 |
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#define S1A STMT_ONE_ARG |
104 |
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#define S2A STMT_TWO_ARGS |
105 |
nmav |
1.4 |
#define S3A STMT_THREE_ARGS |
106 |
nmav |
1.2 |
#define S4A STMT_FOUR_ARGS |
107 |
nmav |
1.1 |
|
108 |
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struct ccommand clist[] = { |
109 |
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{"SSLCiphers", S1A, c_set_string, &ssl_ciphers}, |
110 |
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{"SSLKeyExchangeAlgorithms", S1A, c_set_string, &ssl_kx}, |
111 |
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{"SSLMACAlgorithms", S1A, c_set_string, &ssl_mac}, |
112 |
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{"SSLProtocols", S1A, c_set_string, &ssl_protocol}, |
113 |
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{"SSLCompressionMethods", S1A, c_set_string, &ssl_comp}, |
114 |
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{"SSLCertificate", S1A, c_set_string, &server_cert}, |
115 |
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{"SSLKey", S1A, c_set_string, &server_key}, |
116 |
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{"SSLSessionCache", S1A, c_set_int, &ssl_session_cache}, |
117 |
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{"SSL", S1A, c_set_int, &boa_ssl}, |
118 |
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{"SSLPort", S1A, c_set_int, &ssl_port}, |
119 |
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{"SSLDHBits", S1A, c_set_int, &ssl_dh_bits}, |
120 |
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{"SSLSessionTimeout", S1A, c_set_int, &ssl_session_timeout}, |
121 |
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{"SSLParamsRefresh", S1A, c_set_int, &ssl_params_refresh}, |
122 |
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{"Threads", S1A, c_set_int, &server_max_threads}, |
123 |
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{"Port", S1A, c_set_int, &server_port}, |
124 |
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{"Listen", S1A, c_set_string, &server_ip}, |
125 |
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{"BackLog", S1A, c_set_int, &backlog}, |
126 |
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{"User", S1A, c_set_user, NULL}, |
127 |
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{"Group", S1A, c_set_group, NULL}, |
128 |
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{"ServerAdmin", S1A, c_set_string, &server_admin}, |
129 |
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{"ServerRoot", S1A, c_set_string, &server_root}, |
130 |
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{"ErrorLog", S1A, c_set_string, &error_log_name}, |
131 |
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{"AccessLog", S1A, c_set_string, &access_log_name}, |
132 |
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{"UseLocaltime", S0A, c_set_unity, &use_localtime}, |
133 |
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{"CgiLog", S1A, c_set_string, &cgi_log_name}, |
134 |
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{"VerboseCGILogs", S0A, c_set_unity, &verbose_cgi_logs}, |
135 |
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{"ServerName", S1A, c_set_string, &server_name}, |
136 |
nmav |
1.2 |
{"DocumentRoot", S1A, c_set_string, &default_document_root}, |
137 |
nmav |
1.1 |
{"DirectoryIndex", S1A, c_set_string, &directory_index}, |
138 |
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{"DirectoryMaker", S1A, c_set_string, &dirmaker}, |
139 |
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{"DirectoryCache", S1A, c_set_string, &cachedir}, |
140 |
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{"KeepAliveMax", S1A, c_set_int, &ka_max}, |
141 |
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{"KeepAliveTimeout", S1A, c_set_int, &ka_timeout}, |
142 |
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{"MimeTypes", S1A, c_set_string, &mime_types}, |
143 |
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{"DefaultType", S1A, c_set_string, &default_type}, |
144 |
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{"AddType", S2A, c_add_type, NULL}, |
145 |
nmav |
1.4 |
{"ScriptAlias", S3A, c_add_alias, &script_number}, |
146 |
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{"Redirect", S3A, c_add_alias, &redirect_number}, |
147 |
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{"Alias", S3A, c_add_alias, &alias_number}, |
148 |
nmav |
1.2 |
/* HOST - IP - DOCUMENT_ROOT - USER_DIR */ |
149 |
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{"VirtualHost", S4A, c_add_vhost, NULL}, |
150 |
nmav |
1.1 |
{"SinglePostLimit", S1A, c_set_int, &single_post_limit}, |
151 |
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{"CGIPath", S1A, c_set_string, &cgi_path}, |
152 |
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{"MaxConnections", S1A, c_set_int, &max_connections}, |
153 |
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}; |
154 |
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|
155 |
nmav |
1.2 |
static void c_set_user(char *v1, char* v2, char* v3, char* v4, void *t) |
156 |
nmav |
1.1 |
{ |
157 |
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struct passwd *passwdbuf; |
158 |
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char *endptr; |
159 |
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int i; |
160 |
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161 |
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DBG(printf("User %s = ", v1); |
162 |
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) |
163 |
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i = strtol(v1, &endptr, 0); |
164 |
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if (*v1 != '\0' && *endptr == '\0') { |
165 |
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server_uid = i; |
166 |
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} else { |
167 |
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passwdbuf = getpwnam(v1); |
168 |
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if (!passwdbuf) { |
169 |
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if (current_uid) |
170 |
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return; |
171 |
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fprintf(stderr, "No such user: %s\n", v1); |
172 |
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exit(1); |
173 |
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} |
174 |
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server_uid = passwdbuf->pw_uid; |
175 |
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} |
176 |
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DBG(printf("%d\n", server_uid); |
177 |
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) |
178 |
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} |
179 |
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|
180 |
nmav |
1.2 |
static void c_set_group(char *v1, char* v2, char* v3, char* v4, void *t) |
181 |
nmav |
1.1 |
{ |
182 |
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struct group *groupbuf; |
183 |
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char *endptr; |
184 |
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int i; |
185 |
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DBG(printf("Group %s = ", v1); |
186 |
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) |
187 |
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i = strtol(v1, &endptr, 0); |
188 |
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if (*v1 != '\0' && *endptr == '\0') { |
189 |
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server_gid = i; |
190 |
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} else { |
191 |
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groupbuf = getgrnam(v1); |
192 |
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if (!groupbuf) { |
193 |
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if (current_uid) |
194 |
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return; |
195 |
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fprintf(stderr, "No such group: %s\n", v1); |
196 |
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exit(1); |
197 |
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} |
198 |
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server_gid = groupbuf->gr_gid; |
199 |
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} |
200 |
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DBG(printf("%d\n", server_gid); |
201 |
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) |
202 |
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} |
203 |
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|
204 |
nmav |
1.2 |
static void c_set_string(char *v1, char* v2, char* v3, char* v4, void *t) |
205 |
nmav |
1.1 |
{ |
206 |
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char *s; |
207 |
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DBG(printf("Setting pointer %p to string %s ..", t, v1); |
208 |
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) |
209 |
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if (t) { |
210 |
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s = *(char **) t; |
211 |
|
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if (s) |
212 |
|
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free(s); |
213 |
|
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*(char **) t = strdup(v1); |
214 |
|
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if (!*(char **) t) { |
215 |
|
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DIE("Unable to strdup in c_set_string"); |
216 |
|
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} |
217 |
|
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DBG(printf("done.\n"); |
218 |
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) |
219 |
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} else { |
220 |
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DBG(printf("skipped.\n"); |
221 |
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) |
222 |
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} |
223 |
|
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} |
224 |
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|
225 |
nmav |
1.2 |
static void c_set_int(char *v1, char* v2, char* v3, char* v4, void *t) |
226 |
nmav |
1.1 |
{ |
227 |
|
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char *endptr; |
228 |
|
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int i; |
229 |
|
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DBG(printf("Setting pointer %p to integer string %s ..", t, v1); |
230 |
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) |
231 |
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if (t) { |
232 |
|
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i = strtol(v1, &endptr, 0); /* Automatic base 10/16/8 switching */ |
233 |
|
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if (*v1 != '\0' && *endptr == '\0') { |
234 |
|
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*(int *) t = i; |
235 |
|
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DBG(printf(" Integer converted as %d, done\n", i); |
236 |
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) |
237 |
|
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} else { |
238 |
|
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/* XXX should tell line number to user */ |
239 |
|
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fprintf(stderr, "Error: %s found where integer expected\n", |
240 |
|
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v1); |
241 |
|
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} |
242 |
|
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} else { |
243 |
|
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DBG(printf("skipped.\n"); |
244 |
|
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) |
245 |
|
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} |
246 |
|
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} |
247 |
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|
248 |
nmav |
1.2 |
static void c_set_unity(char *v1, char* v2, char* v3, char* v4, void *t) |
249 |
nmav |
1.1 |
{ |
250 |
|
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DBG(printf("Setting pointer %p to unity\n", t); |
251 |
|
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) |
252 |
|
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if (t) |
253 |
|
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*(int *) t = 1; |
254 |
|
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} |
255 |
|
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|
256 |
nmav |
1.2 |
static void c_add_type(char *v1, char* v2, char* v3, char* v4, void *t) |
257 |
nmav |
1.1 |
{ |
258 |
|
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add_mime_type(v1, v2); |
259 |
|
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} |
260 |
|
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|
261 |
nmav |
1.2 |
static void c_add_vhost(char *v1, char *v2, char* v3, char* v4, void *t) |
262 |
|
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{ |
263 |
|
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add_virthost(v1, v2, v3, v4); |
264 |
|
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} |
265 |
|
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|
266 |
|
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|
267 |
|
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static void c_add_alias(char *v1, char *v2, char* v3, char* v4, void *t) |
268 |
nmav |
1.1 |
{ |
269 |
nmav |
1.4 |
add_alias(v1, v3, v2, *(int *) t); |
270 |
nmav |
1.1 |
} |
271 |
|
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|
272 |
|
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struct ccommand *lookup_keyword(char *c) |
273 |
|
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{ |
274 |
|
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struct ccommand *p; |
275 |
|
|
DBG(printf("Checking string '%s' against keyword list\n", c); |
276 |
|
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) |
277 |
|
|
for (p = clist; |
278 |
|
|
p < clist + (sizeof (clist) / sizeof (struct ccommand)); p++) { |
279 |
|
|
if (strcmp(c, p->name) == 0) |
280 |
|
|
return p; |
281 |
|
|
} |
282 |
|
|
return NULL; |
283 |
|
|
} |
284 |
|
|
|
285 |
|
|
/* |
286 |
|
|
* Name: read_config_files |
287 |
|
|
* |
288 |
|
|
* Description: Reads config files via yyparse, then makes sure that |
289 |
|
|
* all required variables were set properly. |
290 |
|
|
*/ |
291 |
|
|
void read_config_files(void) |
292 |
|
|
{ |
293 |
|
|
char *temp; |
294 |
|
|
current_uid = getuid(); |
295 |
|
|
yyin = fopen("boa.conf", "r"); |
296 |
|
|
|
297 |
|
|
if (!yyin) { |
298 |
|
|
fputs("Could not open boa.conf for reading.\n", stderr); |
299 |
|
|
exit(1); |
300 |
|
|
} |
301 |
|
|
if (yyparse()) { |
302 |
|
|
fputs("Error parsing config files, exiting\n", stderr); |
303 |
|
|
exit(1); |
304 |
|
|
} |
305 |
|
|
|
306 |
|
|
if (!server_name) { |
307 |
|
|
struct hostent *he; |
308 |
|
|
char temp_name[100]; |
309 |
|
|
|
310 |
|
|
if (gethostname(temp_name, 100) == -1) { |
311 |
|
|
perror("gethostname:"); |
312 |
|
|
exit(1); |
313 |
|
|
} |
314 |
|
|
|
315 |
|
|
he = gethostbyname(temp_name); |
316 |
|
|
if (he == NULL) { |
317 |
|
|
perror("gethostbyname:"); |
318 |
|
|
exit(1); |
319 |
|
|
} |
320 |
|
|
|
321 |
|
|
server_name = strdup(he->h_name); |
322 |
|
|
if (server_name == NULL) { |
323 |
|
|
perror("strdup:"); |
324 |
|
|
exit(1); |
325 |
|
|
} |
326 |
|
|
} |
327 |
|
|
tempdir = getenv("TMP"); |
328 |
|
|
if (tempdir == NULL) |
329 |
|
|
tempdir = "/tmp"; |
330 |
|
|
|
331 |
|
|
if (single_post_limit < 0) { |
332 |
|
|
fprintf(stderr, "Invalid value for single_post_limit: %d\n", |
333 |
|
|
single_post_limit); |
334 |
|
|
exit(1); |
335 |
|
|
} |
336 |
|
|
|
337 |
nmav |
1.2 |
if (default_document_root) { |
338 |
|
|
temp = normalize_path(default_document_root); |
339 |
|
|
free(default_document_root); |
340 |
|
|
default_document_root = temp; |
341 |
nmav |
1.3 |
default_document_root_size = strlen( default_document_root); |
342 |
|
|
if ( default_document_root_size > MAX_PATH_LENGTH) { |
343 |
|
|
log_error_time(); |
344 |
|
|
fprintf(stderr, "DocumentRoot size is too long\n"); |
345 |
|
|
exit(1); |
346 |
|
|
} |
347 |
|
|
} else default_document_root_size = 0; |
348 |
nmav |
1.1 |
|
349 |
|
|
if (error_log_name) { |
350 |
|
|
temp = normalize_path(error_log_name); |
351 |
|
|
free(error_log_name); |
352 |
|
|
error_log_name = temp; |
353 |
|
|
} |
354 |
|
|
|
355 |
|
|
if (access_log_name) { |
356 |
|
|
temp = normalize_path(access_log_name); |
357 |
|
|
free(access_log_name); |
358 |
|
|
access_log_name = temp; |
359 |
|
|
} |
360 |
|
|
|
361 |
|
|
if (cgi_log_name) { |
362 |
|
|
temp = normalize_path(cgi_log_name); |
363 |
|
|
free(cgi_log_name); |
364 |
|
|
cgi_log_name = temp; |
365 |
|
|
} |
366 |
|
|
|
367 |
|
|
if (dirmaker) { |
368 |
|
|
temp = normalize_path(dirmaker); |
369 |
|
|
free(dirmaker); |
370 |
|
|
dirmaker = temp; |
371 |
|
|
} |
372 |
|
|
|
373 |
|
|
#if 0 |
374 |
|
|
if (mime_types) { |
375 |
|
|
temp = normalize_path(mime_types); |
376 |
|
|
free(mime_types); |
377 |
|
|
mime_types = temp; |
378 |
|
|
} |
379 |
|
|
#endif |
380 |
|
|
} |