1 |
nmav |
1.1 |
/* |
2 |
nmav |
1.10 |
* Hydra, an http server |
3 |
nmav |
1.1 |
* 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 |
1.21 |
/* $Id: config.c,v 1.20 2003/01/22 07:51:50 nmav Exp $*/ |
22 |
nmav |
1.1 |
|
23 |
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#include "boa.h" |
24 |
nmav |
1.8 |
#include "boa_grammar.h" |
25 |
nmav |
1.18 |
#include "access.h" |
26 |
nmav |
1.1 |
#include "parse.h" |
27 |
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28 |
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int yyparse(void); /* Better match the output of lex */ |
29 |
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30 |
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#ifdef DEBUG |
31 |
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#define DBG(x) x |
32 |
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#else |
33 |
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#define DBG(x) |
34 |
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#endif |
35 |
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36 |
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int server_port; |
37 |
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uid_t server_uid; |
38 |
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gid_t server_gid; |
39 |
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char *server_root; |
40 |
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char *server_name; |
41 |
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char *server_admin; |
42 |
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char *server_ip; |
43 |
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long int max_connections; |
44 |
nmav |
1.20 |
long int max_ssl_connections; |
45 |
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|
46 |
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char * default_charset = NULL; |
47 |
nmav |
1.1 |
|
48 |
nmav |
1.6 |
int max_files_cache = 256; |
49 |
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int max_file_size_cache = 100 * 1024; |
50 |
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|
51 |
nmav |
1.12 |
int max_server_threads = 1; |
52 |
nmav |
1.1 |
|
53 |
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char *server_cert; |
54 |
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char *server_key; |
55 |
nmav |
1.14 |
char *ca_cert = NULL; |
56 |
nmav |
1.1 |
int ssl_session_cache; |
57 |
nmav |
1.14 |
int ssl_verify = 0; |
58 |
nmav |
1.1 |
int boa_ssl = 0; |
59 |
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int ssl_port = 443; |
60 |
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int ssl_dh_bits = 1024; /* default value */ |
61 |
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int ssl_session_timeout = 3600; |
62 |
nmav |
1.17 |
int maintenance_interval = 432000; /* every 5 days */ |
63 |
nmav |
1.1 |
|
64 |
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char *ssl_ciphers = NULL; |
65 |
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char *ssl_mac = NULL; |
66 |
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char *ssl_kx = NULL; |
67 |
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char *ssl_comp = NULL; |
68 |
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char *ssl_protocol = NULL; |
69 |
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70 |
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char *default_type; |
71 |
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char *dirmaker; |
72 |
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char *cachedir; |
73 |
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74 |
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char *tempdir; |
75 |
nmav |
1.11 |
int tempdir_len = 0; |
76 |
nmav |
1.1 |
|
77 |
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char *cgi_path = NULL; |
78 |
nmav |
1.15 |
int cgi_umask = 027; |
79 |
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char *pid_file; |
80 |
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81 |
nmav |
1.1 |
int single_post_limit = SINGLE_POST_LIMIT_DEFAULT; |
82 |
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83 |
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int ka_timeout; |
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int ka_max; |
85 |
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86 |
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/* These came from log.c */ |
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char *error_log_name; |
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char *access_log_name; |
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char *cgi_log_name; |
90 |
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91 |
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int use_localtime; |
92 |
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93 |
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/* These are new */ |
94 |
nmav |
1.2 |
static void c_set_user(char *v1, char* v2, char* v3, char* v4, void *t); |
95 |
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static void c_set_group(char *v1, char* v2, char* v3, char* v4, void *t); |
96 |
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static void c_set_string(char *v1, char* v2, char* v3, char* v4, void *t); |
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static void c_set_int(char *v1, char* v2, char* v3, char* v4, void *t); |
98 |
nmav |
1.13 |
static void c_set_longint(char *v1, char* v2, char* v3, char* v4, void *t); |
99 |
nmav |
1.2 |
static void c_set_unity(char *v1, char* v2, char* v3, char* v4, void *t); |
100 |
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static void c_add_type(char *v1, char* v2, char* v3, char* v4, void *t); |
101 |
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static void c_add_vhost(char *v1, char* v2, char* v3, char*v4, void *t); |
102 |
nmav |
1.16 |
static void c_set_documentroot(char *v1, char* v2, char* v3, char*v4, void *t); |
103 |
nmav |
1.2 |
static void c_add_alias(char *v1, char* v2, char* v3, char* v4, void *t); |
104 |
nmav |
1.7 |
static void c_add_dirindex(char *v1, char* v2, char* v3, char* v4, void *t); |
105 |
nmav |
1.21 |
static void c_add_cgi_action(char *v1, char* v2, char* v3, char* v4, void *t); |
106 |
nmav |
1.18 |
#ifdef ENABLE_ACCESS_LISTS |
107 |
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static void c_add_access(char *v1, char *v2, char* v3, char* v4, void *t); |
108 |
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#endif |
109 |
nmav |
1.1 |
|
110 |
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/* Fakery to keep the value passed to action() a void *, |
111 |
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see usage in table and c_add_alias() below */ |
112 |
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static int script_number = SCRIPTALIAS; |
113 |
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static int redirect_number = REDIRECT; |
114 |
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static int alias_number = ALIAS; |
115 |
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static uid_t current_uid=0; |
116 |
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117 |
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/* Help keep the table below compact */ |
118 |
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#define S0A STMT_NO_ARGS |
119 |
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#define S1A STMT_ONE_ARG |
120 |
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#define S2A STMT_TWO_ARGS |
121 |
nmav |
1.4 |
#define S3A STMT_THREE_ARGS |
122 |
nmav |
1.2 |
#define S4A STMT_FOUR_ARGS |
123 |
nmav |
1.1 |
|
124 |
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struct ccommand clist[] = { |
125 |
nmav |
1.14 |
{"SSLVerifyClient", S1A, c_set_int, &ssl_verify}, |
126 |
nmav |
1.1 |
{"SSLCiphers", S1A, c_set_string, &ssl_ciphers}, |
127 |
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{"SSLKeyExchangeAlgorithms", S1A, c_set_string, &ssl_kx}, |
128 |
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{"SSLMACAlgorithms", S1A, c_set_string, &ssl_mac}, |
129 |
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{"SSLProtocols", S1A, c_set_string, &ssl_protocol}, |
130 |
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{"SSLCompressionMethods", S1A, c_set_string, &ssl_comp}, |
131 |
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{"SSLCertificate", S1A, c_set_string, &server_cert}, |
132 |
nmav |
1.14 |
{"SSLCAList", S1A, c_set_string, &ca_cert}, |
133 |
nmav |
1.1 |
{"SSLKey", S1A, c_set_string, &server_key}, |
134 |
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{"SSLSessionCache", S1A, c_set_int, &ssl_session_cache}, |
135 |
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{"SSL", S1A, c_set_int, &boa_ssl}, |
136 |
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{"SSLPort", S1A, c_set_int, &ssl_port}, |
137 |
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{"SSLDHBits", S1A, c_set_int, &ssl_dh_bits}, |
138 |
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{"SSLSessionTimeout", S1A, c_set_int, &ssl_session_timeout}, |
139 |
nmav |
1.17 |
{"MaintenanceInterval", S1A, c_set_int, &maintenance_interval}, |
140 |
nmav |
1.12 |
{"Threads", S1A, c_set_int, &max_server_threads}, |
141 |
nmav |
1.1 |
{"Port", S1A, c_set_int, &server_port}, |
142 |
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{"Listen", S1A, c_set_string, &server_ip}, |
143 |
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{"BackLog", S1A, c_set_int, &backlog}, |
144 |
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{"User", S1A, c_set_user, NULL}, |
145 |
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{"Group", S1A, c_set_group, NULL}, |
146 |
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{"ServerAdmin", S1A, c_set_string, &server_admin}, |
147 |
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{"ServerRoot", S1A, c_set_string, &server_root}, |
148 |
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{"ErrorLog", S1A, c_set_string, &error_log_name}, |
149 |
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{"AccessLog", S1A, c_set_string, &access_log_name}, |
150 |
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{"UseLocaltime", S0A, c_set_unity, &use_localtime}, |
151 |
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{"CgiLog", S1A, c_set_string, &cgi_log_name}, |
152 |
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{"VerboseCGILogs", S0A, c_set_unity, &verbose_cgi_logs}, |
153 |
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{"ServerName", S1A, c_set_string, &server_name}, |
154 |
nmav |
1.16 |
{"DocumentRoot", S1A, c_set_documentroot, NULL}, |
155 |
nmav |
1.7 |
{"DirectoryIndex", S1A, c_add_dirindex, NULL}, |
156 |
nmav |
1.1 |
{"DirectoryMaker", S1A, c_set_string, &dirmaker}, |
157 |
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{"DirectoryCache", S1A, c_set_string, &cachedir}, |
158 |
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{"KeepAliveMax", S1A, c_set_int, &ka_max}, |
159 |
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{"KeepAliveTimeout", S1A, c_set_int, &ka_timeout}, |
160 |
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{"MimeTypes", S1A, c_set_string, &mime_types}, |
161 |
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{"DefaultType", S1A, c_set_string, &default_type}, |
162 |
nmav |
1.20 |
{"DefaultCharset", S1A, c_set_string, &default_charset}, |
163 |
nmav |
1.1 |
{"AddType", S2A, c_add_type, NULL}, |
164 |
nmav |
1.21 |
{"CGIAction", S2A, c_add_cgi_action, NULL}, |
165 |
nmav |
1.4 |
{"ScriptAlias", S3A, c_add_alias, &script_number}, |
166 |
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{"Redirect", S3A, c_add_alias, &redirect_number}, |
167 |
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{"Alias", S3A, c_add_alias, &alias_number}, |
168 |
nmav |
1.15 |
{"PidFile", S1A, c_set_string, &pid_file}, |
169 |
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{"CGIumask", S1A, c_set_int, &cgi_umask}, |
170 |
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{"CGILog", S1A, c_set_string, &cgi_log_name}, |
171 |
nmav |
1.2 |
/* HOST - IP - DOCUMENT_ROOT - USER_DIR */ |
172 |
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{"VirtualHost", S4A, c_add_vhost, NULL}, |
173 |
nmav |
1.1 |
{"SinglePostLimit", S1A, c_set_int, &single_post_limit}, |
174 |
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{"CGIPath", S1A, c_set_string, &cgi_path}, |
175 |
nmav |
1.20 |
{"MaxSSLConnections", S1A, c_set_longint, &max_ssl_connections}, |
176 |
nmav |
1.13 |
{"MaxConnections", S1A, c_set_longint, &max_connections}, |
177 |
nmav |
1.6 |
{"MaxFilesCache", S1A, c_set_int, &max_files_cache}, |
178 |
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{"MaxFileSizeCache", S1A, c_set_int, &max_file_size_cache}, |
179 |
nmav |
1.18 |
#ifdef ENABLE_ACCESS_LISTS |
180 |
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{"Allow", S2A, c_add_access, (void*)ACCESS_ALLOW}, |
181 |
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{"Deny", S2A, c_add_access, (void*)ACCESS_DENY}, |
182 |
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#endif |
183 |
nmav |
1.1 |
}; |
184 |
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|
185 |
nmav |
1.2 |
static void c_set_user(char *v1, char* v2, char* v3, char* v4, void *t) |
186 |
nmav |
1.1 |
{ |
187 |
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struct passwd *passwdbuf; |
188 |
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char *endptr; |
189 |
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int i; |
190 |
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|
191 |
|
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DBG(printf("User %s = ", v1); |
192 |
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) |
193 |
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i = strtol(v1, &endptr, 0); |
194 |
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if (*v1 != '\0' && *endptr == '\0') { |
195 |
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server_uid = i; |
196 |
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} else { |
197 |
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passwdbuf = getpwnam(v1); |
198 |
|
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if (!passwdbuf) { |
199 |
|
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if (current_uid) |
200 |
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return; |
201 |
|
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fprintf(stderr, "No such user: %s\n", v1); |
202 |
|
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exit(1); |
203 |
|
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} |
204 |
|
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server_uid = passwdbuf->pw_uid; |
205 |
|
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} |
206 |
|
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DBG(printf("%d\n", server_uid); |
207 |
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) |
208 |
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} |
209 |
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|
210 |
nmav |
1.2 |
static void c_set_group(char *v1, char* v2, char* v3, char* v4, void *t) |
211 |
nmav |
1.1 |
{ |
212 |
|
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struct group *groupbuf; |
213 |
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char *endptr; |
214 |
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int i; |
215 |
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DBG(printf("Group %s = ", v1); |
216 |
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) |
217 |
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i = strtol(v1, &endptr, 0); |
218 |
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if (*v1 != '\0' && *endptr == '\0') { |
219 |
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server_gid = i; |
220 |
|
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} else { |
221 |
|
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groupbuf = getgrnam(v1); |
222 |
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if (!groupbuf) { |
223 |
|
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if (current_uid) |
224 |
|
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return; |
225 |
|
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fprintf(stderr, "No such group: %s\n", v1); |
226 |
|
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exit(1); |
227 |
|
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} |
228 |
|
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server_gid = groupbuf->gr_gid; |
229 |
|
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} |
230 |
|
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DBG(printf("%d\n", server_gid); |
231 |
|
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) |
232 |
|
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} |
233 |
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|
234 |
nmav |
1.2 |
static void c_set_string(char *v1, char* v2, char* v3, char* v4, void *t) |
235 |
nmav |
1.1 |
{ |
236 |
|
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char *s; |
237 |
|
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DBG(printf("Setting pointer %p to string %s ..", t, v1); |
238 |
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) |
239 |
|
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if (t) { |
240 |
|
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s = *(char **) t; |
241 |
|
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if (s) |
242 |
|
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free(s); |
243 |
|
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*(char **) t = strdup(v1); |
244 |
|
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if (!*(char **) t) { |
245 |
|
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DIE("Unable to strdup in c_set_string"); |
246 |
|
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} |
247 |
|
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DBG(printf("done.\n"); |
248 |
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) |
249 |
|
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} else { |
250 |
|
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DBG(printf("skipped.\n"); |
251 |
|
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) |
252 |
|
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} |
253 |
|
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} |
254 |
|
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|
255 |
nmav |
1.16 |
static void c_set_documentroot(char *v1, char* v2, char* v3, char* v4, void *t) |
256 |
|
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{ |
257 |
|
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/* Add the "", which is the default virtual host */ |
258 |
|
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add_virthost("", "*", v1, ""); |
259 |
|
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} |
260 |
|
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|
261 |
nmav |
1.2 |
static void c_set_int(char *v1, char* v2, char* v3, char* v4, void *t) |
262 |
nmav |
1.1 |
{ |
263 |
|
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char *endptr; |
264 |
|
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int i; |
265 |
|
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DBG(printf("Setting pointer %p to integer string %s ..", t, v1); |
266 |
|
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) |
267 |
|
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if (t) { |
268 |
|
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i = strtol(v1, &endptr, 0); /* Automatic base 10/16/8 switching */ |
269 |
|
|
if (*v1 != '\0' && *endptr == '\0') { |
270 |
|
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*(int *) t = i; |
271 |
nmav |
1.13 |
DBG(printf(" Integer converted as %d, done\n", i); |
272 |
|
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) |
273 |
|
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} else { |
274 |
|
|
/* XXX should tell line number to user */ |
275 |
|
|
fprintf(stderr, "Error: %s found where integer expected\n", |
276 |
|
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v1); |
277 |
|
|
} |
278 |
|
|
} else { |
279 |
|
|
DBG(printf("skipped.\n"); |
280 |
|
|
) |
281 |
|
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} |
282 |
|
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} |
283 |
|
|
|
284 |
|
|
static void c_set_longint(char *v1, char* v2, char* v3, char* v4, void *t) |
285 |
|
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{ |
286 |
|
|
char *endptr; |
287 |
|
|
int i; |
288 |
|
|
DBG(printf("Setting pointer %p to long integer string %s ..", t, v1); |
289 |
|
|
) |
290 |
|
|
if (t) { |
291 |
|
|
i = strtol(v1, &endptr, 0); /* Automatic base 10/16/8 switching */ |
292 |
|
|
if (*v1 != '\0' && *endptr == '\0') { |
293 |
|
|
*(long int *) t = i; |
294 |
nmav |
1.1 |
DBG(printf(" Integer converted as %d, done\n", i); |
295 |
|
|
) |
296 |
|
|
} else { |
297 |
|
|
/* XXX should tell line number to user */ |
298 |
|
|
fprintf(stderr, "Error: %s found where integer expected\n", |
299 |
|
|
v1); |
300 |
|
|
} |
301 |
|
|
} else { |
302 |
|
|
DBG(printf("skipped.\n"); |
303 |
|
|
) |
304 |
|
|
} |
305 |
|
|
} |
306 |
|
|
|
307 |
nmav |
1.2 |
static void c_set_unity(char *v1, char* v2, char* v3, char* v4, void *t) |
308 |
nmav |
1.1 |
{ |
309 |
|
|
DBG(printf("Setting pointer %p to unity\n", t); |
310 |
|
|
) |
311 |
|
|
if (t) |
312 |
|
|
*(int *) t = 1; |
313 |
|
|
} |
314 |
|
|
|
315 |
nmav |
1.2 |
static void c_add_type(char *v1, char* v2, char* v3, char* v4, void *t) |
316 |
nmav |
1.1 |
{ |
317 |
nmav |
1.18 |
add_mime_type(v2, v1); |
318 |
nmav |
1.9 |
} |
319 |
|
|
|
320 |
nmav |
1.21 |
static void c_add_cgi_action(char *v1, char* v2, char* v3, char* v4, void *t) |
321 |
nmav |
1.9 |
{ |
322 |
nmav |
1.21 |
add_cgi_action(v1, v2); |
323 |
nmav |
1.7 |
} |
324 |
|
|
|
325 |
|
|
static void c_add_dirindex(char *v1, char* v2, char* v3, char* v4, void *t) |
326 |
|
|
{ |
327 |
|
|
add_directory_index(v1); |
328 |
nmav |
1.1 |
} |
329 |
|
|
|
330 |
nmav |
1.2 |
static void c_add_vhost(char *v1, char *v2, char* v3, char* v4, void *t) |
331 |
|
|
{ |
332 |
|
|
add_virthost(v1, v2, v3, v4); |
333 |
|
|
} |
334 |
|
|
|
335 |
|
|
|
336 |
|
|
static void c_add_alias(char *v1, char *v2, char* v3, char* v4, void *t) |
337 |
nmav |
1.1 |
{ |
338 |
nmav |
1.16 |
add_alias(v1, v2, v3, *(int *) t); |
339 |
nmav |
1.1 |
} |
340 |
|
|
|
341 |
|
|
struct ccommand *lookup_keyword(char *c) |
342 |
|
|
{ |
343 |
|
|
struct ccommand *p; |
344 |
|
|
DBG(printf("Checking string '%s' against keyword list\n", c); |
345 |
|
|
) |
346 |
|
|
for (p = clist; |
347 |
|
|
p < clist + (sizeof (clist) / sizeof (struct ccommand)); p++) { |
348 |
|
|
if (strcmp(c, p->name) == 0) |
349 |
|
|
return p; |
350 |
|
|
} |
351 |
|
|
return NULL; |
352 |
|
|
} |
353 |
|
|
|
354 |
|
|
/* |
355 |
|
|
* Name: read_config_files |
356 |
|
|
* |
357 |
|
|
* Description: Reads config files via yyparse, then makes sure that |
358 |
|
|
* all required variables were set properly. |
359 |
|
|
*/ |
360 |
|
|
void read_config_files(void) |
361 |
|
|
{ |
362 |
|
|
current_uid = getuid(); |
363 |
nmav |
1.5 |
yyin = fopen("hydra.conf", "r"); |
364 |
nmav |
1.1 |
|
365 |
|
|
if (!yyin) { |
366 |
nmav |
1.5 |
fputs("Could not open hydra.conf for reading.\n", stderr); |
367 |
nmav |
1.1 |
exit(1); |
368 |
|
|
} |
369 |
|
|
if (yyparse()) { |
370 |
|
|
fputs("Error parsing config files, exiting\n", stderr); |
371 |
|
|
exit(1); |
372 |
|
|
} |
373 |
|
|
|
374 |
|
|
if (!server_name) { |
375 |
|
|
struct hostent *he; |
376 |
|
|
char temp_name[100]; |
377 |
|
|
|
378 |
|
|
if (gethostname(temp_name, 100) == -1) { |
379 |
|
|
perror("gethostname:"); |
380 |
|
|
exit(1); |
381 |
|
|
} |
382 |
|
|
|
383 |
|
|
he = gethostbyname(temp_name); |
384 |
|
|
if (he == NULL) { |
385 |
|
|
perror("gethostbyname:"); |
386 |
|
|
exit(1); |
387 |
|
|
} |
388 |
|
|
|
389 |
|
|
server_name = strdup(he->h_name); |
390 |
|
|
if (server_name == NULL) { |
391 |
|
|
perror("strdup:"); |
392 |
|
|
exit(1); |
393 |
|
|
} |
394 |
|
|
} |
395 |
nmav |
1.19 |
tempdir = getenv("TMPDIR"); |
396 |
nmav |
1.1 |
if (tempdir == NULL) |
397 |
|
|
tempdir = "/tmp"; |
398 |
nmav |
1.11 |
tempdir_len = strlen( tempdir); |
399 |
nmav |
1.1 |
|
400 |
|
|
if (single_post_limit < 0) { |
401 |
|
|
fprintf(stderr, "Invalid value for single_post_limit: %d\n", |
402 |
|
|
single_post_limit); |
403 |
|
|
exit(1); |
404 |
|
|
} |
405 |
|
|
|
406 |
|
|
} |
407 |
nmav |
1.18 |
|
408 |
|
|
#ifdef ENABLE_ACCESS_LISTS |
409 |
|
|
static void c_add_access(char *v1, char *v2, char* v3, char* v4, void *t) |
410 |
|
|
{ |
411 |
|
|
access_add(v1, v2, (int)t); |
412 |
|
|
} |
413 |
|
|
#endif |