1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Sascha Schumann <sascha@schumann.cx> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
20
21 #define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
22
23 #include "php.h"
24 #include "php_ini.h"
25 #include "php_apache.h"
26
27 #include "apr_strings.h"
28 #include "ap_config.h"
29 #include "util_filter.h"
30 #include "httpd.h"
31 #include "http_config.h"
32 #include "http_request.h"
33 #include "http_core.h"
34 #include "http_protocol.h"
35 #include "http_log.h"
36 #include "http_main.h"
37 #include "util_script.h"
38 #include "http_core.h"
39
40 #ifdef PHP_AP_DEBUG
41 #define phpapdebug(a) fprintf a
42 #else
43 #define phpapdebug(a)
44 #endif
45
46 typedef struct {
47 HashTable config;
48 } php_conf_rec;
49
50 typedef struct {
51 char *value;
52 size_t value_len;
53 char status;
54 char htaccess;
55 } php_dir_entry;
56
real_value_hnd(cmd_parms * cmd,void * dummy,const char * name,const char * value,int status)57 static const char *real_value_hnd(cmd_parms *cmd, void *dummy, const char *name, const char *value, int status)
58 {
59 php_conf_rec *d = dummy;
60 php_dir_entry e;
61
62 phpapdebug((stderr, "Getting %s=%s for %p (%d)\n", name, value, dummy, zend_hash_num_elements(&d->config)));
63
64 if (!strncasecmp(value, "none", sizeof("none"))) {
65 value = "";
66 }
67
68 e.value = apr_pstrdup(cmd->pool, value);
69 e.value_len = strlen(value);
70 e.status = status;
71 e.htaccess = ((cmd->override & (RSRC_CONF|ACCESS_CONF)) == 0);
72
73 zend_hash_update(&d->config, (char *) name, strlen(name) + 1, &e, sizeof(e), NULL);
74 return NULL;
75 }
76
php_apache_value_handler(cmd_parms * cmd,void * dummy,const char * name,const char * value)77 static const char *php_apache_value_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
78 {
79 return real_value_hnd(cmd, dummy, name, value, PHP_INI_PERDIR);
80 }
81
php_apache_admin_value_handler(cmd_parms * cmd,void * dummy,const char * name,const char * value)82 static const char *php_apache_admin_value_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
83 {
84 return real_value_hnd(cmd, dummy, name, value, PHP_INI_SYSTEM);
85 }
86
real_flag_hnd(cmd_parms * cmd,void * dummy,const char * arg1,const char * arg2,int status)87 static const char *real_flag_hnd(cmd_parms *cmd, void *dummy, const char *arg1, const char *arg2, int status)
88 {
89 char bool_val[2];
90
91 if (!strcasecmp(arg2, "On") || (arg2[0] == '1' && arg2[1] == '\0')) {
92 bool_val[0] = '1';
93 } else {
94 bool_val[0] = '0';
95 }
96 bool_val[1] = 0;
97
98 return real_value_hnd(cmd, dummy, arg1, bool_val, status);
99 }
100
php_apache_flag_handler(cmd_parms * cmd,void * dummy,const char * name,const char * value)101 static const char *php_apache_flag_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
102 {
103 return real_flag_hnd(cmd, dummy, name, value, PHP_INI_PERDIR);
104 }
105
php_apache_admin_flag_handler(cmd_parms * cmd,void * dummy,const char * name,const char * value)106 static const char *php_apache_admin_flag_handler(cmd_parms *cmd, void *dummy, const char *name, const char *value)
107 {
108 return real_flag_hnd(cmd, dummy, name, value, PHP_INI_SYSTEM);
109 }
110
php_apache_phpini_set(cmd_parms * cmd,void * mconfig,const char * arg)111 static const char *php_apache_phpini_set(cmd_parms *cmd, void *mconfig, const char *arg)
112 {
113 if (apache2_php_ini_path_override) {
114 return "Only first PHPINIDir directive honored per configuration tree - subsequent ones ignored";
115 }
116 apache2_php_ini_path_override = ap_server_root_relative(cmd->pool, arg);
117 return NULL;
118 }
119
120
merge_php_config(apr_pool_t * p,void * base_conf,void * new_conf)121 void *merge_php_config(apr_pool_t *p, void *base_conf, void *new_conf)
122 {
123 php_conf_rec *d = base_conf, *e = new_conf, *n = NULL;
124 php_dir_entry *pe;
125 php_dir_entry *data;
126 char *str;
127 uint str_len;
128 ulong num_index;
129
130 n = create_php_config(p, "merge_php_config");
131 zend_hash_copy(&n->config, &e->config, NULL, NULL, sizeof(php_dir_entry));
132
133 phpapdebug((stderr, "Merge dir (%p)+(%p)=(%p)\n", base_conf, new_conf, n));
134 for (zend_hash_internal_pointer_reset(&d->config);
135 zend_hash_get_current_key_ex(&d->config, &str, &str_len,
136 &num_index, 0, NULL) == HASH_KEY_IS_STRING;
137 zend_hash_move_forward(&d->config)) {
138 pe = NULL;
139 zend_hash_get_current_data(&d->config, (void **) &data);
140 if (zend_hash_find(&n->config, str, str_len, (void **) &pe) == SUCCESS) {
141 if (pe->status >= data->status) continue;
142 }
143 zend_hash_update(&n->config, str, str_len, data, sizeof(*data), NULL);
144 phpapdebug((stderr, "ADDING/OVERWRITING %s (%d vs. %d)\n", str, data->status, pe?pe->status:-1));
145 }
146
147 return n;
148 }
149
get_php_config(void * conf,char * name,size_t name_len)150 char *get_php_config(void *conf, char *name, size_t name_len)
151 {
152 php_conf_rec *d = conf;
153 php_dir_entry *pe;
154
155 if (zend_hash_find(&d->config, name, name_len, (void **) &pe) == SUCCESS) {
156 return pe->value;
157 }
158
159 return "";
160 }
161
apply_config(void * dummy)162 void apply_config(void *dummy)
163 {
164 php_conf_rec *d = dummy;
165 char *str;
166 uint str_len;
167 php_dir_entry *data;
168
169 for (zend_hash_internal_pointer_reset(&d->config);
170 zend_hash_get_current_key_ex(&d->config, &str, &str_len, NULL, 0,
171 NULL) == HASH_KEY_IS_STRING;
172 zend_hash_move_forward(&d->config)) {
173 zend_hash_get_current_data(&d->config, (void **) &data);
174 phpapdebug((stderr, "APPLYING (%s)(%s)\n", str, data->value));
175 if (zend_alter_ini_entry(str, str_len, data->value, data->value_len, data->status, data->htaccess?PHP_INI_STAGE_HTACCESS:PHP_INI_STAGE_ACTIVATE) == FAILURE) {
176 phpapdebug((stderr, "..FAILED\n"));
177 }
178 }
179 }
180
181 const command_rec php_dir_cmds[] =
182 {
183 AP_INIT_TAKE2("php_value", php_apache_value_handler, NULL, OR_OPTIONS, "PHP Value Modifier"),
184 AP_INIT_TAKE2("php_flag", php_apache_flag_handler, NULL, OR_OPTIONS, "PHP Flag Modifier"),
185 AP_INIT_TAKE2("php_admin_value", php_apache_admin_value_handler, NULL, ACCESS_CONF|RSRC_CONF, "PHP Value Modifier (Admin)"),
186 AP_INIT_TAKE2("php_admin_flag", php_apache_admin_flag_handler, NULL, ACCESS_CONF|RSRC_CONF, "PHP Flag Modifier (Admin)"),
187 AP_INIT_TAKE1("PHPINIDir", php_apache_phpini_set, NULL, RSRC_CONF, "Directory containing the php.ini file"),
188 {NULL}
189 };
190
destroy_php_config(void * data)191 static apr_status_t destroy_php_config(void *data)
192 {
193 php_conf_rec *d = data;
194
195 phpapdebug((stderr, "Destroying config %p\n", data));
196 zend_hash_destroy(&d->config);
197
198 return APR_SUCCESS;
199 }
200
create_php_config(apr_pool_t * p,char * dummy)201 void *create_php_config(apr_pool_t *p, char *dummy)
202 {
203 php_conf_rec *newx = (php_conf_rec *) apr_pcalloc(p, sizeof(*newx));
204
205 phpapdebug((stderr, "Creating new config (%p) for %s\n", newx, dummy));
206 zend_hash_init(&newx->config, 0, NULL, NULL, 1);
207 apr_pool_cleanup_register(p, newx, destroy_php_config, apr_pool_cleanup_null);
208 return (void *) newx;
209 }
210
211 /*
212 * Local variables:
213 * tab-width: 4
214 * c-basic-offset: 4
215 * End:
216 * vim600: sw=4 ts=4 fdm=marker
217 * vim<600: sw=4 ts=4
218 */
219
