mod_env.c

expcov report - Generated Sat Oct 15 21:39:18 2016

Index Statistics Last

Directory	./modules/metadata
Filename	mod_env.c
Modified	Wed Jul 12 12:38:44 2006

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Total

Function

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28.57%

5
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7
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Expressions

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44
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51
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5
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5
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Branches

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4
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for

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2
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2
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while

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case

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1	/* Licensed to the Apache Software Foundation (ASF) under one or more
2	* contributor license agreements. See the NOTICE file distributed with
3	* this work for additional information regarding copyright ownership.
4	* The ASF licenses this file to You under the Apache License, Version 2.0
5	* (the "License"); you may not use this file except in compliance with
6	* the License. You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16
17	#include "apr.h"
18	#include "apr_strings.h"
19
20	#if APR_HAVE_STDLIB_H
21	#include <stdlib.h>
22	#endif
23
24	#include "ap_config.h"
25	#include "httpd.h"
26	#include "http_config.h"
27	#include "http_request.h"
28	#include "http_log.h"
29
30	typedef struct {
31	apr_table_t *vars;
32	apr_table_t *unsetenv;
33	} env_dir_config_rec;
34
35	module AP_MODULE_DECLARE_DATA env_module;
36
37	static void create_env_dir_config : call=1 create_env_dir_config(apr_pool_t p, char *dummy)
38	{
39	env_dir_config_rec conf = apr_palloc : enter=1, leave=1 apr_palloc : /usr/include/apr-1/apr_pools.h line=419 column=21 apr_palloc(p : modules/metadata/mod_env.c line=37 column=48 p, sizeof(conf));
40
41	conf : modules/metadata/mod_env.c line=39 column=25 conf-> : enter=1, leave=1 ->vars : modules/metadata/mod_env.c line=31 column=18 vars = : enter=1, leave=1 = apr_table_make : enter=1, leave=1 apr_table_make : /usr/include/apr-1/apr_tables.h line=222 column=28 apr_table_make(p : modules/metadata/mod_env.c line=37 column=48 p, 10);
42	conf : modules/metadata/mod_env.c line=39 column=25 conf-> : enter=1, leave=1 ->unsetenv : modules/metadata/mod_env.c line=32 column=18 unsetenv = : enter=1, leave=1 = apr_table_make : enter=1, leave=1 apr_table_make : /usr/include/apr-1/apr_tables.h line=222 column=28 apr_table_make(p : modules/metadata/mod_env.c line=37 column=48 p, 10);
43
44	return : pass=1 return conf : modules/metadata/mod_env.c line=39 column=25 conf;
45	}
46
47	static void merge_env_dir_configs : call=0 merge_env_dir_configs(apr_pool_t p, void basev, void addv)
48	{
49	env_dir_config_rec *base = basev : modules/metadata/mod_env.c line=47 column=57 basev;
50	env_dir_config_rec *add = addv : modules/metadata/mod_env.c line=47 column=70 addv;
51	env_dir_config_rec res = apr_palloc : enter=0, leave=0 apr_palloc : /usr/include/apr-1/apr_pools.h line=419 column=21 apr_palloc(p : modules/metadata/mod_env.c line=47 column=48 p, sizeof(res));
52
53	const apr_table_entry_t *elts;
54	const apr_array_header_t *arr;
55
56	int i;
57
58	/*
59	* res->vars = copy_table( p, base->vars );
60	* foreach $unsetenv ( @add->unsetenv )
61	* table_unset( res->vars, $unsetenv );
62	* foreach $element ( @add->vars )
63	* table_set( res->vars, $element.key, $element.val );
64	*
65	* add->unsetenv already removed the vars from add->vars,
66	* if they preceeded the UnsetEnv directive.
67	*/
68	res : modules/metadata/mod_env.c line=51 column=25 res-> : enter=0, leave=0 ->vars : modules/metadata/mod_env.c line=31 column=18 vars = : enter=0, leave=0 = apr_table_copy : enter=0, leave=0 apr_table_copy : /usr/include/apr-1/apr_tables.h line=231 column=28 apr_table_copy(p : modules/metadata/mod_env.c line=47 column=48 p, base : modules/metadata/mod_env.c line=49 column=25 base-> : enter=0, leave=0 ->vars : modules/metadata/mod_env.c line=31 column=18 vars);
69	res : modules/metadata/mod_env.c line=51 column=25 res-> : enter=0, leave=0 ->unsetenv : modules/metadata/mod_env.c line=32 column=18 unsetenv = : enter=0, leave=0 = NULL;
70
71	arr : modules/metadata/mod_env.c line=54 column=31 arr = : pass=0 = apr_table_elts : enter=0, leave=0 apr_table_elts : /usr/include/apr-1/apr_tables.h line=88 column=41 apr_table_elts(add : modules/metadata/mod_env.c line=50 column=25 add-> : enter=0, leave=0 ->unsetenv : modules/metadata/mod_env.c line=32 column=18 unsetenv);
72	if : true=0, false=0 if (arr : modules/metadata/mod_env.c line=54 column=31 arr) {
73	elts : modules/metadata/mod_env.c line=53 column=30 elts = : pass=0 = (const apr_table_entry_t *)arr : modules/metadata/mod_env.c line=54 column=31 arr-> : enter=0, leave=0 ->elts : /usr/include/apr-1/apr_tables.h line=62 column=11 elts;
74
75	for : true=0, false=0 for (i : modules/metadata/mod_env.c line=56 column=9 i = : pass=0 = 0; i : modules/metadata/mod_env.c line=56 column=9 i < : true=0, false=0 < arr : modules/metadata/mod_env.c line=54 column=31 arr-> : enter=0, leave=0 ->nelts : /usr/include/apr-1/apr_tables.h line=58 column=9 nelts; ++ : pass=0 ++i : modules/metadata/mod_env.c line=56 column=9 i) {
76	apr_table_unset : enter=0, leave=0 apr_table_unset : /usr/include/apr-1/apr_tables.h line=290 column=19 apr_table_unset(res : modules/metadata/mod_env.c line=51 column=25 res-> : enter=0, leave=0 ->vars : modules/metadata/mod_env.c line=31 column=18 vars, elts : modules/metadata/mod_env.c line=53 column=30 elts[] : enter=0, leave=0 [i : modules/metadata/mod_env.c line=56 column=9 i].key : /usr/include/apr-1/apr_tables.h line=73 column=11 key);
77	}
78	}
79
80	arr : modules/metadata/mod_env.c line=54 column=31 arr = : pass=0 = apr_table_elts : enter=0, leave=0 apr_table_elts : /usr/include/apr-1/apr_tables.h line=88 column=41 apr_table_elts(add : modules/metadata/mod_env.c line=50 column=25 add-> : enter=0, leave=0 ->vars : modules/metadata/mod_env.c line=31 column=18 vars);
81	if : true=0, false=0 if (arr : modules/metadata/mod_env.c line=54 column=31 arr) {
82	elts : modules/metadata/mod_env.c line=53 column=30 elts = : pass=0 = (const apr_table_entry_t *)arr : modules/metadata/mod_env.c line=54 column=31 arr-> : enter=0, leave=0 ->elts : /usr/include/apr-1/apr_tables.h line=62 column=11 elts;
83
84	for : true=0, false=0 for (i : modules/metadata/mod_env.c line=56 column=9 i = : pass=0 = 0; i : modules/metadata/mod_env.c line=56 column=9 i < : true=0, false=0 < arr : modules/metadata/mod_env.c line=54 column=31 arr-> : enter=0, leave=0 ->nelts : /usr/include/apr-1/apr_tables.h line=58 column=9 nelts; ++ : pass=0 ++i : modules/metadata/mod_env.c line=56 column=9 i) {
85	apr_table_setn : enter=0, leave=0 apr_table_setn : /usr/include/apr-1/apr_tables.h line=282 column=19 apr_table_setn(res : modules/metadata/mod_env.c line=51 column=25 res-> : enter=0, leave=0 ->vars : modules/metadata/mod_env.c line=31 column=18 vars, elts : modules/metadata/mod_env.c line=53 column=30 elts[] : enter=0, leave=0 [i : modules/metadata/mod_env.c line=56 column=9 i].key : /usr/include/apr-1/apr_tables.h line=73 column=11 key, elts : modules/metadata/mod_env.c line=53 column=30 elts[] : enter=0, leave=0 [i : modules/metadata/mod_env.c line=56 column=9 i].val : /usr/include/apr-1/apr_tables.h line=77 column=11 val);
86	}
87	}
88
89	return : pass=0 return res : modules/metadata/mod_env.c line=51 column=25 res;
90	}
91
92	static const char add_env_module_vars_passed : call=0 add_env_module_vars_passed(cmd_parms cmd, void *sconf_,
93	const char *arg)
94	{
95	env_dir_config_rec *sconf = sconf_ : modules/metadata/mod_env.c line=92 column=69 sconf_;
96	apr_table_t *vars = sconf : modules/metadata/mod_env.c line=95 column=25 sconf-> : enter=0, leave=0 ->vars : modules/metadata/mod_env.c line=31 column=18 vars;
97	const char *env_var;
98
99	env_var : modules/metadata/mod_env.c line=97 column=17 env_var = : pass=0 = getenv : enter=0, leave=0 getenv : /usr/include/stdlib.h line=567 column=14 getenv(arg : modules/metadata/mod_env.c line=93 column=59 arg);
100	if : true=0, false=0 if (env_var : modules/metadata/mod_env.c line=97 column=17 env_var != : true=0, false=0 != NULL) {
101	apr_table_setn : enter=0, leave=0 apr_table_setn : /usr/include/apr-1/apr_tables.h line=282 column=19 apr_table_setn(vars : modules/metadata/mod_env.c line=96 column=18 vars, arg : modules/metadata/mod_env.c line=93 column=59 arg, apr_pstrdup : enter=0, leave=0 apr_pstrdup : /usr/include/apr-1/apr_strings.h line=95 column=21 apr_pstrdup(cmd : modules/metadata/mod_env.c line=92 column=58 cmd-> : enter=0, leave=0 ->pool : include/http_config.h line=291 column=17 pool, env_var : modules/metadata/mod_env.c line=97 column=17 env_var));
102	}
103	else {
104	ap_log_error : enter=0, leave=0 ap_log_error : include/http_log.h line=171 column=18 ap_log_error(APLOG_MARK, APLOG_WARNING, 0, cmd : modules/metadata/mod_env.c line=92 column=58 cmd-> : enter=0, leave=0 ->server : include/http_config.h line=296 column=17 server,
105	"PassEnv variable %s was undefined", arg : modules/metadata/mod_env.c line=93 column=59 arg);
106	}
107
108	return : pass=0 return NULL;
109	}
110
111	static const char add_env_module_vars_set : call=0 add_env_module_vars_set(cmd_parms cmd, void *sconf_,
112	const char name, const char value)
113	{
114	env_dir_config_rec *sconf = sconf_ : modules/metadata/mod_env.c line=111 column=66 sconf_;
115
116	/* name is mandatory, value is optional. no value means
117	* set the variable to an empty string
118	*/
119	apr_table_setn : enter=0, leave=0 apr_table_setn : /usr/include/apr-1/apr_tables.h line=282 column=19 apr_table_setn(sconf : modules/metadata/mod_env.c line=114 column=25 sconf-> : enter=0, leave=0 ->vars : modules/metadata/mod_env.c line=31 column=18 vars, name : modules/metadata/mod_env.c line=112 column=56 name, value : modules/metadata/mod_env.c line=112 column=74 value conditional operator : true=0, false=0 ? value : modules/metadata/mod_env.c line=112 column=74 value : "");
120
121	return : pass=0 return NULL;
122	}
123
124	static const char add_env_module_vars_unset : call=0 add_env_module_vars_unset(cmd_parms cmd, void *sconf_,
125	const char *arg)
126	{
127	env_dir_config_rec *sconf = sconf_ : modules/metadata/mod_env.c line=124 column=68 sconf_;
128
129	/* Always UnsetEnv FOO in the same context as {Set,Pass}Env FOO
130	* only if this UnsetEnv follows the {Set,Pass}Env. The merge
131	* will only apply unsetenv to the parent env (main server).
132	*/
133	apr_table_set : enter=0, leave=0 apr_table_set : /usr/include/apr-1/apr_tables.h line=269 column=19 apr_table_set(sconf : modules/metadata/mod_env.c line=127 column=25 sconf-> : enter=0, leave=0 ->unsetenv : modules/metadata/mod_env.c line=32 column=18 unsetenv, arg : modules/metadata/mod_env.c line=125 column=58 arg, NULL);
134	apr_table_unset : enter=0, leave=0 apr_table_unset : /usr/include/apr-1/apr_tables.h line=290 column=19 apr_table_unset(sconf : modules/metadata/mod_env.c line=127 column=25 sconf-> : enter=0, leave=0 ->vars : modules/metadata/mod_env.c line=31 column=18 vars, arg : modules/metadata/mod_env.c line=125 column=58 arg);
135
136	return : pass=0 return NULL;
137	}
138
139	static const command_rec env_module_cmds[] =
140	{
141	AP_INIT_ITERATE("PassEnv", add_env_module_vars_passed : modules/metadata/mod_env.c line=92 column=20 add_env_module_vars_passed, NULL,
142	OR_FILEINFO, "a list of environment variables to pass to CGI."),
143	AP_INIT_TAKE12("SetEnv", add_env_module_vars_set : modules/metadata/mod_env.c line=111 column=20 add_env_module_vars_set, NULL,
144	OR_FILEINFO, "an environment variable name and optional value to pass to CGI."),
145	AP_INIT_ITERATE("UnsetEnv", add_env_module_vars_unset : modules/metadata/mod_env.c line=124 column=20 add_env_module_vars_unset, NULL,
146	OR_FILEINFO, "a list of variables to remove from the CGI environment."),
147	{NULL},
148	};
149
150	static int fixup_env_module : call=0 fixup_env_module(request_rec *r)
151	{
152	apr_table_t *e = r : modules/metadata/mod_env.c line=150 column=42 r-> : enter=0, leave=0 ->subprocess_env : include/httpd.h line=908 column=18 subprocess_env;
153	env_dir_config_rec *sconf = ap_get_module_config(r : modules/metadata/mod_env.c line=150 column=42 r-> : enter=0, leave=0 ->per_dir_config : include/httpd.h line=977 column=30 per_dir_config,
154	&env_module : modules/metadata/mod_env.c line=35 column=31 env_module);
155	apr_table_t *vars = sconf : modules/metadata/mod_env.c line=153 column=25 sconf-> : enter=0, leave=0 ->vars : modules/metadata/mod_env.c line=31 column=18 vars;
156
157	if : true=0, false=0 if (! : true=0, false=0 !apr_table_elts : enter=0, leave=0 apr_table_elts : /usr/include/apr-1/apr_tables.h line=88 column=41 apr_table_elts(sconf : modules/metadata/mod_env.c line=153 column=25 sconf-> : enter=0, leave=0 ->vars : modules/metadata/mod_env.c line=31 column=18 vars)-> : enter=0, leave=0 ->nelts : /usr/include/apr-1/apr_tables.h line=58 column=9 nelts)
158	return : pass=0 return DECLINED;
159
160	r : modules/metadata/mod_env.c line=150 column=42 r-> : enter=0, leave=0 ->subprocess_env : include/httpd.h line=908 column=18 subprocess_env = : enter=0, leave=0 = apr_table_overlay : enter=0, leave=0 apr_table_overlay : /usr/include/apr-1/apr_tables.h line=346 column=28 apr_table_overlay(r : modules/metadata/mod_env.c line=150 column=42 r-> : enter=0, leave=0 ->pool : include/httpd.h line=780 column=17 pool, e : modules/metadata/mod_env.c line=152 column=18 e, vars : modules/metadata/mod_env.c line=155 column=18 vars);
161
162	return : pass=0 return OK;
163	}
164
165	static void register_hooks : call=1 register_hooks(apr_pool_t *p)
166	{
167	ap_hook_fixups : enter=1, leave=1 ap_hook_fixups : modules/metadata/ line=171 column=1 ap_hook_fixups(fixup_env_module : modules/metadata/mod_env.c line=150 column=12 fixup_env_module, NULL, NULL, APR_HOOK_MIDDLE);
168	}
169
170	module AP_MODULE_DECLARE_DATA env_module =
171	{
172	STANDARD20_MODULE_STUFF,
173	create_env_dir_config : modules/metadata/mod_env.c line=37 column=14 create_env_dir_config, /* dir config creater */
174	merge_env_dir_configs : modules/metadata/mod_env.c line=47 column=14 merge_env_dir_configs, /* dir merger --- default is to override */
175	NULL, /* server config */
176	NULL, /* merge server configs */
177	env_module_cmds : modules/metadata/mod_env.c line=139 column=26 env_module_cmds, /* command apr_table_t */
178	register_hooks : modules/metadata/mod_env.c line=165 column=13 register_hooks /* register hooks */
179	};
180	[EOF]

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