This file is indexed.

/usr/include/asterisk/extconf.h is in asterisk-dev 1:13.14.1~dfsg-2+deb9u4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 2007, Digium, Inc.
 *
 * Steve Murphy <murf@digium.com>
 *
 * See http://www.asterisk.org for more information about
 * the Asterisk project. Please do not directly contact
 * any of the maintainers of this project for assistance;
 * the project provides a web site, mailing lists and IRC
 * channels for your use.
 *
 * This program is free software, distributed under the terms of
 * the GNU General Public License Version 2. See the LICENSE file
 * at the top of the source tree.
 */
/*! \file
 * \brief External configuration handlers (realtime and static configuration)
 * \author Steve Murphy <murf@digium.com>
 *
 */

#ifndef _ASTERISK_EXTCONF_H
#define _ASTERISK_EXTCONF_H

#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif

#ifdef NOTYET
/* I'm going to define all the structs mentioned below, to avoid
   possible conflicts in declarations that might be introduced,
   if we just include the files that define them-- this may be
   unnecessary */

struct ast_comment {
	struct ast_comment *next;
	char cmt[0];
};

struct ast_variable {
	char *name;
	char *value;
	int lineno;
	int object;		/*!< 0 for variable, 1 for object */
	int blanklines; 	/*!< Number of blanklines following entry */
	struct ast_comment *precomments;
	struct ast_comment *sameline;
	struct ast_variable *next;
	char stuff[0];
};

struct ast_category {
	char name[80];
	int ignored;			/*!< do not let user of the config see this category */
	int include_level;
	struct ast_comment *precomments;
	struct ast_comment *sameline;
	struct ast_variable *root;
	struct ast_variable *last;
	struct ast_category *next;
};

struct ast_config {
	struct ast_category *root;
	struct ast_category *last;
	struct ast_category *current;
	struct ast_category *last_browse;		/*!< used to cache the last category supplied via category_browse */
	int include_level;
	int max_include_level;
};

/* ================== above: the config world; below, the dialplan world */

/*! \brief A registered application */
struct ast_app {
	int (*execute)(struct ast_channel *chan, void *data);
	AST_DECLARE_STRING_FIELDS(
		AST_STRING_FIELD(synopsis);     /*!< Synopsis text for 'show applications' */
		AST_STRING_FIELD(description);  /*!< Description (help text) for 'show application &lt;name&gt;' */
		AST_STRING_FIELD(syntax);       /*!< Syntax text for 'core show applications' */
		AST_STRING_FIELD(arguments);    /*!< Arguments description */
		AST_STRING_FIELD(seealso);      /*!< See also */
	);
	enum ast_xmldoc_src docsrc;		/*!< Where the documentation come from. */
	AST_RWLIST_ENTRY(ast_app) list;		/*!< Next app in list */
	void *module;			/*!< Module this app belongs to */
	char name[0];				/*!< Name of the application */
};
/*!
   \brief An extension
	The dialplan is saved as a linked list with each context
	having it's own linked list of extensions - one item per
	priority.
*/
struct ast_exten {
	char *exten;			/*!< Extension name */
	int matchcid;			/*!< Match caller id ? */
	const char *cidmatch;		/*!< Caller id to match for this extension */
	int priority;			/*!< Priority */
	const char *label;		/*!< Label */
	struct ast_context *parent;	/*!< The context this extension belongs to  */
	const char *app; 		/*!< Application to execute */
	struct ast_app *cached_app;     /*!< Cached location of application */
	void *data;			/*!< Data to use (arguments) */
	void (*datad)(void *);		/*!< Data destructor */
	struct ast_exten *peer;		/*!< Next higher priority with our extension */
	const char *registrar;		/*!< Registrar */
	struct ast_exten *next;		/*!< Extension with a greater ID */
	char stuff[0];
};
/* from pbx.h */
typedef int (*ast_state_cb_type)(const char *context, const char *exten, enum ast_extension_states state, void *data);
struct ast_timing {
	int hastime;				/*!< If time construct exists */
	unsigned int monthmask;			/*!< Mask for month */
	unsigned int daymask;			/*!< Mask for date */
	unsigned int dowmask;			/*!< Mask for day of week (mon-sun) */
	unsigned int minmask[24];		/*!< Mask for minute */
};
/*! \brief include= support in extensions.conf */
struct ast_include {
	const char *name;
	const char *rname;			/*!< Context to include */
	const char *registrar;			/*!< Registrar */
	int hastime;				/*!< If time construct exists */
	struct ast_timing timing;               /*!< time construct */
	struct ast_include *next;		/*!< Link them together */
	char stuff[0];
};

/*! \brief Switch statement in extensions.conf */
struct ast_sw {
	char *name;
	const char *registrar;			/*!< Registrar */
	char *data;				/*!< Data load */
	int eval;
	AST_LIST_ENTRY(ast_sw) list;
	char *tmpdata;
	char stuff[0];
};

/*! \brief Ignore patterns in dial plan */
struct ast_ignorepat {
	const char *registrar;
	struct ast_ignorepat *next;
	const char pattern[0];
};

/*! \brief An extension context */
struct ast_context {
	ast_rwlock_t lock; 			/*!< A lock to prevent multiple threads from clobbering the context */
	struct ast_exten *root;			/*!< The root of the list of extensions */
	struct ast_context *next;		/*!< Link them together */
	struct ast_include *includes;		/*!< Include other contexts */
	struct ast_ignorepat *ignorepats;	/*!< Patterns for which to continue playing dialtone */
	const char *registrar;			/*!< Registrar */
	AST_LIST_HEAD_NOLOCK(, ast_sw) alts;	/*!< Alternative switches */
	ast_mutex_t macrolock;			/*!< A lock to implement "exclusive" macros - held whilst a call is executing in the macro */
	char name[0];				/*!< Name of the context */
};

#endif

struct ast_config *localized_config_load(const char *filename);
struct ast_config *localized_config_load_with_comments(const char *filename);
struct ast_category *localized_category_get(const struct ast_config *config, const char *category_name);
int localized_config_text_file_save(const char *configfile, const struct ast_config *cfg, const char *generator);
struct ast_context *localized_walk_contexts(struct ast_context *con);
struct ast_exten *localized_walk_context_extensions(struct ast_context *con,
													struct ast_exten *exten);
struct ast_exten *localized_walk_extension_priorities(struct ast_exten *exten,
													  struct ast_exten *priority);
struct ast_include *localized_walk_context_includes(struct ast_context *con,
													struct ast_include *inc);
struct ast_sw *localized_walk_context_switches(struct ast_context *con,
											   struct ast_sw *sw);

void localized_context_destroy(struct ast_context *con, const char *registrar);
int localized_pbx_load_module(void);

/*!
 * \version 1.6.1 added tab parameter
 * \version 1.6.1 renamed function from localized_context_create to localized_context_find_or_create
 */
struct ast_context *localized_context_find_or_create(struct ast_context **extcontexts, void *tab, const char *name, const char *registrar);
int localized_pbx_builtin_setvar(struct ast_channel *chan, const void *data);
int localized_context_add_ignorepat2(struct ast_context *con, const char *value, const char *registrar);
int localized_context_add_switch2(struct ast_context *con, const char *value,
								 const char *data, int eval, const char *registrar);
int localized_context_add_include2(struct ast_context *con, const char *value,
								  const char *registrar);
int localized_add_extension2(struct ast_context *con,
							 int replace, const char *extension, int priority, const char *label, const char *callerid,
							 const char *application, void *data, void (*datad)(void *),
							 const char *registrar);

/*!
 * \version 1.6.1 added tab parameter
 */
void localized_merge_contexts_and_delete(struct ast_context **extcontexts, void *tab, const char *registrar);
int localized_context_verify_includes(struct ast_context *con);
void localized_use_conf_dir(void);
void localized_use_local_dir(void);


#ifndef _ASTERISK_PBX_H
/*!
 * When looking up extensions, we can have different requests
 * identified by the 'action' argument, as follows.
 * Note that the coding is such that the low 4 bits are the
 * third argument to extension_match_core.
 */
enum ext_match_t {
	E_MATCHMORE = 	0x00,	/* extension can match but only with more 'digits' */
	E_CANMATCH =	0x01,	/* extension can match with or without more 'digits' */
	E_MATCH =	0x02,	/* extension is an exact match */
	E_MATCH_MASK =	0x03,	/* mask for the argument to extension_match_core() */
	E_SPAWN =	0x12,	/* want to spawn an extension. Requires exact match */
	E_FINDLABEL =	0x22	/* returns the priority for a given label. Requires exact match */
};
#define AST_PBX_MAX_STACK  128

/* request and result for pbx_find_extension */
struct pbx_find_info {
#if 0
	const char *context;
	const char *exten;
	int priority;
#endif

	char *incstack[AST_PBX_MAX_STACK];      /* filled during the search */
	int stacklen;                   /* modified during the search */
	int status;                     /* set on return */
	struct ast_switch *swo;         /* set on return */
	const char *data;               /* set on return */
	const char *foundcontext;       /* set on return */
};

#define STATUS_NO_CONTEXT	1
#define STATUS_NO_EXTENSION	2
#define STATUS_NO_PRIORITY	3
#define STATUS_NO_LABEL		4
#define STATUS_SUCCESS		5

#endif

struct ast_exten *localized_find_extension(struct ast_context *bypass,
										  struct pbx_find_info *q,
										  const char *context,
										  const char *exten,
										  int priority,
										  const char *label,
										  const char *callerid,
										  enum ext_match_t action);


#if defined(__cplusplus) || defined(c_plusplus)
}
#endif

#endif /* _ASTERISK_PBX_H */