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Macros | Enumerations | Functions | Variables
cel_radius.c File Reference

RADIUS CEL Support. More...

#include "asterisk.h"
#include <RADIUS_HEADER_STR>
#include "asterisk/channel.h"
#include "asterisk/cel.h"
#include "asterisk/module.h"
#include "asterisk/logger.h"
#include "asterisk/utils.h"
#include "asterisk/options.h"
Include dependency graph for cel_radius.c:

Go to the source code of this file.

Macros

#define ADD_VENDOR_CODE(x, y)   (rc_avpair_add(rh, send, x, (void *)y, strlen(y), VENDOR_CODE))
 
#define DATE_FORMAT   "%Y-%m-%d %T %z"
 
#define RADIUS_BACKEND_NAME   "CEL Radius Logging"
 
#define VENDOR_CODE   22736
 

Enumerations

enum  {
  PW_AST_ACCT_CODE = 101 , PW_AST_CIDNUM = 102 , PW_AST_CIDNAME = 103 , PW_AST_CIDANI = 104 ,
  PW_AST_CIDRDNIS = 105 , PW_AST_CIDDNID = 106 , PW_AST_EXTEN = 107 , PW_AST_CONTEXT = 108 ,
  PW_AST_CHANNAME = 109 , PW_AST_APPNAME = 110 , PW_AST_APPDATA = 111 , PW_AST_EVENT_TIME = 112 ,
  PW_AST_AMA_FLAGS = 113 , PW_AST_UNIQUE_ID = 114 , PW_AST_USER_NAME = 115 , PW_AST_LINKED_ID = 116
}
 
enum  { RADIUS_FLAG_USEGMTIME = (1 << 0) , RADIUS_FLAG_LOGUNIQUEID = (1 << 1) , RADIUS_FLAG_LOGUSERFIELD = (1 << 2) }
 

Functions

static void __reg_module (void)
 
static void __unreg_module (void)
 
struct ast_module * AST_MODULE_SELF_SYM (void)
 
static int build_radius_record (VALUE_PAIR **send, struct ast_cel_event_record *record)
 
static int load_module (void)
 
static void radius_log (struct ast_event *event)
 
static int unload_module (void)
 

Variables

static struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER, .description = "RADIUS CEL Backend", .key = ASTERISK_GPL_KEY, .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_EXTENDED, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_CDR_DRIVER, .requires = "cel", }
 
static const struct ast_module_info * ast_module_info = &__mod_info
 
static char * cel_config = "cel.conf"
 
static struct ast_flags global_flags = { RADIUS_FLAG_USEGMTIME | RADIUS_FLAG_LOGUNIQUEID | RADIUS_FLAG_LOGUSERFIELD }
 
static char radiuscfg [PATH_MAX] = "/etc/radiusclient-ng/radiusclient.conf"
 
static rc_handle * rh = NULL
 

Detailed Description

RADIUS CEL Support.

Author
Philippe Sultan The Radius Client Library - http://developer.berlios.de/projects/radiusclient-ng/

Definition in file cel_radius.c.

Macro Definition Documentation

◆ ADD_VENDOR_CODE

#define ADD_VENDOR_CODE (   x,
  y 
)    (rc_avpair_add(rh, send, x, (void *)y, strlen(y), VENDOR_CODE))

Definition at line 90 of file cel_radius.c.

◆ DATE_FORMAT

#define DATE_FORMAT   "%Y-%m-%d %T %z"

ISO 8601 standard format

Definition at line 44 of file cel_radius.c.

◆ RADIUS_BACKEND_NAME

#define RADIUS_BACKEND_NAME   "CEL Radius Logging"

Definition at line 88 of file cel_radius.c.

◆ VENDOR_CODE

#define VENDOR_CODE   22736

Definition at line 46 of file cel_radius.c.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum
Enumerator
PW_AST_ACCT_CODE 
PW_AST_CIDNUM 
PW_AST_CIDNAME 
PW_AST_CIDANI 
PW_AST_CIDRDNIS 
PW_AST_CIDDNID 
PW_AST_EXTEN 
PW_AST_CONTEXT 
PW_AST_CHANNAME 
PW_AST_APPNAME 
PW_AST_APPDATA 
PW_AST_EVENT_TIME 
PW_AST_AMA_FLAGS 
PW_AST_UNIQUE_ID 
PW_AST_USER_NAME 
PW_AST_LINKED_ID 

Definition at line 48 of file cel_radius.c.

48 {
49 PW_AST_ACCT_CODE = 101,
50 PW_AST_CIDNUM = 102,
51 PW_AST_CIDNAME = 103,
52 PW_AST_CIDANI = 104,
53 PW_AST_CIDRDNIS = 105,
54 PW_AST_CIDDNID = 106,
55 PW_AST_EXTEN = 107,
56 PW_AST_CONTEXT = 108,
57 PW_AST_CHANNAME = 109,
58 PW_AST_APPNAME = 110,
59 PW_AST_APPDATA = 111,
60 PW_AST_EVENT_TIME = 112,
61 PW_AST_AMA_FLAGS = 113,
62 PW_AST_UNIQUE_ID = 114,
63 PW_AST_USER_NAME = 115,
64 PW_AST_LINKED_ID = 116,
65};
PW_AST_CIDNAME
@ PW_AST_CIDNAME
Definition cel_radius.c:51
PW_AST_ACCT_CODE
@ PW_AST_ACCT_CODE
Definition cel_radius.c:49
PW_AST_USER_NAME
@ PW_AST_USER_NAME
Definition cel_radius.c:63
PW_AST_LINKED_ID
@ PW_AST_LINKED_ID
Definition cel_radius.c:64
PW_AST_CIDDNID
@ PW_AST_CIDDNID
Definition cel_radius.c:54
PW_AST_UNIQUE_ID
@ PW_AST_UNIQUE_ID
Definition cel_radius.c:62
PW_AST_CIDNUM
@ PW_AST_CIDNUM
Definition cel_radius.c:50
PW_AST_AMA_FLAGS
@ PW_AST_AMA_FLAGS
Definition cel_radius.c:61
PW_AST_CIDRDNIS
@ PW_AST_CIDRDNIS
Definition cel_radius.c:53
PW_AST_APPDATA
@ PW_AST_APPDATA
Definition cel_radius.c:59
PW_AST_CONTEXT
@ PW_AST_CONTEXT
Definition cel_radius.c:56
PW_AST_EXTEN
@ PW_AST_EXTEN
Definition cel_radius.c:55
PW_AST_APPNAME
@ PW_AST_APPNAME
Definition cel_radius.c:58
PW_AST_EVENT_TIME
@ PW_AST_EVENT_TIME
Definition cel_radius.c:60
PW_AST_CIDANI
@ PW_AST_CIDANI
Definition cel_radius.c:52
PW_AST_CHANNAME
@ PW_AST_CHANNAME
Definition cel_radius.c:57

◆ anonymous enum

anonymous enum
Enumerator
RADIUS_FLAG_USEGMTIME 

Log dates and times in UTC

RADIUS_FLAG_LOGUNIQUEID 

Log Unique ID

RADIUS_FLAG_LOGUSERFIELD 

Log User Field

Definition at line 67 of file cel_radius.c.

67 {
68 /*! Log dates and times in UTC */
69 RADIUS_FLAG_USEGMTIME = (1 << 0),
70 /*! Log Unique ID */
71 RADIUS_FLAG_LOGUNIQUEID = (1 << 1),
72 /*! Log User Field */
73 RADIUS_FLAG_LOGUSERFIELD = (1 << 2)
74};
RADIUS_FLAG_USEGMTIME
@ RADIUS_FLAG_USEGMTIME
Definition cel_radius.c:69
RADIUS_FLAG_LOGUNIQUEID
@ RADIUS_FLAG_LOGUNIQUEID
Definition cel_radius.c:71
RADIUS_FLAG_LOGUSERFIELD
@ RADIUS_FLAG_LOGUSERFIELD
Definition cel_radius.c:73

Function Documentation

◆ __reg_module()

static void __reg_module ( void  )
static

Definition at line 261 of file cel_radius.c.

◆ __unreg_module()

static void __unreg_module ( void  )
static

Definition at line 261 of file cel_radius.c.

◆ AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM ( void  )

Definition at line 261 of file cel_radius.c.

◆ build_radius_record()

static int build_radius_record ( VALUE_PAIR **  send,
struct ast_cel_event_record *  record 
)
static

Definition at line 92 of file cel_radius.c.

93{
94 int recordtype = PW_STATUS_STOP;
95 struct ast_tm tm;
96 char timestr[128];
97 char *amaflags;
98
99 if (!rc_avpair_add(rh, send, PW_ACCT_STATUS_TYPE, &recordtype, 0, 0)) {
100 return -1;
101 }
102 /* Account code */
103 if (!ADD_VENDOR_CODE(PW_AST_ACCT_CODE, record->account_code)) {
104 return -1;
105 }
106 /* Source */
107 if (!ADD_VENDOR_CODE(PW_AST_CIDNUM, record->caller_id_num)) {
108 return -1;
109 }
110 /* Destination */
111 if (!ADD_VENDOR_CODE(PW_AST_EXTEN, record->extension)) {
112 return -1;
113 }
114 /* Destination context */
115 if (!ADD_VENDOR_CODE(PW_AST_CONTEXT, record->context)) {
116 return -1;
117 }
118 /* Caller ID */
119 if (!ADD_VENDOR_CODE(PW_AST_CIDNAME, record->caller_id_name)) {
120 return -1;
121 }
122 /* Caller ID ani */
123 if (!ADD_VENDOR_CODE(PW_AST_CIDANI, record->caller_id_ani)) {
124 return -1;
125 }
126 /* Caller ID rdnis */
127 if (!ADD_VENDOR_CODE(PW_AST_CIDRDNIS, record->caller_id_rdnis)) {
128 return -1;
129 }
130 /* Caller ID dnid */
131 if (!ADD_VENDOR_CODE(PW_AST_CIDDNID, record->caller_id_dnid)) {
132 return -1;
133 }
134 /* Channel */
135 if (!ADD_VENDOR_CODE(PW_AST_CHANNAME, record->channel_name)) {
136 return -1;
137 }
138 /* Last Application */
139 if (!ADD_VENDOR_CODE(PW_AST_APPNAME, record->application_name)) {
140 return -1;
141 }
142 /* Last Data */
143 if (!ADD_VENDOR_CODE(PW_AST_APPDATA, record->application_data)) {
144 return -1;
145 }
146 /* Event Time */
147 ast_localtime(&record->event_time, &tm,
148 ast_test_flag(&global_flags, RADIUS_FLAG_USEGMTIME) ? "GMT" : NULL);
149 ast_strftime(timestr, sizeof(timestr), DATE_FORMAT, &tm);
150 if (!rc_avpair_add(rh, send, PW_AST_EVENT_TIME, timestr, strlen(timestr), VENDOR_CODE)) {
151 return -1;
152 }
153 /* AMA Flags */
154 amaflags = ast_strdupa(ast_channel_amaflags2string(record->amaflag));
155 if (!rc_avpair_add(rh, send, PW_AST_AMA_FLAGS, amaflags, strlen(amaflags), VENDOR_CODE)) {
156 return -1;
157 }
158 if (ast_test_flag(&global_flags, RADIUS_FLAG_LOGUNIQUEID)) {
159 /* Unique ID */
160 if (!ADD_VENDOR_CODE(PW_AST_UNIQUE_ID, record->unique_id)) {
161 return -1;
162 }
163 }
164 /* LinkedID */
165 if (!ADD_VENDOR_CODE(PW_AST_LINKED_ID, record->linked_id)) {
166 return -1;
167 }
168 /* Setting Acct-Session-Id & User-Name attributes for proper generation
169 of Acct-Unique-Session-Id on server side */
170 /* Channel */
171 if (!rc_avpair_add(rh, send, PW_USER_NAME, (void *)record->channel_name,
172 strlen(record->channel_name), 0)) {
173 return -1;
174 }
175 return 0;
176}
ast_strdupa
#define ast_strdupa(s)
duplicate a string in memory from the stack
Definition astmm.h:298
VENDOR_CODE
#define VENDOR_CODE
Definition cel_radius.c:46
rh
static rc_handle * rh
Definition cel_radius.c:86
ADD_VENDOR_CODE
#define ADD_VENDOR_CODE(x, y)
Definition cel_radius.c:90
global_flags
static struct ast_flags global_flags
Definition cel_radius.c:84
DATE_FORMAT
#define DATE_FORMAT
Definition cel_radius.c:44
amaflags
static int amaflags
Definition chan_iax2.c:500
ast_channel_amaflags2string
const char * ast_channel_amaflags2string(enum ama_flags flags)
Convert the enum representation of an AMA flag to a string representation.
Definition channel.c:4367
ast_localtime
struct ast_tm * ast_localtime(const struct timeval *timep, struct ast_tm *p_tm, const char *zone)
Timezone-independent version of localtime_r(3).
Definition localtime.c:1739
ast_strftime
int ast_strftime(char *buf, size_t len, const char *format, const struct ast_tm *tm)
Special version of strftime(3) that handles fractions of a second. Takes the same arguments as strfti...
Definition localtime.c:2524
NULL
#define NULL
Definition resample.c:96
ast_cel_event_record::caller_id_dnid
const char * caller_id_dnid
Definition cel.h:163
ast_cel_event_record::application_data
const char * application_data
Definition cel.h:168
ast_cel_event_record::account_code
const char * account_code
Definition cel.h:169
ast_cel_event_record::caller_id_rdnis
const char * caller_id_rdnis
Definition cel.h:162
ast_cel_event_record::extension
const char * extension
Definition cel.h:164
ast_cel_event_record::caller_id_num
const char * caller_id_num
Definition cel.h:160
ast_cel_event_record::channel_name
const char * channel_name
Definition cel.h:166
ast_cel_event_record::linked_id
const char * linked_id
Definition cel.h:172
ast_cel_event_record::unique_id
const char * unique_id
Definition cel.h:171
ast_cel_event_record::context
const char * context
Definition cel.h:165
ast_cel_event_record::application_name
const char * application_name
Definition cel.h:167
ast_cel_event_record::event_time
struct timeval event_time
Definition cel.h:156
ast_cel_event_record::amaflag
uint amaflag
Definition cel.h:174
ast_cel_event_record::caller_id_ani
const char * caller_id_ani
Definition cel.h:161
ast_cel_event_record::caller_id_name
const char * caller_id_name
Definition cel.h:159
ast_tm
Definition localtime.h:35
ast_test_flag
#define ast_test_flag(p, flag)
Definition utils.h:64

References ast_cel_event_record::account_code, ADD_VENDOR_CODE, ast_cel_event_record::amaflag, amaflags, ast_cel_event_record::application_data, ast_cel_event_record::application_name, ast_channel_amaflags2string(), ast_localtime(), ast_strdupa, ast_strftime(), ast_test_flag, ast_cel_event_record::caller_id_ani, ast_cel_event_record::caller_id_dnid, ast_cel_event_record::caller_id_name, ast_cel_event_record::caller_id_num, ast_cel_event_record::caller_id_rdnis, ast_cel_event_record::channel_name, ast_cel_event_record::context, DATE_FORMAT, ast_cel_event_record::event_time, ast_cel_event_record::extension, global_flags, ast_cel_event_record::linked_id, NULL, PW_AST_ACCT_CODE, PW_AST_AMA_FLAGS, PW_AST_APPDATA, PW_AST_APPNAME, PW_AST_CHANNAME, PW_AST_CIDANI, PW_AST_CIDDNID, PW_AST_CIDNAME, PW_AST_CIDNUM, PW_AST_CIDRDNIS, PW_AST_CONTEXT, PW_AST_EVENT_TIME, PW_AST_EXTEN, PW_AST_LINKED_ID, PW_AST_UNIQUE_ID, RADIUS_FLAG_LOGUNIQUEID, RADIUS_FLAG_USEGMTIME, rh, ast_cel_event_record::unique_id, and VENDOR_CODE.

Referenced by radius_log().

◆ load_module()

static int load_module ( void  )
static

Definition at line 216 of file cel_radius.c.

217{
218 struct ast_config *cfg;
219 struct ast_flags config_flags = { 0 };
220 const char *tmp;
221
222 if ((cfg = ast_config_load(cel_config, config_flags))) {
223 ast_set2_flag(&global_flags, ast_true(ast_variable_retrieve(cfg, "radius", "usegmtime")), RADIUS_FLAG_USEGMTIME);
224 if ((tmp = ast_variable_retrieve(cfg, "radius", "radiuscfg"))) {
225 ast_copy_string(radiuscfg, tmp, sizeof(radiuscfg));
226 }
227 ast_config_destroy(cfg);
228 } else {
229 return AST_MODULE_LOAD_DECLINE;
230 }
231
232 /* read radiusclient-ng config file */
233 if (!(rh = rc_read_config(radiuscfg))) {
234 ast_log(LOG_NOTICE, "Cannot load radiusclient-ng configuration file %s.\n", radiuscfg);
235 return AST_MODULE_LOAD_DECLINE;
236 }
237
238 /* read radiusclient-ng dictionaries */
239 if (rc_read_dictionary(rh, rc_conf_str(rh, "dictionary"))) {
240 ast_log(LOG_NOTICE, "Cannot load radiusclient-ng dictionary file.\n");
241 rc_destroy(rh);
242 rh = NULL;
243 return AST_MODULE_LOAD_DECLINE;
244 }
245
246 if (ast_cel_backend_register(RADIUS_BACKEND_NAME, radius_log)) {
247 rc_destroy(rh);
248 rh = NULL;
249 return AST_MODULE_LOAD_DECLINE;
250 } else {
251 return AST_MODULE_LOAD_SUCCESS;
252 }
253}
ast_log
#define ast_log
Definition astobj2.c:42
ast_cel_backend_register
int ast_cel_backend_register(const char *name, ast_cel_backend_cb backend_callback)
Register a CEL backend.
Definition cel.c:1809
RADIUS_BACKEND_NAME
#define RADIUS_BACKEND_NAME
Definition cel_radius.c:88
radius_log
static void radius_log(struct ast_event *event)
Definition cel_radius.c:178
radiuscfg
static char radiuscfg[PATH_MAX]
Definition cel_radius.c:81
ast_config_load
#define ast_config_load(filename, flags)
Load a config file.
Definition include/asterisk/config.h:185
ast_config_destroy
void ast_config_destroy(struct ast_config *cfg)
Destroys a config.
Definition extconf.c:1287
ast_variable_retrieve
const char * ast_variable_retrieve(struct ast_config *config, const char *category, const char *variable)
Definition main/config.c:870
LOG_NOTICE
#define LOG_NOTICE
Definition include/asterisk/logger.h:269
AST_MODULE_LOAD_SUCCESS
@ AST_MODULE_LOAD_SUCCESS
Definition module.h:70
AST_MODULE_LOAD_DECLINE
@ AST_MODULE_LOAD_DECLINE
Module has failed to load, may be in an inconsistent state.
Definition module.h:78
ast_true
int attribute_pure ast_true(const char *val)
Make sure something is true. Determine if a string containing a boolean value is "true"....
Definition utils.c:2235
ast_copy_string
void ast_copy_string(char *dst, const char *src, size_t size)
Size-limited null-terminating string copy.
Definition strings.h:425
ast_config
Definition main/config.c:251
ast_flags
Structure used to handle boolean flags.
Definition utils.h:220
cel_config
A container that holds all config-related information.
Definition cel_custom.c:52
ast_set2_flag
#define ast_set2_flag(p, value, flag)
Definition utils.h:95

References ast_cel_backend_register(), ast_config_destroy(), ast_config_load, ast_copy_string(), ast_log, AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, ast_set2_flag, ast_true(), ast_variable_retrieve(), global_flags, LOG_NOTICE, NULL, RADIUS_BACKEND_NAME, RADIUS_FLAG_USEGMTIME, radius_log(), radiuscfg, and rh.

◆ radius_log()

static void radius_log ( struct ast_event *  event)
static

Definition at line 178 of file cel_radius.c.

179{
180 int result = ERROR_RC;
181 VALUE_PAIR *send = NULL;
182 struct ast_cel_event_record record = {
183 .version = AST_CEL_EVENT_RECORD_VERSION,
184 };
185
186 if (ast_cel_fill_record(event, &record)) {
187 return;
188 }
189
190 if (build_radius_record(&send, &record)) {
191 ast_debug(1, "Unable to create RADIUS record. CEL not recorded!\n");
192 goto return_cleanup;
193 }
194
195 result = rc_acct(rh, 0, send);
196 if (result != OK_RC) {
197 ast_log(LOG_ERROR, "Failed to record Radius CEL record!\n");
198 }
199
200return_cleanup:
201 if (send) {
202 rc_avpair_free(send);
203 }
204}
ast_cel_fill_record
int ast_cel_fill_record(const struct ast_event *event, struct ast_cel_event_record *r)
Fill in an ast_cel_event_record from a CEL event.
Definition cel.c:843
AST_CEL_EVENT_RECORD_VERSION
#define AST_CEL_EVENT_RECORD_VERSION
struct ABI version
Definition cel.h:149
result
static PGresult * result
Definition cel_pgsql.c:84
build_radius_record
static int build_radius_record(VALUE_PAIR **send, struct ast_cel_event_record *record)
Definition cel_radius.c:92
ast_debug
#define ast_debug(level,...)
Log a DEBUG message.
Definition include/asterisk/logger.h:456
LOG_ERROR
#define LOG_ERROR
Definition include/asterisk/logger.h:291
ast_cel_event_record
Helper struct for getting the fields out of a CEL event.
Definition cel.h:144
ast_cel_event_record::version
uint32_t version
struct ABI version
Definition cel.h:154

References AST_CEL_EVENT_RECORD_VERSION, ast_cel_fill_record(), ast_debug, ast_log, build_radius_record(), LOG_ERROR, NULL, result, rh, and ast_cel_event_record::version.

Referenced by load_module().

◆ unload_module()

static int unload_module ( void  )
static

Definition at line 206 of file cel_radius.c.

207{
208 ast_cel_backend_unregister(RADIUS_BACKEND_NAME);
209 if (rh) {
210 rc_destroy(rh);
211 rh = NULL;
212 }
213 return AST_MODULE_LOAD_SUCCESS;
214}
ast_cel_backend_unregister
int ast_cel_backend_unregister(const char *name)
Unregister a CEL backend.
Definition cel.c:1797

References ast_cel_backend_unregister(), AST_MODULE_LOAD_SUCCESS, NULL, RADIUS_BACKEND_NAME, and rh.

Variable Documentation

◆ __mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER, .description = "RADIUS CEL Backend", .key = ASTERISK_GPL_KEY, .buildopt_sum = AST_BUILDOPT_SUM, .support_level = AST_MODULE_SUPPORT_EXTENDED, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_CDR_DRIVER, .requires = "cel", }
static

Definition at line 261 of file cel_radius.c.

◆ ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info
static

Definition at line 261 of file cel_radius.c.

◆ cel_config

char* cel_config = "cel.conf"
static

Definition at line 76 of file cel_radius.c.

◆ global_flags

struct ast_flags global_flags = { RADIUS_FLAG_USEGMTIME | RADIUS_FLAG_LOGUNIQUEID | RADIUS_FLAG_LOGUSERFIELD }
static

Definition at line 84 of file cel_radius.c.

84{ RADIUS_FLAG_USEGMTIME | RADIUS_FLAG_LOGUNIQUEID | RADIUS_FLAG_LOGUSERFIELD };

Referenced by build_radius_record(), and load_module().

◆ radiuscfg

char radiuscfg[PATH_MAX] = "/etc/radiusclient-ng/radiusclient.conf"
static

Definition at line 81 of file cel_radius.c.

Referenced by load_module().

◆ rh

rc_handle* rh = NULL
static

Definition at line 86 of file cel_radius.c.

Referenced by build_radius_record(), load_module(), radius_log(), and unload_module().

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