main/security_events.c File Reference

Security Event Reporting Helpers. More...

#include "asterisk.h"
#include "asterisk/utils.h"
#include "asterisk/strings.h"
#include "asterisk/network.h"
#include "asterisk/event.h"
#include "asterisk/security_events.h"
#include "asterisk/netsock2.h"
#include "asterisk/stasis.h"
#include "asterisk/json.h"
#include "asterisk/astobj2.h"

Include dependency graph for main/security_events.c:

Go to the source code of this file.

Macros
#define	MAX_SECURITY_IES   12
#define	SEC_EVT_FIELD(e, field)   (offsetof(struct ast_security_event_##e, field))

Enumerations
enum	ie_required { NOT_REQUIRED , REQUIRED , NOT_REQUIRED , REQUIRED }

Functions
static int	add_ip_json_object (struct ast_json *json, enum ast_event_ie_type ie_type, const struct ast_security_event_ip_addr *addr)
static int	add_json_object (struct ast_json *json, const struct ast_security_event_common *sec, const struct ast_security_event_ie_type *ie_type, enum ie_required req)
static struct ast_json *	alloc_security_event_json_object (const struct ast_security_event_common *sec)
static int	append_event_str_from_json (struct ast_str **str, struct ast_json *json, const struct ast_security_event_ie_type *ies)
static int	append_event_str_single (struct ast_str **str, struct ast_json *json, const enum ast_event_ie_type ie_type)
const char *	ast_security_event_get_name (const enum ast_security_event_type event_type)
	Get the name of a security event sub-type. More...
const struct ast_security_event_ie_type *	ast_security_event_get_optional_ies (const enum ast_security_event_type event_type)
	Get the list of optional IEs for a given security event sub-type. More...
const struct ast_security_event_ie_type *	ast_security_event_get_required_ies (const enum ast_security_event_type event_type)
	Get the list of required IEs for a given security event sub-type. More...
int	ast_security_event_report (const struct ast_security_event_common *sec)
	Report a security event. More...
const char *	ast_security_event_severity_get_name (const enum ast_security_event_severity severity)
	Get the name of a security event severity. More...
int	ast_security_stasis_init (void)
	initializes stasis topic/event types for ast_security_topic and ast_security_event_type More...
struct stasis_topic *	ast_security_topic (void)
	A stasis_topic which publishes messages for security related issues. More...
static int	check_event_type (const enum ast_security_event_type event_type)
static int	handle_security_event (const struct ast_security_event_common *sec)
static struct ast_manager_event_blob *	security_event_to_ami (struct stasis_message *message)
static struct ast_manager_event_blob *	security_event_to_ami_blob (struct ast_json *json)
static void	security_stasis_cleanup (void)
	STASIS_MESSAGE_TYPE_DEFN (ast_security_event_type,.to_ami=security_event_to_ami,)
	Message type for security events. More...

Variables
struct {
const char *   name
struct ast_security_event_ie_type   optional_ies [MAX_SECURITY_IES]
struct ast_security_event_ie_type   required_ies [MAX_SECURITY_IES]
enum ast_security_event_severity   severity
uint32_t   version
}	sec_events [AST_SECURITY_EVENT_NUM_TYPES]
static const size_t	SECURITY_EVENT_BUF_INIT_LEN = 256
static struct stasis_topic *	security_topic
	Security Topic. More...
struct {
enum ast_security_event_severity   severity
const char *   str
}	severities []

Detailed Description

Security Event Reporting Helpers.

Author

Russell Bryant russe.nosp@m.ll@d.nosp@m.igium.nosp@m..com

Definition in file main/security_events.c.

Macro Definition Documentation

MAX_SECURITY_IES

#define MAX_SECURITY_IES   12

Definition at line 504 of file main/security_events.c.

SEC_EVT_FIELD

#define SEC_EVT_FIELD	(		e,
			field
	)		(offsetof(struct ast_security_event_##e, field))

Enumeration Type Documentation

ie_required

enum ie_required

Enumerator
NOT_REQUIRED
REQUIRED
NOT_REQUIRED
REQUIRED

Definition at line 937 of file main/security_events.c.

                 {
    NOT_REQUIRED,
    REQUIRED
};

Function Documentation

add_ip_json_object()

static int add_ip_json_object ( struct ast_json *  json, enum ast_event_ie_type  ie_type, const struct ast_security_event_ip_addr *  addr  )

static

Definition at line 924 of file main/security_events.c.

{
    struct ast_json *json_ip;
 
    json_ip = ast_json_ipaddr(addr->addr, addr->transport);
    if (!json_ip) {
        return -1;
    }
 
    return ast_json_object_set(json, ast_event_get_ie_type_name(ie_type), json_ip);
}

References ast_security_event_ip_addr::addr, ast_event_get_ie_type_name(), ast_json_ipaddr(), ast_json_object_set(), and ast_security_event_ip_addr::transport.

Referenced by add_json_object().

add_json_object()

static int add_json_object ( struct ast_json *  json, const struct ast_security_event_common *  sec, const struct ast_security_event_ie_type *  ie_type, enum ie_required  req  )

static

Definition at line 942 of file main/security_events.c.

{
    int res = 0;
 
    switch (ie_type->ie_type) {
    case AST_EVENT_IE_SERVICE:
    case AST_EVENT_IE_ACCOUNT_ID:
    case AST_EVENT_IE_SESSION_ID:
    case AST_EVENT_IE_MODULE:
    case AST_EVENT_IE_ACL_NAME:
    case AST_EVENT_IE_REQUEST_TYPE:
    case AST_EVENT_IE_REQUEST_PARAMS:
    case AST_EVENT_IE_AUTH_METHOD:
    case AST_EVENT_IE_CHALLENGE:
    case AST_EVENT_IE_RESPONSE:
    case AST_EVENT_IE_EXPECTED_RESPONSE:
    case AST_EVENT_IE_RECEIVED_CHALLENGE:
    case AST_EVENT_IE_RECEIVED_HASH:
    case AST_EVENT_IE_ATTEMPTED_TRANSPORT:
    {
        const char *str;
        struct ast_json *json_string;
 
        str = *((const char **)(((const char *) sec) + ie_type->offset));
 
        if (req && !str) {
            ast_log(LOG_WARNING, "Required IE '%d' (%s) for security event "
                    "type '%u' (%s) not present\n", ie_type->ie_type,
                    ast_event_get_ie_type_name(ie_type->ie_type),
                    sec->event_type, ast_security_event_get_name(sec->event_type));
            res = -1;
            break;
        }
 
        if (!str) {
            break;
        }
 
        json_string = ast_json_string_create(str);
        if (!json_string) {
            res = -1;
            break;
        }
 
        res = ast_json_object_set(json, ast_event_get_ie_type_name(ie_type->ie_type), json_string);
        break;
    }
    case AST_EVENT_IE_EVENT_VERSION:
    case AST_EVENT_IE_USING_PASSWORD:
    {
        struct ast_json *json_string;
        uint32_t val;
        val = *((const uint32_t *)(((const char *) sec) + ie_type->offset));
 
        json_string = ast_json_stringf("%u", val);
        if (!json_string) {
            res = -1;
            break;
        }
 
        res = ast_json_object_set(json, ast_event_get_ie_type_name(ie_type->ie_type), json_string);
        break;
    }
    case AST_EVENT_IE_LOCAL_ADDR:
    case AST_EVENT_IE_REMOTE_ADDR:
    case AST_EVENT_IE_EXPECTED_ADDR:
    {
        const struct ast_security_event_ip_addr *addr;
 
        addr = (const struct ast_security_event_ip_addr *)(((const char *) sec) + ie_type->offset);
 
        if (req && !addr->addr) {
            ast_log(LOG_WARNING, "Required IE '%d' (%s) for security event "
                    "type '%u' (%s) not present\n", ie_type->ie_type,
                    ast_event_get_ie_type_name(ie_type->ie_type),
                    sec->event_type, ast_security_event_get_name(sec->event_type));
            res = -1;
        }
 
        if (addr->addr) {
            res = add_ip_json_object(json, ie_type->ie_type, addr);
        }
 
        break;
    }
    case AST_EVENT_IE_SESSION_TV:
    {
        const struct timeval *tval;
 
        tval = *((const struct timeval **)(((const char *) sec) + ie_type->offset));
 
        if (req && !tval) {
            ast_log(LOG_WARNING, "Required IE '%d' (%s) for security event "
                    "type '%u' (%s) not present\n", ie_type->ie_type,
                    ast_event_get_ie_type_name(ie_type->ie_type),
                    sec->event_type, ast_security_event_get_name(sec->event_type));
            res = -1;
        }
 
        if (tval) {
            struct ast_json *json_tval = ast_json_timeval(*tval, NULL);
            if (!json_tval) {
                res = -1;
                break;
            }
            res = ast_json_object_set(json, ast_event_get_ie_type_name(ie_type->ie_type), json_tval);
        }
 
        break;
    }
    case AST_EVENT_IE_EVENT_TV:
    case AST_EVENT_IE_SEVERITY:
        /* Added automatically, nothing to do here. */
        break;
    default:
        ast_log(LOG_WARNING, "Unhandled IE type '%d' (%s), this security event "
                "will be missing data.\n", ie_type->ie_type,
                ast_event_get_ie_type_name(ie_type->ie_type));
        break;
    }
 
    return res;
}

References add_ip_json_object(), ast_security_event_ip_addr::addr, ast_event_get_ie_type_name(), AST_EVENT_IE_ACCOUNT_ID, AST_EVENT_IE_ACL_NAME, AST_EVENT_IE_ATTEMPTED_TRANSPORT, AST_EVENT_IE_AUTH_METHOD, AST_EVENT_IE_CHALLENGE, AST_EVENT_IE_EVENT_TV, AST_EVENT_IE_EVENT_VERSION, AST_EVENT_IE_EXPECTED_ADDR, AST_EVENT_IE_EXPECTED_RESPONSE, AST_EVENT_IE_LOCAL_ADDR, AST_EVENT_IE_MODULE, AST_EVENT_IE_RECEIVED_CHALLENGE, AST_EVENT_IE_RECEIVED_HASH, AST_EVENT_IE_REMOTE_ADDR, AST_EVENT_IE_REQUEST_PARAMS, AST_EVENT_IE_REQUEST_TYPE, AST_EVENT_IE_RESPONSE, AST_EVENT_IE_SERVICE, AST_EVENT_IE_SESSION_ID, AST_EVENT_IE_SESSION_TV, AST_EVENT_IE_SEVERITY, AST_EVENT_IE_USING_PASSWORD, ast_json_object_set(), ast_json_string_create(), ast_json_stringf(), ast_json_timeval(), ast_log, ast_security_event_get_name(), ast_security_event_ie_type::ie_type, LOG_WARNING, NULL, ast_security_event_ie_type::offset, and str.

Referenced by handle_security_event().

alloc_security_event_json_object()

static struct ast_json * alloc_security_event_json_object ( const struct ast_security_event_common *  sec )

static

Definition at line 1067 of file main/security_events.c.

{
    struct timeval tv = ast_tvnow();
    const char *severity_str;
    struct ast_json *json_temp;
    RAII_VAR(struct ast_json *, json_object, ast_json_object_create(), ast_json_unref);
 
    if (!json_object) {
        return NULL;
    }
 
    /* NOTE: Every time ast_json_object_set is used, json_temp becomes a stale pointer since the reference is taken.
     *       This is true even if ast_json_object_set fails.
     */
 
    json_temp = ast_json_integer_create(sec->event_type);
    if (!json_temp || ast_json_object_set(json_object, "SecurityEvent", json_temp)) {
        return NULL;
    }
 
    json_temp = ast_json_stringf("%u", sec->version);
    if (!json_temp || ast_json_object_set(json_object, ast_event_get_ie_type_name(AST_EVENT_IE_EVENT_VERSION), json_temp)) {
        return NULL;
    }
 
    /* AST_EVENT_IE_EVENT_TV */
    json_temp  = ast_json_timeval(tv, NULL);
    if (!json_temp || ast_json_object_set(json_object, ast_event_get_ie_type_name(AST_EVENT_IE_EVENT_TV), json_temp)) {
        return NULL;
    }
 
    /* AST_EVENT_IE_SERVICE */
    json_temp = ast_json_string_create(sec->service);
    if (!json_temp || ast_json_object_set(json_object, ast_event_get_ie_type_name(AST_EVENT_IE_SERVICE), json_temp)) {
        return NULL;
    }
 
    /* AST_EVENT_IE_SEVERITY */
    severity_str = S_OR(
        ast_security_event_severity_get_name(sec_events[sec->event_type].severity),
        "Unknown"
    );
 
    json_temp = ast_json_string_create(severity_str);
    if (!json_temp || ast_json_object_set(json_object, ast_event_get_ie_type_name(AST_EVENT_IE_SEVERITY), json_temp)) {
        return NULL;
    }
 
    return ast_json_ref(json_object);
}

References ast_event_get_ie_type_name(), AST_EVENT_IE_EVENT_TV, AST_EVENT_IE_EVENT_VERSION, AST_EVENT_IE_SERVICE, AST_EVENT_IE_SEVERITY, ast_json_integer_create(), ast_json_object_create(), ast_json_object_set(), ast_json_ref(), ast_json_string_create(), ast_json_stringf(), ast_json_timeval(), ast_json_unref(), ast_security_event_severity_get_name(), ast_tvnow(), ast_security_event_common::event_type, NULL, RAII_VAR, S_OR, sec_events, ast_security_event_common::service, and ast_security_event_common::version.

Referenced by handle_security_event().

append_event_str_from_json()

static int append_event_str_from_json ( struct ast_str **  str, struct ast_json *  json, const struct ast_security_event_ie_type *  ies  )

static

Definition at line 402 of file main/security_events.c.

{
    unsigned int i;
 
    if (!ies) {
        return 0;
    }
 
    for (i = 0; ies[i].ie_type != AST_EVENT_IE_END; i++) {
        if (append_event_str_single(str, json, ies[i].ie_type)) {
            return -1;
        }
    }
 
    return 0;
}

References append_event_str_single(), AST_EVENT_IE_END, ast_security_event_ie_type::ie_type, and str.

Referenced by security_event_to_ami_blob().

append_event_str_single()

static int append_event_str_single ( struct ast_str **  str, struct ast_json *  json, const enum ast_event_ie_type  ie_type  )

static

Definition at line 385 of file main/security_events.c.

{
    const char *ie_type_key = ast_event_get_ie_type_name(ie_type);
    struct ast_json *json_string = ast_json_object_get(json, ie_type_key);
 
    if (!json_string) {
        return 0;
    }
 
    if (ast_str_append(str, 0, "%s: %s\r\n", ie_type_key, S_OR(ast_json_string_get(json_string), "")) == -1) {
        return -1;
    }
 
    return 0;
}

References ast_event_get_ie_type_name(), ast_json_object_get(), ast_json_string_get(), ast_str_append(), S_OR, and str.

Referenced by append_event_str_from_json().

ast_security_event_get_name()

const char * ast_security_event_get_name

(

const enum ast_security_event_type

event_type

)

Get the name of a security event sub-type.

Parameters

[in]

event_type

security event sub-type

Return values

NULL	if event_type is invalid
non-NULL	the name of the security event type

Since

1.8

Definition at line 895 of file main/security_events.c.

{
    if (check_event_type(event_type)) {
        return NULL;
    }
 
    return sec_events[event_type].name;
}

References check_event_type(), NULL, and sec_events.

Referenced by add_json_object(), ast_security_event_report(), gen_events(), security_event_stasis_cb(), and security_event_to_ami_blob().

ast_security_event_get_optional_ies()

const struct ast_security_event_ie_type * ast_security_event_get_optional_ies

(

const enum ast_security_event_type

event_type

)

Get the list of optional IEs for a given security event sub-type.

Parameters

[in]

event_type

security event sub-type

Return values

NULL	invalid event_type
non-NULL	An array terminated with the value AST_EVENT_IE_END

Since

1.8

Definition at line 914 of file main/security_events.c.

{
    if (check_event_type(event_type)) {
        return NULL;
    }
 
    return sec_events[event_type].optional_ies;
}

References check_event_type(), NULL, and sec_events.

Referenced by handle_security_event(), security_event_stasis_cb(), and security_event_to_ami_blob().

ast_security_event_get_required_ies()

const struct ast_security_event_ie_type * ast_security_event_get_required_ies

(

const enum ast_security_event_type

event_type

)

Get the list of required IEs for a given security event sub-type.

Parameters

[in]

event_type

security event sub-type

Return values

NULL	invalid event_type
non-NULL	An array terminated with the value AST_EVENT_IE_END

Since

1.8

Definition at line 904 of file main/security_events.c.

{
    if (check_event_type(event_type)) {
        return NULL;
    }
 
    return sec_events[event_type].required_ies;
}

References check_event_type(), NULL, and sec_events.

Referenced by handle_security_event(), security_event_stasis_cb(), and security_event_to_ami_blob().

ast_security_event_report()

int ast_security_event_report

(

const struct ast_security_event_common *

sec

)

Report a security event.

Parameters

[in]

sec

security event data. Callers of this function should never declare an instance of ast_security_event_common directly. The argument should be an instance of a specific security event descriptor which has ast_security_event_common at the very beginning.

Return values

0	success
non-zero	failure

Definition at line 1171 of file main/security_events.c.

{
    if ((unsigned int)sec->event_type >= AST_SECURITY_EVENT_NUM_TYPES) {
        ast_log(LOG_ERROR, "Invalid security event type\n");
        return -1;
    }
 
    if (!sec_events[sec->event_type].name) {
        ast_log(LOG_WARNING, "Security event type %u not handled\n",
                sec->event_type);
        return -1;
    }
 
    if (sec->version != sec_events[sec->event_type].version) {
        ast_log(LOG_WARNING, "Security event %u version mismatch\n",
                sec->event_type);
        return -1;
    }
 
    if (handle_security_event(sec)) {
        ast_log(LOG_ERROR, "Failed to issue security event of type %s.\n",
                ast_security_event_get_name(sec->event_type));
    }
 
    return 0;
}

References ast_log, ast_security_event_get_name(), AST_SECURITY_EVENT_NUM_TYPES, ast_security_event_common::event_type, handle_security_event(), LOG_ERROR, LOG_WARNING, sec_events, and ast_security_event_common::version.

Referenced by ast_sip_report_auth_challenge_sent(), ast_sip_report_auth_failed_challenge_response(), ast_sip_report_auth_success(), ast_sip_report_failed_acl(), ast_sip_report_invalid_endpoint(), ast_sip_report_mem_limit(), ast_sip_report_req_no_support(), evt_gen_auth_method_not_allowed(), evt_gen_chal_resp_failed(), evt_gen_chal_sent(), evt_gen_failed_acl(), evt_gen_inval_acct_id(), evt_gen_inval_password(), evt_gen_inval_transport(), evt_gen_load_avg(), evt_gen_mem_limit(), evt_gen_req_bad_format(), evt_gen_req_no_support(), evt_gen_req_not_allowed(), evt_gen_session_limit(), evt_gen_successful_auth(), evt_gen_unexpected_addr(), report_auth_success(), report_failed_acl(), report_failed_challenge_response(), report_inval_password(), report_invalid_user(), report_req_bad_format(), report_req_not_allowed(), and report_session_limit().

ast_security_event_severity_get_name()

const char * ast_security_event_severity_get_name

(

const enum ast_security_event_severity

severity

)

Get the name of a security event severity.

Parameters

[in]

severity

security event severity

Return values

NULL	if severity is invalid
non-NULL	the name of the security event severity

Since

1.8

Definition at line 871 of file main/security_events.c.

{
    unsigned int i;
 
    for (i = 0; i < ARRAY_LEN(severities); i++) {
        if (severities[i].severity == severity) {
            return severities[i].str;
        }
    }
 
    return NULL;
}

References ARRAY_LEN, NULL, severities, and severity.

Referenced by alloc_security_event_json_object().

ast_security_stasis_init()

int ast_security_stasis_init

(

void

)

initializes stasis topic/event types for ast_security_topic and ast_security_event_type

Since

12

Return values

0	on success
-1	on failure

Definition at line 483 of file main/security_events.c.

{
    ast_register_cleanup(security_stasis_cleanup);
 
    security_topic = stasis_topic_create("security:all");
    if (!security_topic) {
        return -1;
    }
 
    if (STASIS_MESSAGE_TYPE_INIT(ast_security_event_type)) {
        return -1;
    }
 
 
    return 0;
}

References ast_register_cleanup(), security_stasis_cleanup(), security_topic, STASIS_MESSAGE_TYPE_INIT, and stasis_topic_create().

Referenced by asterisk_daemon().

ast_security_topic()

struct stasis_topic * ast_security_topic

(

void

)

A stasis_topic which publishes messages for security related issues.

Since

12

Returns

stasis_topic for security related issues.

Return values

NULL

on error

Definition at line 380 of file main/security_events.c.

{
    return security_topic;
}

References security_topic.

Referenced by acl_change_stasis_subscribe(), ast_res_pjsip_initialize_configuration(), common_config_load(), handle_security_event(), load_module(), manager_subscriptions_init(), publish_acl_change(), and rtp_reload().

check_event_type()

static int check_event_type ( const enum ast_security_event_type  event_type )

static

Definition at line 885 of file main/security_events.c.

{
    if ((unsigned int)event_type >= AST_SECURITY_EVENT_NUM_TYPES) {
        ast_log(LOG_ERROR, "Invalid security event type %u\n", event_type);
        return -1;
    }
 
    return 0;
}

References ast_log, AST_SECURITY_EVENT_NUM_TYPES, and LOG_ERROR.

Referenced by ast_security_event_get_name(), ast_security_event_get_optional_ies(), and ast_security_event_get_required_ies().

handle_security_event()

static int handle_security_event ( const struct ast_security_event_common *  sec )

static

Definition at line 1118 of file main/security_events.c.

{
    RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
    RAII_VAR(struct ast_json_payload *, json_payload, NULL, ao2_cleanup);
    RAII_VAR(struct ast_json *, json_object, NULL, ast_json_unref);
 
    const struct ast_security_event_ie_type *ies;
    unsigned int i;
 
    if (!ast_security_event_type()) {
        return -1;
    }
 
    json_object = alloc_security_event_json_object(sec);
    if (!json_object) {
        return -1;
    }
 
    for (ies = ast_security_event_get_required_ies(sec->event_type), i = 0;
            ies[i].ie_type != AST_EVENT_IE_END;
            i++) {
        if (add_json_object(json_object, sec, ies + i, REQUIRED)) {
            goto return_error;
        }
    }
 
    for (ies = ast_security_event_get_optional_ies(sec->event_type), i = 0;
            ies[i].ie_type != AST_EVENT_IE_END;
            i++) {
        if (add_json_object(json_object, sec, ies + i, NOT_REQUIRED)) {
            goto return_error;
        }
    }
 
    /* The json blob is ready.  Throw it in the payload and send it out over stasis. */
    if (!(json_payload = ast_json_payload_create(json_object))) {
        goto return_error;
    }
 
    msg = stasis_message_create(ast_security_event_type(), json_payload);
 
    if (!msg) {
        goto return_error;
    }
 
    stasis_publish(ast_security_topic(), msg);
 
    return 0;
 
return_error:
    return -1;
}

References add_json_object(), alloc_security_event_json_object(), ao2_cleanup, AST_EVENT_IE_END, ast_json_payload_create(), ast_json_unref(), ast_security_event_get_optional_ies(), ast_security_event_get_required_ies(), ast_security_topic(), ast_security_event_common::event_type, ast_security_event_ie_type::ie_type, NOT_REQUIRED, NULL, RAII_VAR, REQUIRED, stasis_message_create(), and stasis_publish().

Referenced by ast_security_event_report().

security_event_to_ami()

static struct ast_manager_event_blob * security_event_to_ami ( struct stasis_message *  message )

static

Definition at line 455 of file main/security_events.c.

{
    struct ast_json_payload *payload = stasis_message_data(message);
 
    if (stasis_message_type(message) != ast_security_event_type()) {
        return NULL;
    }
 
    if (!payload) {
        return NULL;
    }
 
    return security_event_to_ami_blob(payload->json);
}

References ast_json_payload::json, NULL, security_event_to_ami_blob(), stasis_message_data(), and stasis_message_type().

security_event_to_ami_blob()

static struct ast_manager_event_blob * security_event_to_ami_blob ( struct ast_json *  json )

static

Definition at line 420 of file main/security_events.c.

{
    RAII_VAR(struct ast_str *, str, NULL, ast_free);
    struct ast_json *event_type_json;
    enum ast_security_event_type event_type;
 
    event_type_json = ast_json_object_get(json, "SecurityEvent");
    event_type = ast_json_integer_get(event_type_json);
 
    ast_assert((unsigned int)event_type < AST_SECURITY_EVENT_NUM_TYPES);
 
    if (!(str = ast_str_create(SECURITY_EVENT_BUF_INIT_LEN))) {
        return NULL;
    }
 
    if (append_event_str_from_json(&str, json,
            ast_security_event_get_required_ies(event_type))) {
        ast_log(AST_LOG_ERROR, "Failed to issue a security event to AMI: "
            "error occurred when adding required event fields.\n");
        return NULL;
    }
 
    if (append_event_str_from_json(&str, json,
            ast_security_event_get_optional_ies(event_type))) {
        ast_log(AST_LOG_ERROR, "Failed to issue a security event to AMI: "
            "error occurred when adding optional event fields.\n");
        return NULL;
    }
 
    return ast_manager_event_blob_create(EVENT_FLAG_SECURITY,
        ast_security_event_get_name(event_type),
        "%s",
        ast_str_buffer(str));
}

References append_event_str_from_json(), ast_assert, ast_free, ast_json_integer_get(), ast_json_object_get(), ast_log, AST_LOG_ERROR, ast_manager_event_blob_create(), ast_security_event_get_name(), ast_security_event_get_optional_ies(), ast_security_event_get_required_ies(), AST_SECURITY_EVENT_NUM_TYPES, ast_str_buffer(), ast_str_create, EVENT_FLAG_SECURITY, NULL, RAII_VAR, SECURITY_EVENT_BUF_INIT_LEN, and str.

Referenced by security_event_to_ami().

security_stasis_cleanup()

static void security_stasis_cleanup ( void  )

static

Definition at line 475 of file main/security_events.c.

{
    ao2_cleanup(security_topic);
    security_topic = NULL;
 
    STASIS_MESSAGE_TYPE_CLEANUP(ast_security_event_type);
}

References ao2_cleanup, NULL, security_topic, and STASIS_MESSAGE_TYPE_CLEANUP.

Referenced by ast_security_stasis_init().

STASIS_MESSAGE_TYPE_DEFN()

STASIS_MESSAGE_TYPE_DEFN	(	ast_security_event_type	,
		.	to_ami = security_event_to_ami
	)

Message type for security events.

Variable Documentation

name

const char* name

Definition at line 501 of file main/security_events.c.

optional_ies

struct ast_security_event_ie_type optional_ies[MAX_SECURITY_IES]

Definition at line 506 of file main/security_events.c.

required_ies

struct ast_security_event_ie_type required_ies[MAX_SECURITY_IES]

Definition at line 505 of file main/security_events.c.

const struct { ... } sec_events[AST_SECURITY_EVENT_NUM_TYPES]

Referenced by alloc_security_event_json_object(), ast_security_event_get_name(), ast_security_event_get_optional_ies(), ast_security_event_get_required_ies(), and ast_security_event_report().

SECURITY_EVENT_BUF_INIT_LEN

const size_t SECURITY_EVENT_BUF_INIT_LEN = 256

static

Definition at line 375 of file main/security_events.c.

Referenced by security_event_to_ami_blob().

security_topic

struct stasis_topic* security_topic

static

Security Topic.

Definition at line 378 of file main/security_events.c.

Referenced by ast_security_stasis_init(), ast_security_topic(), and security_stasis_cleanup().

const struct { ... } severities[]

Initial value:

= {
    { AST_SECURITY_EVENT_SEVERITY_INFO,  "Informational" },
    { AST_SECURITY_EVENT_SEVERITY_ERROR, "Error" },
}

Referenced by ast_security_event_severity_get_name().

severity

enum ast_security_event_severity severity

Definition at line 503 of file main/security_events.c.

Referenced by ast_security_event_severity_get_name(), and tds_message_handler().

str

const char* str

Definition at line 865 of file main/security_events.c.

Referenced by add_json_object(), append_event_str_from_json(), append_event_str_single(), and security_event_to_ami_blob().

version

uint32_t version

Definition at line 502 of file main/security_events.c.