C++ RDEBUG3函数代码示例

/** Convert a pair of redis reply objects to a map
 *
 * The maps can then be applied using #map_to_request.
 *
 * @param[in,out] ctx to allocate maps in.
 * @param[out] out Where to write the head of the new maps list.
 * @param[in] request The current request.
 * @param[in] key to process.
 * @param[in] op to process.
 * @param[in] value to process.
 * @return
 *	- 0 on success.
 *	- -1 on failure.
 */
int fr_redis_reply_to_map(TALLOC_CTX *ctx, vp_map_t **out, REQUEST *request,
			  redisReply *key, redisReply *op, redisReply *value)
{
	vp_map_t	*map = NULL;
	ssize_t		slen;

	*out = NULL;

	if (key->type != REDIS_REPLY_STRING) {
		REDEBUG("Bad key type, expected string, got %s",
			fr_int2str(redis_reply_types, key->type, "<UNKNOWN>"));
	error:
		TALLOC_FREE(map);
		return -1;
	}

	if (op->type != REDIS_REPLY_STRING) {
		REDEBUG("Bad key type, expected string, got %s",
			fr_int2str(redis_reply_types, op->type, "<UNKNOWN>"));
		goto error;
	}

	RDEBUG3("Got key   : %s", key->str);
	RDEBUG3("Got op    : %s", op->str);
	RDEBUG3("Got value : %pV", fr_box_strvalue_len(value->str, value->len));

	map = talloc_zero(ctx, vp_map_t);
	slen = tmpl_afrom_attr_str(map, NULL, &map->lhs, key->str, &(vp_tmpl_rules_t){ .dict_def = request->dict });

USES_APPLE_DEPRECATED_API	/* OpenSSL API has been deprecated by Apple */

#define __STDC_WANT_LIB_EXT1__ 1
#include <string.h>

#include <openssl/hmac.h>

#include <freeradius-devel/util/sha1.h>
#include <freeradius-devel/tls/base.h>
#include <freeradius-devel/tls/missing.h>

#include "tls.h"
#include "base.h"
#include "attrs.h"

#define EAP_TLS_MPPE_KEY_LEN     32

/** Generate keys according to RFC 2716 and add to the reply
 *
 */
int eap_crypto_mppe_keys(REQUEST *request, SSL *ssl, char const *prf_label, size_t prf_label_len)
{
	uint8_t		out[4 * EAP_TLS_MPPE_KEY_LEN];
	uint8_t		*p;

	if (SSL_export_keying_material(ssl, out, sizeof(out), prf_label, prf_label_len, NULL, 0, 0) != 1) {
		tls_log_error(request, "Failed generating MPPE keys");
		return -1;
	}

	if (RDEBUG_ENABLED3) {
		uint8_t	random[SSL3_RANDOM_SIZE];
		size_t random_len;
		uint8_t	master_key[SSL_MAX_MASTER_KEY_LENGTH];
		size_t master_key_len;

		RDEBUG3("Key Derivation Function input");
		RINDENT();
		RDEBUG3("prf label          : %pV", fr_box_strvalue_len(prf_label, prf_label_len));
		master_key_len = SSL_SESSION_get_master_key(SSL_get_session(ssl), master_key, sizeof(master_key));
		RDEBUG3("master session key : %pH", fr_box_octets(master_key, master_key_len));
		random_len = SSL_get_client_random(ssl, random, SSL3_RANDOM_SIZE);
		RDEBUG3("client random      : %pH", fr_box_octets(random, random_len));
		random_len = SSL_get_server_random(ssl, random, SSL3_RANDOM_SIZE);
		RDEBUG3("server random      : %pH", fr_box_octets(random, random_len));
		REXDENT();
	}

	RDEBUG2("Adding session keys");
	p = out;
	eap_add_reply(request, attr_ms_mppe_recv_key, p, EAP_TLS_MPPE_KEY_LEN);
	p += EAP_TLS_MPPE_KEY_LEN;
	eap_add_reply(request, attr_ms_mppe_send_key, p, EAP_TLS_MPPE_KEY_LEN);

	eap_add_reply(request, attr_eap_msk, out, 64);
	eap_add_reply(request, attr_eap_emsk, out + 64, 64);

	return 0;
}

static int vector_gsm_from_triplets(eap_session_t *eap_session, VALUE_PAIR *vps,
				    int idx, fr_sim_keys_t *keys)
{
	REQUEST		*request = eap_session->request;
	VALUE_PAIR	*rand = NULL, *sres = NULL, *kc = NULL;
	fr_cursor_t	cursor;
	int		i;

	for (i = 0, (kc = fr_cursor_iter_by_da_init(&cursor, &vps, attr_eap_sim_kc));
	     (i < idx) && (kc = fr_cursor_next(&cursor));
	     i++);
	if (!kc) {
		RDEBUG3("No &control:%s[%i] attribute found, not using GSM triplets",
			attr_eap_sim_kc->name, idx);
		return 1;
	}
	if (kc->vp_length != SIM_VECTOR_GSM_KC_SIZE) {
		REDEBUG("&control:%s[%i] is not " STRINGIFY(SIM_VECTOR_GSM_KC_SIZE) " bytes, got %zu bytes",
			attr_eap_sim_kc->name, idx, kc->vp_length);
		return -1;
	}

	for (i = 0, (rand = fr_cursor_iter_by_da_init(&cursor, &vps, attr_eap_sim_rand));
	     (i < idx) && (rand = fr_cursor_next(&cursor));
	     i++);
	if (!rand) {
		RDEBUG3("No &control:%s[%i] attribute found, not using GSM triplets",
			attr_eap_sim_rand->name, idx);
		return 1;
	}
	if (rand->vp_length != SIM_VECTOR_GSM_RAND_SIZE) {
		REDEBUG("&control:EAP-SIM-Rand[%i] is not " STRINGIFY(SIM_RAND_SIZE) " bytes, got %zu bytes",
			idx, rand->vp_length);
		return -1;
	}

	for (i = 0, (sres = fr_cursor_iter_by_da_init(&cursor, &vps, attr_eap_sim_sres));
	     (i < idx) && (sres = fr_cursor_next(&cursor));
	     i++);
	if (!sres) {
		RDEBUG3("No &control:%s[%i] attribute found, not using GSM triplets",
			attr_eap_sim_sres->name, idx);
		return 1;
	}
	if (sres->vp_length != SIM_VECTOR_GSM_SRES_SIZE) {
		REDEBUG("&control:%s[%i] is not " STRINGIFY(SIM_VECTOR_GSM_SRES_SIZE) " bytes, got %zu bytes",
			attr_eap_sim_sres->name, idx, sres->vp_length);
		return -1;
	}

	memcpy(keys->gsm.vector[idx].kc, kc->vp_strvalue, SIM_VECTOR_GSM_KC_SIZE);
	memcpy(keys->gsm.vector[idx].rand, rand->vp_octets, SIM_VECTOR_GSM_RAND_SIZE);
	memcpy(keys->gsm.vector[idx].sres, sres->vp_octets, SIM_VECTOR_GSM_SRES_SIZE);

	return 0;
}

/*
 *	Compare prefix/suffix.
 *
 *	If they compare:
 *	- if FR_STRIP_USER_NAME is present in check_list,
 *	  strip the username of prefix/suffix.
 *	- if FR_STRIP_USER_NAME is not present in check_list,
 *	  add a FR_STRIPPED_USER_NAME to the request.
 */
static int prefix_suffix_cmp(UNUSED void *instance,
			     REQUEST *request,
			     VALUE_PAIR *req,
			     VALUE_PAIR *check,
			     VALUE_PAIR *check_list,
			     UNUSED VALUE_PAIR **reply_list)
{
	VALUE_PAIR	*vp;
	char const	*name;
	char		rest[FR_MAX_STRING_LEN];
	int		len, namelen;
	int		ret = -1;

	if (!request || !request->username) return -1;

	VP_VERIFY(check);

	name = request->username->vp_strvalue;

	RDEBUG3("Comparing name \"%s\" and check value \"%s\"", name, check->vp_strvalue);

	len = strlen(check->vp_strvalue);

	if (check->da == attr_prefix) {
		ret = strncmp(name, check->vp_strvalue, len);
		if (ret == 0)
			strlcpy(rest, name + len, sizeof(rest));
	} else if (check->da == attr_suffix) {
		namelen = strlen(name);
		if (namelen >= len) {
			ret = strcmp(name + namelen - len, check->vp_strvalue);
			if (ret == 0) strlcpy(rest, name, namelen - len + 1);
		}
	}

	if (ret != 0) return ret;

	/*
	 *	If Strip-User-Name == No, then don't do any more.
	 */
	vp = fr_pair_find_by_da(check_list, attr_strip_user_name, TAG_ANY);
	if (vp && !vp->vp_uint32) return ret;

	/*
	 *	See where to put the stripped user name.
	 */
	vp = fr_pair_find_by_da(check_list, attr_stripped_user_name, TAG_ANY);
	if (!vp) {
		/*
		 *	If "request" is NULL, then the memory will be
		 *	lost!
		 */
		MEM(vp = fr_pair_afrom_da(request->packet, attr_stripped_user_name));
		fr_pair_add(&req, vp);
		request->username = vp;
	}
	fr_pair_value_strcpy(vp, rest);

	return ret;
}

static int tls_socket_write(rad_listen_t *listener, REQUEST *request)
{
	uint8_t *p;
	ssize_t rcode;
	listen_socket_t *sock = listener->data;

	p = sock->ssn->dirty_out.data;
	
	while (p < (sock->ssn->dirty_out.data + sock->ssn->dirty_out.used)) {
		RDEBUG3("Writing to socket %d", request->packet->sockfd);
		rcode = write(request->packet->sockfd, p,
			      (sock->ssn->dirty_out.data + sock->ssn->dirty_out.used) - p);
		if (rcode <= 0) {
			RDEBUG("Error writing to TLS socket: %s", strerror(errno));
			
			tls_socket_close(listener);
			return 0;
		}
		p += rcode;
	}

	sock->ssn->dirty_out.used = 0;
	
	return 1;
}

static void check_pair(REQUEST *request, VALUE_PAIR *check_item, VALUE_PAIR *reply_item, int *pass, int *fail)
{
	int compare;

	if (check_item->op == T_OP_SET) return;

	compare = paircmp(check_item, reply_item);
	if (compare < 0) {
		REDEBUG("Comparison failed: %s", fr_strerror());
	}

	if (compare == 1) {
		++*(pass);
	} else {
		++*(fail);
	}

	if (RDEBUG_ENABLED3) {
		char rule[1024], pair[1024];

		vp_prints(rule, sizeof(rule), check_item);
		vp_prints(pair, sizeof(pair), reply_item);
		RDEBUG3("%s %s %s", pair, compare == 1 ? "allowed by" : "disallowed by", rule);
	}

	return;
}

/** Called resume_at the delay is complete, and we're running from the interpreter
 *
 */
static rlm_rcode_t mod_delay_return(REQUEST *request,
				    UNUSED void *instance, UNUSED void *thread, void *ctx)
{
	struct timeval *yielded = talloc_get_type_abort(ctx, struct timeval);

	/*
	 *	Print how long the delay *really* was.
	 */
	if (RDEBUG_ENABLED3) {
		struct timeval delayed, now;

		gettimeofday(&now, NULL);
		fr_timeval_subtract(&delayed, &now, yielded);

		RDEBUG3("Request delayed by %pV", fr_box_timeval(delayed));
	}
	talloc_free(yielded);

	return RLM_MODULE_OK;
}

static inline VALUE_PAIR *tls_session_cert_attr_add(TALLOC_CTX *ctx, REQUEST *request, fr_cursor_t *cursor,
					    	    int attr, int attr_index, char const *value)
{
	VALUE_PAIR *vp;
	fr_dict_attr_t const *da = *(cert_attr_names[attr][attr_index]);

	MEM(vp = fr_pair_afrom_da(ctx, da));
	if (value) {
		if (fr_pair_value_from_str(vp, value, -1, '\0', true) < 0) {
			RPWDEBUG("Failed creating attribute %s", da->name);
			talloc_free(vp);
			return NULL;
		}
	}
	RINDENT();
	RDEBUG3("%pP", vp);
	REXDENT();
	fr_cursor_append(cursor, vp);

	return vp;
}

static xlat_action_t xlat_delay_resume(TALLOC_CTX *ctx, fr_cursor_t *out,
				       REQUEST *request,
				       UNUSED void const *xlat_inst, UNUSED void *xlat_thread_inst,
				       UNUSED fr_value_box_t **in, void *rctx)
{
	struct timeval	*yielded_at = talloc_get_type_abort(rctx, struct timeval);
	struct timeval	delayed, now;
	fr_value_box_t	*vb;

	gettimeofday(&now, NULL);
	fr_timeval_subtract(&delayed, &now, yielded_at);
	talloc_free(yielded_at);

	RDEBUG3("Request delayed by %pVs", fr_box_timeval(delayed));

	MEM(vb = fr_value_box_alloc(ctx, FR_TYPE_TIMEVAL, NULL, false));
	vb->vb_timeval = delayed;

	fr_cursor_insert(out, vb);

	return XLAT_ACTION_DONE;
}

static rlm_rcode_t CC_HINT(nonnull) mod_delay(void *instance, UNUSED void *thread, REQUEST *request)
{
	rlm_delay_t const	*inst = instance;
	struct timeval		delay, resume_at, *yielded_at;

	if (inst->delay) {
		if (tmpl_aexpand(request, &delay, request, inst->delay, NULL, NULL) < 0) return RLM_MODULE_FAIL;
	} else {
		memset(&delay, 0, sizeof(delay));
	}

	/*
	 *	Record the time that we yielded the request
	 */
	MEM(yielded_at = talloc(request, struct timeval));
	if (gettimeofday(yielded_at, NULL) < 0) {
		REDEBUG("Failed getting current time: %s", fr_syserror(errno));
		return RLM_MODULE_FAIL;
	}

	/*
	 *	Setup the delay for this request
	 */
	if (delay_add(request, &resume_at, yielded_at, &delay, inst->force_reschedule, inst->delay) != 0) {
		return RLM_MODULE_NOOP;
	}

	RDEBUG3("Current time %pV, resume time %pV", fr_box_timeval(*yielded_at), fr_box_timeval(resume_at));

	if (unlang_event_module_timeout_add(request, _delay_done, yielded_at, &resume_at) < 0) {
		RPEDEBUG("Adding event failed");
		return RLM_MODULE_FAIL;
	}

	return unlang_module_yield(request, mod_delay_return, mod_delay_cancel, yielded_at);
}

/*
 *	The S flag is set only within the EAP-TLS start message sent
 *	from the EAP server to the peer.
 *
 *	Similarly, when the EAP server receives an EAP-Response with
 *	the M bit set, it MUST respond with an EAP-Request with
 *	EAP-Type=EAP-TLS and no data. This serves as a fragment
 *	ACK. The EAP peer MUST wait.
 */
static fr_tls_status_t eaptls_verify(eap_handler_t *handler)
{
	EAP_DS			*eap_ds = handler->eap_ds;
	tls_session_t		*tls_session = handler->opaque;
	EAP_DS			*prev_eap_ds = handler->prev_eap_ds;
	eaptls_packet_t		*eaptls_packet;
	REQUEST			*request = handler->request;
	size_t			frag_len;

	/*
	 *	We don't check ANY of the input parameters.  It's all
	 *	code which works together, so if something is wrong,
	 *	we SHOULD core dump.
	 *
	 *	e.g. if eap_ds is NULL, of if eap_ds->response is
	 *	NULL, of if it's NOT an EAP-Response, or if the packet
	 *	is too short.  See eap_validation()., in ../../eap.c
	 */
	eaptls_packet = (eaptls_packet_t *)eap_ds->response->type.data;

	/*
	 *	First output the flags (for debugging)
	 */
	RDEBUG3("Peer sent flags %c%c%c",
		TLS_START(eaptls_packet->flags) ? 'S' : '-',
		TLS_MORE_FRAGMENTS(eaptls_packet->flags) ? 'M' : '-',
		TLS_LENGTH_INCLUDED(eaptls_packet->flags) ? 'L' : '-');

	/*
	 *	check for ACK
	 *
	 *	If there's no TLS data, or there's 1 byte of TLS data,
	 *	with the flags set to zero, then it's an ACK.
	 *
	 *	Find if this is a reply to the previous request sent
	 */
	if ((!eaptls_packet) ||
	    ((eap_ds->response->length == EAP_HEADER_LEN + 2) &&
	     ((eaptls_packet->flags & 0xc0) == 0x00))) {
		if (prev_eap_ds && (prev_eap_ds->request->id == eap_ds->response->id)) {
			return tls_ack_handler(handler->opaque, request);
		} else {
			REDEBUG("Received Invalid TLS ACK");
			return FR_TLS_INVALID;
		}
	}

	/*
	 *	We send TLS_START, but do not receive it.
	 */
	if (TLS_START(eaptls_packet->flags)) {
		REDEBUG("Peer sent EAP-TLS Start message (only the server is allowed to do this)");
		return FR_TLS_INVALID;
	}

	/*
	 *	Calculate this fragment's length
	 */
	frag_len = eap_ds->response->length -
		   (EAP_HEADER_LEN + (TLS_LENGTH_INCLUDED(eaptls_packet->flags) ? 6 : 2));

	/*
	 *	The L bit (length included) is set to indicate the
	 *	presence of the four octet TLS Message Length field,
	 *	and MUST be set for the first fragment of a fragmented
	 *	TLS message or set of messages.
	 *
	 *	The M bit (more fragments) is set on all but the last
	 *	fragment.
	 *
	 *	The S bit (EAP-TLS start) is set in an EAP-TLS Start
	 *	message. This differentiates the EAP-TLS Start message
	 *	from a fragment acknowledgement.
	 */
	if (TLS_LENGTH_INCLUDED(eaptls_packet->flags)) {
		size_t total_len = eaptls_packet->data[2] * 256 | eaptls_packet->data[3];

		if (frag_len > total_len) {
			REDEBUG("TLS fragment length (%zu bytes) greater than TLS record length (%zu bytes)", frag_len,
				total_len);
			return FR_TLS_INVALID;
		}

		if (tls_session->tls_record_transfer_started) {
			REDEBUG("TLS Length Included (L) flag set, which indicates a new fragment transfer, "
				"but previous transfer was not complete");
			return FR_TLS_INVALID;
		}

		/*
		 *	This is the first fragment of a fragmented TLS record transfer.
//.........这里部分代码省略.........

/*
 *	*presult is "did comparison match or not"
 */
static int radius_do_cmp(REQUEST *request, int *presult,
			 FR_TOKEN lt, const char *pleft, FR_TOKEN token,
			 FR_TOKEN rt, const char *pright,
			 int cflags, int modreturn)
{
	int result;
	uint32_t lint, rint;
	VALUE_PAIR *vp = NULL;
#ifdef HAVE_REGEX_H
	char buffer[8192];
#else
	cflags = cflags;	/* -Wunused */
#endif

	rt = rt;		/* -Wunused */

	if (lt == T_BARE_WORD) {
		/*
		 *	Maybe check the last return code.
		 */
		if (token == T_OP_CMP_TRUE) {
			int isreturn;

			/*
			 *	Looks like a return code, treat is as such.
			 */
			isreturn = fr_str2int(modreturn_table, pleft, -1);
			if (isreturn != -1) {
				*presult = (modreturn == isreturn);
				return TRUE;
			}
		}

		/*
		 *	Bare words on the left can be attribute names.
		 */
		if (radius_get_vp(request, pleft, &vp)) {
			VALUE_PAIR myvp;

			/*
			 *	VP exists, and that's all we're looking for.
			 */
			if (token == T_OP_CMP_TRUE) {
				*presult = (vp != NULL);
				return TRUE;
			}

			if (!vp) {
				DICT_ATTR *da;
				
				/*
				 *	The attribute on the LHS may
				 *	have been a dynamically
				 *	registered callback.  i.e. it
				 *	doesn't exist as a VALUE_PAIR.
				 *	If so, try looking for it.
				 */
				da = dict_attrbyname(pleft);
				if (da && (da->vendor == 0) && radius_find_compare(da->attr)) {
					VALUE_PAIR *check = pairmake(pleft, pright, token);
					*presult = (radius_callback_compare(request, NULL, check, NULL, NULL) == 0);
					RDEBUG3("  Callback returns %d",
						*presult);
					pairfree(&check);
					return TRUE;
				}
				
				RDEBUG2("    (Attribute %s was not found)",
				       pleft);
				*presult = 0;
				return TRUE;
			}

#ifdef HAVE_REGEX_H
			/*
			 * 	Regex comparisons treat everything as
			 *	strings.
			 */
			if ((token == T_OP_REG_EQ) ||
			    (token == T_OP_REG_NE)) {
				vp_prints_value(buffer, sizeof(buffer), vp, 0);
				pleft = buffer;
				goto do_checks;
			}
#endif

			memcpy(&myvp, vp, sizeof(myvp));
			if (!pairparsevalue(&myvp, pright)) {
				RDEBUG2("Failed parsing \"%s\": %s",
				       pright, fr_strerror());
				return FALSE;
			}

			myvp.operator = token;
			*presult = paircmp(&myvp, vp);
			RDEBUG3("  paircmp -> %d", *presult);
			return TRUE;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		}

		if (rows == 0) {
			goto skipreply;
		}

		if (!inst->config->read_groups) {
			dofallthrough = fallthrough(reply_tmp);
		}

		RDEBUG2("User found in radreply table");
		user_found = true;
		radius_pairmove(request, &request->reply->vps, reply_tmp, true);
		rcode = RLM_MODULE_OK;
	}

	skipreply:

	/*
	 *	Clear out the pairlists
	 */
	pairfree(&check_tmp);
	pairfree(&reply_tmp);

	/*
	 *	dofallthrough is set to 1 by default so that if the user information
	 *	is not found, we will still process groups.  If the user information,
	 *	however, *is* found, Fall-Through must be set in order to process
	 *	the groups as well.
	 */
	if (dofallthrough) {
		rlm_rcode_t ret;

		RDEBUG3("... falling-through to group processing");
		ret = rlm_sql_process_groups(inst, request, handle, &dofallthrough);
		switch (ret) {
			/*
			 *	Nothing bad happened, continue...
			 */
			case RLM_MODULE_UPDATED:
				rcode = RLM_MODULE_UPDATED;
				/* FALL-THROUGH */
			case RLM_MODULE_OK:
				if (rcode != RLM_MODULE_UPDATED) {
					rcode = RLM_MODULE_OK;
				}
				/* FALL-THROUGH */
			case RLM_MODULE_NOOP:
				user_found = true;
				break;

			case RLM_MODULE_NOTFOUND:
				break;

			default:
				rcode = ret;
				goto release;
		}
	}

	/*
	 *	Repeat the above process with the default profile or User-Profile
	 */
	if (dofallthrough) {
		rlm_rcode_t ret;

static ssize_t redis_xlat(UNUSED TALLOC_CTX *ctx, char **out, size_t outlen,
			  void const *mod_inst, UNUSED void const *xlat_inst,
			  REQUEST *request, char const *fmt)
{
	rlm_redis_t const	*inst = mod_inst;
	fr_redis_conn_t		*conn;

	bool			read_only = false;
	uint8_t	const		*key = NULL;
	size_t			key_len = 0;

	fr_redis_cluster_state_t	state;
	fr_redis_rcode_t		status;
	redisReply		*reply = NULL;
	int			s_ret;

	size_t			len;
	int			ret;

	char const		*p = fmt, *q;

	int			argc;
	char const		*argv[MAX_REDIS_ARGS];
	char			argv_buf[MAX_REDIS_COMMAND_LEN];

	if (p[0] == '-') {
		p++;
		read_only = true;
	}

	/*
	 *	Hack to allow querying against a specific node for testing
	 */
	if (p[0] == '@') {
		fr_socket_addr_t	node_addr;
		fr_pool_t	*pool;

		RDEBUG3("Overriding node selection");

		p++;
		q = strchr(p, ' ');
		if (!q) {
			REDEBUG("Found node specifier but no command, format is [-][@<host>[:port]] <redis command>");
			return -1;
		}

		if (fr_inet_pton_port(&node_addr.ipaddr, &node_addr.port, p, q - p, AF_UNSPEC, true, true) < 0) {
			RPEDEBUG("Failed parsing node address");
			return -1;
		}

		p = q + 1;

		if (fr_redis_cluster_pool_by_node_addr(&pool, inst->cluster, &node_addr, true) < 0) {
			RPEDEBUG("Failed locating cluster node");
			return -1;
		}

		conn = fr_pool_connection_get(pool, request);
		if (!conn) {
			REDEBUG("No connections available for cluster node");
			return -1;
		}

		argc = rad_expand_xlat(request, p, MAX_REDIS_ARGS, argv, false, sizeof(argv_buf), argv_buf);
		if (argc <= 0) {
			RPEDEBUG("Invalid command: %s", p);
		arg_error:
			fr_pool_connection_release(pool, request, conn);
			return -1;
		}
		if (argc >= (MAX_REDIS_ARGS - 1)) {
			RPEDEBUG("Too many parameters; increase MAX_REDIS_ARGS and recompile: %s", p);
			goto arg_error;
		}

		RDEBUG2("Executing command: %s", argv[0]);
		if (argc > 1) {
			RDEBUG2("With argments");
			RINDENT();
			for (int i = 1; i < argc; i++) RDEBUG2("[%i] %s", i, argv[i]);
			REXDENT();
		}

		if (!read_only) {
			reply = redisCommandArgv(conn->handle, argc, argv, NULL);
			status = fr_redis_command_status(conn, reply);
		} else if (redis_command_read_only(&status, &reply, request, conn, argc, argv) == -2) {
			goto close_conn;
		}

		if (!reply) goto fail;

		switch (status) {
		case REDIS_RCODE_SUCCESS:
			goto reply_parse;

		case REDIS_RCODE_RECONNECT:
		close_conn:
			fr_pool_connection_close(pool, request, conn);
//.........这里部分代码省略.........

/** Handle authorization requests using Couchbase document data
 *
 * Attempt to fetch the document assocaited with the requested user by
 * using the deterministic key defined in the configuration.  When a valid
 * document is found it will be parsed and the containing value pairs will be
 * injected into the request.
 *
 * @param instance	The module instance.
 * @param thread	specific data.
 * @param request	The authorization request.
 * @return Operation status (#rlm_rcode_t).
 */
static rlm_rcode_t mod_authorize(void *instance, UNUSED void *thread, REQUEST *request)
{
	rlm_couchbase_t const	*inst = instance;		/* our module instance */
	rlm_couchbase_handle_t	*handle = NULL;			/* connection pool handle */
	char			buffer[MAX_KEY_SIZE];
	char const		*dockey;			/* our document key */
	lcb_error_t		cb_error = LCB_SUCCESS;		/* couchbase error holder */
	rlm_rcode_t		rcode = RLM_MODULE_OK;		/* return code */
	ssize_t			slen;

	/* assert packet as not null */
	rad_assert(request->packet != NULL);

	/* attempt to build document key */
	slen = tmpl_expand(&dockey, buffer, sizeof(buffer), request, inst->user_key, NULL, NULL);
	if (slen < 0) return RLM_MODULE_FAIL;
	if ((dockey == buffer) && is_truncated((size_t)slen, sizeof(buffer))) {
		REDEBUG("Key too long, expected < " STRINGIFY(sizeof(buffer)) " bytes, got %zi bytes", slen);
		return RLM_MODULE_FAIL;
	}

	/* get handle */
	handle = fr_pool_connection_get(inst->pool, request);

	/* check handle */
	if (!handle) return RLM_MODULE_FAIL;

	/* set couchbase instance */
	lcb_t cb_inst = handle->handle;

	/* set cookie */
	cookie_t *cookie = handle->cookie;

	/* fetch document */
	cb_error = couchbase_get_key(cb_inst, cookie, dockey);

	/* check error */
	if (cb_error != LCB_SUCCESS || !cookie->jobj) {
		/* log error */
		RERROR("failed to fetch document or parse return");
		/* set return */
		rcode = RLM_MODULE_FAIL;
		/* return */
		goto finish;
	}

	/* debugging */
	RDEBUG3("parsed user document == %s", json_object_to_json_string(cookie->jobj));

	{
		TALLOC_CTX	*pool = talloc_pool(request, 1024);	/* We need to do lots of allocs */
		fr_cursor_t	maps, vlms;
		vp_map_t	*map_head = NULL, *map;
		vp_list_mod_t	*vlm_head = NULL, *vlm;

		fr_cursor_init(&maps, &map_head);

		/*
		 *	Convert JSON data into maps
		 */
		if ((mod_json_object_to_map(pool, &maps, request, cookie->jobj, PAIR_LIST_CONTROL) < 0) ||
		    (mod_json_object_to_map(pool, &maps, request, cookie->jobj, PAIR_LIST_REPLY) < 0) ||
		    (mod_json_object_to_map(pool, &maps, request, cookie->jobj, PAIR_LIST_REQUEST) < 0) ||
		    (mod_json_object_to_map(pool, &maps, request, cookie->jobj, PAIR_LIST_STATE) < 0)) {
		invalid:
			talloc_free(pool);
			rcode = RLM_MODULE_INVALID;
			goto finish;
		}

		fr_cursor_init(&vlms, &vlm_head);

		/*
		 *	Convert all the maps into list modifications,
		 *	which are guaranteed to succeed.
		 */
		for (map = fr_cursor_head(&maps);
		     map;
		     map = fr_cursor_next(&maps)) {
			if (map_to_list_mod(pool, &vlm, request, map, NULL, NULL) < 0) goto invalid;
			fr_cursor_insert(&vlms, vlm);
		}

		if (!vlm_head) {
			RDEBUG2("Nothing to update");
			talloc_free(pool);
			rcode = RLM_MODULE_NOOP;
			goto finish;
//.........这里部分代码省略.........