static int
cnt_recv(struct sess *sp)
{

    CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
    CHECK_OBJ_NOTNULL(sp->vcl, VCL_CONF_MAGIC);
    AZ(sp->obj);

    SES_ResetBackendTimeouts(sp);

    /* By default we use the first backend */
    AZ(sp->director);
    sp->director = sp->vcl->director[0];
    AN(sp->director);

    sp->disable_esi = 0;

    VCL_recv_method(sp);
    if (sp->restarts >= params->max_restarts) {
        if (sp->err_code == 0)
            sp->err_code = 503;
        sp->step = STP_ERROR;
        return (0);
    }

    if (!strcmp(sp->http->hd[HTTP_HDR_REQ].b, "HEAD")) {
        sp->wantbody = 0;
        http_ForceGet(sp->http);
    } else
        sp->wantbody = 1;

    sp->sendbody = 0;
    switch(sp->handling) {
    case VCL_RET_LOOKUP:
        /* XXX: discard req body, if any */
        sp->step = STP_LOOKUP;
        return (0);
    case VCL_RET_PIPE:
        if (sp->esis > 0) {
            /* XXX: VSL something */
            INCOMPL();
            /* sp->step = STP_DONE; */
            return (1);
        }
        sp->step = STP_PIPE;
        return (0);
    case VCL_RET_PASS:
        sp->step = STP_PASS;
        return (0);
    case VCL_RET_ERROR:
        /* XXX: discard req body, if any */
        sp->step = STP_ERROR;
        return (0);
    default:
        WRONG("Illegal action in vcl_recv{}");
    }
}
Example #2
0
static enum req_fsm_nxt
cnt_recv(struct worker *wrk, struct req *req)
{
	unsigned recv_handling;
	struct SHA256Context sha256ctx;
	const char *xff;
	const char *ci, *cp;

	CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
	CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
	AN(req->vcl);
	AZ(req->objcore);
	AZ(req->err_code);

	AZ(isnan(req->t_first));
	AZ(isnan(req->t_prev));
	AZ(isnan(req->t_req));

	ci = SES_Get_String_Attr(req->sp, SA_CLIENT_IP);
	cp = SES_Get_String_Attr(req->sp, SA_CLIENT_PORT);
	VSLb(req->vsl, SLT_ReqStart, "%s %s", ci, cp);

	http_VSL_log(req->http);

	if (req->restarts == 0) {
		/*
		 * This really should be done earlier, but we want to capture
		 * it in the VSL log.
		 */
		http_CollectHdr(req->http, H_X_Forwarded_For);
		if (http_GetHdr(req->http, H_X_Forwarded_For, &xff)) {
			http_Unset(req->http, H_X_Forwarded_For);
			http_PrintfHeader(req->http, "X-Forwarded-For: %s, %s",
			    xff, ci);
		} else {
			http_PrintfHeader(req->http, "X-Forwarded-For: %s", ci);
		}
	}

	/* By default we use the first backend */
	AZ(req->director_hint);
	req->director_hint = VCL_DefaultDirector(req->vcl);
	AN(req->director_hint);

	req->d_ttl = -1;
	req->disable_esi = 0;
	req->hash_always_miss = 0;
	req->hash_ignore_busy = 0;
	req->client_identity = NULL;

	http_CollectHdr(req->http, H_Cache_Control);

	VFP_Setup(req->htc->vfc);
	req->htc->vfc->http = req->http;
	req->htc->vfc->wrk = wrk;
	if (req->transport->req_body != NULL) {
		req->transport->req_body(req);

		if (req->req_body_status == REQ_BODY_FAIL) {
			req->doclose = SC_OVERLOAD;
			return (REQ_FSM_DONE);
		}
	}

	VCL_recv_method(req->vcl, wrk, req, NULL, NULL);

	/* Attempts to cache req.body may fail */
	if (req->req_body_status == REQ_BODY_FAIL) {
		req->doclose = SC_RX_BODY;
		return (REQ_FSM_DONE);
	}

	recv_handling = wrk->handling;

	/* We wash the A-E header here for the sake of VRY */
	if (cache_param->http_gzip_support &&
	     (recv_handling != VCL_RET_PIPE) &&
	     (recv_handling != VCL_RET_PASS)) {
		if (RFC2616_Req_Gzip(req->http)) {
			http_ForceHeader(req->http, H_Accept_Encoding, "gzip");
		} else {
			http_Unset(req->http, H_Accept_Encoding);
		}
	}

	SHA256_Init(&sha256ctx);
	VCL_hash_method(req->vcl, wrk, req, NULL, &sha256ctx);
	assert(wrk->handling == VCL_RET_LOOKUP);
	SHA256_Final(req->digest, &sha256ctx);

	switch(recv_handling) {
	case VCL_RET_PURGE:
		req->req_step = R_STP_PURGE;
		return (REQ_FSM_MORE);
	case VCL_RET_HASH:
		req->req_step = R_STP_LOOKUP;
		return (REQ_FSM_MORE);
	case VCL_RET_PIPE:
		if (req->esi_level == 0) {
			req->req_step = R_STP_PIPE;
			return (REQ_FSM_MORE);
		}
		VSLb(req->vsl, SLT_VCL_Error,
		    "vcl_recv{} returns pipe for ESI included object."
		    "  Doing pass.");
		req->req_step = R_STP_PASS;
		return (REQ_FSM_DONE);
	case VCL_RET_PASS:
		req->req_step = R_STP_PASS;
		return (REQ_FSM_MORE);
	case VCL_RET_SYNTH:
		req->req_step = R_STP_SYNTH;
		return (REQ_FSM_MORE);
	default:
		WRONG("Illegal return from vcl_recv{}");
	}
}
Example #3
0
static int
cnt_recv(const struct worker *wrk, struct req *req)
{
	unsigned recv_handling;
	struct SHA256Context sha256ctx;

	CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
	CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
	CHECK_OBJ_NOTNULL(req->vcl, VCL_CONF_MAGIC);
	AZ(req->obj);
	AZ(req->busyobj);

	VSLb(req->vsl, SLT_ReqStart, "%s %s", req->sp->addr, req->sp->port);

	if (req->err_code) {
		req->req_step = R_STP_ERROR;
		return (0);
	}

	/* By default we use the first backend */
	AZ(req->director);
	req->director = req->vcl->director[0];
	AN(req->director);

	EXP_Clr(&req->exp);

	req->disable_esi = 0;
	req->hash_always_miss = 0;
	req->hash_ignore_busy = 0;
	req->client_identity = NULL;

	http_CollectHdr(req->http, H_Cache_Control);

	VCL_recv_method(req);
	recv_handling = req->handling;

	if (cache_param->http_gzip_support &&
	     (recv_handling != VCL_RET_PIPE) &&
	     (recv_handling != VCL_RET_PASS)) {
		if (RFC2616_Req_Gzip(req->http)) {
			http_Unset(req->http, H_Accept_Encoding);
			http_SetHeader(req->http, "Accept-Encoding: gzip");
		} else {
			http_Unset(req->http, H_Accept_Encoding);
		}
	}

	req->sha256ctx = &sha256ctx;	/* so HSH_AddString() can find it */
	SHA256_Init(req->sha256ctx);
	VCL_hash_method(req);
	assert(req->handling == VCL_RET_HASH);
	SHA256_Final(req->digest, req->sha256ctx);
	req->sha256ctx = NULL;

	if (!strcmp(req->http->hd[HTTP_HDR_REQ].b, "HEAD"))
		req->wantbody = 0;
	else
		req->wantbody = 1;

	switch(recv_handling) {
	case VCL_RET_LOOKUP:
		req->req_step = R_STP_LOOKUP;
		return (0);
	case VCL_RET_PIPE:
		if (req->esi_level > 0) {
			/* XXX: VSL something */
			INCOMPL();
			return (1);
		}
		req->req_step = R_STP_PIPE;
		return (0);
	case VCL_RET_PASS:
		req->req_step = R_STP_PASS;
		return (0);
	case VCL_RET_ERROR:
		req->req_step = R_STP_ERROR;
		return (0);
	default:
		WRONG("Illegal action in vcl_recv{}");
	}
}
Example #4
0
static enum req_fsm_nxt
cnt_recv(struct worker *wrk, struct req *req)
{
	unsigned recv_handling;
	struct SHA256Context sha256ctx;
	char *xff;

	CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
	CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
	CHECK_OBJ_NOTNULL(req->vcl, VCL_CONF_MAGIC);
	AZ(req->objcore);
	AZ(req->obj);
	AZ(req->objcore);

	AZ(isnan(req->t_first));
	AZ(isnan(req->t_prev));
	AZ(isnan(req->t_req));

	VSLb(req->vsl, SLT_ReqStart, "%s %s",
	    req->sp->client_addr_str, req->sp->client_port_str);

	http_VSL_log(req->http);

	if (req->err_code) {
		req->req_step = R_STP_SYNTH;
		return (REQ_FSM_MORE);
	}

	/* By default we use the first backend */
	AZ(req->director_hint);
	req->director_hint = req->vcl->director[0];
	AN(req->director_hint);

	req->d_ttl = -1;
	req->disable_esi = 0;
	req->hash_always_miss = 0;
	req->hash_ignore_busy = 0;
	req->client_identity = NULL;
	if (req->restarts == 0) {
		if (http_GetHdr(req->http, H_X_Forwarded_For, &xff)) {
			http_Unset(req->http, H_X_Forwarded_For);
			http_PrintfHeader(req->http, "X-Forwarded-For: %s, %s", xff,
					  req->sp->client_addr_str);
		} else {
			http_PrintfHeader(req->http, "X-Forwarded-For: %s",
					  req->sp->client_addr_str);
		}
	}

	http_CollectHdr(req->http, H_Cache_Control);

	VCL_recv_method(req->vcl, wrk, req, NULL, req->http->ws);

	/* Attempts to cache req.body may fail */
	if (req->req_body_status == REQ_BODY_FAIL) {
		return (REQ_FSM_DONE);
	}
	recv_handling = wrk->handling;

	/* We wash the A-E header here for the sake of VRY */
	if (cache_param->http_gzip_support &&
	     (recv_handling != VCL_RET_PIPE) &&
	     (recv_handling != VCL_RET_PASS)) {
		if (RFC2616_Req_Gzip(req->http)) {
			http_ForceHeader(req->http, H_Accept_Encoding, "gzip");
		} else {
			http_Unset(req->http, H_Accept_Encoding);
		}
	}

	req->sha256ctx = &sha256ctx;	/* so HSH_AddString() can find it */
	SHA256_Init(req->sha256ctx);
	VCL_hash_method(req->vcl, wrk, req, NULL, req->http->ws);
	assert(wrk->handling == VCL_RET_LOOKUP);
	SHA256_Final(req->digest, req->sha256ctx);
	req->sha256ctx = NULL;

	if (!strcmp(req->http->hd[HTTP_HDR_METHOD].b, "HEAD"))
		req->wantbody = 0;
	else
		req->wantbody = 1;

	switch(recv_handling) {
	case VCL_RET_PURGE:
		req->req_step = R_STP_PURGE;
		return (REQ_FSM_MORE);
	case VCL_RET_HASH:
		req->req_step = R_STP_LOOKUP;
		return (REQ_FSM_MORE);
	case VCL_RET_PIPE:
		if (req->esi_level == 0) {
			req->req_step = R_STP_PIPE;
			return (REQ_FSM_MORE);
		}
		VSLb(req->vsl, SLT_VCL_Error,
		    "vcl_recv{} returns pipe for ESI included object."
		    "  Doing pass.");
		req->req_step = R_STP_PASS;
		return (REQ_FSM_DONE);
	case VCL_RET_PASS:
		req->req_step = R_STP_PASS;
		return (REQ_FSM_MORE);
	case VCL_RET_SYNTH:
		req->req_step = R_STP_SYNTH;
		return (REQ_FSM_MORE);
	default:
		WRONG("Illegal return from vcl_recv{}");
	}
}
Example #5
0
static enum req_fsm_nxt
cnt_recv(struct worker *wrk, struct req *req)
{
	unsigned recv_handling;
	struct SHA256Context sha256ctx;

	CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
	CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
	CHECK_OBJ_NOTNULL(req->vcl, VCL_CONF_MAGIC);
	AZ(req->objcore);
	AZ(req->obj);
	AZ(req->objcore);

	VSLb(req->vsl, SLT_ReqStart, "%s %s", req->sp->addr, req->sp->port);

	if (req->err_code) {
		req->req_step = R_STP_ERROR;
		return (REQ_FSM_MORE);
	}

	/* By default we use the first backend */
	AZ(req->director);
	req->director = req->vcl->director[0];
	AN(req->director);

	EXP_Clr(&req->exp);

	req->disable_esi = 0;
	req->hash_always_miss = 0;
	req->hash_ignore_busy = 0;
	req->client_identity = NULL;

	http_CollectHdr(req->http, H_Cache_Control);

	VCL_recv_method(req->vcl, wrk, req, NULL, req->http->ws);
	recv_handling = wrk->handling;

	if (cache_param->http_gzip_support &&
	     (recv_handling != VCL_RET_PIPE) &&
	     (recv_handling != VCL_RET_PASS)) {
		if (RFC2616_Req_Gzip(req->http)) {
			http_Unset(req->http, H_Accept_Encoding);
			http_SetHeader(req->http, "Accept-Encoding: gzip");
		} else {
			http_Unset(req->http, H_Accept_Encoding);
		}
	}

	req->sha256ctx = &sha256ctx;	/* so HSH_AddString() can find it */
	SHA256_Init(req->sha256ctx);
	VCL_hash_method(req->vcl, wrk, req, NULL, req->http->ws);
	assert(wrk->handling == VCL_RET_LOOKUP);
	SHA256_Final(req->digest, req->sha256ctx);
	req->sha256ctx = NULL;

	if (!strcmp(req->http->hd[HTTP_HDR_METHOD].b, "HEAD"))
		req->wantbody = 0;
	else
		req->wantbody = 1;

	switch(recv_handling) {
	case VCL_RET_PURGE:
		req->req_step = R_STP_PURGE;
		return (REQ_FSM_MORE);
	case VCL_RET_HASH:
		req->req_step = R_STP_LOOKUP;
		return (REQ_FSM_MORE);
	case VCL_RET_PIPE:
		if (req->esi_level == 0) {
			req->req_step = R_STP_PIPE;
			return (REQ_FSM_MORE);
		}
		VSLb(req->vsl, SLT_VCL_Error,
		    "vcl_recv{} returns pipe for ESI included object."
		    "  Doing pass.");
		req->req_step = R_STP_PASS;
		return (REQ_FSM_DONE);
	case VCL_RET_PASS:
		req->req_step = R_STP_PASS;
		return (REQ_FSM_MORE);
	case VCL_RET_ERROR:
		req->req_step = R_STP_ERROR;
		return (REQ_FSM_MORE);
	default:
		WRONG("Illegal return from vcl_recv{}");
	}
}
Example #6
0
static int
cnt_recv(struct sess *sp)
{
    struct worker *wrk;
    unsigned recv_handling;

    CHECK_OBJ_NOTNULL(sp, SESS_MAGIC);
    wrk = sp->wrk;
    CHECK_OBJ_NOTNULL(wrk, WORKER_MAGIC);
    CHECK_OBJ_NOTNULL(sp->vcl, VCL_CONF_MAGIC);
    AZ(wrk->obj);
    AZ(wrk->busyobj);
    assert(wrk->wrw.ciov == wrk->wrw.siov);

    /* By default we use the first backend */
    AZ(sp->director);
    sp->director = sp->vcl->director[0];
    AN(sp->director);

    sp->disable_esi = 0;
    sp->hash_always_miss = 0;
    sp->hash_ignore_busy = 0;
    sp->client_identity = NULL;

    http_CollectHdr(sp->http, H_Cache_Control);

    VCL_recv_method(sp);
    recv_handling = sp->handling;

    if (sp->restarts >= cache_param->max_restarts) {
        if (sp->err_code == 0)
            sp->err_code = 503;
        sp->step = STP_ERROR;
        return (0);
    }

    if (cache_param->http_gzip_support &&
            (recv_handling != VCL_RET_PIPE) &&
            (recv_handling != VCL_RET_PASS)) {
        if (RFC2616_Req_Gzip(sp)) {
            http_Unset(sp->http, H_Accept_Encoding);
            http_SetHeader(wrk, sp->vsl_id, sp->http,
                           "Accept-Encoding: gzip");
        } else {
            http_Unset(sp->http, H_Accept_Encoding);
        }
    }

    SHA256_Init(wrk->sha256ctx);
    VCL_hash_method(sp);
    assert(sp->handling == VCL_RET_HASH);
    SHA256_Final(sp->digest, wrk->sha256ctx);

    if (!strcmp(sp->http->hd[HTTP_HDR_REQ].b, "HEAD"))
        sp->wantbody = 0;
    else
        sp->wantbody = 1;

    sp->sendbody = 0;
    switch(recv_handling) {
    case VCL_RET_LOOKUP:
        /* XXX: discard req body, if any */
        sp->step = STP_LOOKUP;
        return (0);
    case VCL_RET_PIPE:
        if (sp->esi_level > 0) {
            /* XXX: VSL something */
            INCOMPL();
            /* sp->step = STP_DONE; */
            return (1);
        }
        sp->step = STP_PIPE;
        return (0);
    case VCL_RET_PASS:
        sp->step = STP_PASS;
        return (0);
    case VCL_RET_ERROR:
        /* XXX: discard req body, if any */
        sp->step = STP_ERROR;
        return (0);
    default:
        WRONG("Illegal action in vcl_recv{}");
    }
}