57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/*
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This file is part of libcapwap.
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libcapwap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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libcapwap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "capwap.h"
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#include "lwapp.h"
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//#include "string.h" //tube
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int conn_prepare_image_data_request(struct conn *conn, struct image_data *data,
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struct image_identifier *id)
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{
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struct cwmsg *cwmsg = &conn->req_msg;
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cwmsg_init(cwmsg, conn->req_buffer, CWMSG_IMAGE_DATA_REQUEST, conn_get_next_seqnum(conn),
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0);
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if (!data)
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return 0;
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/* for Cisco APs send image data in "LWAPP format" */
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if (conn->capwap_mode == CWMODE_CISCO) {
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uint8_t type = 3;
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uint16_t checksum = htons(lw_checksum(data->data, data->len));
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cwmsg_vaddelem(cwmsg, CWMSGELEM_IMAGE_DATA, 3,
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&type, 1, &checksum, 2, data->data, data->len);
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return 0;
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}
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/* standard capwap operation */
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cwmsg_vaddelem(cwmsg,CWMSGELEM_IMAGE_DATA, 2,
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&data->type, sizeof(data->type),
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data->data, data->len
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);
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return 0;
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}
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