86 lines
2.0 KiB
C
86 lines
2.0 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 <stdio.h>
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#include "lwapp.h"
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#include "cw_util.h"
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/**
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*@file
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*@brief Implementation of cw_sprintf_version
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*/
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/**
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* Converts a CAPWAP version string to readable format.
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* @param s target where the formated string will be stored
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* @param ver the CAPWAP version data
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* @param vendor vendor id
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* @param def default string will be printed if version is NULL
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* @return the number bytes added to the output *s
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*
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* This function tries to determine if the bstr_t string version
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* is human readable, and if not, it will put out a hexadecimal value
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* or a dot-seaprated list of number for version elements used
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* by Cisco.
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*/
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int cw_format_version(char *s, bstr_t ver, uint32_t vendor, char * def)
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{
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if (!ver)
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return sprintf(s,"%s",def);
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uint8_t * version = bstr_data(ver);
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int len = bstr_len(ver);
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int rs=0;
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int i;
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if ( cw_is_printable(version,len) ){
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if (len != 0 )
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rs+=sprintf(s+rs,"%s",version);
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else
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rs+=sprintf(s+rs,"''");
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}
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else{
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for (i=0; i<len && i<20; i++){
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rs+=sprintf(s+rs,"%02X",version[i]);
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}
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int dot=0;
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rs+=sprintf(s+rs," (");
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for (i=0; i<len && i<20; i++){
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if (dot)
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rs+=sprintf(s+rs,".");
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dot=1;
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rs+=sprintf(s+rs,"%d",version[i]);
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}
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rs+=sprintf(s+rs,")");
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}
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if (vendor)
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rs+=sprintf(s+rs,", Vendor Id: %d, %s",vendor, lw_vendor_id_to_str(vendor));
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return rs;
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}
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