mirror of
https://github.com/3proxy/3proxy.git
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90 lines
1.7 KiB
C
90 lines
1.7 KiB
C
/*
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(c) 2007-2026 by Vladimir Dubrovin <vlad@3proxy.org>
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please read License Agreement
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*/
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#include "../../structures.h"
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#include <string.h>
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#include <ctype.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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static struct auth alwaysauth;
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#ifdef __cplusplus
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extern "C" {
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#endif
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unsigned char * conv_utf8_to_cp1251(unsigned char *s){
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int i, j=0, n=(int)strlen((char *)s);
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int byte2 = 0;
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int c1, new_c1, new_c2, new_i;
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for(i = 0; i < n; i++){
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if(byte2 && s[i]>=128 && s[i]<=192){
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new_c2=(c1&3)*64+(s[i]&63);
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new_c1=(c1>>2)&5;
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new_i=(new_c1*256)+new_c2;
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if(new_i == 1025) s[j++] = 168;
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else if (new_i==1105) s[j++] = 184;
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else if (new_i < (192 + 848) || new_i > (255 + 848)){
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return s;
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}
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else s[j++] = new_i - 848;
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byte2 = 0;
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}
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else if(byte2){
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return s;
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}
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else if((s[i]>>5)==6){
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c1 = s[i];
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byte2 = 1;
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}
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else if(s[i] < 128) s[j++] = s[i];
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else return s;
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}
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s[j] = 0;
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return s;
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}
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static int aufunc(struct clientparam *param){
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if(!param->username || !param->password || param->pwtype != 0) return 4;
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conv_utf8_to_cp1251(param->username);
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conv_utf8_to_cp1251(param->password);
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return 4;
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}
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#ifdef WATCOM
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#pragma aux utf8tocp1251 "*" parm caller [ ] value struct float struct routine [eax] modify [eax ecx edx]
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#undef PLUGINCALL
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#define PLUGINCALL
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#endif
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PLUGINAPI int PLUGINCALL utf8tocp1251(struct pluginlink * pluginlink, int argc, char** argv){
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static int loaded = 0;
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if(!loaded){
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alwaysauth.authenticate = aufunc;
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alwaysauth.authorize = pluginlink->checkACL;
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alwaysauth.desc = "utf8tocp1251";
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alwaysauth.next = pluginlink->authfuncs->next;
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pluginlink->authfuncs->next = &alwaysauth;
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loaded = 1;
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}
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return 0;
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}
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#ifdef __cplusplus
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}
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#endif
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