108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
#include <libowfat/fmt.h>
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#include <libowfat/byte.h>
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#include <libowfat/str.h>
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#include "ldap.h"
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size_t fmt_escapesearchfilterstring(char* dest,const char* s,size_t len) {
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size_t i,j;
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for (i=j=0; i<len; ++i,++j) {
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switch (s[i]) {
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case '*': case '\\': case '(': case ')': case 0: // RFC4515
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if (dest) {
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dest[j]='\\';
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dest[j+1]=fmt_tohex((unsigned char)(s[i])>>4);
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dest[j+2]=fmt_tohex(s[i]&0xf);
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}
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j+=2;
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break;
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default:
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if (dest)
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dest[j]=s[i];
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}
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}
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return j;
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}
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size_t fmt_ldapsearchfilterstring(char* dest,const struct Filter* f) {
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size_t len;
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len = fmt_str(dest,"(");
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do {
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switch (f->type) {
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case AND: case OR: case NOT:
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if (dest) dest[len]="&|!"[f->type];
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++len;
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len += fmt_ldapsearchfilterstring(dest?dest+len:0,f->x);
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break;
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case EQUAL: case GREATEQUAL: case LESSEQUAL: case APPROX:
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if (dest) {
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len += fmt_escapesearchfilterstring(dest+len,f->ava.desc.s,f->ava.desc.l);
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// byte_copy(dest+len,f->ava.desc.l,f->ava.desc.s);
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// len += f->ava.desc.l;
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if (f->type!=EQUAL) {
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dest[len]="><~"[f->type-GREATEQUAL];
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++len;
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}
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dest[len]='='; ++len;
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len += fmt_escapesearchfilterstring(dest+len,f->ava.value.s,f->ava.value.l);
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// byte_copy(dest+len,f->ava.value.l,f->ava.value.s);
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// len += f->ava.value.l;
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} else
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len += fmt_escapesearchfilterstring(NULL,f->ava.desc.s,f->ava.desc.l) +
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fmt_escapesearchfilterstring(NULL,f->ava.value.s,f->ava.value.l) +
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1 + (f->type>EQUAL);
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break;
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case SUBSTRING:
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{
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struct Substring* x=f->substrings;
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while (x) {
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if (dest) {
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len += fmt_escapesearchfilterstring(dest+len,f->ava.desc.s,f->ava.desc.l);
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// byte_copy(dest+len,f->ava.desc.l,f->ava.desc.s);
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// len += f->ava.desc.l;
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dest[len]='='; ++len;
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if (x->substrtype != prefix) {
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dest[len]='*'; ++len;
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}
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len += fmt_escapesearchfilterstring(dest+len,x->s.s,x->s.l);
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// byte_copy(dest+len,x->s.l,x->s.s);
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// len += x->s.l;
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if (x->substrtype != suffix) {
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dest[len]='*'; ++len;
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}
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if (x->next) {
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dest[len]=')';
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dest[len+1]='(';
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len+=2;
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}
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} else
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len += f->ava.desc.l + 1 + x->s.l + 1 + (x->substrtype==any) + (x->next?2:0);
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x=x->next;
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}
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}
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break;
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case PRESENT:
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if (dest) {
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len += fmt_escapesearchfilterstring(dest+len,f->ava.desc.s,f->ava.desc.l);
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// byte_copy(dest+len,f->ava.desc.l,f->ava.desc.s);
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dest[len]='=';
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dest[len+1]='*';
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} else
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len += fmt_escapesearchfilterstring(NULL,f->ava.desc.s,f->ava.desc.l);
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len += 2;
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break;
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default:
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return -1;
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}
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f=f->next;
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if (f) {
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if (dest) {
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dest[len]=')';
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dest[len+1]='(';
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}
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len+=2;
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}
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} while (f);
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if (dest) dest[len]=')';
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return len+1;
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}
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