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Correct resolver to handle non-compressed answers

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z3APA3A 2016-12-11 03:25:18 +03:00
parent 953c7efafc
commit afbc27eac4
1 changed files with 2 additions and 0 deletions
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2
src/auth.c
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@ -1161,6 +1161,8 @@ unsigned long udpresolve(int af, unsigned char * name, unsigned char * value, un
k += 4; k += 4;
if(na > 255) na = 255; /* somebody is very evil */ if(na > 255) na = 255; /* somebody is very evil */
for (j = 0; j < na; j++) { /* now there should be answers */ for (j = 0; j < na; j++) { /* now there should be answers */
while(buf[k] < 192 && buf[k] !=0 && (k+buf[k]) < len) k+= buf[k];
if(!buf[k]) k--;
if((k+(af == AF_INET6?28:16)) > len) { if((k+(af == AF_INET6?28:16)) > len) {
break; break;
} }