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made it return illegal hex in case no hexadecimal digit was read when at

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least one was expected
This commit is contained in:
Daniel Stenberg 2001-03-12 15:20:35 +00:00
parent 563ad213dc
commit d95fa648e9
1 changed files with 9 additions and 2 deletions
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11
lib/http_chunks.c
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@ -115,10 +115,15 @@ CHUNKcode Curl_httpchunk_read(struct connectdata *conn,
ch->hexindex++; ch->hexindex++;
} }
else { else {
return 1; /* longer hex than we support */ return CHUNKE_TOO_LONG_HEX; /* longer hex than we support */
} }
} }
else { else {
if(0 == ch->hexindex) {
/* This is illegal data, we received junk where we expected
a hexadecimal digit. */
return CHUNKE_ILLEGAL_HEX;
}
/* length and datap are unmodified */ /* length and datap are unmodified */
ch->hexbuffer[ch->hexindex]=0; ch->hexbuffer[ch->hexindex]=0;
ch->datasize=strtoul(ch->hexbuffer, NULL, 16); ch->datasize=strtoul(ch->hexbuffer, NULL, 16);
@ -127,7 +132,9 @@ CHUNKcode Curl_httpchunk_read(struct connectdata *conn,
break; break;
case CHUNK_POSTHEX: case CHUNK_POSTHEX:
/* just a lame state waiting for CRLF to arrive */ /* In this state, we're waiting for CRLF to arrive. We support
this to allow so called chunk-extensions to show up here
before the CRLF comes. */
if(*datap == '\r') if(*datap == '\r')
ch->state = CHUNK_CR; ch->state = CHUNK_CR;
length--; length--;