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Fix incorrect host header memmove()s. Fixes #47

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ValdikSS 2017-12-13 01:42:29 +03:00
parent 81718f1a53
commit 5f231996d4
1 changed files with 3 additions and 2 deletions
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5
goodbyedpi.c
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@ -513,7 +513,8 @@ int main(int argc, char *argv[]) {
/* Move one byte to the LEFT from "Host:" /* Move one byte to the LEFT from "Host:"
* to the end of User-Agent * to the end of User-Agent
*/ */
memmove(host_addr - 1, host_addr, useragent_len); memmove(host_addr - 1, host_addr,
(PVOID)useragent_addr + useragent_len - (PVOID)host_addr);
host_addr -= 1; host_addr -= 1;
/* Put space in the end of User-Agent header */ /* Put space in the end of User-Agent header */
*(char*)((PVOID)useragent_addr + useragent_len - 1) = ' '; *(char*)((PVOID)useragent_addr + useragent_len - 1) = ' ';
@ -528,7 +529,7 @@ int main(int argc, char *argv[]) {
*/ */
memmove((PVOID)useragent_addr + useragent_len + 1, memmove((PVOID)useragent_addr + useragent_len + 1,
(PVOID)useragent_addr + useragent_len, (PVOID)useragent_addr + useragent_len,
useragent_len - 1); (PVOID)host_addr - 1 - ((PVOID)useragent_addr + useragent_len));
/* Put space in the end of User-Agent header */ /* Put space in the end of User-Agent header */
*(char*)((PVOID)useragent_addr + useragent_len) = ' '; *(char*)((PVOID)useragent_addr + useragent_len) = ' ';
should_recalc_checksum = 1; should_recalc_checksum = 1;