TUN-7628: Correct Host parsing for Access

Will no longer provide full hostname with path from provided
`--hostname` flag for cloudflared access to the Host header field.
This addresses certain issues caught from a security fix in go
1.19.11 and 1.20.6 in the net/http URL parsing.
This commit is contained in:
Devin Carr
2023-07-25 09:33:11 -07:00
parent bfeaa3418d
commit 81fe0bd12b
85 changed files with 22873 additions and 4442 deletions

View File

@@ -204,6 +204,7 @@ struct ltchars {
#include <sys/timerfd.h>
#include <sys/uio.h>
#include <sys/xattr.h>
#include <netinet/udp.h>
#include <linux/audit.h>
#include <linux/bpf.h>
#include <linux/can.h>
@@ -518,7 +519,7 @@ ccflags="$@"
$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
$2 ~ /^LO_(KEY|NAME)_SIZE$/ ||
$2 ~ /^LOOP_(CLR|CTL|GET|SET)_/ ||
$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|TCP|MCAST|EVFILT|NOTE|SHUT|PROT|MAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR|LOCAL|TCPOPT)_/ ||
$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|TCP|MCAST|EVFILT|NOTE|SHUT|PROT|MAP|MREMAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR|LOCAL|TCPOPT|UDP)_/ ||
$2 ~ /^NFC_(GENL|PROTO|COMM|RF|SE|DIRECTION|LLCP|SOCKPROTO)_/ ||
$2 ~ /^NFC_.*_(MAX)?SIZE$/ ||
$2 ~ /^RAW_PAYLOAD_/ ||
@@ -740,7 +741,8 @@ main(void)
e = errors[i].num;
if(i > 0 && errors[i-1].num == e)
continue;
strcpy(buf, strerror(e));
strncpy(buf, strerror(e), sizeof(buf) - 1);
buf[sizeof(buf) - 1] = '\0';
// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
buf[0] += a - A;
@@ -759,7 +761,8 @@ main(void)
e = signals[i].num;
if(i > 0 && signals[i-1].num == e)
continue;
strcpy(buf, strsignal(e));
strncpy(buf, strsignal(e), sizeof(buf) - 1);
buf[sizeof(buf) - 1] = '\0';
// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
buf[0] += a - A;