From f70fb89754773c087937193675e313ec41cc45a6 Mon Sep 17 00:00:00 2001
From: bol-van <none@none.none>
Date: Wed, 18 Feb 2026 12:15:19 +0300
Subject: [PATCH] AI fixes, update builder-linux

---
 docs/compile/build_howto_unix.txt     |  2 +-
 docs/compile/builder-linux/common.inc |  4 ++--
 nfq2/darkmagic.c                      | 11 +++++------
 nfq2/desync.c                         |  6 +++---
 nfq2/protocol.c                       |  2 +-
 5 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/docs/compile/build_howto_unix.txt b/docs/compile/build_howto_unix.txt
index c6a873b..488b644 100644
--- a/docs/compile/build_howto_unix.txt
+++ b/docs/compile/build_howto_unix.txt
@@ -6,7 +6,7 @@ make -C /opt/zapret2 systemd
 linux static :
 
 need any x86_64 classic linux distribution
-dependencies: apt install curl xz-utils bzip2 unzip make gcc libcap-dev pkg-config
+dependencies: apt install curl xz-utils bzip2 unzip make gcc gcc-multilib libc6-dev libcap-dev pkg-config
 copy directory "builder-linux" somethere with enough free disk space (up to 2G for all toolchains)
 run "get_toolchains.sh"
 select architectures you need or "ALL"
diff --git a/docs/compile/builder-linux/common.inc b/docs/compile/builder-linux/common.inc
index a9d5ce1..8e97999 100644
--- a/docs/compile/builder-linux/common.inc
+++ b/docs/compile/builder-linux/common.inc
@@ -46,7 +46,7 @@ target_has_luajit()
 	return 1
 }
 
-REQD_H_FILES="/usr/include/x86_64-linux-gnu/sys/queue.h /usr/include/sys/capability.h"
+REQD_H_FILES="/usr/include/x86_64-linux-gnu/sys/queue.h /usr/include/sys/capability.h /usr/include/bits/libc-header-start.h"
 check_h_files()
 {
 	check_file $REQD_H_FILES
@@ -206,7 +206,7 @@ check_prog()
 	while [ -n "$1" ]; do
 		exists $1 || {
 			echo $1 is not available
-			echo "debian/ubuntu: apt install curl xz-utils bzip2 unzip make gcc libcap-dev pkg-config"
+			echo "debian/ubuntu: apt install curl xz-utils bzip2 unzip make gcc gcc-multilib libc6-dev libcap-dev pkg-config"
 			exit 10
 		}
 		shift
diff --git a/nfq2/darkmagic.c b/nfq2/darkmagic.c
index bf67adc..ff8507f 100644
--- a/nfq2/darkmagic.c
+++ b/nfq2/darkmagic.c
@@ -2093,6 +2093,7 @@ static uint16_t wlan_get_family_id(struct mnl_socket* nl)
 static int wlan_info_attr_cb(const struct nlattr *attr, void *data)
 {
 	struct wlan_interface *wlan = (struct wlan_interface *)data;
+	size_t len;
 	switch(mnl_attr_get_type(attr))
 	{
 		case NL80211_ATTR_IFINDEX:
@@ -2104,12 +2105,10 @@ static int wlan_info_attr_cb(const struct nlattr *attr, void *data)
 			wlan->ifindex = mnl_attr_get_u32(attr);
 			break;
 		case NL80211_ATTR_SSID:
-			if (mnl_attr_validate(attr, MNL_TYPE_STRING) < 0)
-			{
-				DLOG_PERROR("mnl_attr_validate(ssid)");
-				return MNL_CB_ERROR;
-			}
-			snprintf(wlan->ssid,sizeof(wlan->ssid),"%s",mnl_attr_get_str(attr));
+			len = mnl_attr_get_payload_len(attr);
+			if (len>=sizeof(wlan->ssid)) len=sizeof(wlan->ssid)-1;
+			memcpy(wlan->ssid, mnl_attr_get_payload(attr), len);
+			wlan->ssid[len]=0;
 			break;
 		case NL80211_ATTR_IFNAME:
 			if (mnl_attr_validate(attr, MNL_TYPE_STRING) < 0)
diff --git a/nfq2/desync.c b/nfq2/desync.c
index ad99589..602e742 100644
--- a/nfq2/desync.c
+++ b/nfq2/desync.c
@@ -1648,6 +1648,7 @@ static const uint8_t *dns_extract_name(const uint8_t *a, const uint8_t *b, const
 	size_t nl, off;
 	const uint8_t *p;
 	bool bptr = (*a & 0xC0)==0xC0;
+	uint8_t x,y;
 
 	if (bptr)
 	{
@@ -1666,9 +1667,8 @@ static const uint8_t *dns_extract_name(const uint8_t *a, const uint8_t *b, const
 		// do not support mixed ptr+real
 		if ((*p & 0xC0) || (p+*p+1)>=e || (*p+1)>=(name_size-nl)) return NULL;
 		if (nl)	name[nl++] = '.';
-		memcpy(name + nl, p + 1, *p);
-		nl += *p;
-		p += *p + 1;
+		for(y=*p++,x=0 ; x<y ; x++,p++) name[nl+x] = tolower(*p);
+		nl += y;
 	}
 	name[nl] = 0;
 	return bptr ? a+2 : p+1;
diff --git a/nfq2/protocol.c b/nfq2/protocol.c
index b280fae..2b43e61 100644
--- a/nfq2/protocol.c
+++ b/nfq2/protocol.c
@@ -248,7 +248,7 @@ void ResolveMultiPos(const uint8_t *data, size_t sz, t_l7payload l7payload, cons
 }
 
 
-static const char *http_methods[] = { "GET ","POST ","HEAD ","OPTIONS ","PUT ","DELETE ","CONNECT ","TRACE ",NULL };
+static const char *http_methods[] = { "GET ","POST ","HEAD ","OPTIONS ","PUT ","DELETE ","CONNECT ","TRACE ", "PATCH ", NULL };
 static const char *HttpMethod(const uint8_t *data, size_t len)
 {
 	const char **method;