Merge branch 'feature/KASM-5213_email_username' into 'master'

Allow emails as usernames

Closes KASM-5213

See merge request kasm-technologies/internal/KasmVNC!115

common/network/GetAPIMessager.cxx

@@ -550,7 +550,7 @@ void GetAPIMessager::netGetBottleneckStats(char *buf, uint32_t len) {
 		const char *id = it->first.c_str();
 		const char *data = it->second.c_str();
 
-		const char *at = strchr(id, '@');
+		const char *at = strrchr(id, '@');
 		if (!at)
 			continue;
 

common/network/websocket.c

@@ -33,7 +33,6 @@
 #include <openssl/sha.h> /* sha1 hash */
 #include "websocket.h"
 #include "jsonescape.h"
-#include "kasmpasswd.h"
 #include <network/Blacklist.h>
 
 /*
@@ -1756,7 +1755,7 @@ ws_ctx_t *do_handshake(int sock, char * const ip) {
     }
 
     unsigned char owner = 0;
-    char inuser[32] = "-";
+    char inuser[USERNAME_LEN] = "-";
     if (!settings.disablebasicauth) {
         const char *hdr = strstr(handshake, "Authorization: Basic ");
         if (!hdr) {
@@ -1794,7 +1793,7 @@ ws_ctx_t *do_handshake(int sock, char * const ip) {
         if (resppw && *resppw)
             resppw++;
         if (settings.passwdfile) {
-            if (resppw && *resppw && resppw - response < 32) {
+            if (resppw && *resppw && resppw - response < USERNAME_LEN + 1) {
                 char pwbuf[4096];
                 struct kasmpasswd_t *set = readkasmpasswd(settings.passwdfile);
                 if (!set->num) {

common/network/websocket.h

@@ -2,6 +2,7 @@
 #include <stdint.h>
 #include "GetAPIEnums.h"
 #include "datelog.h"
+#include "kasmpasswd.h"
 
 #define BUFSIZE 65536
 #define DBUFSIZE (BUFSIZE * 3) / 4 - 20
@@ -57,7 +58,7 @@ typedef struct {
     char      *tin_buf;
     char      *tout_buf;
 
-    char      user[32];
+    char      user[USERNAME_LEN];
     char      ip[64];
 } ws_ctx_t;
 

common/rfb/VNCSConnectionST.cxx

@@ -88,8 +88,8 @@ VNCSConnectionST::VNCSConnectionST(VNCServerST* server_, network::Socket *s,
   wordfree(&wexp);
 
   user[0] = '\0';
-  const char *at = strchr(peerEndpoint.buf, '@');
+  const char *at = strrchr(peerEndpoint.buf, '@');
-  if (at && at - peerEndpoint.buf > 1 && at - peerEndpoint.buf < 32) {
+  if (at && at - peerEndpoint.buf > 1 && at - peerEndpoint.buf < USERNAME_LEN) {
     memcpy(user, peerEndpoint.buf, at - peerEndpoint.buf);
     user[at - peerEndpoint.buf] = '\0';
   }
@@ -1635,7 +1635,7 @@ void VNCSConnectionST::sendStats(const bool toClient) {
 void VNCSConnectionST::handleFrameStats(rdr::U32 all, rdr::U32 render)
 {
   if (server->apimessager) {
-    const char *at = strchr(peerEndpoint.buf, '@');
+    const char *at = strrchr(peerEndpoint.buf, '@');
     if (!at)
       at = peerEndpoint.buf;
     else

common/rfb/VNCSConnectionST.h

@@ -35,6 +35,8 @@
 #include <rfb/Timer.h>
 #include <rfb/unixRelayLimits.h>
 
+#include "kasmpasswd.h"
+
 namespace rfb {
   class VNCServerST;
 
@@ -318,7 +320,7 @@ namespace rfb {
     rdr::U64 bstats_total[BS_NUM];
     struct timeval connStart;
 
-    char user[32];
+    char user[USERNAME_LEN];
     char kasmpasswdpath[4096];
     bool needsPermCheck;
 

common/rfb/VNCServerST.cxx

@@ -814,7 +814,7 @@ static void upgradeClientToUdp(const network::GetAPIMessager::action_data &act,
     inet_ntop(AF_INET, &act.udp.ip, buf, 32);
 
     const char * const who = (*ci)->getPeerEndpoint();
-    const char *start = strchr(who, '@');
+    const char *start = strrchr(who, '@');
     if (!start)
       continue;
     start++;

unix/kasmvncpasswd/kasmpasswd.h

@@ -6,7 +6,7 @@ extern "C" {
 #endif
 
 struct kasmpasswd_entry_t {
-	char user[32];
+	char user[128];
 	char password[128];
 	unsigned char read : 1;
 	unsigned char write : 1;