Terminal: detect tty name

Fix #738

src/detection/terminalshell/terminalshell.h

@@ -23,6 +23,7 @@ typedef struct FFTerminalResult
     const char* exeName; //pointer to a char in exe
     FFstrbuf exePath; //Full real path to executable file
     FFstrbuf version;
+    FFstrbuf tty;
     uint32_t pid;
     uint32_t ppid;
 } FFTerminalResult;

src/detection/terminalshell/terminalshell_linux.c

@@ -571,6 +571,7 @@ const FFTerminalResult* ffDetectTerminal()
     result.exeName = result.exe.chars;
     ffStrbufInit(&result.exePath);
     ffStrbufInit(&result.version);
+    ffStrbufInitS(&result.tty, ttyname(STDOUT_FILENO));
     result.pid = 0;
     result.ppid = 0;
 

src/detection/terminalshell/terminalshell_windows.c

@@ -369,6 +369,7 @@ const FFShellResult* ffDetectShell(void)
     ffStrbufInit(&result.exePath);
     ffStrbufInit(&result.prettyName);
     ffStrbufInit(&result.version);
+    ffStrbufInit(&result.tty);
     result.pid = 0;
     result.ppid = 0;
     result.tty = -1;

src/modules/terminal/terminal.c

@@ -6,7 +6,7 @@
 
 #include <string.h>
 
-#define FF_TERMINAL_NUM_FORMAT_ARGS 7
+#define FF_TERMINAL_NUM_FORMAT_ARGS 8
 
 void ffPrintTerminal(FFTerminalOptions* options)
 {
@@ -37,6 +37,7 @@ void ffPrintTerminal(FFTerminalOptions* options)
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->prettyName},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->version},
             {FF_FORMAT_ARG_TYPE_STRBUF, &result->exePath},
+            {FF_FORMAT_ARG_TYPE_STRBUF, &result->tty},
         });
     }
 }
@@ -95,6 +96,7 @@ void ffGenerateTerminalJsonResult(FF_MAYBE_UNUSED FFTerminalOptions* options, yy
     yyjson_mut_obj_add_uint(doc, obj, "ppid", result->ppid);
     yyjson_mut_obj_add_strbuf(doc, obj, "prettyName", &result->prettyName);
     yyjson_mut_obj_add_strbuf(doc, obj, "version", &result->version);
+    yyjson_mut_obj_add_strbuf(doc, obj, "tty", &result->tty);
 }
 
 void ffPrintTerminalHelpFormat(void)
@@ -107,6 +109,7 @@ void ffPrintTerminalHelpFormat(void)
         "Terminal pretty name",
         "Terminal version",
         "Terminal full exe path",
+        "Terminal tty / pts used",
     });
 }