SunOS: support InitSystem

CMakeLists.txt

@@ -773,7 +773,7 @@ elseif(SunOS)
         src/detection/gtk_qt/gtk.c
         src/detection/host/host_windows.c
         src/detection/icons/icons_linux.c
-        src/detection/initsystem/initsystem_nosupport.c
+        src/detection/initsystem/initsystem_linux.c
         src/detection/libc/libc_nosupport.c
         src/detection/lm/lm_nosupport.c
         src/detection/loadavg/loadavg_nosupport.c
@@ -1130,6 +1130,7 @@ elseif(SunOS)
         PRIVATE "socket"
         PRIVATE "kstat"
         PRIVATE "pciaccess"
+        PRIVATE "proc"
     )
 elseif(ANDROID)
     CHECK_LIBRARY_EXISTS(-l:libandroid-wordexp.a wordexp "" HAVE_LIBANDROID_WORDEXP_STATIC)

src/common/processing_linux.c

@@ -18,7 +18,7 @@
     #include <sys/user.h>
     #include <sys/sysctl.h>
 #endif
-#ifdef __APPLE__
+#if defined(__APPLE__) || defined(__sun)
     #include <libproc.h>
 #endif
 
@@ -113,6 +113,15 @@ const char* ffProcessAppendOutput(FFstrbuf* buffer, char* const argv[], bool use
     return "read(childPipeFd, str, FF_PIPE_BUFSIZ) failed";
 }
 
+#ifdef __sun
+void freeProcHandle(struct ps_prochandle** phandle)
+{
+    assert(phandle);
+    if (*phandle)
+        Pfree(*phandle);
+}
+#endif
+
 void ffProcessGetInfoLinux(pid_t pid, FFstrbuf* processName, FFstrbuf* exe, const char** exeName, FFstrbuf* exePath)
 {
     assert(processName->length > 0);
@@ -335,6 +344,22 @@ const char* ffProcessGetBasicInfoLinux(pid_t pid, FFstrbuf* name, pid_t* ppid, i
             *tty = -1;
     }
 
+    #elif defined(__sun)
+    int err;
+    __attribute__((__cleanup__(freeProcHandle))) struct ps_prochandle* handle = Pgrab(pid, PGRAB_RDONLY, &err);
+    if (!handle)
+        return "Pgrab() failed";
+
+    const psinfo_t* proc = Ppsinfo(handle);
+    if (!proc)
+        return "Ppsinfo() failed";
+
+    ffStrbufSetS(name, proc->pr_fname);
+    if (ppid)
+        *ppid = proc->pr_ppid;
+    if (tty)
+        *tty = (int) proc->pr_ttydev;
+
     #else
 
     return "Unsupported platform";