termux-packages/packages/dropbear/svr-chansession.c.patch

diff -uNr dropbear-2018.76/svr-chansession.c dropbear-2018.76.mod/svr-chansession.c
--- dropbear-2018.76/svr-chansession.c	2018-02-27 16:25:12.000000000 +0200
+++ dropbear-2018.76.mod/svr-chansession.c	2018-04-21 13:45:06.707063974 +0300
@@ -607,7 +607,11 @@
 		dropbear_exit("Out of memory"); /* TODO disconnect */
 	}
 
+#ifdef __ANDROID__
+	pw = getpwuid(getuid());
+#else
 	pw = getpwnam(ses.authstate.pw_name);
+#endif
 	if (!pw)
 		dropbear_exit("getpwnam failed after succeeding previously");
 	pty_setowner(pw, chansess->tty);
@@ -919,6 +923,8 @@
 #endif
 
 	/* clear environment */
+	/* termux: do not clear environment on android */
+#ifndef __ANDROID__
 	/* if we're debugging using valgrind etc, we need to keep the LD_PRELOAD
 	 * etc. This is hazardous, so should only be used for debugging. */
 #ifndef DEBUG_VALGRIND
@@ -931,6 +937,7 @@
 	}
 #endif /* HAVE_CLEARENV */
 #endif /* DEBUG_VALGRIND */
+#endif /* __ANDROID__ */
 
 	/* We can only change uid/gid as root ... */
 	if (getuid() == 0) {
@@ -956,12 +963,14 @@
 		}
 	}
 
+	/* termux: do not modify environment since we did not clean it */
+#ifndef __ANDROID__
 	/* set env vars */
 	addnewvar("USER", ses.authstate.pw_name);
 	addnewvar("LOGNAME", ses.authstate.pw_name);
 	addnewvar("HOME", ses.authstate.pw_dir);
 	addnewvar("SHELL", get_user_shell());
-	addnewvar("PATH", DEFAULT_PATH);
+#endif /* __ANDROID__ */
 	if (chansess->term != NULL) {
 		addnewvar("TERM", chansess->term);
 	}