termux-packages/packages/openssh/session.c.patch

diff -u -r ../openssh-7.7p1/session.c ./session.c
--- ../openssh-7.7p1/session.c	2018-04-02 07:38:28.000000000 +0200
+++ ./session.c	2018-04-03 23:46:30.670337636 +0200
@@ -199,7 +199,7 @@
 	temporarily_use_uid(pw);
 
 	/* Allocate a buffer for the socket name, and format the name. */
-	auth_sock_dir = xstrdup("/tmp/ssh-XXXXXXXXXX");
+	auth_sock_dir = xstrdup("@TERMUX_PREFIX@/tmp/ssh-XXXXXXXXXX");
 
 	/* Create private directory for socket */
 	if (mkdtemp(auth_sock_dir) == NULL) {
@@ -802,7 +802,7 @@
 		f = fopen(login_getcapstr(lc, "welcome", "/etc/motd",
 		    "/etc/motd"), "r");
 #else
-		f = fopen("/etc/motd", "r");
+		f = fopen("@TERMUX_PREFIX@/etc/motd", "r");
 #endif
 		if (f) {
 			while (fgets(buf, sizeof(buf), f))
@@ -1044,8 +1044,10 @@
 # endif /* HAVE_CYGWIN */
 #endif /* HAVE_LOGIN_CAP */
 
+#ifdef _PATH_MAILDIR
 	snprintf(buf, sizeof buf, "%.200s/%.50s", _PATH_MAILDIR, pw->pw_name);
 	child_set_env(&env, &envsize, "MAIL", buf);
+#endif
 
 	/* Normal systems set SHELL by default. */
 	child_set_env(&env, &envsize, "SHELL", shell);
@@ -1053,6 +1055,15 @@
 	if (getenv("TZ"))
 		child_set_env(&env, &envsize, "TZ", getenv("TZ"));
 
+#ifdef __ANDROID__
+	char const* envs_to_keep[] = {"LD_LIBRARY_PATH", "PATH", "ANDROID_ROOT", "ANDROID_DATA", "EXTERNAL_STORAGE", "LANG", "PREFIX"};
+	for (i = 0; i < (sizeof(envs_to_keep) / sizeof(envs_to_keep[0])); i++) {
+		char const* env_to_keep_name = envs_to_keep[i];
+		char const* env_to_keep_value = getenv(env_to_keep_name);
+		if (env_to_keep_value) child_set_env(&env, &envsize, env_to_keep_name, env_to_keep_value);
+	}
+#endif
+
 	/* Set custom environment options from pubkey authentication. */
 	if (options.permit_user_env) {
 		for (n = 0 ; n < auth_opts->nenv; n++) {