From 02d32b05a69c125b9c30d7002f023de4bd55ab4b Mon Sep 17 00:00:00 2001 From: Timo Sirainen Date: Thu, 8 May 2003 06:36:21 +0300 Subject: [PATCH] Support wu-ftpd-like chrooting in /etc/passwd. If home directory ends with "/./", it's chrooted to. --HG-- branch : HEAD --- src/auth/userdb-passwd.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/src/auth/userdb-passwd.c b/src/auth/userdb-passwd.c index 601463d202..f1f5de762d 100644 --- a/src/auth/userdb-passwd.c +++ b/src/auth/userdb-passwd.c @@ -15,6 +15,7 @@ static void passwd_lookup(const char *user, userdb_callback_t *callback, { struct user_data data; struct passwd *pw; + size_t len; pw = getpwnam(user); if (pw == NULL) { @@ -31,7 +32,16 @@ static void passwd_lookup(const char *user, userdb_callback_t *callback, data.gid = pw->pw_gid; data.virtual_user = data.system_user = pw->pw_name; - data.home = pw->pw_dir; + + len = strlen(pw->pw_dir); + if (len < 3 || strcmp(pw->pw_dir + len - 3, "/./") != 0) + data.home = pw->pw_dir; + else { + /* wu-ftpd uses /./. We don't support + the dir after chroot, but this should work well enough. */ + data.home = t_strndup(pw->pw_dir, len-3); + data.chroot = TRUE; + } callback(&data, context); } -- 2.47.3