From 39125bec38ac3a13ae550ee7ba3e924a42a73e18 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Sat, 14 Jul 2007 22:51:28 +0000 Subject: adduser: close /etc/{passwd,shadow} before calling passwd etc. Spotted by Natanael Copa --- loginutils/adduser.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/loginutils/adduser.c b/loginutils/adduser.c index 916a25b..229bd67 100644 --- a/loginutils/adduser.c +++ b/loginutils/adduser.c @@ -109,8 +109,9 @@ static int adduser(struct passwd *p) if (putpwent(p, file) == -1) { bb_perror_nomsg_and_die(); } - if (ENABLE_FEATURE_CLEAN_UP) - fclose(file); + /* Do fclose even if !ENABLE_FEATURE_CLEAN_UP. + * We will exec passwd, files must be flushed & closed before that! */ + fclose(file); #if ENABLE_FEATURE_SHADOWPASSWDS /* add to shadow if necessary */ @@ -123,8 +124,7 @@ static int adduser(struct passwd *p) 0, /* sp->sp_min */ 99999, /* sp->sp_max */ 7); /* sp->sp_warn */ - if (ENABLE_FEATURE_CLEAN_UP) - fclose(file); + fclose(file); } #endif @@ -134,7 +134,7 @@ static int adduser(struct passwd *p) if (addgroup) addgroup_wrapper(p); /* Clear the umask for this process so it doesn't - * * screw up the permissions on the mkdir and chown. */ + * screw up the permissions on the mkdir and chown. */ umask(0); if (!(option_mask32 & OPT_DONT_MAKE_HOME)) { /* Set the owner and group so it is owned by the new user, -- cgit v1.1