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Added check if the last admin user is to be deleted, and if that's the case, prevent it and return with error message.

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This commit is contained in:
vraatikka
2013-08-04 23:02:29 +03:00
parent 6faca29281
commit f62cf1ea7e
3 changed files with 26 additions and 11 deletions
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31
server/core/adminusers.c
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@ -55,6 +55,8 @@ static char *ADMIN_ERR_FILEAPPEND = "Unable to append to password file";
static char *ADMIN_ERR_PWDFILEOPEN = "Failed to open password file";
static char *ADMIN_ERR_TMPFILEOPEN = "Failed to open temporary password file";
static char *ADMIN_ERR_PWDFILEACCESS = "Failed to access password file";
static char *ADMIN_ERR_DELLASTUSER = "Deleting user failed, deleting the "
"last user is forbidden";
static char *ADMIN_SUCCESS = NULL;
static const int LINELEN=80;
@ -193,15 +195,16 @@ char* admin_remove_user(
char* uname,
char* passwd)
{
FILE* fp;
FILE* fp_tmp;
char fname[1024];
char fname_tmp[1024];
char* home;
char fusr[LINELEN];
char fpwd[LINELEN];
char line[LINELEN];
FILE* fp;
FILE* fp_tmp;
char fname[1024];
char fname_tmp[1024];
char* home;
char fusr[LINELEN];
char fpwd[LINELEN];
char line[LINELEN];
fpos_t rpos;
int n_deleted;
if (!admin_search_user(uname)) {
skygw_log_write(NULL,
@ -218,9 +221,17 @@ char* admin_remove_user(
return ADMIN_ERR_AUTHENTICATION;
}
/** Remove user from in-memory structure */
users_delete(users, uname);
n_deleted = users_delete(users, uname);
if (n_deleted == 0) {
skygw_log_write(NULL,
LOGFILE_MESSAGE,
"Deleting the only user is forbidden. add new user "
"before deleting the old one.\n");
return ADMIN_ERR_DELLASTUSER;
}
/**
* Open passwd file and remove user from the file.
*/