如何在Fedora Core 2下设置vsftp+mysql虚拟用户???????

ProgramFan

我在fc2下面设置vsftp+mysql虚拟用户，方法：
http://dev.csdn.net/Develop/article/27%5C27537.shtm
但是配好后无法登录，原来可以登录的用户也不能用了
为什么呢？
附：编译pam_mysql时出错：
mkdir  ./dynamic
gcc -O2 -Dlinux -DLINUX_PAM -ansi -D_POSIX_SOURCE -Wall -Wwrite-strings -Wpointer-arith -Wcast-qual -Wcast-align -Wtraditional -Wstrict-prototypes -Wmissing-prototypes -Wnested-externs -Winline -Wshadow -pedantic -fPIC -DPAM_DYNAMIC  -c pam_mysql.c -o dynamic/pam_mysql.o
pam_mysql.c: In function `breakArgs':
pam_mysql.c:157: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `parseArgs':
pam_mysql.c:233: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `db_connect':
pam_mysql.c:391: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `db_close':
pam_mysql.c:420: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `db_checkpasswd':
pam_mysql.c:429: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `converse':
pam_mysql.c:613: warning: traditional C rejects ISO C style function definitions
pam_mysql.c:617: warning: dereferencing type-punned pointer will break strict-aliasing rules
pam_mysql.c: In function `saltify':
pam_mysql.c:636: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `updatePasswd':
pam_mysql.c:675: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `askForPassword':
pam_mysql.c:800: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `sqlLog':
pam_mysql.c:839: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `pam_sm_authenticate':
pam_mysql.c:982: warning: traditional C rejects ISO C style function definitions
pam_mysql.c:1009: warning: dereferencing type-punned pointer will break strict-aliasing rules
pam_mysql.c:1014: warning: dereferencing type-punned pointer will break strict-aliasing rules
pam_mysql.c: In function `pam_sm_acct_mgmt':
pam_mysql.c:1047: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `pam_sm_setcred':
pam_mysql.c:1057: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `pam_sm_chauthtok':
pam_mysql.c:1069: warning: traditional C rejects ISO C style function definitions
pam_mysql.c:1113: warning: dereferencing type-punned pointer will break strict-aliasing rules
pam_mysql.c:1120: warning: dereferencing type-punned pointer will break strict-aliasing rules
pam_mysql.c:1147: warning: dereferencing type-punned pointer will break strict-aliasing rules
pam_mysql.c:1158: warning: dereferencing type-punned pointer will break strict-aliasing rules
pam_mysql.c:1173: warning: dereferencing type-punned pointer will break strict-aliasing rules
pam_mysql.c:1180: warning: dereferencing type-punned pointer will break strict-aliasing rules
pam_mysql.c: In function `pam_sm_open_session':
pam_mysql.c:1201: warning: traditional C rejects ISO C style function definitions
pam_mysql.c: In function `pam_sm_close_session':
pam_mysql.c:1211: warning: traditional C rejects ISO C style function definitions
gcc -shared -Xlinker -x -L/usr/lib/mysql -lz -o pam_mysql.so dynamic/pam_mysql.o  -lmysqlclient -lcrypt