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Purpose of commit: new feature
Commit summary:
---------------
2009-02-27 Tomas Mraz <t8m@centrum.cz>
* modules/pam_mkhomedir/pam_mkhomedir.c(create_homedir): Replace
signal() with sigaction().
* modules/pam_namespace/pam_namespace.c(inst_init, cleanup_tmpdirs):
Likewise.
* modules/pam_unix/pam_unix_acct.c(_unix_run_verify_binary): Likewise.
* modules/pam_unix/pam_unix_passwd.c(_unix_run_update_binary):
Likewise.
* modules/pam_unix/passverify.c(su_sighandler): Likewise.
* modules/pam_unix/support.c(_unix_run_helper_binary): Likewise.
* modules/pam_tally2/Makefile.am: Link the pam_tally2 app to libpam
for auxiliary functions.
* modules/pam_tally2/pam_tally2.8.xml: Drop non-existing no_reset
option. Document new serialize option.
* modules/pam_tally2/pam_tally2.c: Add support for the new serialize
option.
(_cleanup, tally_set_data, tally_get_data): Add tally file handle to
tally PAM data. Needed for fcntl() locking.
(get_tally): Use low level file access instead of stdio buffered FILE.
If serialize option is used lock the tally file access.
(set_tally, tally_bump, tally_reset): Use low level file access instead
of stdio buffered FILE. Close the file handle only when it is not owned
by PAM data.
(pam_sm_authenticate, pam_sm_setcred, pam_sm_acct_mgmt): Pass the tally
file handle to tally_set_data(). Get it from tally_get_data().
(main): Use low level file access instead of stdio buffered FILE.
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