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author | Eduardo Chappa <echappa@gmx.com> | 2013-02-03 00:59:38 -0700 |
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committer | Eduardo Chappa <echappa@gmx.com> | 2013-02-03 00:59:38 -0700 |
commit | 094ca96844842928810f14844413109fc6cdd890 (patch) | |
tree | e60efbb980f38ba9308ccb4fb2b77b87bbc115f3 /imap/src/osdep/unix/log_bsi.c | |
download | alpine-094ca96844842928810f14844413109fc6cdd890.tar.xz |
Initial Alpine Version
Diffstat (limited to 'imap/src/osdep/unix/log_bsi.c')
-rw-r--r-- | imap/src/osdep/unix/log_bsi.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/imap/src/osdep/unix/log_bsi.c b/imap/src/osdep/unix/log_bsi.c new file mode 100644 index 00000000..5db7415d --- /dev/null +++ b/imap/src/osdep/unix/log_bsi.c @@ -0,0 +1,55 @@ +/* ======================================================================== + * Copyright 1988-2006 University of Washington + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * + * ======================================================================== + */ + +/* + * Program: BSI login + * + * Author: Mark Crispin + * Networks and Distributed Computing + * Computing & Communications + * University of Washington + * Administration Building, AG-44 + * Seattle, WA 98195 + * Internet: MRC@CAC.Washington.EDU + * + * Date: 1 August 1988 + * Last Edited: 30 August 2006 + */ + +/* Log in + * Accepts: login passwd struct + * argument count + * argument vector + * Returns: T if success, NIL otherwise + */ + +long loginpw (struct passwd *pw,int argc,char *argv[]) +{ + long ret = NIL; + uid_t euid = geteuid (); + login_cap_t *lc = login_getclass (pw->pw_class); + /* have class and can become user? */ + if (lc && !seteuid (pw->pw_uid)) { + /* ask for approval */ + if (auth_approve (lc,pw->pw_name, + (char *) mail_parameters (NIL,GET_SERVICENAME,NIL)) <= 0) + seteuid (euid); /* not approved, restore root euid */ + else { /* approved */ + seteuid (euid); /* restore former root euid first */ + setsid (); /* ensure we are session leader */ + /* log the guy in */ + ret = !setusercontext (lc,pw,pw->pw_uid,LOGIN_SETALL&~LOGIN_SETPATH); + } + } + return ret; +} |