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comparison src/osdep/unix/env_unix.c @ 3:2366b362676d draft

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imap-2007f
author HIROSE Yuuji <yuuji@gentei.org>
date Thu, 30 Oct 2014 00:00:57 +0900
parents 28a55bc1110c
children d741b3ecc917
comparison
equal deleted inserted replaced
2:fc6002700ecd 3:2366b362676d
19 * University of Washington 19 * University of Washington
20 * Seattle, WA 98195 20 * Seattle, WA 98195
21 * Internet: MRC@Washington.EDU 21 * Internet: MRC@Washington.EDU
22 * 22 *
23 * Date: 1 August 1988 23 * Date: 1 August 1988
24 * Last Edited: 15 May 2008 24 * Last Edited: 23 February 2009
25 */ 25 */
26 26
27 #include <grp.h> 27 #include <grp.h>
28 #include <signal.h> 28 #include <signal.h>
29 #include <sys/wait.h> 29 #include <sys/wait.h>
420 ret = (void *) (hideDotFiles ? VOIDT : NIL); 420 ret = (void *) (hideDotFiles ? VOIDT : NIL);
421 break; 421 break;
422 case SET_DISABLEPLAINTEXT: 422 case SET_DISABLEPLAINTEXT:
423 disablePlaintext = (long) value; 423 disablePlaintext = (long) value;
424 case GET_DISABLEPLAINTEXT: 424 case GET_DISABLEPLAINTEXT:
425 #ifdef RESTRICT_POP
426 if (getenv("INTRANET") == NIL) disablePlaintext = 1;
427 else disablePlaintext = NIL;
428 #endif
429 ret = (void *) disablePlaintext; 425 ret = (void *) disablePlaintext;
430 break; 426 break;
431 case SET_CHROOTSERVER: 427 case SET_CHROOTSERVER:
432 closedBox = value ? T : NIL; 428 closedBox = value ? T : NIL;
433 case GET_CHROOTSERVER: 429 case GET_CHROOTSERVER:
667 static struct passwd *valpwd (char *user,char *pwd,int argc,char *argv[]) 663 static struct passwd *valpwd (char *user,char *pwd,int argc,char *argv[])
668 { 664 {
669 char *s; 665 char *s;
670 struct passwd *pw; 666 struct passwd *pw;
671 struct passwd *ret = NIL; 667 struct passwd *ret = NIL;
672 #ifndef QMAIL /* imapext md5 checker run previously. no need to do here */
673 if (auth_md5.server) { /* using CRAM-MD5 authentication? */ 668 if (auth_md5.server) { /* using CRAM-MD5 authentication? */
674 if (s = auth_md5_pwd (user)) { 669 if (s = auth_md5_pwd (user)) {
675 if (!strcmp (s,pwd) || ((*pwd == ' ') && pwd[1] && !strcmp (s,pwd+1))) 670 if (!strcmp (s,pwd) || ((*pwd == ' ') && pwd[1] && !strcmp (s,pwd+1)))
676 ret = pwuser (user); /* validated, get passwd entry for user */ 671 ret = pwuser (user); /* validated, get passwd entry for user */
677 memset (s,0,strlen (s)); /* erase sensitive information */ 672 memset (s,0,strlen (s)); /* erase sensitive information */
678 fs_give ((void **) &s); 673 fs_give ((void **) &s);
679 } 674 }
680 } 675 }
681 else 676 else if (pw = pwuser (user)) {/* can get user? */
682 #endif
683 if (pw = pwuser (user)) {/* can get user? */
684 s = cpystr (pw->pw_name); /* copy returned name in case we need it */ 677 s = cpystr (pw->pw_name); /* copy returned name in case we need it */
685 if (*pwd && !(ret = checkpw (pw,pwd,argc,argv)) && 678 if (*pwd && !(ret = checkpw (pw,pwd,argc,argv)) &&
686 (*pwd == ' ') && pwd[1] && (ret = pwuser (s))) 679 (*pwd == ' ') && pwd[1] && (ret = pwuser (s)))
687 ret = checkpw (pw,pwd+1,argc,argv); 680 ret = checkpw (pw,pwd+1,argc,argv);
688 fs_give ((void **) &s); /* don't need copy of name any more */ 681 fs_give ((void **) &s); /* don't need copy of name any more */
702 long server_login (char *user,char *pwd,char *authuser,int argc,char *argv[]) 695 long server_login (char *user,char *pwd,char *authuser,int argc,char *argv[])
703 { 696 {
704 struct passwd *pw = NIL; 697 struct passwd *pw = NIL;
705 int level = LOG_NOTICE; 698 int level = LOG_NOTICE;
706 char *err = "failed"; 699 char *err = "failed";
707 #ifdef QMAIL
708 char usr[MAILTMPLEN], *apoppswd;
709 strncpy(usr, user, MAILTMPLEN-1);
710 #endif
711 /* cretins still haven't given up */ 700 /* cretins still haven't given up */
712 if ((strlen (user) >= NETMAXUSER) || 701 if ((strlen (user) >= NETMAXUSER) ||
713 (authuser && (strlen (authuser) >= NETMAXUSER))) { 702 (authuser && (strlen (authuser) >= NETMAXUSER))) {
714 level = LOG_ALERT; /* escalate this alert */ 703 level = LOG_ALERT; /* escalate this alert */
715 err = "SYSTEM BREAK-IN ATTEMPT"; 704 err = "SYSTEM BREAK-IN ATTEMPT";
716 logtry = 0; /* render this session useless */ 705 logtry = 0; /* render this session useless */
717 } 706 }
718 else if (logtry-- <= 0) err = "excessive login failures"; 707 else if (logtry-- <= 0) err = "excessive login failures";
719 else if (disablePlaintext) err = "disabled"; 708 else if (disablePlaintext) err = "disabled";
720 #ifdef QMAIL
721 else if ((logtry > 0) &&
722 (apoppswd = auth_md5_pwd(usr))
723 && !strcmp(apoppswd, pwd)
724 && (pw = getpwnam(usr))) {
725 memset(apoppswd, 0, strlen(apoppswd));
726 fs_give((void**) &apoppswd);
727 return pw_login(pw, usr, pw->pw_name, pw->pw_dir, argc, argv);
728 }
729 #endif
730 else if (!(authuser && *authuser)) pw = valpwd (user,pwd,argc,argv); 709 else if (!(authuser && *authuser)) pw = valpwd (user,pwd,argc,argv);
731 else if (valpwd (authuser,pwd,argc,argv)) pw = pwuser (user); 710 else if (valpwd (authuser,pwd,argc,argv)) pw = pwuser (user);
732 if (pw && pw_login (pw,authuser,pw->pw_name,NIL,argc,argv)) return T; 711 if (pw && pw_login (pw,authuser,pw->pw_name,NIL,argc,argv)) return T;
733 syslog (level|LOG_AUTH,"Login %s user=%.64s auth=%.64s host=%.80s",err, 712 syslog (level|LOG_AUTH,"Login %s user=%.64s auth=%.64s host=%.80s",err,
734 user,(authuser && *authuser) ? authuser : user,tcp_clienthost ()); 713 user,(authuser && *authuser) ? authuser : user,tcp_clienthost ());
746 725
747 long authserver_login (char *user,char *authuser,int argc,char *argv[]) 726 long authserver_login (char *user,char *authuser,int argc,char *argv[])
748 { 727 {
749 return pw_login (pwuser (user),authuser,user,NIL,argc,argv); 728 return pw_login (pwuser (user),authuser,user,NIL,argc,argv);
750 } 729 }
751
752 void permitsmtp() /* to update tcp permission */
753 {
754 #ifdef POPBEFORESMTP
755 #include <sys/types.h>
756 #include <sys/wait.h>
757 #ifndef POP3RECORDER
758 # define POP3RECORDER "/usr/local/etc/pop3-record"
759 #endif
760 int child;
761 int wstat;
762 char *permsmtp = POP3RECORDER;
763
764 switch(child = fork())
765 {
766 case -1:
767 syslog (LOG_INFO,"Cannot exec %s", permsmtp);
768 _exit(111);
769 break;
770 case 0:
771 execl(permsmtp, permsmtp, 0);
772 syslog (LOG_INFO,"Cannot exec %s", permsmtp);
773 _exit(111); break;
774 }
775 waitpid(child, &wstat, 0);
776 #endif
777 }
778
779 730
780 731
781 /* Log in as anonymous daemon 732 /* Log in as anonymous daemon
782 * Accepts: argument count 733 * Accepts: argument count
783 * argument vector 734 * argument vector
828 pw->pw_name,home,tcp_clienthost ()); 779 pw->pw_name,home,tcp_clienthost ());
829 else if (loginpw (pw,argc,argv)) ret = env_init (user,NIL); 780 else if (loginpw (pw,argc,argv)) ret = env_init (user,NIL);
830 else fatal ("Login failed after chroot"); 781 else fatal ("Login failed after chroot");
831 } 782 }
832 /* normal login */ 783 /* normal login */
833 #ifdef QMAIL
834 else if (((pw->pw_uid == geteuid ()) || (permitsmtp(), loginpw (pw,argc,argv
835 ))) &&
836 (ret = env_init (user,home))) chdir (myhomedir ());
837 #else
838 else if (((pw->pw_uid == geteuid ()) || loginpw (pw,argc,argv)) && 784 else if (((pw->pw_uid == geteuid ()) || loginpw (pw,argc,argv)) &&
839 (ret = env_init (user,home))) chdir (myhomedir ()); 785 (ret = env_init (user,home))) chdir (myhomedir ());
840 #endif
841 fs_give ((void **) &home); /* clean up */ 786 fs_give ((void **) &home); /* clean up */
842 if (user) fs_give ((void **) &user); 787 if (user) fs_give ((void **) &user);
843 } 788 }
844 endpwent (); /* in case shadow passwords in pw data */ 789 endpwent (); /* in case shadow passwords in pw data */
845 return ret; /* return status */ 790 return ret; /* return status */
1866 long ret; 1811 long ret;
1867 short rsave = restrictBox; 1812 short rsave = restrictBox;
1868 restrictBox = NIL; /* can't restrict */ 1813 restrictBox = NIL; /* can't restrict */
1869 if (blackBox) { /* if black box */ 1814 if (blackBox) { /* if black box */
1870 /* toss out driver dependent names */ 1815 /* toss out driver dependent names */
1871 printf (path,"%s/INBOX",mymailboxdir ()); 1816 sprintf (path,"%s/INBOX",mymailboxdir ());
1872 blackBox = NIL; /* well that's evil - evil is going on */ 1817 blackBox = NIL; /* well that's evil - evil is going on */
1873 ret = mail_create (stream,path); 1818 ret = mail_create (stream,path);
1874 blackBox = T; /* restore the box */ 1819 blackBox = T; /* restore the box */
1875 } 1820 }
1876 /* easy thing otherwise */ 1821 /* easy thing otherwise */

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