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- Newsgroups: comp.mail.sendmail
- Path: sparky!uunet!gumby!wupost!tulane!rouge!jpd
- From: jpd@ucs.usl.edu (Dugal James P.)
- Subject: UIUC/IDA sendmail 565c bug + FIX
- Message-ID: <1992Nov17.234000.14505@usl.edu>
- Sender: anon@usl.edu (Anonymous NNTP Posting)
- Organization: Univ. of Southwestern La., Lafayette
- Date: Tue, 17 Nov 1992 23:40:00 GMT
- Lines: 102
-
- Here is a smtp trace from the KA9Q program, sending mail to a SunOS system
- running sendmail 5.65c. Note that the second MAIL FROM is lost (or more
- properly, received out-of-order) by sendmail, resulting in a 503 error.
- The KA9Q option SMTP BATCH was set on, which causes the HELO, MAIL FROM,
- RCPT TO, and DATA commands to be sent in one transmission.
-
- Connected
- smtp sent: HELO smh323.ucs.usl.edu
- smtp sent: MAIL FROM:<jpd@smh323.ucs.usl.edu>
- smtp sent: RCPT TO:<jpd@ucs.usl.edu>
- smtp sent: DATA
- smtp recv: 220 armagnac.ucs.usl.edu 5.65c/IDA-1.4.4 Sendmail is ready at Tue, 17
- Nov 1992 14:02:51 -0600
- smtp recv: 250 Hello smh323.ucs.usl.edu, pleased to meet you
- smtp recv: 250 <jpd@smh323.ucs.usl.edu>... Sender ok
- smtp recv: 250 <jpd@ucs.usl.edu>... Recipient ok
- smtp recv: 354 Enter mail, end with "." on a line by itself
- smtp sent: .
- smtp recv: 250 Ok
- sending job 45
- smtp sent: MAIL FROM:<jpd@smh323.ucs.usl.edu>
- smtp sent: RCPT TO:<jpd@ucs.usl.edu>
- smtp sent: DATA
- smtp recv: 250 <jpd@ucs.usl.edu>... Recipient ok
- smtp recv: 503 Need valid MAIL command
- smtp recv: 250 <jpd@smh323.ucs.usl.edu>... Sender ok
- smtp sent: .
- smtp sent: QUIT
- smtp job /spool/mqueue/45.wrk returned to sender
-
- ===================================================================
-
- Here is another trace from the KA9Q program, this time with the SMTP
- BATCH option set to no, ie, lock-step mode.
-
- Connected
- smtp sent: HELO smh323.ucs.usl.edu
- smtp sent: MAIL FROM:<jpd@smh323.ucs.usl.edu>
- smtp sent: RCPT TO:<jpd@ucs.usl.edu>
- smtp sent: DATA
- smtp recv: 354 Enter mail, end with "." on a line by itself
- smtp sent: .
- smtp recv: 250 Ok
- sending job 39
- smtp sent: MAIL FROM:<jpd@smh323.ucs.usl.edu>
- smtp recv: 250 <jpd@smh323.ucs.usl.edu>... Sender ok
- smtp sent: RCPT TO:<jpd@ucs.usl.edu>
- smtp recv: 250 <jpd@ucs.usl.edu>... Recipient ok
- smtp sent: DATA
- smtp recv: 354 Enter mail, end with "." on a line by itself
- smtp sent: .
- smtp recv: 250 Ok
- sending job 41
- smtp sent: MAIL FROM:<jpd@smh323.ucs.usl.edu>
- smtp recv: 250 <jpd@smh323.ucs.usl.edu>... Sender ok
- smtp sent: RCPT TO:<jpd@ucs.usl.edu>
- smtp recv: 250 <jpd@ucs.usl.edu>... Recipient ok
- smtp sent: DATA
- smtp recv: 354 Enter mail, end with "." on a line by itself
- smtp sent: .
- smtp recv: 250 Ok
- smtp sent: QUIT
-
- ===================================================================
-
- I have looked at the srvrsmtp.c source, and found that when I changed it
- to NOT spawn a child process in reponse to the MAIL FROM command, my
- problem went away. Here's a diff:
-
- *** srvrsmtp.c.orig Mon Jun 24 15:27:31 1991
- --- srvrsmtp.c Tue Nov 17 13:31:18 1992
- ***************
- *** 267,275 ****
- --- 277,288 ----
- exit(0);
- }
-
- + #ifdef notdef
- + /* ka9q smtp batch fails for 2nd MAIL in a connection */
- /* fork a subprocess to process this command */
- if (runinchild("SMTP-MAIL") > 0)
- break;
- + #endif
- define('s', sendinghost, CurEnv);
- define('r', "SMTP", CurEnv);
- initsys();
- ===============================================
-
- Is there a more elegant fix, or at least a diagnosis of what's
- happening and why this fixes the problem?
-
- -- James Dugal, N5KNX Internet: jpd@usl.edu
- Associate Director Ham packet: n5knx @k5arh (land), UO-22 (sat.)
- Computing Center US Mail: PO Box 42770 Lafayette, LA 70504
- University of Southwestern LA. Tel. 318-231-6417 U.S.A.
-
-
- --
- -- James Dugal, N5KNX Internet: jpd@usl.edu
- Associate Director Ham packet: n5knx @k5arh (land), UO-22 (sat.)
- Computing Center US Mail: PO Box 42770 Lafayette, LA 70504
- University of Southwestern LA. Tel. 318-231-6417 U.S.A.
-