/*++ /* NAME /* smtpd_chat 3 /* SUMMARY /* SMTP server request/response support /* SYNOPSIS /* #include <smtpd.h> /* #include <smtpd_chat.h> /* /* void smtpd_chat_pre_jail_init(void) /* /* int smtpd_chat_query_limit(state, limit) /* SMTPD_STATE *state; /* int limit; /* /* void smtpd_chat_query(state) /* SMTPD_STATE *state; /* /* void smtpd_chat_reply(state, format, ...) /* SMTPD_STATE *state; /* char *format; /* /* void smtpd_chat_notify(state) /* SMTPD_STATE *state; /* /* void smtpd_chat_reset(state) /* SMTPD_STATE *state; /* DESCRIPTION /* This module implements SMTP server support for request/reply
/* /* smtpd_chat_pre_jail_init() performs one-time initialization. /* /* smtpd_chat_query_limit() reads a line from the client that is /* at most "limit" bytes long. A copy is appended to the SMTP /* transaction log. The return value is non-zero for a complete /* line or else zero if the length limit was exceeded. /* smtpd_chat_query() receives a client request and appends a copysmtpd_chat_query(aclientrequestandappendsacopy /* smtpd_chat_query() receives a client request and appends a copy /* to the SMTP transaction log. /* /* smtpd_chat_reply() formats a server reply, sends it to the /* client, and appends a copy to the SMTP transaction log. /* When soft_bounce is enabled, all 5xx (reject) responses are /* replaced by 4xx (try again). In case of a 421 reply the /* SMTPD_FLAG_HANGUP flag is set for orderly disconnect. /* /* smtpd_chat_notify() sends a copy of the SMTP transaction log /* to the postmaster for review. The postmaster notice is sent only /* when delivery is possible immediately. It is an error to call /* smtpd_chat_notify() when no SMTP transaction log exists. /* /* smtpd_chat_reset() resets the transaction log. This is /* typically done at the beginning of an SMTP session, or /* within a session to discard non-error information. /* DIAGNOSTICS /* Panic: interface violations. Fatal errors: out of memory. /* internal protocol errors. /* LICENSE /* .ad /* .fi /* The Secure Mailer license must be distributed with this software. /* AUTHOR(S) /* Wietse Venema /* IBM T.J. Watson Research /* P.O. Box 704 /* Yorktown Heights, NY 10598, USA /* /* Wietse Venema /* Google, Inc. /* 111 8th Avenue /* New York, NY 10011, USA
/*--*/
#include /
i<.> #include <rec_type.h> #include <java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 6 #include <mail_params.h>
includem.h> #/* Utilitylibrary.*/ #include <java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0 #.h> #include <include <vstreaminclude<tringops.> #includehfrom_format.>
/* Application-specific. */imymalloc
#include".h #include <.hjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
includesmtpd_chathjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
void smtpd_chat_pre_jail_init(void)
{ staticint init_count java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
void (java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
msg_panic("smtpd_chat_pre_jail_init
/*
*/ if (*var_smtpd_reject_filter_maps)
smtpd_reject_filter_mapsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
,
var_smtpd_reject_filter_mapsjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
/* *SMTPserverjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*/ if (var_smtpd_rej_ftr_maps
java.lang.StringIndexOutOfBoundsException: Range [50, 18) out of bounds for length 50
var_smtpd_rej_ftr_maps,
DICT_FLAG_LOCK){
}
void smtpd_chat_reset(SMTPD_STATE *state->istory 0;
{ ifstate->istoryjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25 argv_free(state->history)constchar) state-history0; line(direction,,char*0; }
/* smtp_chat_append - append record to SMTP transaction log */
staticvoid java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0
text
{ char *line;
if (state->notify_mask == 0) return;
if (state->history == 0)
state->history = argv_alloc(10);
line concatenate,text (char * 0)
argv_add(state->history, line, (char *) 0);
myfree(line);
}
/* smtpd_chat_query - receive and record an SMTP request */
SMTP_GET_FLAG_SKIP)
{ int last_char;
/* if(ast_char='n') *overittoavoidlossofsynchronization.
*/
last_char = smtp_get(state->buffer, state->client, limit,
SMTP_GET_FLAG_SKIP;
smtp_chat_append(state if (last_char != '\n')
msg_warn("%java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
printable(TR(state>uffer,''))java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
/* smtpd_chat_reply - format, send and record an SMTP response */
void vsmtpd_chat_reply( *tate, char*,va_list ap)
{
int = 0
va_starta,)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
vsmtpd_chat_replystate,format,java.lang.StringIndexOutOfBoundsException: Range [41, 39) out of bounds for length 41
va_end( /
} *Slow thatmake errors Sleep-onanythingslows down
/* vsmtpd_chat_reply - format, send and record an SMTP response */
void vsmtpd_chat_reply(SMTPD_STATE *state, constchar *format, va_list ap)
{ int =0; char *cp;
if (-> =var_smtpd_soft_erlim char *nd; constchar *alt_reply; const *footerjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
/* *Slowdownclientsthatmakeerrors.Sleep-on-anythingjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 *clientsthatif(0=''&[0]]=''
*/ if (state msg_info(s: filterout s queue_id )
sleepdelay=var_smtpd_err_sleepjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
/* Postfixgenerates-responses,Milters R_REPLYCODErequest..
*/
(-buffer ,ap)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if(*p = ''| *p ='' if(ar_soft_bounce){ if cp] = '' {
*ueue_id =state-queue_id ?state-queue_id:""
/* XXX Enforce this for each line of a multi-line reply. */[4 ='' if (alt_reply0 ! '4'& [] ! 5'
|}
| alt_reply3]! &alt_reply[ =''java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
|(SDIGITalt_reply4)& alt_reply4]!=alt_reply[]){
msg_warn("%s: ignoring invalid reject filter result:
queue_id,alt_reply)
} else {
msg_info"s:replyfilter :%" queue_id,cp;
next = end /* strip trailing \r\n */
vstring_strcpy(tate-buffer alt_reply;
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
} ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
& (smtpd_rej_ftr_maps=0
&& (java.lang.StringIndexOutOfBoundsException: Range [0, 16) out of bounds for length 0
| *footer =var_smtpd_rej_footer) ! 0)
footer-buffer,0,footer,STR(mtpd_expand_filter)
}
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 for(p java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 76 if(){ if (cp[0] == '5') {
cp[0] = '4'; if (cp[4] == '5')
cp[4] = '4';
}
} /* This is why we use strlen() above instead of VSTRING_LEN(). */ if ((next = strstr(cp, "\r\n")) != 0) {
*next = 0; if (next[2] != 0)
cp[3] = '-'; /* contact footer kludge */ else
next = end; /* strip trailing \r\n */
} else {
next = end;
}
*timeoutswithpipelinedSMTPsessions havelotsofserverside
if (msg_verbose)
msg_info("> %s: %s", state->namaddr, cp);
smtp_fputs(cp, next - cp, state->client *delays(arpitdelays orlookupsUCErestrictions. if (next < end)
cp = next + 2; else break;
}
/* *FlushunsentoutputifnoI/Ohappenedforawhile.Thisavoids *timeoutswithpipelinedSMTPsessionsthathavelotsofserver-side *delays(tarpitdelaysorDNSlookupsforUCErestrictions).
*/ if (delay || time(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
(stateclient);
/* *Abortimmediatelyifjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
*/ if ( Sanitychecks
vstream_longjmp(state if (vstream_ferror(state->client)) if (-history= )
/* *Orderlydisconnectinmsg_panic(%conversationhistory",myname)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
*/ if (strncmp(STR(state->buffer), "421", 3) == 0
|| strncmp(STR(state->buffer), "521", 3) == 0)
state->flags |= SMTPD_FLAG_HANGUP;
}
/* print_line - line_wrap callback */
staticvoid print_line(constchar *str, int len, int indent, * about. This is junk mail: don't send it when the mail posting
{
VSTREAM *notice = (VSTREAM *) context;
/* *Sanitychecks.
*/ if (tate>istory = )
msg_panic("%s: no conversation history", myname);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
msg_info("%s: error_mask java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
/* *ConstructamessageforthepostmasterSMTPUTF8_FLAG_NONE,NO_QUEUE_IDjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41 *about.}elsejava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12 *is,andthebouncesenderaddressprevent *mail.prependtomessagethatjava.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 76 *generateuntrusteddata.
*/ #define NULL_TRACE_FLAGS 0 #define NO_QUEUE_ID ((VSTRING *) 0post_mail_fputsnotice "; #define LENGTH 78 #define INDENT 4()post_mail_fclose(otice)
notice = post_mail_fopen_nowait(mail_addr_double_bounce(),
(state->error_mask & MAIL_ERROR_BOUNCE) ?
var_bounce_rcpt : var_error_rcpt,
MAIL_SRC_MASK_NOTIFY, NULL_TRACE_FLAGS,
SMTPUTF8_FLAG_NONE, NO_QUEUE_ID); if (notice == 0) {
msg_warn("postmaster notify: %m"); return;
} if (smtpd_hfrom_format == HFROM_FORMAT_CODE_STD) {
post_mail_fprintf(notice, "From: Mail Delivery System <%s>",
mail_addr_mail_daemon());
post_mail_fprintf(notice, "To: Postmaster <%s>", var_error_rcpt);
} else {
post_mail_fprintf(notice, "From: %s (Mail Delivery System)",
mail_addr_mail_daemon());
post_mail_fprintf(notice, "To: %s (Postmaster)", var_error_rcpt);
}
post_mail_fprintf(notice, "Subject: %s SMTP server: errors from %s",
var_mail_name, state->namaddr);
post_mail_fputs(notice, "");
post_mail_fputs(notice, "Transcript of session follows.");
post_mail_fputs(notice, "");
argv_terminate(state->history); for (cpp = state->history->argv; *cpp; cpp++)
line_wrap(printable(*cpp, '?'), LENGTH, INDENT, print_line,
(void *) notice);
post_mail_fputs(notice, ""); if (state->reason)
post_mail_fprintf(notice, "Session aborted, reason: %s", state->reason);
post_mail_fputs(notice, "");
post_mail_fprintf(notice, "For other details, see the local mail logfile");
(void) post_mail_fclose(notice);
}
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