| daemon.c (157001) | daemon.c (159609) |
|---|---|
| 1/* 2 * Copyright (c) 1998-2006 Sendmail, Inc. and its suppliers. 3 * All rights reserved. 4 * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. 5 * Copyright (c) 1988, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * By using this file, you agree to the terms and conditions set 9 * forth in the LICENSE file which can be found at the top level of 10 * the sendmail distribution. 11 * 12 */ 13 14#include <sendmail.h> 15 | 1/* 2 * Copyright (c) 1998-2006 Sendmail, Inc. and its suppliers. 3 * All rights reserved. 4 * Copyright (c) 1983, 1995-1997 Eric P. Allman. All rights reserved. 5 * Copyright (c) 1988, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * By using this file, you agree to the terms and conditions set 9 * forth in the LICENSE file which can be found at the top level of 10 * the sendmail distribution. 11 * 12 */ 13 14#include <sendmail.h> 15 |
| 16SM_RCSID("@(#)$Id: daemon.c,v 8.665 2006/03/02 19:12:00 ca Exp $") | 16SM_RCSID("@(#)$Id: daemon.c,v 8.666 2006/04/18 01:23:42 ca Exp $") |
| 17 18#if defined(SOCK_STREAM) || defined(__GNU_LIBRARY__) 19# define USE_SOCK_STREAM 1 20#endif /* defined(SOCK_STREAM) || defined(__GNU_LIBRARY__) */ 21 22#if defined(USE_SOCK_STREAM) 23# if NETINET || NETINET6 24# include <arpa/inet.h> --- 490 unchanged lines hidden (view full) --- 515#ifdef EWOULDBLOCK 516 || save_errno == EWOULDBLOCK 517#endif /* EWOULDBLOCK */ 518 ) 519 continue; 520 521 syserr("getrequests: accept"); 522 | 17 18#if defined(SOCK_STREAM) || defined(__GNU_LIBRARY__) 19# define USE_SOCK_STREAM 1 20#endif /* defined(SOCK_STREAM) || defined(__GNU_LIBRARY__) */ 21 22#if defined(USE_SOCK_STREAM) 23# if NETINET || NETINET6 24# include <arpa/inet.h> --- 490 unchanged lines hidden (view full) --- 515#ifdef EWOULDBLOCK 516 || save_errno == EWOULDBLOCK 517#endif /* EWOULDBLOCK */ 518 ) 519 continue; 520 521 syserr("getrequests: accept"); 522 |
| 523 /* arrange to re-open the socket next time around */ 524 (void) close(Daemons[curdaemon].d_socket); 525 Daemons[curdaemon].d_socket = -1; | 523 if (curdaemon >= 0) 524 { 525 /* arrange to re-open socket next time around */ 526 (void) close(Daemons[curdaemon].d_socket); 527 Daemons[curdaemon].d_socket = -1; |
| 526#if SO_REUSEADDR_IS_BROKEN | 528#if SO_REUSEADDR_IS_BROKEN |
| 527 /* 528 ** Give time for bound socket to be released. 529 ** This creates a denial-of-service if you can 530 ** force accept() to fail on affected systems. 531 */ | 529 /* 530 ** Give time for bound socket to be released. 531 ** This creates a denial-of-service if you can 532 ** force accept() to fail on affected systems. 533 */ |
| 532 | 534 |
| 533 Daemons[curdaemon].d_refuse_connections_until = curtime() + 15; | 535 Daemons[curdaemon].d_refuse_connections_until = 536 curtime() + 15; |
| 534#endif /* SO_REUSEADDR_IS_BROKEN */ | 537#endif /* SO_REUSEADDR_IS_BROKEN */ |
| 538 } |
|
| 535 continue; 536 } 537 538 if (!control) 539 { 540 /* set some daemon related macros */ 541 switch (Daemons[curdaemon].d_addr.sa.sa_family) 542 { --- 1535 unchanged lines hidden (view full) --- 2078{ 2079 register volatile int addrno = 0; 2080 volatile int s; 2081 register struct hostent *volatile hp = (struct hostent *) NULL; 2082 SOCKADDR addr; 2083 SOCKADDR clt_addr; 2084 int save_errno = 0; 2085 volatile SOCKADDR_LEN_T addrlen; | 539 continue; 540 } 541 542 if (!control) 543 { 544 /* set some daemon related macros */ 545 switch (Daemons[curdaemon].d_addr.sa.sa_family) 546 { --- 1535 unchanged lines hidden (view full) --- 2082{ 2083 register volatile int addrno = 0; 2084 volatile int s; 2085 register struct hostent *volatile hp = (struct hostent *) NULL; 2086 SOCKADDR addr; 2087 SOCKADDR clt_addr; 2088 int save_errno = 0; 2089 volatile SOCKADDR_LEN_T addrlen; |
| 2086 volatile bool firstconnect; | 2090 volatile bool firstconnect = true; |
| 2087 SM_EVENT *volatile ev = NULL; 2088#if NETINET6 2089 volatile bool v6found = false; 2090#endif /* NETINET6 */ 2091 volatile int family = InetMode; 2092 SOCKADDR_LEN_T len; 2093 volatile SOCKADDR_LEN_T socksize = 0; 2094 volatile bool clt_bind; --- 386 unchanged lines hidden (view full) --- 2481# if NETINET6 2482 if (hp != NULL) 2483 freehostent(hp); 2484# endif /* NETINET6 */ 2485 return EX_TEMPFAIL; 2486 } 2487#endif /* XLA */ 2488 | 2091 SM_EVENT *volatile ev = NULL; 2092#if NETINET6 2093 volatile bool v6found = false; 2094#endif /* NETINET6 */ 2095 volatile int family = InetMode; 2096 SOCKADDR_LEN_T len; 2097 volatile SOCKADDR_LEN_T socksize = 0; 2098 volatile bool clt_bind; --- 386 unchanged lines hidden (view full) --- 2485# if NETINET6 2486 if (hp != NULL) 2487 freehostent(hp); 2488# endif /* NETINET6 */ 2489 return EX_TEMPFAIL; 2490 } 2491#endif /* XLA */ 2492 |
| 2489 firstconnect = true; | |
| 2490 for (;;) 2491 { 2492 if (tTd(16, 1)) 2493 sm_dprintf("makeconnection (%s [%s].%d (%d))\n", 2494 host, anynet_ntoa(&addr), ntohs(port), 2495 (int) addr.sa.sa_family); 2496 2497 /* save for logging */ --- 1956 unchanged lines hidden --- | 2493 for (;;) 2494 { 2495 if (tTd(16, 1)) 2496 sm_dprintf("makeconnection (%s [%s].%d (%d))\n", 2497 host, anynet_ntoa(&addr), ntohs(port), 2498 (int) addr.sa.sa_family); 2499 2500 /* save for logging */ --- 1956 unchanged lines hidden --- |