X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=jbsockets.c;h=19bd879f8be02e076c30fac367e280e8b3db180a;hp=bcbd81837960712c7ab3a2af4f3b84218459b3fa;hb=c31dff24961d15a9cf13b81ec3d19ad68074107a;hpb=9765ed60918184ed03c0c11e897a92f3fa9aef3b diff --git a/jbsockets.c b/jbsockets.c index bcbd8183..19bd879f 100644 --- a/jbsockets.c +++ b/jbsockets.c @@ -1,4 +1,4 @@ -const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.9 2001/06/07 23:06:09 jongfoster Exp $"; +const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.20 2001/11/16 00:48:48 jongfoster Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/jbsockets.c,v $ @@ -35,6 +35,48 @@ const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.9 2001/06/07 23:06:09 jongfos * * Revisions : * $Log: jbsockets.c,v $ + * Revision 1.20 2001/11/16 00:48:48 jongfoster + * Enabling duplicate-socket detection for all platforms, not + * just Win32. + * + * Revision 1.19 2001/10/25 03:40:47 david__schmidt + * Change in porting tactics: OS/2's EMX porting layer doesn't allow multiple + * threads to call select() simultaneously. So, it's time to do a real, live, + * native OS/2 port. See defines for __EMX__ (the porting layer) vs. __OS2__ + * (native). Both versions will work, but using __OS2__ offers multi-threading. + * + * Revision 1.18 2001/09/21 23:02:02 david__schmidt + * Cleaning up 2 compiler warnings on OS/2. + * + * Revision 1.17 2001/09/13 20:11:46 jongfoster + * Fixing 2 compiler warnings under Win32 + * + * Revision 1.16 2001/07/30 22:08:36 jongfoster + * Tidying up #defines: + * - All feature #defines are now of the form FEATURE_xxx + * - Permanently turned off WIN_GUI_EDIT + * - Permanently turned on WEBDAV and SPLIT_PROXY_ARGS + * + * Revision 1.15 2001/07/29 17:40:43 jongfoster + * Fixed compiler warning by adding a cast + * + * Revision 1.14 2001/07/18 13:47:59 oes + * Eliminated dirty hack for getsockbyname() + * + * Revision 1.13 2001/07/15 13:56:57 jongfoster + * Removing unused local variable. + * + * Revision 1.12 2001/07/01 17:04:11 oes + * Bugfix: accept_connection no longer uses the obsolete hstrerror() function + * + * Revision 1.11 2001/06/29 21:45:41 oes + * Indentation, CRLF->LF, Tab-> Space + * + * Revision 1.10 2001/06/29 13:29:15 oes + * - Added remote (server) host IP to csp->http->host_ip_addr_str + * - Added detection of local socket IP and fqdn + * - Removed logentry from cancelled commit + * * Revision 1.9 2001/06/07 23:06:09 jongfoster * The host parameter to connect_to() is now const. * @@ -85,7 +127,9 @@ const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.9 2001/06/07 23:06:09 jongfos #else +#ifndef __OS2__ #include +#endif #include #include #include @@ -94,11 +138,18 @@ const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.9 2001/06/07 23:06:09 jongfos #ifndef __BEOS__ #include +#ifndef __OS2__ #include +#endif #else #include #endif +#if defined(__EMX__) || defined (__OS2__) +#include /* OS/2/EMX needs a little help with select */ +#include +#endif + #endif #include "project.h" @@ -135,41 +186,49 @@ int connect_to(const char *host, int portnum, struct client_state *csp) int flags; #endif /* !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) */ -#ifdef ACL_FILES +#ifdef FEATURE_ACL struct access_control_addr dst[1]; -#endif /* def ACL_FILES */ +#endif /* def FEATURE_ACL */ memset((char *)&inaddr, 0, sizeof inaddr); if ((addr = resolve_hostname_to_ip(host)) == -1) { - csp->http->host_ip_addr_str = strdup("unknown"); + csp->http->host_ip_addr_str = strdup("unknown"); return(-1); } -#ifdef ACL_FILES +#ifdef FEATURE_ACL dst->addr = ntohl(addr); dst->port = portnum; if (block_acl(dst, csp)) { +#ifdef __OS2__ + errno = SOCEPERM; +#else errno = EPERM; +#endif return(-1); } -#endif /* def ACL_FILES */ +#endif /* def FEATURE_ACL */ inaddr.sin_addr.s_addr = addr; inaddr.sin_family = AF_INET; csp->http->host_ip_addr_str = strdup(inet_ntoa(inaddr.sin_addr)); +#ifndef _WIN32 if (sizeof(inaddr.sin_port) == sizeof(short)) +#endif /* ndef _WIN32 */ { inaddr.sin_port = htons((short)portnum); } +#ifndef _WIN32 else { inaddr.sin_port = htonl(portnum); } +#endif /* ndef _WIN32 */ if ((fd = socket(inaddr.sin_family, SOCK_STREAM, 0)) < 0) { @@ -183,39 +242,45 @@ int connect_to(const char *host, int portnum, struct client_state *csp) } #endif /* def TCP_NODELAY */ -#if !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) +#if !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) && !defined(__OS2__) if ((flags = fcntl(fd, F_GETFL, 0)) != -1) { flags |= O_NDELAY; fcntl(fd, F_SETFL, flags); } -#endif /* !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) */ +#endif /* !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) && !defined(__OS2__) */ while (connect(fd, (struct sockaddr *) & inaddr, sizeof inaddr) == -1) { #ifdef _WIN32 if (errno == WSAEINPROGRESS) +#elif __OS2__ + if (sock_errno() == EINPROGRESS) #else /* ifndef _WIN32 */ if (errno == EINPROGRESS) -#endif /* ndef _WIN32 */ +#endif /* ndef _WIN32 || __OS2__ */ { break; } +#ifdef __OS2__ + if (sock_errno() != EINTR) +#else if (errno != EINTR) +#endif /* __OS2__ */ { close_socket(fd); return(-1); } } -#if !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) +#if !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) && !defined(__OS2__) if (flags != -1) { flags &= ~O_NDELAY; fcntl(fd, F_SETFL, flags); } -#endif /* !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) */ +#endif /* !defined(_WIN32) && !defined(__BEOS__) && !defined(AMIGA) && !defined(__OS2__) */ /* wait for connection to complete */ FD_ZERO(&wfds); @@ -259,7 +324,7 @@ int write_socket(int fd, const char *buf, int len) log_error(LOG_LEVEL_LOG, "%N", len, buf); -#if defined(_WIN32) || defined(__BEOS__) || defined(AMIGA) +#if defined(_WIN32) || defined(__BEOS__) || defined(AMIGA) || defined(__OS2__) return( send(fd, buf, len, 0)); #else return( write(fd, buf, len)); @@ -300,7 +365,7 @@ int read_socket(int fd, char *buf, int len) return(0); } -#if defined(_WIN32) || defined(__BEOS__) || defined(AMIGA) +#if defined(_WIN32) || defined(__BEOS__) || defined(AMIGA) || defined(__OS2__) return( recv(fd, buf, len, 0)); #else return( read(fd, buf, len)); @@ -326,6 +391,8 @@ void close_socket(int fd) closesocket(fd); #elif defined(AMIGA) CloseSocket(fd); +#elif defined(__OS2__) + soclose(fd); #else close(fd); #endif @@ -352,21 +419,29 @@ int bind_port(const char *hostnam, int portnum) { struct sockaddr_in inaddr; int fd; +#if 0 +#ifndef _WIN32 int one = 1; +#endif /* ndef _WIN32 */ +#endif memset((char *)&inaddr, '\0', sizeof inaddr); inaddr.sin_family = AF_INET; inaddr.sin_addr.s_addr = resolve_hostname_to_ip(hostnam); +#ifndef _WIN32 if (sizeof(inaddr.sin_port) == sizeof(short)) +#endif /* ndef _WIN32 */ { inaddr.sin_port = htons((short)portnum); } +#ifndef _WIN32 else { inaddr.sin_port = htonl(portnum); } +#endif /* ndef _WIN32 */ fd = socket(AF_INET, SOCK_STREAM, 0); @@ -375,6 +450,7 @@ int bind_port(const char *hostnam, int portnum) return(-1); } +#if 0 #ifndef _WIN32 /* * FIXME: This is not needed for Win32 - in fact, it stops @@ -384,6 +460,7 @@ int bind_port(const char *hostnam, int portnum) */ setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&one, sizeof(one)); #endif /* ndef _WIN32 */ +#endif if (bind (fd, (struct sockaddr *)&inaddr, sizeof(inaddr)) < 0) { @@ -433,18 +510,24 @@ int bind_port(const char *hostnam, int portnum) *********************************************************************/ int accept_connection(struct client_state * csp, int fd) { - struct sockaddr raddr, laddr; - struct sockaddr_in *rap = (struct sockaddr_in *) &raddr; - struct sockaddr_in *lap = (struct sockaddr_in *) &laddr; + struct sockaddr_in client, server; struct hostent *host = NULL; - int afd, raddrlen, laddrlen; - extern int h_errno; - char *p; + int afd, c_length, s_length; +#if defined(HAVE_GETHOSTBYADDR_R_8_ARGS) || defined(HAVE_GETHOSTBYADDR_R_7_ARGS) || defined(HAVE_GETHOSTBYADDR_R_5_ARGS) + struct hostent result; +#if defined(HAVE_GETHOSTBYADDR_R_5_ARGS) + struct hostent_data hdata; +#else + char hbuf[HOSTENT_BUFFER_SIZE]; + int thd_err; +#endif /* def HAVE_GETHOSTBYADDR_R_5_ARGS */ +#endif /* def HAVE_GETHOSTBYADDR_R_(8|7|5)_ARGS */ + + c_length = s_length = sizeof(client); - raddrlen = sizeof raddr; do { - afd = accept (fd, &raddr, &raddrlen); + afd = accept (fd, (struct sockaddr *) &client, &c_length); } while (afd < 1 && errno == EINTR); if (afd < 0) @@ -456,26 +539,49 @@ int accept_connection(struct client_state * csp, int fd) * Determine the IP-Adress that the client used to reach us * and the hostname associated with that address */ - if (!getsockname(afd, &laddr, &laddrlen)) - { - csp->my_ip_addr_str = strdup(inet_ntoa(lap->sin_addr)); - - host = gethostbyaddr(laddr.sa_data + 2, 4, AF_INET); + if (!getsockname(afd, (struct sockaddr *) &server, &s_length)) + { + csp->my_ip_addr_str = strdup(inet_ntoa(server.sin_addr)); +#if defined(HAVE_GETHOSTBYADDR_R_8_ARGS) + gethostbyaddr_r((const char *)&server.sin_addr, + sizeof(server.sin_addr), AF_INET, + &result, hbuf, HOSTENT_BUFFER_SIZE, + &host, &thd_err); +#elif defined(HAVE_GETHOSTBYADDR_R_7_ARGS) + host = gethostbyaddr_r((const char *)&server.sin_addr, + sizeof(server.sin_addr), AF_INET, + &result, hbuf, HOSTENT_BUFFER_SIZE, &thd_err); +#elif defined(HAVE_GETHOSTBYADDR_R_5_ARGS) + if (0 == gethostbyaddr_r((const char *)&server.sin_addr, + sizeof(server.sin_addr), AF_INET, + &result, &hdata)) + { + host = &result; + } + else + { + host = NULL; + } +#else + host = gethostbyaddr((const char *)&server.sin_addr, + sizeof(server.sin_addr), AF_INET); +#endif if (host == NULL) { - log_error(LOG_LEVEL_ERROR, "Unable to get my own hostname: %s\n", hstrerror(h_errno)); + log_error(LOG_LEVEL_ERROR, "Unable to get my own hostname: %E\n"); } else - { + { csp->my_hostname = strdup(host->h_name); } - } + } csp->cfd = afd; - csp->ip_addr_str = strdup(inet_ntoa(rap->sin_addr)); - csp->ip_addr_long = ntohl(rap->sin_addr.s_addr); + csp->ip_addr_str = strdup(inet_ntoa(client.sin_addr)); + csp->ip_addr_long = ntohl(client.sin_addr.s_addr); return 1; + } @@ -496,6 +602,15 @@ int resolve_hostname_to_ip(const char *host) { struct sockaddr_in inaddr; struct hostent *hostp; +#if defined(HAVE_GETHOSTBYNAME_R_6_ARGS) || defined(HAVE_GETHOSTBYNAME_R_5_ARGS) || defined(HAVE_GETHOSTBYNAME_R_3_ARGS) + struct hostent result; +#if defined(HAVE_GETHOSTBYNAME_R_6_ARGS) || defined(HAVE_GETHOSTBYNAME_R_5_ARGS) + char hbuf[HOSTENT_BUFFER_SIZE]; + int thd_err; +#else /* defined(HAVE_GETHOSTBYNAME_R_3_ARGS) */ + struct hostent_data hdata; +#endif /* def HAVE_GETHOSTBYNAME_R_(6|5)_ARGS */ +#endif /* def HAVE_GETHOSTBYNAME_R_(6|5|3)_ARGS */ if ((host == NULL) || (*host == '\0')) { @@ -506,7 +621,25 @@ int resolve_hostname_to_ip(const char *host) if ((inaddr.sin_addr.s_addr = inet_addr(host)) == -1) { - if ((hostp = gethostbyname(host)) == NULL) +#if defined(HAVE_GETHOSTBYNAME_R_6_ARGS) + gethostbyname_r(host, &result, hbuf, + HOSTENT_BUFFER_SIZE, &hostp, &thd_err); +#elif defined(HAVE_GETHOSTBYNAME_R_5_ARGS) + hostp = gethostbyname_r(host, &result, hbuf, + HOSTENT_BUFFER_SIZE, &thd_err); +#elif defined(HAVE_GETHOSTBYNAME_R_3_ARGS) + if (0 == gethostbyname_r(host, &result, &hdata)) + { + hostp = &result; + } + else + { + hostp = NULL; + } +#else + hostp = gethostbyname(host); +#endif /* def HAVE_GETHOSTBYNAME_R_(6|5|3)_ARGS */ + if (hostp == NULL) { errno = EINVAL; return(-1); @@ -517,7 +650,7 @@ int resolve_hostname_to_ip(const char *host) errno = WSAEPROTOTYPE; #else errno = EPROTOTYPE; -#endif +#endif return(-1); } memcpy(