X-Git-Url: http://www.privoxy.org/gitweb/?p=privoxy.git;a=blobdiff_plain;f=jbsockets.c;h=63548620e141bc89af57e8537df126b1218776a5;hp=3f54271ac01d76fdc3ff360a3f9fd01428bc1848;hb=3a6abc8e86f6788cce99cb5d402a7fd5d7d6fe25;hpb=1451632696f9f60c15f882f1ae05a6be40b3908b diff --git a/jbsockets.c b/jbsockets.c index 3f54271a..63548620 100644 --- a/jbsockets.c +++ b/jbsockets.c @@ -1,4 +1,4 @@ -const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.13 2001/07/15 13:56:57 jongfoster Exp $"; +const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.23 2002/03/05 00:36:01 jongfoster Exp $"; /********************************************************************* * * File : $Source: /cvsroot/ijbswa/current/jbsockets.c,v $ @@ -35,6 +35,43 @@ const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.13 2001/07/15 13:56:57 jongfo * * Revisions : * $Log: jbsockets.c,v $ + * Revision 1.23 2002/03/05 00:36:01 jongfoster + * Fixing bug 514988 - unable to restart JunkBuster + * + * Revision 1.22 2002/03/04 02:08:02 david__schmidt + * Enable web editing of actions file on OS/2 (it had been broken all this time!) + * + * Revision 1.21 2002/01/09 14:32:33 oes + * Added support for gethostbyname_r and gethostbyaddr_r. + * + * 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. * @@ -99,7 +136,9 @@ const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.13 2001/07/15 13:56:57 jongfo #else +#ifndef __OS2__ #include +#endif #include #include #include @@ -108,11 +147,18 @@ const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.13 2001/07/15 13:56:57 jongfo #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" @@ -149,41 +195,49 @@ 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) + if ((addr = resolve_hostname_to_ip(host)) == INADDR_NONE) { csp->http->host_ip_addr_str = strdup("unknown"); return(-1); } -#ifdef ACL_FILES - dst->addr = ntohl(addr); +#ifdef FEATURE_ACL + dst->addr = ntohl((unsigned long) 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); + inaddr.sin_port = htons((unsigned short) portnum); } +#ifndef _WIN32 else { - inaddr.sin_port = htonl(portnum); + inaddr.sin_port = htonl((unsigned long)portnum); } +#endif /* ndef _WIN32 */ if ((fd = socket(inaddr.sin_family, SOCK_STREAM, 0)) < 0) { @@ -197,39 +251,45 @@ 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); @@ -264,7 +324,7 @@ int connect_to(const char *host, int portnum, struct client_state *csp) * indicated by len. Otherwise, returns (-1). * *********************************************************************/ -int write_socket(int fd, const char *buf, int len) +size_t write_socket(int fd, const char *buf, size_t len) { if (len <= 0) { @@ -274,9 +334,30 @@ 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) - return( send(fd, buf, len, 0)); + return(send(fd, buf, len, 0)); +#elif defined(__OS2__) + /* + * Break the data up into SOCKET_SEND_MAX chunks for sending... + * OS/2 seemed to complain when the chunks were too large. + */ +#define SOCKET_SEND_MAX 65000 + { + int write_len = 0, send_len, send_rc = 0, i = 0; + while ((i < len) && (send_rc != -1)) + { + if ((i + SOCKET_SEND_MAX) > len) + send_len = len - i; + else + send_len = SOCKET_SEND_MAX; + send_rc = send(fd,(char*)buf + i, send_len, 0); + if (send_rc == -1) + return(0); + i = i + send_len; + } + return len; + } #else - return( write(fd, buf, len)); + return(write(fd, buf, len)); #endif } @@ -307,17 +388,17 @@ int write_socket(int fd, const char *buf, int len) * any) changes. * *********************************************************************/ -int read_socket(int fd, char *buf, int len) +size_t read_socket(int fd, char *buf, size_t len) { if (len <= 0) { return(0); } -#if defined(_WIN32) || defined(__BEOS__) || defined(AMIGA) - return( recv(fd, buf, len, 0)); +#if defined(_WIN32) || defined(__BEOS__) || defined(AMIGA) || defined(__OS2__) + return(recv(fd, buf, len, 0)); #else - return( read(fd, buf, len)); + return(read(fd, buf, len)); #endif } @@ -340,6 +421,8 @@ void close_socket(int fd) closesocket(fd); #elif defined(AMIGA) CloseSocket(fd); +#elif defined(__OS2__) + soclose(fd); #else close(fd); #endif @@ -359,28 +442,41 @@ void close_socket(int fd) * 2 : portnum = port to listen on * * Returns : if success, return file descriptor - * if failure, returns -2 if address is in use, otherwise -1 + * if failure, returns -3 if address is in use, + * -2 if address unresolvable, + * -1 otherwise * *********************************************************************/ int bind_port(const char *hostnam, int portnum) { struct sockaddr_in inaddr; int fd; +#ifndef _WIN32 int one = 1; +#endif /* ndef _WIN32 */ memset((char *)&inaddr, '\0', sizeof inaddr); inaddr.sin_family = AF_INET; inaddr.sin_addr.s_addr = resolve_hostname_to_ip(hostnam); + if (inaddr.sin_addr.s_addr == INADDR_NONE) + { + return(-2); + } + +#ifndef _WIN32 if (sizeof(inaddr.sin_port) == sizeof(short)) +#endif /* ndef _WIN32 */ { - inaddr.sin_port = htons((short)portnum); + inaddr.sin_port = htons((unsigned short) portnum); } +#ifndef _WIN32 else { - inaddr.sin_port = htonl(portnum); + inaddr.sin_port = htonl((unsigned long) portnum); } +#endif /* ndef _WIN32 */ fd = socket(AF_INET, SOCK_STREAM, 0); @@ -391,10 +487,16 @@ int bind_port(const char *hostnam, int portnum) #ifndef _WIN32 /* - * FIXME: This is not needed for Win32 - in fact, it stops + * This is not needed for Win32 - in fact, it stops * duplicate instances of JunkBuster from being caught. - * Is this really needed under UNIX, or should it be taked out? - * -- Jon + * + * On UNIX, we assume the user is sensible enough not + * to start JunkBuster multiple times on the same IP. + * Without this, stopping and restarting JunkBuster + * from a script fails. + * Note: SO_REUSEADDR is meant to only take over + * sockets which are *not* in listen state in Linux, + * e.g. sockets in TIME_WAIT. YMMV. */ setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&one, sizeof(one)); #endif /* ndef _WIN32 */ @@ -408,7 +510,7 @@ int bind_port(const char *hostnam, int portnum) if (errno == EADDRINUSE) #endif { - return(-2); + return(-3); } else { @@ -449,7 +551,17 @@ int accept_connection(struct client_state * csp, int fd) { struct sockaddr_in client, server; struct hostent *host = NULL; - int afd, c_length, s_length; + int afd; + size_t 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); @@ -470,8 +582,30 @@ int accept_connection(struct client_state * csp, int fd) if (!getsockname(afd, (struct sockaddr *) &server, &s_length)) { csp->my_ip_addr_str = strdup(inet_ntoa(server.sin_addr)); - - host = gethostbyaddr(&server.sin_addr, sizeof(server.sin_addr), AF_INET); +#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: %E\n"); @@ -501,13 +635,22 @@ int accept_connection(struct client_state * csp, int fd) * Parameters : * 1 : host = hostname to resolve * - * Returns : -1 => failure, INADDR_ANY or tcp/ip address if succesful. + * Returns : INADDR_NONE => failure, INADDR_ANY or tcp/ip address if succesful. * *********************************************************************/ -int resolve_hostname_to_ip(const char *host) +unsigned long 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')) { @@ -518,10 +661,29 @@ 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); + log_error(LOG_LEVEL_ERROR, "could not resolve hostname %s", host); + return(INADDR_NONE); } if (hostp->h_addrtype != AF_INET) { @@ -529,8 +691,9 @@ int resolve_hostname_to_ip(const char *host) errno = WSAEPROTOTYPE; #else errno = EPROTOTYPE; -#endif - return(-1); +#endif + log_error(LOG_LEVEL_ERROR, "hostname %s resolves to unknown address type.", host); + return(INADDR_NONE); } memcpy( (char *) &inaddr.sin_addr,