X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fxcb_util.c;h=466dc23bc70ce28ffe4f809df3e7318fbce5f3a7;hb=cca607409068ad0948e7283fb8d0465cabc51686;hp=06b5bcaf1b16d8f7b8502a187c931fd891fef193;hpb=dd932e025b2de0fa33b65971288c63679238e08a;p=free-sw%2Fxcb%2Flibxcb diff --git a/src/xcb_util.c b/src/xcb_util.c index 06b5bca..466dc23 100644 --- a/src/xcb_util.c +++ b/src/xcb_util.c @@ -25,396 +25,464 @@ /* Utility functions implementable using only public APIs. */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + #include #include -#include -#include -#ifdef DNETCONN -#include -#include -#endif -#include +#include #include #include #include +#include #include #include +#ifdef _WIN32 +#include "xcb_windefs.h" +#else +#include +#include +#include +#include +#include +#include +#include +#endif /* _WIN32 */ + #include "xcb.h" #include "xcbext.h" #include "xcbint.h" -int XCBPopcount(CARD32 mask) +#if defined(HAVE_TSOL_LABEL_H) && defined(HAVE_IS_SYSTEM_LABELED) +# include +# include +#endif + +int xcb_popcount(uint32_t mask) { - unsigned long y; + uint32_t y; y = (mask >> 1) & 033333333333; y = mask - y - ((y >> 1) & 033333333333); return ((y + (y >> 3)) & 030707070707) % 077; } -int XCBParseDisplay(const char *name, char **host, int *displayp, int *screenp) +int xcb_sumof(uint8_t *list, int len) +{ + int i, s = 0; + for(i=0; in_length; - memcpy(addr.sdn_add.a_addr, nodeaddr->n_addr, addr.sdn_add.a_len); + snprintf(tsol_socket, sizeof(tsol_socket), "%s%d", tsol_base, display); - sprintf((char *)addr.sdn_objname, "X$X%d", port); - addr.sdn_objnamel = strlen((char *)addr.sdn_objname); - addr.sdn_objnum = 0; + if (stat(tsol_socket, &sbuf) == 0) + base = tsol_base; + } +#endif - fd = socket(PF_DECnet, SOCK_STREAM, 0); - if(fd == -1) + filelen = strlen(base) + 1 + sizeof(display) * 3 + 1; + file = malloc(filelen); + if(file == NULL) return -1; - memset(&accessdata, 0, sizeof(accessdata)); - sprintf((char*)accessdata.acc_acc, "%d", getuid()); - accessdata.acc_accl = strlen((char *)accessdata.acc_acc); - setsockopt(fd, DNPROTO_NSP, SO_CONACCESS, &accessdata, sizeof(accessdata)); - - if(connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1) + /* display specifies Unix socket */ +#ifdef HAVE_LAUNCHD + if(strncmp(base, "/tmp/launch", 11) == 0) + actual_filelen = snprintf(file, filelen, "%s:%d", base, display); + else +#endif + actual_filelen = snprintf(file, filelen, "%s%d", base, display); + if(actual_filelen < 0) + { + free(file); return -1; - return fd; -} + } + /* snprintf may truncate the file */ + filelen = MIN(actual_filelen, filelen - 1); +#ifdef HAVE_ABSTRACT_SOCKETS + fd = _xcb_open_abstract(protocol, file, filelen); + if (fd >= 0 || (errno != ENOENT && errno != ECONNREFUSED)) + { + free(file); + return fd; + } + #endif + fd = _xcb_open_unix(protocol, file); + free(file); -static int _xcb_open_tcp(const char *host, const unsigned short port) -{ - int fd; - struct sockaddr_in addr; - struct hostent *hostaddr = gethostbyname(host); - if(!hostaddr) - return -1; - addr.sin_family = AF_INET; - addr.sin_port = htons(port); - memcpy(&addr.sin_addr, hostaddr->h_addr_list[0], sizeof(addr.sin_addr)); + if (fd < 0 && !protocol && *host == '\0') { + unsigned short port = X_TCP_PORT + display; + fd = _xcb_open_tcp(host, protocol, port); + } - fd = socket(PF_INET, SOCK_STREAM, 0); - if(fd == -1) - return -1; - if(connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1) - return -1; return fd; +#endif /* !_WIN32 */ + return -1; /* if control reaches here then something has gone wrong */ } -static int _xcb_open_unix(const char *file) +static int _xcb_socket(int family, int type, int proto) { int fd; - struct sockaddr_un addr = { AF_UNIX }; - strcpy(addr.sun_path, file); - fd = socket(AF_UNIX, SOCK_STREAM, 0); - if(fd == -1) - return -1; - if(connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1) - return -1; +#ifdef SOCK_CLOEXEC + fd = socket(family, type | SOCK_CLOEXEC, proto); + if (fd == -1 && errno == EINVAL) +#endif + { + fd = socket(family, type, proto); +#ifndef _WIN32 + if (fd >= 0) + fcntl(fd, F_SETFD, FD_CLOEXEC); +#endif + } return fd; } -XCBConnection *XCBConnect(const char *displayname, int *screenp) -{ - int fd, display = 0; - char *host; - XCBConnection *c; - XCBAuthInfo auth; - if(!XCBParseDisplay(displayname, &host, &display, screenp)) - return 0; - fd = _xcb_open(host, display); - free(host); - if(fd == -1) - return 0; +static int _xcb_do_connect(int fd, const struct sockaddr* addr, int addrlen) { + int on = 1; - _xcb_get_auth_info(fd, &auth); - c = XCBConnectToFD(fd, &auth); - free(auth.name); - free(auth.data); - return c; -} + if(fd < 0) + return -1; -XCBConnection *XCBConnectToDisplayWithAuthInfo(const char *displayname, XCBAuthInfo *auth, int *screenp) -{ - int fd, display = 0; - char *host; + setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on)); + setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &on, sizeof(on)); - if(!XCBParseDisplay(displayname, &host, &display, screenp)) - return 0; - fd = _xcb_open(host, display); - free(host); - if(fd == -1) - return 0; - - return XCBConnectToFD(fd, auth); + return connect(fd, addr, addrlen); } -int XCBSync(XCBConnection *c, XCBGenericError **e) +static int _xcb_open_tcp(const char *host, char *protocol, const unsigned short port) { - XCBGetInputFocusRep *reply = XCBGetInputFocusReply(c, XCBGetInputFocus(c), e); - free(reply); - return reply != 0; -} - - - - -/* backwards compatible interfaces: remove before 1.0 release */ -XCBConnection *XCBConnectBasic() -{ - XCBConnection *c = XCBConnect(0, 0); - if(c) - return c; - perror("XCBConnect"); - abort(); -} - -int XCBOpen(const char *host, const int display) -{ - return _xcb_open(host, display); -} - -int XCBOpenTCP(const char *host, const unsigned short port) -{ - return _xcb_open_tcp(host, port); -} - -int XCBOpenUnix(const char *file) -{ - return _xcb_open_unix(file); -} - -int XCBGetAuthInfo(int fd, XCBAuthInfo *info) -{ - return _xcb_get_auth_info(fd, info); -} - -char *XCBConnSetupReqAuthorizationProtocolName(XCBSetupReq *R) -{ - return XCBSetupReqAuthorizationProtocolName(R); -} - -int XCBConnSetupReqAuthorizationProtocolNameLength(XCBSetupReq *R) -{ - return XCBSetupReqAuthorizationProtocolNameLength(R); -} - -XCBGenericIter XCBConnSetupReqAuthorizationProtocolNameEnd(XCBSetupReq *R) -{ - return XCBSetupReqAuthorizationProtocolNameEnd(R); -} - -char *XCBConnSetupReqAuthorizationProtocolData(XCBSetupReq *R) -{ - return XCBSetupReqAuthorizationProtocolData(R); -} + int fd = -1; +#if HAVE_GETADDRINFO + struct addrinfo hints; + char service[6]; /* "65535" with the trailing '\0' */ + struct addrinfo *results, *addr; + char *bracket; +#endif -int XCBConnSetupReqAuthorizationProtocolDataLength(XCBSetupReq *R) -{ - return XCBSetupReqAuthorizationProtocolDataLength(R); -} + if (protocol && strcmp("tcp",protocol) && strcmp("inet",protocol) +#ifdef AF_INET6 + && strcmp("inet6",protocol) +#endif + ) + return -1; + + if (*host == '\0') + host = "localhost"; + +#if HAVE_GETADDRINFO + memset(&hints, 0, sizeof(hints)); +#ifdef AI_NUMERICSERV + hints.ai_flags |= AI_NUMERICSERV; +#endif + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; -XCBGenericIter XCBConnSetupReqAuthorizationProtocolDataEnd(XCBSetupReq *R) -{ - return XCBSetupReqAuthorizationProtocolDataEnd(R); -} +#ifdef AF_INET6 + /* Allow IPv6 addresses enclosed in brackets. */ + if(host[0] == '[' && (bracket = strrchr(host, ']')) && bracket[1] == '\0') + { + *bracket = '\0'; + ++host; + hints.ai_flags |= AI_NUMERICHOST; + hints.ai_family = AF_INET6; + } +#endif -void XCBConnSetupReqNext(XCBSetupReqIter *i) -{ - XCBSetupReqNext(i); -} + snprintf(service, sizeof(service), "%hu", port); + if(getaddrinfo(host, service, &hints, &results)) + /* FIXME: use gai_strerror, and fill in error connection */ + return -1; -XCBGenericIter XCBConnSetupReqEnd(XCBSetupReqIter i) -{ - return XCBSetupReqEnd(i); -} + for(addr = results; addr; addr = addr->ai_next) + { + fd = _xcb_socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol); + if (_xcb_do_connect(fd, addr->ai_addr, addr->ai_addrlen) >= 0) + break; + close(fd); + fd = -1; + } + freeaddrinfo(results); + return fd; +#else + { + struct hostent* _h; + struct sockaddr_in _s; + struct in_addr ** _c; -char *XCBConnSetupFailedRepReason(XCBSetupFailed *R) -{ - return XCBSetupFailedReason(R); -} + if((_h = gethostbyname(host)) == NULL) + return -1; -int XCBConnSetupFailedRepReasonLength(XCBSetupFailed *R) -{ - return XCBSetupFailedReasonLength(R); -} + _c = (struct in_addr**)_h->h_addr_list; + fd = -1; -XCBGenericIter XCBConnSetupFailedRepReasonEnd(XCBSetupFailed *R) -{ - return XCBSetupFailedReasonEnd(R); -} + while(*_c) { + _s.sin_family = AF_INET; + _s.sin_port = htons(port); + _s.sin_addr = *(*_c); -void XCBConnSetupFailedRepNext(XCBSetupFailedIter *i) -{ - XCBSetupFailedNext(i); -} + fd = _xcb_socket(_s.sin_family, SOCK_STREAM, 0); + if(_xcb_do_connect(fd, (struct sockaddr*)&_s, sizeof(_s)) >= 0) + break; -XCBGenericIter XCBConnSetupFailedRepEnd(XCBSetupFailedIter i) -{ - return XCBSetupFailedEnd(i); -} + close(fd); + fd = -1; + ++_c; + } -char *XCBConnSetupAuthenticateRepReason(XCBSetupAuthenticate *R) -{ - return XCBSetupAuthenticateReason(R); + return fd; + } +#endif } -int XCBConnSetupAuthenticateRepReasonLength(XCBSetupAuthenticate *R) +#ifndef _WIN32 +static int _xcb_open_unix(char *protocol, const char *file) { - return XCBSetupAuthenticateReasonLength(R); -} + int fd; + struct sockaddr_un addr; -XCBGenericIter XCBConnSetupAuthenticateRepReasonEnd(XCBSetupAuthenticate *R) -{ - return XCBSetupAuthenticateReasonEnd(R); -} + if (protocol && strcmp("unix",protocol)) + return -1; -void XCBConnSetupAuthenticateRepNext(XCBSetupAuthenticateIter *i) -{ - XCBSetupAuthenticateNext(i); + strcpy(addr.sun_path, file); + addr.sun_family = AF_UNIX; +#ifdef HAVE_SOCKADDR_SUN_LEN + addr.sun_len = SUN_LEN(&addr); +#endif + fd = _xcb_socket(AF_UNIX, SOCK_STREAM, 0); + if(fd == -1) + return -1; + if(connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1) { + close(fd); + return -1; + } + return fd; } +#endif /* !_WIN32 */ -XCBGenericIter XCBConnSetupAuthenticateRepEnd(XCBSetupAuthenticateIter i) +#ifdef HAVE_ABSTRACT_SOCKETS +static int _xcb_open_abstract(char *protocol, const char *file, size_t filelen) { - return XCBSetupAuthenticateEnd(i); -} + int fd; + struct sockaddr_un addr = {0}; + socklen_t namelen; -char *XCBConnSetupSuccessRepVendor(XCBSetup *R) -{ - return XCBSetupVendor(R); -} + if (protocol && strcmp("unix",protocol)) + return -1; -int XCBConnSetupSuccessRepVendorLength(XCBSetup *R) -{ - return XCBSetupVendorLength(R); + strcpy(addr.sun_path + 1, file); + addr.sun_family = AF_UNIX; + namelen = offsetof(struct sockaddr_un, sun_path) + 1 + filelen; +#ifdef HAVE_SOCKADDR_SUN_LEN + addr.sun_len = 1 + filelen; +#endif + fd = _xcb_socket(AF_UNIX, SOCK_STREAM, 0); + if (fd == -1) + return -1; + if (connect(fd, (struct sockaddr *) &addr, namelen) == -1) { + close(fd); + return -1; + } + return fd; } +#endif -XCBGenericIter XCBConnSetupSuccessRepVendorEnd(XCBSetup *R) +xcb_connection_t *xcb_connect(const char *displayname, int *screenp) { - return XCBSetupVendorEnd(R); + return xcb_connect_to_display_with_auth_info(displayname, NULL, screenp); } -XCBFORMAT *XCBConnSetupSuccessRepPixmapFormats(XCBSetup *R) +xcb_connection_t *xcb_connect_to_display_with_auth_info(const char *displayname, xcb_auth_info_t *auth, int *screenp) { - return XCBSetupPixmapFormats(R); -} + int fd, display = 0; + char *host = NULL; + char *protocol = NULL; + xcb_auth_info_t ourauth; + xcb_connection_t *c; + + int parsed = _xcb_parse_display(displayname, &host, &protocol, &display, screenp); + + if(!parsed) { + c = _xcb_conn_ret_error(XCB_CONN_CLOSED_PARSE_ERR); + goto out; + } else { +#ifdef _WIN32 + WSADATA wsaData; + if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0) { + c = _xcb_conn_ret_error(XCB_CONN_ERROR); + goto out; + } +#endif + fd = _xcb_open(host, protocol, display); + } -int XCBConnSetupSuccessRepPixmapFormatsLength(XCBSetup *R) -{ - return XCBSetupPixmapFormatsLength(R); -} + if(fd == -1) { + c = _xcb_conn_ret_error(XCB_CONN_ERROR); +#ifdef _WIN32 + WSACleanup(); +#endif + goto out; + } -XCBFORMATIter XCBConnSetupSuccessRepPixmapFormatsIter(XCBSetup *R) -{ - return XCBSetupPixmapFormatsIter(R); -} + if(auth) { + c = xcb_connect_to_fd(fd, auth); + goto out; + } -int XCBConnSetupSuccessRepRootsLength(XCBSetup *R) -{ - return XCBSetupRootsLength(R); -} + if(_xcb_get_auth_info(fd, &ourauth, display)) + { + c = xcb_connect_to_fd(fd, &ourauth); + free(ourauth.name); + free(ourauth.data); + } + else + c = xcb_connect_to_fd(fd, 0); -XCBSCREENIter XCBConnSetupSuccessRepRootsIter(XCBSetup *R) -{ - return XCBSetupRootsIter(R); -} + if(c->has_error) + goto out; -void XCBConnSetupSuccessRepNext(XCBSetupIter *i) -{ - XCBSetupNext(i); -} + /* Make sure requested screen number is in bounds for this server */ + if((screenp != NULL) && (*screenp >= (int) c->setup->roots_len)) { + xcb_disconnect(c); + c = _xcb_conn_ret_error(XCB_CONN_CLOSED_INVALID_SCREEN); + goto out; + } -XCBGenericIter XCBConnSetupSuccessRepEnd(XCBSetupIter i) -{ - return XCBSetupEnd(i); +out: + free(host); + free(protocol); + return c; }