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revising httpd

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hyung-hwan
2013-02-18 13:45:50 +00:00
parent bbdf168ee8
commit 5bc774db3a
56 changed files with 1774 additions and 953 deletions
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qse/samples/http/Makefile.am Normal file
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httpd02_LDADD = $(LDADD) $(SSL_LIBS)

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if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
if test -d $$d/$$file; then \
dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
if test -d "$(distdir)/$$file"; then \
find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
fi; \
if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
fi; \
cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
else \
test -f "$(distdir)/$$file" \
|| cp -p $$d/$$file "$(distdir)/$$file" \
|| exit 1; \
fi; \
done
check-am: all-am
check: check-am
all-am: Makefile $(PROGRAMS)
installdirs:
for dir in "$(DESTDIR)$(bindir)"; do \
test -z "$$dir" || $(MKDIR_P) "$$dir"; \
done
install: install-am
install-exec: install-exec-am
install-data: install-data-am
uninstall: uninstall-am
install-am: all-am
@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
installcheck: installcheck-am
install-strip:
if test -z '$(STRIP)'; then \
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
install; \
else \
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
"INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
fi
mostlyclean-generic:
clean-generic:
distclean-generic:
-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
maintainer-clean-generic:
@echo "This command is intended for maintainers to use"
@echo "it deletes files that may require special tools to rebuild."
clean: clean-am
clean-am: clean-binPROGRAMS clean-generic clean-libtool mostlyclean-am
distclean: distclean-am
-rm -rf ./$(DEPDIR)
-rm -f Makefile
distclean-am: clean-am distclean-compile distclean-generic \
distclean-tags
dvi: dvi-am
dvi-am:
html: html-am
html-am:
info: info-am
info-am:
install-data-am:
install-dvi: install-dvi-am
install-dvi-am:
install-exec-am: install-binPROGRAMS
install-html: install-html-am
install-html-am:
install-info: install-info-am
install-info-am:
install-man:
install-pdf: install-pdf-am
install-pdf-am:
install-ps: install-ps-am
install-ps-am:
installcheck-am:
maintainer-clean: maintainer-clean-am
-rm -rf ./$(DEPDIR)
-rm -f Makefile
maintainer-clean-am: distclean-am maintainer-clean-generic
mostlyclean: mostlyclean-am
mostlyclean-am: mostlyclean-compile mostlyclean-generic \
mostlyclean-libtool
pdf: pdf-am
pdf-am:
ps: ps-am
ps-am:
uninstall-am: uninstall-binPROGRAMS
.MAKE: install-am install-strip
.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
clean-generic clean-libtool ctags distclean distclean-compile \
distclean-generic distclean-libtool distclean-tags distdir dvi \
dvi-am html html-am info info-am install install-am \
install-binPROGRAMS install-data install-data-am install-dvi \
install-dvi-am install-exec install-exec-am install-html \
install-html-am install-info install-info-am install-man \
install-pdf install-pdf-am install-ps install-ps-am \
install-strip installcheck installcheck-am installdirs \
maintainer-clean maintainer-clean-generic mostlyclean \
mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
pdf pdf-am ps ps-am tags uninstall uninstall-am \
uninstall-binPROGRAMS
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

157
qse/samples/http/httpd01.c Normal file
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@ -0,0 +1,157 @@
#include <qse/http/httpd.h>
#include <qse/cmn/stdio.h>
#include <qse/cmn/main.h>
#include <qse/cmn/str.h>
#include <qse/cmn/mem.h>
#include <qse/cmn/mbwc.h>
#include <signal.h>
#include <locale.h>
#if defined(_WIN32)
# include <windows.h>
# include <tchar.h>
# include <process.h>
#elif defined(__OS2__)
# define INCL_DOSPROCESS
# define INCL_DOSEXCEPTIONS
# define INCL_ERRORS
# include <os2.h>
#elif defined(__DOS__)
# include <dos.h>
#else
# include <unistd.h>
# include <errno.h>
#endif
#if defined(HAVE_SSL)
# include <openssl/ssl.h>
# include <openssl/err.h>
# include <openssl/engine.h>
#endif
static qse_httpd_t* g_httpd = QSE_NULL;
static void sigint (int sig)
{
if (g_httpd) qse_httpd_stop (g_httpd);
}
static int httpd_main (int argc, qse_char_t* argv[])
{
qse_httpd_t* httpd = QSE_NULL;
qse_ntime_t tmout;
int ret = -1, i;
if (argc <= 1)
{
qse_fprintf (QSE_STDERR, QSE_T("Usage: %s <listener_uri> ...\n"), argv[0]);
goto oops;
}
httpd = qse_httpd_openstd (0);
if (httpd == QSE_NULL)
{
qse_fprintf (QSE_STDERR, QSE_T("Cannot open httpd\n"));
goto oops;
}
for (i = 1; i < argc; i++)
{
qse_httpd_server_t* server;
server = qse_httpd_attachserverstd (httpd, argv[i], QSE_NULL, 0);
if (server == QSE_NULL)
{
qse_fprintf (QSE_STDERR,
QSE_T("Failed to add httpd listener - %s\n"), argv[i]);
goto oops;
}
qse_httpd_setserveroptstd (httpd, server, QSE_HTTPD_SERVER_DIRCSS,
QSE_MT("<style type='text/css'>body { background-color:#d0e4fe; font-size: 0.9em; } div.header { font-weight: bold; margin-bottom: 5px; } div.footer { border-top: 1px solid #99AABB; text-align: right; } table { font-size: 0.9em; } td { white-space: nowrap; } td.size { text-align: right; }</style>"));
qse_httpd_setserveroptstd (httpd, server, QSE_HTTPD_SERVER_ERRCSS,
QSE_MT("<style type='text/css'>body { background-color:#d0e4fe; font-size: 0.9em; } div.header { font-weight: bold; margin-bottom: 5px; } div.footer { border-top: 1px solid #99AABB; text-align: right; }</style>"));
}
g_httpd = httpd;
signal (SIGINT, sigint);
#if defined(SIGPIPE)
signal (SIGPIPE, SIG_IGN);
#endif
qse_httpd_setoption (httpd, QSE_HTTPD_CGIERRTONUL);
tmout.sec = 10;
tmout.nsec = 0;
ret = qse_httpd_loopstd (httpd, &tmout);
signal (SIGINT, SIG_DFL);
#if defined(SIGPIPE)
signal (SIGPIPE, SIG_DFL);
#endif
g_httpd = QSE_NULL;
if (ret <= -1) qse_fprintf (QSE_STDERR, QSE_T("Httpd error\n"));
oops:
if (httpd) qse_httpd_close (httpd);
return ret;
}
int qse_main (int argc, qse_achar_t* argv[])
{
int ret;
#if defined(_WIN32)
char locale[100];
UINT codepage;
WSADATA wsadata;
codepage = GetConsoleOutputCP();
if (codepage == CP_UTF8)
{
/*SetConsoleOUtputCP (CP_UTF8);*/
qse_setdflcmgrbyid (QSE_CMGR_UTF8);
}
else
{
sprintf (locale, ".%u", (unsigned int)codepage);
setlocale (LC_ALL, locale);
qse_setdflcmgrbyid (QSE_CMGR_SLMB);
}
if (WSAStartup (MAKEWORD(2,0), &wsadata) != 0)
{
qse_fprintf (QSE_STDERR, QSE_T("Failed to start up winsock\n"));
return -1;
}
#else
setlocale (LC_ALL, "");
qse_setdflcmgrbyid (QSE_CMGR_SLMB);
#endif
#if defined(HAVE_SSL)
SSL_load_error_strings ();
SSL_library_init ();
#endif
ret = qse_runmain (argc, argv, httpd_main);
#if defined(HAVE_SSL)
/*ERR_remove_state ();*/
ENGINE_cleanup ();
ERR_free_strings ();
EVP_cleanup ();
CRYPTO_cleanup_all_ex_data ();
#endif
#if defined(_WIN32)
WSACleanup ();
#endif
return ret;
}

296
qse/samples/http/httpd02.c Normal file
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@ -0,0 +1,296 @@
#include <qse/http/httpd.h>
#include <qse/cmn/stdio.h>
#include <qse/cmn/main.h>
#include <qse/cmn/str.h>
#include <qse/cmn/mem.h>
#include <qse/cmn/mbwc.h>
#include <qse/cmn/time.h>
#include <signal.h>
#include <locale.h>
#if defined(_WIN32)
# include <windows.h>
# include <tchar.h>
# include <process.h>
#elif defined(__OS2__)
# define INCL_DOSPROCESS
# define INCL_DOSEXCEPTIONS
# define INCL_ERRORS
# include <os2.h>
#elif defined(__DOS__)
# include <dos.h>
#else
# include <unistd.h>
# include <errno.h>
#endif
#if defined(HAVE_SSL)
# include <openssl/ssl.h>
# include <openssl/err.h>
# include <openssl/engine.h>
#endif
/* --------------------------------------------------------------------- */
static qse_httpd_t* g_httpd = QSE_NULL;
static void sigint (int sig)
{
if (g_httpd) qse_httpd_stop (g_httpd);
}
/* --------------------------------------------------------------------- */
typedef struct server_xtn_t server_xtn_t;
struct server_xtn_t
{
int tproxy;
qse_httpd_server_cbstd_t* orgcbstd;
};
static int makersrc (
qse_httpd_t* httpd, qse_httpd_client_t* client,
qse_htre_t* req, qse_httpd_rsrc_t* rsrc)
{
server_xtn_t* server_xtn;
server_xtn = qse_httpd_getserverxtnstd (httpd, client->server);
if (server_xtn->tproxy)
{
if (qse_nwadequal(&client->orgdst_addr, &client->local_addr)) /* both equal and error */
{
/* TODO: implement a better check that the
* destination is not one of the local addresses */
rsrc->type = QSE_HTTPD_RSRC_ERR;
rsrc->u.err.code = 500;
}
else
{
rsrc->type = QSE_HTTPD_RSRC_PROXY;
rsrc->u.proxy.dst = client->orgdst_addr;
rsrc->u.proxy.src = client->remote_addr;
if (rsrc->u.proxy.src.type == QSE_NWAD_IN4)
rsrc->u.proxy.src.u.in4.port = 0; /* reset the port to 0. */
else if (rsrc->u.proxy.src.type == QSE_NWAD_IN6)
rsrc->u.proxy.src.u.in6.port = 0; /* reset the port to 0. */
}
return 0;
}
else
{
#if 0
if (server_xtn->orgcbstd->makersrc (httpd, client, req, rsrc) <= -1) return -1;
if (rsrc->type == QSE_HTTPD_RSRC_DIR)
{
/* no directory listing - */
if (server_xtn->orgcbstd->freersrc)
server_xtn->orgcbstd->freersrc (httpd, client, req, rsrc);
rsrc->type = QSE_HTTPD_RSRC_ERROR;
rsrc->u.error.code = 403;
}
return 0;
#endif
return server_xtn->orgcbstd->makersrc (httpd, client, req, rsrc);
}
}
static void freersrc (
qse_httpd_t* httpd, qse_httpd_client_t* client,
qse_htre_t* req, qse_httpd_rsrc_t* rsrc)
{
server_xtn_t* server_xtn;
server_xtn = qse_httpd_getserverxtnstd (httpd, client->server);
if (server_xtn->tproxy)
{
/* nothing to do */
}
else
{
if (server_xtn->orgcbstd->freersrc)
server_xtn->orgcbstd->freersrc (httpd, client, req, rsrc);
}
}
/* --------------------------------------------------------------------- */
static qse_httpd_server_t* attach_server (
qse_httpd_t* httpd, qse_char_t* uri, qse_httpd_server_cbstd_t* cbstd)
{
qse_httpd_server_t* server;
server_xtn_t* server_xtn;
int tproxy = 0;
static qse_httpd_server_idxstd_t idxstd[] =
{
{ QSE_MT("index.cgi") },
{ QSE_MT("index.html") },
{ QSE_NULL }
};
if (qse_strzcasecmp (uri, QSE_T("http-tproxy://"), 14) == 0)
{
tproxy = 1;
qse_strcpy (&uri[4], &uri[11]);
}
server = qse_httpd_attachserverstd (
httpd, uri, QSE_NULL, QSE_SIZEOF(server_xtn_t));
if (server == QSE_NULL) return QSE_NULL;
/* qse_httpd_getserverxtnstd() returns the pointer to
* the extension space requested above, of the size
* QSE_SIZEOF(server_xtn_t) */
server_xtn = qse_httpd_getserverxtnstd (httpd, server);
server_xtn->tproxy = tproxy;
/* qse_httpd_getserverxtn() returns the pointer to the
* extension space created by qse_httpd_attachserverstd()
* internally.
*/
/* remember the callback set in qse_httpd_attachserverstd() */
qse_httpd_getserveroptstd (
httpd, server,
QSE_HTTPD_SERVER_CBSTD, (void**)&server_xtn->orgcbstd);
/* override it with a new callback for chaining */
qse_httpd_setserveroptstd (
httpd, server,
QSE_HTTPD_SERVER_CBSTD, cbstd);
/* totally override idxstd without remembering the old idxstd */
qse_httpd_setserveroptstd (
httpd, server,
QSE_HTTPD_SERVER_IDXSTD, idxstd);
qse_httpd_setserveroptstd (
httpd, server, QSE_HTTPD_SERVER_DIRCSS,
QSE_MT("<style type='text/css'>body { background-color:#d0e4fe; font-size: 0.9em; } div.header { font-weight: bold; margin-bottom: 5px; } div.footer { border-top: 1px solid #99AABB; text-align: right; } table { font-size: 0.9em; } td { white-space: nowrap; } td.size { text-align: right; }</style>"));
qse_httpd_setserveroptstd (
httpd, server, QSE_HTTPD_SERVER_ERRCSS,
QSE_MT("<style type='text/css'>body { background-color:#d0e4fe; font-size: 0.9em; } div.header { font-weight: bold; margin-bottom: 5px; } div.footer { border-top: 1px solid #99AABB; text-align: right; }</style>"));
return server;
}
/* --------------------------------------------------------------------- */
static int httpd_main (int argc, qse_char_t* argv[])
{
qse_httpd_t* httpd = QSE_NULL;
qse_ntime_t tmout;
int ret = -1, i;
static qse_httpd_server_cbstd_t cbstd = { makersrc, freersrc };
if (argc <= 1)
{
qse_fprintf (QSE_STDERR, QSE_T("Usage: %s <listener_uri> ...\n"), argv[0]);
goto oops;
}
httpd = qse_httpd_openstd (QSE_SIZEOF(server_xtn_t));
if (httpd == QSE_NULL)
{
qse_fprintf (QSE_STDERR, QSE_T("Cannot open httpd\n"));
goto oops;
}
for (i = 1; i < argc; i++)
{
if (attach_server (httpd, argv[i], &cbstd) == QSE_NULL)
{
qse_fprintf (QSE_STDERR,
QSE_T("Failed to add httpd listener - %s\n"), argv[i]);
goto oops;
}
}
g_httpd = httpd;
signal (SIGINT, sigint);
#if defined(SIGPIPE)
signal (SIGPIPE, SIG_IGN);
#endif
qse_httpd_setname (httpd, QSE_MT("httpd02/qse 1.0"));
qse_httpd_setoption (httpd, QSE_HTTPD_CGIERRTONUL);
tmout.sec = 10;
tmout.nsec = 0;
ret = qse_httpd_loopstd (httpd, &tmout);
signal (SIGINT, SIG_DFL);
#if defined(SIGPIPE)
signal (SIGPIPE, SIG_DFL);
#endif
g_httpd = QSE_NULL;
if (ret <= -1) qse_fprintf (QSE_STDERR, QSE_T("Httpd error\n"));
oops:
if (httpd) qse_httpd_close (httpd);
return ret;
}
int qse_main (int argc, qse_achar_t* argv[])
{
int ret;
#if defined(_WIN32)
char locale[100];
UINT codepage;
WSADATA wsadata;
codepage = GetConsoleOutputCP();
if (codepage == CP_UTF8)
{
/*SetConsoleOUtputCP (CP_UTF8);*/
qse_setdflcmgrbyid (QSE_CMGR_UTF8);
}
else
{
sprintf (locale, ".%u", (unsigned int)codepage);
setlocale (LC_ALL, locale);
qse_setdflcmgrbyid (QSE_CMGR_SLMB);
}
if (WSAStartup (MAKEWORD(2,0), &wsadata) != 0)
{
qse_fprintf (QSE_STDERR, QSE_T("Failed to start up winsock\n"));
return -1;
}
#else
setlocale (LC_ALL, "");
qse_setdflcmgrbyid (QSE_CMGR_SLMB);
#endif
#if defined(HAVE_SSL)
SSL_load_error_strings ();
SSL_library_init ();
#endif
ret = qse_runmain (argc, argv, httpd_main);
#if defined(HAVE_SSL)
/*ERR_remove_state ();*/
ENGINE_cleanup ();
ERR_free_strings ();
EVP_cleanup ();
CRYPTO_cleanup_all_ex_data ();
#endif
#if defined(_WIN32)
WSACleanup ();
#endif
return ret;
}

897
qse/samples/http/upxd01.c Normal file
View File

@ -0,0 +1,897 @@
#include <qse/http/upxd.h>
#include <qse/cmn/stdio.h>
#include <qse/cmn/main.h>
#include <qse/cmn/str.h>
#include <qse/cmn/mem.h>
#include <qse/cmn/mbwc.h>
#include <qse/cmn/time.h>
#include <qse/cmn/sio.h>
#include <signal.h>
#include <locale.h>
#include <string.h>
#include <stdlib.h>
#if defined(_WIN32)
# include <windows.h>
#else
# include <unistd.h>
# include <errno.h>
# include <fcntl.h>
# include <sys/socket.h>
# include <netinet/in.h>
# include <net/if.h>
#endif
#if defined(HAVE_EPOLL)
# if defined(HAVE_SYS_EPOLL_H)
# include <sys/epoll.h>
# endif
#endif
/* ------------------------------------------------------------------- */
static qse_upxd_errnum_t syserr_to_errnum (int e)
{
switch (e)
{
case ENOMEM:
return QSE_UPXD_ENOMEM;
case EINVAL:
return QSE_UPXD_EINVAL;
case EACCES:
case ECONNREFUSED:
return QSE_UPXD_EACCES;
case ENOENT:
return QSE_UPXD_ENOENT;
case EEXIST:
return QSE_UPXD_EEXIST;
case EINTR:
return QSE_UPXD_EINTR;
case EAGAIN:
/*case EWOULDBLOCK:*/
return QSE_UPXD_EAGAIN;
default:
return QSE_UPXD_ESYSERR;
}
}
/* ------------------------------------------------------------------- */
static int sockaddr_to_nwad (
const struct sockaddr_storage* addr, qse_nwad_t* nwad)
{
int addrsize = -1;
switch (addr->ss_family)
{
case AF_INET:
{
struct sockaddr_in* in;
in = (struct sockaddr_in*)addr;
addrsize = QSE_SIZEOF(*in);
memset (nwad, 0, QSE_SIZEOF(*nwad));
nwad->type = QSE_NWAD_IN4;
nwad->u.in4.addr.value = in->sin_addr.s_addr;
nwad->u.in4.port = in->sin_port;
break;
}
#if defined(AF_INET6)
case AF_INET6:
{
struct sockaddr_in6* in;
in = (struct sockaddr_in6*)addr;
addrsize = QSE_SIZEOF(*in);
memset (nwad, 0, QSE_SIZEOF(*nwad));
nwad->type = QSE_NWAD_IN6;
memcpy (&nwad->u.in6.addr, &in->sin6_addr, QSE_SIZEOF(nwad->u.in6.addr));
nwad->u.in6.scope = in->sin6_scope_id;
nwad->u.in6.port = in->sin6_port;
break;
}
#endif
}
return addrsize;
}
static int nwad_to_sockaddr (
const qse_nwad_t* nwad, struct sockaddr_storage* addr)
{
int addrsize = -1;
switch (nwad->type)
{
case QSE_NWAD_IN4:
{
struct sockaddr_in* in;
in = (struct sockaddr_in*)addr;
addrsize = QSE_SIZEOF(*in);
memset (in, 0, addrsize);
in->sin_family = AF_INET;
in->sin_addr.s_addr = nwad->u.in4.addr.value;
in->sin_port = nwad->u.in4.port;
break;
}
case QSE_NWAD_IN6:
{
#if defined(AF_INET6)
struct sockaddr_in6* in;
in = (struct sockaddr_in6*)addr;
addrsize = QSE_SIZEOF(*in);
memset (in, 0, addrsize);
in->sin6_family = AF_INET6;
memcpy (&in->sin6_addr, &nwad->u.in6.addr, QSE_SIZEOF(nwad->u.in6.addr));
in->sin6_scope_id = nwad->u.in6.scope;
in->sin6_port = nwad->u.in6.port;
#endif
break;
}
}
return addrsize;
}
/* ------------------------------------------------------------------- */
static int sock_open (qse_upxd_t* upxd, qse_upxd_sock_t* sock)
{
int fd = -1, flag;
int syserr = 1;
struct sockaddr_storage addr;
int addrsize;
addrsize = nwad_to_sockaddr (&sock->bind, &addr);
if (addrsize <= -1)
{
qse_upxd_seterrnum (upxd, QSE_UPXD_ENOIMPL);
syserr = 0;
goto oops;
}
/* TODO: if AF_INET6 is not defined sockaddr_storage is not available...
* create your own union or somehting similar... */
fd = socket (addr.ss_family, SOCK_DGRAM, IPPROTO_UDP);
if (fd <= -1) goto oops;
flag = fcntl (fd, F_GETFD);
if (flag >= 0) fcntl (fd, F_SETFD, flag | FD_CLOEXEC);
if (bind (fd, (struct sockaddr*)&addr, addrsize) <= -1)
{
#if defined(IPV6_V6ONLY)
if (errno == EADDRINUSE && addr.ss_family == AF_INET6)
{
int on = 1;
setsockopt (fd, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof(on));
if (bind (fd, (struct sockaddr*)&addr, addrsize) <= -1) goto oops;
}
else goto oops;
#else
goto oops;
#endif
}
if (sock->dev)
{
#if defined(SO_BINDTODEVICE)
struct ifreq ifr;
qse_size_t wsz, msz;
memset (&ifr, 0, sizeof(ifr));
#if defined(QSE_CHAR_IS_MCHAR)
qse_mbscpy (ifr.ifr_name, sock->dev, QSE_COUNTOF(ifr.ifr_name));
#else
msz = QSE_COUNTOF(ifr.ifr_name);
if (qse_wcstombs (sock->dev, &wsz, ifr.ifr_name, &msz) <= -1)
{
qse_upxd_seterrnum (upxd, QSE_UPXD_EINVAL);
syserr = 0;
goto oops;
}
#endif
if (setsockopt (fd, SOL_SOCKET, SO_BINDTODEVICE, &ifr, QSE_SIZEOF(ifr)) <= -1) goto oops;
#endif
}
flag = fcntl (fd, F_GETFL);
if (flag >= 0) fcntl (fd, F_SETFL, flag | O_NONBLOCK);
sock->handle.i = fd;
return 0;
oops:
if (syserr) qse_upxd_seterrnum (upxd, syserr_to_errnum(errno));
if (fd >= 0) close (fd);
return -1;
}
static void sock_close (qse_upxd_t* upxd, qse_upxd_sock_t* sock)
{
close (sock->handle.i);
}
static qse_ssize_t sock_recv (
qse_upxd_t* upxd, qse_upxd_sock_t* sock, void* buf, qse_size_t bufsize)
{
ssize_t ret;
struct sockaddr_storage addr;
socklen_t addrsize;
addrsize = QSE_SIZEOF(addr);
ret = recvfrom (sock->handle.i, buf, bufsize, 0, (struct sockaddr*)&addr, &addrsize);
if (ret <= -1) qse_upxd_seterrnum (upxd, syserr_to_errnum(errno));
else
{
if (sockaddr_to_nwad (&addr, &sock->from) <= -1)
{
qse_upxd_seterrnum (upxd, QSE_UPXD_ENOIMPL);
ret = -1;
}
}
return ret;
}
static qse_ssize_t sock_send (
qse_upxd_t* upxd, qse_upxd_sock_t* sock, const void* buf, qse_size_t bufsize)
{
struct sockaddr_storage addr;
int addrsize;
ssize_t ret;
addrsize = nwad_to_sockaddr (&sock->to, &addr);
if (addrsize <= -1)
{
qse_upxd_seterrnum (upxd, QSE_UPXD_ENOIMPL);
return -1;
}
ret = sendto (sock->handle.i, buf, bufsize,
0, (struct sockaddr*)&addr, addrsize);
if (ret <= -1) qse_upxd_seterrnum (upxd, syserr_to_errnum(errno));
return ret;
}
/* ------------------------------------------------------------------- */
static int session_config (
qse_upxd_t* upxd, qse_upxd_session_t* session)
{
/* you can check the source address (session->from).
* you can set the destination address.
* you can set the binding address.
* you can set the binding interface.
*/
qse_strtonwad (QSE_T("127.0.0.1:9991"), &session->config.peer);
qse_strtonwad (QSE_T("0.0.0.0:0"), &session->config.bind);
/*qse_strxcpy (session->config.dev, QSE_COUNTOF(session->config.dev), QSE_T("eth1"));*/
session->config.dormancy = 10000;
return 0;
}
static void session_error (
qse_upxd_t* upxd, qse_upxd_session_t* session)
{
if (session->server)
{
}
else
{
/* session->local.nwad is not associated with a session. */
}
qse_printf (QSE_T("ERROR IN SESSION COMMUNICATION\n"));
}
/* ------------------------------------------------------------------- */
struct mux_ev_t
{
qse_ubi_t handle;
int reqmask;
qse_upxd_muxcb_t cbfun;
void* cbarg;
};
struct mux_t
{
int fd;
struct
{
struct epoll_event* ptr;
qse_size_t len;
qse_size_t capa;
} ee;
struct
{
struct mux_ev_t** ptr;
qse_size_t capa;
} mev;
};
#define MUX_EV_ALIGN 64
static void* mux_open (qse_upxd_t* upxd)
{
struct mux_t* mux;
mux = qse_upxd_allocmem (upxd, QSE_SIZEOF(*mux));
if (mux == QSE_NULL) return QSE_NULL;
memset (mux, 0, QSE_SIZEOF(*mux));
#if defined(HAVE_EPOLL_CREATE1) && defined(O_CLOEXEC)
mux->fd = epoll_create1 (O_CLOEXEC);
#else
mux->fd = epoll_create (100);
#endif
if (mux->fd <= -1)
{
qse_upxd_freemem (upxd, mux);
qse_upxd_seterrnum (upxd, syserr_to_errnum(errno));
return QSE_NULL;
}
#if defined(HAVE_EPOLL_CREATE1) && defined(O_CLOEXEC)
/* nothing else to do */
#else
{
int flag = fcntl (mux->fd, F_GETFD);
if (flag >= 0) fcntl (mux->fd, F_SETFD, flag | FD_CLOEXEC);
}
#endif
return mux;
}
static void mux_close (qse_upxd_t* upxd, void* vmux)
{
struct mux_t* mux = (struct mux_t*)vmux;
if (mux->ee.ptr) qse_upxd_freemem (upxd, mux->ee.ptr);
if (mux->mev.ptr)
{
qse_size_t i;
for (i = 0; i < mux->mev.capa; i++)
if (mux->mev.ptr[i]) qse_upxd_freemem (upxd, mux->mev.ptr[i]);
qse_upxd_freemem (upxd, mux->mev.ptr);
}
close (mux->fd);
qse_upxd_freemem (upxd, mux);
}
static int mux_addhnd (
qse_upxd_t* upxd, void* vmux, qse_ubi_t handle,
qse_upxd_muxcb_t cbfun, void* cbarg)
{
struct mux_t* mux = (struct mux_t*)vmux;
struct epoll_event ev;
struct mux_ev_t* mev;
ev.events = EPOLLIN; /* inspect IN and HUP only */
if (handle.i >= mux->mev.capa)
{
struct mux_ev_t** tmp;
qse_size_t tmpcapa, i;
tmpcapa = (((handle.i + MUX_EV_ALIGN) / MUX_EV_ALIGN) * MUX_EV_ALIGN);
tmp = (struct mux_ev_t**) qse_upxd_reallocmem (
upxd, mux->mev.ptr,
QSE_SIZEOF(*mux->mev.ptr) * tmpcapa);
if (tmp == QSE_NULL) return -1;
for (i = mux->mev.capa; i < tmpcapa; i++) tmp[i] = QSE_NULL;
mux->mev.ptr = tmp;
mux->mev.capa = tmpcapa;
}
if (mux->mev.ptr[handle.i] == QSE_NULL)
{
/* the location of the data passed to epoll_ctl()
* must not change unless i update the info with epoll()
* whenever there is reallocation. so i simply
* make mux-mev.ptr reallocatable but auctual
* data fixed once allocated. */
mux->mev.ptr[handle.i] = qse_upxd_allocmem (
upxd, QSE_SIZEOF(*mux->mev.ptr[handle.i]));
if (mux->mev.ptr[handle.i] == QSE_NULL) return -1;
}
if (mux->ee.len >= mux->ee.capa)
{
struct epoll_event* tmp;
tmp = qse_upxd_reallocmem (
upxd, mux->ee.ptr,
QSE_SIZEOF(*mux->ee.ptr) * (mux->ee.capa + 1) * 2);
if (tmp == QSE_NULL) return -1;
mux->ee.ptr = tmp;
mux->ee.capa = (mux->ee.capa + 1) * 2;
}
mev = mux->mev.ptr[handle.i];
mev->handle = handle;
mev->cbfun = cbfun;
mev->cbarg = cbarg;
ev.data.ptr = mev;
if (epoll_ctl (mux->fd, EPOLL_CTL_ADD, handle.i, &ev) <= -1)
{
/* don't rollback ee.ptr */
qse_upxd_seterrnum (upxd, syserr_to_errnum(errno));
return -1;
}
mux->ee.len++;
return 0;
}
static int mux_delhnd (qse_upxd_t* upxd, void* vmux, qse_ubi_t handle)
{
struct mux_t* mux = (struct mux_t*)vmux;
if (epoll_ctl (mux->fd, EPOLL_CTL_DEL, handle.i, QSE_NULL) <= -1)
{
qse_upxd_seterrnum (upxd, syserr_to_errnum(errno));
return -1;
}
mux->ee.len--;
return 0;
}
static int mux_poll (qse_upxd_t* upxd, void* vmux, qse_ntime_t timeout)
{
struct mux_t* mux = (struct mux_t*)vmux;
struct mux_ev_t* mev;
int nfds, i;
if (mux->ee.len < 0)
{
/* nothing to monitor yet */
sleep (timeout / 1000);
}
else
{
nfds = epoll_wait (mux->fd, mux->ee.ptr, mux->ee.len, timeout);
if (nfds <= -1)
{
qse_upxd_seterrnum (upxd, syserr_to_errnum(errno));
return -1;
}
for (i = 0; i < nfds; i++)
{
mev = mux->ee.ptr[i].data.ptr;
if (mux->ee.ptr[i].events & (EPOLLIN | EPOLLHUP))
mev->cbfun (upxd, mux, mev->handle, mev->cbarg);
}
}
return 0;
}
/* ------------------------------------------------------------------- */
static qse_upxd_cbs_t upxd_cbs =
{
/* socket */
{ sock_open, sock_close, sock_recv, sock_send },
/* session */
{ session_config, session_error },
/* multiplexer */
{ mux_open, mux_close, mux_addhnd, mux_delhnd, mux_poll }
};
/* ------------------------------------------------------------------- */
typedef struct tr_t tr_t;
struct tr_t
{
unsigned int line;
qse_sio_t* sio;
qse_str_t* t;
unsigned int tl;
qse_char_t last;
};
tr_t* tr_open (const qse_char_t* name)
{
tr_t* tr;
tr = malloc (QSE_SIZEOF(*tr));
if (tr == QSE_NULL) return QSE_NULL;
memset (tr, 0, sizeof(*tr));
tr->line = 1;
tr->sio = qse_sio_open (QSE_MMGR_GETDFL(), 0, name, QSE_SIO_READ);
if (tr->sio == QSE_NULL)
{
free (tr);
return QSE_NULL;
}
tr->t = qse_str_open (QSE_MMGR_GETDFL(), 0, 128);
if (tr->t == QSE_NULL)
{
qse_sio_close (tr->sio);
free (tr);
return QSE_NULL;
}
return tr;
}
void tr_close (tr_t* tr)
{
qse_str_close (tr->t);
qse_sio_close (tr->sio);
free (tr);
}
qse_char_t* tr_getnext (tr_t* tr)
{
qse_char_t c;
qse_str_clear (tr->t);
if (tr->last)
{
tr->tl = tr->line;
if (qse_str_ccat (tr->t, tr->last) == (qse_ssize_t)-1) return QSE_NULL;
tr->last = 0;
}
else
{
/* skip spaces */
while (1)
{
if (qse_sio_getc (tr->sio, &c) <= -1) return QSE_NULL;
if (c == QSE_CHAR_EOF) return QSE_NULL;
if (c == QSE_T('\n')) tr->line++;
if (!QSE_ISSPACE(c)) break;
}
tr->tl = tr->line;
if (c == QSE_T(';') || c == QSE_T('{') || c == QSE_T('}'))
{
if (qse_str_ccat (tr->t, c) == (qse_ssize_t)-1) return QSE_NULL;
}
else
{
do
{
if (qse_str_ccat (tr->t, c) == (qse_ssize_t)-1) return QSE_NULL;
if (qse_sio_getc (tr->sio, &c) <= -1) return QSE_NULL;
if (c == QSE_CHAR_EOF) break;
if (c == QSE_T('\n')) tr->line++;
if (QSE_ISSPACE(c)) break;
else if (c == QSE_T(';') || c == QSE_T('{') || c == QSE_T('}'))
{
tr->last = c;
break;
}
}
while (1);
}
}
return QSE_STR_PTR(tr->t);
}
/* ------------------------------------------------------------------- */
struct cfg_rule_t
{
struct
{
qse_ipad_t ipad;
qse_ipad_t mask;
} src;
int action; /* DROP, FORWARD */
struct
{
qse_nwad_t via;
qse_char_t via_dev[64];
qse_nwad_t to_nwad;
} fwd;
};
typedef struct cfg_listen_t cfg_listen_t;
struct cfg_listen_t
{
qse_nwad_t nwad;
qse_char_t dev[64];
cfg_rule_t* rule;
};
typedef struct cfg_t cfg_t;
struct cfg_t
{
cfg_listen_t* list;
};
cfg_t* cfg_open (void)
{
cfg_t* cfg;
cfg = malloc (QSE_SIZEOF(*cfg));
if (cfg == QSE_NULL) return QSE_NULL;
return cfg;
}
void cfg_close (cfg_t*)
{
free (cfg);
}
cfg_listen_t* cfg_addlisten (cfg_t* cfg, qse_nwad_t nwad, const qse_char_t* dev)
{
cfg_listen_t* ptr;
ptr = malloc (QSE_SIZEOF(*ptr));
if (ptr == QSE_NULL) return QSE_NULL;
ptr->nwad = nwad;
qse_strxcpy (ptr->dev, QSE_COUNTOF(ptr->dev), dev);
ptr->rule = QSE_NULL;
return ptr;
}
static cfg_t* load_cfg (const qse_char_t* name)
{
tr_t* tr;
const qse_char_t* t;
cfg_t* cfg;
cfg_listen_t cfglis;
qse_nwad_t nwad;
cfg = malloc (QSE_SIZEOF(*cfg));
if (cfg == QSE_NULL) return QSE_NULL;
tr = tr_open (name);
if (tr == QSE_NULL) goto oops;
do
{
t = tr_getnext(tr);
if (t == QSE_NULL) break;
if (qse_strcmp (t, QSE_T("listen")) == 0)
{
tmp = tr_getnext(tr);
if (tmp == QSE_NULL || qse_strtonwad (tmp, &nwad) <= -1)
{
qse_printf (QSE_T("line %u: ipaddr:port expected after 'listen'\n"), (unsigned int)tr->tl);
goto oops;
}
tmp = tr_getnext (tr);
if (tmp == QSE_NULL)
{
qse_printf (QSE_T("line %u: 'dev' or { expected\n"), (unsigned int)tr->tl);
goto oops;
}
if (qse_strcmp (tmp, QSE_T("dev")) == 0)
{
tmp = tr_getnext (tr);
if (tmp == QSE_NULL)
{
qse_printf (QSE_T("line %u: device name expected\n"), (unsigned int)tr->tl);
goto oops;
}
if (cfg_addlisten (cfg, &nwad, tmp) <= -1)
{
qse_printf (QSE_T("line %u: failed to add a new service\n"), (unsigned int)tr->tl);
goto oops;
}
tmp = tr_getnext (tr);
if (tmp == QSE_NULL)
{
qse_printf (QSE_T("line %u: { expected\n"), (unsigned int)tr->tl);
goto oops;
}
}
if (qse_strcmp (tmp, QSE_T('{')) != 0)
{
qse_printf (QSE_T("line %u: { expected\n"), (unsigned int)tr->tl);
goto oops;
}
while (1)
{
tmp = tr_getnext (tr);
if (tmp == QSE_NULL)
{
qse_printf (QSE_T("line %u: } expected\n"), (unsigned int)tr->tl);
goto oops;
}
if (qse_strcmp (tmp, QSE_T("}")) == 0) break;
if (qse_strcmp (tmp, QSE_T("from")) != 0)
{
qse_printf (QSE_T("line %u: 'from' expected\n"), (unsigned int)tr->tl);
}
tmp = tr_getnext (tr);
if (qse_strcmp (action, QSE_T("drop")) == 0)
{
}
else if (qse_strcmp (action, QSE_T("forward")) == 0)
{
}
else
{
}
tmp = tr_getnext (tr);
if (qse_strcmp (tmp, QSE_T(";")) != 0)
{
}
}
tmp = tr_getnext (tr);
if (qse_strcmp (tmp, QSE_T("}")) != 0)
{
}
}
else
{
qse_printf (QSE_T("line %u: 'listen' expected\n"), (unsigned int)tr->tl);
goto oops;
}
}
while (1);
return cfg;
oops:
if (tr) tr_close (tr);
return QSE_NULL;
}
static void free_cfg (cfg_t* cfg)
{
}
/* ------------------------------------------- */
static qse_upxd_t* g_upxd = QSE_NULL;
static void sigint (int sig)
{
if (g_upxd) qse_upxd_stop (g_upxd);
}
int upxd_main (int argc, qse_char_t* argv[])
{
qse_upxd_t* upxd = QSE_NULL;
cfg_t* cfg = QSE_NULL;
int ret = -1, i;
if (argc <= 1)
{
qse_fprintf (QSE_STDERR, QSE_T("Usage: %s <server-address> ...\n"), argv[0]);
goto oops;
}
cfg = load_cfg (argv[1]);
if (cfg == QSE_NULL)
{
qse_fprintf (QSE_STDERR, QSE_T("Error: Cannot load %s\n"), argv[1]);
goto oops;
}
upxd = qse_upxd_open (QSE_MMGR_GETDFL(), 0);
if (upxd == QSE_NULL)
{
qse_fprintf (QSE_STDERR, QSE_T("Cannot open upxd\n"));
goto oops;
}
for (i = 1; i < argc; i++)
{
qse_nwad_t nwad;
if (qse_strtonwad (argv[i], &nwad) <= -1)
{
qse_fprintf (QSE_STDERR,
QSE_T("Wrong server - %s\n"), argv[i]);
goto oops;
}
if (qse_upxd_addserver (upxd, &nwad, QSE_NULL) == QSE_NULL)
{
qse_fprintf (QSE_STDERR,
QSE_T("Failed to add server - %s\n"), argv[i]);
goto oops;
}
}
g_upxd = upxd;
signal (SIGINT, sigint);
signal (SIGPIPE, SIG_IGN);
qse_upxd_setcbs (upxd, &upxd_cbs);
ret = qse_upxd_loop (upxd, 5000);
signal (SIGINT, SIG_DFL);
signal (SIGPIPE, SIG_DFL);
g_upxd = QSE_NULL;
if (ret <= -1)
qse_fprintf (QSE_STDERR, QSE_T("Error - %d\n"), (int)qse_upxd_geterrnum(upxd));
oops:
if (upxd) qse_upxd_close (upxd);
if (cfg) free_cfg (cfg);
return ret;
}
int qse_main (int argc, qse_achar_t* argv[])
{
#if defined(_WIN32)
char locale[100];
UINT codepage = GetConsoleOutputCP();
if (codepage == CP_UTF8)
{
/*SetConsoleOUtputCP (CP_UTF8);*/
qse_setdflcmgrbyid (QSE_CMGR_UTF8);
}
else
{
sprintf (locale, ".%u", (unsigned int)codepage);
setlocale (LC_ALL, locale);
qse_setdflcmgrbyid (QSE_CMGR_SLMB);
}
#else
setlocale (LC_ALL, "");
qse_setdflcmgrbyid (QSE_CMGR_SLMB);
#endif
return qse_runmain (argc, argv, upxd_main);
}