simple HTTP server for testing bug 90199

webtools/web-sniffer/Makefile

@@ -63,6 +63,7 @@ EXES =			\
 	dnstest$(EXE)	\
 	ftp$(EXE)	\
 	grab$(EXE)	\
+	httpd$(EXE)	\
 	link$(EXE)	\
 	pop$(EXE)	\
 	proxy$(EXE)	\
@@ -73,6 +74,7 @@ EXES =			\
 #all: dnstest$(EXE)
 #all: ftp$(EXE)
 #all: grab$(EXE)
+#all: httpd$(EXE)
 #all: link$(EXE)
 #all: pop$(EXE)
 #all: proxy$(EXE)
@@ -90,6 +92,9 @@ ftp$(EXE): ftp.c $(OBJS)
 grab$(EXE): grab.c $(OBJS)
 	$(PURIFY) $(CC) $(CFLAGS) grab.c $(OBJS) $(LIBS) -o $@
 
+httpd$(EXE): httpd.c $(OBJS)
+	$(PURIFY) $(CC) $(CFLAGS) httpd.c $(OBJS) $(LIBS) -o $@
+
 link$(EXE): link.c $(OBJS)
 	$(PURIFY) $(CC) $(CFLAGS) link.c $(OBJS) $(LIBS) -o $@
 

webtools/web-sniffer/Makefile.in

@@ -63,6 +63,7 @@ EXES =			\
 	dnstest$(EXE)	\
 	ftp$(EXE)	\
 	grab$(EXE)	\
+	httpd$(EXE)	\
 	link$(EXE)	\
 	pop$(EXE)	\
 	proxy$(EXE)	\
@@ -73,6 +74,7 @@ EXES =			\
 #all: dnstest$(EXE)
 #all: ftp$(EXE)
 #all: grab$(EXE)
+#all: httpd$(EXE)
 #all: link$(EXE)
 #all: pop$(EXE)
 #all: proxy$(EXE)
@@ -90,6 +92,9 @@ ftp$(EXE): ftp.c $(OBJS)
 grab$(EXE): grab.c $(OBJS)
 	$(PURIFY) $(CC) $(CFLAGS) grab.c $(OBJS) $(LIBS) -o $@
 
+httpd$(EXE): httpd.c $(OBJS)
+	$(PURIFY) $(CC) $(CFLAGS) httpd.c $(OBJS) $(LIBS) -o $@
+
 link$(EXE): link.c $(OBJS)
 	$(PURIFY) $(CC) $(CFLAGS) link.c $(OBJS) $(LIBS) -o $@
 

webtools/web-sniffer/httpd.c

@@ -0,0 +1,243 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is SniffURI.
+ *
+ * The Initial Developer of the Original Code is
+ * Erik van der Poel <erik@vanderpoel.org>.
+ * Portions created by the Initial Developer are Copyright (C) 1998-2005
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include "all.h"
+
+typedef void (*Handler)(int fd);
+
+typedef struct FD
+{
+	Handler	handler;
+	FILE	*file;
+} FD;
+
+static unsigned short mainPort = 8008;
+static int maxFD = -1;
+static FD **table = NULL;
+static fd_set fdSet;
+
+static FD *
+addFD(int fd, Handler func)
+{
+	FD	*f;
+
+	if (fd > maxFD)
+	{
+		if (table)
+		{
+			table = utilRealloc(table,
+				(maxFD + 1) * sizeof(*table),
+				(fd + 1) * sizeof(*table));
+		}
+		else
+		{
+			table = calloc(fd + 1, sizeof(*table));
+		}
+		if (!table)
+		{
+			return NULL;
+		}
+		maxFD = fd;
+	}
+
+	f = malloc(sizeof(FD));
+	if (!f)
+	{
+		return NULL;
+	}
+	f->handler = func;
+	f->file = NULL;
+
+	table[fd] = f;
+
+	FD_SET(fd, &fdSet);
+
+	return f;
+}
+
+static void
+removeFD(int fd)
+{
+	FD	*f;
+
+	f = table[fd];
+	if (f)
+	{
+		FD_CLR(fd, &fdSet);
+		if (f->file && (fileno(f->file) == fd))
+		{
+			fclose(f->file);
+		}
+		else
+		{
+			close(fd);
+		}
+		free(f);
+		table[fd] = NULL;
+	}
+}
+
+static void
+readClientRequest(int fd)
+{
+	unsigned char	buf[10240];
+	int		bytesRead;
+	FILE		*file;
+
+	bytesRead = recv(fd, buf, sizeof(buf) - 1, 0);
+	if (bytesRead < 0)
+	{
+		if (errno != ECONNRESET)
+		{
+			perror("recv");
+		}
+		removeFD(fd);
+		return;
+	}
+	else if (!bytesRead)
+	{
+		removeFD(fd);
+		return;
+	}
+	buf[bytesRead] = 0;
+
+	file = fdopen(fd, "w");
+	if (!file)
+	{
+		char *err = "fdopen failed\n";
+		send(fd, err, strlen(err), 0);
+		removeFD(fd);
+		return;
+	}
+
+	table[fd]->file = file;
+
+	if (strstr((char *) buf, "/exit"))
+	{
+		char *goodbye =
+			"HTTP/1.0 200 OK\n"
+			"Content-Type: text/html\n"
+			"\n"
+			"Bye!"
+		;
+		fprintf(file, goodbye);
+		removeFD(fd);
+		exit(0);
+	}
+	else if (strstr((char *) buf, "/no-content-type"))
+	{
+		char *begin =
+			"HTTP/1.0 200 OK\n"
+			"\n"
+		;
+
+		fprintf(file, begin);
+		fprintf(file, "<html><head><title>No Content-Type</title>");
+		fprintf(file, "</head><body><h1>No Content-Type</h1></body>");
+		fprintf(file, "</html>");
+		removeFD(fd);
+	}
+	else
+	{
+		char *hello =
+			"HTTP/1.0 200 OK\n"
+			"Content-Type: text/html\n"
+			"\n"
+		;
+
+		fprintf(file, hello);
+		fprintf(file, "<html><head><title>SniffURI httpd</title>");
+		fprintf(file, "</head><body>");
+		fprintf(file, "<a href=exit>Exit</a><br>");
+		fprintf(file,
+			"<a href=no-content-type>No Content-Type</a><br>");
+		fprintf(file, "</body></html>");
+		removeFD(fd);
+	}
+}
+
+static void
+acceptNewClient(int fd)
+{
+	FD	*f;
+	int	newFD;
+
+	newFD = netAccept(fd);
+	if (newFD < 0)
+	{
+		fprintf(stderr, "netAccept failed\n");
+		return;
+	}
+
+	f = addFD(newFD, readClientRequest);
+	if (!f)
+	{
+		fprintf(stderr, "addFD failed\n");
+		return;
+	}
+}
+
+int
+main(int argc, char *argv[])
+{
+	App	*app;
+	FD	*f;
+	int	fd;
+	fd_set	localFDSet;
+	int	ret;
+
+	app = appAlloc();
+	fd = netListen(app, NULL, &mainPort);
+	if (fd < 0)
+	{
+		fprintf(stderr, "netListen failed\n");
+		return 1;
+	}
+
+	f = addFD(fd, acceptNewClient);
+	if (!f)
+	{
+		fprintf(stderr, "addFD failed\n");
+		return 1;
+	}
+
+	while (1)
+	{
+		localFDSet = fdSet;
+		ret = select(maxFD + 1, &localFDSet, NULL, NULL, NULL);
+		if (ret == -1)
+		{
+			perror("select");
+		}
+		for (fd = 0; fd <= maxFD; fd++)
+		{
+			if (FD_ISSET(fd, &localFDSet))
+			{
+				(*table[fd]->handler)(fd);
+			}
+		}
+	}
+
+	return 0;
+}