first commit

13 files changed, 540 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..39313a7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+*.o
+*.swp
+*.BAK
+env
+kcgienv
+main
diff --git a/.indent.pro b/.indent.pro
new file mode 100644
index 0000000..1f1db9f
--- /dev/null
+++ b/.indent.pro
@@ -0,0 +1,19 @@
+-bap
+-br
+-ce
+-ci4
+-cli0
+-d0
+-i8
+-ip
+-l79
+-nbc
+-ncdb
+-ndj
+-ei
+-fc1
+-lp
+-npcs
+-psl
+-sc
+-nsob
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..3a2dc4a
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,12 @@
+Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..45c1133
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,57 @@
+# Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors
+# may be used to endorse or promote products derived from this software without
+# specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+CC=cc
+CFLAGS_DEPS != pkg-config --cflags kcgi kcgi-html
+LDFLAGS_DEPS != pkg-config --libs kcgi kcgi-html
+
+CFLAGS=-g -W -Wall -Wextra $(CFLAGS_DEPS)
+LDFLAGS=-static $(LDFLAGS_DEPS) 
+
+all: main
+
+.c.o:
+	$(CC) -o $@ -c $< $(CFLAGS)
+
+main: http.o browse.o main.o
+	$(CC) -o $@ $> $(LDFLAGS)
+
+env: env.o
+	$(CC) -o $@ $> $(LDFLAGS)
+
+kcgienv: kcgienv.o
+	$(CC) -o $@ $> $(LDFLAGS)
+
+install:
+	install -o www -g www -m 0500 main /var/www/cgi-bin/vault
+
+clean:
+	rm -f *.o *.BAK main
+
+links:
+	links http://localhost/cgi-bin/vault
diff --git a/browse.c b/browse.c
new file mode 100644
index 0000000..1cd635f
--- /dev/null
+++ b/browse.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <dirent.h>
+#include <kcgi.h>
+#include <kcgihtml.h>
+#include <string.h>
+
+#include "browse.h"
+#include "config.h"
+#include "error.h"
+#include "http.h"
+
+int
+browse(struct kreq * r)
+{
+	struct dirent  *current_dir;
+	DIR            *data_dir;
+	char           *dir_name;
+	struct khtmlreq html;
+
+	http_open(r, KHTTP_200);
+
+	if (KCGI_OK != khtml_open(&html, r, 0))
+		return VAULT_CGI_ERROR;
+
+	/* build basic html page */
+	khtml_elem(&html, KELEM_DOCTYPE);
+	khtml_elem(&html, KELEM_HTML);
+	khtml_elem(&html, KELEM_BODY);
+	khtml_elem(&html, KELEM_P);
+	khtml_puts(&html, "/");
+	khtml_closeelem(&html, 1);
+
+	/* list data directory content */
+	data_dir = opendir(DATA_DIR);
+	if (NULL == data_dir)
+		return VAULT_IO_ERROR;
+	khtml_elem(&html, KELEM_UL);
+	while ((current_dir = readdir(data_dir)) != NULL) {
+		/* ignore special . and .. folders */
+		dir_name = current_dir->d_name;
+		if (strcmp(".", dir_name) == 0 || strcmp("..", dir_name) == 0)
+			continue;
+		khtml_elem(&html, KELEM_LI);
+		khtml_puts(&html, current_dir->d_name);
+		khtml_closeelem(&html, 1);
+	}
+	khtml_close(&html);
+	closedir(data_dir);
+
+	return VAULT_SUCCESS;
+}
diff --git a/browse.h b/browse.h
new file mode 100644
index 0000000..888cbc7
--- /dev/null
+++ b/browse.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef VAULT_BROWSE_H
+#define VAULT_BROWSE_H
+
+#include <kcgi.h>
+
+/*
+ * browse page allows to browse through the folder hierarchy under DATA_DIR,
+ * returns 0 in case of success, an error code otherwise
+ */
+int 		browse    (struct kreq *);
+
+#endif				/* VAULT_BROWSE_H */
diff --git a/config.h b/config.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/config.h
diff --git a/env.c b/env.c
new file mode 100644
index 0000000..5253633
--- /dev/null
+++ b/env.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+extern char** environ;
+
+int main(void) {
+	puts("Status: 200 OK\r");
+	puts("Content-Type: text/html\r");
+	puts("\r");	
+	
+	for(char **var = environ; *var; var++) {
+		puts(*var);
+		puts("</br>");
+	}
+	
+	return EXIT_SUCCESS;
+}
diff --git a/error.h b/error.h
new file mode 100644
index 0000000..e95b38f
--- /dev/null
+++ b/error.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef VAULT_ERROR_H
+#define VAULT_ERROR_H
+
+#define VAULT_SUCCESS 0
+#define VAULT_CGI_ERROR -1
+#define VAULT_IO_ERROR -2
+
+#endif				/* VAULT_ERROR_H */
diff --git a/http.c b/http.c
new file mode 100644
index 0000000..1f7b85b
--- /dev/null
+++ b/http.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+
+#include "http.h"
+
+void
+http_open(struct kreq * r, enum khttp code)
+{
+	khttp_head(r, kresps[KRESP_STATUS], "%s", khttps[code]);
+	khttp_head(r, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[r->mime]);
+	khttp_body(r);
+}
diff --git a/http.h b/http.h
new file mode 100644
index 0000000..e28b2b2
--- /dev/null
+++ b/http.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef VAULT_HTTP_H
+#define VAULT_HTTP_H
+
+#include <kcgi.h>
+
+/*
+ * Initialize headers and start the document body with the provided http code
+ */
+void 		http_open(struct kreq *, enum khttp);
+
+#endif				/* VAULT_HTTP_H */
diff --git a/kcgienv.c b/kcgienv.c
new file mode 100644
index 0000000..155d8a9
--- /dev/null
+++ b/kcgienv.c
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <kcgi.h>
+#include <unistd.h>
+
+int main(void) {
+	struct kreq r;
+	const char *page = "index";
+	if(KCGI_OK != khttp_parse(&r, NULL, 0, &page, 1, 0))
+		return EXIT_FAILURE;
+
+	if(-1 == pledge("stdio", NULL))
+		return EXIT_FAILURE;
+
+	khttp_head(&r, kresps[KRESP_STATUS], "%s", khttps[KHTTP_200]);
+	khttp_head(&r, kresps[KRESP_CONTENT_TYPE], "%s", kmimetypes[r.mime]);
+	khttp_body(&r);
+
+	if(r.reqsz > 0) {
+		// print request headers
+		for(struct khead* header = r.reqs; header < r.reqs + r.reqsz; header++) {
+			khttp_puts(&r, header->key);
+			khttp_puts(&r, "=");
+			khttp_puts(&r, header->val);
+			khttp_puts(&r, "<br/>");
+		}
+	}
+
+	khttp_free(&r);
+	return EXIT_SUCCESS;
+}
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..e323683
--- /dev/null
+++ b/main.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <kcgi.h>
+#include <unistd.h>
+
+#include "browse.h"
+#include "http.h"
+
+enum page {
+	PAGE_BROWSE,
+	PAGE__MAX
+};
+
+static const char *const pages[PAGE__MAX] = {
+	"browse",
+};
+
+int
+main(void)
+{
+	enum kcgi_err 	err;
+	int 		page_ret_val;
+	struct kreq 	r;
+
+	err = khttp_parse(&r, NULL, 0, pages, PAGE__MAX, PAGE_BROWSE);
+
+	if (KCGI_OK != err)
+		return EXIT_FAILURE;
+
+	/*
+	 * Make sure basic request parameters are as expected : GET or POST,
+	 * valid page and HTML document
+	 */
+
+	if (r.method != KMETHOD_GET && r.method != KMETHOD_POST) {
+		http_open(&r, KHTTP_405);
+		khttp_free(&r);
+		return EXIT_SUCCESS;
+	} else if (r.mime != KMIME_TEXT_HTML) {
+		http_open(&r, KHTTP_406);	/* Not Acceptable */
+		khttp_free(&r);
+		return EXIT_SUCCESS;
+	} else if (r.page == PAGE__MAX) {
+		http_open(&r, KHTTP_404);
+		khttp_free(&r);
+		return EXIT_SUCCESS;
+	}
+	if (-1 == pledge("stdio rpath", NULL)) {
+		khttp_free(&r);
+		return EXIT_FAILURE;
+	}
+	/*
+	 * TODO error happens here if(-1 == unveil(DATA_DIR, "r")) { ret_val
+	 * = EXIT_FAILURE; goto FAIL_HTML; }
+	 */
+
+	switch (r.page) {
+	case PAGE_BROWSE:
+		page_ret_val = browse(&r);
+		break;
+	default:
+		abort();
+	}
+
+	khttp_free(&r);
+	return page_ret_val;
+}