This is an example web-server implementation. It can be used for files uploading to u-boot using a web-browser. It acts much like tftpget, but no special servers needs to be installed by the user.
This code can be used as a base for other implementations like firmware upgrade web-server used by some vendors.
Usage: u-boot: start the we-server using the "httpd_upload" command PC: open the "http://your_uboot_ip" link in the browser
Signed-off-by: Mikhail Kshevetskiy mikhail.kshevetskiy@iopsys.eu --- cmd/Kconfig | 14 ++++ cmd/net.c | 20 ++++++ include/net/httpd-upload.h | 12 ++++ net/Makefile | 19 +++++ net/httpd-upload.c | 123 ++++++++++++++++++++++++++++++++ net/httpd_upload/error_400.html | 9 +++ net/httpd_upload/error_404.html | 10 +++ net/httpd_upload/index.html | 14 ++++ net/httpd_upload/upload_ok.html | 7 ++ 9 files changed, 228 insertions(+) create mode 100644 include/net/httpd-upload.h create mode 100644 net/httpd-upload.c create mode 100644 net/httpd_upload/error_400.html create mode 100644 net/httpd_upload/error_404.html create mode 100644 net/httpd_upload/index.html create mode 100644 net/httpd_upload/upload_ok.html
diff --git a/cmd/Kconfig b/cmd/Kconfig index abcd003f7f1..55b9d04f2fa 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -2014,6 +2014,20 @@ config CMD_NETCAT netcat is a simple command to load/store kernel, or other files, using netcat like manner over TCP.
+config CMD_HTTPD_UPLOAD + bool "an example HTTP server for file uploading" + depends on HTTPD_COMMON + help + HTTP/1.1 compatible server for file uploading. + +config CMD_HTTPD_UPLOAD_MAX_SIZE + int "Maximum uploading size" + depends on CMD_HTTPD_UPLOAD + default 209715200 + help + This sets maximum size of uploaded file. Real transfer will be + slightly more than this limit. + config CMD_MII bool "mii" imply CMD_MDIO diff --git a/cmd/net.c b/cmd/net.c index 364139ec5b9..e5fddc8c7c5 100644 --- a/cmd/net.c +++ b/cmd/net.c @@ -21,6 +21,9 @@ #include <net/udp.h> #include <net/sntp.h> #include <net/ncsi.h> +#if defined(CONFIG_CMD_HTTPD_UPLOAD) +#include <net/httpd-upload.h> +#endif
static int netboot_common(enum proto_t, struct cmd_tbl *, int, char * const []);
@@ -228,6 +231,23 @@ U_BOOT_CMD( ); #endif
+#if defined(CONFIG_CMD_HTTPD_UPLOAD) +static int do_httpd_upload(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) +{ + if (argc < 2) + return 1; + + httpd_upload_prepare(); + return netboot_common(HTTPD, cmdtp, argc, argv); +} + +U_BOOT_CMD( + httpd_upload, 2, 1, do_httpd_upload, + "starts httpd server for file uploading", + "[loadAddress]\n" +); +#endif + static void netboot_update_env(void) { char tmp[46]; diff --git a/include/net/httpd-upload.h b/include/net/httpd-upload.h new file mode 100644 index 00000000000..a80df214668 --- /dev/null +++ b/include/net/httpd-upload.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: BSD-2-Clause + * + * httpd-upload include file + * Copyright (C) 2024 IOPSYS Software Solutions AB + * Author: Mikhail Kshevetskiy mikhail.kshevetskiy@iopsys.eu + */ +#ifndef __NET_HTTPD_UPLOAD_TCP_H__ +#define __NET_HTTPD_UPLOAD_TCP_H__ + +void httpd_upload_prepare(void); + +#endif /* __NET_HTTPD_UPLOAD_TCP_H__ */ diff --git a/net/Makefile b/net/Makefile index c1f491fad02..e7cbbc2248e 100644 --- a/net/Makefile +++ b/net/Makefile @@ -35,8 +35,27 @@ obj-$(CONFIG_PROT_TCP) += tcp.o obj-$(CONFIG_CMD_WGET) += wget.o obj-$(CONFIG_CMD_NETCAT) += netcat.o obj-$(CONFIG_HTTPD_COMMON) += httpd.o +obj-$(CONFIG_CMD_HTTPD_UPLOAD) += httpd-upload.o
# Disable this warning as it is triggered by: # sprintf(buf, index ? "foo%d" : "foo", index) # and this is intentional usage. CFLAGS_eth_common.o += -Wno-format-extra-args + +STATIC_SUBST := 's/^(unsigned char )/static \1/' +SIZE_REMOVE_SUBST := 's/^unsigned int .*//' + +httpd_upload_generated: + rm -rf $(src)/httpd_upload_generated + mkdir -p $(src)/httpd_upload_generated + cd $(src)/httpd_upload && find . -type f | while read fname; do \ + name="$${fname##*/}" && \ + name="$${name%%.*}" && \ + set -o pipefail && xxd -i "$${fname##./}" | \ + sed $(STATIC_SUBST) | \ + sed $(SIZE_REMOVE_SUBST) > ../httpd_upload_generated/$${name}.h; \ + done + +.PHONY: httpd_upload_generated + +net/httpd-upload.o: httpd_upload_generated diff --git a/net/httpd-upload.c b/net/httpd-upload.c new file mode 100644 index 00000000000..1e1e0b1cf75 --- /dev/null +++ b/net/httpd-upload.c @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * httpd-upload support driver + * Copyright (C) 2024 IOPSYS Software Solutions AB + * Author: Mikhail Kshevetskiy mikhail.kshevetskiy@iopsys.eu + */ + +#include <command.h> +#include <net.h> +#include <net/httpd.h> +#include <net/httpd-upload.h> + +#define MAX_FILE_SIZE CONFIG_CMD_HTTPD_UPLOAD_MAX_SIZE + +static enum net_loop_state httpd_on_stop(void); + +static enum httpd_req_check httpd_pre_post(void *req_id, const char *url, + struct httpd_post_data *post); +static struct http_reply *httpd_get(void *req_id, const char *url); +static struct http_reply *httpd_post(void *req_id, const char *url, + struct httpd_post_data *post); +static void httpd_on_req_end(void *req_id); + +#include "httpd_upload_generated/error_400.h" +#include "httpd_upload_generated/error_404.h" +#include "httpd_upload_generated/index.h" +#include "httpd_upload_generated/upload_ok.h" + +static struct http_reply error_400 = { + .code = 400, + .code_msg = "Bad Request", + .data_type = "text/html; charset=utf-8", + .data = error_400_html, + .len = sizeof(error_400_html) +}; + +static struct http_reply error_404 = { + .code = 404, + .code_msg = "Not Found", + .data_type = "text/html; charset=utf-8", + .data = error_404_html, + .len = sizeof(error_404_html) +}; + +static struct http_reply index = { + .code = 200, + .code_msg = "OK", + .data_type = "text/html; charset=utf-8", + .data = index_html, + .len = sizeof(index_html) +}; + +static struct http_reply upload_ok = { + .code = 200, + .code_msg = "OK", + .data_type = "text/html; charset=utf-8", + .data = upload_ok_html, + .len = sizeof(upload_ok_html) +}; + +static struct httpd_config cfg = { + .on_stop = httpd_on_stop, + .on_req_end = httpd_on_req_end, + .get = httpd_get, + .post = httpd_post, + .pre_post = httpd_pre_post, + .error_400 = &error_400, + .error_404 = &error_404, +}; + +static enum net_loop_state httpd_loop_state; +static void *post_req_id; + +void httpd_upload_prepare(void) +{ + httpd_setup(&cfg); + httpd_loop_state = NETLOOP_FAIL; +} + +static enum httpd_req_check httpd_pre_post(void *req_id, const char *url, + struct httpd_post_data *post) +{ + if (post->size > MAX_FILE_SIZE) { + printf("HTTPD: reset connection, upload file is too large\n"); + return HTTPD_CLNT_RST; + } + + post_req_id = req_id; + return HTTPD_REQ_OK; +} + +static struct http_reply *httpd_post(void *req_id, const char *url, + struct httpd_post_data *post) +{ + if (strcmp(url, "/file_upload")) + return &error_404; + + httpd_loop_state = NETLOOP_SUCCESS; + printf("HTTPD: upload OK\n"); + return &upload_ok; +} + +static struct http_reply *httpd_get(void *req_id, const char *url) +{ + if (!strcmp(url, "/")) + return &index; + if (!strcmp(url, "/index.html")) + return &index; + return &error_404; +} + +static void httpd_on_req_end(void *req_id) +{ + if (req_id == post_req_id) { + post_req_id = NULL; + httpd_stop(); + } +} + +static enum net_loop_state httpd_on_stop(void) +{ + return httpd_loop_state; +} diff --git a/net/httpd_upload/error_400.html b/net/httpd_upload/error_400.html new file mode 100644 index 00000000000..de654364edf --- /dev/null +++ b/net/httpd_upload/error_400.html @@ -0,0 +1,9 @@ +<html> + <head><title>400</title></head> + <body> + <h1>400 - Bad Request</h1> + <p> + Sorry, the request you are trying to do is wrong. + </p> + </body> +</html> diff --git a/net/httpd_upload/error_404.html b/net/httpd_upload/error_404.html new file mode 100644 index 00000000000..9dac22d497d --- /dev/null +++ b/net/httpd_upload/error_404.html @@ -0,0 +1,10 @@ +<html> + <head><title>404</title></head> + <body> + <h1>404 - Page not found</h1> + <p> + Sorry, the page you are requesting was not found on this + server. + </p> + </body> +</html> diff --git a/net/httpd_upload/index.html b/net/httpd_upload/index.html new file mode 100644 index 00000000000..e7d5ac943b6 --- /dev/null +++ b/net/httpd_upload/index.html @@ -0,0 +1,14 @@ +<html> + <head><title>Upload File</title></head> + <body> + <h1>Upload File.</h1> + <p>This will write the uploaded file to the memory arear pointed by ${loadaddr}. + <form method="post" enctype="multipart/form-data" action="file_upload"> + File to upload: + <input type="file" name="fileID" size="500" /><br /> + <p> <input type="submit" value="upload" /> + <p>It takes no more than a second after the file has been uploaded until status OK is shown. + </form> + </p> + </body> +</html> diff --git a/net/httpd_upload/upload_ok.html b/net/httpd_upload/upload_ok.html new file mode 100644 index 00000000000..8d2e561982f --- /dev/null +++ b/net/httpd_upload/upload_ok.html @@ -0,0 +1,7 @@ +<html> + <head><title>OK</title></head> + <body> + <h1>Upload OK</h1> + <p>The file was uploaded.</p> + </body> +</html>