diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..dc84959 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +build/ + diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..5345c31 --- /dev/null +++ b/Makefile @@ -0,0 +1,44 @@ +################################################ +# Toplevel makefile for rtl8710_tools code # +################################################ + +ifeq ($(V),) + Q := @ + # Do not print "Entering directory ...". + MAKEFLAGS += --no-print-directory +endif + +$(info Making "$(MAKECMDGOALS)") + +# Build directory +ifdef O + BUILD_DIR := $(shell readlink -f $(O)) +else + BUILD_DIR := $(CURDIR)/build +endif + +# Source directory +SRC_DIR := $(CURDIR)/src +BIN_DIR := $(BUILD_DIR) + +# Configure toolchain + +CC := gcc +LD ?= gcc + +SRC := $(wildcard $(SRC_DIR)/*.c) +BINS := $(subst $(SRC_DIR),$(BIN_DIR), $(SRC:%.c=%)) + +CFLAGS += -I$(SRC_DIR) -Wall + +.PHONY: clean + +all: $(BINS) + +$(BIN_DIR)/%: $(SRC_DIR)/%.c + $(Q)mkdir -p `dirname $@` + $(if $(Q), @echo " (CC) $(subst $(BIN_DIR)/,,$@)") + $(Q)$(CC) $(CPPFLAGS) -I`dirname $<` -o $@ $< + +clean: + $(Q)rm -rf $(BIN_DIR) diff --git a/src/ota_server.c b/src/ota_server.c new file mode 100644 index 0000000..527b413 --- /dev/null +++ b/src/ota_server.c @@ -0,0 +1,292 @@ +/** + * RTL8710 OTA server. + * Copyright (C) 2016 Tido Klaassen + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define BUF_SIZE 256 + +#define CHUNK_SIZE 1460 + +static struct option long_options[] = { + { "file", required_argument, 0, 'f' }, + { "interface", required_argument, 0, 'i' }, + { "port", required_argument, 0, 'p' }, + { "loop", no_argument, 0, 'l' }, + { "help", no_argument, 0, 'h' }, + { 0, 0, 0, 0 } }; + +void print_help(void) +{ + printf("Usage: upload_ota\n"); + printf(" -f --file the OTA image to be uploaded\n"); + printf(" -i --interface the network ip address\n"); + printf(" -p --port the network port\n"); + printf(" -l --loop do not exit after upload\n"); + printf(" -h --help\n"); +} + +int run_server(char *path, char *addr, char *port, bool loop) +{ + uint32_t ota_hdr[3]; + struct addrinfo hints, *list, *lp; + int fd, srv_sock, clnt_sock; + unsigned int i; + struct stat info; + uint8_t *filebuf, *hdrbuf; + uint32_t chksum; + ssize_t chunk, total; + int result; + + filebuf = NULL; + srv_sock = -1; + clnt_sock = -1; + + memset(&hints, 0, sizeof(struct addrinfo)); + hints.ai_family = AF_UNSPEC; + hints.ai_socktype = SOCK_STREAM; + hints.ai_flags = (AI_PASSIVE | AI_V4MAPPED | AI_ADDRCONFIG); + + result = getaddrinfo(addr, port, &hints, &list); + if(result != 0){ + fprintf(stderr, "[%s] getaddrinfo: %s\n", + __func__, gai_strerror(result)); + goto err_out; + } + + for(lp = list; lp != NULL; lp = lp->ai_next){ + srv_sock = socket(lp->ai_family, lp->ai_socktype, lp->ai_protocol); + if(srv_sock < 0){ + continue; + } + + result = bind(srv_sock, lp->ai_addr, lp->ai_addrlen); + if(result == 0){ + break; /* Success */ + } + + close(srv_sock); + srv_sock = -1; + } + + if(lp == NULL){ /* No address succeeded */ + fprintf(stderr, "[%s] bind() failed\n", __func__); + result = -1; + goto err_out; + } + + freeaddrinfo(list); + + result = listen(srv_sock, 3); + if(result != 0){ + goto err_out; + } + + printf("OTA server running\n"); + printf("file: %s\n", path); + printf("ip: %s\n", addr == NULL ? "INADDR_ANY" : addr); + printf("port: %s\n", port); + + do{ + clnt_sock = accept(srv_sock, NULL, NULL); + if(clnt_sock < 0){ + fprintf(stderr, "[%s] accept failed\n", __func__); + result = -1; + goto err_out; + } + + fd = open(path, O_RDONLY); + if(fd < 0){ + fprintf(stderr, "[%s] Failed to open file %s\n", __func__, path); + result = -1; + goto err_out; + } + + result = fstat(fd, &info); + if(result != 0){ + fprintf(stderr, "[%s] Failed to get info on file %s\n", + __func__, path); + + result = -1; + goto err_out; + } + + filebuf = malloc(info.st_size); + if(filebuf == NULL){ + fprintf(stderr, "[%s] Failed to allocate file buffer\n", __func__); + result = -1; + goto err_out; + } + + total = 0; + chunk = 42; + while(chunk > 0 && total < info.st_size){ + chunk = read(fd, filebuf + total, info.st_size - total); + if(chunk < 0){ + fprintf(stderr, "[%s] Failed to read file %s\n", + __func__, path); + + result = -1; + goto err_out; + } + + total += chunk; + } + + close(fd); + + chksum = 0; + for(i = 0;i < info.st_size;++i){ + chksum += filebuf[i]; + } + + ota_hdr[0] = htole32(chksum); + ota_hdr[1] = 0; + ota_hdr[2] = htole32(info.st_size); + + printf("Sending OTA header: Checksum: 0x%08x Size: %ld\n", + chksum, info.st_size); + + hdrbuf = (uint8_t *) &ota_hdr[0]; + total = 0; + chunk = 42; + while(total < sizeof(ota_hdr)){ + chunk = write(clnt_sock, hdrbuf + total, sizeof(ota_hdr) - total); + if(chunk < 0){ + fprintf(stderr, "[%s] Failed to send header\n", __func__); + result = -1; + goto err_out; + } + + total += chunk; + } + + printf("Sending OTA file...\n"); + total = 0; + chunk = 42; + while(total < info.st_size){ + chunk = write(clnt_sock, filebuf + total, info.st_size - total); + if(chunk < 0){ + fprintf(stderr, "[%s] Failed to send file\n", __func__); + result = -1; + goto err_out; + } + + total += chunk; + } + + result = close(clnt_sock); + clnt_sock = -1; + if(result != 0){ + fprintf(stderr, "[%s] error closing client socket\n", __func__); + goto err_out; + } + + free(filebuf); + filebuf = NULL; + }while(loop); + +err_out: + if(filebuf != NULL){ + free(filebuf); + } + + if(clnt_sock >= 0){ + close(clnt_sock); + } + + if(srv_sock >= 0){ + close(srv_sock); + } + + return result; +} + +int main(int argc, char *argv[]) +{ + char path[BUF_SIZE]; + char port[32]; + char addr_buf[32]; + char *addr; + bool loop; + int idx, opt; + int result; + + path[0] = '\0'; + addr_buf[0] = '\0'; + addr = NULL; + sprintf(port, "4711"); + loop = 0; + result = 0; + + idx = 0; + while(1){ + opt = getopt_long(argc, argv, "f:i:p:lh?", long_options, &idx); + + if(opt < 0){ + break; + } + + switch (opt) { + case 'f': + sprintf(path, "%s", optarg); + break; + case 'i': + strncpy(addr_buf, optarg, sizeof(addr_buf) - 1); + addr = &(addr_buf[0]); + break; + case 'p': + strncpy(port, optarg, sizeof(port) - 1); + break; + case 'l': + loop = true; + break; + case 'h': + case '?': + default: + print_help(); + goto err_out; + break; + } + } + + if(strlen(port) == 0 || strlen(path) == 0){ + print_help(); + result = -1; + goto err_out; + } + + result = run_server(path, addr, port, loop); + +err_out: + exit(result == 0 ? EXIT_SUCCESS : EXIT_FAILURE); +} +