From 838d48cef45863acf8208dffe9e624fa6f8ce6f5 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 27 Sep 2012 14:56:02 +0200 Subject: [PATCH] net: remove old tftp support The old tftp suppoer has been replaced with filesystem based tftp support, so remove the old code. Signed-off-by: Sascha Hauer --- net/Kconfig | 8 - net/Makefile | 1 - net/tftp.c | 412 --------------------------------------------------- net/tftp.h | 18 --- 4 files changed, 439 deletions(-) delete mode 100644 net/tftp.c delete mode 100644 net/tftp.h diff --git a/net/Kconfig b/net/Kconfig index 3169d2083..00fffb3e8 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -15,14 +15,6 @@ config NET_PING bool prompt "ping support" -config NET_TFTP - bool - prompt "tftp support" - -config NET_TFTP_PUSH - bool - prompt "tftp push support" - config NET_NETCONSOLE bool prompt "network console support" diff --git a/net/Makefile b/net/Makefile index 66dc564da..416e30ac3 100644 --- a/net/Makefile +++ b/net/Makefile @@ -2,7 +2,6 @@ obj-$(CONFIG_NET_DHCP) += dhcp.o obj-$(CONFIG_NET) += eth.o obj-$(CONFIG_NET) += net.o obj-$(CONFIG_NET_NFS) += nfs.o -obj-$(CONFIG_NET_TFTP) += tftp.o obj-$(CONFIG_NET_PING) += ping.o obj-$(CONFIG_NET_RESOLV)+= dns.o obj-$(CONFIG_NET_NETCONSOLE) += netconsole.o diff --git a/net/tftp.c b/net/tftp.c deleted file mode 100644 index 053b8f3cd..000000000 --- a/net/tftp.c +++ /dev/null @@ -1,412 +0,0 @@ -/* - * Copyright 1994, 1995, 2000 Neil Russell. - * (See License) - * Copyright 2000, 2001 DENX Software Engineering, Wolfgang Denk, wd@denx.de - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define TFTP_PORT 69 /* Well known TFTP port # */ -#define TIMEOUT 5 /* Seconds to timeout for a lost pkt */ - -/* - * TFTP operations. - */ -#define TFTP_RRQ 1 -#define TFTP_WRQ 2 -#define TFTP_DATA 3 -#define TFTP_ACK 4 -#define TFTP_ERROR 5 -#define TFTP_OACK 6 - - -static int tftp_server_port; /* The UDP port at their end */ -static unsigned int tftp_block; /* packet sequence number */ -static unsigned int tftp_last_block; /* last packet sequence number received */ -static int tftp_state; -static uint64_t tftp_timer_start; -static int tftp_err; -static unsigned tftp_retries; - -#define STATE_RRQ 1 -#define STATE_WRQ 2 -#define STATE_RDATA 3 -#define STATE_WDATA 4 -#define STATE_OACK 5 -#define STATE_LAST 6 -#define STATE_DONE 7 - -#define TFTP_BLOCK_SIZE 512 /* default TFTP block size */ - -static char *tftp_filename; -static struct net_connection *tftp_con; -static int tftp_fd; -static int tftp_size; - -#ifdef CONFIG_NET_TFTP_PUSH -static int tftp_push; - -static inline void do_tftp_push(int push) -{ - tftp_push = push; -} - -#else - -#define tftp_push 0 - -static inline void do_tftp_push(int push) -{ -} -#endif - -static int tftp_send(void) -{ - unsigned char *xp; - int len = 0; - uint16_t *s; - unsigned char *pkt = net_udp_get_payload(tftp_con); - int ret; - static int last_len; - - switch (tftp_state) { - case STATE_RRQ: - case STATE_WRQ: - xp = pkt; - s = (uint16_t *)pkt; - if (tftp_state == STATE_RRQ) - *s++ = htons(TFTP_RRQ); - else - *s++ = htons(TFTP_WRQ); - pkt = (unsigned char *)s; - pkt += sprintf((unsigned char *)pkt, "%s%coctet%ctimeout%c%d", - tftp_filename, 0, 0, 0, TIMEOUT) + 1; - len = pkt - xp; - break; - - case STATE_WDATA: - if (!tftp_push) - break; - - if (tftp_last_block == tftp_block) { - len = last_len; - break; - } - - tftp_last_block = tftp_block; - tftp_retries = 0; - s = (uint16_t *)pkt; - *s++ = htons(TFTP_DATA); - *s++ = htons(tftp_block); - len = read(tftp_fd, s, 512); - if (len < 0) { - perror("read"); - tftp_err = -errno; - tftp_state = STATE_DONE; - return tftp_err; - } - tftp_size += len; - if (len < 512) - tftp_state = STATE_LAST; - len += 4; - last_len = len; - break; - - case STATE_RDATA: - case STATE_OACK: - xp = pkt; - s = (uint16_t *)pkt; - *s++ = htons(TFTP_ACK); - *s++ = htons(tftp_block); - pkt = (unsigned char *)s; - len = pkt - xp; - break; - } - - tftp_timer_start = get_time_ns(); - show_progress(tftp_size); - ret = net_udp_send(tftp_con, len); - - return ret; -} - -static void tftp_handler(void *ctx, char *packet, unsigned len) -{ - uint16_t proto; - uint16_t *s; - char *pkt = net_eth_to_udp_payload(packet); - struct udphdr *udp = net_eth_to_udphdr(packet); - int ret; - - len = net_eth_to_udplen(packet); - if (len < 2) - return; - - len -= 2; - - s = (uint16_t *)pkt; - proto = *s++; - pkt = (unsigned char *)s; - - switch (ntohs(proto)) { - case TFTP_RRQ: - case TFTP_WRQ: - default: - break; - case TFTP_ACK: - if (!tftp_push) - break; - - tftp_block = ntohs(*(uint16_t *)pkt); - if (tftp_block != tftp_last_block) { - debug("ack %d != %d\n", tftp_block, tftp_last_block); - break; - } - tftp_block++; - if (tftp_state == STATE_LAST) { - tftp_state = STATE_DONE; - break; - } - tftp_con->udp->uh_dport = udp->uh_sport; - tftp_state = STATE_WDATA; - tftp_send(); - break; - - case TFTP_OACK: - debug("Got OACK: %s %s\n", pkt, pkt + strlen(pkt) + 1); - tftp_server_port = ntohs(udp->uh_sport); - tftp_con->udp->uh_dport = udp->uh_sport; - - if (tftp_push) { - /* send first block */ - tftp_state = STATE_WDATA; - tftp_block = 1; - } else { - /* send ACK */ - tftp_state = STATE_OACK; - tftp_block = 0; - } - - tftp_send(); - - break; - case TFTP_DATA: - if (len < 2) - return; - len -= 2; - tftp_block = ntohs(*(uint16_t *)pkt); - - if (tftp_state == STATE_RRQ) - debug("Server did not acknowledge timeout option!\n"); - - if (tftp_state == STATE_RRQ || tftp_state == STATE_OACK) { - /* first block received */ - tftp_state = STATE_RDATA; - tftp_con->udp->uh_dport = udp->uh_sport; - tftp_server_port = ntohs(udp->uh_sport); - tftp_last_block = 0; - - if (tftp_block != 1) { /* Assertion */ - printf("error: First block is not block 1 (%d)\n", - tftp_block); - tftp_err = -EINVAL; - tftp_state = STATE_DONE; - break; - } - } - - if (tftp_block == tftp_last_block) - /* Same block again; ignore it. */ - break; - - tftp_last_block = tftp_block; - tftp_retries = 0; - - if (!(tftp_block % 10)) - tftp_size++; - - ret = write(tftp_fd, pkt + 2, len); - if (ret < 0) { - perror("write"); - tftp_err = -errno; - tftp_state = STATE_DONE; - return; - } - - /* - * Acknowledge the block just received, which will prompt - * the server for the next one. - */ - tftp_send(); - - if (len < TFTP_BLOCK_SIZE) - tftp_state = STATE_DONE; - - break; - - case TFTP_ERROR: - debug("\nTFTP error: '%s' (%d)\n", - pkt + 2, ntohs(*(uint16_t *)pkt)); - switch (ntohs(*(uint16_t *)pkt)) { - case 1: tftp_err = -ENOENT; break; - case 2: tftp_err = -EACCES; break; - default: tftp_err = -EINVAL; break; - } - tftp_state = STATE_DONE; - break; - } -} - -static int do_tftpb(int argc, char *argv[]) -{ - char *localfile, *remotefile, *file1, *file2; - int opt; - struct stat s; - unsigned long flags; - - do_tftp_push(0); - tftp_last_block = 0; - tftp_size = 0; - tftp_retries = 0; - - while((opt = getopt(argc, argv, "p")) > 0) { - switch(opt) { - case 'p': - do_tftp_push(1); - break; - } - } - - if (argc <= optind) - return COMMAND_ERROR_USAGE; - - file1 = argv[optind++]; - - if (argc == optind) - file2 = basename(file1); - else - file2 = argv[optind]; - - if (tftp_push) { - localfile = file1; - remotefile = file2; - stat(localfile, &s); - flags = O_RDONLY; - } else { - localfile = file2; - remotefile = file1; - flags = O_WRONLY | O_CREAT; - } - - tftp_fd = open(localfile, flags); - if (tftp_fd < 0) { - perror("open"); - return 1; - } - - tftp_con = net_udp_new(net_get_serverip(), TFTP_PORT, tftp_handler, NULL); - if (IS_ERR(tftp_con)) { - tftp_err = PTR_ERR(tftp_con); - goto out_close; - } - - tftp_filename = remotefile; - - printf("TFTP %s server %s ('%s' -> '%s')\n", - tftp_push ? "to" : "from", - ip_to_string(net_get_serverip()), - file1, file2); - - init_progression_bar(tftp_push ? s.st_size : 0); - - tftp_timer_start = get_time_ns(); - tftp_state = tftp_push ? STATE_WRQ : STATE_RRQ; - tftp_block = 1; - - tftp_err = tftp_send(); - if (tftp_err) - goto out_unreg; - - while (tftp_state != STATE_DONE) { - if (ctrlc()) { - tftp_err = -EINTR; - break; - } - net_poll(); - if (is_timeout(tftp_timer_start, SECOND)) { - show_progress(-1); - tftp_err = tftp_send(); - if (tftp_err) - goto out_unreg; - tftp_retries++; - } - - /* Wait for two TIMEOUT periods and add some */ - if (tftp_retries > 2 * TIMEOUT + 1) { - tftp_err = -ETIMEDOUT; - break; - } - } -out_unreg: - net_unregister(tftp_con); -out_close: - close(tftp_fd); - - if (tftp_err) { - printf("\ntftp failed: %s\n", strerror(-tftp_err)); - if (!tftp_push) - unlink(localfile); - } - - printf("\n"); - - return tftp_err == 0 ? 0 : 1; -} - -BAREBOX_CMD_HELP_START(tftp) -#ifdef CONFIG_NET_TFTP_PUSH -BAREBOX_CMD_HELP_USAGE("tftp [localfile], tftp -p [remotefile]\n") -BAREBOX_CMD_HELP_SHORT("Load a file from or upload to TFTP server.\n") -BAREBOX_CMD_HELP_END -#else -BAREBOX_CMD_HELP_USAGE("tftp [localfile]\n") -BAREBOX_CMD_HELP_SHORT("Load a file from a TFTP server.\n") -BAREBOX_CMD_HELP_END -#endif - -/** - * @page tftp_command - -The second file argument can be skipped in which case the first filename -is used (without the directory part). - -\ can be the local filename or a device file under /dev. -This also works for flash memory. Refer to \ref erase_command and \ref -unprotect_command for flash preparation. - -\note This command is available only if enabled in menuconfig. - */ - -BAREBOX_CMD_START(tftp) - .cmd = do_tftpb, - .usage = -#ifdef CONFIG_NET_TFTP_PUSH - "(up-)" -#endif - "Load file using tftp protocol", - BAREBOX_CMD_HELP(cmd_tftp_help) -BAREBOX_CMD_END - diff --git a/net/tftp.h b/net/tftp.h deleted file mode 100644 index 7fed2e6b2..000000000 --- a/net/tftp.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * LiMon - BOOTP/TFTP. - * - * Copyright 1994, 1995, 2000 Neil Russell. - * (See License) - */ - -#ifndef __TFTP_H__ -#define __TFTP_H__ - -/**********************************************************************/ -/* - * Global functions and variables. - */ - -/**********************************************************************/ - -#endif /* __TFTP_H__ */