diff options
| -rw-r--r-- | Config.h | 5 | ||||
| -rw-r--r-- | applets.h | 3 | ||||
| -rw-r--r-- | applets/usage.h | 24 | ||||
| -rw-r--r-- | include/applets.h | 3 | ||||
| -rw-r--r-- | include/usage.h | 24 | ||||
| -rw-r--r-- | networking/tftp.c | 424 | ||||
| -rw-r--r-- | tftp.c | 424 | ||||
| -rw-r--r-- | usage.h | 24 |
8 files changed, 931 insertions, 0 deletions
@@ -104,6 +104,7 @@ //#define BB_TEE //#define BB_TEST //#define BB_TELNET +#define BB_TFTP #define BB_TOUCH //#define BB_TR #define BB_TRUE_FALSE @@ -312,6 +313,10 @@ // Support for the -A -B and -C context flags in grep //#define BB_FEATURE_GREP_CONTEXT // +// Tell tftp what commands that should be supported. +#define BB_FEATURE_TFTP_PUT +#define BB_FEATURE_TFTP_GET +// // End of Features List // // @@ -356,6 +356,9 @@ #ifdef BB_TEST APPLET(test, test_main, _BB_DIR_USR_BIN) #endif +#ifdef BB_TFTP + APPLET(tftp, tftp_main, _BB_DIR_USR_BIN) +#endif #ifdef BB_TOUCH APPLET(touch, touch_main, _BB_DIR_BIN) #endif diff --git a/applets/usage.h b/applets/usage.h index efc943f68..db7963043 100644 --- a/applets/usage.h +++ b/applets/usage.h @@ -994,6 +994,30 @@ "Checks file types and compares values returning an exit\n" \ "code determined by the value of EXPRESSION." +#ifdef BB_FEATURE_TFTP_GET + #define USAGE_TFTP_GET(a) a +#else + #define USAGE_TFTP_GET(a) +#endif +#ifdef BB_FEATURE_TFTP_PUT + #define USAGE_TFTP_PUT(a) a +#else + #define USAGE_TFTP_PUT(a) +#endif + +#define tftp_trivial_usage \ + "command SOURCE DEST" +#define tftp_full_usage \ + "Transfers a file from/to a tftp server using \"octet\" mode.\n\n" \ + "Commands:\n" \ + USAGE_TFTP_GET( \ + "\tget\tGet file from server SOURCE and store to local DEST.\n" \ + ) \ + USAGE_TFTP_PUT( \ + "\tput\tPut local file SOURCE to server DEST.\n" \ + ) \ + "\nWhen nameing a server, use the syntax \"server:file\"." + #define touch_trivial_usage \ "[-c] file [file ...]" #define touch_full_usage \ diff --git a/include/applets.h b/include/applets.h index dbb234963..36817fef7 100644 --- a/include/applets.h +++ b/include/applets.h @@ -356,6 +356,9 @@ #ifdef BB_TEST APPLET(test, test_main, _BB_DIR_USR_BIN) #endif +#ifdef BB_TFTP + APPLET(tftp, tftp_main, _BB_DIR_USR_BIN) +#endif #ifdef BB_TOUCH APPLET(touch, touch_main, _BB_DIR_BIN) #endif diff --git a/include/usage.h b/include/usage.h index efc943f68..db7963043 100644 --- a/include/usage.h +++ b/include/usage.h @@ -994,6 +994,30 @@ "Checks file types and compares values returning an exit\n" \ "code determined by the value of EXPRESSION." +#ifdef BB_FEATURE_TFTP_GET + #define USAGE_TFTP_GET(a) a +#else + #define USAGE_TFTP_GET(a) +#endif +#ifdef BB_FEATURE_TFTP_PUT + #define USAGE_TFTP_PUT(a) a +#else + #define USAGE_TFTP_PUT(a) +#endif + +#define tftp_trivial_usage \ + "command SOURCE DEST" +#define tftp_full_usage \ + "Transfers a file from/to a tftp server using \"octet\" mode.\n\n" \ + "Commands:\n" \ + USAGE_TFTP_GET( \ + "\tget\tGet file from server SOURCE and store to local DEST.\n" \ + ) \ + USAGE_TFTP_PUT( \ + "\tput\tPut local file SOURCE to server DEST.\n" \ + ) \ + "\nWhen nameing a server, use the syntax \"server:file\"." + #define touch_trivial_usage \ "[-c] file [file ...]" #define touch_full_usage \ diff --git a/networking/tftp.c b/networking/tftp.c new file mode 100644 index 000000000..f56d6562e --- /dev/null +++ b/networking/tftp.c @@ -0,0 +1,424 @@ +/* ------------------------------------------------------------------------- */ +/* tftp.c */ +/* */ +/* A simple tftp client for busybox. */ +/* Tries to follow RFC1350. */ +/* Only "octet" mode and 512-byte data blocks are supported. */ +/* */ +/* Copyright (C) 2001 Magnus Damm <damm@opensource.se> */ +/* */ +/* Parts of the code based on: */ +/* */ +/* atftp: Copyright (C) 2000 Jean-Pierre Lefebvre <helix@step.polymtl.ca> */ +/* and Remi Lefebvre <remi@debian.org> */ +/* */ +/* utftp: Copyright (C) 1999 Uwe Ohse <uwe@ohse.de> */ +/* */ +/* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/* */ +/* ------------------------------------------------------------------------- */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/time.h> +#include <sys/stat.h> +#include <netdb.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <unistd.h> +#include <fcntl.h> + +#include "busybox.h" + +//#define BB_FEATURE_TFTP_DEBUG + +/* we don't need #ifdefs with these constants and optimization... */ + +#ifdef BB_FEATURE_TFTP_GET +#define BB_TFTP_GET (1 << 0) +#else +#define BB_TFTP_GET 0 +#endif + +#ifdef BB_FEATURE_TFTP_PUT +#define BB_TFTP_PUT (1 << 1) +#else +#define BB_TFTP_PUT 0 +#endif + +#ifdef BB_FEATURE_TFTP_DEBUG +#define BB_TFTP_DEBUG 1 +#else +#define BB_TFTP_DEBUG 0 +#endif + +#define BB_TFTP_NO_RETRIES 5 +#define BB_TFTP_TIMEOUT 5 /* seconds */ + +#define RRQ 1 /* read request */ +#define WRQ 2 /* write request */ +#define DATA 3 /* data packet */ +#define ACK 4 /* acknowledgement */ +#define ERROR 5 /* error code */ + +#define BUFSIZE (512+4) + +static const char *tftp_error_msg[] = { + "Undefined error", + "File not found", + "Access violation", + "Disk full or allocation error", + "Illegal TFTP operation", + "Unknown transfer ID", + "File already exists", + "No such user" +}; + +static inline int tftp(int cmd, struct hostent *host, + char *serverfile, int localfd, int port) +{ + struct sockaddr_in sa; + int socketfd; + struct timeval tv; + fd_set rfds; + struct sockaddr_in from; + socklen_t fromlen; + char *cp; + unsigned short tmp; + int len, opcode, finished; + int timeout, block_nr; + + RESERVE_BB_BUFFER(buf, BUFSIZE); + + opcode = finished = timeout = 0; + block_nr = 1; + + if ((socketfd = socket(PF_INET, SOCK_DGRAM, 0)) < 0) { + perror_msg("socket"); + return 1; + } + + len = sizeof(sa); + + memset(&sa, 0, len); + bind(socketfd, &sa, len); + + sa.sin_family = host->h_addrtype; + sa.sin_port = htons(port); + memcpy(&sa.sin_addr, (struct in_addr *) host->h_addr, + sizeof(sa.sin_addr)); + + /* build opcode */ + + if (cmd & BB_TFTP_GET) { + opcode = RRQ; + } + + if (cmd & BB_TFTP_PUT) { + opcode = WRQ; + } + + while (1) { + + + /* build packet of type "opcode" */ + + + cp = buf; + + *((unsigned short *) cp) = htons(opcode); + + cp += 2; + + /* add filename and mode */ + + if ((BB_TFTP_GET && (opcode == RRQ)) || + (BB_TFTP_PUT && (opcode == WRQ))) { + + while (cp != &buf[BUFSIZE - 1]) { + if ((*cp = *serverfile++) == '\0') + break; + cp++; + } + + if ((*cp != '\0') || (&buf[BUFSIZE - 1] - cp) < 7) { + error_msg("too long server-filename.\n"); + break; + } + + memcpy(cp + 1, "octet", 6); + cp += 7; + } + + /* add ack and data */ + + if ((BB_TFTP_GET && (opcode == ACK)) || + (BB_TFTP_PUT && (opcode == DATA))) { + + *((unsigned short *) cp) = htons(block_nr); + + cp += 2; + + block_nr++; + + if (BB_TFTP_PUT && (opcode == DATA)) { + len = read(localfd, cp, BUFSIZE - 4); + + if (len < 0) { + perror_msg("read"); + break; + } + + if (len != (BUFSIZE - 4)) { + finished++; + } + + cp += len; + } else if (finished) { + break; + } + } + + + /* send packet */ + + + do { + + len = cp - buf; + + if (BB_TFTP_DEBUG) { + printf("sending %u bytes\n", len); + + for (cp = buf; cp < &buf[len]; cp++) + printf("%02x ", *cp); + printf("\n"); + } + + if (sendto(socketfd, buf, len, 0, + (struct sockaddr *) &sa, sizeof(sa)) < 0) { + perror_msg("send()"); + len = -1; + break; + } + + + /* receive packet */ + + + memset(&from, 0, sizeof(from)); + fromlen = sizeof(from); + + tv.tv_sec = BB_TFTP_TIMEOUT; + tv.tv_usec = 0; + + FD_ZERO(&rfds); + FD_SET(socketfd, &rfds); + + switch (select(FD_SETSIZE, &rfds, NULL, NULL, &tv)) { + case 1: + len = recvfrom(socketfd, buf, + BUFSIZE, 0, + (struct sockaddr *) &from, &fromlen); + + if (len < 0) { + perror_msg("recvfrom"); + break; + } + + timeout = 0; + + if (sa.sin_port == htons(port)) { + sa.sin_port = from.sin_port; + break; + } + + if (sa.sin_port == from.sin_port) { + break; + } + + /* fall-through for bad packets! */ + /* discard the packet - treat as timeout */ + + case 0: + error_msg("timeout.\n"); + + if (!timeout) { + timeout = BB_TFTP_NO_RETRIES; + } else { + timeout--; + } + + if (!timeout) { + len = -1; + error_msg("last timeout!\n"); + } + break; + + default: + perror_msg("select"); + len = -1; + } + + } while (timeout && (len >= 0)); + + if (len < 0) { + break; + } + + /* process received packet */ + + + opcode = ntohs(*((unsigned short *) buf)); + tmp = ntohs(*((unsigned short *) &buf[2])); + + if (BB_TFTP_DEBUG) { + printf("received %d bytes: %04x %04x\n", len, opcode, tmp); + } + + if (BB_TFTP_GET && (opcode == DATA)) { + + if (tmp == block_nr) { + len = write(localfd, &buf[4], len - 4); + + if (len < 0) { + perror_msg("write"); + break; + } + + if (len != (BUFSIZE - 4)) { + finished++; + } + + opcode = ACK; + continue; + } + } + + if (BB_TFTP_PUT && (opcode == ACK)) { + + if (tmp == (block_nr - 1)) { + if (finished) { + break; + } + + opcode = DATA; + continue; + } + } + + if (opcode == ERROR) { + char *msg = NULL; + + if (buf[4] != '\0') { + msg = &buf[4]; + buf[BUFSIZE - 1] = '\0'; + } else if (tmp < (sizeof(tftp_error_msg) / sizeof(char *))) { + msg = (char *) tftp_error_msg[tmp]; + } + + if (msg) { + error_msg("server says: %s.\n", msg); + } + + break; + } + } + + close(socketfd); + + if (finished) { + return 0; + } + + return 1; +} + +int tftp_main(int argc, char **argv) +{ + char *cp, *s; + char *serverstr; + struct hostent *host; + char *serverfile; + char *localfile; + int cmd, flags, fd, bad; + + host = (void *) serverstr = serverfile = localfile = NULL; + flags = cmd = 0; + bad = 1; + + if (argc > 3) { + if (BB_TFTP_GET && (strcmp(argv[1], "get") == 0)) { + cmd = BB_TFTP_GET; + flags = O_WRONLY | O_CREAT; + serverstr = argv[2]; + localfile = argv[3]; + } + + if (BB_TFTP_PUT && (strcmp(argv[1], "put") == 0)) { + cmd = BB_TFTP_PUT; + flags = O_RDONLY; + localfile = argv[2]; + serverstr = argv[3]; + } + + } + + if (!(cmd & (BB_TFTP_GET | BB_TFTP_PUT))) { + show_usage(); + } + + for (cp = serverstr; *cp != '\0'; cp++) + if (*cp == ':') + break; + + if (*cp == ':') { + + serverfile = cp + 1; + + if ((s = strdup(serverstr))) { + s[cp - serverstr] = '\0'; + + if ((host = gethostbyname(s))) { + bad = 0; + } + } + + free(s); + } + if (bad) { + perror_msg_and_die("bad \"server:file\" combination"); + } + + if (BB_TFTP_DEBUG) { + printf("using server \"%s\", serverfile \"%s\"," + "localfile \"%s\".\n", + inet_ntoa(*((struct in_addr *) host->h_addr)), + serverfile, localfile); + } + + if ((fd = open(localfile, flags, 0644)) < 0) { + perror_msg_and_die("local file"); + } + + flags = tftp(cmd, host, serverfile, fd, 69); + + close(fd); + + return flags; +} @@ -0,0 +1,424 @@ +/* ------------------------------------------------------------------------- */ +/* tftp.c */ +/* */ +/* A simple tftp client for busybox. */ +/* Tries to follow RFC1350. */ +/* Only "octet" mode and 512-byte data blocks are supported. */ +/* */ +/* Copyright (C) 2001 Magnus Damm <damm@opensource.se> */ +/* */ +/* Parts of the code based on: */ +/* */ +/* atftp: Copyright (C) 2000 Jean-Pierre Lefebvre <helix@step.polymtl.ca> */ +/* and Remi Lefebvre <remi@debian.org> */ +/* */ +/* utftp: Copyright (C) 1999 Uwe Ohse <uwe@ohse.de> */ +/* */ +/* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/* */ +/* ------------------------------------------------------------------------- */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/time.h> +#include <sys/stat.h> +#include <netdb.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <unistd.h> +#include <fcntl.h> + +#include "busybox.h" + +//#define BB_FEATURE_TFTP_DEBUG + +/* we don't need #ifdefs with these constants and optimization... */ + +#ifdef BB_FEATURE_TFTP_GET +#define BB_TFTP_GET (1 << 0) +#else +#define BB_TFTP_GET 0 +#endif + +#ifdef BB_FEATURE_TFTP_PUT +#define BB_TFTP_PUT (1 << 1) +#else +#define BB_TFTP_PUT 0 +#endif + +#ifdef BB_FEATURE_TFTP_DEBUG +#define BB_TFTP_DEBUG 1 +#else +#define BB_TFTP_DEBUG 0 +#endif + +#define BB_TFTP_NO_RETRIES 5 +#define BB_TFTP_TIMEOUT 5 /* seconds */ + +#define RRQ 1 /* read request */ +#define WRQ 2 /* write request */ +#define DATA 3 /* data packet */ +#define ACK 4 /* acknowledgement */ +#define ERROR 5 /* error code */ + +#define BUFSIZE (512+4) + +static const char *tftp_error_msg[] = { + "Undefined error", + "File not found", + "Access violation", + "Disk full or allocation error", + "Illegal TFTP operation", + "Unknown transfer ID", + "File already exists", + "No such user" +}; + +static inline int tftp(int cmd, struct hostent *host, + char *serverfile, int localfd, int port) +{ + struct sockaddr_in sa; + int socketfd; + struct timeval tv; + fd_set rfds; + struct sockaddr_in from; + socklen_t fromlen; + char *cp; + unsigned short tmp; + int len, opcode, finished; + int timeout, block_nr; + + RESERVE_BB_BUFFER(buf, BUFSIZE); + + opcode = finished = timeout = 0; + block_nr = 1; + + if ((socketfd = socket(PF_INET, SOCK_DGRAM, 0)) < 0) { + perror_msg("socket"); + return 1; + } + + len = sizeof(sa); + + memset(&sa, 0, len); + bind(socketfd, &sa, len); + + sa.sin_family = host->h_addrtype; + sa.sin_port = htons(port); + memcpy(&sa.sin_addr, (struct in_addr *) host->h_addr, + sizeof(sa.sin_addr)); + + /* build opcode */ + + if (cmd & BB_TFTP_GET) { + opcode = RRQ; + } + + if (cmd & BB_TFTP_PUT) { + opcode = WRQ; + } + + while (1) { + + + /* build packet of type "opcode" */ + + + cp = buf; + + *((unsigned short *) cp) = htons(opcode); + + cp += 2; + + /* add filename and mode */ + + if ((BB_TFTP_GET && (opcode == RRQ)) || + (BB_TFTP_PUT && (opcode == WRQ))) { + + while (cp != &buf[BUFSIZE - 1]) { + if ((*cp = *serverfile++) == '\0') + break; + cp++; + } + + if ((*cp != '\0') || (&buf[BUFSIZE - 1] - cp) < 7) { + error_msg("too long server-filename.\n"); + break; + } + + memcpy(cp + 1, "octet", 6); + cp += 7; + } + + /* add ack and data */ + + if ((BB_TFTP_GET && (opcode == ACK)) || + (BB_TFTP_PUT && (opcode == DATA))) { + + *((unsigned short *) cp) = htons(block_nr); + + cp += 2; + + block_nr++; + + if (BB_TFTP_PUT && (opcode == DATA)) { + len = read(localfd, cp, BUFSIZE - 4); + + if (len < 0) { + perror_msg("read"); + break; + } + + if (len != (BUFSIZE - 4)) { + finished++; + } + + cp += len; + } else if (finished) { + break; + } + } + + + /* send packet */ + + + do { + + len = cp - buf; + + if (BB_TFTP_DEBUG) { + printf("sending %u bytes\n", len); + + for (cp = buf; cp < &buf[len]; cp++) + printf("%02x ", *cp); + printf("\n"); + } + + if (sendto(socketfd, buf, len, 0, + (struct sockaddr *) &sa, sizeof(sa)) < 0) { + perror_msg("send()"); + len = -1; + break; + } + + + /* receive packet */ + + + memset(&from, 0, sizeof(from)); + fromlen = sizeof(from); + + tv.tv_sec = BB_TFTP_TIMEOUT; + tv.tv_usec = 0; + + FD_ZERO(&rfds); + FD_SET(socketfd, &rfds); + + switch (select(FD_SETSIZE, &rfds, NULL, NULL, &tv)) { + case 1: + len = recvfrom(socketfd, buf, + BUFSIZE, 0, + (struct sockaddr *) &from, &fromlen); + + if (len < 0) { + perror_msg("recvfrom"); + break; + } + + timeout = 0; + + if (sa.sin_port == htons(port)) { + sa.sin_port = from.sin_port; + break; + } + + if (sa.sin_port == from.sin_port) { + break; + } + + /* fall-through for bad packets! */ + /* discard the packet - treat as timeout */ + + case 0: + error_msg("timeout.\n"); + + if (!timeout) { + timeout = BB_TFTP_NO_RETRIES; + } else { + timeout--; + } + + if (!timeout) { + len = -1; + error_msg("last timeout!\n"); + } + break; + + default: + perror_msg("select"); + len = -1; + } + + } while (timeout && (len >= 0)); + + if (len < 0) { + break; + } + + /* process received packet */ + + + opcode = ntohs(*((unsigned short *) buf)); + tmp = ntohs(*((unsigned short *) &buf[2])); + + if (BB_TFTP_DEBUG) { + printf("received %d bytes: %04x %04x\n", len, opcode, tmp); + } + + if (BB_TFTP_GET && (opcode == DATA)) { + + if (tmp == block_nr) { + len = write(localfd, &buf[4], len - 4); + + if (len < 0) { + perror_msg("write"); + break; + } + + if (len != (BUFSIZE - 4)) { + finished++; + } + + opcode = ACK; + continue; + } + } + + if (BB_TFTP_PUT && (opcode == ACK)) { + + if (tmp == (block_nr - 1)) { + if (finished) { + break; + } + + opcode = DATA; + continue; + } + } + + if (opcode == ERROR) { + char *msg = NULL; + + if (buf[4] != '\0') { + msg = &buf[4]; + buf[BUFSIZE - 1] = '\0'; + } else if (tmp < (sizeof(tftp_error_msg) / sizeof(char *))) { + msg = (char *) tftp_error_msg[tmp]; + } + + if (msg) { + error_msg("server says: %s.\n", msg); + } + + break; + } + } + + close(socketfd); + + if (finished) { + return 0; + } + + return 1; +} + +int tftp_main(int argc, char **argv) +{ + char *cp, *s; + char *serverstr; + struct hostent *host; + char *serverfile; + char *localfile; + int cmd, flags, fd, bad; + + host = (void *) serverstr = serverfile = localfile = NULL; + flags = cmd = 0; + bad = 1; + + if (argc > 3) { + if (BB_TFTP_GET && (strcmp(argv[1], "get") == 0)) { + cmd = BB_TFTP_GET; + flags = O_WRONLY | O_CREAT; + serverstr = argv[2]; + localfile = argv[3]; + } + + if (BB_TFTP_PUT && (strcmp(argv[1], "put") == 0)) { + cmd = BB_TFTP_PUT; + flags = O_RDONLY; + localfile = argv[2]; + serverstr = argv[3]; + } + + } + + if (!(cmd & (BB_TFTP_GET | BB_TFTP_PUT))) { + show_usage(); + } + + for (cp = serverstr; *cp != '\0'; cp++) + if (*cp == ':') + break; + + if (*cp == ':') { + + serverfile = cp + 1; + + if ((s = strdup(serverstr))) { + s[cp - serverstr] = '\0'; + + if ((host = gethostbyname(s))) { + bad = 0; + } + } + + free(s); + } + if (bad) { + perror_msg_and_die("bad \"server:file\" combination"); + } + + if (BB_TFTP_DEBUG) { + printf("using server \"%s\", serverfile \"%s\"," + "localfile \"%s\".\n", + inet_ntoa(*((struct in_addr *) host->h_addr)), + serverfile, localfile); + } + + if ((fd = open(localfile, flags, 0644)) < 0) { + perror_msg_and_die("local file"); + } + + flags = tftp(cmd, host, serverfile, fd, 69); + + close(fd); + + return flags; +} @@ -994,6 +994,30 @@ "Checks file types and compares values returning an exit\n" \ "code determined by the value of EXPRESSION." +#ifdef BB_FEATURE_TFTP_GET + #define USAGE_TFTP_GET(a) a +#else + #define USAGE_TFTP_GET(a) +#endif +#ifdef BB_FEATURE_TFTP_PUT + #define USAGE_TFTP_PUT(a) a +#else + #define USAGE_TFTP_PUT(a) +#endif + +#define tftp_trivial_usage \ + "command SOURCE DEST" +#define tftp_full_usage \ + "Transfers a file from/to a tftp server using \"octet\" mode.\n\n" \ + "Commands:\n" \ + USAGE_TFTP_GET( \ + "\tget\tGet file from server SOURCE and store to local DEST.\n" \ + ) \ + USAGE_TFTP_PUT( \ + "\tput\tPut local file SOURCE to server DEST.\n" \ + ) \ + "\nWhen nameing a server, use the syntax \"server:file\"." + #define touch_trivial_usage \ "[-c] file [file ...]" #define touch_full_usage \ |