1 | /** |
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2 | * @file |
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3 | * |
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4 | * File Transfer Protocol file system (FTP client). |
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5 | */ |
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6 | |
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7 | /* |
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8 | * Copyright (c) 2009, 2010, 2011 |
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9 | * embedded brains GmbH |
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10 | * Obere Lagerstr. 30 |
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11 | * D-82178 Puchheim |
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12 | * Germany |
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13 | * <rtems@embedded-brains.de> |
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14 | * |
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15 | * (c) Copyright 2002 |
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16 | * Thomas Doerfler |
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17 | * IMD Ingenieurbuero fuer Microcomputertechnik |
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18 | * Herbststr. 8 |
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19 | * 82178 Puchheim, Germany |
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20 | * <Thomas.Doerfler@imd-systems.de> |
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21 | * |
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22 | * Modified by Sebastian Huber <sebastian.huber@embedded-brains.de>. |
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23 | * |
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24 | * This code has been created after closly inspecting "tftpdriver.c" from Eric |
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25 | * Norum. |
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26 | * |
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27 | * The license and distribution terms for this file may be |
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28 | * found in the file LICENSE in this distribution or at |
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29 | * http://www.rtems.com/license/LICENSE. |
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30 | * |
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31 | * $Id$ |
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32 | */ |
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33 | |
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34 | #ifdef HAVE_CONFIG_H |
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35 | #include "config.h" |
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36 | #endif |
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37 | |
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38 | #include <ctype.h> |
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39 | #include <errno.h> |
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40 | #include <fcntl.h> |
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41 | #include <malloc.h> |
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42 | #include <netdb.h> |
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43 | #include <stdarg.h> |
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44 | #include <stdio.h> |
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45 | #include <stdlib.h> |
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46 | #include <string.h> |
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47 | #include <unistd.h> |
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48 | #include <arpa/inet.h> |
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49 | #include <netinet/in.h> |
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50 | #include <sys/select.h> |
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51 | #include <sys/socket.h> |
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52 | #include <sys/types.h> |
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53 | |
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54 | #include <rtems.h> |
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55 | #include <rtems/ftpfs.h> |
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56 | #include <rtems/imfs.h> |
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57 | #include <rtems/libio.h> |
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58 | #include <rtems/rtems_bsdnet.h> |
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59 | #include <rtems/seterr.h> |
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60 | |
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61 | #ifdef DEBUG |
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62 | #define DEBUG_PRINTF(...) printf(__VA_ARGS__) |
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63 | #else |
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64 | #define DEBUG_PRINTF(...) |
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65 | #endif |
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66 | |
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67 | /** |
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68 | * Connection entry for each open file stream. |
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69 | */ |
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70 | typedef struct { |
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71 | /** |
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72 | * Control connection socket. |
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73 | */ |
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74 | int ctrl_socket; |
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75 | |
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76 | /** |
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77 | * Data transfer socket. |
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78 | */ |
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79 | int data_socket; |
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80 | |
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81 | /** |
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82 | * End of file flag. |
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83 | */ |
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84 | bool eof; |
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85 | } rtems_ftpfs_entry; |
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86 | |
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87 | /** |
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88 | * Mount entry for each file system instance. |
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89 | */ |
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90 | typedef struct { |
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91 | /** |
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92 | * Verbose mode enabled or disabled. |
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93 | */ |
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94 | bool verbose; |
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95 | |
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96 | /** |
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97 | * Timeout value |
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98 | */ |
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99 | struct timeval timeout; |
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100 | } rtems_ftpfs_mount_entry; |
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101 | |
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102 | static const rtems_filesystem_operations_table rtems_ftpfs_ops; |
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103 | |
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104 | static const rtems_filesystem_file_handlers_r rtems_ftpfs_handlers; |
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105 | |
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106 | static const rtems_filesystem_file_handlers_r rtems_ftpfs_root_handlers; |
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107 | |
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108 | static bool rtems_ftpfs_use_timeout(const struct timeval *to) |
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109 | { |
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110 | return to->tv_sec != 0 || to->tv_usec != 0; |
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111 | } |
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112 | |
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113 | static int rtems_ftpfs_set_connection_timeout( |
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114 | int socket, |
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115 | const struct timeval *to |
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116 | ) |
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117 | { |
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118 | if (rtems_ftpfs_use_timeout(to)) { |
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119 | int rv = 0; |
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120 | |
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121 | rv = setsockopt(socket, SOL_SOCKET, SO_SNDTIMEO, to, sizeof(*to)); |
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122 | if (rv != 0) { |
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123 | return EIO; |
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124 | } |
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125 | |
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126 | rv = setsockopt(socket, SOL_SOCKET, SO_RCVTIMEO, to, sizeof(*to)); |
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127 | if (rv != 0) { |
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128 | return EIO; |
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129 | } |
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130 | } |
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131 | |
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132 | return 0; |
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133 | } |
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134 | |
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135 | static rtems_status_code rtems_ftpfs_do_ioctl( |
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136 | const char *mount_point, |
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137 | ioctl_command_t req, |
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138 | ... |
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139 | ) |
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140 | { |
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141 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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142 | int rv = 0; |
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143 | int fd = 0; |
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144 | va_list ap; |
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145 | |
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146 | if (mount_point == NULL) { |
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147 | mount_point = RTEMS_FTPFS_MOUNT_POINT_DEFAULT; |
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148 | } |
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149 | |
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150 | fd = open(mount_point, O_RDWR); |
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151 | if (fd < 0) { |
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152 | return RTEMS_INVALID_NAME; |
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153 | } |
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154 | |
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155 | va_start(ap, req); |
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156 | rv = ioctl(fd, req, va_arg(ap, void *)); |
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157 | va_end(ap); |
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158 | if (rv != 0) { |
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159 | sc = RTEMS_INVALID_NUMBER; |
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160 | } |
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161 | |
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162 | rv = close(fd); |
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163 | if (rv != 0 && sc == RTEMS_SUCCESSFUL) { |
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164 | sc = RTEMS_IO_ERROR; |
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165 | } |
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166 | |
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167 | return sc; |
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168 | } |
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169 | |
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170 | rtems_status_code rtems_ftpfs_get_verbose(const char *mount_point, bool *verbose) |
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171 | { |
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172 | return rtems_ftpfs_do_ioctl( |
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173 | mount_point, |
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174 | RTEMS_FTPFS_IOCTL_GET_VERBOSE, |
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175 | verbose |
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176 | ); |
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177 | } |
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178 | |
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179 | rtems_status_code rtems_ftpfs_set_verbose(const char *mount_point, bool verbose) |
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180 | { |
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181 | return rtems_ftpfs_do_ioctl( |
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182 | mount_point, |
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183 | RTEMS_FTPFS_IOCTL_SET_VERBOSE, |
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184 | &verbose |
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185 | ); |
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186 | } |
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187 | |
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188 | rtems_status_code rtems_ftpfs_get_timeout( |
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189 | const char *mount_point, |
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190 | struct timeval *timeout |
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191 | ) |
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192 | { |
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193 | return rtems_ftpfs_do_ioctl( |
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194 | mount_point, |
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195 | RTEMS_FTPFS_IOCTL_GET_TIMEOUT, |
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196 | timeout |
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197 | ); |
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198 | } |
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199 | |
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200 | rtems_status_code rtems_ftpfs_set_timeout( |
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201 | const char *mount_point, |
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202 | const struct timeval *timeout |
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203 | ) |
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204 | { |
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205 | return rtems_ftpfs_do_ioctl( |
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206 | mount_point, |
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207 | RTEMS_FTPFS_IOCTL_SET_TIMEOUT, |
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208 | timeout |
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209 | ); |
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210 | } |
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211 | |
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212 | typedef void (*rtems_ftpfs_reply_parser)( |
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213 | const char * /* reply fragment */, |
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214 | size_t /* reply fragment length */, |
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215 | void * /* parser argument */ |
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216 | ); |
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217 | |
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218 | typedef enum { |
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219 | RTEMS_FTPFS_REPLY_START, |
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220 | RTEMS_FTPFS_REPLY_SINGLE_LINE, |
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221 | RTEMS_FTPFS_REPLY_SINGLE_LINE_DONE, |
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222 | RTEMS_FTPFS_REPLY_MULTI_LINE, |
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223 | RTEMS_FTPFS_REPLY_NEW_LINE, |
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224 | RTEMS_FTPFS_REPLY_NEW_LINE_START |
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225 | } rtems_ftpfs_reply_state; |
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226 | |
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227 | typedef enum { |
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228 | RTEMS_FTPFS_REPLY_ERROR = 0, |
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229 | RTEMS_FTPFS_REPLY_1 = '1', |
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230 | RTEMS_FTPFS_REPLY_2 = '2', |
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231 | RTEMS_FTPFS_REPLY_3 = '3', |
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232 | RTEMS_FTPFS_REPLY_4 = '4', |
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233 | RTEMS_FTPFS_REPLY_5 = '5' |
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234 | } rtems_ftpfs_reply; |
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235 | |
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236 | #define RTEMS_FTPFS_REPLY_SIZE 3 |
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237 | |
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238 | static rtems_ftpfs_reply rtems_ftpfs_get_reply( |
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239 | int socket, |
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240 | rtems_ftpfs_reply_parser parser, |
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241 | void *parser_arg, |
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242 | bool verbose |
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243 | ) |
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244 | { |
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245 | rtems_ftpfs_reply_state state = RTEMS_FTPFS_REPLY_START; |
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246 | unsigned char reply_first [RTEMS_FTPFS_REPLY_SIZE] = { 'a', 'a', 'a' }; |
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247 | unsigned char reply_last [RTEMS_FTPFS_REPLY_SIZE] = { 'b', 'b', 'b' }; |
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248 | size_t reply_first_index = 0; |
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249 | size_t reply_last_index = 0; |
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250 | char buf [128]; |
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251 | |
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252 | while (true) { |
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253 | /* Receive reply fragment from socket */ |
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254 | ssize_t i = 0; |
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255 | ssize_t rv = recv(socket, buf, sizeof(buf), 0); |
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256 | |
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257 | if (rv <= 0) { |
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258 | return RTEMS_FTPFS_REPLY_ERROR; |
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259 | } |
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260 | |
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261 | /* Be verbose if necessary */ |
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262 | if (verbose) { |
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263 | write(STDERR_FILENO, buf, (size_t) rv); |
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264 | } |
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265 | |
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266 | /* Invoke parser if necessary */ |
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267 | if (parser != NULL) { |
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268 | parser(buf, (size_t) rv, parser_arg); |
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269 | } |
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270 | |
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271 | /* Parse reply fragment */ |
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272 | for (i = 0; i < rv; ++i) { |
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273 | char c = buf [i]; |
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274 | |
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275 | switch (state) { |
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276 | case RTEMS_FTPFS_REPLY_START: |
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277 | if (reply_first_index < RTEMS_FTPFS_REPLY_SIZE) { |
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278 | reply_first [reply_first_index] = c; |
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279 | ++reply_first_index; |
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280 | } else if (c == '-') { |
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281 | state = RTEMS_FTPFS_REPLY_MULTI_LINE; |
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282 | } else { |
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283 | state = RTEMS_FTPFS_REPLY_SINGLE_LINE; |
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284 | } |
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285 | break; |
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286 | case RTEMS_FTPFS_REPLY_SINGLE_LINE: |
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287 | if (c == '\n') { |
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288 | state = RTEMS_FTPFS_REPLY_SINGLE_LINE_DONE; |
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289 | } |
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290 | break; |
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291 | case RTEMS_FTPFS_REPLY_MULTI_LINE: |
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292 | if (c == '\n') { |
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293 | state = RTEMS_FTPFS_REPLY_NEW_LINE_START; |
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294 | reply_last_index = 0; |
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295 | } |
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296 | break; |
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297 | case RTEMS_FTPFS_REPLY_NEW_LINE: |
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298 | case RTEMS_FTPFS_REPLY_NEW_LINE_START: |
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299 | if (reply_last_index < RTEMS_FTPFS_REPLY_SIZE) { |
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300 | state = RTEMS_FTPFS_REPLY_NEW_LINE; |
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301 | reply_last [reply_last_index] = c; |
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302 | ++reply_last_index; |
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303 | } else { |
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304 | state = RTEMS_FTPFS_REPLY_MULTI_LINE; |
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305 | } |
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306 | break; |
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307 | default: |
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308 | return RTEMS_FTPFS_REPLY_ERROR; |
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309 | } |
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310 | } |
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311 | |
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312 | /* Check reply */ |
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313 | if (state == RTEMS_FTPFS_REPLY_SINGLE_LINE_DONE) { |
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314 | if ( |
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315 | isdigit(reply_first [0]) |
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316 | && isdigit(reply_first [1]) |
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317 | && isdigit(reply_first [2]) |
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318 | ) { |
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319 | break; |
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320 | } else { |
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321 | return RTEMS_FTPFS_REPLY_ERROR; |
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322 | } |
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323 | } else if (state == RTEMS_FTPFS_REPLY_NEW_LINE_START) { |
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324 | bool ok = true; |
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325 | |
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326 | for (i = 0; i < RTEMS_FTPFS_REPLY_SIZE; ++i) { |
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327 | ok = ok |
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328 | && reply_first [i] == reply_last [i] |
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329 | && isdigit(reply_first [i]); |
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330 | } |
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331 | |
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332 | if (ok) { |
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333 | break; |
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334 | } |
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335 | } |
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336 | } |
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337 | |
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338 | return reply_first [0]; |
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339 | } |
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340 | |
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341 | static rtems_ftpfs_reply rtems_ftpfs_send_command_with_parser( |
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342 | int socket, |
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343 | const char *cmd, |
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344 | const char *arg, |
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345 | rtems_ftpfs_reply_parser parser, |
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346 | void *parser_arg, |
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347 | bool verbose |
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348 | ) |
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349 | { |
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350 | rtems_ftpfs_reply reply = RTEMS_FTPFS_REPLY_ERROR; |
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351 | size_t cmd_len = strlen(cmd); |
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352 | size_t arg_len = arg != NULL ? strlen(arg) : 0; |
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353 | size_t len = cmd_len + arg_len + 2; |
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354 | char *buf = malloc(len); |
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355 | |
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356 | if (buf != NULL) { |
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357 | ssize_t n = 0; |
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358 | char *buf_arg = buf + cmd_len; |
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359 | char *buf_eol = buf_arg + arg_len; |
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360 | |
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361 | memcpy(buf, cmd, cmd_len); |
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362 | memcpy(buf_arg, arg, arg_len); |
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363 | buf_eol [0] = '\r'; |
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364 | buf_eol [1] = '\n'; |
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365 | |
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366 | /* Send */ |
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367 | n = send(socket, buf, len, 0); |
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368 | if (n == (ssize_t) len) { |
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369 | if (verbose) { |
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370 | write(STDERR_FILENO, buf, len); |
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371 | } |
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372 | |
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373 | /* Reply */ |
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374 | reply = rtems_ftpfs_get_reply(socket, parser, parser_arg, verbose); |
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375 | } |
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376 | |
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377 | free(buf); |
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378 | } |
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379 | |
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380 | return reply; |
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381 | } |
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382 | |
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383 | static rtems_ftpfs_reply rtems_ftpfs_send_command( |
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384 | int socket, |
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385 | const char *cmd, |
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386 | const char *arg, |
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387 | bool verbose |
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388 | ) |
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389 | { |
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390 | return rtems_ftpfs_send_command_with_parser( |
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391 | socket, |
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392 | cmd, |
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393 | arg, |
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394 | NULL, |
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395 | NULL, |
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396 | verbose |
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397 | ); |
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398 | } |
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399 | |
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400 | typedef enum { |
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401 | STATE_USER_NAME, |
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402 | STATE_START_PASSWORD, |
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403 | STATE_START_HOST_NAME, |
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404 | STATE_START_HOST_NAME_OR_PATH, |
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405 | STATE_START_PATH, |
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406 | STATE_PASSWORD, |
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407 | STATE_HOST_NAME, |
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408 | STATE_DONE, |
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409 | STATE_INVALID |
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410 | } split_state; |
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411 | |
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412 | static bool rtems_ftpfs_split_names ( |
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413 | char *s, |
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414 | const char **user, |
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415 | const char **password, |
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416 | const char **hostname, |
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417 | const char **path |
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418 | ) |
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419 | { |
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420 | split_state state = STATE_USER_NAME; |
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421 | size_t len = strlen(s); |
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422 | size_t i = 0; |
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423 | |
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424 | *user = s; |
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425 | *password = NULL; |
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426 | *hostname = NULL; |
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427 | *path = NULL; |
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428 | |
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429 | for (i = 0; i < len; ++i) { |
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430 | char c = s [i]; |
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431 | |
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432 | switch (state) { |
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433 | case STATE_USER_NAME: |
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434 | if (c == ':') { |
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435 | state = STATE_START_PASSWORD; |
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436 | s [i] = '\0'; |
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437 | } else if (c == '@') { |
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438 | state = STATE_START_HOST_NAME; |
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439 | s [i] = '\0'; |
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440 | } else if (c == '/') { |
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441 | state = STATE_START_HOST_NAME_OR_PATH; |
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442 | s [i] = '\0'; |
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443 | } |
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444 | break; |
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445 | case STATE_START_PASSWORD: |
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446 | state = STATE_PASSWORD; |
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447 | *password = &s [i]; |
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448 | --i; |
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449 | break; |
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450 | case STATE_START_HOST_NAME: |
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451 | state = STATE_HOST_NAME; |
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452 | *hostname = &s [i]; |
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453 | --i; |
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454 | break; |
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455 | case STATE_START_HOST_NAME_OR_PATH: |
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456 | if (c == '@') { |
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457 | state = STATE_START_HOST_NAME; |
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458 | } else { |
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459 | state = STATE_DONE; |
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460 | *path = &s [i]; |
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461 | goto done; |
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462 | } |
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463 | break; |
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464 | case STATE_START_PATH: |
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465 | state = STATE_DONE; |
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466 | *path = &s [i]; |
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467 | goto done; |
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468 | case STATE_PASSWORD: |
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469 | if (c == '@') { |
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470 | state = STATE_START_HOST_NAME; |
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471 | s [i] = '\0'; |
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472 | } else if (c == '/') { |
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473 | state = STATE_START_HOST_NAME_OR_PATH; |
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474 | s [i] = '\0'; |
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475 | } |
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476 | break; |
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477 | case STATE_HOST_NAME: |
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478 | if (c == '/') { |
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479 | state = STATE_START_PATH; |
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480 | s [i] = '\0'; |
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481 | } |
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482 | break; |
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483 | default: |
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484 | state = STATE_INVALID; |
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485 | goto done; |
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486 | } |
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487 | } |
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488 | |
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489 | done: |
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490 | |
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491 | /* This is a special case with no username and password */ |
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492 | if (*hostname == NULL) { |
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493 | *hostname = &s [0]; |
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494 | *user = "anonymous"; |
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495 | *password = *user; |
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496 | } |
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497 | |
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498 | /* If we have no password use the user name */ |
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499 | if (*password == NULL) { |
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500 | *password = *user; |
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501 | } |
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502 | |
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503 | return state == STATE_DONE; |
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504 | } |
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505 | |
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506 | static socklen_t rtems_ftpfs_create_address( |
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507 | struct sockaddr_in *sa, |
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508 | unsigned long address, |
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509 | unsigned short port |
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510 | ) |
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511 | { |
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512 | memset(sa, sizeof(*sa), 0); |
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513 | |
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514 | sa->sin_family = AF_INET; |
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515 | sa->sin_addr.s_addr = address; |
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516 | sa->sin_port = port; |
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517 | sa->sin_len = sizeof(*sa); |
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518 | |
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519 | return sizeof(*sa); |
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520 | } |
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521 | |
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522 | static int rtems_ftpfs_terminate(rtems_libio_t *iop, bool error) |
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523 | { |
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524 | int eno = 0; |
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525 | int rv = 0; |
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526 | rtems_ftpfs_entry *e = iop->data1; |
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527 | rtems_ftpfs_mount_entry *me = iop->pathinfo.mt_entry->fs_info; |
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528 | bool verbose = me->verbose; |
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529 | rtems_ftpfs_reply reply = RTEMS_FTPFS_REPLY_ERROR; |
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530 | |
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531 | if (e != NULL) { |
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532 | /* Close data connection if necessary */ |
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533 | if (e->data_socket >= 0) { |
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534 | rv = close(e->data_socket); |
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535 | if (rv != 0) { |
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536 | eno = EIO; |
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537 | } |
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538 | |
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539 | /* For write connections we have to obtain the transfer reply */ |
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540 | if ( |
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541 | e->ctrl_socket >= 0 |
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542 | && (iop->flags & LIBIO_FLAGS_WRITE) != 0 |
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543 | && !error |
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544 | ) { |
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545 | reply = rtems_ftpfs_get_reply(e->ctrl_socket, NULL, NULL, verbose); |
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546 | if (reply != RTEMS_FTPFS_REPLY_2) { |
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547 | eno = EIO; |
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548 | } |
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549 | } |
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550 | } |
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551 | |
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552 | /* Close control connection if necessary */ |
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553 | if (e->ctrl_socket >= 0) { |
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554 | reply = rtems_ftpfs_send_command( |
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555 | e->ctrl_socket, |
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556 | "QUIT", |
---|
557 | NULL, |
---|
558 | verbose |
---|
559 | ); |
---|
560 | if (reply != RTEMS_FTPFS_REPLY_2) { |
---|
561 | eno = EIO; |
---|
562 | } |
---|
563 | |
---|
564 | rv = close(e->ctrl_socket); |
---|
565 | if (rv != 0) { |
---|
566 | eno = EIO; |
---|
567 | } |
---|
568 | } |
---|
569 | |
---|
570 | /* Free connection entry */ |
---|
571 | free(e); |
---|
572 | } |
---|
573 | |
---|
574 | /* Invalidate IO entry */ |
---|
575 | iop->data1 = NULL; |
---|
576 | |
---|
577 | return eno; |
---|
578 | } |
---|
579 | |
---|
580 | static int rtems_ftpfs_open_ctrl_connection( |
---|
581 | rtems_ftpfs_entry *e, |
---|
582 | const char *user, |
---|
583 | const char *password, |
---|
584 | const char *hostname, |
---|
585 | uint32_t *client_address, |
---|
586 | bool verbose, |
---|
587 | const struct timeval *timeout |
---|
588 | ) |
---|
589 | { |
---|
590 | int rv = 0; |
---|
591 | int eno = 0; |
---|
592 | rtems_ftpfs_reply reply = RTEMS_FTPFS_REPLY_ERROR; |
---|
593 | struct in_addr address = { .s_addr = 0 }; |
---|
594 | struct sockaddr_in sa; |
---|
595 | socklen_t size = 0; |
---|
596 | |
---|
597 | /* Create the socket for the control connection */ |
---|
598 | e->ctrl_socket = socket(AF_INET, SOCK_STREAM, 0); |
---|
599 | if (e->ctrl_socket < 0) { |
---|
600 | return ENOMEM; |
---|
601 | } |
---|
602 | |
---|
603 | /* Set up the server address from the hostname */ |
---|
604 | if (inet_aton(hostname, &address) == 0) { |
---|
605 | /* Try to get the address by name */ |
---|
606 | struct hostent *he = gethostbyname(hostname); |
---|
607 | |
---|
608 | if (he != NULL) { |
---|
609 | memcpy(&address, he->h_addr, sizeof(address)); |
---|
610 | } else { |
---|
611 | return ENOENT; |
---|
612 | } |
---|
613 | } |
---|
614 | rtems_ftpfs_create_address(&sa, address.s_addr, htons(RTEMS_FTPFS_CTRL_PORT)); |
---|
615 | DEBUG_PRINTF("server = %s\n", inet_ntoa(sa.sin_addr)); |
---|
616 | |
---|
617 | /* Open control connection */ |
---|
618 | rv = connect( |
---|
619 | e->ctrl_socket, |
---|
620 | (struct sockaddr *) &sa, |
---|
621 | sizeof(sa) |
---|
622 | ); |
---|
623 | if (rv != 0) { |
---|
624 | return ENOENT; |
---|
625 | } |
---|
626 | |
---|
627 | /* Set control connection timeout */ |
---|
628 | eno = rtems_ftpfs_set_connection_timeout(e->ctrl_socket, timeout); |
---|
629 | if (eno != 0) { |
---|
630 | return eno; |
---|
631 | } |
---|
632 | |
---|
633 | /* Get client address */ |
---|
634 | size = rtems_ftpfs_create_address(&sa, INADDR_ANY, 0); |
---|
635 | rv = getsockname( |
---|
636 | e->ctrl_socket, |
---|
637 | (struct sockaddr *) &sa, |
---|
638 | &size |
---|
639 | ); |
---|
640 | if (rv != 0) { |
---|
641 | return ENOMEM; |
---|
642 | } |
---|
643 | *client_address = ntohl(sa.sin_addr.s_addr); |
---|
644 | DEBUG_PRINTF("client = %s\n", inet_ntoa(sa.sin_addr)); |
---|
645 | |
---|
646 | /* Now we should get a welcome message from the server */ |
---|
647 | reply = rtems_ftpfs_get_reply(e->ctrl_socket, NULL, NULL, verbose); |
---|
648 | if (reply != RTEMS_FTPFS_REPLY_2) { |
---|
649 | return ENOENT; |
---|
650 | } |
---|
651 | |
---|
652 | /* Send USER command */ |
---|
653 | reply = rtems_ftpfs_send_command(e->ctrl_socket, "USER ", user, verbose); |
---|
654 | if (reply == RTEMS_FTPFS_REPLY_3) { |
---|
655 | /* Send PASS command */ |
---|
656 | reply = rtems_ftpfs_send_command( |
---|
657 | e->ctrl_socket, |
---|
658 | "PASS ", |
---|
659 | password, |
---|
660 | verbose |
---|
661 | ); |
---|
662 | if (reply != RTEMS_FTPFS_REPLY_2) { |
---|
663 | return EACCES; |
---|
664 | } |
---|
665 | |
---|
666 | /* TODO: Some server may require an account */ |
---|
667 | } else if (reply != RTEMS_FTPFS_REPLY_2) { |
---|
668 | return EACCES; |
---|
669 | } |
---|
670 | |
---|
671 | /* Send TYPE command to set binary mode for all data transfers */ |
---|
672 | reply = rtems_ftpfs_send_command(e->ctrl_socket, "TYPE I", NULL, verbose); |
---|
673 | if (reply != RTEMS_FTPFS_REPLY_2) { |
---|
674 | return EIO; |
---|
675 | } |
---|
676 | |
---|
677 | return 0; |
---|
678 | } |
---|
679 | |
---|
680 | static int rtems_ftpfs_open_data_connection_active( |
---|
681 | rtems_ftpfs_entry *e, |
---|
682 | uint32_t client_address, |
---|
683 | const char *file_command, |
---|
684 | const char *filename, |
---|
685 | bool verbose, |
---|
686 | const struct timeval *timeout |
---|
687 | ) |
---|
688 | { |
---|
689 | int rv = 0; |
---|
690 | int eno = 0; |
---|
691 | rtems_ftpfs_reply reply = RTEMS_FTPFS_REPLY_ERROR; |
---|
692 | struct sockaddr_in sa; |
---|
693 | socklen_t size = 0; |
---|
694 | int port_socket = -1; |
---|
695 | char port_command [] = "PORT 000,000,000,000,000,000"; |
---|
696 | uint16_t data_port = 0; |
---|
697 | |
---|
698 | /* Create port socket to establish a data data connection */ |
---|
699 | port_socket = socket(AF_INET, SOCK_STREAM, 0); |
---|
700 | if (port_socket < 0) { |
---|
701 | eno = ENOMEM; |
---|
702 | goto cleanup; |
---|
703 | } |
---|
704 | |
---|
705 | /* Bind port socket */ |
---|
706 | rtems_ftpfs_create_address(&sa, INADDR_ANY, 0); |
---|
707 | rv = bind( |
---|
708 | port_socket, |
---|
709 | (struct sockaddr *) &sa, |
---|
710 | sizeof(sa) |
---|
711 | ); |
---|
712 | if (rv != 0) { |
---|
713 | eno = EBUSY; |
---|
714 | goto cleanup; |
---|
715 | } |
---|
716 | |
---|
717 | /* Get port number for data socket */ |
---|
718 | size = rtems_ftpfs_create_address(&sa, INADDR_ANY, 0); |
---|
719 | rv = getsockname( |
---|
720 | port_socket, |
---|
721 | (struct sockaddr *) &sa, |
---|
722 | &size |
---|
723 | ); |
---|
724 | if (rv != 0) { |
---|
725 | eno = ENOMEM; |
---|
726 | goto cleanup; |
---|
727 | } |
---|
728 | data_port = ntohs(sa.sin_port); |
---|
729 | |
---|
730 | /* Send PORT command to set data connection port for server */ |
---|
731 | snprintf( |
---|
732 | port_command, |
---|
733 | sizeof(port_command), |
---|
734 | "PORT %lu,%lu,%lu,%lu,%lu,%lu", |
---|
735 | (client_address >> 24) & 0xffUL, |
---|
736 | (client_address >> 16) & 0xffUL, |
---|
737 | (client_address >> 8) & 0xffUL, |
---|
738 | (client_address >> 0) & 0xffUL, |
---|
739 | (data_port >> 8) & 0xffUL, |
---|
740 | (data_port >> 0) & 0xffUL |
---|
741 | ); |
---|
742 | reply = rtems_ftpfs_send_command( |
---|
743 | e->ctrl_socket, |
---|
744 | port_command, |
---|
745 | NULL, |
---|
746 | verbose |
---|
747 | ); |
---|
748 | if (reply != RTEMS_FTPFS_REPLY_2) { |
---|
749 | eno = ENOTSUP; |
---|
750 | goto cleanup; |
---|
751 | } |
---|
752 | |
---|
753 | /* Listen on port socket for incoming data connections */ |
---|
754 | rv = listen(port_socket, 1); |
---|
755 | if (rv != 0) { |
---|
756 | eno = EBUSY; |
---|
757 | goto cleanup; |
---|
758 | } |
---|
759 | |
---|
760 | /* Send RETR or STOR command with filename */ |
---|
761 | reply = rtems_ftpfs_send_command( |
---|
762 | e->ctrl_socket, |
---|
763 | file_command, |
---|
764 | filename, |
---|
765 | verbose |
---|
766 | ); |
---|
767 | if (reply != RTEMS_FTPFS_REPLY_1) { |
---|
768 | eno = EIO; |
---|
769 | goto cleanup; |
---|
770 | } |
---|
771 | |
---|
772 | /* Wait for connect on data connection if necessary */ |
---|
773 | if (rtems_ftpfs_use_timeout(timeout)) { |
---|
774 | struct timeval to = *timeout; |
---|
775 | fd_set fds; |
---|
776 | |
---|
777 | FD_ZERO(&fds); |
---|
778 | FD_SET(port_socket, &fds); |
---|
779 | |
---|
780 | rv = select(port_socket + 1, &fds, NULL, NULL, &to); |
---|
781 | if (rv <= 0) { |
---|
782 | eno = EIO; |
---|
783 | goto cleanup; |
---|
784 | } |
---|
785 | } |
---|
786 | |
---|
787 | /* Accept data connection */ |
---|
788 | size = sizeof(sa); |
---|
789 | e->data_socket = accept( |
---|
790 | port_socket, |
---|
791 | (struct sockaddr *) &sa, |
---|
792 | &size |
---|
793 | ); |
---|
794 | if (e->data_socket < 0) { |
---|
795 | eno = EIO; |
---|
796 | goto cleanup; |
---|
797 | } |
---|
798 | |
---|
799 | cleanup: |
---|
800 | |
---|
801 | /* Close port socket if necessary */ |
---|
802 | if (port_socket >= 0) { |
---|
803 | rv = close(port_socket); |
---|
804 | if (rv != 0) { |
---|
805 | eno = EIO; |
---|
806 | } |
---|
807 | } |
---|
808 | |
---|
809 | return eno; |
---|
810 | } |
---|
811 | |
---|
812 | typedef enum { |
---|
813 | RTEMS_FTPFS_PASV_START = 0, |
---|
814 | RTEMS_FTPFS_PASV_JUNK, |
---|
815 | RTEMS_FTPFS_PASV_DATA, |
---|
816 | RTEMS_FTPFS_PASV_DONE |
---|
817 | } rtems_ftpfs_pasv_state; |
---|
818 | |
---|
819 | typedef struct { |
---|
820 | rtems_ftpfs_pasv_state state; |
---|
821 | uint8_t data [6]; |
---|
822 | size_t index; |
---|
823 | } rtems_ftpfs_pasv_entry; |
---|
824 | |
---|
825 | static void rtems_ftpfs_pasv_parser( |
---|
826 | const char* buf, |
---|
827 | size_t len, |
---|
828 | void *arg |
---|
829 | ) |
---|
830 | { |
---|
831 | rtems_ftpfs_pasv_entry *e = arg; |
---|
832 | size_t i = 0; |
---|
833 | |
---|
834 | for (i = 0; i < len; ++i) { |
---|
835 | int c = buf [i]; |
---|
836 | |
---|
837 | switch (e->state) { |
---|
838 | case RTEMS_FTPFS_PASV_START: |
---|
839 | if (!isdigit(c)) { |
---|
840 | e->state = RTEMS_FTPFS_PASV_JUNK; |
---|
841 | e->index = 0; |
---|
842 | } |
---|
843 | break; |
---|
844 | case RTEMS_FTPFS_PASV_JUNK: |
---|
845 | if (isdigit(c)) { |
---|
846 | e->state = RTEMS_FTPFS_PASV_DATA; |
---|
847 | e->data [e->index] = (uint8_t) (c - '0'); |
---|
848 | } |
---|
849 | break; |
---|
850 | case RTEMS_FTPFS_PASV_DATA: |
---|
851 | if (isdigit(c)) { |
---|
852 | e->data [e->index] = (uint8_t) (e->data [e->index] * 10 + c - '0'); |
---|
853 | } else if (c == ',') { |
---|
854 | ++e->index; |
---|
855 | if (e->index < sizeof(e->data)) { |
---|
856 | e->data [e->index] = 0; |
---|
857 | } else { |
---|
858 | e->state = RTEMS_FTPFS_PASV_DONE; |
---|
859 | } |
---|
860 | } else { |
---|
861 | e->state = RTEMS_FTPFS_PASV_DONE; |
---|
862 | } |
---|
863 | break; |
---|
864 | default: |
---|
865 | return; |
---|
866 | } |
---|
867 | } |
---|
868 | } |
---|
869 | |
---|
870 | static int rtems_ftpfs_open_data_connection_passive( |
---|
871 | rtems_ftpfs_entry *e, |
---|
872 | uint32_t client_address, |
---|
873 | const char *file_command, |
---|
874 | const char *filename, |
---|
875 | bool verbose, |
---|
876 | const struct timeval *timeout |
---|
877 | ) |
---|
878 | { |
---|
879 | int rv = 0; |
---|
880 | rtems_ftpfs_reply reply = RTEMS_FTPFS_REPLY_ERROR; |
---|
881 | struct sockaddr_in sa; |
---|
882 | uint32_t data_address = 0; |
---|
883 | uint16_t data_port = 0; |
---|
884 | |
---|
885 | rtems_ftpfs_pasv_entry pe = { |
---|
886 | .state = RTEMS_FTPFS_PASV_START |
---|
887 | }; |
---|
888 | |
---|
889 | /* Send PASV command */ |
---|
890 | reply = rtems_ftpfs_send_command_with_parser( |
---|
891 | e->ctrl_socket, |
---|
892 | "PASV", |
---|
893 | NULL, |
---|
894 | rtems_ftpfs_pasv_parser, |
---|
895 | &pe, |
---|
896 | verbose |
---|
897 | ); |
---|
898 | if (reply != RTEMS_FTPFS_REPLY_2) { |
---|
899 | return ENOTSUP; |
---|
900 | } |
---|
901 | data_address = ((uint32_t)(pe.data [0]) << 24) + ((uint32_t)(pe.data [1]) << 16) |
---|
902 | + ((uint32_t)(pe.data [2]) << 8) + ((uint32_t)(pe.data [3])); |
---|
903 | data_port = (uint16_t) ((pe.data [4] << 8) + pe.data [5]); |
---|
904 | rtems_ftpfs_create_address(&sa, htonl(data_address), htons(data_port)); |
---|
905 | DEBUG_PRINTF( |
---|
906 | "server data = %s:%u\n", |
---|
907 | inet_ntoa(sa.sin_addr), |
---|
908 | (unsigned) ntohs(sa.sin_port) |
---|
909 | ); |
---|
910 | |
---|
911 | /* Create data socket */ |
---|
912 | e->data_socket = socket(AF_INET, SOCK_STREAM, 0); |
---|
913 | if (e->data_socket < 0) { |
---|
914 | return ENOMEM; |
---|
915 | } |
---|
916 | |
---|
917 | /* Open data connection */ |
---|
918 | rv = connect( |
---|
919 | e->data_socket, |
---|
920 | (struct sockaddr *) &sa, |
---|
921 | sizeof(sa) |
---|
922 | ); |
---|
923 | if (rv != 0) { |
---|
924 | return EIO; |
---|
925 | } |
---|
926 | |
---|
927 | /* Send RETR or STOR command with filename */ |
---|
928 | reply = rtems_ftpfs_send_command( |
---|
929 | e->ctrl_socket, |
---|
930 | file_command, |
---|
931 | filename, |
---|
932 | verbose |
---|
933 | ); |
---|
934 | if (reply != RTEMS_FTPFS_REPLY_1) { |
---|
935 | return EIO; |
---|
936 | } |
---|
937 | |
---|
938 | return 0; |
---|
939 | } |
---|
940 | |
---|
941 | static int rtems_ftpfs_open( |
---|
942 | rtems_libio_t *iop, |
---|
943 | const char *path, |
---|
944 | uint32_t flags, |
---|
945 | uint32_t mode |
---|
946 | ) |
---|
947 | { |
---|
948 | int eno = 0; |
---|
949 | bool ok = false; |
---|
950 | rtems_ftpfs_entry *e = NULL; |
---|
951 | rtems_ftpfs_mount_entry *me = iop->pathinfo.mt_entry->fs_info; |
---|
952 | bool verbose = me->verbose; |
---|
953 | const struct timeval *timeout = &me->timeout; |
---|
954 | const char *user = NULL; |
---|
955 | const char *password = NULL; |
---|
956 | const char *hostname = NULL; |
---|
957 | const char *filename = NULL; |
---|
958 | const char *file_command = (iop->flags & LIBIO_FLAGS_WRITE) != 0 |
---|
959 | ? "STOR " |
---|
960 | : "RETR "; |
---|
961 | uint32_t client_address = 0; |
---|
962 | char *location = iop->pathinfo.node_access; |
---|
963 | |
---|
964 | /* Invalidate data handle */ |
---|
965 | iop->data1 = NULL; |
---|
966 | |
---|
967 | /* Check location, it was allocated during path evaluation */ |
---|
968 | if (location == NULL) { |
---|
969 | rtems_set_errno_and_return_minus_one(ENOMEM); |
---|
970 | } |
---|
971 | |
---|
972 | /* Split location into parts */ |
---|
973 | ok = rtems_ftpfs_split_names( |
---|
974 | location, |
---|
975 | &user, |
---|
976 | &password, |
---|
977 | &hostname, |
---|
978 | &filename |
---|
979 | ); |
---|
980 | if (!ok) { |
---|
981 | if (strlen(location) == 0) { |
---|
982 | /* |
---|
983 | * This is an access to the root node that will be used for file system |
---|
984 | * option settings. |
---|
985 | */ |
---|
986 | iop->pathinfo.handlers = &rtems_ftpfs_root_handlers; |
---|
987 | |
---|
988 | return 0; |
---|
989 | } else { |
---|
990 | rtems_set_errno_and_return_minus_one(ENOENT); |
---|
991 | } |
---|
992 | } |
---|
993 | DEBUG_PRINTF( |
---|
994 | "user = '%s', password = '%s', filename = '%s'\n", |
---|
995 | user, |
---|
996 | password, |
---|
997 | filename |
---|
998 | ); |
---|
999 | |
---|
1000 | /* Check for either read-only or write-only flags */ |
---|
1001 | if ( |
---|
1002 | (iop->flags & LIBIO_FLAGS_WRITE) != 0 |
---|
1003 | && (iop->flags & LIBIO_FLAGS_READ) != 0 |
---|
1004 | ) { |
---|
1005 | rtems_set_errno_and_return_minus_one(ENOTSUP); |
---|
1006 | } |
---|
1007 | |
---|
1008 | /* Allocate connection entry */ |
---|
1009 | e = malloc(sizeof(*e)); |
---|
1010 | if (e == NULL) { |
---|
1011 | rtems_set_errno_and_return_minus_one(ENOMEM); |
---|
1012 | } |
---|
1013 | |
---|
1014 | /* Initialize connection entry */ |
---|
1015 | e->ctrl_socket = -1; |
---|
1016 | e->data_socket = -1; |
---|
1017 | e->eof = false; |
---|
1018 | |
---|
1019 | /* Save connection state */ |
---|
1020 | iop->data1 = e; |
---|
1021 | |
---|
1022 | /* Open control connection */ |
---|
1023 | eno = rtems_ftpfs_open_ctrl_connection( |
---|
1024 | e, |
---|
1025 | user, |
---|
1026 | password, |
---|
1027 | hostname, |
---|
1028 | &client_address, |
---|
1029 | verbose, |
---|
1030 | timeout |
---|
1031 | ); |
---|
1032 | if (eno != 0) { |
---|
1033 | goto cleanup; |
---|
1034 | } |
---|
1035 | |
---|
1036 | /* Open passive data connection */ |
---|
1037 | eno = rtems_ftpfs_open_data_connection_passive( |
---|
1038 | e, |
---|
1039 | client_address, |
---|
1040 | file_command, |
---|
1041 | filename, |
---|
1042 | verbose, |
---|
1043 | timeout |
---|
1044 | ); |
---|
1045 | if (eno == ENOTSUP) { |
---|
1046 | /* Open active data connection */ |
---|
1047 | eno = rtems_ftpfs_open_data_connection_active( |
---|
1048 | e, |
---|
1049 | client_address, |
---|
1050 | file_command, |
---|
1051 | filename, |
---|
1052 | verbose, |
---|
1053 | timeout |
---|
1054 | ); |
---|
1055 | } |
---|
1056 | if (eno != 0) { |
---|
1057 | goto cleanup; |
---|
1058 | } |
---|
1059 | |
---|
1060 | /* Set data connection timeout */ |
---|
1061 | eno = rtems_ftpfs_set_connection_timeout(e->data_socket, timeout); |
---|
1062 | |
---|
1063 | cleanup: |
---|
1064 | |
---|
1065 | if (eno == 0) { |
---|
1066 | return 0; |
---|
1067 | } else { |
---|
1068 | /* Free all resources if an error occured */ |
---|
1069 | rtems_ftpfs_terminate(iop, true); |
---|
1070 | |
---|
1071 | rtems_set_errno_and_return_minus_one(eno); |
---|
1072 | } |
---|
1073 | } |
---|
1074 | |
---|
1075 | static ssize_t rtems_ftpfs_read( |
---|
1076 | rtems_libio_t *iop, |
---|
1077 | void *buffer, |
---|
1078 | size_t count |
---|
1079 | ) |
---|
1080 | { |
---|
1081 | rtems_ftpfs_entry *e = iop->data1; |
---|
1082 | rtems_ftpfs_mount_entry *me = iop->pathinfo.mt_entry->fs_info; |
---|
1083 | bool verbose = me->verbose; |
---|
1084 | char *in = buffer; |
---|
1085 | size_t todo = count; |
---|
1086 | |
---|
1087 | if (e->eof) { |
---|
1088 | return 0; |
---|
1089 | } |
---|
1090 | |
---|
1091 | while (todo > 0) { |
---|
1092 | ssize_t rv = recv(e->data_socket, in, todo, 0); |
---|
1093 | |
---|
1094 | if (rv <= 0) { |
---|
1095 | if (rv == 0) { |
---|
1096 | rtems_ftpfs_reply reply = |
---|
1097 | rtems_ftpfs_get_reply(e->ctrl_socket, NULL, NULL, verbose); |
---|
1098 | |
---|
1099 | if (reply == RTEMS_FTPFS_REPLY_2) { |
---|
1100 | e->eof = true; |
---|
1101 | break; |
---|
1102 | } |
---|
1103 | } |
---|
1104 | |
---|
1105 | rtems_set_errno_and_return_minus_one(EIO); |
---|
1106 | } |
---|
1107 | |
---|
1108 | in += rv; |
---|
1109 | todo -= (size_t) rv; |
---|
1110 | } |
---|
1111 | |
---|
1112 | return (ssize_t) (count - todo); |
---|
1113 | } |
---|
1114 | |
---|
1115 | static ssize_t rtems_ftpfs_write( |
---|
1116 | rtems_libio_t *iop, |
---|
1117 | const void *buffer, |
---|
1118 | size_t count |
---|
1119 | ) |
---|
1120 | { |
---|
1121 | rtems_ftpfs_entry *e = iop->data1; |
---|
1122 | const char *out = buffer; |
---|
1123 | size_t todo = count; |
---|
1124 | |
---|
1125 | while (todo > 0) { |
---|
1126 | ssize_t rv = send(e->data_socket, out, todo, 0); |
---|
1127 | |
---|
1128 | if (rv <= 0) { |
---|
1129 | if (rv == 0) { |
---|
1130 | break; |
---|
1131 | } else { |
---|
1132 | rtems_set_errno_and_return_minus_one(EIO); |
---|
1133 | } |
---|
1134 | } |
---|
1135 | |
---|
1136 | out += rv; |
---|
1137 | todo -= (size_t) rv; |
---|
1138 | } |
---|
1139 | |
---|
1140 | return (ssize_t) (count - todo); |
---|
1141 | } |
---|
1142 | |
---|
1143 | static int rtems_ftpfs_close(rtems_libio_t *iop) |
---|
1144 | { |
---|
1145 | int eno = rtems_ftpfs_terminate(iop, false); |
---|
1146 | |
---|
1147 | if (eno == 0) { |
---|
1148 | return 0; |
---|
1149 | } else { |
---|
1150 | rtems_set_errno_and_return_minus_one(eno); |
---|
1151 | } |
---|
1152 | } |
---|
1153 | |
---|
1154 | /* Dummy version to let fopen(*,"w") work properly */ |
---|
1155 | static int rtems_ftpfs_ftruncate(rtems_libio_t *iop, rtems_off64_t count) |
---|
1156 | { |
---|
1157 | return 0; |
---|
1158 | } |
---|
1159 | |
---|
1160 | static int rtems_ftpfs_eval_path( |
---|
1161 | const char *pathname, |
---|
1162 | size_t pathnamelen, |
---|
1163 | int flags, |
---|
1164 | rtems_filesystem_location_info_t *pathloc |
---|
1165 | ) |
---|
1166 | { |
---|
1167 | /* |
---|
1168 | * The caller of this routine has striped off the mount prefix from the path. |
---|
1169 | * We need to store this path here or otherwise we would have to do this job |
---|
1170 | * again. The path is used in rtems_ftpfs_open() via iop->pathinfo.node_access. |
---|
1171 | */ |
---|
1172 | char *pathname_dup = malloc(pathnamelen + 1); |
---|
1173 | |
---|
1174 | if (pathname_dup != NULL) { |
---|
1175 | memcpy(pathname_dup, pathname, pathnamelen); |
---|
1176 | pathname_dup [pathnamelen] = '\0'; |
---|
1177 | } |
---|
1178 | |
---|
1179 | pathloc->node_access = pathname_dup; |
---|
1180 | |
---|
1181 | return 0; |
---|
1182 | } |
---|
1183 | |
---|
1184 | static int rtems_ftpfs_free_node(rtems_filesystem_location_info_t *pathloc) |
---|
1185 | { |
---|
1186 | free(pathloc->node_access); |
---|
1187 | |
---|
1188 | return 0; |
---|
1189 | } |
---|
1190 | |
---|
1191 | static rtems_filesystem_node_types_t rtems_ftpfs_node_type( |
---|
1192 | rtems_filesystem_location_info_t *pathloc |
---|
1193 | ) |
---|
1194 | { |
---|
1195 | return RTEMS_FILESYSTEM_MEMORY_FILE; |
---|
1196 | } |
---|
1197 | |
---|
1198 | int rtems_ftpfs_initialize( |
---|
1199 | rtems_filesystem_mount_table_entry_t *e, |
---|
1200 | const void *d |
---|
1201 | ) |
---|
1202 | { |
---|
1203 | rtems_ftpfs_mount_entry *me = malloc(sizeof(rtems_ftpfs_mount_entry)); |
---|
1204 | |
---|
1205 | /* Mount entry for FTP file system instance */ |
---|
1206 | e->fs_info = me; |
---|
1207 | if (e->fs_info == NULL) { |
---|
1208 | rtems_set_errno_and_return_minus_one(ENOMEM); |
---|
1209 | } |
---|
1210 | me->verbose = false; |
---|
1211 | me->timeout.tv_sec = 0; |
---|
1212 | me->timeout.tv_usec = 0; |
---|
1213 | |
---|
1214 | /* Set handler and oparations table */ |
---|
1215 | e->mt_fs_root.handlers = &rtems_ftpfs_handlers; |
---|
1216 | e->mt_fs_root.ops = &rtems_ftpfs_ops; |
---|
1217 | |
---|
1218 | /* We maintain no real file system nodes, so there is no real root */ |
---|
1219 | e->mt_fs_root.node_access = NULL; |
---|
1220 | |
---|
1221 | /* Just use the limits from IMFS */ |
---|
1222 | e->pathconf_limits_and_options = IMFS_LIMITS_AND_OPTIONS; |
---|
1223 | |
---|
1224 | return 0; |
---|
1225 | } |
---|
1226 | |
---|
1227 | static int rtems_ftpfs_unmount_me( |
---|
1228 | rtems_filesystem_mount_table_entry_t *e |
---|
1229 | ) |
---|
1230 | { |
---|
1231 | free(e->fs_info); |
---|
1232 | |
---|
1233 | return 0; |
---|
1234 | } |
---|
1235 | |
---|
1236 | static int rtems_ftpfs_ioctl( |
---|
1237 | rtems_libio_t *iop, |
---|
1238 | uint32_t command, |
---|
1239 | void *arg |
---|
1240 | ) |
---|
1241 | { |
---|
1242 | rtems_ftpfs_mount_entry *me = iop->pathinfo.mt_entry->fs_info; |
---|
1243 | bool *verbose = arg; |
---|
1244 | struct timeval *timeout = arg; |
---|
1245 | |
---|
1246 | if (arg == NULL) { |
---|
1247 | rtems_set_errno_and_return_minus_one(EINVAL); |
---|
1248 | } |
---|
1249 | |
---|
1250 | switch (command) { |
---|
1251 | case RTEMS_FTPFS_IOCTL_GET_VERBOSE: |
---|
1252 | *verbose = me->verbose; |
---|
1253 | break; |
---|
1254 | case RTEMS_FTPFS_IOCTL_SET_VERBOSE: |
---|
1255 | me->verbose = *verbose; |
---|
1256 | break; |
---|
1257 | case RTEMS_FTPFS_IOCTL_GET_TIMEOUT: |
---|
1258 | *timeout = me->timeout; |
---|
1259 | break; |
---|
1260 | case RTEMS_FTPFS_IOCTL_SET_TIMEOUT: |
---|
1261 | me->timeout = *timeout; |
---|
1262 | break; |
---|
1263 | default: |
---|
1264 | rtems_set_errno_and_return_minus_one(EINVAL); |
---|
1265 | } |
---|
1266 | |
---|
1267 | return 0; |
---|
1268 | } |
---|
1269 | |
---|
1270 | /* |
---|
1271 | * The stat() support is intended only for the cp shell command. Each request |
---|
1272 | * will return that we have a regular file with read, write and execute |
---|
1273 | * permissions for every one. The node index uses a global counter to support |
---|
1274 | * a remote to remote copy. This is not a very sophisticated method. |
---|
1275 | */ |
---|
1276 | static int rtems_ftpfs_fstat( |
---|
1277 | rtems_filesystem_location_info_t *loc, |
---|
1278 | struct stat *st |
---|
1279 | ) |
---|
1280 | { |
---|
1281 | static unsigned ino = 0; |
---|
1282 | |
---|
1283 | memset(st, 0, sizeof(*st)); |
---|
1284 | |
---|
1285 | /* FIXME */ |
---|
1286 | st->st_ino = ++ino; |
---|
1287 | st->st_dev = rtems_filesystem_make_dev_t(0xcc494cd6U, 0x1d970b4dU); |
---|
1288 | |
---|
1289 | st->st_mode = S_IFREG | S_IRWXU | S_IRWXG | S_IRWXO; |
---|
1290 | |
---|
1291 | return 0; |
---|
1292 | } |
---|
1293 | |
---|
1294 | static const rtems_filesystem_operations_table rtems_ftpfs_ops = { |
---|
1295 | .evalpath_h = rtems_ftpfs_eval_path, |
---|
1296 | .evalformake_h = rtems_filesystem_default_evalformake, |
---|
1297 | .link_h = rtems_filesystem_default_link, |
---|
1298 | .unlink_h = rtems_filesystem_default_unlink, |
---|
1299 | .node_type_h = rtems_ftpfs_node_type, |
---|
1300 | .mknod_h = rtems_filesystem_default_mknod, |
---|
1301 | .chown_h = rtems_filesystem_default_chown, |
---|
1302 | .freenod_h = rtems_ftpfs_free_node, |
---|
1303 | .mount_h = rtems_filesystem_default_mount, |
---|
1304 | .fsmount_me_h = rtems_ftpfs_initialize, |
---|
1305 | .unmount_h = rtems_filesystem_default_unmount, |
---|
1306 | .fsunmount_me_h = rtems_ftpfs_unmount_me, |
---|
1307 | .utime_h = rtems_filesystem_default_utime, |
---|
1308 | .eval_link_h = rtems_filesystem_default_evaluate_link, |
---|
1309 | .symlink_h = rtems_filesystem_default_symlink, |
---|
1310 | .readlink_h = rtems_filesystem_default_readlink |
---|
1311 | }; |
---|
1312 | |
---|
1313 | static const rtems_filesystem_file_handlers_r rtems_ftpfs_handlers = { |
---|
1314 | .open_h = rtems_ftpfs_open, |
---|
1315 | .close_h = rtems_ftpfs_close, |
---|
1316 | .read_h = rtems_ftpfs_read, |
---|
1317 | .write_h = rtems_ftpfs_write, |
---|
1318 | .ioctl_h = rtems_filesystem_default_ioctl, |
---|
1319 | .lseek_h = rtems_filesystem_default_lseek, |
---|
1320 | .fstat_h = rtems_ftpfs_fstat, |
---|
1321 | .fchmod_h = rtems_filesystem_default_fchmod, |
---|
1322 | .ftruncate_h = rtems_ftpfs_ftruncate, |
---|
1323 | .fpathconf_h = rtems_filesystem_default_fpathconf, |
---|
1324 | .fsync_h = rtems_filesystem_default_fsync, |
---|
1325 | .fdatasync_h = rtems_filesystem_default_fdatasync, |
---|
1326 | .fcntl_h = rtems_filesystem_default_fcntl, |
---|
1327 | .rmnod_h = rtems_filesystem_default_rmnod |
---|
1328 | }; |
---|
1329 | |
---|
1330 | static const rtems_filesystem_file_handlers_r rtems_ftpfs_root_handlers = { |
---|
1331 | .open_h = rtems_filesystem_default_open, |
---|
1332 | .close_h = rtems_filesystem_default_close, |
---|
1333 | .read_h = rtems_filesystem_default_read, |
---|
1334 | .write_h = rtems_filesystem_default_write, |
---|
1335 | .ioctl_h = rtems_ftpfs_ioctl, |
---|
1336 | .lseek_h = rtems_filesystem_default_lseek, |
---|
1337 | .fstat_h = rtems_filesystem_default_fstat, |
---|
1338 | .fchmod_h = rtems_filesystem_default_fchmod, |
---|
1339 | .ftruncate_h = rtems_filesystem_default_ftruncate, |
---|
1340 | .fpathconf_h = rtems_filesystem_default_fpathconf, |
---|
1341 | .fsync_h = rtems_filesystem_default_fsync, |
---|
1342 | .fdatasync_h = rtems_filesystem_default_fdatasync, |
---|
1343 | .fcntl_h = rtems_filesystem_default_fcntl, |
---|
1344 | .rmnod_h = rtems_filesystem_default_rmnod |
---|
1345 | }; |
---|