FTP client library for mbed-os
FTPClient.cpp@0:c2da359279a6, 2018-02-07 (annotated)
- Committer:
- dkato
- Date:
- Wed Feb 07 07:01:38 2018 +0000
- Revision:
- 0:c2da359279a6
- Child:
- 1:e069c405c934
first commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dkato | 0:c2da359279a6 | 1 | /* FTP client library |
dkato | 0:c2da359279a6 | 2 | * Copyright (c) 2018 Renesas Electronics Corporation |
dkato | 0:c2da359279a6 | 3 | * |
dkato | 0:c2da359279a6 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
dkato | 0:c2da359279a6 | 5 | * you may not use this file except in compliance with the License. |
dkato | 0:c2da359279a6 | 6 | * You may obtain a copy of the License at |
dkato | 0:c2da359279a6 | 7 | * |
dkato | 0:c2da359279a6 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
dkato | 0:c2da359279a6 | 9 | * |
dkato | 0:c2da359279a6 | 10 | * Unless required by applicable law or agreed to in writing, software |
dkato | 0:c2da359279a6 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
dkato | 0:c2da359279a6 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
dkato | 0:c2da359279a6 | 13 | * See the License for the specific language governing permissions and |
dkato | 0:c2da359279a6 | 14 | * limitations under the License. |
dkato | 0:c2da359279a6 | 15 | */ |
dkato | 0:c2da359279a6 | 16 | |
dkato | 0:c2da359279a6 | 17 | #include "mbed.h" |
dkato | 0:c2da359279a6 | 18 | #include "FTPClient.h" |
dkato | 0:c2da359279a6 | 19 | |
dkato | 0:c2da359279a6 | 20 | #define FTP_BUF_SIZE (1460) |
dkato | 0:c2da359279a6 | 21 | |
dkato | 0:c2da359279a6 | 22 | FTPClient::FTPClient(NetworkInterface *net, const char* root) { |
dkato | 0:c2da359279a6 | 23 | _ctr_open = false; |
dkato | 0:c2da359279a6 | 24 | _login = false; |
dkato | 0:c2da359279a6 | 25 | strcpy(_root, root); |
dkato | 0:c2da359279a6 | 26 | p_network = net; |
dkato | 0:c2da359279a6 | 27 | p_ftp_buf = new char[FTP_BUF_SIZE]; |
dkato | 0:c2da359279a6 | 28 | } |
dkato | 0:c2da359279a6 | 29 | |
dkato | 0:c2da359279a6 | 30 | FTPClient::~FTPClient() { |
dkato | 0:c2da359279a6 | 31 | delete [] p_ftp_buf; |
dkato | 0:c2da359279a6 | 32 | } |
dkato | 0:c2da359279a6 | 33 | |
dkato | 0:c2da359279a6 | 34 | bool FTPClient::open(const char* ip_addr, int port, const char* user, const char* pass) { |
dkato | 0:c2da359279a6 | 35 | if (_ctr_open) { |
dkato | 0:c2da359279a6 | 36 | FTPClientControlSock.close(); |
dkato | 0:c2da359279a6 | 37 | } |
dkato | 0:c2da359279a6 | 38 | |
dkato | 0:c2da359279a6 | 39 | FTPClientControlSock.open(p_network); |
dkato | 0:c2da359279a6 | 40 | if (FTPClientControlSock.connect(ip_addr, port) < 0) { |
dkato | 0:c2da359279a6 | 41 | return false; |
dkato | 0:c2da359279a6 | 42 | } |
dkato | 0:c2da359279a6 | 43 | _ctr_open = true; |
dkato | 0:c2da359279a6 | 44 | |
dkato | 0:c2da359279a6 | 45 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 46 | return false; |
dkato | 0:c2da359279a6 | 47 | } |
dkato | 0:c2da359279a6 | 48 | if (strncmp(p_ftp_buf, "220", 3) != 0) { |
dkato | 0:c2da359279a6 | 49 | return false; |
dkato | 0:c2da359279a6 | 50 | } |
dkato | 0:c2da359279a6 | 51 | |
dkato | 0:c2da359279a6 | 52 | _login = false; |
dkato | 0:c2da359279a6 | 53 | sprintf(p_ftp_buf, "user %s\r\n", user); |
dkato | 0:c2da359279a6 | 54 | FTPClientControlSock.send(p_ftp_buf, strlen(p_ftp_buf)); |
dkato | 0:c2da359279a6 | 55 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 56 | return false; |
dkato | 0:c2da359279a6 | 57 | } |
dkato | 0:c2da359279a6 | 58 | if (strncmp(p_ftp_buf, "331", 3) != 0) { |
dkato | 0:c2da359279a6 | 59 | return false; |
dkato | 0:c2da359279a6 | 60 | } |
dkato | 0:c2da359279a6 | 61 | |
dkato | 0:c2da359279a6 | 62 | sprintf(p_ftp_buf, "pass %s\r\n", pass); |
dkato | 0:c2da359279a6 | 63 | FTPClientControlSock.send(p_ftp_buf, strlen(p_ftp_buf)); |
dkato | 0:c2da359279a6 | 64 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 65 | return false; |
dkato | 0:c2da359279a6 | 66 | } |
dkato | 0:c2da359279a6 | 67 | if (strncmp(p_ftp_buf, "230", 3) != 0) { |
dkato | 0:c2da359279a6 | 68 | return false; |
dkato | 0:c2da359279a6 | 69 | } |
dkato | 0:c2da359279a6 | 70 | _login = true; |
dkato | 0:c2da359279a6 | 71 | return true; |
dkato | 0:c2da359279a6 | 72 | } |
dkato | 0:c2da359279a6 | 73 | |
dkato | 0:c2da359279a6 | 74 | bool FTPClient::quit() { |
dkato | 0:c2da359279a6 | 75 | if (!_login) { |
dkato | 0:c2da359279a6 | 76 | return false; |
dkato | 0:c2da359279a6 | 77 | } |
dkato | 0:c2da359279a6 | 78 | |
dkato | 0:c2da359279a6 | 79 | sprintf(p_ftp_buf, "quit\r\n"); |
dkato | 0:c2da359279a6 | 80 | FTPClientControlSock.send(p_ftp_buf, strlen(p_ftp_buf)); |
dkato | 0:c2da359279a6 | 81 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 82 | return false; |
dkato | 0:c2da359279a6 | 83 | } |
dkato | 0:c2da359279a6 | 84 | if (strncmp(p_ftp_buf, "250", 3) != 0) { |
dkato | 0:c2da359279a6 | 85 | return false; |
dkato | 0:c2da359279a6 | 86 | } |
dkato | 0:c2da359279a6 | 87 | _login = false; |
dkato | 0:c2da359279a6 | 88 | |
dkato | 0:c2da359279a6 | 89 | FTPClientControlSock.close(); |
dkato | 0:c2da359279a6 | 90 | _ctr_open = false; |
dkato | 0:c2da359279a6 | 91 | return true; |
dkato | 0:c2da359279a6 | 92 | } |
dkato | 0:c2da359279a6 | 93 | |
dkato | 0:c2da359279a6 | 94 | bool FTPClient::get(const char* file_name) { |
dkato | 0:c2da359279a6 | 95 | FILE* fp; |
dkato | 0:c2da359279a6 | 96 | int size; |
dkato | 0:c2da359279a6 | 97 | |
dkato | 0:c2da359279a6 | 98 | if (!_login) { |
dkato | 0:c2da359279a6 | 99 | return false; |
dkato | 0:c2da359279a6 | 100 | } |
dkato | 0:c2da359279a6 | 101 | |
dkato | 0:c2da359279a6 | 102 | if (!open_data_sock()) { |
dkato | 0:c2da359279a6 | 103 | return false; |
dkato | 0:c2da359279a6 | 104 | } |
dkato | 0:c2da359279a6 | 105 | |
dkato | 0:c2da359279a6 | 106 | FTPClientDataSock.set_timeout(500); |
dkato | 0:c2da359279a6 | 107 | sprintf(p_ftp_buf, "retr %s\r\n", file_name); |
dkato | 0:c2da359279a6 | 108 | FTPClientControlSock.send(p_ftp_buf, strlen(p_ftp_buf)); |
dkato | 0:c2da359279a6 | 109 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 110 | return false; |
dkato | 0:c2da359279a6 | 111 | } |
dkato | 0:c2da359279a6 | 112 | if ((strncmp(p_ftp_buf, "150", 3) != 0) && (strncmp(p_ftp_buf, "125", 3) != 0)) { |
dkato | 0:c2da359279a6 | 113 | return false; |
dkato | 0:c2da359279a6 | 114 | } |
dkato | 0:c2da359279a6 | 115 | |
dkato | 0:c2da359279a6 | 116 | sprintf(p_ftp_buf, "%s/%s", _root, file_name); |
dkato | 0:c2da359279a6 | 117 | fp = fopen(p_ftp_buf, "w"); |
dkato | 0:c2da359279a6 | 118 | while (1) { |
dkato | 0:c2da359279a6 | 119 | size = FTPClientDataSock.recv(p_ftp_buf, FTP_BUF_SIZE); |
dkato | 0:c2da359279a6 | 120 | if (size > 0) { |
dkato | 0:c2da359279a6 | 121 | fwrite(p_ftp_buf, size, sizeof(char), fp); |
dkato | 0:c2da359279a6 | 122 | } else { |
dkato | 0:c2da359279a6 | 123 | break; |
dkato | 0:c2da359279a6 | 124 | } |
dkato | 0:c2da359279a6 | 125 | } |
dkato | 0:c2da359279a6 | 126 | fclose(fp); |
dkato | 0:c2da359279a6 | 127 | FTPClientDataSock.close(); |
dkato | 0:c2da359279a6 | 128 | |
dkato | 0:c2da359279a6 | 129 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 130 | return false; |
dkato | 0:c2da359279a6 | 131 | } |
dkato | 0:c2da359279a6 | 132 | if (strncmp(p_ftp_buf, "226", 3) != 0) { |
dkato | 0:c2da359279a6 | 133 | return false; |
dkato | 0:c2da359279a6 | 134 | } |
dkato | 0:c2da359279a6 | 135 | return true; |
dkato | 0:c2da359279a6 | 136 | } |
dkato | 0:c2da359279a6 | 137 | |
dkato | 0:c2da359279a6 | 138 | bool FTPClient::put(const char* file_name) { |
dkato | 0:c2da359279a6 | 139 | FILE* fp; |
dkato | 0:c2da359279a6 | 140 | int32_t remain_size; |
dkato | 0:c2da359279a6 | 141 | int32_t send_size; |
dkato | 0:c2da359279a6 | 142 | |
dkato | 0:c2da359279a6 | 143 | if (!_login) { |
dkato | 0:c2da359279a6 | 144 | return false; |
dkato | 0:c2da359279a6 | 145 | } |
dkato | 0:c2da359279a6 | 146 | |
dkato | 0:c2da359279a6 | 147 | if (!open_data_sock()) { |
dkato | 0:c2da359279a6 | 148 | return false; |
dkato | 0:c2da359279a6 | 149 | } |
dkato | 0:c2da359279a6 | 150 | |
dkato | 0:c2da359279a6 | 151 | FTPClientDataSock.set_timeout(osWaitForever); |
dkato | 0:c2da359279a6 | 152 | sprintf(p_ftp_buf, "stor %s\r\n", file_name); |
dkato | 0:c2da359279a6 | 153 | FTPClientControlSock.send(p_ftp_buf, strlen(p_ftp_buf)); |
dkato | 0:c2da359279a6 | 154 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 155 | return false; |
dkato | 0:c2da359279a6 | 156 | } |
dkato | 0:c2da359279a6 | 157 | if ((strncmp(p_ftp_buf, "150", 3) != 0) && (strncmp(p_ftp_buf, "125", 3) != 0)) { |
dkato | 0:c2da359279a6 | 158 | return false; |
dkato | 0:c2da359279a6 | 159 | } |
dkato | 0:c2da359279a6 | 160 | |
dkato | 0:c2da359279a6 | 161 | sprintf(p_ftp_buf, "%s/%s", _root, file_name); |
dkato | 0:c2da359279a6 | 162 | fp = fopen(p_ftp_buf, "r"); |
dkato | 0:c2da359279a6 | 163 | fseek(fp, 0, SEEK_END); |
dkato | 0:c2da359279a6 | 164 | remain_size = ftell(fp); |
dkato | 0:c2da359279a6 | 165 | fseek(fp, 0, SEEK_SET); |
dkato | 0:c2da359279a6 | 166 | |
dkato | 0:c2da359279a6 | 167 | while (remain_size > 0) { |
dkato | 0:c2da359279a6 | 168 | if (remain_size > FTP_BUF_SIZE) { |
dkato | 0:c2da359279a6 | 169 | send_size = FTP_BUF_SIZE; |
dkato | 0:c2da359279a6 | 170 | } else { |
dkato | 0:c2da359279a6 | 171 | send_size = remain_size; |
dkato | 0:c2da359279a6 | 172 | } |
dkato | 0:c2da359279a6 | 173 | fread(p_ftp_buf, 1, send_size, fp); |
dkato | 0:c2da359279a6 | 174 | FTPClientDataSock.send(p_ftp_buf, send_size); |
dkato | 0:c2da359279a6 | 175 | remain_size -= send_size; |
dkato | 0:c2da359279a6 | 176 | } |
dkato | 0:c2da359279a6 | 177 | fclose(fp); |
dkato | 0:c2da359279a6 | 178 | FTPClientDataSock.close(); |
dkato | 0:c2da359279a6 | 179 | |
dkato | 0:c2da359279a6 | 180 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 181 | return false; |
dkato | 0:c2da359279a6 | 182 | } |
dkato | 0:c2da359279a6 | 183 | if (strncmp(p_ftp_buf, "226", 3) != 0) { |
dkato | 0:c2da359279a6 | 184 | return false; |
dkato | 0:c2da359279a6 | 185 | } |
dkato | 0:c2da359279a6 | 186 | return true; |
dkato | 0:c2da359279a6 | 187 | } |
dkato | 0:c2da359279a6 | 188 | |
dkato | 0:c2da359279a6 | 189 | bool FTPClient::del(const char* file_name) { |
dkato | 0:c2da359279a6 | 190 | if (!_login) { |
dkato | 0:c2da359279a6 | 191 | return false; |
dkato | 0:c2da359279a6 | 192 | } |
dkato | 0:c2da359279a6 | 193 | |
dkato | 0:c2da359279a6 | 194 | sprintf(p_ftp_buf, "dele %s\r\n", file_name); |
dkato | 0:c2da359279a6 | 195 | FTPClientControlSock.send(p_ftp_buf, strlen(p_ftp_buf)); |
dkato | 0:c2da359279a6 | 196 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 197 | return false; |
dkato | 0:c2da359279a6 | 198 | } |
dkato | 0:c2da359279a6 | 199 | if (strncmp(p_ftp_buf, "250", 3) != 0) { |
dkato | 0:c2da359279a6 | 200 | return false; |
dkato | 0:c2da359279a6 | 201 | } |
dkato | 0:c2da359279a6 | 202 | |
dkato | 0:c2da359279a6 | 203 | return true; |
dkato | 0:c2da359279a6 | 204 | } |
dkato | 0:c2da359279a6 | 205 | |
dkato | 0:c2da359279a6 | 206 | bool FTPClient::mkdir(const char* dir_name) { |
dkato | 0:c2da359279a6 | 207 | if (!_login) { |
dkato | 0:c2da359279a6 | 208 | return false; |
dkato | 0:c2da359279a6 | 209 | } |
dkato | 0:c2da359279a6 | 210 | |
dkato | 0:c2da359279a6 | 211 | sprintf(p_ftp_buf, "xmkd %s\r\n", dir_name); |
dkato | 0:c2da359279a6 | 212 | FTPClientControlSock.send(p_ftp_buf, strlen(p_ftp_buf)); |
dkato | 0:c2da359279a6 | 213 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 214 | return false; |
dkato | 0:c2da359279a6 | 215 | } |
dkato | 0:c2da359279a6 | 216 | if (strncmp(p_ftp_buf, "257", 3) != 0) { |
dkato | 0:c2da359279a6 | 217 | return false; |
dkato | 0:c2da359279a6 | 218 | } |
dkato | 0:c2da359279a6 | 219 | |
dkato | 0:c2da359279a6 | 220 | return true; |
dkato | 0:c2da359279a6 | 221 | } |
dkato | 0:c2da359279a6 | 222 | |
dkato | 0:c2da359279a6 | 223 | bool FTPClient::cd(const char* dir_name) { |
dkato | 0:c2da359279a6 | 224 | if (!_login) { |
dkato | 0:c2da359279a6 | 225 | return false; |
dkato | 0:c2da359279a6 | 226 | } |
dkato | 0:c2da359279a6 | 227 | |
dkato | 0:c2da359279a6 | 228 | sprintf(p_ftp_buf, "cwd %s\r\n", dir_name); |
dkato | 0:c2da359279a6 | 229 | FTPClientControlSock.send(p_ftp_buf, strlen(p_ftp_buf)); |
dkato | 0:c2da359279a6 | 230 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 231 | return false; |
dkato | 0:c2da359279a6 | 232 | } |
dkato | 0:c2da359279a6 | 233 | if (strncmp(p_ftp_buf, "250", 3) != 0) { |
dkato | 0:c2da359279a6 | 234 | return false; |
dkato | 0:c2da359279a6 | 235 | } |
dkato | 0:c2da359279a6 | 236 | |
dkato | 0:c2da359279a6 | 237 | return true; |
dkato | 0:c2da359279a6 | 238 | } |
dkato | 0:c2da359279a6 | 239 | |
dkato | 0:c2da359279a6 | 240 | bool FTPClient::dir(char* list_buf, int buf_size) { |
dkato | 0:c2da359279a6 | 241 | int size; |
dkato | 0:c2da359279a6 | 242 | int idx = 0; |
dkato | 0:c2da359279a6 | 243 | int remain_size = buf_size - 1; |
dkato | 0:c2da359279a6 | 244 | |
dkato | 0:c2da359279a6 | 245 | if (list_buf == NULL) { |
dkato | 0:c2da359279a6 | 246 | return false; |
dkato | 0:c2da359279a6 | 247 | } |
dkato | 0:c2da359279a6 | 248 | list_buf[0] = '\0'; |
dkato | 0:c2da359279a6 | 249 | |
dkato | 0:c2da359279a6 | 250 | if (!_login) { |
dkato | 0:c2da359279a6 | 251 | return false; |
dkato | 0:c2da359279a6 | 252 | } |
dkato | 0:c2da359279a6 | 253 | |
dkato | 0:c2da359279a6 | 254 | if (!open_data_sock()) { |
dkato | 0:c2da359279a6 | 255 | return false; |
dkato | 0:c2da359279a6 | 256 | } |
dkato | 0:c2da359279a6 | 257 | |
dkato | 0:c2da359279a6 | 258 | FTPClientDataSock.set_timeout(500); |
dkato | 0:c2da359279a6 | 259 | sprintf(p_ftp_buf, "list\r\n"); |
dkato | 0:c2da359279a6 | 260 | FTPClientControlSock.send(p_ftp_buf, strlen(p_ftp_buf)); |
dkato | 0:c2da359279a6 | 261 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 262 | return false; |
dkato | 0:c2da359279a6 | 263 | } |
dkato | 0:c2da359279a6 | 264 | if ((strncmp(p_ftp_buf, "150", 3) != 0) && (strncmp(p_ftp_buf, "125", 3) != 0)) { |
dkato | 0:c2da359279a6 | 265 | return false; |
dkato | 0:c2da359279a6 | 266 | } |
dkato | 0:c2da359279a6 | 267 | |
dkato | 0:c2da359279a6 | 268 | while (remain_size > 0) { |
dkato | 0:c2da359279a6 | 269 | size = FTPClientDataSock.recv(p_ftp_buf, FTP_BUF_SIZE); |
dkato | 0:c2da359279a6 | 270 | if (size > 0) { |
dkato | 0:c2da359279a6 | 271 | if (size > remain_size) { |
dkato | 0:c2da359279a6 | 272 | size = remain_size; |
dkato | 0:c2da359279a6 | 273 | } |
dkato | 0:c2da359279a6 | 274 | memcpy(&list_buf[idx], p_ftp_buf, size); |
dkato | 0:c2da359279a6 | 275 | idx += size; |
dkato | 0:c2da359279a6 | 276 | remain_size -= size; |
dkato | 0:c2da359279a6 | 277 | } else { |
dkato | 0:c2da359279a6 | 278 | break; |
dkato | 0:c2da359279a6 | 279 | } |
dkato | 0:c2da359279a6 | 280 | } |
dkato | 0:c2da359279a6 | 281 | list_buf[idx] = '\0'; |
dkato | 0:c2da359279a6 | 282 | FTPClientDataSock.close(); |
dkato | 0:c2da359279a6 | 283 | |
dkato | 0:c2da359279a6 | 284 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 285 | return false; |
dkato | 0:c2da359279a6 | 286 | } |
dkato | 0:c2da359279a6 | 287 | if (strncmp(p_ftp_buf, "226", 3) != 0) { |
dkato | 0:c2da359279a6 | 288 | return false; |
dkato | 0:c2da359279a6 | 289 | } |
dkato | 0:c2da359279a6 | 290 | return true; |
dkato | 0:c2da359279a6 | 291 | } |
dkato | 0:c2da359279a6 | 292 | |
dkato | 0:c2da359279a6 | 293 | bool FTPClient::ls(char* list_buf, int buf_size) { |
dkato | 0:c2da359279a6 | 294 | int size; |
dkato | 0:c2da359279a6 | 295 | int idx = 0; |
dkato | 0:c2da359279a6 | 296 | int remain_size = buf_size - 1; |
dkato | 0:c2da359279a6 | 297 | |
dkato | 0:c2da359279a6 | 298 | if (list_buf == NULL) { |
dkato | 0:c2da359279a6 | 299 | return false; |
dkato | 0:c2da359279a6 | 300 | } |
dkato | 0:c2da359279a6 | 301 | list_buf[0] = '\0'; |
dkato | 0:c2da359279a6 | 302 | |
dkato | 0:c2da359279a6 | 303 | if (!_login) { |
dkato | 0:c2da359279a6 | 304 | return false; |
dkato | 0:c2da359279a6 | 305 | } |
dkato | 0:c2da359279a6 | 306 | |
dkato | 0:c2da359279a6 | 307 | if (!open_data_sock()) { |
dkato | 0:c2da359279a6 | 308 | return false; |
dkato | 0:c2da359279a6 | 309 | } |
dkato | 0:c2da359279a6 | 310 | |
dkato | 0:c2da359279a6 | 311 | FTPClientDataSock.set_timeout(500); |
dkato | 0:c2da359279a6 | 312 | sprintf(p_ftp_buf, "nlst\r\n"); |
dkato | 0:c2da359279a6 | 313 | FTPClientControlSock.send(p_ftp_buf, strlen(p_ftp_buf)); |
dkato | 0:c2da359279a6 | 314 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 315 | return false; |
dkato | 0:c2da359279a6 | 316 | } |
dkato | 0:c2da359279a6 | 317 | if ((strncmp(p_ftp_buf, "150", 3) != 0) && (strncmp(p_ftp_buf, "125", 3) != 0)) { |
dkato | 0:c2da359279a6 | 318 | return false; |
dkato | 0:c2da359279a6 | 319 | } |
dkato | 0:c2da359279a6 | 320 | |
dkato | 0:c2da359279a6 | 321 | while (remain_size > 0) { |
dkato | 0:c2da359279a6 | 322 | size = FTPClientDataSock.recv(p_ftp_buf, FTP_BUF_SIZE); |
dkato | 0:c2da359279a6 | 323 | if (size > 0) { |
dkato | 0:c2da359279a6 | 324 | if (size > remain_size) { |
dkato | 0:c2da359279a6 | 325 | size = remain_size; |
dkato | 0:c2da359279a6 | 326 | } |
dkato | 0:c2da359279a6 | 327 | memcpy(&list_buf[idx], p_ftp_buf, size); |
dkato | 0:c2da359279a6 | 328 | idx += size; |
dkato | 0:c2da359279a6 | 329 | remain_size -= size; |
dkato | 0:c2da359279a6 | 330 | } else { |
dkato | 0:c2da359279a6 | 331 | break; |
dkato | 0:c2da359279a6 | 332 | } |
dkato | 0:c2da359279a6 | 333 | } |
dkato | 0:c2da359279a6 | 334 | list_buf[idx] = '\0'; |
dkato | 0:c2da359279a6 | 335 | FTPClientDataSock.close(); |
dkato | 0:c2da359279a6 | 336 | |
dkato | 0:c2da359279a6 | 337 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 338 | return false; |
dkato | 0:c2da359279a6 | 339 | } |
dkato | 0:c2da359279a6 | 340 | if (strncmp(p_ftp_buf, "226", 3) != 0) { |
dkato | 0:c2da359279a6 | 341 | return false; |
dkato | 0:c2da359279a6 | 342 | } |
dkato | 0:c2da359279a6 | 343 | return true; |
dkato | 0:c2da359279a6 | 344 | } |
dkato | 0:c2da359279a6 | 345 | |
dkato | 0:c2da359279a6 | 346 | bool FTPClient::open_data_sock() { |
dkato | 0:c2da359279a6 | 347 | uint8_t ip_addr[4]; |
dkato | 0:c2da359279a6 | 348 | int i; |
dkato | 0:c2da359279a6 | 349 | int remote_port = 0; |
dkato | 0:c2da359279a6 | 350 | char* token = NULL; |
dkato | 0:c2da359279a6 | 351 | char* savept = NULL; |
dkato | 0:c2da359279a6 | 352 | |
dkato | 0:c2da359279a6 | 353 | sprintf(p_ftp_buf, "pasv\r\n"); |
dkato | 0:c2da359279a6 | 354 | FTPClientControlSock.send(p_ftp_buf, strlen(p_ftp_buf)); |
dkato | 0:c2da359279a6 | 355 | if (FTPClientControlSock.recv(p_ftp_buf, FTP_BUF_SIZE) <= 0) { |
dkato | 0:c2da359279a6 | 356 | return false; |
dkato | 0:c2da359279a6 | 357 | } |
dkato | 0:c2da359279a6 | 358 | if (strncmp(p_ftp_buf, "227", 3) != 0) { |
dkato | 0:c2da359279a6 | 359 | return false; |
dkato | 0:c2da359279a6 | 360 | } |
dkato | 0:c2da359279a6 | 361 | |
dkato | 0:c2da359279a6 | 362 | token = strchr(p_ftp_buf, '(') + 1; |
dkato | 0:c2da359279a6 | 363 | for (i = 0; i < 4; i++) { |
dkato | 0:c2da359279a6 | 364 | token = strtok_r(token, ",", &savept); |
dkato | 0:c2da359279a6 | 365 | ip_addr[i] = (uint8_t)atoi(token); |
dkato | 0:c2da359279a6 | 366 | token = savept; |
dkato | 0:c2da359279a6 | 367 | if (token == NULL) { |
dkato | 0:c2da359279a6 | 368 | return false; |
dkato | 0:c2da359279a6 | 369 | } |
dkato | 0:c2da359279a6 | 370 | } |
dkato | 0:c2da359279a6 | 371 | |
dkato | 0:c2da359279a6 | 372 | for (i = 0; i < 2; i++) { |
dkato | 0:c2da359279a6 | 373 | token = strtok_r(token, ",)", &savept); |
dkato | 0:c2da359279a6 | 374 | remote_port <<= 8; |
dkato | 0:c2da359279a6 | 375 | remote_port += atoi(token); |
dkato | 0:c2da359279a6 | 376 | token = savept; |
dkato | 0:c2da359279a6 | 377 | if (token == NULL) { |
dkato | 0:c2da359279a6 | 378 | return false; |
dkato | 0:c2da359279a6 | 379 | } |
dkato | 0:c2da359279a6 | 380 | } |
dkato | 0:c2da359279a6 | 381 | sprintf(ftp_data_ip_addr, "%d.%d.%d.%d", ip_addr[0], ip_addr[1], ip_addr[2], ip_addr[3]); |
dkato | 0:c2da359279a6 | 382 | |
dkato | 0:c2da359279a6 | 383 | FTPClientDataSock.open(p_network); |
dkato | 0:c2da359279a6 | 384 | for (i = 0; i < 20; i++) { |
dkato | 0:c2da359279a6 | 385 | if (FTPClientDataSock.connect(ftp_data_ip_addr, remote_port) >= 0) { |
dkato | 0:c2da359279a6 | 386 | return true; |
dkato | 0:c2da359279a6 | 387 | } |
dkato | 0:c2da359279a6 | 388 | wait(1); |
dkato | 0:c2da359279a6 | 389 | } |
dkato | 0:c2da359279a6 | 390 | return false; |
dkato | 0:c2da359279a6 | 391 | } |
dkato | 0:c2da359279a6 | 392 |