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annotate packages/net/ftpclient/current/src/ftpclient.c @ 269:7fffb214536c

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* src/ftpclient.c: Send "quit" not "quit " to keep some servers happy. Also deal with multi line replies correctly.
author asl
date Wed, 07 Aug 2002 08:00:33 +0000
parents d2c90368aeef
children c1abcb7d0cf8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 //==========================================================================
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2 //
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3 // ftpclient.c
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4 //
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5 // A simple FTP client
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6 //
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7 //==========================================================================
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8 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 // Copyright (C) 2002 Andrew Lunn.
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13 //
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14 // eCos is free software; you can redistribute it and/or modify it under
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15 // the terms of the GNU General Public License as published by the Free
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16 // Software Foundation; either version 2 or (at your option) any later version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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19 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License along
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24 // with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use macros
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28 // or inline functions from this file, or you compile this file and link it
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29 // with other works to produce a work based on this file, this file does not
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30 // by itself cause the resulting work to be covered by the GNU General Public
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31 // License. However the source code for this file must still be made available
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32 // in accordance with section (3) of the GNU General Public License.
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33 //
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34 // This exception does not invalidate any other reasons why a work based on
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35 // this file might be covered by the GNU General Public License.
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36 //
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37 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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38 // at http://sources.redhat.com/ecos/ecos-license/
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39 // -------------------------------------------
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40 //####ECOSGPLCOPYRIGHTEND####
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41 //==========================================================================
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42 //#####DESCRIPTIONBEGIN####
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43 //
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44 // Author(s): andrew.lunn@ascom.ch
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45 // Contributors: andrew.lunn@ascom.ch
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46 // Date: 2001-11-4
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47 // Purpose:
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48 // Description:
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49 //
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50 //####DESCRIPTIONEND####
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51 //
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52 //==========================================================================
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53
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54 #include <pkgconf/system.h>
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55
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56 #include <network.h>
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57 #include <stdio.h>
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58 #include <stdlib.h>
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59 #include <sys/socket.h>
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60 #include <netinet/in.h>
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61 #include <arpa/inet.h>
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62 #include <ctype.h>
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63 #include "ftpclient.h"
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64
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65 /* Build one command to send to the FTP server */
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66 static int
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67 build_cmd(char *buf,
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68 unsigned bufsize,
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69 char *cmd,
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70 char *arg1)
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71 {
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72 int cnt;
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73
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74 if (arg1) {
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75 cnt = snprintf(buf,bufsize,"%s %s\r\n",cmd,arg1);
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76 } else {
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77 cnt = snprintf(buf,bufsize,"%s\r\n",cmd);
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78 }
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79
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80 if (cnt < bufsize)
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81 return 1;
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82
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83 return 0;
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84 }
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85
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86
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87 /* Read one line from the server, being careful not to overrun the
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88 buffer. If we do reach the end of the buffer, discard the rest of
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89 the line. */
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90 static int
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91 get_line(int s, char *buf, unsigned buf_size,ftp_printf_t ftp_printf) {
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92
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93 int eol = 0;
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94 int cnt = 0;
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95 int ret;
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96 char c;
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97
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98 while(!eol) {
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99 ret = read(s,&c,1);
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100
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101 if (ret != 1) {
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102 ftp_printf(1,"read %s\n",strerror(errno));
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103 return FTP_BAD;
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104 }
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105
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106 if (c == '\n') {
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107 eol = 1;
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108 continue;
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109 }
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110
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111 if (cnt < buf_size) {
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112 buf[cnt++] = c;
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113 }
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114 }
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115 if (cnt < buf_size) {
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116 buf[cnt++] = '\0';
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117 } else {
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118 buf[buf_size -1] = '\0';
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119 }
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120 return 0;
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121 }
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122
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123 /* Read the reply from the server and return the MSB from the return
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124 code. This gives us a basic idea if the command failed/worked. The
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125 reply can be spread over multiple lines. When this happens the line
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126 will start with a - to indicate there is more*/
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127 static int
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128 get_reply(int s,ftp_printf_t ftp_printf) {
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129
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130 char buf[BUFSIZ];
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131 int more = 0;
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132 int ret;
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133 int first_line=1;
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134 int code=0;
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135
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136 do {
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137
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138 if ((ret=get_line(s,buf,sizeof(buf),ftp_printf)) < 0) {
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139 return(ret);
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140 }
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141
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142 ftp_printf(0,"FTP: %s\n",buf);
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143
269
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144 if (first_line) {
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145 code = strtoul(buf,NULL,0);
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146 first_line=0;
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147 more = (buf[3] == '-');
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148 } else {
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149 if (isdigit(buf[0]) && isdigit(buf[1]) && isdigit(buf[2]) &&
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150 (code == strtoul(buf,NULL,0)) &&
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151 buf[3]==' ') {
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152 more=0;
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153 } else {
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154 more =1;
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155 }
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156 }
196
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157 } while (more);
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158
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159 return (buf[0] - '0');
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160 }
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161
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162 /* Send a command to the server */
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163 static int
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164 send_cmd(int s,char * msgbuf,ftp_printf_t ftp_printf) {
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165
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166 int len;
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167 int slen = strlen(msgbuf);
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168
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169 if ((len = write(s,msgbuf,slen)) != slen) {
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170 if (slen < 0) {
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171 ftp_printf(1,"write %s\n",strerror(errno));
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172 return FTP_BAD;
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173 } else {
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174 ftp_printf(1,"write truncasted!\n");
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175 return FTP_BAD;
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176 }
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177 }
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178 return 1;
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179 }
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180
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181 /* Send a complete command to the server and receive the reply. Return the
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182 MSB of the reply code. */
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183 static int
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184 command(char * cmd,
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185 char * arg,
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186 int s,
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187 char *msgbuf,
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188 int msgbuflen,
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189 ftp_printf_t ftp_printf) {
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190
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191 int err;
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192
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193 if (!build_cmd(msgbuf,msgbuflen,cmd,arg)) {
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194 ftp_printf(1,"FTP: %s command to long\n",cmd);
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195 return FTP_BAD;
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196 }
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197
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198 ftp_printf(0,"FTP: Sending %s command\n",cmd);
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199
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200 if ((err=send_cmd(s,msgbuf,ftp_printf)) < 0) {
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201 return(err);
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202 }
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203
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204 return (get_reply(s,ftp_printf));
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205 }
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206
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207 /* Open a socket and connect it to the server. Also print out the
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208 address of the server for debug purposes.*/
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209
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210 static int
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211 connect_to_server(char *hostname,
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212 struct sockaddr_in * local,
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213 ftp_printf_t ftp_printf)
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214 {
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215 struct sockaddr_in host;
198
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216 struct servent *sent;
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217 #ifdef CYGPKG_NS_DNS
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218 struct hostent *hp=NULL;
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219 #endif
196
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220 int s, len;
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221
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222 s = socket(AF_INET, SOCK_STREAM, 0);
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223 if (s < 0) {
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224 ftp_printf(1,"socket: %s\n",strerror(errno));
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225 return FTP_BAD;
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226 }
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227
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228 sent = getservbyname("ftp", "tcp");
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229 if (sent == (struct servent *)0) {
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230 ftp_printf(1,"FTP: unknown serivice\n");
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231 close(s);
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232 return FTP_BAD;
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233 }
198
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234
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235 #ifdef CYGPKG_NS_DNS
196
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236 hp = gethostbyname(hostname);
198
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237
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238
196
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239 if (hp) { /* try name first */
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240 host.sin_family = hp->h_addrtype;
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241 bcopy(hp->h_addr, &host.sin_addr, hp->h_length);
198
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242 } else
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243 #endif
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244 { /* maybe it's a numeric address ?*/
196
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245 host.sin_family = AF_INET;
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246
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247 if (inet_aton(hostname,&host.sin_addr) == 0) {
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248 ftp_printf(1,"host not found: %s\n", hostname);
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249 close (s);
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250 return FTP_NOSUCHHOST;
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251 }
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252 }
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253
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254 host.sin_port = sent->s_port;
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255
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256 if (connect(s, (struct sockaddr *)&host, sizeof(host)) < 0) {
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257 ftp_printf(1,"FTP Connect failed: %s\n",strerror(errno));
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258 close (s);
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259 return FTP_NOSUCHHOST;
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260 }
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261
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262 len = sizeof(struct sockaddr_in);
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263 if (getsockname(s, (struct sockaddr *)local, &len) < 0) {
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264 ftp_printf(1,"getsockname failed %s\n",strerror(errno));
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265 close(s);
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266 return FTP_BAD;
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267 }
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268 ftp_printf(0,"FTP: Connected to %s.%d\n",
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269 inet_ntoa(host.sin_addr), ntohs(host.sin_port));
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270
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271 return (s);
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272 }
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273
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274 /* Perform a login to the server. Pass the username and password and
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275 put the connection into binary mode. This assumes a passwd is
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276 always needed. Is this true? */
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277
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278 static int
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279 login(char * username,
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280 char *passwd,
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281 int s,
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282 char *msgbuf,
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283 unsigned msgbuflen,
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284 ftp_printf_t ftp_printf) {
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285
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286 int ret;
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287
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diff changeset
288 ret = command("USER",username,s,msgbuf,msgbuflen,ftp_printf);
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jlarmour
parents:
diff changeset
289 if (ret != 3) {
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jlarmour
parents:
diff changeset
290 ftp_printf(1,"FTP: User %s not accepted\n",username);
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jlarmour
parents:
diff changeset
291 return (FTP_BADUSER);
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jlarmour
parents:
diff changeset
292 }
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jlarmour
parents:
diff changeset
293
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parents:
diff changeset
294 ret = command("PASS",passwd,s,msgbuf,msgbuflen,ftp_printf);
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jlarmour
parents:
diff changeset
295 if (ret < 0) {
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jlarmour
parents:
diff changeset
296 return (ret);
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jlarmour
parents:
diff changeset
297 }
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jlarmour
parents:
diff changeset
298 if (ret != 2) {
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jlarmour
parents:
diff changeset
299 ftp_printf(1,"FTP: Login failed for User %s\n",username);
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jlarmour
parents:
diff changeset
300 return (FTP_BADUSER);
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jlarmour
parents:
diff changeset
301 }
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jlarmour
parents:
diff changeset
302
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jlarmour
parents:
diff changeset
303 ftp_printf(0,"FTP: Login sucessfull\n");
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jlarmour
parents:
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304
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jlarmour
parents:
diff changeset
305 ret = command("TYPE","I",s,msgbuf,msgbuflen,ftp_printf);
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jlarmour
parents:
diff changeset
306 if (ret < 0) {
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jlarmour
parents:
diff changeset
307 return (ret);
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jlarmour
parents:
diff changeset
308 }
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jlarmour
parents:
diff changeset
309 if (ret != 2) {
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jlarmour
parents:
diff changeset
310 ftp_printf(1,"FTP: TYPE failed!\n");
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jlarmour
parents:
diff changeset
311 return (FTP_BAD);
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jlarmour
parents:
diff changeset
312 }
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jlarmour
parents:
diff changeset
313 return (ret);
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jlarmour
parents:
diff changeset
314 }
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jlarmour
parents:
diff changeset
315
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jlarmour
parents:
diff changeset
316
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jlarmour
parents:
diff changeset
317 /* Open a data socket. This is a client socket, i.e. its listening
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parents:
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318 waiting for the FTP server to connect to it. Once the socket has been
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jlarmour
parents:
diff changeset
319 opened send the port command to the server so the server knows which
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jlarmour
parents:
diff changeset
320 port we are listening on.*/
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jlarmour
parents:
diff changeset
321 static int
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jlarmour
parents:
diff changeset
322 opendatasock(int ctrl_s,
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jlarmour
parents:
diff changeset
323 struct sockaddr_in ctrl,
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jlarmour
parents:
diff changeset
324 char *msgbuf,
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jlarmour
parents:
diff changeset
325 unsigned msgbuflen,
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jlarmour
parents:
diff changeset
326 ftp_printf_t ftp_printf) {
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jlarmour
parents:
diff changeset
327
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jlarmour
parents:
diff changeset
328 struct sockaddr_in local;
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jlarmour
parents:
diff changeset
329 socklen_t len;
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parents:
diff changeset
330 int on = 1;
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jlarmour
parents:
diff changeset
331 char buf[4*6+1];
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jlarmour
parents:
diff changeset
332 char *a, *p;
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jlarmour
parents:
diff changeset
333 int ret;
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jlarmour
parents:
diff changeset
334 int s;
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parents:
diff changeset
335
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336 s = socket(AF_INET, SOCK_STREAM, 0);
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parents:
diff changeset
337 if (s < 0) {
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diff changeset
338 ftp_printf(1,"socket: %s\n",strerror(errno));
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339 return FTP_BAD;
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parents:
diff changeset
340 }
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diff changeset
341
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diff changeset
342 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof (on)) < 0) {
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jlarmour
parents:
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343 ftp_printf(1,"setsockopt: %s\n",strerror(errno));
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diff changeset
344 close(s);
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345 return FTP_BAD;
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jlarmour
parents:
diff changeset
346 }
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jlarmour
parents:
diff changeset
347
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diff changeset
348 local = ctrl;
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349 local.sin_family = AF_INET;
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diff changeset
350 local.sin_port = 0;
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parents:
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351 if (bind(s,(struct sockaddr *)&local,sizeof(local)) < 0) {
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352 ftp_printf(1,"bind: %s\n",strerror(errno));
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jlarmour
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diff changeset
353 close(s);
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diff changeset
354 return FTP_BAD;
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jlarmour
parents:
diff changeset
355 }
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jlarmour
parents:
diff changeset
356
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jlarmour
parents:
diff changeset
357 len = sizeof(local);
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jlarmour
parents:
diff changeset
358 if (getsockname(s,(struct sockaddr *)&local,&len) < 0) {
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jlarmour
parents:
diff changeset
359 ftp_printf(1,"getsockname: %s\n",strerror(errno));
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jlarmour
parents:
diff changeset
360 close(s);
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jlarmour
parents:
diff changeset
361 return FTP_BAD;
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jlarmour
parents:
diff changeset
362 }
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jlarmour
parents:
diff changeset
363
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jlarmour
parents:
diff changeset
364 if (listen(s, 1) < 0) {
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jlarmour
parents:
diff changeset
365 ftp_printf(1,"listen: %s\n",strerror(errno));
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jlarmour
parents:
diff changeset
366 close(s);
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jlarmour
parents:
diff changeset
367 return FTP_BAD;
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jlarmour
parents:
diff changeset
368 }
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jlarmour
parents:
diff changeset
369
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jlarmour
parents:
diff changeset
370 #define BtoI(b) (((int)b)&0xff)
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jlarmour
parents:
diff changeset
371 a = (char *)&local.sin_addr;
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jlarmour
parents:
diff changeset
372 p = (char *)&local.sin_port;
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jlarmour
parents:
diff changeset
373 sprintf(buf,"%d,%d,%d,%d,%d,%d",
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jlarmour
parents:
diff changeset
374 BtoI(a[0]),BtoI(a[1]),BtoI(a[2]),BtoI(a[3]),
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jlarmour
parents:
diff changeset
375 BtoI(p[0]),BtoI(p[1]));
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jlarmour
parents:
diff changeset
376
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jlarmour
parents:
diff changeset
377 ret = command("PORT",buf,ctrl_s,msgbuf,msgbuflen,ftp_printf);
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jlarmour
parents:
diff changeset
378 if (ret < 0) {
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jlarmour
parents:
diff changeset
379 close(s);
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jlarmour
parents:
diff changeset
380 return (ret);
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jlarmour
parents:
diff changeset
381 }
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jlarmour
parents:
diff changeset
382
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jlarmour
parents:
diff changeset
383 if (ret != 2) {
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jlarmour
parents:
diff changeset
384 ftp_printf(1,"FTP: PORT failed!\n");
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jlarmour
parents:
diff changeset
385 close(s);
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jlarmour
parents:
diff changeset
386 return (FTP_BAD);
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jlarmour
parents:
diff changeset
387 }
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jlarmour
parents:
diff changeset
388 return (s);
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jlarmour
parents:
diff changeset
389 }
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jlarmour
parents:
diff changeset
390
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jlarmour
parents:
diff changeset
391 /* Receive the file into the buffer and close the data socket
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
392 afterwards */
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jlarmour
parents:
diff changeset
393 static int
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jlarmour
parents:
diff changeset
394 receive_file(int data_s, char *buf, int buf_size,ftp_printf_t ftp_printf)
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jlarmour
parents:
diff changeset
395 {
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jlarmour
parents:
diff changeset
396 int remaining = buf_size;
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jlarmour
parents:
diff changeset
397 int finished = 0;
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jlarmour
parents:
diff changeset
398 int total_size=0;
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jlarmour
parents:
diff changeset
399 char *bufp = buf;
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jlarmour
parents:
diff changeset
400 int len;
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jlarmour
parents:
diff changeset
401 int s;
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jlarmour
parents:
diff changeset
402
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jlarmour
parents:
diff changeset
403 s = accept(data_s,NULL,0);
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jlarmour
parents:
diff changeset
404 if (s<0) {
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jlarmour
parents:
diff changeset
405 ftp_printf(1,"listen: %s\n",strerror(errno));
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jlarmour
parents:
diff changeset
406 return FTP_BAD;
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jlarmour
parents:
diff changeset
407 }
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jlarmour
parents:
diff changeset
408
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
409 do {
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jlarmour
parents:
diff changeset
410 len = read(s,bufp,remaining);
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jlarmour
parents:
diff changeset
411 if (len < 0) {
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jlarmour
parents:
diff changeset
412 ftp_printf(1,"read: %s\n",strerror(errno));
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jlarmour
parents:
diff changeset
413 close(s);
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jlarmour
parents:
diff changeset
414 return FTP_BAD;
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jlarmour
parents:
diff changeset
415 }
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jlarmour
parents:
diff changeset
416
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
417 if (len == 0) {
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jlarmour
parents:
diff changeset
418 finished = 1;
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jlarmour
parents:
diff changeset
419 } else {
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jlarmour
parents:
diff changeset
420 total_size += len;
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jlarmour
parents:
diff changeset
421 remaining -= len;
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jlarmour
parents:
diff changeset
422 bufp += len;
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jlarmour
parents:
diff changeset
423
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
424 if (total_size == buf_size) {
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jlarmour
parents:
diff changeset
425 ftp_printf(1,"FTP: File too big!\n");
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jlarmour
parents:
diff changeset
426 close(s);
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jlarmour
parents:
diff changeset
427 return FTP_TOOBIG;
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jlarmour
parents:
diff changeset
428 }
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jlarmour
parents:
diff changeset
429 }
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jlarmour
parents:
diff changeset
430 } while (!finished);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
431
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
432 close(s);
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jlarmour
parents:
diff changeset
433 return total_size;
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jlarmour
parents:
diff changeset
434 }
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
435
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
436 /* Receive the file into the buffer and close the socket afterwards*/
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
437 static int
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jlarmour
parents:
diff changeset
438 send_file(int data_s, char *buf, int buf_size,ftp_printf_t ftp_printf)
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
439 {
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jlarmour
parents:
diff changeset
440 int remaining=buf_size;
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jlarmour
parents:
diff changeset
441 int finished = 0;
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jlarmour
parents:
diff changeset
442 char * bufp = buf;
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jlarmour
parents:
diff changeset
443 int len;
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jlarmour
parents:
diff changeset
444 int s;
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jlarmour
parents:
diff changeset
445
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jlarmour
parents:
diff changeset
446 s = accept(data_s,NULL,0);
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jlarmour
parents:
diff changeset
447 if (s<0) {
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jlarmour
parents:
diff changeset
448 ftp_printf(1,"listen: %s\n",strerror(errno));
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jlarmour
parents:
diff changeset
449 return FTP_BAD;
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jlarmour
parents:
diff changeset
450 }
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jlarmour
parents:
diff changeset
451
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jlarmour
parents:
diff changeset
452 do {
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jlarmour
parents:
diff changeset
453 len = write(s,bufp,remaining);
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jlarmour
parents:
diff changeset
454 if (len < 0) {
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jlarmour
parents:
diff changeset
455 ftp_printf(1,"write: %s\n",strerror(errno));
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jlarmour
parents:
diff changeset
456 close(s);
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jlarmour
parents:
diff changeset
457 return FTP_BAD;
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jlarmour
parents:
diff changeset
458 }
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jlarmour
parents:
diff changeset
459
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jlarmour
parents:
diff changeset
460 if (len == remaining) {
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jlarmour
parents:
diff changeset
461 finished = 1;
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jlarmour
parents:
diff changeset
462 } else {
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jlarmour
parents:
diff changeset
463 remaining -= len;
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jlarmour
parents:
diff changeset
464 bufp += len;
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jlarmour
parents:
diff changeset
465 }
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jlarmour
parents:
diff changeset
466 } while (!finished);
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jlarmour
parents:
diff changeset
467
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jlarmour
parents:
diff changeset
468 close(s);
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jlarmour
parents:
diff changeset
469 return 0;
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jlarmour
parents:
diff changeset
470 }
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jlarmour
parents:
diff changeset
471
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jlarmour
parents:
diff changeset
472 /* All done, say bye, bye */
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
473 static int quit(int s,
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jlarmour
parents:
diff changeset
474 char *msgbuf,
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
475 unsigned msgbuflen,
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jlarmour
parents:
diff changeset
476 ftp_printf_t ftp_printf) {
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jlarmour
parents:
diff changeset
477
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jlarmour
parents:
diff changeset
478 int ret;
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jlarmour
parents:
diff changeset
479
269
7fffb214536c * src/ftpclient.c: Send "quit" not "quit " to keep some servers
asl
parents: 210
diff changeset
480 ret = command("QUIT",NULL,s,msgbuf,msgbuflen,ftp_printf);
196
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jlarmour
parents:
diff changeset
481 if (ret < 0) {
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jlarmour
parents:
diff changeset
482 return (ret);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
483 }
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
484 if (ret != 2) {
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
485 ftp_printf(1,"FTP: Quit failed!\n");
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
486 return (FTP_BAD);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
487 }
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jlarmour
parents:
diff changeset
488
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
489 ftp_printf(0,"FTP: Connection closed\n");
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jlarmour
parents:
diff changeset
490 return (0);
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jlarmour
parents:
diff changeset
491 }
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jlarmour
parents:
diff changeset
492
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
493 /* Get a file from an FTP server. Hostname is the name/IP address of
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
494 the server. username is the username used to connect to the server
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
495 with. Passwd is the password used to authentificate the
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
496 username. filename is the name of the file to receive. It should be
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
497 the full pathname of the file. buf is a pointer to a buffer the
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
498 contents of the file should be placed in and buf_size is the size
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jlarmour
parents:
diff changeset
499 of the buffer. If the file is bigger than the buffer, buf_size
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
500 bytes will be retrieved and an error code returned. ftp_printf is a
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
501 function to be called to perform printing. On success the number of
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
502 bytes received is returned. On error a negative value is returned
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
503 indicating the type of error. */
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jlarmour
parents:
diff changeset
504
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
505 int ftp_get(char * hostname,
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
506 char * username,
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jlarmour
parents:
diff changeset
507 char * passwd,
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jlarmour
parents:
diff changeset
508 char * filename,
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jlarmour
parents:
diff changeset
509 char * buf,
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
510 unsigned buf_size,
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
511 ftp_printf_t ftp_printf)
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
512 {
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jlarmour
parents:
diff changeset
513
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
514 struct sockaddr_in local;
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
515 char msgbuf[256];
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
516 int s,data_s;
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
517 int bytes;
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
518 int ret;
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jlarmour
parents:
diff changeset
519
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jlarmour
parents:
diff changeset
520 s = connect_to_server(hostname,&local,ftp_printf);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
521 if (s < 0) {
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
522 return (s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
523 }
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jlarmour
parents:
diff changeset
524
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
525 /* Read the welcome message from the server */
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
526 if (get_reply(s,ftp_printf) != 2) {
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
527 ftp_printf(0,"FTP: Server refused connection\n");
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jlarmour
parents:
diff changeset
528 close(s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
529 return FTP_BAD;
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
530 }
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
531
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
532 ret = login(username,passwd,s,msgbuf,sizeof(msgbuf),ftp_printf);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
533 if (ret < 0) {
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
534 close(s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
535 return (ret);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
536 }
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
537
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
538 /* We are now logged in and ready to transfer the file. Open the
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
539 data socket ready to receive the file. It also build the PORT
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
540 command ready to send */
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
541 data_s = opendatasock(s,local,msgbuf,sizeof(msgbuf),ftp_printf);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
542 if (data_s < 0) {
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
543 close (s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
544 return (data_s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
545 }
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
546
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
547 /* Ask for the file */
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
548 ret = command("RETR",filename,s,msgbuf,sizeof(msgbuf),ftp_printf);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
549 if (ret < 0) {
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
550 close(s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
551 close(data_s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
552 return (ret);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
553 }
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
554
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
555 if (ret != 1) {
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
556 ftp_printf(0,"FTP: RETR failed!\n");
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
557 close (data_s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
558 close(s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
559 return (FTP_BADFILENAME);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
560 }
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
561
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
562 if ((bytes=receive_file(data_s,buf,buf_size,ftp_printf)) < 0) {
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
563 ftp_printf(0,"FTP: Receiving file failed\n");
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
564 close (data_s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
565 close(s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
566 return (bytes);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
567 }
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
568
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
569 if (get_reply(s,ftp_printf) != 2) {
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
570 ftp_printf(0,"FTP: Transfer failed!\n");
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
571 close (data_s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
572 close(s);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
573 return (FTP_BAD);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
574 }
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
575
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
576 ret = quit(s,msgbuf,sizeof(msgbuf),ftp_printf);
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
577 if (ret < 0) {
9b55e9c69693 Merge from eCos master repository on 2001-11-23-15:32:03-GMT
jlarmour
parents:
diff changeset
578 close(s);
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jlarmour
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579 close(data_s);
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580 return (ret);
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parents:
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581 }
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parents:
diff changeset
582
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parents:
diff changeset
583 close (data_s);
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parents:
diff changeset
584 close(s);
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585 return bytes;
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parents:
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586 }
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587
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588 /* Put a file on an FTP server. Hostname is the name/IP address of the
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parents:
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589 server. username is the username used to connect to the server
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590 with. Passwd is the password used to authentificate the
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diff changeset
591 username. filename is the name of the file to receive. It should be
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parents:
diff changeset
592 the full pathname of the file. buf is a pointer to a buffer the
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parents:
diff changeset
593 contents of the file should be placed in and buf_size is the size
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diff changeset
594 of the buffer. ftp_printf is a function to be called to perform
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parents:
diff changeset
595 printing. On success 0 is returned. On error a negative value is
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parents:
diff changeset
596 returned indicating the type of error. */
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parents:
diff changeset
597
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jlarmour
parents:
diff changeset
598 int ftp_put(char * hostname,
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jlarmour
parents:
diff changeset
599 char * username,
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parents:
diff changeset
600 char * passwd,
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parents:
diff changeset
601 char * filename,
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parents:
diff changeset
602 char * buf,
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parents:
diff changeset
603 unsigned buf_size,
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jlarmour
parents:
diff changeset
604 ftp_printf_t ftp_printf)
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jlarmour
parents:
diff changeset
605 {
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parents:
diff changeset
606
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jlarmour
parents:
diff changeset
607 struct sockaddr_in local;
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jlarmour
parents:
diff changeset
608 char msgbuf[256];
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jlarmour
parents:
diff changeset
609 int s,data_s;
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jlarmour
parents:
diff changeset
610 int ret;
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parents:
diff changeset
611
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612 s = connect_to_server(hostname,&local,ftp_printf);
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613 if (s < 0) {
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614 return (s);
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diff changeset
615 }
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616
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parents:
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617 /* Read the welcome message from the server */
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618 if (get_reply(s,ftp_printf) != 2) {
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619 ftp_printf(1,"FTP: Server refused connection\n");
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620 close(s);
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621 return FTP_BAD;
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622 }
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diff changeset
623
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624 ret = login(username,passwd,s,msgbuf,sizeof(msgbuf),ftp_printf);
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625 if (ret < 0) {
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626 close(s);
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parents:
diff changeset
627 return (ret);
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628 }
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diff changeset
629
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630 /* We are now logged in and ready to transfer the file. Open the
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diff changeset
631 data socket ready to receive the file. It also build the PORT
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632 command ready to send */
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633 data_s = opendatasock(s,local,msgbuf,sizeof(msgbuf),ftp_printf);
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diff changeset
634 if (data_s < 0) {
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parents:
diff changeset
635 close (s);
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diff changeset
636 return (data_s);
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637 }
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diff changeset
638
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639 /* Ask for the file */
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640 ret = command("STOR",filename,s,msgbuf,sizeof(msgbuf),ftp_printf);
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641 if (ret < 0) {
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642 close(s);
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643 close(data_s);
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diff changeset
644 return (ret);
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parents:
diff changeset
645 }
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diff changeset
646
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diff changeset
647 if (ret != 1) {
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diff changeset
648 ftp_printf(1,"FTP: STOR failed!\n");
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diff changeset
649 close (data_s);
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650 close(s);
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651 return (FTP_BADFILENAME);
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652 }
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653
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654 if ((ret = send_file(data_s,buf,buf_size,ftp_printf)) < 0) {
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655 ftp_printf(1,"FTP: Sending file failed\n");
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diff changeset
656 close (data_s);
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diff changeset
657 close(s);
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diff changeset
658 return (ret);
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659 }
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diff changeset
660
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661 if (get_reply(s,ftp_printf) != 2) {
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diff changeset
662 ftp_printf(1,"FTP: Transfer failed!\n");
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diff changeset
663 close (data_s);
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diff changeset
664 close(s);
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665 return (FTP_BAD);
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666 }
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diff changeset
667
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diff changeset
668 ret = quit(s,msgbuf,sizeof(msgbuf),ftp_printf);
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diff changeset
669 if (ret < 0) {
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diff changeset
670 close(s);
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diff changeset
671 close(data_s);
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diff changeset
672 return (ret);
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673 }
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diff changeset
674
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jlarmour
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diff changeset
675 close (data_s);
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parents:
diff changeset
676 close(s);
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diff changeset
677 return 0;
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parents:
diff changeset
678 }
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diff changeset
679
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diff changeset
680 /* An example ftp_printf function. This uses the standard eCos diag
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diff changeset
681 output device for outputting error and diagnostic messages. The
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diff changeset
682 function take one addition parameter to the normal printf function. The
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diff changeset
683 first parameter indicates when the message is an error message when
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diff changeset
684 true. This can be used to filter errors from diagnostic output. In
198
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parents: 196
diff changeset
685 this example the error parameter is ignored and everything printed. */
196
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parents:
diff changeset
686
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diff changeset
687 void ftpclient_printf(unsigned error, const char *fmt, ...)
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parents:
diff changeset
688 {
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parents:
diff changeset
689 va_list ap;
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parents:
diff changeset
690
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diff changeset
691 va_start(ap, fmt);
198
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diff changeset
692 diag_vprintf( fmt, ap);
196
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diff changeset
693 va_end(ap);
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694 }