1 | /* ftp.c by Michael Temari 06/21/92
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2 | *
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3 | * ftp An ftp client program for use with TNET.
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4 | *
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5 | * Usage: ftp [[host] [port]]
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6 | *
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7 | * Version: 0.10 06/21/92 (pre-release not yet completed)
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8 | * 0.20 07/01/92
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9 | * 0.30 01/15/96 (Minix 1.7.1 initial release)
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10 | * 0.40 08/27/96
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11 | *
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12 | * Author: Michael Temari, <temari@ix.netcom.com>
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13 | */
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14 |
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15 | #include <stdio.h>
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16 | #include <stdlib.h>
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17 | #include <ctype.h>
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18 | #include <string.h>
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19 |
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20 | #include "ftp.h"
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21 | #include "local.h"
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22 | #include "file.h"
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23 | #include "other.h"
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24 | #include "net.h"
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25 |
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26 | FILE *fpcommin;
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27 | FILE *fpcommout;
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28 |
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29 | int linkopen;
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30 | int loggedin;
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31 | int type;
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32 | int format;
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33 | int mode;
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34 | int structure;
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35 | int passive;
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36 | int atty;
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37 |
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38 | int cmdargc;
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39 | char *cmdargv[NUMARGS];
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40 |
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41 | char reply[1024];
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42 |
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43 | _PROTOTYPE(static int makeargs, (char *buff));
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44 | _PROTOTYPE(int DOhelp, (void));
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45 | _PROTOTYPE(int main, (int argc, char *argv[]));
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46 |
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47 | static int makeargs(buff)
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48 | char *buff;
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49 | {
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50 | char *p;
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51 | int i;
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52 |
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53 | for(i = 0; i < NUMARGS; i++)
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54 | cmdargv[i] = (char *)0;
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55 |
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56 | p = buff + strlen(buff) - 1;
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57 | while(p != buff)
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58 | if(*p == '\r' || *p == '\n' || isspace(*p))
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59 | *p-- = '\0';
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60 | else
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61 | break;
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62 |
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63 | p = buff;
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64 | cmdargc = 0;
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65 | while(cmdargc < NUMARGS) {
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66 | while(*p && isspace(*p))
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67 | p++;
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68 | if(*p == '\0')
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69 | break;
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70 | cmdargv[cmdargc++] = p;
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71 | while(*p && !isspace(*p)) {
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72 | if(cmdargc == 1)
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73 | *p = tolower(*p);
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74 | p++;
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75 | }
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76 | if(*p == '\0')
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77 | break;
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78 | *p = '\0';
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79 | p++;
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80 | }
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81 | }
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82 |
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83 | int readline(prompt, buff, len)
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84 | char *prompt;
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85 | char *buff;
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86 | int len;
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87 | {
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88 | printf(prompt); fflush(stdout);
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89 |
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90 | if(fgets(buff, len, stdin) == (char *)NULL) {
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91 | printf("\nEnd of file on input!\n");
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92 | exit(1);
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93 | }
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94 |
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95 | *strchr(buff, '\n') = 0;
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96 |
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97 | if(!atty) {
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98 | printf("%s\n", buff);
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99 | fflush(stdout);
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100 | }
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101 |
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102 | return(0);
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103 | }
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104 |
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105 | int DOgetreply()
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106 | {
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107 | char *p;
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108 | char buff[6];
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109 | int s;
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110 | int firsttime;
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111 |
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112 | do {
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113 | firsttime = 1;
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114 | do {
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115 | if(fgets(reply, sizeof(reply), fpcommin) == (char *)0)
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116 | return(-1);
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117 | p = reply + strlen(reply) - 1;
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118 | while(p != reply)
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119 | if(*p == '\r' || *p == '\n' || isspace(*p))
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120 | *p-- = '\0';
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121 | else
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122 | break;
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123 | printf("%s\n", reply); fflush(stdout);
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124 | if(firsttime) {
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125 | firsttime = 0;
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126 | strncpy(buff, reply, 4);
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127 | buff[3] = ' ';
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128 | }
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129 | } while(strncmp(reply, buff, 3) || reply[3] == '-');
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130 | s = atoi(buff);
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131 | } while(s < 200 && s != 125 & s != 150);
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132 |
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133 | return(s);
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134 | }
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135 |
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136 | int DOcmdcheck()
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137 | {
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138 | if(!linkopen) {
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139 | printf("You must \"OPEN\" a connection first.\n");
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140 | return(1);
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141 | }
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142 |
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143 | if(!loggedin) {
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144 | printf("You must login first.\n");
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145 | return(1);
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146 | }
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147 |
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148 | return(0);
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149 | }
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150 |
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151 | int DOcommand(ftpcommand, ftparg)
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152 | char *ftpcommand;
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153 | char *ftparg;
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154 | {
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155 | if(*ftparg)
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156 | fprintf(fpcommout, "%s %s\r\n", ftpcommand, ftparg);
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157 | else
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158 | fprintf(fpcommout, "%s\r\n", ftpcommand);
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159 |
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160 | fflush(fpcommout);
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161 |
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162 | return(DOgetreply());
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163 | }
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164 |
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165 | int DOhelp()
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166 | {
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167 | char junk[10];
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168 |
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169 | printf("Command: Description\n");
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170 | printf("! Escape to a shell\n");
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171 | printf("append Append a file to remote host\n");
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172 | printf("ascii Set file transfer mode to ascii\n");
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173 | printf("binary Set file transfer mode to binary\n");
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174 | printf("bye Close connection and exit\n");
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175 | printf("cd Change directory on remote host\n");
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176 | printf("close Close connection\n");
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177 | printf("del Remove file on remote host\n");
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178 | printf("dir Display long form remote host directory listing\n");
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179 | printf("exit Close connection and exit\n");
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180 | printf("get Retrieve a file from remote host\n");
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181 | printf("help Display this text\n");
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182 | printf("lcd Change directory on local host\n");
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183 | printf("ldir Display long form local host directory listing\n");
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184 | printf("lls Display local host directory listing\n");
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185 | printf("lmkdir Create directory on local host\n");
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186 | printf("lpwd Display current directory on local host\n");
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187 | printf("lrmdir Remove directory on local host\n");
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188 | printf("ls Display remote host directory listing\n");
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189 | printf("mget Retrieve multiple files from remote host\n");
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190 | printf("mkdir Create directory on remote host\n");
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191 | printf("mod Get file modification time\n");
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192 |
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193 | readline("Press ENTER to continue... ", junk, sizeof(junk));
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194 |
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195 | printf("mput Send multiple files to remote host\n");
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196 | printf("noop Send the ftp NOOP command\n");
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197 | printf("open Open connection to remote host\n");
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198 | printf("pass Enter remote user password\n");
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199 | printf("passive Toggle passive mode\n");
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200 | printf("put Send a file to remote host\n");
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201 | printf("putu Send a file to remote host(unique)\n");
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202 | printf("pwd Display current directory on remote host\n");
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203 | printf("quit Close connection and exit\n");
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204 | printf("quote Send raw ftp command to remote host\n");
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205 | printf("reget Restart a partial file retrieve from remote host\n");
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206 | printf("remotehelp Display ftp commands implemented on remote host\n");
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207 | printf("reput Restart a partial file send to remote host\n");
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208 | printf("rm Remove file on remote host\n");
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209 | printf("rmdir Remove directory on remote host\n");
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210 | printf("site Send a site specific command\n");
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211 | printf("size Get file size information\n");
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212 | printf("status Get connection/file status information\n");
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213 | printf("system Get remote system type information\n");
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214 | printf("user Enter remote user information\n");
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215 |
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216 | return(0);
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217 | }
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218 |
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219 | struct commands {
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220 | char *name;
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221 | _PROTOTYPE(int (*func), (void));
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222 | };
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223 |
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224 | static struct commands commands[] = {
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225 | "!", DOlshell,
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226 | "append", DOappe,
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227 | "ascii", DOascii,
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228 | "binary", DObinary,
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229 | "bin", DObinary,
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230 | "bye", DOquit,
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231 | "cd", DOcd,
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232 | "close", DOclose,
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233 | "del", DOdelete,
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234 | "dir", DOlist,
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235 | "exit", DOquit,
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236 | "get", DOretr,
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237 | "help", DOhelp,
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238 | "lcd", DOlcd,
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239 | "ldir", DOllist,
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240 | "lls", DOlnlst,
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241 | "lmkdir", DOlmkdir,
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242 | "lpwd", DOlpwd,
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243 | "lrmdir", DOlrmdir,
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244 | "ls", DOnlst,
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245 | "mget", DOMretr,
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246 | "mkdir", DOmkdir,
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247 | "mod", DOmdtm,
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248 | "mput", DOMstor,
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249 | "noop", DOnoop,
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250 | "open", DOopen,
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251 | "pass", DOpass,
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252 | "passive", DOpassive,
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253 | "put", DOstor,
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254 | "putu", DOstou,
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255 | "pwd", DOpwd,
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256 | "quit", DOquit,
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257 | "quote", DOquote,
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258 | "reget", DOrretr,
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259 | "remotehelp", DOremotehelp,
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260 | "reput", DOrstor,
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261 | "rm", DOdelete,
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262 | "rmdir", DOrmdir,
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263 | "site", DOsite,
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264 | "size", DOsize,
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265 | "status", DOstat,
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266 | "system", DOsyst,
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267 | "user", DOuser,
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268 | "", (int (*)())0
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269 | };
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270 |
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271 | int main(argc, argv)
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272 | int argc;
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273 | char *argv[];
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274 | {
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275 | int s;
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276 | struct commands *cmd;
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277 | static char buffer[128];
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278 |
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279 | NETinit();
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280 |
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281 | FTPinit();
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282 |
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283 | s = 0;
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284 |
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285 | if(argc > 1) {
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286 | sprintf(buffer, "open %s ", argv[1]);
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287 | makeargs(buffer);
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288 | s = DOopen();
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289 | if(atty && s > 0) {
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290 | sprintf(buffer, "user");
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291 | makeargs(buffer);
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292 | s = DOuser();
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293 | }
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294 | }
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295 |
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296 | while(s >= 0) {
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297 | readline("ftp>", buffer, sizeof(buffer));
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298 | makeargs(buffer);
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299 | if(cmdargc == 0) continue;
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300 | for(cmd = commands; *cmd->name != '\0'; cmd++)
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301 | if(!strcmp(cmdargv[0], cmd->name))
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302 | break;
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303 | if(*cmd->name != '\0')
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304 | s = (*cmd->func)();
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305 | else {
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306 | s = 0;
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307 | printf("Command \"%s\" not recognized.\n", cmdargv[0]);
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308 | }
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309 | }
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310 |
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311 | return(0);
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312 | }
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