minix/commands/ftp101/file.c

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2006-06-19 16:55:09 +02:00
/* file.c Copyright 1992-2000 by Michael Temari All Rights Reserved
*
* This file is part of ftp.
*
*
* 01/25/96 Initial Release Michael Temari, <Michael@TemWare.Com>
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
#include <time.h>
#include <utime.h>
#include <net/hton.h>
#include "ftp.h"
#include "file.h"
#include "net.h"
static char *dir(char *path, int full);
static int asciisize(int fd, off_t *filesize);
static off_t asciisetsize(int fd, off_t filesize);
static int cloneit(char *file, int mode);
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#if (__WORD_SIZE == 4)
static char buffer[8192];
#else
static char buffer[2048];
#endif
static char line2[512];
static char *dir(path, full)
char *path;
int full;
{
char cmd[128];
static char name[32];
tmpnam(name);
if(full)
sprintf(cmd, "ls -l %s > %s", path, name);
else
sprintf(cmd, "ls -dA %s > %s", path, name);
system(cmd);
return(name);
}
int DOascii()
{
int s;
if(DOcmdcheck())
return(0);
s = DOcommand("TYPE", "A");
type = TYPE_A;
return(s);
}
int DObinary()
{
int s;
if(DOcmdcheck())
return(0);
s = DOcommand("TYPE", "I");
type = TYPE_I;
return(s);
}
int DOblock()
{
int s;
if(DOcmdcheck())
return(0);
s = DOcommand("MODE", "B");
mode = MODE_B;
return(s);
}
int DOstream()
{
int s;
if(DOcmdcheck())
return(0);
s = DOcommand("MODE", "S");
mode = MODE_S;
return(s);
}
int DOpwd()
{
int s;
if(DOcmdcheck())
return(0);
s = DOcommand("PWD", "");
if(s == 500 || s == 502)
s = DOcommand("XPWD", "");
return(s);
}
int DOcd()
{
char *path;
int s;
if(DOcmdcheck())
return(0);
path = cmdargv[1];
if(cmdargc < 2) {
if(readline("Path: ", line2, sizeof(line2)) < 0)
return(-1);
path = line2;
}
if(!strcmp(path, ".."))
s = DOcommand("CDUP", "");
else
s = DOcommand("CWD", path);
if(s == 500 || s == 502) {
if(!strcmp(path, ".."))
s = DOcommand("XCUP", "");
else
s = DOcommand("XCWD", path);
}
return(s);
}
int DOmkdir()
{
char *path;
int s;
if(DOcmdcheck())
return(0);
path = cmdargv[1];
if(cmdargc < 2) {
if(readline("Directory: ", line2, sizeof(line2)) < 0)
return(-1);
path = line2;
}
s = DOcommand("MKD", path);
if(s == 500 || s == 502)
s = DOcommand("XMKD", path);
return(s);
}
int DOrmdir()
{
char *path;
int s;
if(DOcmdcheck())
return(0);
path = cmdargv[1];
if(cmdargc < 2) {
if(readline("Directory: ", line2, sizeof(line2)) < 0)
return(-1);
path = line2;
}
s = DOcommand("RMD", path);
if(s == 500 || s == 502)
s = DOcommand("XRMD", path);
return(s);
}
int DOdelete()
{
char *file;
if(DOcmdcheck())
return(0);
file = cmdargv[1];
if(cmdargc < 2) {
if(readline("File: ", line2, sizeof(line2)) < 0)
return(-1);
file = line2;
}
return(DOcommand("DELE", file));
}
int DOmdtm()
{
char *file;
if(DOcmdcheck())
return(0);
file = cmdargv[1];
if(cmdargc < 2) {
if(readline("File: ", line2, sizeof(line2)) < 0)
return(-1);
file = line2;
}
return(DOcommand("MDTM", file));
}
int DOsize()
{
char *file;
if(DOcmdcheck())
return(0);
file = cmdargv[1];
if(cmdargc < 2) {
if(readline("File: ", line2, sizeof(line2)) < 0)
return(-1);
file = line2;
}
return(DOcommand("SIZE", file));
}
int DOstat()
{
char *file;
if(cmdargc < 2) {
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if(!linkopen) {
printf("You must \"OPEN\" a connection first.\n");
return(0);
} else {
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return(DOcommand("STAT", ""));
}
}
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if(DOcmdcheck())
return(0);
file = cmdargv[1];
if(cmdargc < 2) {
if(readline("File: ", line2, sizeof(line2)) < 0)
return(-1);
file = line2;
}
return(DOcommand("STAT", file));
}
int DOlist()
{
char *path;
char *local;
int fd;
int s;
if(DOcmdcheck())
return(0);
path = cmdargv[1];
if(cmdargc < 2)
path = "";
if(cmdargc < 3)
local = "";
else
local = cmdargv[2];
if(*local == '\0')
fd = 1;
else
fd = open(local, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if(fd < 0) {
printf("Could not open local file %s. Error %s\n", local, strerror(errno));
return(0);
}
s = DOdata("LIST", path, RETR, fd);
if(fd > 2)
close(fd);
return(s);
}
int DOnlst()
{
char *path;
char *local;
int fd;
int s;
if(DOcmdcheck())
return(0);
path = cmdargv[1];
if(cmdargc < 2)
path = "";
if(cmdargc < 3)
local = "";
else
local = cmdargv[2];
if(*local == '\0')
fd = 1;
else
fd = open(local, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if(fd < 0) {
printf("Could not open local file %s. Error %s\n", local, strerror(errno));
return(0);
}
s = DOdata("NLST", path, RETR, fd);
if(fd > 2)
close(fd);
return(s);
}
int DOretr()
{
char *file, *localfile;
int fd;
int s;
if(DOcmdcheck())
return(0);
file = cmdargv[1];
if(cmdargc < 2) {
if(readline("Remote File: ", line2, sizeof(line2)) < 0)
return(-1);
file = line2;
}
if(cmdargc < 3)
localfile = file;
else
localfile = cmdargv[2];
fd = open(localfile, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if(fd < 0) {
printf("Could not open local file %s. Error %s\n", localfile, strerror(errno));
return(0);
}
s = DOdata("RETR", file, RETR, fd);
close(fd);
return(s);
}
int DOrretr()
{
char *file, *localfile;
int fd;
int s;
off_t filesize;
char restart[16];
if(DOcmdcheck())
return(0);
file = cmdargv[1];
if(cmdargc < 2) {
if(readline("Remote File: ", line2, sizeof(line2)) < 0)
return(-1);
file = line2;
}
if(cmdargc < 3)
localfile = file;
else
localfile = cmdargv[2];
fd = open(localfile, O_RDWR);
if(fd < 0) {
printf("Could not open local file %s. Error %s\n", localfile, strerror(errno));
return(0);
}
if(type == TYPE_A) {
if(asciisize(fd, &filesize)) {
printf("Could not determine ascii file size of %s\n", localfile);
close(fd);
return(0);
}
} else
filesize = lseek(fd, 0, SEEK_END);
sprintf(restart, "%u", filesize);
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s = DOcommand("REST", restart);
if(s != 350) {
close(fd);
return(s);
}
s = DOdata("RETR", file, RETR, fd);
close(fd);
return(s);
}
char *ttime(time_t t)
{
struct tm *tm;
static char tbuf[16];
tm = localtime(&t);
sprintf(tbuf, "%04d%02d%02d%02d%02d.%02d",
tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec);
return(tbuf);
}
static int cloneit(file, mode)
char *file;
int mode;
{
int opr;
int s;
int ss;
struct stat st;
static unsigned short lcrc;
static unsigned short ccrc;
static unsigned long csize;
static char ft;
static unsigned long maj;
static unsigned long min;
static unsigned long uid;
static unsigned long gid;
static unsigned long fmode;
static unsigned long size;
static unsigned long mtime;
struct utimbuf ut;
unsigned short crc(char *fname);
if(mode == 1) {
/* see if file exists locally */
ss = stat(file, &st);
opr = printreply;
printreply = 0;
s = DOcommand("SITE FDET", file);
printreply = opr;
if((s / 100) != 2)
return(-1);
sscanf(reply, "%*d %c%lu%lu%lu%lu%lu%lu%lu",
&ft, &maj, &min, &uid, &gid, &fmode, &size, &mtime);
if(ft == 'f') {
opr = printreply;
printreply = 0;
s = DOcommand("SITE CCRC", file);
printreply = opr;
if((s / 100) != 2)
return(-1);
sscanf(reply, "%*hu %*s%u%lu", &ccrc, &csize);
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if(ss < 0) return(-1);
lcrc = crc(file);
if(size != csize || size != st.st_size || ccrc != lcrc)
return(-1);
} else
if(ss < 0 && ft == 'd') {
s = mkdir(file, fmode);
printf("mkdir %s\n", file);
} else
if((ss < 0) && (ft == 'b' || ft == 'c' || ft == 'p')) {
s = mknod(file, fmode, maj << 8 | min);
printf("mknod %s %lu %lu\n", file, maj, min);
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} else
return(0);
}
ss = stat(file, &st);
if(ss < 0)
return(-1);
if(st.st_uid != uid || st.st_gid != gid) {
s = chown(file, uid, gid);
printf("chown %lu:%lu %s\n", uid, gid, file);
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}
if(st.st_mode != fmode) {
s = chmod(file, fmode);
printf("chmod %04lo %s\n", fmode, file);
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}
if(st.st_mtime != mtime) {
ut.actime = mtime;
ut.modtime = mtime;
s = utime(file, &ut);
printf("touch -m -t %s %s\n", ttime(mtime), file);
}
return(0);
}
int DOMretr()
{
char *files;
int fd, s;
char *p;
FILE *fp;
char name[32];
if(DOcmdcheck())
return(0);
files = cmdargv[1];
if(cmdargc < 2) {
if(readline("Files: ", line2, sizeof(line2)) < 0)
return(-1);
files = line2;
}
tmpnam(name);
fd = open(name, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if(fd < 0) {
printf("Could not open local file %s. Error %s\n", name, strerror(errno));
return(0);
}
s = DOdata("NLST", files, RETR, fd);
close(fd);
if(s == 226 || s == 250) {
fp = fopen(name, "r");
unlink(name);
if(fp == (FILE *)NULL) {
printf("Unable to open file listing.\n");
return(0);
}
while(fgets(line2, sizeof(line2), fp) != (char *)NULL) {
p = line2 + strlen(line2) - 1;
if(p >= line2 && (*p == '\r' || *p == '\n')) *p-- = '\0';
if(p >= line2 && (*p == '\r' || *p == '\n')) *p-- = '\0';
printf("Retrieving file: %s\n", line2); fflush(stdout);
fd = open(line2, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if(fd < 0)
printf("Unable to open local file %s\n", line2);
else {
s = DOdata("RETR", line2, RETR, fd);
close(fd);
if(s < 0) break;
}
}
fclose(fp);
} else
unlink(name);
return(s);
}
int DOappe()
{
char *file, *remotefile;
int fd;
int s;
if(DOcmdcheck())
return(0);
file = cmdargv[1];
if(cmdargc < 2) {
if(readline("Local File: ", line2, sizeof(line2)) < 0)
return(-1);
file = line2;
}
if(cmdargc < 3)
remotefile = file;
else
remotefile = cmdargv[2];
fd = open(file, O_RDONLY);
if(fd < 0) {
printf("Could not open local file %s. Error %s\n", file, strerror(errno));
return(0);
}
s = DOdata("APPE", remotefile, STOR, fd);
close(fd);
return(s);
}
int DOstor()
{
char *file, *remotefile;
int fd;
int s;
if(DOcmdcheck())
return(0);
file = cmdargv[1];
if(cmdargc < 2) {
if(readline("Local File: ", line2, sizeof(line2)) < 0)
return(-1);
file = line2;
}
if(cmdargc < 3)
remotefile = file;
else
remotefile = cmdargv[2];
fd = open(file, O_RDONLY);
if(fd < 0) {
printf("Could not open local file %s. Error %s\n", file, strerror(errno));
return(0);
}
s = DOdata("STOR", remotefile, STOR, fd);
close(fd);
return(s);
}
int DOrstor()
{
char *file, *remotefile;
int fd;
int s;
off_t filesize, rmtsize;
char restart[16];
if(DOcmdcheck())
return(0);
file = cmdargv[1];
if(cmdargc < 2) {
if(readline("Local File: ", line2, sizeof(line2)) < 0)
return(-1);
file = line2;
}
if(cmdargc < 3)
remotefile = file;
else
remotefile = cmdargv[2];
s = DOcommand("SIZE", remotefile);
if(s != 215)
return(s);
rmtsize = atol(reply+4);
fd = open(file, O_RDONLY);
if(fd < 0) {
printf("Could not open local file %s. Error %s\n", file, strerror(errno));
return(0);
}
if(type == TYPE_A)
filesize = asciisetsize(fd, rmtsize);
else
filesize = lseek(fd, rmtsize, SEEK_SET);
if(filesize != rmtsize) {
printf("Could not set file start of %s\n", file);
close(fd);
return(0);
}
sprintf(restart, "%u", rmtsize);
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s = DOcommand("REST", restart);
if(s != 350) {
close(fd);
return(s);
}
s = DOdata("STOR", remotefile, STOR, fd);
close(fd);
return(s);
}
int DOstou()
{
char *file, *remotefile;
int fd;
int s;
if(DOcmdcheck())
return(0);
file = cmdargv[1];
if(cmdargc < 2) {
if(readline("Local File: ", line2, sizeof(line2)) < 0)
return(-1);
file = line2;
}
if(cmdargc < 3)
remotefile = file;
else
remotefile = cmdargv[2];
fd = open(file, O_RDONLY);
if(fd < 0) {
printf("Could not open local file %s. Error %s\n", file, strerror(errno));
return(0);
}
s = DOdata("STOU", remotefile, STOR, fd);
close(fd);
return(s);
}
int DOMstor()
{
char *files;
char *name;
char *p;
int fd, s;
FILE *fp;
if(DOcmdcheck())
return(0);
files = cmdargv[1];
if(cmdargc < 2) {
if(readline("Files: ", line2, sizeof(line2)) < 0)
return(-1);
files = line2;
}
name = dir(files, 0);
fp = fopen(name, "r");
if(fp == (FILE *)NULL) {
printf("Unable to open listing file.\n");
return(0);
}
while(fgets(line2, sizeof(line2), fp) != (char *)NULL) {
p = line2 + strlen(line2) - 1;
if(p >= line2 && (*p == '\r' || *p == '\n')) *p-- = '\0';
if(p >= line2 && (*p == '\r' || *p == '\n')) *p-- = '\0';
printf("Sending file: %s\n", line2); fflush(stdout);
fd = open(line2, O_RDONLY);
if(fd < 0)
printf("Unable to open local file %s\n", line2);
else {
s = DOdata("STOR", line2, STOR, fd);
close(fd);
if(s < 0) break;
}
}
fclose(fp);
unlink(name);
return(s);
}
static int asciisize(fd, filesize)
int fd;
off_t *filesize;
{
unsigned long count;
char *p, *pp;
int cnt;
count = 0;
while((cnt = read(fd, buffer, sizeof(buffer))) > 0) {
p = buffer; pp = buffer + cnt;
count += cnt;
while(p < pp)
if(*p++ == '\n')
count++;
}
if(cnt == 0) {
*filesize = count;
return(0);
}
return(-1);
}
static off_t asciisetsize(fd, filesize)
int fd;
off_t filesize;
{
off_t sp;
int s;
sp = 0;
while(sp < filesize) {
s = read(fd, buffer, 1);
if(s < 0)
return(-1);
if(s == 0) break;
sp++;
if(*buffer == '\n')
sp++;
}
return(sp);
}
int DOclone()
{
char *files;
int fd, s;
char *p;
FILE *fp;
char name[32];
if(DOcmdcheck())
return(0);
files = cmdargv[1];
tmpnam(name);
fd = open(name, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if(fd < 0) {
printf("Could not open local file %s. Error %s\n", name, strerror(errno));
return(0);
}
s = DOdata("NLST", files, RETR, fd);
close(fd);
if(s == 226 || s == 250) {
fp = fopen(name, "r");
unlink(name);
if(fp == (FILE *)NULL) {
printf("Unable to open file listing.\n");
return(0);
}
while(fgets(line2, sizeof(line2), fp) != (char *)NULL) {
p = line2 + strlen(line2) - 1;
if(p >= line2 && (*p == '\r' || *p == '\n')) *p-- = '\0';
if(p >= line2 && (*p == '\r' || *p == '\n')) *p-- = '\0';
cmdargv[1] = line2;
if(cloneit(line2, 1)) {
printf("Retrieving file: %s\n", line2); fflush(stdout);
fd = open(line2, O_WRONLY | O_CREAT | O_TRUNC, 0666);
if(fd < 0)
printf("Unable to open local file %s\n", line2);
else {
s = DOdata("RETR", line2, RETR, fd);
close(fd);
if(s < 0) break;
}
s = cloneit(line2, 2);
}
}
fclose(fp);
} else
unlink(name);
return(s);
}