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Win32-OpenSSH/scp.c
quamrulmina 102d1ed6b6 scp needs this windows header file for 32bit win32 
shlwapi.h needs to be included to access PathCanonicalize() win32 API
for 32 bit version in Visual Studio 2015.
2015-12-22 18:36:10 -06:00

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/* $OpenBSD: scp.c,v 1.182 2015/04/24 01:36:00 deraadt Exp $ */
/*
* scp - secure remote copy. This is basically patched BSD rcp which
* uses ssh to do the data transfer (instead of using rcmd).
*
* NOTE: This version should NOT be suid root. (This uses ssh to
* do the transfer and ssh has the necessary privileges.)
*
* 1995 Timo Rinne <tri@iki.fi>, Tatu Ylonen <ylo@cs.hut.fi>
*
* As far as I am concerned, the code I have written for this software
* can be used freely for any purpose. Any derived versions of this
* software must be clearly marked as such, and if the derived work is
* incompatible with the protocol description in the RFC file, it must be
* called by a name other than "ssh" or "Secure Shell".
*/
/*
* Copyright (c) 1999 Theo de Raadt. All rights reserved.
* Copyright (c) 1999 Aaron Campbell. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Parts from:
*
* Copyright (c) 1983, 1990, 1992, 1993, 1995
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include "includes.h"
#include <sys/types.h>
#include <sys/param.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef HAVE_POLL_H
#include <poll.h>
#else
# ifdef HAVE_SYS_POLL_H
# include <sys/poll.h>
# endif
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <sys/wait.h>
#include <sys/uio.h>
#include <ctype.h>
#ifndef WIN32_FIXME
#include <dirent.h>
#endif
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <pwd.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#if defined(HAVE_STRNVIS) && defined(HAVE_VIS_H) && !defined(BROKEN_STRNVIS)
#include <vis.h>
#endif
#include "xmalloc.h"
#include "atomicio.h"
#include "pathnames.h"
#include "log.h"
#include "misc.h"
#include "progressmeter.h"
#ifdef WIN32_VS
#include <Shlwapi.h>
#endif
extern char *__progname;
#define COPY_BUFLEN 16384
int do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout);
int do_cmd2(char *host, char *remuser, char *cmd, int fdin, int fdout);
/* Struct for addargs */
arglist args;
arglist remote_remote_args;
/* Bandwidth limit */
long long limit_kbps = 0;
struct bwlimit bwlimit;
/* Name of current file being transferred. */
char *curfile;
/* This is set to non-zero to enable verbose mode. */
int verbose_mode = 0;
/* This is set to zero if the progressmeter is not desired. */
int showprogress = 1;
/*
* This is set to non-zero if remote-remote copy should be piped
* through this process.
*/
int throughlocal = 0;
/* This is the program to execute for the secured connection. ("ssh" or -S) */
char *ssh_program = _PATH_SSH_PROGRAM;
/* This is used to store the pid of ssh_program */
pid_t do_cmd_pid = -1;
#ifdef WIN32_FIXME
typedef BOOL bool;
#define false FALSE
#define true TRUE
char *win32colon(char *);
#define colon win32colon
#ifndef _SH_DENYNO
#define _SH_DENYNO 0x40
#endif
#define HAVE_UTIME_H
#ifdef HAVE_UTIME_H
#include <sys/utime.h>
#if defined(_NEXT_SOURCE) && !defined(_POSIX_SOURCE)
struct utimbuf {
time_t actime;
time_t modtime;
};
#endif /* _NEXT_SOURCE */
#else
struct utimbuf
{
long actime;
long modtime;
};
#endif
#ifndef _PATH_CP
#define _PATH_CP "copy"
//CHECK should we change in NT/2000 to copy ?? #define _PATH_CP "copy"
#endif
#ifndef STDIN_FILENO
#define STDIN_FILENO 0
#endif
#ifndef STDOUT_FILENO
#define STDOUT_FILENO 1
#endif
#ifndef STDERR_FILENO
#define STDERR_FILENO 2
#endif
/* This is set to non-zero to enable verbose mode. */
int scpverbose = 0;
#define SCP_STATISTICS_ENABLED
#define WITH_SCP_STATS
#define SCP_ALL_STATISTICS_ENABLED
/* This is set to non-zero to enable statistics mode. */
#ifdef SCP_STATISTICS_ENABLED
int statistics = 1;
#else /* SCP_STATISTICS_ENABLED */
int statistics = 0;
#endif /* SCP_STATISTICS_ENABLED */
/* This is set to non-zero to enable printing statistics for each file */
#ifdef SCP_ALL_STATISTICS_ENABLED
int all_statistics = 1;
#else /* SCP_ALL_STATISTICS_ENABLED */
int all_statistics = 0;
#endif /* SCP_ALL_STATISTICS_ENABLED */
/* This is set to non-zero if compression is desired. */
int compress = 0;
/* This is set to non-zero if running in batch mode (that is, password
and passphrase queries are not allowed). */
int batchmode = 0;
/* This is to call ssh with argument -P (for using non-privileged
ports to get through some firewalls.) */
int use_privileged_port = 1;
/* This is set to the cipher type string if given on the command line. */
char *cipher = NULL;
/* This is set to the RSA authentication identity file name if given on
the command line. */
char *identity = NULL;
/* This is the port to use in contacting the remote site (is non-NULL). */
char *port = NULL;
/* This is set password if given on the command line. */
char *password = NULL;
int ipv_restrict = 0;
#define ONLY_IPV4 1
#define ONLY_IPV6 2
#ifdef WITH_SCP_STATS
#define SOME_STATS_FILE stderr
#define ssh_max(a,b) (((a) > (b)) ? (a) : (b))
/*unsigned long*/ u_int64_t statbytes = 0;
DWORD stat_starttimems = 0;
time_t stat_starttime = 0;
time_t stat_lasttime = 0;
double ratebs = 0.0;
void stats_fixlen(int bytes);
//char *stat_eta(int secs);
char *stat_eta_new(int msecs);
#endif /* WITH_SCP_STATS */
/* Ssh options */
char **ssh_options = NULL;
size_t ssh_options_cnt = 0;
size_t ssh_options_alloc = 0;
// start: Windows specfic functions
#define S_ISDIR(x) (x & _S_IFDIR)
static int g_RootMode = 0;
#define M_ADMIN 4
CHAR g_HomeDir[MAX_PATH];
CHAR g_FSRoot[MAX_PATH];
int isRootedPath = 0; // set to 1 if we prepend a home root
char *TranslatePath(char *, bool *bDirSpec);
int start_process_io(char *exename, char **argv, char **envv,
HANDLE StdInput, HANDLE StdOutput, HANDLE StdError,
unsigned long CreateFlags, PROCESS_INFORMATION *pi,
char *homedir, char *lpDesktop);
// InitForMicrosoftWindows() will initialize Unix like settings in Windows operating system.
struct passwd pw;
char username[128];
int InitForMicrosoftWindows()
{
int rc;
struct passwd *pwd;
/* Get user\'s passwd structure. We need this for the home directory. */
pwd = &pw ;
rc = sizeof(username);
GetUserName(username,(LPDWORD)&rc);
pwd->pw_name = username;
return 0;
}
// start of direntry functions in Windows NT like UNIX
// opendir(), readdir(), closedir().
// NT_DIR * nt_opendir(char *name) ;
// struct nt_dirent *nt_readdir(NT_DIR *dirp);
// int nt_closedir(NT_DIR *dirp) ;
// Windows NT directory structure content
struct scp_dirent {
char *d_name ; // name of the directory entry
int d_ino; // UNIX inode
//unsigned attrib ; // its attributes
};
typedef struct {
long hFile;
struct _finddata_t c_file;
} SCPDIR;
char * fixslashes(char * str)
{
int i;
if (str == NULL)
return str;
int len = (int)strlen(str);
for (i = 0; i < len; i++)
if (str[i] == '/')
str[i] = '\\';
return str;
}
char * unfixslashes(char * str)
{
int i;
if (str == NULL)
return str;
int len = (int)strlen(str);
for (i = 0; i < len; i++)
if (str[i] == '//')
str[i] = '/';
return str;
}
// force path separator to
char * forcepathsep(char * str, char sep)
{
int i;
// bail if str is null;
if (str == NULL)
return str;
// bail if sep isn't valid
if ((sep != '\\') || (sep != '/'))
return str;
char antisep = '/';
if (sep == '/')
antisep = '\\';
int len = (int)strlen(str);
for (i = 0; i < len; i++)
if (str[i] == antisep)
str[i] = sep;
return str;
}
// get the path separator character
char getpathsep(char * path)
{
char sep = '/';
char * p = strpbrk(path,"/\\");
if (p != NULL)
sep = p[0];
return sep;
}
bool getRootFrompath(char * path, char * root)
{
strcpy(root,path);
char sep = getpathsep(root);
forcepathsep(root,sep);
char * lastslash = strrchr(root,sep);
if (lastslash)
*lastslash = 0x00;
return (lastslash != NULL);
}
/*
* get option letter from argument vector
*/
char * getfilenamefrompath(char * path)
{
char * lastslash;
char * lastbackslash;
lastslash = strrchr(path,'/');
lastbackslash = strrchr(path, '\\');
if (lastslash == NULL && lastbackslash == NULL)
{
// no delimiters, just return the original string
return path;
}
else if (lastslash == NULL)
{
// no slashes, return the backslash search minus the last char
return ++lastbackslash;
}
else if (lastbackslash == NULL)
{
// no backslashes, return the slash search minus the last char
return ++lastslash;
}
else
{
// string has both slashes and backslashes. return whichever is larger
// (i.e. further down the string)
lastslash++;
lastbackslash++;
return ((lastslash > lastbackslash)?lastslash:lastbackslash);
}
return NULL;
}
#define EMSG ""
#define BADCH (int)'~'
int
sgetopt(int nargc,
char * const *nargv,
const char *ostr)
{
static char *place = EMSG; /* option letter processing */
register char *oli; /* option letter list index */
char *p;
extern char *optarg;
extern int optind;
extern int optopt;
extern int opterr;
if (!*place)
{ /* update scanning pointer */
if (optind >= nargc || (*(place = nargv[optind]) != '-'))
{
place = EMSG;
if (optind >= nargc )
return(EOF);
else
return(BADCH);
}
if (place[1] && *++place == '-')
{ /* found "--" */
++optind;
place = EMSG;
return(EOF);
}
} /* option letter okay? */
if ((optopt = (int)*place++) == (int)':' ||
!(oli = strchr((char *)ostr, optopt)))
{
/*
* if the user didn't specify '-' as an option,
* assume it means EOF.
*/
if ((optopt == (int)'-'))
return(EOF);
if (!*place)
++optind;
if (opterr)
{
if (!(p = strrchr(*nargv, '/')))
p = *nargv;
else
++p;
(void)fprintf(stderr, "%s: illegal option -- %c\n",
p, optopt);
}
return(BADCH);
}
if (*++oli != ':')
{ /* don't need argument */
optarg = NULL;
if (!*place)
++optind;
}
else
{ /* need an argument */
if (*place) /* no white space */
optarg = place;
else if (nargc <= ++optind)
{ /* no arg */
place = EMSG;
if (!(p = strrchr(*nargv, '/')))
p = *nargv;
else
++p;
if (opterr)
(void)fprintf(stderr,
"%s: option requires an argument -- %c\n",
p, optopt);
return(BADCH);
}
else /* white space */
optarg = nargv[optind];
place = EMSG;
++optind;
}
return(optopt); /* dump back option letter */
}
/* Open a directory stream on NAME.
Return a SCPDIR stream on the directory, or NULL if it could not be opened. */
SCPDIR * scp_opendir(char *name)
{
struct _finddata_t c_file;
long hFile;
SCPDIR *pdir;
char searchstr[256];
sprintf_s(searchstr,sizeof(searchstr),"%s\\*.*",name); // add *.* to it for NT
if( (hFile = (long)_findfirst( searchstr, &c_file )) == -1L ) {
if ( scpverbose)
printf( "No files found for %s search.\n", name );
return (SCPDIR *) NULL;
}
else {
pdir = (SCPDIR *) malloc( sizeof(SCPDIR) );
pdir->hFile = hFile ;
pdir->c_file = c_file ;
return pdir ;
}
}
/* Close the directory stream SCPDIRP.
Return 0 if successful, -1 if not. */
int closedir(SCPDIR *dirp)
{
if ( dirp && (dirp->hFile) ) {
_findclose( dirp->hFile );
dirp->hFile = 0;
free (dirp);
}
return 0;
}
/* Read a directory entry from SCPDIRP.
Return a pointer to a `struct scp_dirent' describing the entry,
or NULL for EOF or error. The storage returned may be overwritten
by a later readdir call on the same SCPDIR stream. */
struct scp_dirent *readdir(SCPDIR *dirp)
{
struct scp_dirent *pdirentry;
for (;;) {
if ( _findnext( dirp->hFile, &(dirp->c_file) ) == 0 ) {
if ( ( strcmp (dirp->c_file.name,".") == 0 ) ||
( strcmp (dirp->c_file.name,"..") == 0 ) ) {
continue ;
}
pdirentry = (struct scp_dirent *)malloc( sizeof(struct scp_dirent) );
pdirentry->d_name = dirp->c_file.name ;
pdirentry->d_ino = 1; // a fictious one like UNIX to say it is nonzero
return pdirentry ;
}
else {
return (struct scp_dirent *) NULL;
}
}
}
int _utimedir (char *name, struct _utimbuf *filetime)
{
int rc, chandle;
HANDLE hFile;
hFile = CreateFile( name,
GENERIC_WRITE,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS,
NULL );
if ( hFile != INVALID_HANDLE_VALUE ) {
chandle = _open_osfhandle ( (intptr_t)hFile, 0 );
rc=_futime(chandle,filetime); // update access time to what we want
_close(chandle);
CloseHandle(hFile);
}
return rc;
}
// end of direntry functions
HANDLE hprocess=(HANDLE) 0; // we made it a global to stop child process(ssh) of scp
#else
static void
killchild(int signo)
{
if (do_cmd_pid > 1) {
kill(do_cmd_pid, signo ? signo : SIGTERM);
waitpid(do_cmd_pid, NULL, 0);
}
if (signo)
_exit(1);
exit(1);
}
static void
suspchild(int signo)
{
int status;
if (do_cmd_pid > 1) {
kill(do_cmd_pid, signo);
while (waitpid(do_cmd_pid, &status, WUNTRACED) == -1 &&
errno == EINTR)
;
kill(getpid(), SIGSTOP);
}
}
#endif
static int
do_local_cmd(arglist *a)
{
u_int i;
int status;
pid_t pid;
if (a->num == 0)
fatal("do_local_cmd: no arguments");
if (verbose_mode) {
fprintf(stderr, "Executing:");
for (i = 0; i < a->num; i++)
fprintf(stderr, " %s", a->list[i]);
fprintf(stderr, "\n");
}
#ifdef WIN32_FIXME
// flatten the cmd into a long space separated string and execute using system(cmd) api
char cmdstr[2048] ;
cmdstr[0] = '\0' ;
for (i = 0; i < a->num; i++) {
strcat (cmdstr, a->list[i]);
strcat (cmdstr, " ");
}
if (system(cmdstr))
return (-1); // failure executing
return (0); // success
#else
if ((pid = fork()) == -1)
fatal("do_local_cmd: fork: %s", strerror(errno));
if (pid == 0) {
execvp(a->list[0], a->list);
perror(a->list[0]);
exit(1);
}
do_cmd_pid = pid;
signal(SIGTERM, killchild);
signal(SIGINT, killchild);
signal(SIGHUP, killchild);
while (waitpid(pid, &status, 0) == -1)
if (errno != EINTR)
fatal("do_local_cmd: waitpid: %s", strerror(errno));
do_cmd_pid = -1;
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
return (-1);
return (0);
#endif
}
/*
* This function executes the given command as the specified user on the
* given host. This returns < 0 if execution fails, and >= 0 otherwise. This
* assigns the input and output file descriptors on success.
*/
int
do_cmd(char *host, char *remuser, char *cmd, int *fdin, int *fdout)
{
#ifdef WIN32_FIXME
size_t i, j;
HANDLE hSaveStdout, hSaveStdin ;
HANDLE hstdout[2], hstdin[2] ;
PROCESS_INFORMATION pi;
SECURITY_ATTRIBUTES sa ; /* simple */
int rc;
HANDLE rfdfromssh, wfdtossh ;
char *args[256];
if (verbose_mode)
fprintf(stderr, "Executing: host %s, user %s, command %s\n",
host, remuser ? remuser : "(unspecified)", cmd);
// Child code in Windows OS will be a new created process of ssh.exe.
// Child to execute the command on the remote host using ssh.
if (1) { // No fork in Windows OS, so we code it such that we use CreateProcess()
i = 0;
args[i++] = ssh_program;
size_t len;
for(j = 0; j < ssh_options_cnt; j++) {
args[i++] = "-o";
//args[i++] = ssh_options[j];
len = strlen(ssh_options[j])+3;
args[i] = (char *) malloc(len); // add quotes
strcpy_s(args[i],len, "\"");
strcat_s(args[i],len, ssh_options[j]);
strcat_s(args[i],len, "\"");
i++ ;
if (i > 250)
fatal("Too many -o options (total number of arguments is more than 256)");
}
args[i++] = "-x";
args[i++] = "-a";
args[i++] = "\"-oFallBackToRsh no\""; // extra double quote needed for
// Windows platforms
//7/2/2001 args[i++] = "\"-oClearAllForwardings yes\"";
if (verbose_mode)
args[i++] = "-v";
if (compress)
args[i++] = "-C";
if (!use_privileged_port)
args[i++] = "-P";
if (batchmode)
args[i++] = "\"-oBatchMode yes\"";
if (password != NULL)
{
args[i++] = "-A";
args[i++] = password;
}
if (cipher != NULL)
{
args[i++] = "-c";
args[i++] = cipher;
}
if (identity != NULL)
{
args[i++] = "-i";
args[i++] = identity;
}
if (port != NULL)
{
args[i++] = "-p";
args[i++] = port;
}
if (remuser != NULL)
{
args[i++] = "-l";
args[i++] = remuser;
}
if (ipv_restrict == ONLY_IPV4)
args[i++] = "-4";
if (ipv_restrict == ONLY_IPV6)
args[i++] = "-6";
args[i++] = host;
args[i++] = cmd;
args[i++] = NULL;
// Create a pair of pipes for communicating with ssh
// which we will spawn
// Do the plunmbing so that child ssh process to be spawned has its
// standard input from the pout[0] and its standard output going to
// pin[1]
sa.nLength = sizeof(SECURITY_ATTRIBUTES);
sa.bInheritHandle = TRUE ; /* pipe handles to be inherited */
sa.lpSecurityDescriptor = NULL;
/* command processor output redirected to a nameless pipe */
rc = CreatePipe ( &hstdout[0], &hstdout[1], &sa, 0 ) ;
/* read from this fd to get data from ssh.exe*/
// make scp's pipe read handle not inheritable by ssh
rc = DuplicateHandle(GetCurrentProcess(), hstdout[0],
GetCurrentProcess(), (PHANDLE) &rfdfromssh,
0, // this parm ignored if DUPLICATE_SAME_ACCESS below
FALSE, // not inherited
DUPLICATE_SAME_ACCESS);
CloseHandle(hstdout[0]); // this CloseHandle() is a crucial must do
hstdout[0] = rfdfromssh ;
*fdin = _open_osfhandle((intptr_t)hstdout[0],0);
_setmode (*fdin, O_BINARY); // set this file handle for binary I/O
rc = CreatePipe ( &hstdin[0], &hstdin[1], &sa, 0 ) ;
/* write to this fd to get data into ssh.exe*/
// make scp's pipe write handle not inheritable by ssh
rc = DuplicateHandle(GetCurrentProcess(), hstdin[1],
GetCurrentProcess(), (PHANDLE) &wfdtossh,
0, // this parm ignored if DUPLICATE_SAME_ACCESS below
FALSE, // not inherited
DUPLICATE_SAME_ACCESS);
CloseHandle(hstdin[1]); // this CloseHandle() is a crucial must do
hstdin[1] = (HANDLE) wfdtossh ;
*fdout = _open_osfhandle((intptr_t)hstdin[1],0);
_setmode (*fdout, O_BINARY); // set this file handle for binary I/O
hSaveStdout = GetStdHandle(STD_OUTPUT_HANDLE);
//hSaveStderr = GetStdHandle(STD_ERROR_HANDLE);
hSaveStdin = GetStdHandle(STD_INPUT_HANDLE);
// Set a write handle to the pipe to be STDOUT.
SetStdHandle(STD_OUTPUT_HANDLE, hstdout[1]);
// Set a write handle to the pipe to be STDERR.
//SetStdHandle(STD_ERROR_HANDLE, hstdout[1]);
// Set a input handle to the pipe to be STDIN.
SetStdHandle(STD_INPUT_HANDLE, hstdin[0]);
// start the child process(ssh)
rc = start_process_io(
NULL, /* executable name with .ext found in argv[0] */
&args[0], /* argv */
NULL ,
hstdin[0], /* std input for cmd.exe */
hstdout[1], /* std output for cmd.exe */
GetStdHandle(STD_ERROR_HANDLE), //hstdout[1], /* std error for cmd.exe */
0, // dwStartupFlags,
&pi,
NULL, /* current directory is default directory we set before */
NULL
);
if (!rc) {
printf("%s could not be started\n", ssh_program);
exit(1);
}
else {
hprocess = pi.hProcess ;
}
// After process creation, restore the saved STDOUT and STDERR.
SetStdHandle(STD_OUTPUT_HANDLE, hSaveStdout);
//SetStdHandle(STD_ERROR_HANDLE, hSaveStderr);
SetStdHandle(STD_INPUT_HANDLE, hSaveStdin);
/* now close the pipe's side that the ssh.exe will use as write handle */
CloseHandle(hstdout[1]) ;
/* now close the pipe's side that the ssh.exe will use as read handle */
CloseHandle(hstdin[0]) ;
}
// update passed variables with where other funstions should read and write
// from to get I/O from above child process over pipe.
//*fdout = remout;
//*fdin = remin;
return 0;
#else
int pin[2], pout[2], reserved[2];
if (verbose_mode)
fprintf(stderr,
"Executing: program %s host %s, user %s, command %s\n",
ssh_program, host,
remuser ? remuser : "(unspecified)", cmd);
/*
* Reserve two descriptors so that the real pipes won't get
* descriptors 0 and 1 because that will screw up dup2 below.
*/
if (pipe(reserved) < 0)
fatal("pipe: %s", strerror(errno));
/* Create a socket pair for communicating with ssh. */
if (pipe(pin) < 0)
fatal("pipe: %s", strerror(errno));
if (pipe(pout) < 0)
fatal("pipe: %s", strerror(errno));
/* Free the reserved descriptors. */
close(reserved[0]);
close(reserved[1]);
signal(SIGTSTP, suspchild);
signal(SIGTTIN, suspchild);
signal(SIGTTOU, suspchild);
/* Fork a child to execute the command on the remote host using ssh. */
do_cmd_pid = fork();
if (do_cmd_pid == 0) {
/* Child. */
close(pin[1]);
close(pout[0]);
dup2(pin[0], 0);
dup2(pout[1], 1);
close(pin[0]);
close(pout[1]);
replacearg(&args, 0, "%s", ssh_program);
if (remuser != NULL) {
addargs(&args, "-l");
addargs(&args, "%s", remuser);
}
addargs(&args, "--");
addargs(&args, "%s", host);
addargs(&args, "%s", cmd);
execvp(ssh_program, args.list);
perror(ssh_program);
exit(1);
} else if (do_cmd_pid == -1) {
fatal("fork: %s", strerror(errno));
}
/* Parent. Close the other side, and return the local side. */
close(pin[0]);
*fdout = pin[1];
close(pout[1]);
*fdin = pout[0];
signal(SIGTERM, killchild);
signal(SIGINT, killchild);
signal(SIGHUP, killchild);
return 0;
#endif
}
/*
* This functions executes a command simlar to do_cmd(), but expects the
* input and output descriptors to be setup by a previous call to do_cmd().
* This way the input and output of two commands can be connected.
*/
int
do_cmd2(char *host, char *remuser, char *cmd, int fdin, int fdout)
{
#ifndef WIN32_FIXME
pid_t pid;
int status;
if (verbose_mode)
fprintf(stderr,
"Executing: 2nd program %s host %s, user %s, command %s\n",
ssh_program, host,
remuser ? remuser : "(unspecified)", cmd);
/* Fork a child to execute the command on the remote host using ssh. */
pid = fork();
if (pid == 0) {
dup2(fdin, 0);
dup2(fdout, 1);
replacearg(&args, 0, "%s", ssh_program);
if (remuser != NULL) {
addargs(&args, "-l");
addargs(&args, "%s", remuser);
}
addargs(&args, "--");
addargs(&args, "%s", host);
addargs(&args, "%s", cmd);
execvp(ssh_program, args.list);
perror(ssh_program);
exit(1);
} else if (pid == -1) {
fatal("fork: %s", strerror(errno));
}
while (waitpid(pid, &status, 0) == -1)
if (errno != EINTR)
fatal("do_cmd2: waitpid: %s", strerror(errno));
#endif
return 0;
}
typedef struct {
size_t cnt;
char *buf;
} BUF;
BUF *allocbuf(BUF *, int, int);
void lostconn(int);
int okname(char *);
void run_err(const char *,...);
void verifydir(char *);
struct passwd *pwd;
uid_t userid;
int errs, remin, remout;
int pflag, iamremote, iamrecursive, targetshouldbedirectory;
#define CMDNEEDS 64
char cmd[CMDNEEDS]; /* must hold "rcp -r -p -d\0" */
int response(void);
#ifdef WIN32_FIXME
void rsource(char *, struct _stati64 *);
#else
void rsource(char *, struct stat *);
#endif
void sink(int, char *[]);
void source(int, char *[]);
void tolocal(int, char *[]);
void toremote(char *, int, char *[]);
void usage(void);
int
main(int argc, char **argv)
{
int ch, fflag, tflag, status, n;
char *targ, **newargv;
const char *errstr;
extern char *optarg;
extern int optind;
/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
#ifndef WIN32_FIXME
sanitise_stdfd();
#endif
/* Copy argv, because we modify it */
newargv = xcalloc(MAX(argc + 1, 1), sizeof(*newargv));
for (n = 0; n < argc; n++)
newargv[n] = xstrdup(argv[n]);
argv = newargv;
__progname = ssh_get_progname(argv[0]);
memset(&args, '\0', sizeof(args));
memset(&remote_remote_args, '\0', sizeof(remote_remote_args));
args.list = remote_remote_args.list = NULL;
addargs(&args, "%s", ssh_program);
addargs(&args, "-x");
addargs(&args, "-oForwardAgent=no");
addargs(&args, "-oPermitLocalCommand=no");
addargs(&args, "-oClearAllForwardings=yes");
fflag = tflag = 0;
while ((ch = getopt(argc, argv, "dfl:prtvBCc:i:P:q12346S:o:F:")) != -1)
switch (ch) {
/* User-visible flags. */
case '1':
case '2':
case '4':
case '6':
case 'C':
addargs(&args, "-%c", ch);
addargs(&remote_remote_args, "-%c", ch);
break;
case '3':
throughlocal = 1;
break;
case 'o':
case 'c':
case 'i':
case 'F':
addargs(&remote_remote_args, "-%c", ch);
addargs(&remote_remote_args, "%s", optarg);
addargs(&args, "-%c", ch);
addargs(&args, "%s", optarg);
break;
case 'P':
addargs(&remote_remote_args, "-p");
addargs(&remote_remote_args, "%s", optarg);
addargs(&args, "-p");
addargs(&args, "%s", optarg);
break;
case 'B':
addargs(&remote_remote_args, "-oBatchmode=yes");
addargs(&args, "-oBatchmode=yes");
break;
case 'l':
limit_kbps = strtonum(optarg, 1, 100 * 1024 * 1024,
&errstr);
if (errstr != NULL)
usage();
limit_kbps *= 1024; /* kbps */
bandwidth_limit_init(&bwlimit, limit_kbps, COPY_BUFLEN);
break;
case 'p':
pflag = 1;
break;
case 'r':
iamrecursive = 1;
break;
case 'S':
ssh_program = xstrdup(optarg);
break;
case 'v':
addargs(&args, "-v");
addargs(&remote_remote_args, "-v");
verbose_mode = 1;
break;
case 'q':
addargs(&args, "-q");
addargs(&remote_remote_args, "-q");
showprogress = 0;
break;
/* Server options. */
case 'd':
targetshouldbedirectory = 1;
break;
case 'f': /* "from" */
iamremote = 1;
fflag = 1;
break;
case 't': /* "to" */
iamremote = 1;
tflag = 1;
#ifdef HAVE_CYGWIN
setmode(0, O_BINARY);
#endif
break;
default:
usage();
}
argc -= optind;
argv += optind;
#ifndef WIN32_FIXME
if ((pwd = getpwuid(userid = getuid())) == NULL)
fatal("unknown user %u", (u_int) userid);
#else
InitForMicrosoftWindows(); // picks the username, user home dir
#endif
if (!isatty(STDOUT_FILENO))
showprogress = 0;
remin = STDIN_FILENO;
remout = STDOUT_FILENO;
#ifdef WIN32_FIXME
_setmode(remin,O_BINARY); // needed for Windows OS to avoid CrLf translations of text mode
_setmode(remout,O_BINARY);
#endif
if (fflag) {
/* Follow "protocol", send data. */
(void) response();
source(argc, argv);
exit(errs != 0);
}
if (tflag) {
/* Receive data. */
sink(argc, argv);
exit(errs != 0);
}
if (argc < 2)
usage();
if (argc > 2)
targetshouldbedirectory = 1;
remin = remout = -1;
do_cmd_pid = -1;
/* Command to be executed on remote system using "ssh". */
(void) snprintf(cmd, sizeof cmd, "scp%s%s%s%s",
verbose_mode ? " -v" : "",
iamrecursive ? " -r" : "", pflag ? " -p" : "",
targetshouldbedirectory ? " -d" : "");
#ifndef WIN32_FIXME
(void) signal(SIGPIPE, lostconn);
#endif
if ((targ = colon(argv[argc - 1]))) /* Dest is remote host. */
toremote(targ, argc, argv);
else {
if (targetshouldbedirectory)
verifydir(argv[argc - 1]);
tolocal(argc, argv); /* Dest is local host. */
}
/*
* Finally check the exit status of the ssh process, if one was forked
* and no error has occurred yet
*/
#ifndef WIN32_FIXME
if (do_cmd_pid != -1 && errs == 0) {
if (remin != -1)
(void) close(remin);
if (remout != -1)
(void) close(remout);
if (waitpid(do_cmd_pid, &status, 0) == -1)
errs = 1;
else {
if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
errs = 1;
}
}
#endif
exit(errs != 0);
}
/* Callback from atomicio6 to update progress meter and limit bandwidth */
static int
scpio(void *_cnt, size_t s)
{
off_t *cnt = (off_t *)_cnt;
*cnt += s;
if (limit_kbps > 0)
bandwidth_limit(&bwlimit, s);
return 0;
}
static int
do_times(int fd, int verb, const struct stat *sb)
{
/* strlen(2^64) == 20; strlen(10^6) == 7 */
char buf[(20 + 7 + 2) * 2 + 2];
(void)snprintf(buf, sizeof(buf), "T%llu 0 %llu 0\n",
(unsigned long long) (sb->st_mtime < 0 ? 0 : sb->st_mtime),
(unsigned long long) (sb->st_atime < 0 ? 0 : sb->st_atime));
if (verb) {
fprintf(stderr, "File mtime %lld atime %lld\n",
(long long)sb->st_mtime, (long long)sb->st_atime);
fprintf(stderr, "Sending file timestamps: %s", buf);
}
(void) atomicio(vwrite, fd, buf, strlen(buf));
return (response());
}
void
toremote(char *targ, int argc, char **argv)
{
char *bp, *host, *src, *suser, *thost, *tuser, *arg;
arglist alist;
int i;
u_int j;
memset(&alist, '\0', sizeof(alist));
alist.list = NULL;
*targ++ = 0;
if (*targ == 0)
targ = ".";
arg = xstrdup(argv[argc - 1]);
if ((thost = strrchr(arg, '@'))) {
/* user@host */
*thost++ = 0;
tuser = arg;
if (*tuser == '\0')
tuser = NULL;
} else {
thost = arg;
tuser = NULL;
}
if (tuser != NULL && !okname(tuser)) {
free(arg);
return;
}
for (i = 0; i < argc - 1; i++) {
src = colon(argv[i]);
if (src && throughlocal) { /* extended remote to remote */
*src++ = 0;
if (*src == 0)
src = ".";
host = strrchr(argv[i], '@');
if (host) {
*host++ = 0;
host = cleanhostname(host);
suser = argv[i];
if (*suser == '\0')
suser = pwd->pw_name;
else if (!okname(suser))
continue;
} else {
host = cleanhostname(argv[i]);
suser = NULL;
}
xasprintf(&bp, "%s -f %s%s", cmd,
*src == '-' ? "-- " : "", src);
if (do_cmd(host, suser, bp, &remin, &remout) < 0)
exit(1);
free(bp);
host = cleanhostname(thost);
xasprintf(&bp, "%s -t %s%s", cmd,
*targ == '-' ? "-- " : "", targ);
if (do_cmd2(host, tuser, bp, remin, remout) < 0)
exit(1);
free(bp);
(void) close(remin);
(void) close(remout);
remin = remout = -1;
} else if (src) { /* standard remote to remote */
freeargs(&alist);
addargs(&alist, "%s", ssh_program);
addargs(&alist, "-x");
addargs(&alist, "-oClearAllForwardings=yes");
addargs(&alist, "-n");
for (j = 0; j < remote_remote_args.num; j++) {
addargs(&alist, "%s",
remote_remote_args.list[j]);
}
*src++ = 0;
if (*src == 0)
src = ".";
host = strrchr(argv[i], '@');
if (host) {
*host++ = 0;
host = cleanhostname(host);
suser = argv[i];
if (*suser == '\0')
suser = pwd->pw_name;
else if (!okname(suser))
continue;
addargs(&alist, "-l");
addargs(&alist, "%s", suser);
} else {
host = cleanhostname(argv[i]);
}
addargs(&alist, "--");
addargs(&alist, "%s", host);
addargs(&alist, "%s", cmd);
addargs(&alist, "%s", src);
addargs(&alist, "%s%s%s:%s",
tuser ? tuser : "", tuser ? "@" : "",
thost, targ);
if (do_local_cmd(&alist) != 0)
errs = 1;
} else { /* local to remote */
if (remin == -1) {
xasprintf(&bp, "%s -t %s%s", cmd,
*targ == '-' ? "-- " : "", targ);
host = cleanhostname(thost);
if (do_cmd(host, tuser, bp, &remin,
&remout) < 0)
exit(1);
if (response() < 0)
exit(1);
free(bp);
}
source(1, argv + i);
}
}
free(arg);
}
void
tolocal(int argc, char **argv)
{
char *bp, *host, *src, *suser;
arglist alist;
int i;
memset(&alist, '\0', sizeof(alist));
alist.list = NULL;
for (i = 0; i < argc - 1; i++) {
if (!(src = colon(argv[i]))) { /* Local to local. */
#ifndef WIN32_FIXME
freeargs(&alist);
addargs(&alist, "%s", _PATH_CP);
if (iamrecursive)
addargs(&alist, "-r");
if (pflag)
addargs(&alist, "-p");
addargs(&alist, "--");
addargs(&alist, "%s", argv[i]);
addargs(&alist, "%s", argv[argc-1]);
if (do_local_cmd(&alist))
++errs;
#endif
continue;
}
*src++ = 0;
if (*src == 0)
src = ".";
if ((host = strrchr(argv[i], '@')) == NULL) {
host = argv[i];
suser = NULL;
} else {
*host++ = 0;
suser = argv[i];
if (*suser == '\0')
suser = pwd->pw_name;
}
host = cleanhostname(host);
xasprintf(&bp, "%s -f %s%s",
cmd, *src == '-' ? "-- " : "", src);
if (do_cmd(host, suser, bp, &remin, &remout) < 0) {
free(bp);
++errs;
continue;
}
free(bp);
sink(1, argv + argc - 1);
(void) close(remin);
remin = remout = -1;
}
}
#ifdef WIN32_FIXME
void
source(int argc, char *argv[])
{
struct _stati64 stb;
static BUF buffer;
BUF *bp;
off_t i;
int haderr;
size_t amt, indx, result;
int fd;
char *last, *name, buf[16384];
unsigned short locfmode;
char * originalname = NULL;
char aggregatePath[MAX_PATH] = "";
char * pArgPath;
bool bDirSpec = false;
char * filenames[1024];
int numfiles = 0;
WIN32_FIND_DATA FindFileData;
HANDLE hFind;
char FileRoot[MAX_PATH];
bool bHasRoot = false;
for (indx = 0; indx < (size_t)argc; ++indx) {
if (strchr(argv[indx],'*'))
{
bHasRoot = getRootFrompath(argv[indx],FileRoot);
if (1){//!iamremote) {
hFind = FindFirstFile(argv[indx], &FindFileData);
if (hFind != INVALID_HANDLE_VALUE){
do {
if (!(FindFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
if (bHasRoot)
{
filenames[numfiles] = (char *)malloc(MAX_PATH);
sprintf(filenames[numfiles++],"%s/%s",FileRoot,FindFileData.cFileName);
}
else
filenames[numfiles++] = strdup(FindFileData.cFileName);
if (numfiles >= 1024)
{
break;
}
}
while (FindNextFile(hFind,&FindFileData));
FindClose(hFind);
}
}
// expand
}
else
filenames[numfiles++] = strdup(argv[indx]);
if (numfiles >= 1024)
break;
}
// loop through filenames list
for (indx = 0; indx < (size_t)numfiles; ++indx) {
{
pArgPath = filenames[indx];
}
originalname = pArgPath;
name = TranslatePath(pArgPath, &bDirSpec);
if (name == NULL)
{
// strerror_s(buf, EPERM);
strerror_s(buf, sizeof(buf), ENOENT);
run_err("%s: %s", pArgPath, buf);
continue;
}
if (_sopen_s(&fd, name, O_RDONLY | O_BINARY, _SH_DENYNO, 0) != 0) {
// in NT, we have to check if it is a directory
if (_stati64(name, &stb) >= 0) {
goto switchpoint;
}
else
goto syserr;
}
if (_fstati64(fd, &stb) < 0) {
syserr:
strerror_s(buf, sizeof(buf), errno);
run_err("%s: %s", originalname, buf);
goto next;
}
switchpoint:
switch (stb.st_mode & _S_IFMT) {
case _S_IFREG:
break;
case _S_IFDIR:
if (iamrecursive) {
rsource(name, &stb);
goto next;
}
/* FALLTHROUGH */
default:
run_err("%s: not a regular file", name);
goto next;
}
last = getfilenamefrompath(originalname);
if (pflag) {
/*
* Make it compatible with possible future
* versions expecting microseconds.
*/
(void)sprintf_s(buf, sizeof(buf), "T%lu 0 %lu 0\n",
(unsigned long)stb.st_mtime,
(unsigned long)stb.st_atime);
(void)_write(remout, buf, (unsigned int)strlen(buf));
if (response() < 0)
goto next;
}
//CHECK #define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO)
//#define FILEMODEMASK (S_IRWXU|S_IRWXG|S_IRWXO)
#define FILEMODEMASK (S_IREAD|S_IWRITE|S_IEXEC)
locfmode = stb.st_mode & FILEMODEMASK;
locfmode |= ((locfmode & _S_IREAD) >> 3); // group access, just read bit now
locfmode |= ((locfmode & _S_IREAD) >> 6); // world access, just read bit now
(void)sprintf_s(buf, sizeof(buf), "C%04o %I64u %s\n",
(unsigned int)(locfmode), //(stb.st_mode & FILEMODEMASK),
(u_int64_t)stb.st_size,
last);
if (scpverbose)
{
fprintf(stderr, "Sending file modes: %s", buf);
fflush(stderr);
}
(void)_write(remout, buf, (unsigned int)strlen(buf));
if (response() < 0)
goto next;
if ((bp = allocbuf(&buffer, fd, 16384)) == NULL) {
next: if (fd != -1) (void)_close(fd);
continue;
}
#ifdef WITH_SCP_STATS
if (!iamremote && statistics)
{
statbytes = 0;
ratebs = 0.0;
stat_starttime = time(NULL);
stat_starttimems = GetTickCount();
}
#endif /* WITH_SCP_STATS */
/* Keep writing after an error so that we stay sync'd up. */
for (haderr = 0, i = 0; i < (size_t)stb.st_size; i += bp->cnt) {
amt = bp->cnt;
if (i + amt > (size_t)stb.st_size)
amt = (size_t)(stb.st_size - i);
if (!haderr) {
result = _read(fd, bp->buf, (unsigned int)amt);
if (result != amt)
haderr = result >= 0 ? EIO : errno;
}
if (haderr)
{
(void)_write(remout, bp->buf, (unsigned int)amt);
#ifdef WITH_SCP_STATS
if (!iamremote && statistics)
{
if ((time(NULL) - stat_lasttime) > 0)
{
int bwritten;
bwritten = fprintf(SOME_STATS_FILE,
"\r%s : ERROR..continuing to end of file anyway", last);
stats_fixlen(bwritten);
fflush(SOME_STATS_FILE);
stat_lasttime = time(NULL);
}
}
#endif /* WITH_SCP_STATS */
}
else {
result = _write(remout, bp->buf, (unsigned int)amt);
if (result != amt)
haderr = result >= 0 ? EIO : errno;
#ifdef WITH_SCP_STATS
if (!iamremote && statistics)
{
statbytes += result;
/* At least one second delay between
outputs, or if finished */
if (time(NULL) - stat_lasttime > 0 ||
//(result + i) == stb.st_size)
statbytes == stb.st_size)
{
int bwritten;
if (time(NULL) == stat_starttime)
{
stat_starttime -= 1;
// stat_starttimems -= 1000;
}
ratebs = ssh_max(1.0,
(double) statbytes /
(time(NULL) -
stat_starttime));
bwritten =
fprintf(SOME_STATS_FILE,
"\r%-25.25s | %10I64d KB | %7.1f kB/s | %s | %3d%%",
last,
statbytes / 1024,
ratebs / 1024,
stat_eta_new((int) ( GetTickCount() - stat_starttimems)),
//stat_eta((int) ( time(NULL) - stat_starttime)),
(int) (100.0 *
(double) statbytes /
stb.st_size));
if (all_statistics && /*(result + i)*/ statbytes ==
stb.st_size)
bwritten += fprintf(SOME_STATS_FILE,
"\n");
fflush(SOME_STATS_FILE);
stats_fixlen(bwritten);
stat_lasttime = time(NULL);
}
}
#endif /* WITH_SCP_STATS */
}
}
if (_close(fd) < 0 && !haderr)
haderr = errno;
if (!haderr)
(void)_write(remout, "", 1);
else
{
strerror_s(buf, sizeof(buf), haderr);
run_err("%s: %s", originalname, buf);
}
(void)response();
}
int ii;
if (numfiles > 0)
for (ii = 0;ii<numfiles;ii++)
free(filenames[ii]);
}
void rsource(char *name, struct _stati64 *statp)
{
SCPDIR *dirp;
struct scp_dirent *dp;
char *last, *vect[1], path[1100];
unsigned short locfmode;
if (!(dirp = scp_opendir(name))) {
char buf[256];
strerror_s(buf, sizeof(buf), errno);
run_err("%s: %s", name, buf);
return;
}
last = getfilenamefrompath(name);
if (pflag) {
(void)sprintf_s(path, sizeof(path), "T%lu 0 %lu 0\n",
(unsigned long)statp->st_mtime,
(unsigned long)statp->st_atime);
(void)_write(remout, path, (unsigned int)strlen(path));
if (response() < 0) {
closedir(dirp);
return;
}
}
locfmode = statp->st_mode & FILEMODEMASK;
locfmode |= ((locfmode & (_S_IREAD | _S_IEXEC)) >> 3); // group access, read,exec bit now
locfmode |= ((locfmode & (_S_IREAD | _S_IEXEC)) >> 6); // world access, read,exec bit now
(void)sprintf_s(path, sizeof(path),
"D%04o %d %.1024s\n", (unsigned int)(locfmode),
0, last);
if (scpverbose)
fprintf(stderr, "Entering directory: %s", path);
(void)_write(remout, path, (unsigned int)strlen(path));
if (response() < 0) {
closedir(dirp);
return;
}
while ((dp = readdir(dirp))) {
//if (dp->d_ino == 0) //commented out as not needed
// continue;
if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
continue;
if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) {
run_err("%s/%s: name too long", name, dp->d_name);
continue;
}
(void)sprintf_s(path, sizeof(path), "%s/%s", name, dp->d_name);
vect[0] = path;
source(1, vect);
}
(void)closedir(dirp);
(void)_write(remout, "E\n", 2);
(void)response();
}
void sink(int argc, char *argv[])
{
// DWORD dwread;
static BUF buffer;
struct _stati64 stb;
enum { YES, NO, DISPLAYED } wrerr;
BUF *bp;
size_t i, j, size;
size_t amt, count, exists, first;
int mask, mode, ofd, omode;
int setimes, targisdir, wrerrno = 0;
char ch, *cp, *np, *targ, *why, *vect[1], buf[16384];
char aggregatePath[MAX_PATH] = "";
struct _utimbuf ut;
int dummy_usec;
bool bDirSpec = false;
#ifdef WITH_SCP_STATS
char *statslast;
#endif /* WITH_SCP_STATS */
#define SCREWUP(str) { why = str; goto screwup; }
setimes = targisdir = 0;
_umask_s(0, &mask);
int oldmask;
if (!pflag)
_umask_s(mask,&oldmask);
if (argc != 1) {
if (!iamremote)
{
run_err("ambiguous target");
exit(1);
}
int i;
for (i = 0; i<argc; i++)
{
if (i != 0)
strcat_s(aggregatePath,MAX_PATH," ");
strcat_s(aggregatePath,MAX_PATH,argv[i]);
}
targ = TranslatePath(aggregatePath,&bDirSpec);
}
else
{
targ = TranslatePath(*argv,&bDirSpec);
}
if (targ == NULL)
{
//strerror_s(buf, EPERM);
strerror_s(buf, sizeof(buf), ENOENT);
run_err("%s: %s", *argv, buf);
return;
}
if (targetshouldbedirectory || bDirSpec)
verifydir(targ);
(void)_write(remout, "", 1);
if (_stati64(targ, &stb) == 0 && S_ISDIR(stb.st_mode))
targisdir = 1;
for (first = 1;; first = 0) {
keepgoing:
cp = buf;
if (_read(remin, cp, 1) <= 0) {
return;
}
if (*cp++ == '\n')
SCREWUP("unexpected <newline>");
do {
if (_read(remin, &ch, sizeof(ch)) != sizeof(ch))
SCREWUP("lost connection");
*cp++ = ch;
} while (cp < &buf[sizeof(buf) - 1] && ch != '\n');
*cp = 0;
if (buf[0] == '\01' || buf[0] == '\02') {
if (iamremote == 0)
(void)_write(STDERR_FILENO,
buf + 1, (unsigned int)strlen(buf + 1));
if (buf[0] == '\02')
exit(1);
++errs;
continue;
}
if (buf[0] == 'E') {
(void)_write(remout, "", 1);
return;
}
if (ch == '\n')
*--cp = 0;
#define getnum(t) (t) = 0; \
while (*cp >= '0' && *cp <= '9') (t) = (t) * 10 + (*cp++ - '0');
cp = buf;
if (*cp == 'T') {
setimes++;
cp++;
getnum(ut.modtime);
if (*cp++ != ' ')
SCREWUP("mtime.sec not delimited");
getnum(dummy_usec);
if (*cp++ != ' ')
SCREWUP("mtime.usec not delimited");
getnum(ut.actime);
if (*cp++ != ' ')
SCREWUP("atime.sec not delimited");
getnum(dummy_usec);
if (*cp++ != '\0')
SCREWUP("atime.usec not delimited");
(void)_write(remout, "", 1);
goto keepgoing; // added 5/3/2001 by QI for -p not working !!!
// in place of next continue commented out
//continue;
}
if (*cp != 'C' && *cp != 'D') {
/*
* Check for the case "rcp remote:foo\* local:bar".
* In this case, the line "No match." can be returned
* by the shell before the rcp command on the remote is
* executed so the ^Aerror_message convention isn't
* followed.
*/
if (first) {
run_err("%s", cp);
exit(1);
}
SCREWUP("expected control record");
}
mode = 0;
for (++cp; cp < buf + 5; cp++) {
if (*cp < '0' || *cp > '7')
SCREWUP("bad mode");
mode = (mode << 3) | (*cp - '0');
}
if (*cp++ != ' ')
SCREWUP("mode not delimited");
for (size = 0; *cp >= '0' && *cp <= '9';)
size = size * 10 + (*cp++ - '0');
if (*cp++ != ' ')
SCREWUP("size not delimited");
if (targisdir) {
static char *namebuf;
static unsigned int cursize;
size_t need;
need = strlen(targ) + strlen(cp) + 250;
if (need > cursize)
namebuf = (char *)xmalloc(need);
(void)sprintf_s(namebuf, need, "%s%s%s", targ,
*targ ? "/" : "", cp);
np = namebuf;
} else
np = targ;
exists = _stati64(np, &stb) == 0;
if (buf[0] == 'D') {
int mod_flag = pflag;
if (exists) {
if (!S_ISDIR(stb.st_mode)) {
errno = ENOTDIR;
goto bad;
}
if (pflag)
(void)_chmod(np, mode);
} else {
/* Handle copying from a read-only directory */
mod_flag = 1;
if (_mkdir(np) < 0) // was mkdir(np, mode | S_IRWXU) < 0)
{
if (errno == EEXIST) // stat returned didn't exist, but mkdir returned it does - see this when user doesn't have access
errno = EPERM;
np = targ;
goto bad;
}
}
vect[0] = np;
sink(1, vect);
if (setimes) {
setimes = 0;
//if (_utime(np, &ut) < 0)
// in NT cannot set directory time by _utime(), we have our
// call _utimedir() above in this file.
if (_utimedir(np, &ut) < 0)
//run_err("%s: set times: %s", np, strerror(errno));
run_err("setting times on %s failed:", np );
}
if (mod_flag)
(void)_chmod(np, mode);
continue;
}
omode = mode;
#ifdef HAVE_FTRUNCATE
/* Don't use O_TRUNC so the file doesn't get corrupted if
copying on itself. */
ofd = open(np, O_WRONLY|O_CREAT|O_BINARY, mode);
#else /* HAVE_FTRUNCATE */
_sopen_s(&ofd, np, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY, _SH_DENYNO, S_IWRITE);
#endif /* HAVE_FTRUNCATE */
if (ofd < 0) {
bad: strerror_s(buf, sizeof(buf), errno);
if (isRootedPath && (strlen(np) > strlen(g_HomeDir)))
np += strlen(g_HomeDir);
run_err("%s: %s", np, buf);
continue;
}
(void)_write(remout, "", 1);
if ((bp = allocbuf(&buffer, ofd, 16384)) == NULL) {
(void)_close(ofd);
continue;
}
cp = bp->buf;
wrerr = NO;
#ifdef WITH_SCP_STATS
if (!iamremote && statistics)
{
statbytes = 0;
ratebs = 0.0;
stat_starttime = time(NULL);
stat_starttimems = GetTickCount();
statslast = getfilenamefrompath(np);
}
#endif /* WITH_SCP_STATS */
for (count = i = 0; i < size; i += 16384) {
amt = 16384;
if (i + amt > size)
amt = size - i;
count += amt;
do {
j = _read(remin, cp, (unsigned int)amt);
if (j <= 0) {
strerror_s(buf, sizeof(buf), errno);
run_err("%s", j ? buf :
"dropped connection");
exit(1);
}
#ifdef WITH_SCP_STATS
if (!iamremote && statistics){
int bwritten;
statbytes += j;
if ( (time(NULL) - stat_lasttime > 0) || ( statbytes == size) ) {
if (time(NULL) == stat_starttime) {
stat_starttime -= 1;
// stat_starttimems -= 1000;
}
ratebs = ssh_max(1.0,
(double)
statbytes /
(time(NULL) -
stat_starttime));
bwritten =
fprintf(SOME_STATS_FILE,
"\r%-25.25s | %10I64d KB | %7.1f kB/s | %s | %3d%%",
statslast,
statbytes / 1024,
ratebs / 1024,
// stat_eta((int)
// (time(NULL) - stat_starttime)),
stat_eta_new((int)(GetTickCount() - stat_starttimems)),
(int) (100.0 *
(double) statbytes /size));
if (all_statistics && statbytes == size)
bwritten += fprintf(SOME_STATS_FILE, "\n");
fflush(SOME_STATS_FILE);
stats_fixlen(bwritten);
stat_lasttime = time(NULL);
}
}
#endif /* WITH_SCP_STATS */
amt -= j;
cp += j;
} while (amt > 0);
if (count == bp->cnt) {
/* Keep reading so we stay sync'd up. */
if (wrerr == NO) {
j = _write(ofd, bp->buf, (unsigned int)count);
if (j != count) {
wrerr = YES;
wrerrno = j >= 0 ? EIO : errno;
}
}
count = 0;
cp = bp->buf;
}
} // end of main 16384 byte read for loop
if (count != 0 && wrerr == NO &&
(j = _write(ofd, bp->buf, (unsigned int)count)) != count) {
wrerr = YES;
wrerrno = j >= 0 ? EIO : errno;
}
#ifdef HAVE_FTRUNCATE
if (ftruncate(ofd, size)) {
run_err("%s: truncate: %s", np, strerror(errno));
wrerr = DISPLAYED;
}
#endif /* HAVE_FTRUNCATE */
if (pflag) {
if (exists || omode != mode)
{
#ifdef HAVE_FCHMOD
if (fchmod(ofd, omode)) {
#else /* HAVE_FCHMOD */
if (_chmod(np, omode)) {
#endif /* HAVE_FCHMOD */
strerror_s(buf, sizeof(buf), errno);
run_err("%s: set mode: %s",
np, buf);
}
}
} else {
if (!exists && omode != mode)
#ifdef HAVE_FCHMOD
if (fchmod(ofd, omode & ~mask)) {
#else /* HAVE_FCHMOD */
if (_chmod(np, omode & ~mask)) {
#endif /* HAVE_FCHMOD */
strerror_s(buf, sizeof(buf), errno);
run_err("%s: set mode: %s",
np, buf);
}
}
(void)_close(ofd);
(void)response();
if (setimes && wrerr == NO) {
setimes = 0;
if (_utime(np, &ut) < 0) {
// see if the error was due to read only file permission
if ( _access(np,2) < 0 ) {
// lacks write permission, so give it for now
_chmod(np, _S_IWRITE);
if (_utime(np, &ut) < 0) {
strerror_s(buf, sizeof(buf), errno);
run_err("%s: set times: %s", np, buf);
wrerr = DISPLAYED;
}
_chmod(np, _S_IREAD); // read only permission set again
}
else {
strerror_s(buf, sizeof(buf), errno);
run_err("%s: set times: %s",
np, buf);
wrerr = DISPLAYED;
}
}
}
switch(wrerr) {
case YES:
strerror_s(buf, sizeof(buf), errno);
run_err("%s: %s", np, buf);
break;
case NO:
(void)_write(remout, "", 1);
fflush(stdout);
fflush(stdin);
break;
case DISPLAYED:
break;
}
}
if (targ)
LocalFree(targ);
if ( first > 1 ) {
return;
}
screwup:
run_err("protocol error: %s", why);
exit(1);
}
int response(void)
{
char ch, *cp, resp, rbuf[2048];
if (_read(remin, &resp, sizeof(resp)) != sizeof(resp))
lostconn(0);
cp = rbuf;
switch(resp) {
case 0: /* ok */
return (0);
default:
*cp++ = resp;
/* FALLTHROUGH */
case 1: /* error, followed by error msg */
case 2: /* fatal error, "" */
do {
if (_read(remin, &ch, sizeof(ch)) != sizeof(ch))
lostconn(0);
*cp++ = ch;
} while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n');
if (!iamremote)
(void)_write(STDERR_FILENO, rbuf, (unsigned int)(cp - rbuf));
++errs;
if (resp == 1)
return (-1);
exit(1);
}
/* NOTREACHED */
}
#else
void
source(int argc, char **argv)
{
struct stat stb;
static BUF buffer;
BUF *bp;
off_t i, statbytes;
size_t amt, nr;
int fd = -1, haderr, indx;
char *last, *name, buf[2048], encname[PATH_MAX];
int len;
for (indx = 0; indx < argc; ++indx) {
name = argv[indx];
statbytes = 0;
len = strlen(name);
while (len > 1 && name[len-1] == '/')
name[--len] = '\0';
if ((fd = open(name, O_RDONLY|O_NONBLOCK, 0)) < 0)
goto syserr;
if (strchr(name, '\n') != NULL) {
strnvis(encname, name, sizeof(encname), VIS_NL);
name = encname;
}
if (fstat(fd, &stb) < 0) {
syserr: run_err("%s: %s", name, strerror(errno));
goto next;
}
if (stb.st_size < 0) {
run_err("%s: %s", name, "Negative file size");
goto next;
}
unset_nonblock(fd);
switch (stb.st_mode & S_IFMT) {
case S_IFREG:
break;
case S_IFDIR:
if (iamrecursive) {
rsource(name, &stb);
goto next;
}
/* FALLTHROUGH */
default:
run_err("%s: not a regular file", name);
goto next;
}
if ((last = strrchr(name, '/')) == NULL)
last = name;
else
++last;
curfile = last;
if (pflag) {
if (do_times(remout, verbose_mode, &stb) < 0)
goto next;
}
#define FILEMODEMASK (S_ISUID|S_ISGID|S_IRWXU|S_IRWXG|S_IRWXO)
snprintf(buf, sizeof buf, "C%04o %lld %s\n",
(u_int) (stb.st_mode & FILEMODEMASK),
(long long)stb.st_size, last);
if (verbose_mode) {
fprintf(stderr, "Sending file modes: %s", buf);
}
(void) atomicio(vwrite, remout, buf, strlen(buf));
if (response() < 0)
goto next;
if ((bp = allocbuf(&buffer, fd, COPY_BUFLEN)) == NULL) {
next: if (fd != -1) {
(void) close(fd);
fd = -1;
}
continue;
}
if (showprogress)
start_progress_meter(curfile, stb.st_size, &statbytes);
set_nonblock(remout);
for (haderr = i = 0; i < stb.st_size; i += bp->cnt) {
amt = bp->cnt;
if (i + (off_t)amt > stb.st_size)
amt = stb.st_size - i;
if (!haderr) {
if ((nr = atomicio(read, fd,
bp->buf, amt)) != amt) {
haderr = errno;
memset(bp->buf + nr, 0, amt - nr);
}
}
/* Keep writing after error to retain sync */
if (haderr) {
(void)atomicio(vwrite, remout, bp->buf, amt);
memset(bp->buf, 0, amt);
continue;
}
if (atomicio6(vwrite, remout, bp->buf, amt, scpio,
&statbytes) != amt)
haderr = errno;
}
unset_nonblock(remout);
if (showprogress)
stop_progress_meter();
if (fd != -1) {
if (close(fd) < 0 && !haderr)
haderr = errno;
fd = -1;
}
if (!haderr)
(void) atomicio(vwrite, remout, "", 1);
else
run_err("%s: %s", name, strerror(haderr));
(void) response();
}
}
void
rsource(char *name, struct stat *statp)
{
DIR *dirp;
struct dirent *dp;
char *last, *vect[1], path[PATH_MAX];
if (!(dirp = opendir(name))) {
run_err("%s: %s", name, strerror(errno));
return;
}
last = strrchr(name, '/');
if (last == 0)
last = name;
else
last++;
if (pflag) {
if (do_times(remout, verbose_mode, statp) < 0) {
closedir(dirp);
return;
}
}
(void) snprintf(path, sizeof path, "D%04o %d %.1024s\n",
(u_int) (statp->st_mode & FILEMODEMASK), 0, last);
if (verbose_mode)
fprintf(stderr, "Entering directory: %s", path);
(void) atomicio(vwrite, remout, path, strlen(path));
if (response() < 0) {
closedir(dirp);
return;
}
while ((dp = readdir(dirp)) != NULL) {
if (dp->d_ino == 0)
continue;
if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
continue;
if (strlen(name) + 1 + strlen(dp->d_name) >= sizeof(path) - 1) {
run_err("%s/%s: name too long", name, dp->d_name);
continue;
}
(void) snprintf(path, sizeof path, "%s/%s", name, dp->d_name);
vect[0] = path;
source(1, vect);
}
(void) closedir(dirp);
(void) atomicio(vwrite, remout, "E\n", 2);
(void) response();
}
void
sink(int argc, char **argv)
{
static BUF buffer;
struct stat stb;
enum {
YES, NO, DISPLAYED
} wrerr;
BUF *bp;
off_t i;
size_t j, count;
int amt, exists, first, ofd;
mode_t mode, omode, mask;
off_t size, statbytes;
unsigned long long ull;
int setimes, targisdir, wrerrno = 0;
char ch, *cp, *np, *targ, *why, *vect[1], buf[2048];
struct timeval tv[2];
#define atime tv[0]
#define mtime tv[1]
#define SCREWUP(str) { why = str; goto screwup; }
setimes = targisdir = 0;
mask = umask(0);
if (!pflag)
(void) umask(mask);
if (argc != 1) {
run_err("ambiguous target");
exit(1);
}
targ = *argv;
if (targetshouldbedirectory)
verifydir(targ);
(void) atomicio(vwrite, remout, "", 1);
if (stat(targ, &stb) == 0 && S_ISDIR(stb.st_mode))
targisdir = 1;
for (first = 1;; first = 0) {
cp = buf;
if (atomicio(read, remin, cp, 1) != 1)
return;
if (*cp++ == '\n')
SCREWUP("unexpected <newline>");
do {
if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch))
SCREWUP("lost connection");
*cp++ = ch;
} while (cp < &buf[sizeof(buf) - 1] && ch != '\n');
*cp = 0;
if (verbose_mode)
fprintf(stderr, "Sink: %s", buf);
if (buf[0] == '\01' || buf[0] == '\02') {
if (iamremote == 0)
(void) atomicio(vwrite, STDERR_FILENO,
buf + 1, strlen(buf + 1));
if (buf[0] == '\02')
exit(1);
++errs;
continue;
}
if (buf[0] == 'E') {
(void) atomicio(vwrite, remout, "", 1);
return;
}
if (ch == '\n')
*--cp = 0;
cp = buf;
if (*cp == 'T') {
setimes++;
cp++;
if (!isdigit((unsigned char)*cp))
SCREWUP("mtime.sec not present");
ull = strtoull(cp, &cp, 10);
if (!cp || *cp++ != ' ')
SCREWUP("mtime.sec not delimited");
if ((time_t)ull < 0 ||
(unsigned long long)(time_t)ull != ull)
setimes = 0; /* out of range */
mtime.tv_sec = ull;
mtime.tv_usec = strtol(cp, &cp, 10);
if (!cp || *cp++ != ' ' || mtime.tv_usec < 0 ||
mtime.tv_usec > 999999)
SCREWUP("mtime.usec not delimited");
if (!isdigit((unsigned char)*cp))
SCREWUP("atime.sec not present");
ull = strtoull(cp, &cp, 10);
if (!cp || *cp++ != ' ')
SCREWUP("atime.sec not delimited");
if ((time_t)ull < 0 ||
(unsigned long long)(time_t)ull != ull)
setimes = 0; /* out of range */
atime.tv_sec = ull;
atime.tv_usec = strtol(cp, &cp, 10);
if (!cp || *cp++ != '\0' || atime.tv_usec < 0 ||
atime.tv_usec > 999999)
SCREWUP("atime.usec not delimited");
(void) atomicio(vwrite, remout, "", 1);
continue;
}
if (*cp != 'C' && *cp != 'D') {
/*
* Check for the case "rcp remote:foo\* local:bar".
* In this case, the line "No match." can be returned
* by the shell before the rcp command on the remote is
* executed so the ^Aerror_message convention isn't
* followed.
*/
if (first) {
run_err("%s", cp);
exit(1);
}
SCREWUP("expected control record");
}
mode = 0;
for (++cp; cp < buf + 5; cp++) {
if (*cp < '0' || *cp > '7')
SCREWUP("bad mode");
mode = (mode << 3) | (*cp - '0');
}
if (*cp++ != ' ')
SCREWUP("mode not delimited");
for (size = 0; isdigit((unsigned char)*cp);)
size = size * 10 + (*cp++ - '0');
if (*cp++ != ' ')
SCREWUP("size not delimited");
if ((strchr(cp, '/') != NULL) || (strcmp(cp, "..") == 0)) {
run_err("error: unexpected filename: %s", cp);
exit(1);
}
if (targisdir) {
static char *namebuf;
static size_t cursize;
size_t need;
need = strlen(targ) + strlen(cp) + 250;
if (need > cursize) {
free(namebuf);
namebuf = xmalloc(need);
cursize = need;
}
(void) snprintf(namebuf, need, "%s%s%s", targ,
strcmp(targ, "/") ? "/" : "", cp);
np = namebuf;
} else
np = targ;
curfile = cp;
exists = stat(np, &stb) == 0;
if (buf[0] == 'D') {
int mod_flag = pflag;
if (!iamrecursive)
SCREWUP("received directory without -r");
if (exists) {
if (!S_ISDIR(stb.st_mode)) {
errno = ENOTDIR;
goto bad;
}
if (pflag)
(void) chmod(np, mode);
} else {
/* Handle copying from a read-only
directory */
mod_flag = 1;
if (mkdir(np, mode | S_IRWXU) < 0)
goto bad;
}
vect[0] = xstrdup(np);
sink(1, vect);
if (setimes) {
setimes = 0;
if (utimes(vect[0], tv) < 0)
run_err("%s: set times: %s",
vect[0], strerror(errno));
}
if (mod_flag)
(void) chmod(vect[0], mode);
free(vect[0]);
continue;
}
omode = mode;
mode |= S_IWUSR;
if ((ofd = open(np, O_WRONLY|O_CREAT, mode)) < 0) {
bad: run_err("%s: %s", np, strerror(errno));
continue;
}
(void) atomicio(vwrite, remout, "", 1);
if ((bp = allocbuf(&buffer, ofd, COPY_BUFLEN)) == NULL) {
(void) close(ofd);
continue;
}
cp = bp->buf;
wrerr = NO;
statbytes = 0;
if (showprogress)
start_progress_meter(curfile, size, &statbytes);
set_nonblock(remin);
for (count = i = 0; i < size; i += bp->cnt) {
amt = bp->cnt;
if (i + amt > size)
amt = size - i;
count += amt;
do {
j = atomicio6(read, remin, cp, amt,
scpio, &statbytes);
if (j == 0) {
run_err("%s", j != EPIPE ?
strerror(errno) :
"dropped connection");
exit(1);
}
amt -= j;
cp += j;
} while (amt > 0);
if (count == bp->cnt) {
/* Keep reading so we stay sync'd up. */
if (wrerr == NO) {
if (atomicio(vwrite, ofd, bp->buf,
count) != count) {
wrerr = YES;
wrerrno = errno;
}
}
count = 0;
cp = bp->buf;
}
}
unset_nonblock(remin);
if (showprogress)
stop_progress_meter();
if (count != 0 && wrerr == NO &&
atomicio(vwrite, ofd, bp->buf, count) != count) {
wrerr = YES;
wrerrno = errno;
}
if (wrerr == NO && (!exists || S_ISREG(stb.st_mode)) &&
ftruncate(ofd, size) != 0) {
run_err("%s: truncate: %s", np, strerror(errno));
wrerr = DISPLAYED;
}
if (pflag) {
if (exists || omode != mode)
#ifdef HAVE_FCHMOD
if (fchmod(ofd, omode)) {
#else /* HAVE_FCHMOD */
if (chmod(np, omode)) {
#endif /* HAVE_FCHMOD */
run_err("%s: set mode: %s",
np, strerror(errno));
wrerr = DISPLAYED;
}
} else {
if (!exists && omode != mode)
#ifdef HAVE_FCHMOD
if (fchmod(ofd, omode & ~mask)) {
#else /* HAVE_FCHMOD */
if (chmod(np, omode & ~mask)) {
#endif /* HAVE_FCHMOD */
run_err("%s: set mode: %s",
np, strerror(errno));
wrerr = DISPLAYED;
}
}
if (close(ofd) == -1) {
wrerr = YES;
wrerrno = errno;
}
(void) response();
if (setimes && wrerr == NO) {
setimes = 0;
if (utimes(np, tv) < 0) {
run_err("%s: set times: %s",
np, strerror(errno));
wrerr = DISPLAYED;
}
}
switch (wrerr) {
case YES:
run_err("%s: %s", np, strerror(wrerrno));
break;
case NO:
(void) atomicio(vwrite, remout, "", 1);
break;
case DISPLAYED:
break;
}
}
screwup:
run_err("protocol error: %s", why);
exit(1);
}
int
response(void)
{
char ch, *cp, resp, rbuf[2048];
if (atomicio(read, remin, &resp, sizeof(resp)) != sizeof(resp))
lostconn(0);
cp = rbuf;
switch (resp) {
case 0: /* ok */
return (0);
default:
*cp++ = resp;
/* FALLTHROUGH */
case 1: /* error, followed by error msg */
case 2: /* fatal error, "" */
do {
if (atomicio(read, remin, &ch, sizeof(ch)) != sizeof(ch))
lostconn(0);
*cp++ = ch;
} while (cp < &rbuf[sizeof(rbuf) - 1] && ch != '\n');
if (!iamremote)
(void) atomicio(vwrite, STDERR_FILENO, rbuf, cp - rbuf);
++errs;
if (resp == 1)
return (-1);
exit(1);
}
/* NOTREACHED */
}
#endif
void
usage(void)
{
(void) fprintf(stderr,
"usage: scp [-12346BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file]\n"
" [-l limit] [-o ssh_option] [-P port] [-S program]\n"
" [[user@]host1:]file1 ... [[user@]host2:]file2\n");
exit(1);
}
void
run_err(const char *fmt,...)
{
static FILE *fp;
va_list ap;
++errs;
if (fp != NULL || (remout != -1 && (fp = fdopen(remout, "w")))) {
(void) fprintf(fp, "%c", 0x01);
(void) fprintf(fp, "scp: ");
va_start(ap, fmt);
(void) vfprintf(fp, fmt, ap);
va_end(ap);
(void) fprintf(fp, "\n");
(void) fflush(fp);
}
if (!iamremote) {
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
}
}
#ifndef WIN32_FIXME
void
verifydir(char *cp)
{
struct stat stb;
if (!stat(cp, &stb)) {
if (S_ISDIR(stb.st_mode))
return;
errno = ENOTDIR;
}
run_err("%s: %s", cp, strerror(errno));
killchild(0);
}
int
okname(char *cp0)
{
int c;
char *cp;
cp = cp0;
do {
c = (int)*cp;
if (c & 0200)
goto bad;
if (!isalpha(c) && !isdigit((unsigned char)c)) {
switch (c) {
case '\'':
case '"':
case '`':
case ' ':
case '#':
goto bad;
default:
break;
}
}
} while (*++cp);
return (1);
bad: fprintf(stderr, "%s: invalid user name\n", cp0);
return (0);
}
BUF *
allocbuf(BUF *bp, int fd, int blksize)
{
size_t size;
#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
struct stat stb;
if (fstat(fd, &stb) < 0) {
run_err("fstat: %s", strerror(errno));
return (0);
}
size = roundup(stb.st_blksize, blksize);
if (size == 0)
size = blksize;
#else /* HAVE_STRUCT_STAT_ST_BLKSIZE */
size = blksize;
#endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */
if (bp->cnt >= size)
return (bp);
if (bp->buf == NULL)
bp->buf = xmalloc(size);
else
bp->buf = xreallocarray(bp->buf, 1, size);
memset(bp->buf, 0, size);
bp->cnt = size;
return (bp);
}
void
lostconn(int signo)
{
if (!iamremote)
(void)write(STDERR_FILENO, "lost connection\n", 16);
if (signo)
_exit(1);
else
exit(1);
}
#else
char *win32colon(char *cp)
{
int len=0;
bool bSkip = false;
if (*cp == ':') /* Leading colon is part of file name. */
return (0);
for (; *cp; ++cp) {
len++;
if (*cp == '[')
bSkip = true;
if (bSkip && *cp!= ']')
continue;
if (*cp == ']')
bSkip = false;
if (*cp == ':') {
if ( len != 2 ) { // avoid x: format for drive letter in Windows
return (cp);
}
}
// if ( (*cp == '/') || (*cp == '\\') )
// return (0);
}
return (0);
}
void verifydir(char *cp)
{
struct _stati64 stb;
if (!_stati64(cp, &stb)) {
if (S_ISDIR(stb.st_mode))
return;
errno = ENOTDIR;
}
char buf[MAX_PATH];
strerror_s(buf, sizeof(buf), errno);
run_err("%s: %s", cp, buf);
exit(1);
}
int okname(char *cp0)
{
return (1);
}
BUF *
allocbuf(BUF *bp, int fd, int blksize)
{
size_t size;
#ifdef HAVE_STRUCT_STAT_ST_BLKSIZE
struct stat stb;
if (fstat(fd, &stb) < 0) {
run_err("fstat: %s", strerror(errno));
return (0);
}
size = roundup(stb.st_blksize, blksize);
if (size == 0)
size = blksize;
#else /* HAVE_STRUCT_STAT_ST_BLKSIZE */
size = blksize;
#endif /* HAVE_STRUCT_STAT_ST_BLKSIZE */
if (bp->cnt >= size)
return (bp);
if (bp->buf == NULL)
bp->buf = xmalloc(size);
else
bp->buf = xreallocarray(bp->buf, 1, size);
memset(bp->buf, 0, size);
bp->cnt = size;
return (bp);
}
void lostconn(int signo)
{
if (!iamremote)
fprintf(stderr, "lost connection\n");
exit(1);
}
#endif
#ifdef WIN32_FIXME
#ifdef WITH_SCP_STATS
void stats_fixlen(int bwritten)
{
char rest[80];
int i = 0;
while (bwritten++ < 77)
{
rest[i++] = ' ';
}
rest[i] = '\0';
fputs(rest, SOME_STATS_FILE);
fflush(SOME_STATS_FILE);
}
char *stat_eta_new(int msecs)
{
static char stat_result[32];
int hours = 0, mins = 0, secs = 0;
// hours = msecs / 3600000;
// msecs %= 3600000;
// mins = msecs / 60000;
// msecs %= 60000;
hours = msecs / 3600000;
msecs %= 3600000;
mins = msecs / 60000;
msecs %= 60000;
secs = msecs / 1000;
msecs %= 1000;
if (hours > 0) {
sprintf_s(stat_result, sizeof(stat_result),"%02d:%02d:%02d:%03d", hours, mins, secs, msecs);
}
else
sprintf_s(stat_result, sizeof(stat_result), "%02d:%02d:%03d", mins, secs, msecs);
return(stat_result);
}
char *stat_eta_old(int secs)
{
static char stat_result[20];
int hours, mins;
hours = secs / 3600;
secs %= 3600;
mins = secs / 60;
secs %= 60;
sprintf_s(stat_result, sizeof(stat_result), "%02d:%02d:%02d", hours, mins, secs);
return(stat_result);
}
#endif /* WITH_SCP_STATS */
char *TranslatePath(char *path, bool *bDirSpec)
{
char temp[MAX_PATH*2];
char resolved[MAX_PATH];
char * rootpath;
if ( iamremote == 0)
return path; // if we are scp client, nothing special to do, return path we got.
char *s = NULL;
if (g_RootMode == M_ADMIN){
rootpath = g_FSRoot;
}else{
rootpath = g_HomeDir;
}
if (!_strnicmp(path, rootpath, strlen(g_HomeDir)))
{ // already set to home directory
strcpy_s(temp, sizeof(temp), path); // absolute path
}
else
{
if (path[1] != ':')
{
if (path[0] == '\\' || path[0] == '/')
sprintf_s(temp, sizeof(temp), "%s%s",rootpath,&path[1]);
else
sprintf_s(temp, sizeof(temp), "%s%s",rootpath,path);
}
else
strcpy(temp,path);
}
fixslashes(temp);
PathCanonicalizeA(resolved,temp);
*bDirSpec = (resolved[strlen(temp)-1] == '\\');
// Remove trailing slash unless it's a root spec (c:\ etc)
if (strcmp(&(resolved[1]),":\\") && resolved[strlen(temp)-1] == '\\')
resolved[strlen(temp)-1] = 0x00;
if (strlen(resolved) == strlen(rootpath)-1)
{
// We specify a length of less than one because if we
// resolve to the scp home directory (i.e. user specified
// '.' for the target), then PathCanonicalize will strip
// the trailing slash.
if (_strnicmp(resolved, rootpath, strlen(g_HomeDir)-1))
return NULL;
}
else if (!((g_RootMode == M_ADMIN) && resolved[1] == ':')){
// if we are in admin mode and the user specified a drive, let it go through
if (_strnicmp(resolved, rootpath, strlen(rootpath)))
return NULL;
}
// if we reach this point, the path is fine. We can actually just return path
// if the path doesn't begin with a slash
if (path[0] != '/' && path[0] != '\\')
return path;
s = (char *)LocalAlloc(LPTR,strlen(resolved)+1);
strcpy_s(s,strlen(resolved)+1,resolved);
isRootedPath = 1;
return s;
}
/* start_process_io()
input parameters:
exename - name of executable
StdXXXX - the three stdin, stdout, stdout I/O handles.
*/
int start_process_io(char *exename, char **argv, char **envv,
HANDLE StdInput, HANDLE StdOutput, HANDLE StdError,
unsigned long CreateFlags, PROCESS_INFORMATION *pi,
char *homedir, char *lpDesktop)
{
UNREFERENCED_PARAMETER(envv);
STARTUPINFO sui;
DWORD ret;
char cmdbuf[2048];
int ctr;
/* set up the STARTUPINFO structure,
* then call CreateProcess to try and start the new exe.
*/
sui.cb = sizeof(STARTUPINFO);
sui.lpReserved = 0;
sui.lpDesktop = lpDesktop;
sui.lpTitle = NULL; /* NULL means use exe name as title */
sui.dwX = 0;
sui.dwY = 0;
sui.dwXSize = 132;
sui.dwYSize = 60;
sui.dwXCountChars = 132;
sui.dwYCountChars = 60;
sui.dwFillAttribute = 0;
sui.dwFlags = STARTF_USESTDHANDLES | STARTF_USESIZE | STARTF_USECOUNTCHARS; // | STARTF_USESHOWWINDOW ;
sui.wShowWindow = 0; // FALSE ;
sui.cbReserved2 = 0;
sui.lpReserved2 = 0;
sui.hStdInput = (HANDLE)StdInput;
sui.hStdOutput = (HANDLE)StdOutput;
sui.hStdError = (HANDLE)StdError;
ctr = 0;
cmdbuf[0] = '\0';
while (argv[ctr]) {
strcat_s(cmdbuf, sizeof(cmdbuf), argv[ctr]);
strcat_s(cmdbuf, sizeof(cmdbuf), " ");
ctr++;
}
ret = CreateProcess(
exename, // given in form like "d:\\util\\cmd.exe"
cmdbuf, /* in "arg0 arg1 arg2" form command line */
NULL, /* process security */
NULL, /* thread security */
TRUE, /* inherit handles is YES */
CreateFlags,
/* give new proc a new screen, suspend it for debugging also */
NULL, /* in "E1=a0E2=b0E3=c00" form environment,
NULL means use parent's */
homedir, /* Current Directory, NULL means use whats for parent */
&sui, /* start up info */
pi); /* process created info kept here */
if (ret == TRUE) {
//cprintf ( "Process created, pid=%d, threadid=%d\n",pi->dwProcessId,
// pi->dwThreadId ) ;
return pi->dwProcessId;
}
else {
/* report failure to the user. */
return ret;
}
}
#endif
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