/*
* scp.c - Scp (Secure Copy) client for PuTTY.
- * Joris van Rantwijk, Aug 1999, Nov 1999.
+ * Joris van Rantwijk, Simon Tatham
*
* This is mainly based on ssh-1.2.26/scp.c by Timo Rinne & Tatu Ylonen.
* They, in turn, used stuff from BSD rcp.
+ *
+ * Adaptations to enable connecting a GUI by L. Gunnarsson - Sept 2000
*/
#include <windows.h>
+#ifndef AUTO_WINSOCK
+#ifdef WINSOCK_TWO
+#include <winsock2.h>
+#else
#include <winsock.h>
+#endif
+#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
+/* GUI Adaptation - Sept 2000 */
+#include <winuser.h>
+#include <winbase.h>
#define PUTTY_DO_GLOBALS
#include "putty.h"
-#include "scp.h"
#define TIME_POSIX_TO_WIN(t, ft) (*(LONGLONG*)&(ft) = \
((LONGLONG) (t) + (LONGLONG) 11644473600) * (LONGLONG) 10000000)
#define TIME_WIN_TO_POSIX(ft, t) ((t) = (unsigned long) \
((*(LONGLONG*)&(ft)) / (LONGLONG) 10000000 - (LONGLONG) 11644473600))
-int verbose = 0;
+/* GUI Adaptation - Sept 2000 */
+#define WM_APP_BASE 0x8000
+#define WM_STD_OUT_CHAR ( WM_APP_BASE+400 )
+#define WM_STD_ERR_CHAR ( WM_APP_BASE+401 )
+#define WM_STATS_CHAR ( WM_APP_BASE+402 )
+#define WM_STATS_SIZE ( WM_APP_BASE+403 )
+#define WM_STATS_PERCENT ( WM_APP_BASE+404 )
+#define WM_STATS_ELAPSED ( WM_APP_BASE+405 )
+#define WM_RET_ERR_CNT ( WM_APP_BASE+406 )
+#define WM_LS_RET_ERR_CNT ( WM_APP_BASE+407 )
+
+static int verbose = 0;
static int recursive = 0;
static int preserve = 0;
static int targetshouldbedirectory = 0;
static char *password = NULL;
static int errs = 0;
static int connection_open = 0;
+/* GUI Adaptation - Sept 2000 */
+#define NAME_STR_MAX 2048
+static char statname[NAME_STR_MAX+1];
+static unsigned long statsize = 0;
+static int statperct = 0;
+static time_t statelapsed = 0;
+static int gui_mode = 0;
+static char *gui_hwnd = NULL;
static void source(char *src);
static void rsource(char *src);
static void sink(char *targ);
+/* GUI Adaptation - Sept 2000 */
+static void tell_char(FILE *stream, char c);
+static void tell_str(FILE *stream, char *str);
+static void tell_user(FILE *stream, char *fmt, ...);
+static void send_char_msg(unsigned int msg_id, char c);
+static void send_str_msg(unsigned int msg_id, char *str);
+static void gui_update_stats(char *name, unsigned long size, int percentage, time_t elapsed);
+
+/*
+ * These functions are needed to link with other modules, but
+ * (should) never get called.
+ */
+void begin_session(void) { }
+void write_clip (void *data, int len) { }
+void term_deselect(void) { }
+
+/* GUI Adaptation - Sept 2000 */
+void send_msg(HWND h, UINT message, WPARAM wParam)
+{
+ while (!PostMessage( h, message, wParam, 0))
+ SleepEx(1000,TRUE);
+}
+
+void tell_char(FILE *stream, char c)
+{
+ if (!gui_mode)
+ fputc(c, stream);
+ else
+ {
+ unsigned int msg_id = WM_STD_OUT_CHAR;
+ if (stream == stderr) msg_id = WM_STD_ERR_CHAR;
+ send_msg( (HWND)atoi(gui_hwnd), msg_id, (WPARAM)c );
+ }
+}
+
+void tell_str(FILE *stream, char *str)
+{
+ unsigned int i;
+
+ for( i = 0; i < strlen(str); ++i )
+ tell_char(stream, str[i]);
+}
+
+void tell_user(FILE *stream, char *fmt, ...)
+{
+ char str[0x100]; /* Make the size big enough */
+ va_list ap;
+ va_start(ap, fmt);
+ vsprintf(str, fmt, ap);
+ va_end(ap);
+ strcat(str, "\n");
+ tell_str(stream, str);
+}
+
+void gui_update_stats(char *name, unsigned long size, int percentage, time_t elapsed)
+{
+ unsigned int i;
+
+ if (strcmp(name,statname) != 0)
+ {
+ for( i = 0; i < strlen(name); ++i )
+ send_msg( (HWND)atoi(gui_hwnd), WM_STATS_CHAR, (WPARAM)name[i]);
+ send_msg( (HWND)atoi(gui_hwnd), WM_STATS_CHAR, (WPARAM)'\n' );
+ strcpy(statname,name);
+ }
+ if (statsize != size)
+ {
+ send_msg( (HWND)atoi(gui_hwnd), WM_STATS_SIZE, (WPARAM)size );
+ statsize = size;
+ }
+ if (statelapsed != elapsed)
+ {
+ send_msg( (HWND)atoi(gui_hwnd), WM_STATS_ELAPSED, (WPARAM)elapsed );
+ statelapsed = elapsed;
+ }
+ if (statperct != percentage)
+ {
+ send_msg( (HWND)atoi(gui_hwnd), WM_STATS_PERCENT, (WPARAM)percentage );
+ statperct = percentage;
+ }
+}
/*
* Print an error message and perform a fatal exit.
*/
void fatalbox(char *fmt, ...)
{
+ char str[0x100]; /* Make the size big enough */
va_list ap;
va_start(ap, fmt);
- fprintf(stderr, "Fatal: ");
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n");
+ strcpy(str, "Fatal:");
+ vsprintf(str+strlen(str), fmt, ap);
va_end(ap);
+ strcat(str, "\n");
+ tell_str(stderr, str);
+
+ exit(1);
+}
+void connection_fatal(char *fmt, ...)
+{
+ char str[0x100]; /* Make the size big enough */
+ va_list ap;
+ va_start(ap, fmt);
+ strcpy(str, "Fatal:");
+ vsprintf(str+strlen(str), fmt, ap);
+ va_end(ap);
+ strcat(str, "\n");
+ tell_str(stderr, str);
+
exit(1);
}
+/*
+ * Receive a block of data from the SSH link. Block until all data
+ * is available.
+ *
+ * To do this, we repeatedly call the SSH protocol module, with our
+ * own trap in term_out() to catch the data that comes back. We do
+ * this until we have enough data.
+ */
+static unsigned char *outptr; /* where to put the data */
+static unsigned outlen; /* how much data required */
+static unsigned char *pending = NULL; /* any spare data */
+static unsigned pendlen=0, pendsize=0; /* length and phys. size of buffer */
+void term_out(void) {
+ /*
+ * Here we must deal with a block of data, in `inbuf', size
+ * `inbuf_head'.
+ */
+ unsigned char *p = inbuf;
+ unsigned len = inbuf_head;
+
+ inbuf_head = 0;
+
+ /*
+ * If this is before the real session begins, just return.
+ */
+ if (!outptr)
+ return;
+
+ if (outlen > 0) {
+ unsigned used = outlen;
+ if (used > len) used = len;
+ memcpy(outptr, p, used);
+ outptr += used; outlen -= used;
+ p += used; len -= used;
+ }
+
+ if (len > 0) {
+ if (pendsize < pendlen + len) {
+ pendsize = pendlen + len + 4096;
+ pending = (pending ? realloc(pending, pendsize) :
+ malloc(pendsize));
+ if (!pending)
+ fatalbox("Out of memory");
+ }
+ memcpy(pending+pendlen, p, len);
+ pendlen += len;
+ }
+}
+static int ssh_scp_recv(unsigned char *buf, int len) {
+ SOCKET s;
+
+ outptr = buf;
+ outlen = len;
+
+ /*
+ * See if the pending-input block contains some of what we
+ * need.
+ */
+ if (pendlen > 0) {
+ unsigned pendused = pendlen;
+ if (pendused > outlen)
+ pendused = outlen;
+ memcpy(outptr, pending, pendused);
+ memmove(pending, pending+pendused, pendlen-pendused);
+ outptr += pendused;
+ outlen -= pendused;
+ pendlen -= pendused;
+ if (pendlen == 0) {
+ pendsize = 0;
+ free(pending);
+ pending = NULL;
+ }
+ if (outlen == 0)
+ return len;
+ }
+
+ while (outlen > 0) {
+ fd_set readfds;
+ s = back->socket();
+ if (s == INVALID_SOCKET) {
+ connection_open = FALSE;
+ return 0;
+ }
+ FD_ZERO(&readfds);
+ FD_SET(s, &readfds);
+ if (select(1, &readfds, NULL, NULL, NULL) < 0)
+ return 0; /* doom */
+ back->msg(0, FD_READ);
+ term_out();
+ }
+
+ return len;
+}
+
+/*
+ * Loop through the ssh connection and authentication process.
+ */
+static void ssh_scp_init(void) {
+ SOCKET s;
+
+ s = back->socket();
+ if (s == INVALID_SOCKET)
+ return;
+ while (!back->sendok()) {
+ fd_set readfds;
+ FD_ZERO(&readfds);
+ FD_SET(s, &readfds);
+ if (select(1, &readfds, NULL, NULL, NULL) < 0)
+ return; /* doom */
+ back->msg(0, FD_READ);
+ term_out();
+ }
+}
+
/*
* Print an error message and exit after closing the SSH link.
*/
static void bump(char *fmt, ...)
{
+ char str[0x100]; /* Make the size big enough */
va_list ap;
va_start(ap, fmt);
- fprintf(stderr, "Fatal: ");
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n");
+ strcpy(str, "Fatal:");
+ vsprintf(str+strlen(str), fmt, ap);
va_end(ap);
+ strcat(str, "\n");
+ tell_str(stderr, str);
+
if (connection_open) {
char ch;
- ssh_send_eof();
- ssh_recv(&ch, 1);
+ back->special(TS_EOF);
+ ssh_scp_recv(&ch, 1);
}
exit(1);
}
-void ssh_get_password(char *prompt, char *str, int maxlen)
+static int get_password(const char *prompt, char *str, int maxlen)
{
HANDLE hin, hout;
DWORD savemode, i;
if (password) {
- strncpy(str, password, maxlen);
- str[maxlen-1] = '\0';
- password = NULL;
- return;
+ static int tried_once = 0;
+
+ if (tried_once) {
+ return 0;
+ } else {
+ strncpy(str, password, maxlen);
+ str[maxlen-1] = '\0';
+ tried_once = 1;
+ return 1;
+ }
}
- hin = GetStdHandle(STD_INPUT_HANDLE);
- hout = GetStdHandle(STD_OUTPUT_HANDLE);
- if (hin == INVALID_HANDLE_VALUE || hout == INVALID_HANDLE_VALUE)
- bump("Cannot get standard input/output handles");
+ /* GUI Adaptation - Sept 2000 */
+ if (gui_mode) {
+ if (maxlen>0) str[0] = '\0';
+ } else {
+ hin = GetStdHandle(STD_INPUT_HANDLE);
+ hout = GetStdHandle(STD_OUTPUT_HANDLE);
+ if (hin == INVALID_HANDLE_VALUE || hout == INVALID_HANDLE_VALUE)
+ bump("Cannot get standard input/output handles");
- GetConsoleMode(hin, &savemode);
- SetConsoleMode(hin, (savemode & (~ENABLE_ECHO_INPUT)) |
- ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT);
+ GetConsoleMode(hin, &savemode);
+ SetConsoleMode(hin, (savemode & (~ENABLE_ECHO_INPUT)) |
+ ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT);
- WriteFile(hout, prompt, strlen(prompt), &i, NULL);
- ReadFile(hin, str, maxlen-1, &i, NULL);
+ WriteFile(hout, prompt, strlen(prompt), &i, NULL);
+ ReadFile(hin, str, maxlen-1, &i, NULL);
- SetConsoleMode(hin, savemode);
+ SetConsoleMode(hin, savemode);
- if ((int)i > maxlen) i = maxlen-1; else i = i - 2;
- str[i] = '\0';
+ if ((int)i > maxlen) i = maxlen-1; else i = i - 2;
+ str[i] = '\0';
+
+ WriteFile(hout, "\r\n", 2, &i, NULL);
+ }
- WriteFile(hout, "\r\n", 2, &i, NULL);
+ return 1;
}
/*
if (portnumber)
cfg.port = portnumber;
- err = ssh_init(cfg.host, cfg.port, cmd, &realhost);
+ strncpy(cfg.remote_cmd, cmd, sizeof(cfg.remote_cmd));
+ cfg.remote_cmd[sizeof(cfg.remote_cmd)-1] = '\0';
+ cfg.nopty = TRUE;
+
+ back = &ssh_backend;
+
+ err = back->init(NULL, cfg.host, cfg.port, &realhost);
if (err != NULL)
bump("ssh_init: %s", err);
+ ssh_scp_init();
if (verbose && realhost != NULL)
- fprintf(stderr, "Connected to %s\n", realhost);
+ tell_user(stderr, "Connected to %s\n", realhost);
connection_open = 1;
}
char etastr[10];
int pct;
- if (now > start)
- ratebs = (float) done / (now - start);
- else
- ratebs = (float) done;
+ /* GUI Adaptation - Sept 2000 */
+ if (gui_mode)
+ gui_update_stats(name, size, ((done *100) / size), now-start);
+ else {
+ if (now > start)
+ ratebs = (float) done / (now - start);
+ else
+ ratebs = (float) done;
- if (ratebs < 1.0)
- eta = size - done;
- else
- eta = (unsigned long) ((size - done) / ratebs);
- sprintf(etastr, "%02ld:%02ld:%02ld",
- eta / 3600, (eta % 3600) / 60, eta % 60);
+ if (ratebs < 1.0)
+ eta = size - done;
+ else
+ eta = (unsigned long) ((size - done) / ratebs);
+ sprintf(etastr, "%02ld:%02ld:%02ld",
+ eta / 3600, (eta % 3600) / 60, eta % 60);
- pct = (int) (100.0 * (float) done / size);
+ pct = (int) (100.0 * (float) done / size);
- printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
- name, done / 1024, ratebs / 1024.0,
- etastr, pct);
+ printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
+ name, done / 1024, ratebs / 1024.0,
+ etastr, pct);
- if (done == size)
- printf("\n");
+ if (done == size)
+ printf("\n");
+ }
}
/*
char ch, resp, rbuf[2048];
int p;
- if (ssh_recv(&resp, 1) <= 0)
+ if (ssh_scp_recv(&resp, 1) <= 0)
bump("Lost connection");
p = 0;
case 1: /* error */
case 2: /* fatal error */
do {
- if (ssh_recv(&ch, 1) <= 0)
+ if (ssh_scp_recv(&ch, 1) <= 0)
bump("Protocol error: Lost connection");
rbuf[p++] = ch;
} while (p < sizeof(rbuf) && ch != '\n');
rbuf[p-1] = '\0';
if (resp == 1)
- fprintf(stderr, "%s\n", rbuf);
+ tell_user(stderr, "%s\n", rbuf);
else
bump("%s", rbuf);
errs++;
strcpy(str, "\01scp: ");
vsprintf(str+strlen(str), fmt, ap);
strcat(str, "\n");
- ssh_send(str, strlen(str));
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n");
+ back->send(str, strlen(str));
+ tell_user(stderr, "%s",str);
va_end(ap);
}
TIME_WIN_TO_POSIX(actime, atime);
TIME_WIN_TO_POSIX(wrtime, mtime);
sprintf(buf, "T%lu 0 %lu 0\n", mtime, atime);
- ssh_send(buf, strlen(buf));
+ back->send(buf, strlen(buf));
if (response())
return;
}
size = GetFileSize(f, NULL);
sprintf(buf, "C0644 %lu %s\n", size, last);
if (verbose)
- fprintf(stderr, "Sending file modes: %s", buf);
- ssh_send(buf, strlen(buf));
+ tell_user(stderr, "Sending file modes: %s", buf);
+ back->send(buf, strlen(buf));
if (response())
return;
if (statistics) printf("\n");
bump("%s: Read error", src);
}
- ssh_send(transbuf, k);
+ back->send(transbuf, k);
if (statistics) {
stat_bytes += k;
if (time(NULL) != stat_lasttime ||
}
CloseHandle(f);
- ssh_send("", 1);
+ back->send("", 1);
(void) response();
}
sprintf(buf, "D0755 0 %s\n", last);
if (verbose)
- fprintf(stderr, "Entering directory: %s", buf);
- ssh_send(buf, strlen(buf));
+ tell_user(stderr, "Entering directory: %s", buf);
+ back->send(buf, strlen(buf));
if (response())
return;
FindClose(dir);
sprintf(buf, "E\n");
- ssh_send(buf, strlen(buf));
+ back->send(buf, strlen(buf));
(void) response();
}
if (targetshouldbedirectory && !targisdir)
bump("%s: Not a directory", targ);
- ssh_send("", 1);
+ back->send("", 1);
while (1) {
settime = 0;
gottime:
- if (ssh_recv(&ch, 1) <= 0)
+ if (ssh_scp_recv(&ch, 1) <= 0)
return;
if (ch == '\n')
bump("Protocol error: Unexpected newline");
i = 0;
buf[i++] = ch;
do {
- if (ssh_recv(&ch, 1) <= 0)
+ if (ssh_scp_recv(&ch, 1) <= 0)
bump("Lost connection");
buf[i++] = ch;
} while (i < sizeof(buf) && ch != '\n');
buf[i-1] = '\0';
switch (buf[0]) {
case '\01': /* error */
- fprintf(stderr, "%s\n", buf+1);
+ tell_user(stderr, "%s\n", buf+1);
errs++;
continue;
case '\02': /* fatal error */
bump("%s", buf+1);
case 'E':
- ssh_send("", 1);
+ back->send("", 1);
return;
case 'T':
if (sscanf(buf, "T%ld %*d %ld %*d",
&mtime, &atime) == 2) {
settime = 1;
- ssh_send("", 1);
+ back->send("", 1);
goto gottime;
}
bump("Protocol error: Illegal time format");
continue;
}
- ssh_send("", 1);
+ back->send("", 1);
if (statistics) {
stat_bytes = 0;
char transbuf[4096];
DWORD j, k = 4096;
if (i + k > size) k = size - i;
- if (ssh_recv(transbuf, k) == 0)
+ if (ssh_scp_recv(transbuf, k) == 0)
bump("Lost connection");
if (wrerror) continue;
if (! WriteFile(f, transbuf, k, &j, NULL) || j != k) {
run_err("%s: Write error", namebuf);
continue;
}
- ssh_send("", 1);
+ back->send("", 1);
}
}
WIN32_FIND_DATA fdat;
src = argv[i];
if (colon(src) != NULL) {
- fprintf(stderr,
- "%s: Remote to remote not supported\n", src);
+ tell_user(stderr, "%s: Remote to remote not supported\n", src);
errs++;
continue;
}
char namebuf[2048];
if (strlen(src) + strlen(fdat.cFileName) >=
sizeof(namebuf)) {
- fprintf(stderr, "%s: Name too long", src);
+ tell_user(stderr, "%s: Name too long", src);
continue;
}
strcpy(namebuf, src);
}
*p++ = '\'';
*p = '\0';
-
+
do_cmd(host, user, cmd);
sfree(cmd);
- while (ssh_recv(&c, 1) > 0)
- fputc(c, stdout); /* thank heavens for buffered I/O */
+ while (ssh_scp_recv(&c, 1) > 0)
+ tell_char(stdout, c);
}
/*
{
printf("PuTTY Secure Copy client\n");
printf("%s\n", ver);
- printf("Usage: scp [options] [user@]host:source target\n");
- printf(" scp [options] source [source...] [user@]host:target\n");
+ printf("Usage: pscp [options] [user@]host:source target\n");
+ printf(" pscp [options] source [source...] [user@]host:target\n");
+ printf(" pscp [options] -ls user@host:filespec\n");
printf("Options:\n");
printf(" -p preserve file attributes\n");
printf(" -q quiet, don't show statistics\n");
printf(" -v show verbose messages\n");
printf(" -P port connect to specified port\n");
printf(" -pw passw login with specified password\n");
+ /* GUI Adaptation - Sept 2000 */
+ printf(" -gui hWnd GUI mode with the windows handle for receiving messages\n");
exit(1);
}
int i;
int list = 0;
+ default_protocol = PROT_TELNET;
+
+ flags = FLAG_STDERR;
+ ssh_get_password = &get_password;
init_winsock();
for (i = 1; i < argc; i++) {
if (argv[i][0] != '-')
break;
if (strcmp(argv[i], "-v") == 0)
- verbose = 1;
+ verbose = 1, flags |= FLAG_VERBOSE;
else if (strcmp(argv[i], "-r") == 0)
recursive = 1;
else if (strcmp(argv[i], "-p") == 0)
portnumber = atoi(argv[++i]);
else if (strcmp(argv[i], "-pw") == 0 && i+1 < argc)
password = argv[++i];
- else if (strcmp(argv[i], "-ls") == 0)
- list = 1;
+ else if (strcmp(argv[i], "-gui") == 0 && i+1 < argc) {
+ gui_hwnd = argv[++i];
+ gui_mode = 1;
+ } else if (strcmp(argv[i], "-ls") == 0)
+ list = 1;
else if (strcmp(argv[i], "--") == 0)
{ i++; break; }
else
if (connection_open) {
char ch;
- ssh_send_eof();
- ssh_recv(&ch, 1);
+ back->special(TS_EOF);
+ ssh_scp_recv(&ch, 1);
}
WSACleanup();
random_save_seed();
+ /* GUI Adaptation - August 2000 */
+ if (gui_mode) {
+ unsigned int msg_id = WM_RET_ERR_CNT;
+ if (list) msg_id = WM_LS_RET_ERR_CNT;
+ while (!PostMessage( (HWND)atoi(gui_hwnd), msg_id, (WPARAM)errs, 0/*lParam*/ ) )
+ SleepEx(1000,TRUE);
+ }
return (errs == 0 ? 0 : 1);
}