/*
* 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>
+#include <assert.h>
+/* GUI Adaptation - Sept 2000 */
+#include <winuser.h>
+#include <winbase.h>
#define PUTTY_DO_GLOBALS
#include "putty.h"
-#include "scp.h"
+#include "winstuff.h"
+#include "storage.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 list = 0;
+static int verbose = 0;
static int recursive = 0;
static int preserve = 0;
static int targetshouldbedirectory = 0;
static int statistics = 1;
static int portnumber = 0;
+static int prev_stats_len = 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 unsigned long 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);
+static void sink(char *targ, char *src);
+/* 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 gui_update_stats(char *name, unsigned long size,
+ int percentage, unsigned long elapsed);
+
+void logevent(char *string)
+{
+}
+
+void ldisc_send(char *buf, int len)
+{
+ /*
+ * This is only here because of the calls to ldisc_send(NULL,
+ * 0) in ssh.c. Nothing in PSCP actually needs to use the ldisc
+ * as an ldisc. So if we get called with any real data, I want
+ * to know about it.
+ */
+ assert(len == 0);
+}
+
+void verify_ssh_host_key(char *host, int port, char *keytype,
+ char *keystr, char *fingerprint)
+{
+ int ret;
+ HANDLE hin;
+ DWORD savemode, i;
+
+ static const char absentmsg[] =
+ "The server's host key is not cached in the registry. You\n"
+ "have no guarantee that the server is the computer you\n"
+ "think it is.\n"
+ "The server's key fingerprint is:\n"
+ "%s\n"
+ "If you trust this host, enter \"y\" to add the key to\n"
+ "PuTTY's cache and carry on connecting.\n"
+ "If you want to carry on connecting just once, without\n"
+ "adding the key to the cache, enter \"n\".\n"
+ "If you do not trust this host, press Return to abandon the\n"
+ "connection.\n"
+ "Store key in cache? (y/n) ";
+
+ static const char wrongmsg[] =
+ "WARNING - POTENTIAL SECURITY BREACH!\n"
+ "The server's host key does not match the one PuTTY has\n"
+ "cached in the registry. This means that either the\n"
+ "server administrator has changed the host key, or you\n"
+ "have actually connected to another computer pretending\n"
+ "to be the server.\n"
+ "The new key fingerprint is:\n"
+ "%s\n"
+ "If you were expecting this change and trust the new key,\n"
+ "enter \"y\" to update PuTTY's cache and continue connecting.\n"
+ "If you want to carry on connecting but without updating\n"
+ "the cache, enter \"n\".\n"
+ "If you want to abandon the connection completely, press\n"
+ "Return to cancel. Pressing Return is the ONLY guaranteed\n"
+ "safe choice.\n"
+ "Update cached key? (y/n, Return cancels connection) ";
+
+ static const char abandoned[] = "Connection abandoned.\n";
+
+ char line[32];
+
+ /*
+ * Verify the key against the registry.
+ */
+ ret = verify_host_key(host, port, keytype, keystr);
+
+ if (ret == 0) /* success - key matched OK */
+ return;
+
+ if (ret == 2) { /* key was different */
+ fprintf(stderr, wrongmsg, fingerprint);
+ fflush(stderr);
+ }
+ if (ret == 1) { /* key was absent */
+ fprintf(stderr, absentmsg, fingerprint);
+ fflush(stderr);
+ }
+
+ hin = GetStdHandle(STD_INPUT_HANDLE);
+ GetConsoleMode(hin, &savemode);
+ SetConsoleMode(hin, (savemode | ENABLE_ECHO_INPUT |
+ ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT));
+ ReadFile(hin, line, sizeof(line) - 1, &i, NULL);
+ SetConsoleMode(hin, savemode);
+
+ if (line[0] != '\0' && line[0] != '\r' && line[0] != '\n') {
+ if (line[0] == 'y' || line[0] == 'Y')
+ store_host_key(host, port, keytype, keystr);
+ } else {
+ fprintf(stderr, abandoned);
+ exit(0);
+ }
+}
+
+/* GUI Adaptation - Sept 2000 */
+static void send_msg(HWND h, UINT message, WPARAM wParam)
+{
+ while (!PostMessage(h, message, wParam, 0))
+ SleepEx(1000, TRUE);
+}
+
+static 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);
+ }
+}
+
+static void tell_str(FILE * stream, char *str)
+{
+ unsigned int i;
+
+ for (i = 0; i < strlen(str); ++i)
+ tell_char(stream, str[i]);
+}
+
+static 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);
+}
+
+static void gui_update_stats(char *name, unsigned long size,
+ int percentage, unsigned long 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);
+ errs++;
+
+ 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);
+ }
+
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);
+ errs++;
+
+ 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);
+ }
+
+ exit(1);
+}
+
+/*
+ * Be told what socket we're supposed to be using.
+ */
+static SOCKET scp_ssh_socket;
+char *do_select(SOCKET skt, int startup)
+{
+ if (startup)
+ scp_ssh_socket = skt;
+ else
+ scp_ssh_socket = INVALID_SOCKET;
+ return NULL;
+}
+extern int select_result(WPARAM, LPARAM);
+
+/*
+ * 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 from_backend() 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 from_backend(int is_stderr, char *data, int datalen)
+{
+ unsigned char *p = (unsigned char *) data;
+ unsigned len = (unsigned) datalen;
+
+ /*
+ * stderr data is just spouted to local stderr and otherwise
+ * ignored.
+ */
+ if (is_stderr) {
+ fwrite(data, 1, len, stderr);
+ return;
+ }
+
+ 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 ? srealloc(pending, pendsize) :
+ smalloc(pendsize));
+ if (!pending)
+ fatalbox("Out of memory");
+ }
+ memcpy(pending + pendlen, p, len);
+ pendlen += len;
+ }
+}
+static int ssh_scp_recv(unsigned char *buf, int len)
+{
+ 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;
+ sfree(pending);
+ pending = NULL;
+ }
+ if (outlen == 0)
+ return len;
+ }
+
+ while (outlen > 0) {
+ fd_set readfds;
+
+ FD_ZERO(&readfds);
+ FD_SET(scp_ssh_socket, &readfds);
+ if (select(1, &readfds, NULL, NULL, NULL) < 0)
+ return 0; /* doom */
+ select_result((WPARAM) scp_ssh_socket, (LPARAM) FD_READ);
+ }
+
+ return len;
+}
+
+/*
+ * Loop through the ssh connection and authentication process.
+ */
+static void ssh_scp_init(void)
+{
+ if (scp_ssh_socket == INVALID_SOCKET)
+ return;
+ while (!back->sendok()) {
+ fd_set readfds;
+ FD_ZERO(&readfds);
+ FD_SET(scp_ssh_socket, &readfds);
+ if (select(1, &readfds, NULL, NULL, NULL) < 0)
+ return; /* doom */
+ select_result((WPARAM) scp_ssh_socket, (LPARAM) FD_READ);
+ }
+}
/*
* 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);
- if (connection_open) {
+ strcat(str, "\n");
+ tell_str(stderr, str);
+ errs++;
+
+ if (back != NULL && back->socket() != NULL) {
char ch;
- ssh_send_eof();
- ssh_recv(&ch, 1);
+ back->special(TS_EOF);
+ ssh_scp_recv(&ch, 1);
}
+
+ 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);
+ }
+
exit(1);
}
-void ssh_get_password(char *prompt, char *str, int maxlen)
+static int get_line(const char *prompt, char *str, int maxlen, int is_pw)
{
HANDLE hin, hout;
- DWORD savemode, i;
+ DWORD savemode, newmode, i;
- if (password) {
- strncpy(str, password, maxlen);
- str[maxlen-1] = '\0';
- password = NULL;
- return;
+ if (is_pw && password) {
+ 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);
+ newmode = savemode | ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT;
+ if (is_pw)
+ newmode &= ~ENABLE_ECHO_INPUT;
+ else
+ newmode |= ENABLE_ECHO_INPUT;
+ SetConsoleMode(hin, newmode);
- 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';
+ if (is_pw)
+ WriteFile(hout, "\r\n", 2, &i, NULL);
+ }
- WriteFile(hout, "\r\n", 2, &i, NULL);
+ return 1;
}
/*
static void do_cmd(char *host, char *user, char *cmd)
{
char *err, *realhost;
+ DWORD namelen;
if (host == NULL || host[0] == '\0')
bump("Empty host name");
/* Try to load settings for this host */
- do_defaults(host);
+ do_defaults(host, &cfg);
if (cfg.host[0] == '\0') {
/* No settings for this host; use defaults */
- strncpy(cfg.host, host, sizeof(cfg.host)-1);
- cfg.host[sizeof(cfg.host)-1] = '\0';
+ do_defaults(NULL, &cfg);
+ strncpy(cfg.host, host, sizeof(cfg.host) - 1);
+ cfg.host[sizeof(cfg.host) - 1] = '\0';
cfg.port = 22;
}
- if (portnumber)
- cfg.port = portnumber;
-
/* Set username */
if (user != NULL && user[0] != '\0') {
- strncpy(cfg.username, user, sizeof(cfg.username)-1);
- cfg.username[sizeof(cfg.username)-1] = '\0';
- cfg.port = 22;
+ strncpy(cfg.username, user, sizeof(cfg.username) - 1);
+ cfg.username[sizeof(cfg.username) - 1] = '\0';
} else if (cfg.username[0] == '\0') {
- bump("Empty user name");
+ namelen = 0;
+ if (GetUserName(user, &namelen) == FALSE)
+ bump("Empty user name");
+ user = smalloc(namelen * sizeof(char));
+ GetUserName(user, &namelen);
+ if (verbose)
+ tell_user(stderr, "Guessing user name: %s", user);
+ strncpy(cfg.username, user, sizeof(cfg.username) - 1);
+ cfg.username[sizeof(cfg.username) - 1] = '\0';
+ free(user);
}
if (cfg.protocol != PROT_SSH)
cfg.port = 22;
- err = ssh_init(cfg.host, cfg.port, cmd, &realhost);
+ if (portnumber)
+ cfg.port = portnumber;
+
+ 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(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);
-
- connection_open = 1;
+ tell_user(stderr, "Connected to %s\n", realhost);
+ sfree(realhost);
}
/*
* Update statistic information about current file.
*/
static void print_stats(char *name, unsigned long size, unsigned long done,
- time_t start, time_t now)
+ time_t start, time_t now)
{
float ratebs;
unsigned long eta;
char etastr[10];
int pct;
+ int len;
+
+ /* GUI Adaptation - Sept 2000 */
+ if (gui_mode)
+ gui_update_stats(name, size, (int) (100 * (done * 1.0 / size)),
+ (unsigned long) difftime(now, start));
+ else {
+ if (now > start)
+ ratebs = (float) done / (now - start);
+ else
+ ratebs = (float) done;
- 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);
+ len = printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
+ name, done / 1024, ratebs / 1024.0, etastr, pct);
+ if (len < prev_stats_len)
+ printf("%*s", prev_stats_len - len, "");
+ prev_stats_len = len;
- if (done == size)
- printf("\n");
+ if (done == size)
+ printf("\n");
+ }
}
/*
* Find a colon in str and return a pointer to the colon.
- * This is used to seperate hostname from filename.
+ * This is used to separate hostname from filename.
*/
-static char * colon(char *str)
+static char *colon(char *str)
{
/* We ignore a leading colon, since the hostname cannot be
- empty. We also ignore a colon as second character because
- of filenames like f:myfile.txt. */
- if (str[0] == '\0' ||
- str[0] == ':' ||
- str[1] == ':')
+ empty. We also ignore a colon as second character because
+ of filenames like f:myfile.txt. */
+ if (str[0] == '\0' || str[0] == ':' || str[1] == ':')
return (NULL);
- while (*str != '\0' &&
- *str != ':' &&
- *str != '/' &&
- *str != '\\')
+ while (*str != '\0' && *str != ':' && *str != '/' && *str != '\\')
str++;
if (*str == ':')
return (str);
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;
switch (resp) {
- case 0: /* ok */
+ case 0: /* ok */
return (0);
default:
rbuf[p++] = resp;
/* fallthrough */
- case 1: /* error */
- case 2: /* fatal error */
+ 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';
+ rbuf[p - 1] = '\0';
if (resp == 1)
- fprintf(stderr, "%s\n", rbuf);
+ tell_user(stderr, "%s\n", rbuf);
else
bump("%s", rbuf);
errs++;
va_list ap;
va_start(ap, fmt);
errs++;
- strcpy(str, "\01scp: ");
- vsprintf(str+strlen(str), fmt, ap);
+ strcpy(str, "scp: ");
+ vsprintf(str + strlen(str), fmt, ap);
strcat(str, "\n");
- ssh_send(str, strlen(str));
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, "\n");
+ back->send("\001", 1); /* scp protocol error prefix */
+ back->send(str, strlen(str));
+ tell_user(stderr, "%s", str);
va_end(ap);
}
time_t stat_starttime, stat_lasttime;
attr = GetFileAttributes(src);
- if (attr == -1) {
+ if (attr == (DWORD) - 1) {
run_err("%s: No such file or directory", src);
return;
}
if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
- if (recursive)
- rsource(src);
- else
+ if (recursive) {
+ /*
+ * Avoid . and .. directories.
+ */
+ char *p;
+ p = strrchr(src, '/');
+ if (!p)
+ p = strrchr(src, '\\');
+ if (!p)
+ p = src;
+ else
+ p++;
+ if (!strcmp(p, ".") || !strcmp(p, ".."))
+ /* skip . and .. */ ;
+ else
+ rsource(src);
+ } else {
run_err("%s: not a regular file", src);
+ }
return;
}
f = CreateFile(src, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, 0, 0);
if (f == INVALID_HANDLE_VALUE) {
- run_err("%s: Cannot open file");
+ run_err("%s: Cannot open file", src);
return;
}
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) {
- stat_bytes = 0;
- stat_starttime = time(NULL);
- stat_lasttime = 0;
- }
+ stat_bytes = 0;
+ stat_starttime = time(NULL);
+ stat_lasttime = 0;
for (i = 0; i < size; i += 4096) {
char transbuf[4096];
DWORD j, k = 4096;
- if (i + k > size) k = size - i;
- if (! ReadFile(f, transbuf, k, &j, NULL) || j != k) {
- if (statistics) printf("\n");
+ if (i + k > size)
+ k = size - i;
+ if (!ReadFile(f, transbuf, k, &j, NULL) || j != k) {
+ 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 ||
- i + k == size) {
+ if (time(NULL) != stat_lasttime || i + k == size) {
stat_lasttime = time(NULL);
print_stats(last, size, stat_bytes,
stat_starttime, 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;
while (ok) {
if (strcmp(fdat.cFileName, ".") == 0 ||
strcmp(fdat.cFileName, "..") == 0) {
- } else if (strlen(src) + 1 + strlen(fdat.cFileName) >=
- sizeof(buf)) {
+ } else if (strlen(src) + 1 + strlen(fdat.cFileName) >= sizeof(buf)) {
run_err("%s/%s: Name too long", src, fdat.cFileName);
} else {
sprintf(buf, "%s/%s", src, fdat.cFileName);
FindClose(dir);
sprintf(buf, "E\n");
- ssh_send(buf, strlen(buf));
+ back->send(buf, strlen(buf));
(void) response();
}
/*
* Execute the sink part of the SCP protocol.
*/
-static void sink(char *targ)
+static void sink(char *targ, char *src)
{
char buf[2048];
char namebuf[2048];
char ch;
int targisdir = 0;
- int settime = 0;
+ int settime;
int exists;
DWORD attr;
HANDLE f;
char *stat_name;
attr = GetFileAttributes(targ);
- if (attr != -1 && (attr & FILE_ATTRIBUTE_DIRECTORY) != 0)
+ if (attr != (DWORD) - 1 && (attr & FILE_ATTRIBUTE_DIRECTORY) != 0)
targisdir = 1;
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)
+ gottime:
+ 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';
+ buf[i - 1] = '\0';
switch (buf[0]) {
- case '\01': /* error */
- fprintf(stderr, "%s\n", buf+1);
+ case '\01': /* error */
+ tell_user(stderr, "%s\n", buf + 1);
errs++;
continue;
- case '\02': /* fatal error */
- bump("%s", buf+1);
+ 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) {
+ 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");
bump("Protocol error: Expected control record");
}
- if (sscanf(buf+1, "%u %lu %[^\n]", &mode, &size, namebuf) != 3)
+ if (sscanf(buf + 1, "%u %lu %[^\n]", &mode, &size, namebuf) != 3)
bump("Protocol error: Illegal file descriptor format");
+ /* Security fix: ensure the file ends up where we asked for it. */
if (targisdir) {
char t[2048];
+ char *p;
strcpy(t, targ);
if (targ[0] != '\0')
strcat(t, "/");
- strcat(t, namebuf);
+ p = namebuf + strlen(namebuf);
+ while (p > namebuf && p[-1] != '/' && p[-1] != '\\')
+ p--;
+ strcat(t, p);
strcpy(namebuf, t);
} else {
strcpy(namebuf, targ);
}
attr = GetFileAttributes(namebuf);
- exists = (attr != -1);
+ exists = (attr != (DWORD) - 1);
if (buf[0] == 'D') {
if (exists && (attr & FILE_ATTRIBUTE_DIRECTORY) == 0) {
continue;
}
if (!exists) {
- if (! CreateDirectory(namebuf, NULL)) {
- run_err("%s: Cannot create directory",
- namebuf);
+ if (!CreateDirectory(namebuf, NULL)) {
+ run_err("%s: Cannot create directory", namebuf);
continue;
}
}
- sink(namebuf);
+ sink(namebuf, NULL);
/* can we set the timestamp for directories ? */
continue;
}
continue;
}
- ssh_send("", 1);
+ back->send("", 1);
- if (statistics) {
- stat_bytes = 0;
- stat_starttime = time(NULL);
- stat_lasttime = 0;
- if ((stat_name = strrchr(namebuf, '/')) == NULL)
- stat_name = namebuf;
- else
- stat_name++;
- if (strrchr(stat_name, '\\') != NULL)
- stat_name = strrchr(stat_name, '\\') + 1;
- }
+ stat_bytes = 0;
+ stat_starttime = time(NULL);
+ stat_lasttime = 0;
+ if ((stat_name = strrchr(namebuf, '/')) == NULL)
+ stat_name = namebuf;
+ else
+ stat_name++;
+ if (strrchr(stat_name, '\\') != NULL)
+ stat_name = strrchr(stat_name, '\\') + 1;
for (i = 0; i < size; i += 4096) {
char transbuf[4096];
- int j, k = 4096;
- if (i + k > size) k = size - i;
- if (ssh_recv(transbuf, k) == 0)
+ DWORD j, k = 4096;
+ if (i + k > size)
+ k = size - i;
+ if (ssh_scp_recv(transbuf, k) == 0)
bump("Lost connection");
- if (wrerror) continue;
- if (! WriteFile(f, transbuf, k, &j, NULL) || j != k) {
+ if (wrerror)
+ continue;
+ if (!WriteFile(f, transbuf, k, &j, NULL) || j != k) {
wrerror = 1;
if (statistics)
printf("\r%-25.25s | %50s\n",
}
if (statistics) {
stat_bytes += k;
- if (time(NULL) > stat_lasttime ||
- i + k == size) {
+ if (time(NULL) > stat_lasttime || i + k == size) {
stat_lasttime = time(NULL);
print_stats(stat_name, size, stat_bytes,
stat_starttime, stat_lasttime);
run_err("%s: Write error", namebuf);
continue;
}
- ssh_send("", 1);
+ back->send("", 1);
}
}
char *cmd;
int i;
- targ = argv[argc-1];
+ targ = argv[argc - 1];
- /* Seperate host from filename */
+ /* Separate host from filename */
host = targ;
targ = colon(targ);
if (targ == NULL)
targ = ".";
/* Substitute "." for emtpy target */
- /* Seperate host and username */
+ /* Separate host and username */
user = host;
host = strrchr(host, '@');
if (host == NULL) {
if (argc == 2) {
/* Find out if the source filespec covers multiple files
- if so, we should set the targetshouldbedirectory flag */
+ if so, we should set the targetshouldbedirectory flag */
HANDLE fh;
WIN32_FIND_DATA fdat;
if (colon(argv[0]) != NULL)
verbose ? " -v" : "",
recursive ? " -r" : "",
preserve ? " -p" : "",
- targetshouldbedirectory ? " -d" : "",
- targ);
+ targetshouldbedirectory ? " -d" : "", targ);
do_cmd(host, user, cmd);
sfree(cmd);
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;
}
do {
char *last;
char namebuf[2048];
- if (strlen(src) + strlen(fdat.cFileName) >=
- sizeof(namebuf)) {
- fprintf(stderr, "%s: Name too long", src);
+ /*
+ * Ensure that . and .. are never matched by wildcards,
+ * but only by deliberate action.
+ */
+ if (!strcmp(fdat.cFileName, ".") ||
+ !strcmp(fdat.cFileName, "..")) {
+ /*
+ * Find*File has returned a special dir. We require
+ * that _either_ `src' ends in a backslash followed
+ * by that string, _or_ `src' is precisely that
+ * string.
+ */
+ int len = strlen(src), dlen = strlen(fdat.cFileName);
+ if (len == dlen && !strcmp(src, fdat.cFileName)) {
+ /* ok */ ;
+ } else if (len > dlen + 1 && src[len - dlen - 1] == '\\' &&
+ !strcmp(src + len - dlen, fdat.cFileName)) {
+ /* ok */ ;
+ } else
+ continue; /* ignore this one */
+ }
+ if (strlen(src) + strlen(fdat.cFileName) >= sizeof(namebuf)) {
+ tell_user(stderr, "%s: Name too long", src);
continue;
}
strcpy(namebuf, src);
src = argv[0];
targ = argv[1];
- /* Seperate host from filename */
+ /* Separate host from filename */
host = src;
src = colon(src);
if (src == NULL)
src = ".";
/* Substitute "." for empty filename */
- /* Seperate username and hostname */
+ /* Separate username and hostname */
user = host;
host = strrchr(host, '@');
if (host == NULL) {
verbose ? " -v" : "",
recursive ? " -r" : "",
preserve ? " -p" : "",
- targetshouldbedirectory ? " -d" : "",
- src);
+ targetshouldbedirectory ? " -d" : "", src);
+ do_cmd(host, user, cmd);
+ sfree(cmd);
+
+ sink(targ, src);
+}
+
+/*
+ * We will issue a list command to get a remote directory.
+ */
+static void get_dir_list(int argc, char *argv[])
+{
+ char *src, *host, *user;
+ char *cmd, *p, *q;
+ char c;
+
+ src = argv[0];
+
+ /* Separate host from filename */
+ host = src;
+ src = colon(src);
+ if (src == NULL)
+ bump("Local to local copy not supported");
+ *src++ = '\0';
+ if (*src == '\0')
+ src = ".";
+ /* Substitute "." for empty filename */
+
+ /* Separate username and hostname */
+ user = host;
+ host = strrchr(host, '@');
+ if (host == NULL) {
+ host = user;
+ user = NULL;
+ } else {
+ *host++ = '\0';
+ if (*user == '\0')
+ user = NULL;
+ }
+
+ cmd = smalloc(4 * strlen(src) + 100);
+ strcpy(cmd, "ls -la '");
+ p = cmd + strlen(cmd);
+ for (q = src; *q; q++) {
+ if (*q == '\'') {
+ *p++ = '\'';
+ *p++ = '\\';
+ *p++ = '\'';
+ *p++ = '\'';
+ } else {
+ *p++ = *q;
+ }
+ }
+ *p++ = '\'';
+ *p = '\0';
+
do_cmd(host, user, cmd);
sfree(cmd);
- sink(targ);
+ while (ssh_scp_recv(&c, 1) > 0)
+ tell_char(stdout, c);
}
/*
* Initialize the Win$ock driver.
*/
-static void init_winsock()
+static void init_winsock(void)
{
WORD winsock_ver;
WSADATA wsadata;
winsock_ver = MAKEWORD(1, 1);
if (WSAStartup(winsock_ver, &wsadata))
bump("Unable to initialise WinSock");
- if (LOBYTE(wsadata.wVersion) != 1 ||
- HIBYTE(wsadata.wVersion) != 1)
+ if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1)
bump("WinSock version is incompatible with 1.1");
}
/*
* Short description of parameters.
*/
-static void usage()
+static void usage(void)
{
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");
+#if 0
+ /*
+ * -gui is an internal option, used by GUI front ends to get
+ * pscp to pass progress reports back to them. It's not an
+ * ordinary user-accessible option, so it shouldn't be part of
+ * the command-line help. The only people who need to know
+ * about it are programmers, and they can read the source.
+ */
+ printf
+ (" -gui hWnd GUI mode with the windows handle for receiving messages\n");
+#endif
exit(1);
}
{
int i;
+ default_protocol = PROT_TELNET;
+
+ flags = FLAG_STDERR;
+ ssh_get_line = &get_line;
init_winsock();
+ sk_init();
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)
preserve = 1;
else if (strcmp(argv[i], "-q") == 0)
statistics = 0;
- else if (strcmp(argv[i], "-h") == 0 ||
- strcmp(argv[i], "-?") == 0)
+ else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-?") == 0)
usage();
- else if (strcmp(argv[i], "-P") == 0 && i+1 < argc)
+ else if (strcmp(argv[i], "-P") == 0 && i + 1 < argc)
portnumber = atoi(argv[++i]);
- else if (strcmp(argv[i], "-pw") == 0 && i+1 < argc)
+ else if (strcmp(argv[i], "-pw") == 0 && i + 1 < argc)
password = argv[++i];
- else if (strcmp(argv[i], "--") == 0)
- { i++; break; }
- else
+ 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
usage();
}
argc -= i;
argv += i;
+ back = NULL;
+
+ if (list) {
+ if (argc != 1)
+ usage();
+ get_dir_list(argc, argv);
- if (argc < 2)
- usage();
- if (argc > 2)
- targetshouldbedirectory = 1;
+ } else {
- if (colon(argv[argc-1]) != NULL)
- toremote(argc, argv);
- else
- tolocal(argc, argv);
+ if (argc < 2)
+ usage();
+ if (argc > 2)
+ targetshouldbedirectory = 1;
+
+ if (colon(argv[argc - 1]) != NULL)
+ toremote(argc, argv);
+ else
+ tolocal(argc, argv);
+ }
- if (connection_open) {
+ if (back != NULL && back->socket() != NULL) {
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);
}