* psftp.c: front end for PSFTP.
*/
-#include <windows.h>
-
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#define PUTTY_DO_GLOBALS
#include "putty.h"
+#include "psftp.h"
#include "storage.h"
#include "ssh.h"
#include "sftp.h"
*/
static int psftp_connect(char *userhost, char *user, int portnumber);
-static void do_sftp_init(void);
+static int do_sftp_init(void);
/* ----------------------------------------------------------------------
* sftp client state.
*/
char *pwd, *homedir;
+static Backend *back;
+static void *backhandle;
+static Config cfg;
/* ----------------------------------------------------------------------
* Higher-level helper functions used in commands.
char *canonify(char *name)
{
char *fullname, *canonname;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
if (name[0] == '/') {
fullname = dupstr(name);
fullname = dupcat(pwd, slash, name, NULL);
}
- canonname = fxp_realpath(fullname);
+ sftp_register(req = fxp_realpath_send(fullname));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ canonname = fxp_realpath_recv(pktin, rreq);
if (canonname) {
sfree(fullname);
*/
fullname[i] = '\0'; /* separate the string */
if (i == 0) {
- canonname = fxp_realpath("/");
+ sftp_register(req = fxp_realpath_send("/"));
} else {
- canonname = fxp_realpath(fullname);
+ sftp_register(req = fxp_realpath_send(fullname));
}
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ canonname = fxp_realpath_recv(pktin, rreq);
if (!canonname)
return fullname; /* even that failed; give up */
*/
static int sftp_ls_compare(const void *av, const void *bv)
{
- const struct fxp_name *a = (const struct fxp_name *) av;
- const struct fxp_name *b = (const struct fxp_name *) bv;
- return strcmp(a->filename, b->filename);
+ const struct fxp_name *const *a = (const struct fxp_name *const *) av;
+ const struct fxp_name *const *b = (const struct fxp_name *const *) bv;
+ return strcmp((*a)->filename, (*b)->filename);
}
int sftp_cmd_ls(struct sftp_command *cmd)
{
struct fxp_handle *dirh;
struct fxp_names *names;
- struct fxp_name *ournames;
+ struct fxp_name **ournames;
int nnames, namesize;
char *dir, *cdir;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
int i;
if (back == NULL) {
printf("Listing directory %s\n", cdir);
- dirh = fxp_opendir(cdir);
+ sftp_register(req = fxp_opendir_send(cdir));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ dirh = fxp_opendir_recv(pktin, rreq);
+
if (dirh == NULL) {
printf("Unable to open %s: %s\n", dir, fxp_error());
} else {
while (1) {
- names = fxp_readdir(dirh);
+ sftp_register(req = fxp_readdir_send(dirh));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ names = fxp_readdir_recv(pktin, rreq);
+
if (names == NULL) {
if (fxp_error_type() == SSH_FX_EOF)
break;
if (nnames + names->nnames >= namesize) {
namesize += names->nnames + 128;
- ournames =
- srealloc(ournames, namesize * sizeof(*ournames));
+ ournames = sresize(ournames, namesize, struct fxp_name *);
}
for (i = 0; i < names->nnames; i++)
- ournames[nnames++] = names->names[i];
+ ournames[nnames++] = fxp_dup_name(&names->names[i]);
- names->nnames = 0; /* prevent free_names */
fxp_free_names(names);
}
- fxp_close(dirh);
+ sftp_register(req = fxp_close_send(dirh));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ fxp_close_recv(pktin, rreq);
/*
* Now we have our filenames. Sort them by actual file
/*
* And print them.
*/
- for (i = 0; i < nnames; i++)
- printf("%s\n", ournames[i].longname);
+ for (i = 0; i < nnames; i++) {
+ printf("%s\n", ournames[i]->longname);
+ fxp_free_name(ournames[i]);
+ }
+ sfree(ournames);
}
sfree(cdir);
int sftp_cmd_cd(struct sftp_command *cmd)
{
struct fxp_handle *dirh;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
char *dir;
if (back == NULL) {
return 0;
}
- dirh = fxp_opendir(dir);
+ sftp_register(req = fxp_opendir_send(dir));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ dirh = fxp_opendir_recv(pktin, rreq);
+
if (!dirh) {
printf("Directory %s: %s\n", dir, fxp_error());
sfree(dir);
return 0;
}
- fxp_close(dirh);
+ sftp_register(req = fxp_close_send(dirh));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ fxp_close_recv(pktin, rreq);
sfree(pwd);
pwd = dir;
int sftp_general_get(struct sftp_command *cmd, int restart)
{
struct fxp_handle *fh;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
+ struct fxp_xfer *xfer;
char *fname, *outfname;
uint64 offset;
FILE *fp;
outfname = (cmd->nwords == 2 ?
stripslashes(cmd->words[1], 0) : cmd->words[2]);
- fh = fxp_open(fname, SSH_FXF_READ);
+ sftp_register(req = fxp_open_send(fname, SSH_FXF_READ));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ fh = fxp_open_recv(pktin, rreq);
+
if (!fh) {
printf("%s: %s\n", fname, fxp_error());
sfree(fname);
if (!fp) {
printf("local: unable to open %s\n", outfname);
- fxp_close(fh);
+
+ sftp_register(req = fxp_close_send(fh));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ fxp_close_recv(pktin, rreq);
+
sfree(fname);
return 0;
}
* thus put up a progress bar.
*/
ret = 1;
- while (1) {
- char buffer[4096];
- int len;
+ xfer = xfer_download_init(fh, offset);
+ while (!xfer_done(xfer)) {
+ void *vbuf;
+ int ret, len;
int wpos, wlen;
- len = fxp_read(fh, buffer, offset, sizeof(buffer));
- if ((len == -1 && fxp_error_type() == SSH_FX_EOF) || len == 0)
- break;
- if (len == -1) {
- printf("error while reading: %s\n", fxp_error());
- ret = 0;
- break;
+ xfer_download_queue(xfer);
+ pktin = sftp_recv();
+ ret = xfer_download_gotpkt(xfer, pktin);
+
+ if (ret < 0) {
+ printf("error while reading: %s\n", fxp_error());
+ ret = 0;
}
- wpos = 0;
- while (wpos < len) {
- wlen = fwrite(buffer, 1, len - wpos, fp);
- if (wlen <= 0) {
- printf("error while writing local file\n");
+ while (xfer_download_data(xfer, &vbuf, &len)) {
+ unsigned char *buf = (unsigned char *)vbuf;
+
+ wpos = 0;
+ while (wpos < len) {
+ wlen = fwrite(buf + wpos, 1, len - wpos, fp);
+ if (wlen <= 0) {
+ printf("error while writing local file\n");
+ ret = 0;
+ xfer_set_error(xfer);
+ }
+ wpos += wlen;
+ }
+ if (wpos < len) { /* we had an error */
ret = 0;
- break;
+ xfer_set_error(xfer);
}
- wpos += wlen;
}
- if (wpos < len) { /* we had an error */
- ret = 0;
- break;
- }
- offset = uint64_add32(offset, len);
}
+ xfer_cleanup(xfer);
+
fclose(fp);
- fxp_close(fh);
+
+ sftp_register(req = fxp_close_send(fh));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ fxp_close_recv(pktin, rreq);
+
sfree(fname);
return ret;
int sftp_general_put(struct sftp_command *cmd, int restart)
{
struct fxp_handle *fh;
+ struct fxp_xfer *xfer;
char *fname, *origoutfname, *outfname;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
uint64 offset;
FILE *fp;
- int ret;
+ int ret, err, eof;
if (back == NULL) {
printf("psftp: not connected to a host; use \"open host.name\"\n");
return 0;
}
if (restart) {
- fh = fxp_open(outfname,
- SSH_FXF_WRITE);
+ sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE));
} else {
- fh = fxp_open(outfname,
- SSH_FXF_WRITE | SSH_FXF_CREAT | SSH_FXF_TRUNC);
+ sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE |
+ SSH_FXF_CREAT | SSH_FXF_TRUNC));
}
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ fh = fxp_open_recv(pktin, rreq);
+
if (!fh) {
printf("%s: %s\n", outfname, fxp_error());
sfree(outfname);
if (restart) {
char decbuf[30];
struct fxp_attrs attrs;
- if (!fxp_fstat(fh, &attrs)) {
+ int ret;
+
+ sftp_register(req = fxp_fstat_send(fh));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ ret = fxp_fstat_recv(pktin, rreq, &attrs);
+
+ if (!ret) {
printf("read size of %s: %s\n", outfname, fxp_error());
sfree(outfname);
return 0;
* thus put up a progress bar.
*/
ret = 1;
- while (1) {
+ xfer = xfer_upload_init(fh, offset);
+ err = eof = 0;
+ while ((!err && !eof) || !xfer_done(xfer)) {
char buffer[4096];
- int len;
-
- len = fread(buffer, 1, sizeof(buffer), fp);
- if (len == -1) {
- printf("error while reading local file\n");
- ret = 0;
- break;
- } else if (len == 0) {
- break;
+ int len, ret;
+
+ while (xfer_upload_ready(xfer) && !err && !eof) {
+ len = fread(buffer, 1, sizeof(buffer), fp);
+ if (len == -1) {
+ printf("error while reading local file\n");
+ err = 1;
+ } else if (len == 0) {
+ eof = 1;
+ } else {
+ xfer_upload_data(xfer, buffer, len);
+ }
}
- if (!fxp_write(fh, buffer, offset, len)) {
+
+ pktin = sftp_recv();
+ ret = xfer_upload_gotpkt(xfer, pktin);
+
+ if (!ret) {
printf("error while writing: %s\n", fxp_error());
- ret = 0;
- break;
+ err = 1;
}
- offset = uint64_add32(offset, len);
}
- fxp_close(fh);
+ xfer_cleanup(xfer);
+
+ sftp_register(req = fxp_close_send(fh));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ fxp_close_recv(pktin, rreq);
+
fclose(fp);
sfree(outfname);
int sftp_cmd_mkdir(struct sftp_command *cmd)
{
char *dir;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
int result;
if (back == NULL) {
return 0;
}
- result = fxp_mkdir(dir);
+ sftp_register(req = fxp_mkdir_send(dir));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ result = fxp_mkdir_recv(pktin, rreq);
+
if (!result) {
printf("mkdir %s: %s\n", dir, fxp_error());
sfree(dir);
int sftp_cmd_rmdir(struct sftp_command *cmd)
{
char *dir;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
int result;
if (back == NULL) {
return 0;
}
- result = fxp_rmdir(dir);
+ sftp_register(req = fxp_rmdir_send(dir));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ result = fxp_rmdir_recv(pktin, rreq);
+
if (!result) {
printf("rmdir %s: %s\n", dir, fxp_error());
sfree(dir);
int sftp_cmd_rm(struct sftp_command *cmd)
{
char *fname;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
int result;
if (back == NULL) {
return 0;
}
- result = fxp_remove(fname);
+ sftp_register(req = fxp_remove_send(fname));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ result = fxp_remove_recv(pktin, rreq);
+
if (!result) {
printf("rm %s: %s\n", fname, fxp_error());
sfree(fname);
int sftp_cmd_mv(struct sftp_command *cmd)
{
char *srcfname, *dstfname;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
int result;
if (back == NULL) {
return 0;
}
- result = fxp_rename(srcfname, dstfname);
+ sftp_register(req = fxp_rename_send(srcfname, dstfname));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ result = fxp_rename_recv(pktin, rreq);
+
if (!result) {
char const *error = fxp_error();
struct fxp_attrs attrs;
* _is_ a directory, we re-attempt the move by appending
* the basename of srcfname to dstfname.
*/
- result = fxp_stat(dstfname, &attrs);
+ sftp_register(req = fxp_stat_send(dstfname));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ result = fxp_stat_recv(pktin, rreq, &attrs);
+
if (result &&
(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) &&
(attrs.permissions & 0040000)) {
if (newcanon) {
sfree(dstfname);
dstfname = newcanon;
- result = fxp_rename(srcfname, dstfname);
+
+ sftp_register(req = fxp_rename_send(srcfname, dstfname));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ result = fxp_rename_recv(pktin, rreq);
+
error = result ? NULL : fxp_error();
}
}
int result;
struct fxp_attrs attrs;
unsigned attrs_clr, attrs_xor, oldperms, newperms;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
if (back == NULL) {
printf("psftp: not connected to a host; use \"open host.name\"\n");
default:
printf("chmod: file mode '%.*s' contains unrecognised"
" user/group/other specifier '%c'\n",
- strcspn(modebegin, ","), modebegin, *mode);
+ (int)strcspn(modebegin, ","), modebegin, *mode);
return 0;
}
mode++;
}
if (!*mode || *mode == ',') {
printf("chmod: file mode '%.*s' is incomplete\n",
- strcspn(modebegin, ","), modebegin);
+ (int)strcspn(modebegin, ","), modebegin);
return 0;
}
action = *mode++;
if (!*mode || *mode == ',') {
printf("chmod: file mode '%.*s' is incomplete\n",
- strcspn(modebegin, ","), modebegin);
+ (int)strcspn(modebegin, ","), modebegin);
return 0;
}
perms = 0;
(subset & 06777) != 02070) {
printf("chmod: file mode '%.*s': set[ug]id bit should"
" be used with exactly one of u or g only\n",
- strcspn(modebegin, ","), modebegin);
+ (int)strcspn(modebegin, ","), modebegin);
return 0;
}
perms |= 06000;
default:
printf("chmod: file mode '%.*s' contains unrecognised"
" permission specifier '%c'\n",
- strcspn(modebegin, ","), modebegin, *mode);
+ (int)strcspn(modebegin, ","), modebegin, *mode);
return 0;
}
mode++;
if (!(subset & 06777) && (perms &~ subset)) {
printf("chmod: file mode '%.*s' contains no user/group/other"
" specifier and permissions other than 't' \n",
- strcspn(modebegin, ","), modebegin, *mode);
+ (int)strcspn(modebegin, ","), modebegin);
return 0;
}
perms &= subset;
return 0;
}
- result = fxp_stat(fname, &attrs);
+ sftp_register(req = fxp_stat_send(fname));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ result = fxp_stat_recv(pktin, rreq, &attrs);
+
if (!result || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS)) {
printf("get attrs for %s: %s\n", fname,
result ? "file permissions not provided" : fxp_error());
attrs.permissions ^= attrs_xor;
newperms = attrs.permissions & 07777;
- result = fxp_setstat(fname, attrs);
+ sftp_register(req = fxp_setstat_send(fname, attrs));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ result = fxp_setstat_recv(pktin, rreq);
if (!result) {
printf("set attrs for %s: %s\n", fname, fxp_error());
static int sftp_cmd_lcd(struct sftp_command *cmd)
{
- char *currdir;
- int len;
+ char *currdir, *errmsg;
if (cmd->nwords < 2) {
printf("lcd: expects a local directory name\n");
return 0;
}
- if (!SetCurrentDirectory(cmd->words[1])) {
- LPVOID message;
- int i;
- FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
- FORMAT_MESSAGE_FROM_SYSTEM |
- FORMAT_MESSAGE_IGNORE_INSERTS,
- NULL, GetLastError(),
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
- (LPTSTR)&message, 0, NULL);
- i = strcspn((char *)message, "\n");
- printf("lcd: unable to change directory: %.*s\n", i, (LPCTSTR)message);
- LocalFree(message);
+ errmsg = psftp_lcd(cmd->words[1]);
+ if (errmsg) {
+ printf("lcd: unable to change directory: %s\n", errmsg);
+ sfree(errmsg);
return 0;
}
- currdir = smalloc(256);
- len = GetCurrentDirectory(256, currdir);
- if (len > 256)
- currdir = srealloc(currdir, len);
- GetCurrentDirectory(len, currdir);
+ currdir = psftp_getcwd();
printf("New local directory is %s\n", currdir);
sfree(currdir);
static int sftp_cmd_lpwd(struct sftp_command *cmd)
{
char *currdir;
- int len;
- currdir = smalloc(256);
- len = GetCurrentDirectory(256, currdir);
- if (len > 256)
- currdir = srealloc(currdir, len);
- GetCurrentDirectory(len, currdir);
+ currdir = psftp_getcwd();
printf("Current local directory is %s\n", currdir);
sfree(currdir);
* in ASCII order.
*/
{
- "!", TRUE, "run a local Windows command",
+ "!", TRUE, "run a local command",
"<command>\n"
- " Runs a local Windows command. For example, \"!del myfile\".\n",
+ /* FIXME: this example is crap for non-Windows. */
+ " Runs a local command. For example, \"!del myfile\".\n",
sftp_cmd_pling
},
{
}
fflush(stdout);
- cmd = smalloc(sizeof(struct sftp_command));
+ cmd = snew(struct sftp_command);
cmd->words = NULL;
cmd->nwords = 0;
cmd->wordssize = 0;
char *ret;
linesize += 512;
- line = srealloc(line, linesize);
+ line = sresize(line, linesize, char);
ret = fgets(line + linelen, linesize - linelen, fp);
if (!ret || (linelen == 0 && line[0] == '\0')) {
* containing everything else on the line.
*/
cmd->nwords = cmd->wordssize = 2;
- cmd->words = srealloc(cmd->words, cmd->wordssize * sizeof(char *));
+ cmd->words = sresize(cmd->words, cmd->wordssize, char *);
cmd->words[0] = "!";
cmd->words[1] = p+1;
} else {
*r = '\0';
if (cmd->nwords >= cmd->wordssize) {
cmd->wordssize = cmd->nwords + 16;
- cmd->words =
- srealloc(cmd->words, cmd->wordssize * sizeof(char *));
+ cmd->words = sresize(cmd->words, cmd->wordssize, char *);
}
cmd->words[cmd->nwords++] = q;
}
return cmd;
}
-static void do_sftp_init(void)
+static int do_sftp_init(void)
{
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
+
/*
* Do protocol initialisation.
*/
if (!fxp_init()) {
fprintf(stderr,
"Fatal: unable to initialise SFTP: %s\n", fxp_error());
- return;
+ return 1; /* failure */
}
/*
* Find out where our home directory is.
*/
- homedir = fxp_realpath(".");
+ sftp_register(req = fxp_realpath_send("."));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ homedir = fxp_realpath_recv(pktin, rreq);
+
if (!homedir) {
fprintf(stderr,
"Warning: failed to resolve home directory: %s\n",
printf("Remote working directory is %s\n", homedir);
}
pwd = dupstr(homedir);
+ return 0;
}
void do_sftp(int mode, int modeflags, char *batchfile)
static int verbose = 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);
- }
-}
-
-/*
- * Ask whether the selected cipher is acceptable (since it was
- * below the configured 'warn' threshold).
- * cs: 0 = both ways, 1 = client->server, 2 = server->client
- */
-void askcipher(char *ciphername, int cs)
-{
- HANDLE hin;
- DWORD savemode, i;
-
- static const char msg[] =
- "The first %scipher supported by the server is\n"
- "%s, which is below the configured warning threshold.\n"
- "Continue with connection? (y/n) ";
- static const char abandoned[] = "Connection abandoned.\n";
-
- char line[32];
-
- fprintf(stderr, msg,
- (cs == 0) ? "" :
- (cs == 1) ? "client-to-server " :
- "server-to-client ",
- ciphername);
- 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] == 'y' || line[0] == 'Y') {
- return;
- } else {
- fprintf(stderr, abandoned);
- exit(0);
- }
-}
-
-/*
- * Ask whether to wipe a session log file before writing to it.
- * Returns 2 for wipe, 1 for append, 0 for cancel (don't log).
- */
-int askappend(char *filename)
-{
- HANDLE hin;
- DWORD savemode, i;
-
- static const char msgtemplate[] =
- "The session log file \"%.*s\" already exists.\n"
- "You can overwrite it with a new session log,\n"
- "append your session log to the end of it,\n"
- "or disable session logging for this session.\n"
- "Enter \"y\" to wipe the file, \"n\" to append to it,\n"
- "or just press Return to disable logging.\n"
- "Wipe the log file? (y/n, Return cancels logging) ";
-
- char line[32];
-
- fprintf(stderr, msgtemplate, FILENAME_MAX, filename);
- 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] == 'y' || line[0] == 'Y')
- return 2;
- else if (line[0] == 'n' || line[0] == 'N')
- return 1;
- else
- return 0;
-}
-
-/*
- * Warn about the obsolescent key file format.
- */
-void old_keyfile_warning(void)
-{
- static const char message[] =
- "You are loading an SSH 2 private key which has an\n"
- "old version of the file format. This means your key\n"
- "file is not fully tamperproof. Future versions of\n"
- "PuTTY may stop supporting this private key format,\n"
- "so we recommend you convert your key to the new\n"
- "format.\n"
- "\n"
- "Once the key is loaded into PuTTYgen, you can perform\n"
- "this conversion simply by saving it again.\n";
-
- fputs(message, stderr);
-}
-
/*
* Print an error message and perform a fatal exit.
*/
void fatalbox(char *fmt, ...)
{
- char str[0x100]; /* Make the size big enough */
+ char *str, *str2;
va_list ap;
va_start(ap, fmt);
- strcpy(str, "Fatal:");
- vsprintf(str + strlen(str), fmt, ap);
+ str = dupvprintf(fmt, ap);
+ str2 = dupcat("Fatal: ", str, "\n", NULL);
+ sfree(str);
va_end(ap);
- strcat(str, "\n");
- fputs(str, stderr);
+ fputs(str2, stderr);
+ sfree(str2);
- exit(1);
+ cleanup_exit(1);
}
-void connection_fatal(char *fmt, ...)
+void modalfatalbox(char *fmt, ...)
{
- char str[0x100]; /* Make the size big enough */
+ char *str, *str2;
va_list ap;
va_start(ap, fmt);
- strcpy(str, "Fatal:");
- vsprintf(str + strlen(str), fmt, ap);
+ str = dupvprintf(fmt, ap);
+ str2 = dupcat("Fatal: ", str, "\n", NULL);
+ sfree(str);
va_end(ap);
- strcat(str, "\n");
- fputs(str, stderr);
+ fputs(str2, stderr);
+ sfree(str2);
- exit(1);
+ cleanup_exit(1);
}
-
-void logevent(char *string)
+void connection_fatal(void *frontend, char *fmt, ...)
{
+ char *str, *str2;
+ va_list ap;
+ va_start(ap, fmt);
+ str = dupvprintf(fmt, ap);
+ str2 = dupcat("Fatal: ", str, "\n", NULL);
+ sfree(str);
+ va_end(ap);
+ fputs(str2, stderr);
+ sfree(str2);
+
+ cleanup_exit(1);
}
-void ldisc_send(char *buf, int len, int interactive)
+void ldisc_send(void *handle, char *buf, int len, int interactive)
{
/*
* This is only here because of the calls to ldisc_send(NULL,
}
/*
- * Be told what socket we're supposed to be using.
+ * In psftp, all agent requests should be synchronous, so this is a
+ * never-called stub.
*/
-static SOCKET sftp_ssh_socket;
-char *do_select(SOCKET skt, int startup)
+void agent_schedule_callback(void (*callback)(void *, void *, int),
+ void *callback_ctx, void *data, int len)
{
- if (startup)
- sftp_ssh_socket = skt;
- else
- sftp_ssh_socket = INVALID_SOCKET;
- return NULL;
+ assert(!"We shouldn't be here");
}
-extern int select_result(WPARAM, LPARAM);
/*
* Receive a block of data from the SSH link. Block until all 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 */
-int from_backend(int is_stderr, char *data, int datalen)
+int from_backend(void *frontend, int is_stderr, const char *data, int datalen)
{
unsigned char *p = (unsigned char *) data;
unsigned len = (unsigned) datalen;
+ assert(len > 0);
+
/*
* stderr data is just spouted to local stderr and otherwise
* ignored.
if (len > 0) {
if (pendsize < pendlen + len) {
pendsize = pendlen + len + 4096;
- pending = (pending ? srealloc(pending, pendsize) :
- smalloc(pendsize));
- if (!pending)
- fatalbox("Out of memory");
+ pending = sresize(pending, pendsize, unsigned char);
}
memcpy(pending + pendlen, p, len);
pendlen += len;
}
while (outlen > 0) {
- fd_set readfds;
-
- FD_ZERO(&readfds);
- FD_SET(sftp_ssh_socket, &readfds);
- if (select(1, &readfds, NULL, NULL, NULL) < 0)
+ if (ssh_sftp_loop_iteration() < 0)
return 0; /* doom */
- select_result((WPARAM) sftp_ssh_socket, (LPARAM) FD_READ);
}
return 1;
}
int sftp_senddata(char *buf, int len)
{
- back->send((unsigned char *) buf, len);
+ back->send(backhandle, (unsigned char *) buf, len);
return 1;
}
/*
- * Loop through the ssh connection and authentication process.
- */
-static void ssh_sftp_init(void)
-{
- if (sftp_ssh_socket == INVALID_SOCKET)
- return;
- while (!back->sendok()) {
- fd_set readfds;
- FD_ZERO(&readfds);
- FD_SET(sftp_ssh_socket, &readfds);
- if (select(1, &readfds, NULL, NULL, NULL) < 0)
- return; /* doom */
- select_result((WPARAM) sftp_ssh_socket, (LPARAM) FD_READ);
- }
-}
-
-static char *password = NULL;
-static int get_line(const char *prompt, char *str, int maxlen, int is_pw)
-{
- HANDLE hin, hout;
- DWORD savemode, newmode, i;
-
- if (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) {
- fprintf(stderr, "Cannot get standard input/output handles\n");
- exit(1);
- }
-
- 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);
-
- WriteFile(hout, prompt, strlen(prompt), &i, NULL);
- ReadFile(hin, str, maxlen - 1, &i, NULL);
-
- SetConsoleMode(hin, savemode);
-
- if ((int) i > maxlen)
- i = maxlen - 1;
- else
- i = i - 2;
- str[i] = '\0';
-
- if (is_pw)
- WriteFile(hout, "\r\n", 2, &i, NULL);
-
- return 1;
-}
-
-/*
- * Initialize the Win$ock driver.
- */
-static void init_winsock(void)
-{
- WORD winsock_ver;
- WSADATA wsadata;
-
- winsock_ver = MAKEWORD(1, 1);
- if (WSAStartup(winsock_ver, &wsadata)) {
- fprintf(stderr, "Unable to initialise WinSock");
- exit(1);
- }
- if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1) {
- fprintf(stderr, "WinSock version is incompatible with 1.1");
- exit(1);
- }
-}
-
-/*
* Short description of parameters.
*/
static void usage(void)
printf(" -bc output batchfile commands\n");
printf(" -be don't stop batchfile processing if errors\n");
printf(" -v show verbose messages\n");
+ printf(" -load sessname Load settings from saved session\n");
+ printf(" -l user connect with specified username\n");
printf(" -P port connect to specified port\n");
printf(" -pw passw login with specified password\n");
- exit(1);
+ printf(" -1 -2 force use of particular SSH protocol version\n");
+ printf(" -C enable compression\n");
+ printf(" -i key private key file for authentication\n");
+ printf(" -batch disable all interactive prompts\n");
+ cleanup_exit(1);
}
/*
static int psftp_connect(char *userhost, char *user, int portnumber)
{
char *host, *realhost;
- char *err;
+ const char *err;
+ void *logctx;
/* Separate host and username */
host = userhost;
do_defaults(NULL, &cfg);
strncpy(cfg.host, host, sizeof(cfg.host) - 1);
cfg.host[sizeof(cfg.host) - 1] = '\0';
- cfg.port = 22;
}
/*
+ * Force use of SSH. (If they got the protocol wrong we assume the
+ * port is useless too.)
+ */
+ if (cfg.protocol != PROT_SSH) {
+ cfg.protocol = PROT_SSH;
+ cfg.port = 22;
+ }
+
+ /*
+ * Enact command-line overrides.
+ */
+ cmdline_run_saved(&cfg);
+
+ /*
* Trim leading whitespace off the hostname if it's there.
*/
{
*/
cfg.host[strcspn(cfg.host, ":")] = '\0';
+ /*
+ * Remove any remaining whitespace from the hostname.
+ */
+ {
+ int p1 = 0, p2 = 0;
+ while (cfg.host[p2] != '\0') {
+ if (cfg.host[p2] != ' ' && cfg.host[p2] != '\t') {
+ cfg.host[p1] = cfg.host[p2];
+ p1++;
+ }
+ p2++;
+ }
+ cfg.host[p1] = '\0';
+ }
+
/* Set username */
if (user != NULL && user[0] != '\0') {
strncpy(cfg.username, user, sizeof(cfg.username) - 1);
}
if (!cfg.username[0]) {
printf("login as: ");
+ fflush(stdout);
if (!fgets(cfg.username, sizeof(cfg.username), stdin)) {
fprintf(stderr, "psftp: aborting\n");
- exit(1);
+ cleanup_exit(1);
} else {
int len = strlen(cfg.username);
if (cfg.username[len - 1] == '\n')
}
}
- if (cfg.protocol != PROT_SSH)
- cfg.port = 22;
-
if (portnumber)
cfg.port = portnumber;
back = &ssh_backend;
- err = back->init(cfg.host, cfg.port, &realhost, 0);
+ err = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port, &realhost,0);
if (err != NULL) {
fprintf(stderr, "ssh_init: %s\n", err);
return 1;
}
- ssh_sftp_init();
+ logctx = log_init(NULL, &cfg);
+ back->provide_logctx(backhandle, logctx);
+ console_provide_logctx(logctx);
+ while (!back->sendok(backhandle)) {
+ if (ssh_sftp_loop_iteration() < 0) {
+ fprintf(stderr, "ssh_init: error during SSH connection setup\n");
+ return 1;
+ }
+ }
if (verbose && realhost != NULL)
printf("Connected to %s\n", realhost);
return 0;
}
+void cmdline_error(char *p, ...)
+{
+ va_list ap;
+ fprintf(stderr, "psftp: ");
+ va_start(ap, p);
+ vfprintf(stderr, p, ap);
+ va_end(ap);
+ fprintf(stderr, "\n try typing \"psftp -h\" for help\n");
+ exit(1);
+}
+
/*
* Main program. Parse arguments etc.
*/
-int main(int argc, char *argv[])
+int psftp_main(int argc, char *argv[])
{
int i;
int portnumber = 0;
int mode = 0;
int modeflags = 0;
char *batchfile = NULL;
-
- flags = FLAG_STDERR | FLAG_INTERACTIVE;
- ssh_get_line = &get_line;
- init_winsock();
+ int errors = 0;
+
+ flags = FLAG_STDERR | FLAG_INTERACTIVE
+#ifdef FLAG_SYNCAGENT
+ | FLAG_SYNCAGENT
+#endif
+ ;
+ cmdline_tooltype = TOOLTYPE_FILETRANSFER;
+ ssh_get_line = &console_get_line;
sk_init();
userhost = user = NULL;
+ errors = 0;
for (i = 1; i < argc; i++) {
+ int ret;
if (argv[i][0] != '-') {
- if (userhost)
- usage();
- else
- userhost = dupstr(argv[i]);
- } else if (strcmp(argv[i], "-v") == 0) {
- verbose = 1, flags |= FLAG_VERBOSE;
+ if (userhost)
+ usage();
+ else
+ userhost = dupstr(argv[i]);
+ continue;
+ }
+ ret = cmdline_process_param(argv[i], i+1<argc?argv[i+1]:NULL, 1, &cfg);
+ if (ret == -2) {
+ cmdline_error("option \"%s\" requires an argument", argv[i]);
+ } else if (ret == 2) {
+ i++; /* skip next argument */
+ } else if (ret == 1) {
+ /* We have our own verbosity in addition to `flags'. */
+ if (flags & FLAG_VERBOSE)
+ verbose = 1;
} else if (strcmp(argv[i], "-h") == 0 ||
strcmp(argv[i], "-?") == 0) {
usage();
- } else if (strcmp(argv[i], "-l") == 0 && i + 1 < argc) {
- user = argv[++i];
- } else if (strcmp(argv[i], "-P") == 0 && i + 1 < argc) {
- portnumber = atoi(argv[++i]);
- } else if (strcmp(argv[i], "-pw") == 0 && i + 1 < argc) {
- password = argv[++i];
+ } else if (strcmp(argv[i], "-batch") == 0) {
+ console_batch_mode = 1;
} else if (strcmp(argv[i], "-b") == 0 && i + 1 < argc) {
mode = 1;
batchfile = argv[++i];
i++;
break;
} else {
- usage();
+ cmdline_error("unknown option \"%s\"", argv[i]);
}
}
argc -= i;
if (userhost) {
if (psftp_connect(userhost, user, portnumber))
return 1;
- do_sftp_init();
+ if (do_sftp_init())
+ return 1;
} else {
printf("psftp: no hostname specified; use \"open host.name\""
" to connect\n");
do_sftp(mode, modeflags, batchfile);
- if (back != NULL && back->socket() != NULL) {
+ if (back != NULL && back->socket(backhandle) != NULL) {
char ch;
- back->special(TS_EOF);
+ back->special(backhandle, TS_EOF);
sftp_recvdata(&ch, 1);
}
- WSACleanup();
random_save_seed();
return 0;
projects / u / mdw / putty / blobdiff