/*
- * psftp.c: front end for PSFTP.
+ * psftp.c: (platform-independent) 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 int do_sftp_init(void);
+void do_sftp_cleanup();
/* ----------------------------------------------------------------------
* sftp client state.
sftp_register(req = fxp_realpath_send(fullname));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- canonname = fxp_realpath_recv(pktin);
+ canonname = fxp_realpath_recv(pktin, rreq);
if (canonname) {
sfree(fullname);
}
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- canonname = fxp_realpath_recv(pktin);
+ canonname = fxp_realpath_recv(pktin, rreq);
if (!canonname)
return fullname; /* even that failed; give up */
return str;
}
+/*
+ * qsort comparison routine for fxp_name structures. Sorts by real
+ * file name.
+ */
+static int sftp_name_compare(const void *av, const void *bv)
+{
+ 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);
+}
+
+/*
+ * Likewise, but for a bare char *.
+ */
+static int bare_name_compare(const void *av, const void *bv)
+{
+ const char **a = (const char **) av;
+ const char **b = (const char **) bv;
+ return strcmp(*a, *b);
+}
+
+/* ----------------------------------------------------------------------
+ * The meat of the `get' and `put' commands.
+ */
+int sftp_get_file(char *fname, char *outfname, int recurse, int restart,
+ char *wildcard)
+{
+ struct fxp_handle *fh;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
+ struct fxp_xfer *xfer;
+ uint64 offset;
+ FILE *fp;
+ int ret, shown_err = FALSE;
+
+ /*
+ * In recursive mode, see if we're dealing with a directory.
+ * (If we're not in recursive mode, we need not even check: the
+ * subsequent FXP_OPEN will return a usable error message.)
+ */
+ if (wildcard || recurse) {
+ struct fxp_attrs attrs;
+ int result;
+
+ if (!wildcard) {
+ sftp_register(req = fxp_stat_send(fname));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ result = fxp_stat_recv(pktin, rreq, &attrs);
+ } else
+ result = 0; /* placate optimisers */
+
+ if (wildcard ||
+ (result &&
+ (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) &&
+ (attrs.permissions & 0040000))) {
+
+ struct fxp_handle *dirhandle;
+ int nnames, namesize;
+ struct fxp_name **ournames;
+ struct fxp_names *names;
+ int i;
+
+ /*
+ * First, attempt to create the destination directory,
+ * unless it already exists (or this is a wildcard
+ * run).
+ */
+ if (!wildcard &&
+ file_type(outfname) != FILE_TYPE_DIRECTORY &&
+ !create_directory(outfname)) {
+ printf("%s: Cannot create directory\n", outfname);
+ return 0;
+ }
+
+ /*
+ * Now get the list of filenames in the remote
+ * directory.
+ */
+ sftp_register(req = fxp_opendir_send(fname));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ dirhandle = fxp_opendir_recv(pktin, rreq);
+
+ if (!dirhandle) {
+ printf("%s: unable to open directory: %s\n",
+ fname, fxp_error());
+ return 0;
+ }
+ nnames = namesize = 0;
+ ournames = NULL;
+ while (1) {
+ int i;
+
+ sftp_register(req = fxp_readdir_send(dirhandle));
+ 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;
+ printf("%s: reading directory: %s\n", fname, fxp_error());
+ sfree(ournames);
+ return 0;
+ }
+ if (names->nnames == 0) {
+ fxp_free_names(names);
+ break;
+ }
+ if (nnames + names->nnames >= namesize) {
+ namesize += names->nnames + 128;
+ ournames = sresize(ournames, namesize, struct fxp_name *);
+ }
+ for (i = 0; i < names->nnames; i++)
+ if (strcmp(names->names[i].filename, ".") &&
+ strcmp(names->names[i].filename, "..") &&
+ (!wildcard || wc_match(wildcard,
+ names->names[i].filename))) {
+ if (!vet_filename(names->names[i].filename)) {
+ printf("ignoring potentially dangerous server-"
+ "supplied filename '%s'\n",
+ names->names[i].filename);
+ } else {
+ ournames[nnames++] =
+ fxp_dup_name(&names->names[i]);
+ }
+ }
+ fxp_free_names(names);
+ }
+ sftp_register(req = fxp_close_send(dirhandle));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ fxp_close_recv(pktin, rreq);
+
+ /*
+ * A polite warning if nothing at all matched the
+ * wildcard.
+ */
+ if (wildcard && !nnames) {
+ printf("%s: nothing matched\n", wildcard);
+ }
+
+ /*
+ * Sort the names into a clear order. This ought to
+ * make things more predictable when we're doing a
+ * reget of the same directory, just in case two
+ * readdirs on the same remote directory return a
+ * different order.
+ */
+ qsort(ournames, nnames, sizeof(*ournames), sftp_name_compare);
+
+ /*
+ * If we're in restart mode, find the last filename on
+ * this list that already exists. We may have to do a
+ * reget on _that_ file, but shouldn't have to do
+ * anything on the previous files.
+ *
+ * If none of them exists, of course, we start at 0.
+ */
+ i = 0;
+ while (i < nnames) {
+ char *nextoutfname;
+ int ret;
+ if (outfname)
+ nextoutfname = dir_file_cat(outfname,
+ ournames[i]->filename);
+ else
+ nextoutfname = dupstr(ournames[i]->filename);
+ ret = (file_type(nextoutfname) == FILE_TYPE_NONEXISTENT);
+ sfree(nextoutfname);
+ if (ret)
+ break;
+ i++;
+ }
+ if (i > 0)
+ i--;
+
+ /*
+ * Now we're ready to recurse. Starting at ournames[i]
+ * and continuing on to the end of the list, we
+ * construct a new source and target file name, and
+ * call sftp_get_file again.
+ */
+ for (; i < nnames; i++) {
+ char *nextfname, *nextoutfname;
+ int ret;
+
+ nextfname = dupcat(fname, "/", ournames[i]->filename, NULL);
+ if (outfname)
+ nextoutfname = dir_file_cat(outfname,
+ ournames[i]->filename);
+ else
+ nextoutfname = dupstr(ournames[i]->filename);
+ ret = sftp_get_file(nextfname, nextoutfname,
+ recurse, restart, NULL);
+ restart = FALSE; /* after first partial file, do full */
+ sfree(nextoutfname);
+ sfree(nextfname);
+ if (!ret) {
+ for (i = 0; i < nnames; i++) {
+ fxp_free_name(ournames[i]);
+ }
+ sfree(ournames);
+ return 0;
+ }
+ }
+
+ /*
+ * Done this recursion level. Free everything.
+ */
+ for (i = 0; i < nnames; i++) {
+ fxp_free_name(ournames[i]);
+ }
+ sfree(ournames);
+
+ return 1;
+ }
+ }
+
+ 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());
+ return 0;
+ }
+
+ if (restart) {
+ fp = fopen(outfname, "rb+");
+ } else {
+ fp = fopen(outfname, "wb");
+ }
+
+ if (!fp) {
+ printf("local: unable to open %s\n", outfname);
+
+ sftp_register(req = fxp_close_send(fh));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ fxp_close_recv(pktin, rreq);
+
+ return 0;
+ }
+
+ if (restart) {
+ long posn;
+ fseek(fp, 0L, SEEK_END);
+ posn = ftell(fp);
+ printf("reget: restarting at file position %ld\n", posn);
+ offset = uint64_make(0, posn);
+ } else {
+ offset = uint64_make(0, 0);
+ }
+
+ printf("remote:%s => local:%s\n", fname, outfname);
+
+ /*
+ * FIXME: we can use FXP_FSTAT here to get the file size, and
+ * thus put up a progress bar.
+ */
+ ret = 1;
+ xfer = xfer_download_init(fh, offset);
+ while (!xfer_done(xfer)) {
+ void *vbuf;
+ int ret, len;
+ int wpos, wlen;
+
+ xfer_download_queue(xfer);
+ pktin = sftp_recv();
+ ret = xfer_download_gotpkt(xfer, pktin);
+
+ if (ret < 0) {
+ if (!shown_err) {
+ printf("error while reading: %s\n", fxp_error());
+ shown_err = TRUE;
+ }
+ ret = 0;
+ }
+
+ 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;
+ xfer_set_error(xfer);
+ }
+
+ sfree(vbuf);
+ }
+ }
+
+ xfer_cleanup(xfer);
+
+ fclose(fp);
+
+ sftp_register(req = fxp_close_send(fh));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ fxp_close_recv(pktin, rreq);
+
+ return ret;
+}
+
+int sftp_put_file(char *fname, char *outfname, int recurse, int restart,
+ char *wildcard)
+{
+ struct fxp_handle *fh;
+ struct fxp_xfer *xfer;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
+ uint64 offset;
+ FILE *fp;
+ int ret, err, eof;
+
+ /*
+ * In recursive mode, see if we're dealing with a directory.
+ * (If we're not in recursive mode, we need not even check: the
+ * subsequent fopen will return an error message.)
+ */
+ if (wildcard || (recurse && file_type(fname) == FILE_TYPE_DIRECTORY)) {
+ struct fxp_attrs attrs;
+ int result;
+ int nnames, namesize;
+ char *name, **ournames;
+ DirHandle *dh;
+ int i;
+
+ if (!wildcard) {
+ /*
+ * First, attempt to create the destination directory,
+ * unless it already exists.
+ */
+ sftp_register(req = fxp_stat_send(outfname));
+ 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)) {
+ sftp_register(req = fxp_mkdir_send(outfname));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ result = fxp_mkdir_recv(pktin, rreq);
+
+ if (!result) {
+ printf("%s: create directory: %s\n",
+ outfname, fxp_error());
+ return 0;
+ }
+ }
+ }
+
+ /*
+ * Now get the list of filenames in the local directory.
+ */
+ nnames = namesize = 0;
+ ournames = NULL;
+ if (wildcard) {
+ WildcardMatcher *wcm;
+
+ wcm = begin_wildcard_matching(wildcard);
+ if (wcm) {
+ while ((name = wildcard_get_filename(wcm)) != NULL) {
+ if (nnames >= namesize) {
+ namesize += 128;
+ ournames = sresize(ournames, namesize, char *);
+ }
+ ournames[nnames++] = name;
+ }
+ finish_wildcard_matching(wcm);
+ }
+ } else {
+ dh = open_directory(fname);
+ if (!dh) {
+ printf("%s: unable to open directory\n", fname);
+ return 0;
+ }
+ while ((name = read_filename(dh)) != NULL) {
+ if (nnames >= namesize) {
+ namesize += 128;
+ ournames = sresize(ournames, namesize, char *);
+ }
+ ournames[nnames++] = name;
+ }
+ close_directory(dh);
+ }
+
+ /*
+ * A polite warning if nothing at all matched the
+ * wildcard.
+ */
+ if (wildcard && !nnames) {
+ printf("%s: nothing matched\n", wildcard);
+ }
+
+ /*
+ * Sort the names into a clear order. This ought to make
+ * things more predictable when we're doing a reput of the
+ * same directory, just in case two readdirs on the same
+ * local directory return a different order.
+ */
+ qsort(ournames, nnames, sizeof(*ournames), bare_name_compare);
+
+ /*
+ * If we're in restart mode, find the last filename on this
+ * list that already exists. We may have to do a reput on
+ * _that_ file, but shouldn't have to do anything on the
+ * previous files.
+ *
+ * If none of them exists, of course, we start at 0.
+ */
+ i = 0;
+ while (i < nnames) {
+ char *nextoutfname;
+ nextoutfname = dupcat(outfname, "/", ournames[i], NULL);
+ sftp_register(req = fxp_stat_send(nextoutfname));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ result = fxp_stat_recv(pktin, rreq, &attrs);
+ sfree(nextoutfname);
+ if (!result)
+ break;
+ i++;
+ }
+ if (i > 0)
+ i--;
+
+ /*
+ * Now we're ready to recurse. Starting at ournames[i]
+ * and continuing on to the end of the list, we
+ * construct a new source and target file name, and
+ * call sftp_put_file again.
+ */
+ for (; i < nnames; i++) {
+ char *nextfname, *nextoutfname;
+ int ret;
+
+ if (fname)
+ nextfname = dir_file_cat(fname, ournames[i]);
+ else
+ nextfname = dupstr(ournames[i]);
+ nextoutfname = dupcat(outfname, "/", ournames[i], NULL);
+ ret = sftp_put_file(nextfname, nextoutfname,
+ recurse, restart, NULL);
+ restart = FALSE; /* after first partial file, do full */
+ sfree(nextoutfname);
+ sfree(nextfname);
+ if (!ret) {
+ for (i = 0; i < nnames; i++) {
+ sfree(ournames[i]);
+ }
+ sfree(ournames);
+ return 0;
+ }
+ }
+
+ /*
+ * Done this recursion level. Free everything.
+ */
+ for (i = 0; i < nnames; i++) {
+ sfree(ournames[i]);
+ }
+ sfree(ournames);
+
+ return 1;
+ }
+
+ fp = fopen(fname, "rb");
+ if (!fp) {
+ printf("local: unable to open %s\n", fname);
+ return 0;
+ }
+ if (restart) {
+ sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE));
+ } else {
+ 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());
+ return 0;
+ }
+
+ if (restart) {
+ char decbuf[30];
+ struct fxp_attrs 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());
+ return 0;
+ }
+ if (!(attrs.flags & SSH_FILEXFER_ATTR_SIZE)) {
+ printf("read size of %s: size was not given\n", outfname);
+ return 0;
+ }
+ offset = attrs.size;
+ uint64_decimal(offset, decbuf);
+ printf("reput: restarting at file position %s\n", decbuf);
+ if (uint64_compare(offset, uint64_make(0, LONG_MAX)) > 0) {
+ printf("reput: remote file is larger than we can deal with\n");
+ return 0;
+ }
+ if (fseek(fp, offset.lo, SEEK_SET) != 0)
+ fseek(fp, 0, SEEK_END); /* *shrug* */
+ } else {
+ offset = uint64_make(0, 0);
+ }
+
+ printf("local:%s => remote:%s\n", fname, outfname);
+
+ /*
+ * FIXME: we can use FXP_FSTAT here to get the file size, and
+ * thus put up a progress bar.
+ */
+ ret = 1;
+ xfer = xfer_upload_init(fh, offset);
+ err = eof = 0;
+ while ((!err && !eof) || !xfer_done(xfer)) {
+ char buffer[4096];
+ 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 (!xfer_done(xfer)) {
+ pktin = sftp_recv();
+ ret = xfer_upload_gotpkt(xfer, pktin);
+ if (!ret) {
+ printf("error while writing: %s\n", fxp_error());
+ err = 1;
+ }
+ }
+ }
+
+ 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);
+
+ return ret;
+}
+
/* ----------------------------------------------------------------------
* Actual sftp commands.
*/
return -1;
}
+int sftp_cmd_close(struct sftp_command *cmd)
+{
+ if (back == NULL) {
+ printf("psftp: not connected to a host; use \"open host.name\"\n");
+ return 0;
+ }
+
+ if (back != NULL && back->socket(backhandle) != NULL) {
+ char ch;
+ back->special(backhandle, TS_EOF);
+ sftp_recvdata(&ch, 1);
+ }
+ do_sftp_cleanup();
+
+ return 0;
+}
+
/*
* List a directory. If no arguments are given, list pwd; otherwise
* list the directory given in words[1].
*/
-static int sftp_ls_compare(const void *av, const void *bv)
-{
- 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;
int nnames, namesize;
- char *dir, *cdir;
+ char *dir, *cdir, *unwcdir, *wildcard;
struct sftp_packet *pktin;
struct sftp_request *req, *rreq;
int i;
else
dir = cmd->words[1];
+ unwcdir = snewn(1 + strlen(dir), char);
+ if (wc_unescape(unwcdir, dir)) {
+ dir = unwcdir;
+ wildcard = NULL;
+ } else {
+ char *tmpdir;
+ int len, check;
+
+ wildcard = stripslashes(dir, 0);
+ unwcdir = dupstr(dir);
+ len = wildcard - dir;
+ unwcdir[len] = '\0';
+ if (len > 0 && unwcdir[len-1] == '/')
+ unwcdir[len-1] = '\0';
+ tmpdir = snewn(1 + len, char);
+ check = wc_unescape(tmpdir, unwcdir);
+ sfree(tmpdir);
+ if (!check) {
+ printf("Multiple-level wildcards are not supported\n");
+ sfree(unwcdir);
+ return 0;
+ }
+ dir = unwcdir;
+ }
+
cdir = canonify(dir);
if (!cdir) {
printf("%s: %s\n", dir, fxp_error());
+ sfree(unwcdir);
return 0;
}
sftp_register(req = fxp_opendir_send(cdir));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- dirh = fxp_opendir_recv(pktin);
+ dirh = fxp_opendir_recv(pktin, rreq);
if (dirh == NULL) {
printf("Unable to open %s: %s\n", dir, fxp_error());
sftp_register(req = fxp_readdir_send(dirh));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- names = fxp_readdir_recv(pktin);
+ names = fxp_readdir_recv(pktin, rreq);
if (names == NULL) {
if (fxp_error_type() == SSH_FX_EOF)
}
for (i = 0; i < names->nnames; i++)
- ournames[nnames++] = fxp_dup_name(&names->names[i]);
+ if (!wildcard || wc_match(wildcard, names->names[i].filename))
+ ournames[nnames++] = fxp_dup_name(&names->names[i]);
fxp_free_names(names);
}
sftp_register(req = fxp_close_send(dirh));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- fxp_close_recv(pktin);
+ fxp_close_recv(pktin, rreq);
/*
* Now we have our filenames. Sort them by actual file
* name, and then output the longname parts.
*/
- qsort(ournames, nnames, sizeof(*ournames), sftp_ls_compare);
+ qsort(ournames, nnames, sizeof(*ournames), sftp_name_compare);
/*
* And print them.
}
sfree(cdir);
+ sfree(unwcdir);
return 1;
}
sftp_register(req = fxp_opendir_send(dir));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- dirh = fxp_opendir_recv(pktin);
+ dirh = fxp_opendir_recv(pktin, rreq);
if (!dirh) {
printf("Directory %s: %s\n", dir, fxp_error());
sftp_register(req = fxp_close_send(dirh));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- fxp_close_recv(pktin);
+ fxp_close_recv(pktin, rreq);
sfree(pwd);
pwd = dir;
* Print current directory. Easy as pie.
*/
int sftp_cmd_pwd(struct sftp_command *cmd)
-{
- if (back == NULL) {
- printf("psftp: not connected to a host; use \"open host.name\"\n");
- return 0;
- }
-
- printf("Remote directory is %s\n", pwd);
- return 1;
-}
-
-/*
- * Get a file and save it at the local end. We have two very
- * similar commands here: `get' and `reget', which differ in that
- * `reget' checks for the existence of the destination file and
- * starts from where a previous aborted transfer left off.
- */
-int sftp_general_get(struct sftp_command *cmd, int restart)
-{
- struct fxp_handle *fh;
- struct sftp_packet *pktin;
- struct sftp_request *req, *rreq;
- char *fname, *outfname;
- uint64 offset;
- FILE *fp;
- int ret;
-
+{
if (back == NULL) {
printf("psftp: not connected to a host; use \"open host.name\"\n");
return 0;
}
- if (cmd->nwords < 2) {
- printf("get: expects a filename\n");
- return 0;
- }
-
- fname = canonify(cmd->words[1]);
- if (!fname) {
- printf("%s: %s\n", cmd->words[1], fxp_error());
- return 0;
- }
- outfname = (cmd->nwords == 2 ?
- stripslashes(cmd->words[1], 0) : cmd->words[2]);
+ printf("Remote directory is %s\n", pwd);
+ return 1;
+}
- 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);
+/*
+ * Get a file and save it at the local end. We have three very
+ * similar commands here. The basic one is `get'; `reget' differs
+ * in that it checks for the existence of the destination file and
+ * starts from where a previous aborted transfer left off; `mget'
+ * differs in that it interprets all its arguments as files to
+ * transfer (never as a different local name for a remote file) and
+ * can handle wildcards.
+ */
+int sftp_general_get(struct sftp_command *cmd, int restart, int multiple)
+{
+ char *fname, *unwcfname, *origfname, *outfname;
+ int i, ret;
+ int recurse = FALSE;
- if (!fh) {
- printf("%s: %s\n", fname, fxp_error());
- sfree(fname);
+ if (back == NULL) {
+ printf("psftp: not connected to a host; use \"open host.name\"\n");
return 0;
}
- if (restart) {
- fp = fopen(outfname, "rb+");
- } else {
- fp = fopen(outfname, "wb");
+ i = 1;
+ while (i < cmd->nwords && cmd->words[i][0] == '-') {
+ if (!strcmp(cmd->words[i], "--")) {
+ /* finish processing options */
+ i++;
+ break;
+ } else if (!strcmp(cmd->words[i], "-r")) {
+ recurse = TRUE;
+ } else {
+ printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]);
+ return 0;
+ }
+ i++;
}
- if (!fp) {
- printf("local: unable to open %s\n", outfname);
-
- sftp_register(req = fxp_close_send(fh));
- rreq = sftp_find_request(pktin = sftp_recv());
- assert(rreq == req);
- fxp_close_recv(pktin);
-
- sfree(fname);
+ if (i >= cmd->nwords) {
+ printf("%s: expects a filename\n", cmd->words[0]);
return 0;
}
- if (restart) {
- long posn;
- fseek(fp, 0L, SEEK_END);
- posn = ftell(fp);
- printf("reget: restarting at file position %ld\n", posn);
- offset = uint64_make(0, posn);
- } else {
- offset = uint64_make(0, 0);
- }
-
- printf("remote:%s => local:%s\n", fname, outfname);
+ do {
+ unwcfname = NULL;
+ origfname = cmd->words[i++];
- /*
- * FIXME: we can use FXP_FSTAT here to get the file size, and
- * thus put up a progress bar.
- */
- ret = 1;
- while (1) {
- char buffer[4096];
- int len;
- int wpos, wlen;
+ if (multiple &&
+ !wc_unescape(unwcfname = snewn(strlen(origfname)+1, char),
+ origfname)) {
+ ret = sftp_get_file(pwd, NULL, recurse, restart, origfname);
+ } else {
+ fname = canonify(origfname);
+ if (!fname) {
+ printf("%s: %s\n", origfname, fxp_error());
+ sfree(unwcfname);
+ return 0;
+ }
- sftp_register(req = fxp_read_send(fh, offset, sizeof(buffer)));
- rreq = sftp_find_request(pktin = sftp_recv());
- assert(rreq == req);
- len = fxp_read_recv(pktin, buffer, sizeof(buffer));
+ if (!multiple && i < cmd->nwords)
+ outfname = cmd->words[i++];
+ else
+ outfname = stripslashes(origfname, 0);
- 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;
- }
+ ret = sftp_get_file(fname, outfname, recurse, restart, NULL);
- wpos = 0;
- while (wpos < len) {
- wlen = fwrite(buffer, 1, len - wpos, fp);
- if (wlen <= 0) {
- printf("error while writing local file\n");
- ret = 0;
- break;
- }
- wpos += wlen;
- }
- if (wpos < len) { /* we had an error */
- ret = 0;
- break;
+ sfree(fname);
}
- offset = uint64_add32(offset, len);
- }
+ sfree(unwcfname);
+ if (!ret)
+ return ret;
- fclose(fp);
-
- sftp_register(req = fxp_close_send(fh));
- rreq = sftp_find_request(pktin = sftp_recv());
- assert(rreq == req);
- fxp_close_recv(pktin);
-
- sfree(fname);
+ } while (multiple && i < cmd->nwords);
return ret;
}
int sftp_cmd_get(struct sftp_command *cmd)
{
- return sftp_general_get(cmd, 0);
+ return sftp_general_get(cmd, 0, 0);
+}
+int sftp_cmd_mget(struct sftp_command *cmd)
+{
+ return sftp_general_get(cmd, 0, 1);
}
int sftp_cmd_reget(struct sftp_command *cmd)
{
- return sftp_general_get(cmd, 1);
+ return sftp_general_get(cmd, 1, 0);
}
/*
- * Send a file and store it at the remote end. We have two very
- * similar commands here: `put' and `reput', which differ in that
- * `reput' checks for the existence of the destination file and
- * starts from where a previous aborted transfer left off.
+ * Send a file and store it at the remote end. We have three very
+ * similar commands here. The basic one is `put'; `reput' differs
+ * in that it checks for the existence of the destination file and
+ * starts from where a previous aborted transfer left off; `mput'
+ * differs in that it interprets all its arguments as files to
+ * transfer (never as a different remote name for a local file) and
+ * can handle wildcards.
*/
-int sftp_general_put(struct sftp_command *cmd, int restart)
+int sftp_general_put(struct sftp_command *cmd, int restart, int multiple)
{
- struct fxp_handle *fh;
char *fname, *origoutfname, *outfname;
- struct sftp_packet *pktin;
- struct sftp_request *req, *rreq;
- uint64 offset;
- FILE *fp;
- int ret;
+ int i, ret;
+ int recurse = FALSE;
if (back == NULL) {
printf("psftp: not connected to a host; use \"open host.name\"\n");
return 0;
}
- if (cmd->nwords < 2) {
- printf("put: expects a filename\n");
- return 0;
- }
-
- fname = cmd->words[1];
- origoutfname = (cmd->nwords == 2 ?
- stripslashes(cmd->words[1], 1) : cmd->words[2]);
- outfname = canonify(origoutfname);
- if (!outfname) {
- printf("%s: %s\n", origoutfname, fxp_error());
- return 0;
- }
-
- fp = fopen(fname, "rb");
- if (!fp) {
- printf("local: unable to open %s\n", fname);
- sfree(outfname);
- return 0;
- }
- if (restart) {
- sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE));
- } else {
- sftp_register(req = fxp_open_send(outfname, SSH_FXF_WRITE |
- SSH_FXF_CREAT | SSH_FXF_TRUNC));
+ i = 1;
+ while (i < cmd->nwords && cmd->words[i][0] == '-') {
+ if (!strcmp(cmd->words[i], "--")) {
+ /* finish processing options */
+ i++;
+ break;
+ } else if (!strcmp(cmd->words[i], "-r")) {
+ recurse = TRUE;
+ } else {
+ printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]);
+ return 0;
+ }
+ i++;
}
- rreq = sftp_find_request(pktin = sftp_recv());
- assert(rreq == req);
- fh = fxp_open_recv(pktin);
- if (!fh) {
- printf("%s: %s\n", outfname, fxp_error());
- sfree(outfname);
+ if (i >= cmd->nwords) {
+ printf("%s: expects a filename\n", cmd->words[0]);
return 0;
}
- if (restart) {
- char decbuf[30];
- struct fxp_attrs 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, &attrs);
+ do {
+ fname = cmd->words[i++];
- if (!ret) {
- printf("read size of %s: %s\n", outfname, fxp_error());
- sfree(outfname);
- return 0;
- }
- if (!(attrs.flags & SSH_FILEXFER_ATTR_SIZE)) {
- printf("read size of %s: size was not given\n", outfname);
- sfree(outfname);
- return 0;
- }
- offset = attrs.size;
- uint64_decimal(offset, decbuf);
- printf("reput: restarting at file position %s\n", decbuf);
- if (uint64_compare(offset, uint64_make(0, LONG_MAX)) > 0) {
- printf("reput: remote file is larger than we can deal with\n");
+ if (multiple && test_wildcard(fname, FALSE) == WCTYPE_WILDCARD) {
+ ret = sftp_put_file(NULL, pwd, recurse, restart, fname);
+ } else {
+ if (!multiple && i < cmd->nwords)
+ origoutfname = cmd->words[i++];
+ else
+ origoutfname = stripslashes(fname, 1);
+
+ outfname = canonify(origoutfname);
+ if (!outfname) {
+ printf("%s: %s\n", origoutfname, fxp_error());
+ return 0;
+ }
+ ret = sftp_put_file(fname, outfname, recurse, restart, NULL);
sfree(outfname);
- return 0;
- }
- if (fseek(fp, offset.lo, SEEK_SET) != 0)
- fseek(fp, 0, SEEK_END); /* *shrug* */
- } else {
- offset = uint64_make(0, 0);
- }
-
- printf("local:%s => remote:%s\n", fname, outfname);
-
- /*
- * FIXME: we can use FXP_FSTAT here to get the file size, and
- * thus put up a progress bar.
- */
- ret = 1;
- while (1) {
- char buffer[4096];
- int len, ret;
-
- 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;
- }
-
- sftp_register(req = fxp_write_send(fh, buffer, offset, len));
- rreq = sftp_find_request(pktin = sftp_recv());
- assert(rreq == req);
- ret = fxp_write_recv(pktin);
-
- if (!ret) {
- printf("error while writing: %s\n", fxp_error());
- ret = 0;
- break;
}
- offset = uint64_add32(offset, len);
- }
-
- sftp_register(req = fxp_close_send(fh));
- rreq = sftp_find_request(pktin = sftp_recv());
- assert(rreq == req);
- fxp_close_recv(pktin);
+ if (!ret)
+ return ret;
- fclose(fp);
- sfree(outfname);
+ } while (multiple && i < cmd->nwords);
return ret;
}
int sftp_cmd_put(struct sftp_command *cmd)
{
- return sftp_general_put(cmd, 0);
+ return sftp_general_put(cmd, 0, 0);
+}
+int sftp_cmd_mput(struct sftp_command *cmd)
+{
+ return sftp_general_put(cmd, 0, 1);
}
int sftp_cmd_reput(struct sftp_command *cmd)
{
- return sftp_general_put(cmd, 1);
+ return sftp_general_put(cmd, 1, 0);
}
int sftp_cmd_mkdir(struct sftp_command *cmd)
sftp_register(req = fxp_mkdir_send(dir));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- result = fxp_mkdir_recv(pktin);
+ result = fxp_mkdir_recv(pktin, rreq);
if (!result) {
printf("mkdir %s: %s\n", dir, fxp_error());
sftp_register(req = fxp_rmdir_send(dir));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- result = fxp_rmdir_recv(pktin);
+ result = fxp_rmdir_recv(pktin, rreq);
if (!result) {
printf("rmdir %s: %s\n", dir, fxp_error());
sftp_register(req = fxp_remove_send(fname));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- result = fxp_remove_recv(pktin);
+ result = fxp_remove_recv(pktin, rreq);
if (!result) {
printf("rm %s: %s\n", fname, fxp_error());
sftp_register(req = fxp_rename_send(srcfname, dstfname));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- result = fxp_rename_recv(pktin);
+ result = fxp_rename_recv(pktin, rreq);
if (!result) {
char const *error = fxp_error();
sftp_register(req = fxp_stat_send(dstfname));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- result = fxp_stat_recv(pktin, &attrs);
+ result = fxp_stat_recv(pktin, rreq, &attrs);
if (result &&
(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) &&
sftp_register(req = fxp_rename_send(srcfname, dstfname));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- result = fxp_rename_recv(pktin);
+ result = fxp_rename_recv(pktin, rreq);
error = result ? NULL : fxp_error();
}
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);
+ (int)strcspn(modebegin, ","), modebegin);
return 0;
}
perms &= subset;
sftp_register(req = fxp_stat_send(fname));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- result = fxp_stat_recv(pktin, &attrs);
+ result = fxp_stat_recv(pktin, rreq, &attrs);
if (!result || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS)) {
printf("get attrs for %s: %s\n", fname,
sftp_register(req = fxp_setstat_send(fname, attrs));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- result = fxp_setstat_recv(pktin);
+ result = fxp_setstat_recv(pktin, rreq);
if (!result) {
printf("set attrs for %s: %s\n", fname, fxp_error());
static int sftp_cmd_open(struct sftp_command *cmd)
{
+ int portnumber;
+
if (back != NULL) {
printf("psftp: already connected\n");
return 0;
return 0;
}
- if (psftp_connect(cmd->words[1], NULL, 0)) {
+ if (cmd->nwords > 2) {
+ portnumber = atoi(cmd->words[2]);
+ if (portnumber == 0) {
+ printf("open: invalid port number\n");
+ return 0;
+ }
+ } else
+ portnumber = 0;
+
+ if (psftp_connect(cmd->words[1], NULL, portnumber)) {
back = NULL; /* connection is already closed */
return -1; /* this is fatal */
}
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 = snewn(256, char);
- len = GetCurrentDirectory(256, currdir);
- if (len > 256)
- currdir = sresize(currdir, len, char);
- 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 = snewn(256, char);
- len = GetCurrentDirectory(256, currdir);
- if (len > 256)
- currdir = sresize(currdir, len, char);
- 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
},
{
sftp_cmd_chmod
},
{
+ "close", TRUE, "finish your SFTP session but do not quit PSFTP",
+ "\n"
+ " Terminates your SFTP session, but does not quit the PSFTP\n"
+ " program. You can then use \"open\" to start another SFTP\n"
+ " session, to the same server or to a different one.\n",
+ sftp_cmd_close
+ },
+ {
"del", TRUE, "delete a file",
" <filename>\n"
" Delete a file.\n",
},
{
"dir", TRUE, "list contents of a remote directory",
- " [ <directory-name> ]\n"
+ " [ <directory-name> ]/[ <wildcard> ]\n"
" List the contents of a specified directory on the server.\n"
" If <directory-name> is not given, the current working directory\n"
- " will be listed.\n",
+ " is assumed.\n"
+ " If <wildcard> is given, it is treated as a set of files to\n"
+ " list; otherwise, all files are listed.\n",
sftp_cmd_ls
},
{
},
{
"get", TRUE, "download a file from the server to your local machine",
- " <filename> [ <local-filename> ]\n"
+ " [ -r ] [ -- ] <filename> [ <local-filename> ]\n"
" Downloads a file on the server and stores it locally under\n"
" the same name, or under a different one if you supply the\n"
- " argument <local-filename>.\n",
+ " argument <local-filename>.\n"
+ " If -r specified, recursively fetch a directory.\n",
sftp_cmd_get
},
{
sftp_cmd_ls
},
{
+ "mget", TRUE, "download multiple files at once",
+ " [ -r ] [ -- ] <filename-or-wildcard> [ <filename-or-wildcard>... ]\n"
+ " Downloads many files from the server, storing each one under\n"
+ " the same name it has on the server side. You can use wildcards\n"
+ " such as \"*.c\" to specify lots of files at once.\n"
+ " If -r specified, recursively fetch files and directories.\n",
+ sftp_cmd_mget
+ },
+ {
"mkdir", TRUE, "create a directory on the remote server",
" <directory-name>\n"
" Creates a directory with the given name on the server.\n",
sftp_cmd_mkdir
},
{
+ "mput", TRUE, "upload multiple files at once",
+ " <filename-or-wildcard> [ <filename-or-wildcard>... ]\n"
+ " Uploads many files to the server, storing each one under the\n"
+ " same name it has on the client side. You can use wildcards\n"
+ " such as \"*.c\" to specify lots of files at once.\n"
+ " If -r specified, recursively store files and directories.\n",
+ sftp_cmd_mput
+ },
+ {
"mv", TRUE, "move or rename a file on the remote server",
" <source-filename> <destination-filename>\n"
" Moves or renames the file <source-filename> on the server,\n"
},
{
"open", TRUE, "connect to a host",
- " [<user>@]<hostname>\n"
+ " [<user>@]<hostname> [<port>]\n"
" Establishes an SFTP connection to a given host. Only usable\n"
" when you did not already specify a host name on the command\n"
" line.\n",
},
{
"put", TRUE, "upload a file from your local machine to the server",
- " <filename> [ <remote-filename> ]\n"
+ " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n"
" Uploads a file to the server and stores it there under\n"
" the same name, or under a different one if you supply the\n"
- " argument <remote-filename>.\n",
+ " argument <remote-filename>.\n"
+ " If -r specified, recursively store a directory.\n",
sftp_cmd_put
},
{
},
{
"reget", TRUE, "continue downloading a file",
- " <filename> [ <local-filename> ]\n"
+ " [ -r ] [ -- ] <filename> [ <local-filename> ]\n"
" Works exactly like the \"get\" command, but the local file\n"
" must already exist. The download will begin at the end of the\n"
- " file. This is for resuming a download that was interrupted.\n",
+ " file. This is for resuming a download that was interrupted.\n"
+ " If -r specified, resume interrupted \"get -r\".\n",
sftp_cmd_reget
},
{
},
{
"reput", TRUE, "continue uploading a file",
- " <filename> [ <remote-filename> ]\n"
+ " [ -r ] [ -- ] <filename> [ <remote-filename> ]\n"
" Works exactly like the \"put\" command, but the remote file\n"
" must already exist. The upload will begin at the end of the\n"
- " file. This is for resuming an upload that was interrupted.\n",
+ " file. This is for resuming an upload that was interrupted.\n"
+ " If -r specified, resume interrupted \"put -r\".\n",
sftp_cmd_reput
},
{
struct sftp_command *sftp_getcmd(FILE *fp, int mode, int modeflags)
{
char *line;
- int linelen, linesize;
struct sftp_command *cmd;
char *p, *q, *r;
int quoting;
- if ((mode == 0) || (modeflags & 1)) {
- printf("psftp> ");
- }
- fflush(stdout);
-
cmd = snew(struct sftp_command);
cmd->words = NULL;
cmd->nwords = 0;
cmd->wordssize = 0;
line = NULL;
- linesize = linelen = 0;
- while (1) {
- int len;
- char *ret;
-
- linesize += 512;
- line = sresize(line, linesize, char);
- ret = fgets(line + linelen, linesize - linelen, fp);
-
- if (!ret || (linelen == 0 && line[0] == '\0')) {
- cmd->obey = sftp_cmd_quit;
- if ((mode == 0) || (modeflags & 1))
- printf("quit\n");
- return cmd; /* eof */
- }
- len = linelen + strlen(line + linelen);
- linelen += len;
- if (line[linelen - 1] == '\n') {
- linelen--;
- line[linelen] = '\0';
- break;
- }
+
+ if (fp) {
+ if (modeflags & 1)
+ printf("psftp> ");
+ line = fgetline(fp);
+ } else {
+ line = ssh_sftp_get_cmdline("psftp> ", back == NULL);
+ }
+
+ if (!line || !*line) {
+ cmd->obey = sftp_cmd_quit;
+ if ((mode == 0) || (modeflags & 1))
+ printf("quit\n");
+ return cmd; /* eof */
}
+
+ line[strcspn(line, "\r\n")] = '\0';
+
if (modeflags & 1) {
printf("%s\n", line);
}
*/
cmd->nwords = cmd->wordssize = 2;
cmd->words = sresize(cmd->words, cmd->wordssize, char *);
- cmd->words[0] = "!";
- cmd->words[1] = p+1;
+ cmd->words[0] = dupstr("!");
+ cmd->words[1] = dupstr(p+1);
} else {
/*
cmd->wordssize = cmd->nwords + 16;
cmd->words = sresize(cmd->words, cmd->wordssize, char *);
}
- cmd->words[cmd->nwords++] = q;
+ cmd->words[cmd->nwords++] = dupstr(q);
}
}
+ sfree(line);
+
/*
* Now parse the first word and assign a function.
*/
sftp_register(req = fxp_realpath_send("."));
rreq = sftp_find_request(pktin = sftp_recv());
assert(rreq == req);
- homedir = fxp_realpath_recv(pktin);
+ homedir = fxp_realpath_recv(pktin, rreq);
if (!homedir) {
fprintf(stderr,
return 0;
}
+void do_sftp_cleanup()
+{
+ char ch;
+ if (back) {
+ back->special(backhandle, TS_EOF);
+ sftp_recvdata(&ch, 1);
+ back->free(backhandle);
+ sftp_cleanup_request();
+ back = NULL;
+ backhandle = NULL;
+ }
+ if (pwd) {
+ sfree(pwd);
+ pwd = NULL;
+ }
+ if (homedir) {
+ sfree(homedir);
+ homedir = NULL;
+ }
+}
+
void do_sftp(int mode, int modeflags, char *batchfile)
{
FILE *fp;
*/
while (1) {
struct sftp_command *cmd;
- cmd = sftp_getcmd(stdin, 0, 0);
+ cmd = sftp_getcmd(NULL, 0, 0);
if (!cmd)
break;
- if (cmd->obey(cmd) < 0)
+ ret = cmd->obey(cmd);
+ if (cmd->words) {
+ int i;
+ for(i = 0; i < cmd->nwords; i++)
+ sfree(cmd->words[i]);
+ sfree(cmd->words);
+ }
+ sfree(cmd);
+ if (ret < 0)
break;
}
} else {
}
/*
- * Be told what socket we're supposed to be using.
- */
-static SOCKET sftp_ssh_socket;
-char *do_select(SOCKET skt, int startup)
-{
- if (startup)
- sftp_ssh_socket = skt;
- else
- sftp_ssh_socket = INVALID_SOCKET;
- return NULL;
-}
-extern int select_result(WPARAM, LPARAM);
-
-/*
* In psftp, all agent requests should be synchronous, so this is a
* never-called stub.
*/
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 (is_stderr) {
- fwrite(data, 1, len, stderr);
+ if (len > 0)
+ fwrite(data, 1, len, stderr);
return 0;
}
if (!outptr)
return 0;
- if (outlen > 0) {
+ if ((outlen > 0) && (len > 0)) {
unsigned used = outlen;
if (used > len)
used = 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(backhandle, (unsigned char *) buf, len);
+ back->send(backhandle, 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(backhandle)) {
- 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);
- }
-}
-
-/*
- * 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");
- cleanup_exit(1);
- }
- if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1) {
- fprintf(stderr, "WinSock version is incompatible with 1.1");
- cleanup_exit(1);
- }
-}
-
-/*
* Short description of parameters.
*/
static void usage(void)
{
printf("PuTTY Secure File Transfer (SFTP) client\n");
printf("%s\n", ver);
- printf("Usage: psftp [options] user@host\n");
+ printf("Usage: psftp [options] [user@]host\n");
printf("Options:\n");
printf(" -b file use specified batchfile\n");
printf(" -bc output batchfile commands\n");
printf(" -C enable compression\n");
printf(" -i key private key file for authentication\n");
printf(" -batch disable all interactive prompts\n");
+ printf(" -V print version information\n");
cleanup_exit(1);
}
+static void version(void)
+{
+ printf("psftp: %s\n", ver);
+ cleanup_exit(1);
+}
+
/*
* Connect to a host.
*/
{
char *host, *realhost;
const char *err;
+ void *logctx;
/* Separate host and username */
host = userhost;
user = userhost;
}
- /* Try to load settings for this host */
- do_defaults(host, &cfg);
- if (cfg.host[0] == '\0') {
- /* No settings for this host; use defaults */
- do_defaults(NULL, &cfg);
+ /*
+ * If we haven't loaded session details already (e.g., from -load),
+ * try looking for a session called "host".
+ */
+ if (!loaded_session) {
+ /* Try to load settings for `host' into a temporary config */
+ Config cfg2;
+ cfg2.host[0] = '\0';
+ do_defaults(host, &cfg2);
+ if (cfg2.host[0] != '\0') {
+ /* Settings present and include hostname */
+ /* Re-load data into the real config. */
+ do_defaults(host, &cfg);
+ } else {
+ /* Session doesn't exist or mention a hostname. */
+ /* Use `host' as a bare hostname. */
+ strncpy(cfg.host, host, sizeof(cfg.host) - 1);
+ cfg.host[sizeof(cfg.host) - 1] = '\0';
+ }
+ } else {
+ /* Patch in hostname `host' to session details. */
strncpy(cfg.host, host, sizeof(cfg.host) - 1);
cfg.host[sizeof(cfg.host) - 1] = '\0';
}
}
/*
+ * If saved session / Default Settings says SSH-1 (`1 only' or `1'),
+ * then change it to SSH-2, on the grounds that that's more likely to
+ * work for SFTP. (Can be overridden with `-1' option.)
+ * But if it says `2 only' or `2', respect which.
+ */
+ if (cfg.sshprot != 2 && cfg.sshprot != 3)
+ cfg.sshprot = 2;
+
+ /*
* Enact command-line overrides.
*/
cmdline_run_saved(&cfg);
/* See if host is of the form user@host */
if (cfg.host[0] != '\0') {
- char *atsign = strchr(cfg.host, '@');
+ char *atsign = strrchr(cfg.host, '@');
/* Make sure we're not overflowing the user field */
if (atsign) {
if (atsign - cfg.host < sizeof cfg.username) {
cfg.username[sizeof(cfg.username) - 1] = '\0';
}
if (!cfg.username[0]) {
- printf("login as: ");
- fflush(stdout);
- if (!fgets(cfg.username, sizeof(cfg.username), stdin)) {
- fprintf(stderr, "psftp: aborting\n");
+ if (!console_get_line("login as: ",
+ cfg.username, sizeof(cfg.username), FALSE)) {
+ fprintf(stderr, "psftp: no username, aborting\n");
cleanup_exit(1);
} else {
int len = strlen(cfg.username);
if (portnumber)
cfg.port = portnumber;
- /* SFTP uses SSH2 by default always */
- cfg.sshprot = 2;
-
/*
* Disable scary things which shouldn't be enabled for simple
* things like SCP and SFTP: agent forwarding, port forwarding,
back = &ssh_backend;
- err = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port, &realhost,0);
+ err = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port, &realhost,
+ 0, cfg.tcp_keepalives);
if (err != NULL) {
fprintf(stderr, "ssh_init: %s\n", err);
return 1;
logctx = log_init(NULL, &cfg);
back->provide_logctx(backhandle, logctx);
console_provide_logctx(logctx);
- ssh_sftp_init();
+ 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);
+ if (realhost != NULL)
+ sfree(realhost);
return 0;
}
/*
* Main program. Parse arguments etc.
*/
-int main(int argc, char *argv[])
+int psftp_main(int argc, char *argv[])
{
int i;
int portnumber = 0;
char *batchfile = NULL;
int errors = 0;
- flags = FLAG_STDERR | FLAG_INTERACTIVE | FLAG_SYNCAGENT;
+ flags = FLAG_STDERR | FLAG_INTERACTIVE
+#ifdef FLAG_SYNCAGENT
+ | FLAG_SYNCAGENT
+#endif
+ ;
cmdline_tooltype = TOOLTYPE_FILETRANSFER;
ssh_get_line = &console_get_line;
- init_winsock();
sk_init();
userhost = user = NULL;
+ /* Load Default Settings before doing anything else. */
+ do_defaults(NULL, &cfg);
+ loaded_session = FALSE;
+
errors = 0;
for (i = 1; i < argc; i++) {
int ret;
} else if (strcmp(argv[i], "-h") == 0 ||
strcmp(argv[i], "-?") == 0) {
usage();
+ } else if (strcmp(argv[i], "-V") == 0) {
+ version();
} else if (strcmp(argv[i], "-batch") == 0) {
console_batch_mode = 1;
} else if (strcmp(argv[i], "-b") == 0 && i + 1 < argc) {
back = NULL;
/*
+ * If the loaded session provides a hostname, and a hostname has not
+ * otherwise been specified, pop it in `userhost' so that
+ * `psftp -load sessname' is sufficient to start a session.
+ */
+ if (!userhost && cfg.host[0] != '\0') {
+ userhost = dupstr(cfg.host);
+ }
+
+ /*
* If a user@host string has already been provided, connect to
* it now.
*/
if (userhost) {
- if (psftp_connect(userhost, user, portnumber))
+ int ret;
+ ret = psftp_connect(userhost, user, portnumber);
+ sfree(userhost);
+ if (ret)
return 1;
if (do_sftp_init())
return 1;
} else {
printf("psftp: no hostname specified; use \"open host.name\""
- " to connect\n");
+ " to connect\n");
}
do_sftp(mode, modeflags, batchfile);
back->special(backhandle, TS_EOF);
sftp_recvdata(&ch, 1);
}
- WSACleanup();
+ do_sftp_cleanup();
random_save_seed();
+ cmdline_cleanup();
+ console_provide_logctx(NULL);
+ sk_cleanup();
return 0;
}
projects / u / mdw / putty / blobdiff