*/
/*
- * Determine whether a string is entirely composed of dots.
- */
-static int is_dots(char *str)
-{
- return str[strspn(str, ".")] == '\0';
-}
-
-/*
* Attempt to canonify a pathname starting from the pwd. If
* canonification fails, at least fall back to returning a _valid_
* pathname (though it may be ugly, eg /home/simon/../foobar).
/* ----------------------------------------------------------------------
* The meat of the `get' and `put' commands.
*/
-int sftp_get_file(char *fname, char *outfname, int recurse, int restart,
- char *wildcard)
+int sftp_get_file(char *fname, char *outfname, int recurse, int restart)
{
struct fxp_handle *fh;
struct sftp_packet *pktin;
struct fxp_xfer *xfer;
uint64 offset;
FILE *fp;
- int ret;
+ 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) {
+ if (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 */
+ 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 (wildcard ||
- (result &&
- (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) &&
- (attrs.permissions & 0040000))) {
+ if (result &&
+ (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) &&
+ (attrs.permissions & 0040000)) {
struct fxp_handle *dirhandle;
int nnames, namesize;
/*
* First, attempt to create the destination directory,
- * unless it already exists (or this is a wildcard
- * run).
+ * unless it already exists.
*/
- if (!wildcard &&
- file_type(outfname) != FILE_TYPE_DIRECTORY &&
+ if (file_type(outfname) != FILE_TYPE_DIRECTORY &&
!create_directory(outfname)) {
printf("%s: Cannot create directory\n", outfname);
return 0;
ournames = sresize(ournames, namesize, struct fxp_name *);
}
for (i = 0; i < names->nnames; i++)
- if (!is_dots(names->names[i].filename) &&
- (!wildcard || wc_match(wildcard,
- names->names[i].filename)))
- ournames[nnames++] = fxp_dup_name(&names->names[i]);
+ if (strcmp(names->names[i].filename, ".") &&
+ strcmp(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));
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
ournames[i]->filename);
else
nextoutfname = dupstr(ournames[i]->filename);
- ret = sftp_get_file(nextfname, nextoutfname,
- recurse, restart, NULL);
+ ret = sftp_get_file(nextfname, nextoutfname, recurse, restart);
restart = FALSE; /* after first partial file, do full */
sfree(nextoutfname);
sfree(nextfname);
ret = xfer_download_gotpkt(xfer, pktin);
if (ret < 0) {
- printf("error while reading: %s\n", fxp_error());
+ if (!shown_err) {
+ printf("error while reading: %s\n", fxp_error());
+ shown_err = TRUE;
+ }
ret = 0;
}
return ret;
}
-int sftp_put_file(char *fname, char *outfname, int recurse, int restart,
- char *wildcard)
+int sftp_put_file(char *fname, char *outfname, int recurse, int restart)
{
struct fxp_handle *fh;
struct fxp_xfer *xfer;
* (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)) {
+ if (recurse && file_type(fname) == FILE_TYPE_DIRECTORY) {
struct fxp_attrs attrs;
int result;
int nnames, namesize;
DirHandle *dh;
int i;
- if (!wildcard) {
- /*
- * First, attempt to create the destination directory,
- * unless it already exists.
- */
- sftp_register(req = fxp_stat_send(outfname));
+ /*
+ * 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_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);
+ result = fxp_mkdir_recv(pktin, rreq);
- if (!result) {
- printf("%s: create directory: %s\n",
- outfname, fxp_error());
- return 0;
- }
+ if (!result) {
+ printf("%s: create directory: %s\n",
+ outfname, fxp_error());
+ return 0;
}
}
*/
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);
+ dh = open_directory(fname);
+ if (!dh) {
+ printf("%s: unable to open directory\n", fname);
+ return 0;
}
-
- /*
- * A polite warning if nothing at all matched the
- * wildcard.
- */
- if (wildcard && !nnames) {
- printf("%s: nothing matched\n", wildcard);
+ while ((name = read_filename(dh)) != NULL) {
+ if (nnames >= namesize) {
+ namesize += 128;
+ ournames = sresize(ournames, namesize, char *);
+ }
+ ournames[nnames++] = name;
}
+ close_directory(dh);
/*
* Sort the names into a clear order. This ought to make
else
nextfname = dupstr(ournames[i]);
nextoutfname = dupcat(outfname, "/", ournames[i], NULL);
- ret = sftp_put_file(nextfname, nextoutfname,
- recurse, restart, NULL);
+ ret = sftp_put_file(nextfname, nextoutfname, recurse, restart);
restart = FALSE; /* after first partial file, do full */
sfree(nextoutfname);
sfree(nextfname);
}
/* ----------------------------------------------------------------------
+ * A remote wildcard matcher, providing a similar interface to the
+ * local one in psftp.h.
+ */
+
+typedef struct SftpWildcardMatcher {
+ struct fxp_handle *dirh;
+ struct fxp_names *names;
+ int namepos;
+ char *wildcard, *prefix;
+} SftpWildcardMatcher;
+
+SftpWildcardMatcher *sftp_begin_wildcard_matching(char *name)
+{
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
+ char *wildcard;
+ char *unwcdir, *tmpdir, *cdir;
+ int len, check;
+ SftpWildcardMatcher *swcm;
+ struct fxp_handle *dirh;
+
+ /*
+ * We don't handle multi-level wildcards; so we expect to find
+ * a fully specified directory part, followed by a wildcard
+ * after that.
+ */
+ wildcard = stripslashes(name, 0);
+
+ unwcdir = dupstr(name);
+ len = wildcard - name;
+ 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 NULL;
+ }
+
+ cdir = canonify(unwcdir);
+
+ 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) {
+ swcm = snew(SftpWildcardMatcher);
+ swcm->dirh = dirh;
+ swcm->names = NULL;
+ swcm->wildcard = dupstr(wildcard);
+ swcm->prefix = unwcdir;
+ } else {
+ printf("Unable to open %s: %s\n", cdir, fxp_error());
+ swcm = NULL;
+ sfree(unwcdir);
+ }
+
+ sfree(cdir);
+
+ return swcm;
+}
+
+char *sftp_wildcard_get_filename(SftpWildcardMatcher *swcm)
+{
+ struct fxp_name *name;
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
+
+ while (1) {
+ if (swcm->names && swcm->namepos >= swcm->names->nnames) {
+ fxp_free_names(swcm->names);
+ swcm->names = NULL;
+ }
+
+ if (!swcm->names) {
+ sftp_register(req = fxp_readdir_send(swcm->dirh));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ swcm->names = fxp_readdir_recv(pktin, rreq);
+
+ if (!swcm->names) {
+ if (fxp_error_type() != SSH_FX_EOF)
+ printf("%s: reading directory: %s\n", swcm->prefix,
+ fxp_error());
+ return NULL;
+ }
+
+ swcm->namepos = 0;
+ }
+
+ assert(swcm->names && swcm->namepos < swcm->names->nnames);
+
+ name = &swcm->names->names[swcm->namepos++];
+
+ if (!strcmp(name->filename, ".") || !strcmp(name->filename, ".."))
+ continue; /* expected bad filenames */
+
+ if (!vet_filename(name->filename)) {
+ printf("ignoring potentially dangerous server-"
+ "supplied filename '%s'\n", name->filename);
+ continue; /* unexpected bad filename */
+ }
+
+ if (!wc_match(swcm->wildcard, name->filename))
+ continue; /* doesn't match the wildcard */
+
+ /*
+ * We have a working filename. Return it.
+ */
+ return dupprintf("%s%s%s", swcm->prefix,
+ swcm->prefix[strlen(swcm->prefix)-1]=='/' ? "" : "/",
+ name->filename);
+ }
+}
+
+void sftp_finish_wildcard_matching(SftpWildcardMatcher *swcm)
+{
+ struct sftp_packet *pktin;
+ struct sftp_request *req, *rreq;
+
+ sftp_register(req = fxp_close_send(swcm->dirh));
+ rreq = sftp_find_request(pktin = sftp_recv());
+ assert(rreq == req);
+ fxp_close_recv(pktin, rreq);
+
+ if (swcm->names)
+ fxp_free_names(swcm->names);
+
+ sfree(swcm->prefix);
+ sfree(swcm->wildcard);
+
+ sfree(swcm);
+}
+
+/* ----------------------------------------------------------------------
* Actual sftp commands.
*/
struct sftp_command {
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].
*/
int sftp_general_get(struct sftp_command *cmd, int restart, int multiple)
{
- char *fname, *unwcfname, *origfname, *outfname;
+ char *fname, *unwcfname, *origfname, *origwfname, *outfname;
int i, ret;
int recurse = FALSE;
} else if (!strcmp(cmd->words[i], "-r")) {
recurse = TRUE;
} else {
- printf("get: unrecognised option '%s'\n", cmd->words[i]);
+ printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]);
return 0;
}
i++;
}
if (i >= cmd->nwords) {
- printf("get: expects a filename\n");
+ printf("%s: expects a filename\n", cmd->words[0]);
return 0;
}
+ ret = 1;
do {
- unwcfname = NULL;
+ SftpWildcardMatcher *swcm;
+
origfname = cmd->words[i++];
+ unwcfname = snewn(strlen(origfname)+1, char);
- if (multiple &&
- !wc_unescape(unwcfname = snewn(strlen(origfname)+1, char),
- origfname)) {
- ret = sftp_get_file(pwd, NULL, recurse, restart, origfname);
+ if (multiple && !wc_unescape(unwcfname, origfname)) {
+ swcm = sftp_begin_wildcard_matching(origfname);
+ if (!swcm) {
+ sfree(unwcfname);
+ continue;
+ }
+ origwfname = sftp_wildcard_get_filename(swcm);
+ if (!origwfname) {
+ /* Politely warn the user that nothing matched. */
+ printf("%s: nothing matched\n", origfname);
+ sftp_finish_wildcard_matching(swcm);
+ sfree(unwcfname);
+ continue;
+ }
} else {
- fname = canonify(origfname);
+ origwfname = origfname;
+ swcm = NULL;
+ }
+
+ while (origwfname) {
+ fname = canonify(origwfname);
+
if (!fname) {
- printf("%s: %s\n", origfname, fxp_error());
+ printf("%s: %s\n", origwfname, fxp_error());
sfree(unwcfname);
return 0;
}
if (!multiple && i < cmd->nwords)
outfname = cmd->words[i++];
else
- outfname = stripslashes(origfname, 0);
+ outfname = stripslashes(origwfname, 0);
- ret = sftp_get_file(fname, outfname, recurse, restart, NULL);
+ ret = sftp_get_file(fname, outfname, recurse, restart);
sfree(fname);
+
+ if (swcm) {
+ sfree(origwfname);
+ origwfname = sftp_wildcard_get_filename(swcm);
+ } else {
+ origwfname = NULL;
+ }
}
sfree(unwcfname);
+ if (swcm)
+ sftp_finish_wildcard_matching(swcm);
if (!ret)
return ret;
*/
int sftp_general_put(struct sftp_command *cmd, int restart, int multiple)
{
- char *fname, *origoutfname, *outfname;
+ char *fname, *wfname, *origoutfname, *outfname;
int i, ret;
int recurse = FALSE;
} else if (!strcmp(cmd->words[i], "-r")) {
recurse = TRUE;
} else {
- printf("put: unrecognised option '%s'\n", cmd->words[i]);
+ printf("%s: unrecognised option '%s'\n", cmd->words[0], cmd->words[i]);
return 0;
}
i++;
}
if (i >= cmd->nwords) {
- printf("put: expects a filename\n");
+ printf("%s: expects a filename\n", cmd->words[0]);
return 0;
}
+ ret = 1;
do {
+ WildcardMatcher *wcm;
fname = cmd->words[i++];
if (multiple && test_wildcard(fname, FALSE) == WCTYPE_WILDCARD) {
- ret = sftp_put_file(NULL, pwd, recurse, restart, fname);
+ wcm = begin_wildcard_matching(fname);
+ wfname = wildcard_get_filename(wcm);
+ if (!wfname) {
+ /* Politely warn the user that nothing matched. */
+ printf("%s: nothing matched\n", fname);
+ finish_wildcard_matching(wcm);
+ continue;
+ }
} else {
+ wfname = fname;
+ wcm = NULL;
+ }
+
+ while (wfname) {
if (!multiple && i < cmd->nwords)
origoutfname = cmd->words[i++];
else
- origoutfname = stripslashes(fname, 1);
+ origoutfname = stripslashes(wfname, 1);
outfname = canonify(origoutfname);
if (!outfname) {
printf("%s: %s\n", origoutfname, fxp_error());
+ if (wcm) {
+ sfree(wfname);
+ finish_wildcard_matching(wcm);
+ }
return 0;
}
- ret = sftp_put_file(fname, outfname, recurse, restart, NULL);
+ ret = sftp_put_file(wfname, outfname, recurse, restart);
sfree(outfname);
+
+ if (wcm) {
+ sfree(wfname);
+ wfname = wildcard_get_filename(wcm);
+ } else {
+ wfname = NULL;
+ }
}
+
+ if (wcm)
+ finish_wildcard_matching(wcm);
+
if (!ret)
return ret;
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
},
{
},
{
"mget", TRUE, "download multiple files at once",
- " <filename-or-wildcard> [ <filename-or-wildcard>... ]\n"
+ " [ -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",
+ " such as \"*.c\" to specify lots of files at once.\n"
+ " If -r specified, recursively fetch files and directories.\n",
sftp_cmd_mget
},
{
},
{
"mput", TRUE, "upload multiple files at once",
- " <filename-or-wildcard> [ <filename-or-wildcard>... ]\n"
+ " [ -r ] [ -- ] <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",
+ " such as \"*.c\" to specify lots of files at once.\n"
+ " If -r specified, recursively store files and directories.\n",
sftp_cmd_mput
},
{
},
{
"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
},
{
printf(" -P port connect to specified port\n");
printf(" -pw passw login with specified password\n");
printf(" -1 -2 force use of particular SSH protocol version\n");
+ printf(" -4 -6 force use of IPv4 or IPv6\n");
printf(" -C enable compression\n");
printf(" -i key private key file for authentication\n");
printf(" -batch disable all interactive prompts\n");
back->special(backhandle, TS_EOF);
sftp_recvdata(&ch, 1);
}
+ do_sftp_cleanup();
random_save_seed();
cmdline_cleanup();
console_provide_logctx(NULL);
- do_sftp_cleanup();
- backhandle = NULL;
- back = NULL;
sk_cleanup();
return 0;
projects / u / mdw / putty / blobdiff