+int sftp_cmd_mkdir(struct sftp_command *cmd)
+{
+ char *dir;
+ int result;
+
+ if (back == NULL) {
+ printf("psftp: not connected to a host; use \"open host.name\"\n");
+ return 0;
+ }
+
+ if (cmd->nwords < 2) {
+ printf("mkdir: expects a directory\n");
+ return 0;
+ }
+
+ dir = canonify(cmd->words[1]);
+ if (!dir) {
+ printf("%s: %s\n", dir, fxp_error());
+ return 0;
+ }
+
+ result = fxp_mkdir(dir);
+ if (!result) {
+ printf("mkdir %s: %s\n", dir, fxp_error());
+ sfree(dir);
+ return 0;
+ }
+
+ sfree(dir);
+ return 1;
+}
+
+int sftp_cmd_rmdir(struct sftp_command *cmd)
+{
+ char *dir;
+ int result;
+
+ if (back == NULL) {
+ printf("psftp: not connected to a host; use \"open host.name\"\n");
+ return 0;
+ }
+
+ if (cmd->nwords < 2) {
+ printf("rmdir: expects a directory\n");
+ return 0;
+ }
+
+ dir = canonify(cmd->words[1]);
+ if (!dir) {
+ printf("%s: %s\n", dir, fxp_error());
+ return 0;
+ }
+
+ result = fxp_rmdir(dir);
+ if (!result) {
+ printf("rmdir %s: %s\n", dir, fxp_error());
+ sfree(dir);
+ return 0;
+ }
+
+ sfree(dir);
+ return 1;
+}
+
+int sftp_cmd_rm(struct sftp_command *cmd)
+{
+ char *fname;
+ int result;
+
+ if (back == NULL) {
+ printf("psftp: not connected to a host; use \"open host.name\"\n");
+ return 0;
+ }
+
+ if (cmd->nwords < 2) {
+ printf("rm: expects a filename\n");
+ return 0;
+ }
+
+ fname = canonify(cmd->words[1]);
+ if (!fname) {
+ printf("%s: %s\n", fname, fxp_error());
+ return 0;
+ }
+
+ result = fxp_remove(fname);
+ if (!result) {
+ printf("rm %s: %s\n", fname, fxp_error());
+ sfree(fname);
+ return 0;
+ }
+
+ sfree(fname);
+ return 1;
+}
+
+int sftp_cmd_mv(struct sftp_command *cmd)
+{
+ char *srcfname, *dstfname;
+ int result;
+
+ if (back == NULL) {
+ printf("psftp: not connected to a host; use \"open host.name\"\n");
+ return 0;
+ }
+
+ if (cmd->nwords < 3) {
+ printf("mv: expects two filenames\n");
+ return 0;
+ }
+ srcfname = canonify(cmd->words[1]);
+ if (!srcfname) {
+ printf("%s: %s\n", srcfname, fxp_error());
+ return 0;
+ }
+
+ dstfname = canonify(cmd->words[2]);
+ if (!dstfname) {
+ printf("%s: %s\n", dstfname, fxp_error());
+ return 0;
+ }
+
+ result = fxp_rename(srcfname, dstfname);
+ if (!result) {
+ char const *error = fxp_error();
+ struct fxp_attrs attrs;
+
+ /*
+ * The move might have failed because dstfname pointed at a
+ * directory. We check this possibility now: if dstfname
+ * _is_ a directory, we re-attempt the move by appending
+ * the basename of srcfname to dstfname.
+ */
+ result = fxp_stat(dstfname, &attrs);
+ if (result &&
+ (attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) &&
+ (attrs.permissions & 0040000)) {
+ char *p;
+ char *newname, *newcanon;
+ printf("(destination %s is a directory)\n", dstfname);
+ p = srcfname + strlen(srcfname);
+ while (p > srcfname && p[-1] != '/') p--;
+ newname = dupcat(dstfname, "/", p, NULL);
+ newcanon = canonify(newname);
+ sfree(newname);
+ if (newcanon) {
+ sfree(dstfname);
+ dstfname = newcanon;
+ result = fxp_rename(srcfname, dstfname);
+ error = result ? NULL : fxp_error();
+ }
+ }
+ if (error) {
+ printf("mv %s %s: %s\n", srcfname, dstfname, error);
+ sfree(srcfname);
+ sfree(dstfname);
+ return 0;
+ }
+ }
+ printf("%s -> %s\n", srcfname, dstfname);
+
+ sfree(srcfname);
+ sfree(dstfname);
+ return 1;
+}
+
+int sftp_cmd_chmod(struct sftp_command *cmd)
+{
+ char *fname, *mode;
+ int result;
+ struct fxp_attrs attrs;
+ unsigned attrs_clr, attrs_xor, oldperms, newperms;
+
+ if (back == NULL) {
+ printf("psftp: not connected to a host; use \"open host.name\"\n");
+ return 0;
+ }
+
+ if (cmd->nwords < 3) {
+ printf("chmod: expects a mode specifier and a filename\n");
+ return 0;
+ }
+
+ /*
+ * Attempt to parse the mode specifier in cmd->words[1]. We
+ * don't support the full horror of Unix chmod; instead we
+ * support a much simpler syntax in which the user can either
+ * specify an octal number, or a comma-separated sequence of
+ * [ugoa]*[-+=][rwxst]+. (The initial [ugoa] sequence may
+ * _only_ be omitted if the only attribute mentioned is t,
+ * since all others require a user/group/other specification.
+ * Additionally, the s attribute may not be specified for any
+ * [ugoa] specifications other than exactly u or exactly g.
+ */
+ attrs_clr = attrs_xor = 0;
+ mode = cmd->words[1];
+ if (mode[0] >= '0' && mode[0] <= '9') {
+ if (mode[strspn(mode, "01234567")]) {
+ printf("chmod: numeric file modes should"
+ " contain digits 0-7 only\n");
+ return 0;
+ }
+ attrs_clr = 07777;
+ sscanf(mode, "%o", &attrs_xor);
+ attrs_xor &= attrs_clr;
+ } else {
+ while (*mode) {
+ char *modebegin = mode;
+ unsigned subset, perms;
+ int action;
+
+ subset = 0;
+ while (*mode && *mode != ',' &&
+ *mode != '+' && *mode != '-' && *mode != '=') {
+ switch (*mode) {
+ case 'u': subset |= 04700; break; /* setuid, user perms */
+ case 'g': subset |= 02070; break; /* setgid, group perms */
+ case 'o': subset |= 00007; break; /* just other perms */
+ case 'a': subset |= 06777; break; /* all of the above */
+ default:
+ printf("chmod: file mode '%.*s' contains unrecognised"
+ " user/group/other specifier '%c'\n",
+ strcspn(modebegin, ","), modebegin, *mode);
+ return 0;
+ }
+ mode++;
+ }
+ if (!*mode || *mode == ',') {
+ printf("chmod: file mode '%.*s' is incomplete\n",
+ strcspn(modebegin, ","), modebegin);
+ return 0;
+ }
+ action = *mode++;
+ if (!*mode || *mode == ',') {
+ printf("chmod: file mode '%.*s' is incomplete\n",
+ strcspn(modebegin, ","), modebegin);
+ return 0;
+ }
+ perms = 0;
+ while (*mode && *mode != ',') {
+ switch (*mode) {
+ case 'r': perms |= 00444; break;
+ case 'w': perms |= 00222; break;
+ case 'x': perms |= 00111; break;
+ case 't': perms |= 01000; subset |= 01000; break;
+ case 's':
+ if ((subset & 06777) != 04700 &&
+ (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);
+ return 0;
+ }
+ perms |= 06000;
+ break;
+ default:
+ printf("chmod: file mode '%.*s' contains unrecognised"
+ " permission specifier '%c'\n",
+ 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);
+ return 0;
+ }
+ perms &= subset;
+ switch (action) {
+ case '+':
+ attrs_clr |= perms;
+ attrs_xor |= perms;
+ break;
+ case '-':
+ attrs_clr |= perms;
+ attrs_xor &= ~perms;
+ break;
+ case '=':
+ attrs_clr |= subset;
+ attrs_xor |= perms;
+ break;
+ }
+ if (*mode) mode++; /* eat comma */
+ }
+ }
+
+ fname = canonify(cmd->words[2]);
+ if (!fname) {
+ printf("%s: %s\n", fname, fxp_error());
+ return 0;
+ }
+
+ result = fxp_stat(fname, &attrs);
+ if (!result || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS)) {
+ printf("get attrs for %s: %s\n", fname,
+ result ? "file permissions not provided" : fxp_error());
+ sfree(fname);
+ return 0;
+ }
+
+ attrs.flags = SSH_FILEXFER_ATTR_PERMISSIONS; /* perms _only_ */
+ oldperms = attrs.permissions & 07777;
+ attrs.permissions &= ~attrs_clr;
+ attrs.permissions ^= attrs_xor;
+ newperms = attrs.permissions & 07777;
+
+ result = fxp_setstat(fname, attrs);
+
+ if (!result) {
+ printf("set attrs for %s: %s\n", fname, fxp_error());
+ sfree(fname);
+ return 0;
+ }
+
+ printf("%s: %04o -> %04o\n", fname, oldperms, newperms);
+
+ sfree(fname);
+ return 1;
+}
+
+static int sftp_cmd_open(struct sftp_command *cmd)
+{
+ if (back != NULL) {
+ printf("psftp: already connected\n");
+ return 0;
+ }
+
+ if (cmd->nwords < 2) {
+ printf("open: expects a host name\n");
+ return 0;
+ }
+
+ if (psftp_connect(cmd->words[1], NULL, 0)) {
+ back = NULL; /* connection is already closed */
+ return -1; /* this is fatal */
+ }
+ do_sftp_init();
+ return 1;
+}
+
+static int sftp_cmd_lcd(struct sftp_command *cmd)
+{
+ char *currdir;
+ int len;
+
+ 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);
+ return 0;
+ }
+
+ currdir = smalloc(256);
+ len = GetCurrentDirectory(256, currdir);
+ if (len > 256)
+ currdir = srealloc(currdir, len);
+ GetCurrentDirectory(len, currdir);
+ printf("New local directory is %s\n", currdir);
+ sfree(currdir);
+
+ return 1;
+}
+
+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);
+ printf("Current local directory is %s\n", currdir);
+ sfree(currdir);
+
+ return 1;
+}
+
+static int sftp_cmd_pling(struct sftp_command *cmd)
+{
+ int exitcode;
+
+ exitcode = system(cmd->words[1]);
+ return (exitcode == 0);
+}
+
+static int sftp_cmd_help(struct sftp_command *cmd);
+
~mdw / sgt / putty / blobdiff