+ return(0);
+}
+
+static int
+get_pathname(const char **cpp, char **path)
+{
+ const char *cp = *cpp, *end;
+ char quot;
+ u_int i, j;
+
+ cp += strspn(cp, WHITESPACE);
+ if (!*cp) {
+ *cpp = cp;
+ *path = NULL;
+ return (0);
+ }
+
+ *path = xmalloc(strlen(cp) + 1);
+
+ /* Check for quoted filenames */
+ if (*cp == '\"' || *cp == '\'') {
+ quot = *cp++;
+
+ /* Search for terminating quote, unescape some chars */
+ for (i = j = 0; i <= strlen(cp); i++) {
+ if (cp[i] == quot) { /* Found quote */
+ i++;
+ (*path)[j] = '\0';
+ break;
+ }
+ if (cp[i] == '\0') { /* End of string */
+ error("Unterminated quote");
+ goto fail;
+ }
+ if (cp[i] == '\\') { /* Escaped characters */
+ i++;
+ if (cp[i] != '\'' && cp[i] != '\"' &&
+ cp[i] != '\\') {
+ error("Bad escaped character '\\%c'",
+ cp[i]);
+ goto fail;
+ }
+ }
+ (*path)[j++] = cp[i];
+ }
+
+ if (j == 0) {
+ error("Empty quotes");
+ goto fail;
+ }
+ *cpp = cp + i + strspn(cp + i, WHITESPACE);
+ } else {
+ /* Read to end of filename */
+ end = strpbrk(cp, WHITESPACE);
+ if (end == NULL)
+ end = strchr(cp, '\0');
+ *cpp = end + strspn(end, WHITESPACE);
+
+ memcpy(*path, cp, end - cp);
+ (*path)[end - cp] = '\0';
+ }
+ return (0);
+
+ fail:
+ xfree(*path);
+ *path = NULL;
+ return (-1);
+}
+
+static int
+is_dir(char *path)
+{
+ struct stat sb;
+
+ /* XXX: report errors? */
+ if (stat(path, &sb) == -1)
+ return(0);
+
+ return(sb.st_mode & S_IFDIR);
+}
+
+static int
+is_reg(char *path)
+{
+ struct stat sb;
+
+ if (stat(path, &sb) == -1)
+ fatal("stat %s: %s", path, strerror(errno));
+
+ return(S_ISREG(sb.st_mode));
+}
+
+static int
+remote_is_dir(struct sftp_conn *conn, char *path)
+{
+ Attrib *a;
+
+ /* XXX: report errors? */
+ if ((a = do_stat(conn, path, 1)) == NULL)
+ return(0);
+ if (!(a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS))
+ return(0);
+ return(a->perm & S_IFDIR);
+}
+
+static int
+process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
+{
+ char *abs_src = NULL;
+ char *abs_dst = NULL;
+ char *tmp;
+ glob_t g;
+ int err = 0;
+ int i;
+
+ abs_src = xstrdup(src);
+ abs_src = make_absolute(abs_src, pwd);
+
+ memset(&g, 0, sizeof(g));
+ debug3("Looking up %s", abs_src);
+ if (remote_glob(conn, abs_src, 0, NULL, &g)) {
+ error("File \"%s\" not found.", abs_src);
+ err = -1;
+ goto out;
+ }
+
+ /* If multiple matches, dst must be a directory or unspecified */
+ if (g.gl_matchc > 1 && dst && !is_dir(dst)) {
+ error("Multiple files match, but \"%s\" is not a directory",
+ dst);
+ err = -1;
+ goto out;
+ }
+
+ for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
+ if (infer_path(g.gl_pathv[i], &tmp)) {
+ err = -1;
+ goto out;
+ }
+
+ if (g.gl_matchc == 1 && dst) {
+ /* If directory specified, append filename */
+ if (is_dir(dst)) {
+ if (infer_path(g.gl_pathv[0], &tmp)) {
+ err = 1;
+ goto out;
+ }
+ abs_dst = path_append(dst, tmp);
+ xfree(tmp);
+ } else
+ abs_dst = xstrdup(dst);
+ } else if (dst) {
+ abs_dst = path_append(dst, tmp);
+ xfree(tmp);
+ } else
+ abs_dst = tmp;
+
+ printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
+ if (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
+ err = -1;
+ xfree(abs_dst);
+ abs_dst = NULL;
+ }
+
+out:
+ xfree(abs_src);
+ if (abs_dst)
+ xfree(abs_dst);
+ globfree(&g);
+ return(err);
+}
+
+static int
+process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
+{
+ char *tmp_dst = NULL;
+ char *abs_dst = NULL;
+ char *tmp;
+ glob_t g;
+ int err = 0;
+ int i;
+
+ if (dst) {
+ tmp_dst = xstrdup(dst);
+ tmp_dst = make_absolute(tmp_dst, pwd);
+ }
+
+ memset(&g, 0, sizeof(g));
+ debug3("Looking up %s", src);
+ if (glob(src, 0, NULL, &g)) {
+ error("File \"%s\" not found.", src);
+ err = -1;
+ goto out;
+ }
+
+ /* If multiple matches, dst may be directory or unspecified */
+ if (g.gl_matchc > 1 && tmp_dst && !remote_is_dir(conn, tmp_dst)) {
+ error("Multiple files match, but \"%s\" is not a directory",
+ tmp_dst);
+ err = -1;
+ goto out;
+ }
+
+ for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
+ if (!is_reg(g.gl_pathv[i])) {
+ error("skipping non-regular file %s",
+ g.gl_pathv[i]);
+ continue;
+ }
+ if (infer_path(g.gl_pathv[i], &tmp)) {
+ err = -1;
+ goto out;
+ }
+
+ if (g.gl_matchc == 1 && tmp_dst) {
+ /* If directory specified, append filename */
+ if (remote_is_dir(conn, tmp_dst)) {
+ if (infer_path(g.gl_pathv[0], &tmp)) {
+ err = 1;
+ goto out;
+ }
+ abs_dst = path_append(tmp_dst, tmp);
+ xfree(tmp);
+ } else
+ abs_dst = xstrdup(tmp_dst);
+
+ } else if (tmp_dst) {
+ abs_dst = path_append(tmp_dst, tmp);
+ xfree(tmp);
+ } else
+ abs_dst = make_absolute(tmp, pwd);
+
+ printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
+ if (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
+ err = -1;
+ }
+
+out:
+ if (abs_dst)
+ xfree(abs_dst);
+ if (tmp_dst)
+ xfree(tmp_dst);
+ globfree(&g);
+ return(err);
+}
+
+static int
+sdirent_comp(const void *aa, const void *bb)
+{
+ SFTP_DIRENT *a = *(SFTP_DIRENT **)aa;
+ SFTP_DIRENT *b = *(SFTP_DIRENT **)bb;
+ int rmul = sort_flag & LS_REVERSE_SORT ? -1 : 1;
+
+#define NCMP(a,b) (a == b ? 0 : (a < b ? 1 : -1))
+ if (sort_flag & LS_NAME_SORT)
+ return (rmul * strcmp(a->filename, b->filename));
+ else if (sort_flag & LS_TIME_SORT)
+ return (rmul * NCMP(a->a.mtime, b->a.mtime));
+ else if (sort_flag & LS_SIZE_SORT)
+ return (rmul * NCMP(a->a.size, b->a.size));
+
+ fatal("Unknown ls sort type");
+}
+
+/* sftp ls.1 replacement for directories */
+static int
+do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
+{
+ int n;
+ u_int c = 1, colspace = 0, columns = 1;
+ SFTP_DIRENT **d;
+
+ if ((n = do_readdir(conn, path, &d)) != 0)
+ return (n);
+
+ if (!(lflag & LS_SHORT_VIEW)) {
+ u_int m = 0, width = 80;
+ struct winsize ws;
+ char *tmp;
+
+ /* Count entries for sort and find longest filename */
+ for (n = 0; d[n] != NULL; n++) {
+ if (d[n]->filename[0] != '.' || (lflag & LS_SHOW_ALL))
+ m = MAX(m, strlen(d[n]->filename));
+ }
+
+ /* Add any subpath that also needs to be counted */
+ tmp = path_strip(path, strip_path);
+ m += strlen(tmp);
+ xfree(tmp);
+
+ if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
+ width = ws.ws_col;
+
+ columns = width / (m + 2);
+ columns = MAX(columns, 1);
+ colspace = width / columns;
+ colspace = MIN(colspace, width);
+ }
+
+ if (lflag & SORT_FLAGS) {
+ for (n = 0; d[n] != NULL; n++)
+ ; /* count entries */
+ sort_flag = lflag & (SORT_FLAGS|LS_REVERSE_SORT);
+ qsort(d, n, sizeof(*d), sdirent_comp);
+ }
+
+ for (n = 0; d[n] != NULL && !interrupted; n++) {
+ char *tmp, *fname;
+
+ if (d[n]->filename[0] == '.' && !(lflag & LS_SHOW_ALL))
+ continue;
+
+ tmp = path_append(path, d[n]->filename);
+ fname = path_strip(tmp, strip_path);
+ xfree(tmp);
+
+ if (lflag & LS_LONG_VIEW) {
+ if (lflag & LS_NUMERIC_VIEW) {
+ char *lname;
+ struct stat sb;
+
+ memset(&sb, 0, sizeof(sb));
+ attrib_to_stat(&d[n]->a, &sb);
+ lname = ls_file(fname, &sb, 1);
+ printf("%s\n", lname);
+ xfree(lname);
+ } else
+ printf("%s\n", d[n]->longname);
+ } else {
+ printf("%-*s", colspace, fname);
+ if (c >= columns) {
+ printf("\n");
+ c = 1;
+ } else
+ c++;
+ }
+
+ xfree(fname);
+ }
+
+ if (!(lflag & LS_LONG_VIEW) && (c != 1))
+ printf("\n");
+
+ free_sftp_dirents(d);
+ return (0);
+}
+
+/* sftp ls.1 replacement which handles path globs */
+static int
+do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
+ int lflag)
+{
+ glob_t g;
+ u_int i, c = 1, colspace = 0, columns = 1;
+ Attrib *a = NULL;
+
+ memset(&g, 0, sizeof(g));
+
+ if (remote_glob(conn, path, GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE,
+ NULL, &g) || (g.gl_pathc && !g.gl_matchc)) {
+ if (g.gl_pathc)
+ globfree(&g);
+ error("Can't ls: \"%s\" not found", path);
+ return (-1);
+ }
+
+ if (interrupted)
+ goto out;
+
+ /*
+ * If the glob returns a single match and it is a directory,
+ * then just list its contents.
+ */
+ if (g.gl_matchc == 1) {
+ if ((a = do_lstat(conn, g.gl_pathv[0], 1)) == NULL) {
+ globfree(&g);
+ return (-1);
+ }
+ if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
+ S_ISDIR(a->perm)) {
+ int err;
+
+ err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
+ globfree(&g);
+ return (err);
+ }
+ }
+
+ if (!(lflag & LS_SHORT_VIEW)) {
+ u_int m = 0, width = 80;
+ struct winsize ws;
+
+ /* Count entries for sort and find longest filename */
+ for (i = 0; g.gl_pathv[i]; i++)
+ m = MAX(m, strlen(g.gl_pathv[i]));
+
+ if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
+ width = ws.ws_col;
+
+ columns = width / (m + 2);
+ columns = MAX(columns, 1);
+ colspace = width / columns;
+ }
+
+ for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
+ char *fname;
+
+ fname = path_strip(g.gl_pathv[i], strip_path);
+
+ if (lflag & LS_LONG_VIEW) {
+ char *lname;
+ struct stat sb;
+
+ /*
+ * XXX: this is slow - 1 roundtrip per path
+ * A solution to this is to fork glob() and
+ * build a sftp specific version which keeps the
+ * attribs (which currently get thrown away)
+ * that the server returns as well as the filenames.
+ */
+ memset(&sb, 0, sizeof(sb));
+ if (a == NULL)
+ a = do_lstat(conn, g.gl_pathv[i], 1);
+ if (a != NULL)
+ attrib_to_stat(a, &sb);
+ lname = ls_file(fname, &sb, 1);
+ printf("%s\n", lname);
+ xfree(lname);
+ } else {
+ printf("%-*s", colspace, fname);
+ if (c >= columns) {
+ printf("\n");
+ c = 1;
+ } else
+ c++;
+ }
+ xfree(fname);
+ }
+
+ if (!(lflag & LS_LONG_VIEW) && (c != 1))
+ printf("\n");
+
+ out:
+ if (g.gl_pathc)
+ globfree(&g);
+
+ return (0);
+}
+
+static int
+parse_args(const char **cpp, int *pflag, int *lflag, int *iflag,
+ unsigned long *n_arg, char **path1, char **path2)
+{
+ const char *cmd, *cp = *cpp;
+ char *cp2;
+ int base = 0;
+ long l;
+ int i, cmdnum;
+
+ /* Skip leading whitespace */
+ cp = cp + strspn(cp, WHITESPACE);
+
+ /* Ignore blank lines and lines which begin with comment '#' char */
+ if (*cp == '\0' || *cp == '#')
+ return (0);
+
+ /* Check for leading '-' (disable error processing) */
+ *iflag = 0;
+ if (*cp == '-') {
+ *iflag = 1;
+ cp++;
+ }
+
+ /* Figure out which command we have */
+ for (i = 0; cmds[i].c; i++) {
+ int cmdlen = strlen(cmds[i].c);
+
+ /* Check for command followed by whitespace */
+ if (!strncasecmp(cp, cmds[i].c, cmdlen) &&
+ strchr(WHITESPACE, cp[cmdlen])) {
+ cp += cmdlen;
+ cp = cp + strspn(cp, WHITESPACE);
+ break;
+ }
+ }
+ cmdnum = cmds[i].n;
+ cmd = cmds[i].c;
+
+ /* Special case */
+ if (*cp == '!') {
+ cp++;
+ cmdnum = I_SHELL;
+ } else if (cmdnum == -1) {
+ error("Invalid command.");
+ return (-1);
+ }
+
+ /* Get arguments and parse flags */
+ *lflag = *pflag = *n_arg = 0;
+ *path1 = *path2 = NULL;
+ switch (cmdnum) {
+ case I_GET:
+ case I_PUT:
+ if (parse_getput_flags(&cp, pflag))
+ return(-1);
+ /* Get first pathname (mandatory) */
+ if (get_pathname(&cp, path1))
+ return(-1);
+ if (*path1 == NULL) {
+ error("You must specify at least one path after a "
+ "%s command.", cmd);
+ return(-1);
+ }
+ /* Try to get second pathname (optional) */
+ if (get_pathname(&cp, path2))
+ return(-1);
+ break;
+ case I_RENAME:
+ case I_SYMLINK:
+ if (get_pathname(&cp, path1))
+ return(-1);
+ if (get_pathname(&cp, path2))
+ return(-1);
+ if (!*path1 || !*path2) {
+ error("You must specify two paths after a %s "
+ "command.", cmd);
+ return(-1);
+ }
+ break;
+ case I_RM:
+ case I_MKDIR:
+ case I_RMDIR:
+ case I_CHDIR:
+ case I_LCHDIR:
+ case I_LMKDIR:
+ /* Get pathname (mandatory) */
+ if (get_pathname(&cp, path1))
+ return(-1);
+ if (*path1 == NULL) {
+ error("You must specify a path after a %s command.",
+ cmd);
+ return(-1);
+ }
+ break;
+ case I_LS:
+ if (parse_ls_flags(&cp, lflag))
+ return(-1);
+ /* Path is optional */
+ if (get_pathname(&cp, path1))
+ return(-1);
+ break;
+ case I_LLS:
+ case I_SHELL:
+ /* Uses the rest of the line */
+ break;
+ case I_LUMASK:
+ base = 8;
+ case I_CHMOD:
+ base = 8;
+ case I_CHOWN:
+ case I_CHGRP:
+ /* Get numeric arg (mandatory) */
+ l = strtol(cp, &cp2, base);
+ if (cp2 == cp || ((l == LONG_MIN || l == LONG_MAX) &&
+ errno == ERANGE) || l < 0) {
+ error("You must supply a numeric argument "
+ "to the %s command.", cmd);
+ return(-1);
+ }
+ cp = cp2;
+ *n_arg = l;
+ if (cmdnum == I_LUMASK && strchr(WHITESPACE, *cp))
+ break;
+ if (cmdnum == I_LUMASK || !strchr(WHITESPACE, *cp)) {
+ error("You must supply a numeric argument "
+ "to the %s command.", cmd);
+ return(-1);
+ }
+ cp += strspn(cp, WHITESPACE);
+
+ /* Get pathname (mandatory) */
+ if (get_pathname(&cp, path1))
+ return(-1);
+ if (*path1 == NULL) {
+ error("You must specify a path after a %s command.",
+ cmd);
+ return(-1);
+ }
+ break;
+ case I_QUIT:
+ case I_PWD:
+ case I_LPWD:
+ case I_HELP:
+ case I_VERSION:
+ case I_PROGRESS:
+ break;
+ default:
+ fatal("Command not implemented");
+ }
+
+ *cpp = cp;
+ return(cmdnum);
+}
+
+static int
+parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
+ int err_abort)
+{
+ char *path1, *path2, *tmp;
+ int pflag, lflag, iflag, cmdnum, i;
+ unsigned long n_arg;
+ Attrib a, *aa;
+ char path_buf[MAXPATHLEN];
+ int err = 0;
+ glob_t g;
+
+ path1 = path2 = NULL;
+ cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &n_arg,
+ &path1, &path2);
+
+ if (iflag != 0)
+ err_abort = 0;
+
+ memset(&g, 0, sizeof(g));
+
+ /* Perform command */
+ switch (cmdnum) {
+ case 0:
+ /* Blank line */
+ break;
+ case -1:
+ /* Unrecognized command */
+ err = -1;
+ break;
+ case I_GET:
+ err = process_get(conn, path1, path2, *pwd, pflag);
+ break;
+ case I_PUT:
+ err = process_put(conn, path1, path2, *pwd, pflag);
+ break;
+ case I_RENAME:
+ path1 = make_absolute(path1, *pwd);
+ path2 = make_absolute(path2, *pwd);
+ err = do_rename(conn, path1, path2);
+ break;
+ case I_SYMLINK:
+ path2 = make_absolute(path2, *pwd);
+ err = do_symlink(conn, path1, path2);
+ break;
+ case I_RM:
+ path1 = make_absolute(path1, *pwd);
+ remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
+ for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
+ printf("Removing %s\n", g.gl_pathv[i]);
+ err = do_rm(conn, g.gl_pathv[i]);
+ if (err != 0 && err_abort)
+ break;
+ }
+ break;
+ case I_MKDIR:
+ path1 = make_absolute(path1, *pwd);
+ attrib_clear(&a);
+ a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
+ a.perm = 0777;
+ err = do_mkdir(conn, path1, &a);
+ break;
+ case I_RMDIR:
+ path1 = make_absolute(path1, *pwd);
+ err = do_rmdir(conn, path1);
+ break;
+ case I_CHDIR:
+ path1 = make_absolute(path1, *pwd);
+ if ((tmp = do_realpath(conn, path1)) == NULL) {
+ err = 1;
+ break;
+ }
+ if ((aa = do_stat(conn, tmp, 0)) == NULL) {
+ xfree(tmp);
+ err = 1;
+ break;
+ }
+ if (!(aa->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)) {
+ error("Can't change directory: Can't check target");
+ xfree(tmp);
+ err = 1;
+ break;
+ }
+ if (!S_ISDIR(aa->perm)) {
+ error("Can't change directory: \"%s\" is not "
+ "a directory", tmp);
+ xfree(tmp);
+ err = 1;
+ break;
+ }
+ xfree(*pwd);
+ *pwd = tmp;
+ break;
+ case I_LS:
+ if (!path1) {
+ do_globbed_ls(conn, *pwd, *pwd, lflag);
+ break;
+ }
+
+ /* Strip pwd off beginning of non-absolute paths */
+ tmp = NULL;
+ if (*path1 != '/')
+ tmp = *pwd;
+
+ path1 = make_absolute(path1, *pwd);
+ err = do_globbed_ls(conn, path1, tmp, lflag);
+ break;
+ case I_LCHDIR:
+ if (chdir(path1) == -1) {
+ error("Couldn't change local directory to "
+ "\"%s\": %s", path1, strerror(errno));
+ err = 1;
+ }
+ break;
+ case I_LMKDIR:
+ if (mkdir(path1, 0777) == -1) {
+ error("Couldn't create local directory "
+ "\"%s\": %s", path1, strerror(errno));
+ err = 1;
+ }
+ break;
+ case I_LLS:
+ local_do_ls(cmd);
+ break;
+ case I_SHELL:
+ local_do_shell(cmd);
+ break;
+ case I_LUMASK:
+ umask(n_arg);
+ printf("Local umask: %03lo\n", n_arg);
+ break;
+ case I_CHMOD:
+ path1 = make_absolute(path1, *pwd);
+ attrib_clear(&a);
+ a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
+ a.perm = n_arg;
+ remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
+ for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
+ printf("Changing mode on %s\n", g.gl_pathv[i]);
+ err = do_setstat(conn, g.gl_pathv[i], &a);
+ if (err != 0 && err_abort)
+ break;
+ }
+ break;
+ case I_CHOWN:
+ case I_CHGRP:
+ path1 = make_absolute(path1, *pwd);
+ remote_glob(conn, path1, GLOB_NOCHECK, NULL, &g);
+ for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
+ if (!(aa = do_stat(conn, g.gl_pathv[i], 0))) {
+ if (err != 0 && err_abort)
+ break;
+ else
+ continue;
+ }
+ if (!(aa->flags & SSH2_FILEXFER_ATTR_UIDGID)) {
+ error("Can't get current ownership of "
+ "remote file \"%s\"", g.gl_pathv[i]);
+ if (err != 0 && err_abort)
+ break;
+ else
+ continue;
+ }
+ aa->flags &= SSH2_FILEXFER_ATTR_UIDGID;
+ if (cmdnum == I_CHOWN) {
+ printf("Changing owner on %s\n", g.gl_pathv[i]);
+ aa->uid = n_arg;
+ } else {
+ printf("Changing group on %s\n", g.gl_pathv[i]);
+ aa->gid = n_arg;
+ }
+ err = do_setstat(conn, g.gl_pathv[i], aa);
+ if (err != 0 && err_abort)
+ break;
+ }
+ break;
+ case I_PWD:
+ printf("Remote working directory: %s\n", *pwd);
+ break;
+ case I_LPWD:
+ if (!getcwd(path_buf, sizeof(path_buf))) {
+ error("Couldn't get local cwd: %s", strerror(errno));
+ err = -1;
+ break;
+ }
+ printf("Local working directory: %s\n", path_buf);
+ break;
+ case I_QUIT:
+ /* Processed below */
+ break;
+ case I_HELP:
+ help();
+ break;
+ case I_VERSION:
+ printf("SFTP protocol version %u\n", sftp_proto_version(conn));
+ break;
+ case I_PROGRESS:
+ showprogress = !showprogress;
+ if (showprogress)
+ printf("Progress meter enabled\n");
+ else
+ printf("Progress meter disabled\n");
+ break;
+ default:
+ fatal("%d is not implemented", cmdnum);
+ }
+
+ if (g.gl_pathc)
+ globfree(&g);
+ if (path1)
+ xfree(path1);
+ if (path2)
+ xfree(path2);
+
+ /* If an unignored error occurs in batch mode we should abort. */
+ if (err_abort && err != 0)
+ return (-1);
+ else if (cmdnum == I_QUIT)
+ return (1);
+
+ return (0);
+}
+
+#ifdef USE_LIBEDIT
+static char *
+prompt(EditLine *el)
+{
+ return ("sftp> ");
+}
+#endif
+
+int
+interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
+{
+ char *pwd;
+ char *dir = NULL;
+ char cmd[2048];
+ struct sftp_conn *conn;
+ int err, interactive;
+ EditLine *el = NULL;
+#ifdef USE_LIBEDIT
+ History *hl = NULL;
+ HistEvent hev;
+ extern char *__progname;
+
+ if (!batchmode && isatty(STDIN_FILENO)) {
+ if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
+ fatal("Couldn't initialise editline");
+ if ((hl = history_init()) == NULL)
+ fatal("Couldn't initialise editline history");
+ history(hl, &hev, H_SETSIZE, 100);
+ el_set(el, EL_HIST, history, hl);
+
+ el_set(el, EL_PROMPT, prompt);
+ el_set(el, EL_EDITOR, "emacs");
+ el_set(el, EL_TERMINAL, NULL);
+ el_set(el, EL_SIGNAL, 1);
+ el_source(el, NULL);
+ }
+#endif /* USE_LIBEDIT */
+
+ conn = do_init(fd_in, fd_out, copy_buffer_len, num_requests);
+ if (conn == NULL)
+ fatal("Couldn't initialise connection to server");
+
+ pwd = do_realpath(conn, ".");
+ if (pwd == NULL)
+ fatal("Need cwd");
+
+ if (file1 != NULL) {
+ dir = xstrdup(file1);
+ dir = make_absolute(dir, pwd);
+
+ if (remote_is_dir(conn, dir) && file2 == NULL) {
+ printf("Changing to: %s\n", dir);
+ snprintf(cmd, sizeof cmd, "cd \"%s\"", dir);
+ if (parse_dispatch_command(conn, cmd, &pwd, 1) != 0) {
+ xfree(dir);
+ xfree(pwd);
+ return (-1);
+ }
+ } else {
+ if (file2 == NULL)
+ snprintf(cmd, sizeof cmd, "get %s", dir);
+ else
+ snprintf(cmd, sizeof cmd, "get %s %s", dir,
+ file2);
+
+ err = parse_dispatch_command(conn, cmd, &pwd, 1);
+ xfree(dir);
+ xfree(pwd);
+ return (err);
+ }
+ xfree(dir);
+ }
+
+#if defined(HAVE_SETVBUF) && !defined(BROKEN_SETVBUF)
+ setvbuf(stdout, NULL, _IOLBF, 0);
+ setvbuf(infile, NULL, _IOLBF, 0);
+#else
+ setlinebuf(stdout);
+ setlinebuf(infile);
+#endif
+
+ interactive = !batchmode && isatty(STDIN_FILENO);
+ err = 0;
+ for (;;) {
+ char *cp;
+
+ signal(SIGINT, SIG_IGN);
+
+ if (el == NULL) {
+ if (interactive)
+ printf("sftp> ");
+ if (fgets(cmd, sizeof(cmd), infile) == NULL) {
+ if (interactive)
+ printf("\n");
+ break;
+ }
+ if (!interactive) { /* Echo command */
+ printf("sftp> %s", cmd);
+ if (strlen(cmd) > 0 &&
+ cmd[strlen(cmd) - 1] != '\n')
+ printf("\n");
+ }
+ } else {
+#ifdef USE_LIBEDIT
+ const char *line;
+ int count = 0;
+
+ if ((line = el_gets(el, &count)) == NULL || count <= 0) {
+ printf("\n");
+ break;
+ }
+ history(hl, &hev, H_ENTER, line);
+ if (strlcpy(cmd, line, sizeof(cmd)) >= sizeof(cmd)) {
+ fprintf(stderr, "Error: input line too long\n");
+ continue;
+ }
+#endif /* USE_LIBEDIT */
+ }
+
+ cp = strrchr(cmd, '\n');
+ if (cp)
+ *cp = '\0';
+
+ /* Handle user interrupts gracefully during commands */
+ interrupted = 0;
+ signal(SIGINT, cmd_interrupt);
+
+ err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
+ if (err != 0)
+ break;
+ }
+ xfree(pwd);
+
+#ifdef USE_LIBEDIT
+ if (el != NULL)
+ el_end(el);
+#endif /* USE_LIBEDIT */
+
+ /* err == 1 signifies normal "quit" exit */
+ return (err >= 0 ? 0 : -1);
+}
+
+static void
+connect_to_server(char *path, char **args, int *in, int *out)