+do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
+{
+ struct sftp_statvfs st;
+ char s_used[FMT_SCALED_STRSIZE];
+ char s_avail[FMT_SCALED_STRSIZE];
+ char s_root[FMT_SCALED_STRSIZE];
+ char s_total[FMT_SCALED_STRSIZE];
+ unsigned long long ffree;
+
+ if (do_statvfs(conn, path, &st, 1) == -1)
+ return -1;
+ if (iflag) {
+ ffree = st.f_files ? (100 * (st.f_files - st.f_ffree) / st.f_files) : 0;
+ printf(" Inodes Used Avail "
+ "(root) %%Capacity\n");
+ printf("%11llu %11llu %11llu %11llu %3llu%%\n",
+ (unsigned long long)st.f_files,
+ (unsigned long long)(st.f_files - st.f_ffree),
+ (unsigned long long)st.f_favail,
+ (unsigned long long)st.f_ffree, ffree);
+ } else if (hflag) {
+ strlcpy(s_used, "error", sizeof(s_used));
+ strlcpy(s_avail, "error", sizeof(s_avail));
+ strlcpy(s_root, "error", sizeof(s_root));
+ strlcpy(s_total, "error", sizeof(s_total));
+ fmt_scaled((st.f_blocks - st.f_bfree) * st.f_frsize, s_used);
+ fmt_scaled(st.f_bavail * st.f_frsize, s_avail);
+ fmt_scaled(st.f_bfree * st.f_frsize, s_root);
+ fmt_scaled(st.f_blocks * st.f_frsize, s_total);
+ printf(" Size Used Avail (root) %%Capacity\n");
+ printf("%7sB %7sB %7sB %7sB %3llu%%\n",
+ s_total, s_used, s_avail, s_root,
+ (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
+ st.f_blocks));
+ } else {
+ printf(" Size Used Avail "
+ "(root) %%Capacity\n");
+ printf("%12llu %12llu %12llu %12llu %3llu%%\n",
+ (unsigned long long)(st.f_frsize * st.f_blocks / 1024),
+ (unsigned long long)(st.f_frsize *
+ (st.f_blocks - st.f_bfree) / 1024),
+ (unsigned long long)(st.f_frsize * st.f_bavail / 1024),
+ (unsigned long long)(st.f_frsize * st.f_bfree / 1024),
+ (unsigned long long)(100 * (st.f_blocks - st.f_bfree) /
+ st.f_blocks));
+ }
+ return 0;
+}
+
+/*
+ * Undo escaping of glob sequences in place. Used to undo extra escaping
+ * applied in makeargv() when the string is destined for a function that
+ * does not glob it.
+ */
+static void
+undo_glob_escape(char *s)
+{
+ size_t i, j;
+
+ for (i = j = 0;;) {
+ if (s[i] == '\0') {
+ s[j] = '\0';
+ return;
+ }
+ if (s[i] != '\\') {
+ s[j++] = s[i++];
+ continue;
+ }
+ /* s[i] == '\\' */
+ ++i;
+ switch (s[i]) {
+ case '?':
+ case '[':
+ case '*':
+ case '\\':
+ s[j++] = s[i++];
+ break;
+ case '\0':
+ s[j++] = '\\';
+ s[j] = '\0';
+ return;
+ default:
+ s[j++] = '\\';
+ s[j++] = s[i++];
+ break;
+ }
+ }
+}
+
+/*
+ * Split a string into an argument vector using sh(1)-style quoting,
+ * comment and escaping rules, but with some tweaks to handle glob(3)
+ * wildcards.
+ * Returns NULL on error or a NULL-terminated array of arguments.
+ */
+#define MAXARGS 128
+#define MAXARGLEN 8192
+static char **
+makeargv(const char *arg, int *argcp)
+{
+ int argc, quot;
+ size_t i, j;
+ static char argvs[MAXARGLEN];
+ static char *argv[MAXARGS + 1];
+ enum { MA_START, MA_SQUOTE, MA_DQUOTE, MA_UNQUOTED } state, q;
+
+ *argcp = argc = 0;
+ if (strlen(arg) > sizeof(argvs) - 1) {
+ args_too_longs:
+ error("string too long");
+ return NULL;
+ }
+ state = MA_START;
+ i = j = 0;
+ for (;;) {
+ if (isspace(arg[i])) {
+ if (state == MA_UNQUOTED) {
+ /* Terminate current argument */
+ argvs[j++] = '\0';
+ argc++;
+ state = MA_START;
+ } else if (state != MA_START)
+ argvs[j++] = arg[i];
+ } else if (arg[i] == '"' || arg[i] == '\'') {
+ q = arg[i] == '"' ? MA_DQUOTE : MA_SQUOTE;
+ if (state == MA_START) {
+ argv[argc] = argvs + j;
+ state = q;
+ } else if (state == MA_UNQUOTED)
+ state = q;
+ else if (state == q)
+ state = MA_UNQUOTED;
+ else
+ argvs[j++] = arg[i];
+ } else if (arg[i] == '\\') {
+ if (state == MA_SQUOTE || state == MA_DQUOTE) {
+ quot = state == MA_SQUOTE ? '\'' : '"';
+ /* Unescape quote we are in */
+ /* XXX support \n and friends? */
+ if (arg[i + 1] == quot) {
+ i++;
+ argvs[j++] = arg[i];
+ } else if (arg[i + 1] == '?' ||
+ arg[i + 1] == '[' || arg[i + 1] == '*') {
+ /*
+ * Special case for sftp: append
+ * double-escaped glob sequence -
+ * glob will undo one level of
+ * escaping. NB. string can grow here.
+ */
+ if (j >= sizeof(argvs) - 5)
+ goto args_too_longs;
+ argvs[j++] = '\\';
+ argvs[j++] = arg[i++];
+ argvs[j++] = '\\';
+ argvs[j++] = arg[i];
+ } else {
+ argvs[j++] = arg[i++];
+ argvs[j++] = arg[i];
+ }
+ } else {
+ if (state == MA_START) {
+ argv[argc] = argvs + j;
+ state = MA_UNQUOTED;
+ }
+ if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
+ arg[i + 1] == '*' || arg[i + 1] == '\\') {
+ /*
+ * Special case for sftp: append
+ * escaped glob sequence -
+ * glob will undo one level of
+ * escaping.
+ */
+ argvs[j++] = arg[i++];
+ argvs[j++] = arg[i];
+ } else {
+ /* Unescape everything */
+ /* XXX support \n and friends? */
+ i++;
+ argvs[j++] = arg[i];
+ }
+ }
+ } else if (arg[i] == '#') {
+ if (state == MA_SQUOTE || state == MA_DQUOTE)
+ argvs[j++] = arg[i];
+ else
+ goto string_done;
+ } else if (arg[i] == '\0') {
+ if (state == MA_SQUOTE || state == MA_DQUOTE) {
+ error("Unterminated quoted argument");
+ return NULL;
+ }
+ string_done:
+ if (state == MA_UNQUOTED) {
+ argvs[j++] = '\0';
+ argc++;
+ }
+ break;
+ } else {
+ if (state == MA_START) {
+ argv[argc] = argvs + j;
+ state = MA_UNQUOTED;
+ }
+ if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
+ (arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
+ /*
+ * Special case for sftp: escape quoted
+ * glob(3) wildcards. NB. string can grow
+ * here.
+ */
+ if (j >= sizeof(argvs) - 3)
+ goto args_too_longs;
+ argvs[j++] = '\\';
+ argvs[j++] = arg[i];
+ } else
+ argvs[j++] = arg[i];
+ }
+ i++;
+ }
+ *argcp = argc;
+ return argv;
+}
+
+static int
+parse_args(const char **cpp, int *pflag, int *rflag, int *lflag, int *iflag, int *hflag,