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sftp.c
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/* $OpenBSD: sftp.c,v 1.132 2010/12/04 00:18:01 djm Exp $ */
/*
* Copyright (c) 2001-2004 Damien Miller <[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "includes.h"
#include <sys/types.h>
#include <sys/ioctl.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/wait.h>
#ifdef HAVE_SYS_STATVFS_H
#include <sys/statvfs.h>
#endif
#include <ctype.h>
#include <errno.h>
#ifdef HAVE_PATHS_H
# include <paths.h>
#endif
#ifdef HAVE_LIBGEN_H
#include <libgen.h>
#endif
#ifdef USE_LIBEDIT
#include <histedit.h>
#else
typedef void EditLine;
#endif
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdarg.h>
#ifdef HAVE_UTIL_H
# include <util.h>
#endif
#ifdef HAVE_LIBUTIL_H
# include <libutil.h>
#endif
#include "xmalloc.h"
#include "log.h"
#include "pathnames.h"
#include "misc.h"
#include "sftp.h"
#include "buffer.h"
#include "sftp-common.h"
#include "sftp-client.h"
#define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */
#define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */
/* File to read commands from */
FILE* infile;
/* Are we in batchfile mode? */
int batchmode = 0;
/* PID of ssh transport process */
static pid_t sshpid = -1;
/* This is set to 0 if the progressmeter is not desired. */
int showprogress = 1;
/* When this option is set, we always recursively download/upload directories */
int global_rflag = 0;
/* When this option is set, the file transfers will always preserve times */
int global_pflag = 0;
/* SIGINT received during command processing */
volatile sig_atomic_t interrupted = 0;
/* I wish qsort() took a separate ctx for the comparison function...*/
int sort_flag;
/* Context used for commandline completion */
struct complete_ctx {
struct sftp_conn *conn;
char **remote_pathp;
};
int remote_glob(struct sftp_conn *, const char *, int,
int (*)(const char *, int), glob_t *); /* proto for sftp-glob.c */
extern char *__progname;
/* Separators for interactive commands */
#define WHITESPACE " \t\r\n"
/* ls flags */
#define LS_LONG_VIEW 0x0001 /* Full view ala ls -l */
#define LS_SHORT_VIEW 0x0002 /* Single row view ala ls -1 */
#define LS_NUMERIC_VIEW 0x0004 /* Long view with numeric uid/gid */
#define LS_NAME_SORT 0x0008 /* Sort by name (default) */
#define LS_TIME_SORT 0x0010 /* Sort by mtime */
#define LS_SIZE_SORT 0x0020 /* Sort by file size */
#define LS_REVERSE_SORT 0x0040 /* Reverse sort order */
#define LS_SHOW_ALL 0x0080 /* Don't skip filenames starting with '.' */
#define LS_SI_UNITS 0x0100 /* Display sizes as K, M, G, etc. */
#define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW|LS_SI_UNITS)
#define SORT_FLAGS (LS_NAME_SORT|LS_TIME_SORT|LS_SIZE_SORT)
/* Commands for interactive mode */
#define I_CHDIR 1
#define I_CHGRP 2
#define I_CHMOD 3
#define I_CHOWN 4
#define I_DF 24
#define I_GET 5
#define I_HELP 6
#define I_LCHDIR 7
#define I_LINK 25
#define I_LLS 8
#define I_LMKDIR 9
#define I_LPWD 10
#define I_LS 11
#define I_LUMASK 12
#define I_MKDIR 13
#define I_PUT 14
#define I_PWD 15
#define I_QUIT 16
#define I_RENAME 17
#define I_RM 18
#define I_RMDIR 19
#define I_SHELL 20
#define I_SYMLINK 21
#define I_VERSION 22
#define I_PROGRESS 23
struct CMD {
const char *c;
const int n;
const int t;
};
/* Type of completion */
#define NOARGS 0
#define REMOTE 1
#define LOCAL 2
static const struct CMD cmds[] = {
{ "bye", I_QUIT, NOARGS },
{ "cd", I_CHDIR, REMOTE },
{ "chdir", I_CHDIR, REMOTE },
{ "chgrp", I_CHGRP, REMOTE },
{ "chmod", I_CHMOD, REMOTE },
{ "chown", I_CHOWN, REMOTE },
{ "df", I_DF, REMOTE },
{ "dir", I_LS, REMOTE },
{ "exit", I_QUIT, NOARGS },
{ "get", I_GET, REMOTE },
{ "help", I_HELP, NOARGS },
{ "lcd", I_LCHDIR, LOCAL },
{ "lchdir", I_LCHDIR, LOCAL },
{ "lls", I_LLS, LOCAL },
{ "lmkdir", I_LMKDIR, LOCAL },
{ "ln", I_LINK, REMOTE },
{ "lpwd", I_LPWD, LOCAL },
{ "ls", I_LS, REMOTE },
{ "lumask", I_LUMASK, NOARGS },
{ "mkdir", I_MKDIR, REMOTE },
{ "mget", I_GET, REMOTE },
{ "mput", I_PUT, LOCAL },
{ "progress", I_PROGRESS, NOARGS },
{ "put", I_PUT, LOCAL },
{ "pwd", I_PWD, REMOTE },
{ "quit", I_QUIT, NOARGS },
{ "rename", I_RENAME, REMOTE },
{ "rm", I_RM, REMOTE },
{ "rmdir", I_RMDIR, REMOTE },
{ "symlink", I_SYMLINK, REMOTE },
{ "version", I_VERSION, NOARGS },
{ "!", I_SHELL, NOARGS },
{ "?", I_HELP, NOARGS },
{ NULL, -1, -1 }
};
int interactive_loop(struct sftp_conn *, char *file1, char *file2);
/* ARGSUSED */
static void
killchild(int signo)
{
if (sshpid > 1) {
kill(sshpid, SIGTERM);
waitpid(sshpid, NULL, 0);
}
_exit(1);
}
/* ARGSUSED */
static void
cmd_interrupt(int signo)
{
const char msg[] = "\rInterrupt \n";
int olderrno = errno;
write(STDERR_FILENO, msg, sizeof(msg) - 1);
interrupted = 1;
errno = olderrno;
}
static void
help(void)
{
printf("Available commands:\n"
"bye Quit sftp\n"
"cd path Change remote directory to 'path'\n"
"chgrp grp path Change group of file 'path' to 'grp'\n"
"chmod mode path Change permissions of file 'path' to 'mode'\n"
"chown own path Change owner of file 'path' to 'own'\n"
"df [-hi] [path] Display statistics for current directory or\n"
" filesystem containing 'path'\n"
"exit Quit sftp\n"
"get [-Ppr] remote [local] Download file\n"
"help Display this help text\n"
"lcd path Change local directory to 'path'\n"
"lls [ls-options [path]] Display local directory listing\n"
"lmkdir path Create local directory\n"
"ln [-s] oldpath newpath Link remote file (-s for symlink)\n"
"lpwd Print local working directory\n"
"ls [-1afhlnrSt] [path] Display remote directory listing\n"
"lumask umask Set local umask to 'umask'\n"
"mkdir path Create remote directory\n"
"progress Toggle display of progress meter\n"
"put [-Ppr] local [remote] Upload file\n"
"pwd Display remote working directory\n"
"quit Quit sftp\n"
"rename oldpath newpath Rename remote file\n"
"rm path Delete remote file\n"
"rmdir path Remove remote directory\n"
"symlink oldpath newpath Symlink remote file\n"
"version Show SFTP version\n"
"!command Execute 'command' in local shell\n"
"! Escape to local shell\n"
"? Synonym for help\n");
}
static void
local_do_shell(const char *args)
{
int status;
char *shell;
pid_t pid;
if (!*args)
args = NULL;
if ((shell = getenv("SHELL")) == NULL || *shell == '\0')
shell = _PATH_BSHELL;
if ((pid = fork()) == -1)
fatal("Couldn't fork: %s", strerror(errno));
if (pid == 0) {
/* XXX: child has pipe fds to ssh subproc open - issue? */
if (args) {
debug3("Executing %s -c \"%s\"", shell, args);
execl(shell, shell, "-c", args, (char *)NULL);
} else {
debug3("Executing %s", shell);
execl(shell, shell, (char *)NULL);
}
fprintf(stderr, "Couldn't execute \"%s\": %s\n", shell,
strerror(errno));
_exit(1);
}
while (waitpid(pid, &status, 0) == -1)
if (errno != EINTR)
fatal("Couldn't wait for child: %s", strerror(errno));
if (!WIFEXITED(status))
error("Shell exited abnormally");
else if (WEXITSTATUS(status))
error("Shell exited with status %d", WEXITSTATUS(status));
}
static void
local_do_ls(const char *args)
{
if (!args || !*args)
local_do_shell(_PATH_LS);
else {
int len = strlen(_PATH_LS " ") + strlen(args) + 1;
char *buf = xmalloc(len);
/* XXX: quoting - rip quoting code from ftp? */
snprintf(buf, len, _PATH_LS " %s", args);
local_do_shell(buf);
xfree(buf);
}
}
/* Strip one path (usually the pwd) from the start of another */
static char *
path_strip(char *path, char *strip)
{
size_t len;
if (strip == NULL)
return (xstrdup(path));
len = strlen(strip);
if (strncmp(path, strip, len) == 0) {
if (strip[len - 1] != '/' && path[len] == '/')
len++;
return (xstrdup(path + len));
}
return (xstrdup(path));
}
static char *
make_absolute(char *p, char *pwd)
{
char *abs_str;
/* Derelativise */
if (p && p[0] != '/') {
abs_str = path_append(pwd, p);
xfree(p);
return(abs_str);
} else
return(p);
}
static int
parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag,
int *rflag)
{
extern int opterr, optind, optopt, optreset;
int ch;
optind = optreset = 1;
opterr = 0;
*rflag = *pflag = 0;
while ((ch = getopt(argc, argv, "PpRr")) != -1) {
switch (ch) {
case 'p':
case 'P':
*pflag = 1;
break;
case 'r':
case 'R':
*rflag = 1;
break;
default:
error("%s: Invalid flag -%c", cmd, optopt);
return -1;
}
}
return optind;
}
static int
parse_link_flags(const char *cmd, char **argv, int argc, int *sflag)
{
extern int opterr, optind, optopt, optreset;
int ch;
optind = optreset = 1;
opterr = 0;
*sflag = 0;
while ((ch = getopt(argc, argv, "s")) != -1) {
switch (ch) {
case 's':
*sflag = 1;
break;
default:
error("%s: Invalid flag -%c", cmd, optopt);
return -1;
}
}
return optind;
}
static int
parse_ls_flags(char **argv, int argc, int *lflag)
{
extern int opterr, optind, optopt, optreset;
int ch;
optind = optreset = 1;
opterr = 0;
*lflag = LS_NAME_SORT;
while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
switch (ch) {
case '1':
*lflag &= ~VIEW_FLAGS;
*lflag |= LS_SHORT_VIEW;
break;
case 'S':
*lflag &= ~SORT_FLAGS;
*lflag |= LS_SIZE_SORT;
break;
case 'a':
*lflag |= LS_SHOW_ALL;
break;
case 'f':
*lflag &= ~SORT_FLAGS;
break;
case 'h':
*lflag |= LS_SI_UNITS;
break;
case 'l':
*lflag &= ~LS_SHORT_VIEW;
*lflag |= LS_LONG_VIEW;
break;
case 'n':
*lflag &= ~LS_SHORT_VIEW;
*lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
break;
case 'r':
*lflag |= LS_REVERSE_SORT;
break;
case 't':
*lflag &= ~SORT_FLAGS;
*lflag |= LS_TIME_SORT;
break;
default:
error("ls: Invalid flag -%c", optopt);
return -1;
}
}
return optind;
}
static int
parse_df_flags(const char *cmd, char **argv, int argc, int *hflag, int *iflag)
{
extern int opterr, optind, optopt, optreset;
int ch;
optind = optreset = 1;
opterr = 0;
*hflag = *iflag = 0;
while ((ch = getopt(argc, argv, "hi")) != -1) {
switch (ch) {
case 'h':
*hflag = 1;
break;
case 'i':
*iflag = 1;
break;
default:
error("%s: Invalid flag -%c", cmd, optopt);
return -1;
}
}
return optind;
}
static int
is_dir(char *path)
{
struct stat sb;
/* XXX: report errors? */
if (stat(path, &sb) == -1)
return(0);
return(S_ISDIR(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(S_ISDIR(a->perm));
}
/* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
static int
pathname_is_dir(char *pathname)
{
size_t l = strlen(pathname);
return l > 0 && pathname[l - 1] == '/';
}
static int
process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
int pflag, int rflag)
{
char *abs_src = NULL;
char *abs_dst = NULL;
glob_t g;
char *filename, *tmp=NULL;
int i, err = 0;
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, GLOB_MARK, NULL, &g)) {
error("File \"%s\" not found.", abs_src);
err = -1;
goto out;
}
/*
* If multiple matches then dst must be a directory or
* unspecified.
*/
if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
error("Multiple source paths, but destination "
"\"%s\" is not a directory", dst);
err = -1;
goto out;
}
for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
tmp = xstrdup(g.gl_pathv[i]);
if ((filename = basename(tmp)) == NULL) {
error("basename %s: %s", tmp, strerror(errno));
xfree(tmp);
err = -1;
goto out;
}
if (g.gl_matchc == 1 && dst) {
if (is_dir(dst)) {
abs_dst = path_append(dst, filename);
} else {
abs_dst = xstrdup(dst);
}
} else if (dst) {
abs_dst = path_append(dst, filename);
} else {
abs_dst = xstrdup(filename);
}
xfree(tmp);
printf("Fetching %s to %s\n", g.gl_pathv[i], abs_dst);
if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
pflag || global_pflag, 1) == -1)
err = -1;
} else {
if (do_download(conn, g.gl_pathv[i], abs_dst, NULL,
pflag || global_pflag) == -1)
err = -1;
}
xfree(abs_dst);
abs_dst = NULL;
}
out:
xfree(abs_src);
globfree(&g);
return(err);
}
static int
process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd,
int pflag, int rflag)
{
char *tmp_dst = NULL;
char *abs_dst = NULL;
char *tmp = NULL, *filename = NULL;
glob_t g;
int err = 0;
int i, dst_is_dir = 1;
struct stat sb;
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, GLOB_NOCHECK | GLOB_MARK, NULL, &g)) {
error("File \"%s\" not found.", src);
err = -1;
goto out;
}
/* If we aren't fetching to pwd then stash this status for later */
if (tmp_dst != NULL)
dst_is_dir = remote_is_dir(conn, tmp_dst);
/* If multiple matches, dst may be directory or unspecified */
if (g.gl_matchc > 1 && tmp_dst && !dst_is_dir) {
error("Multiple paths match, but destination "
"\"%s\" is not a directory", tmp_dst);
err = -1;
goto out;
}
for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
if (stat(g.gl_pathv[i], &sb) == -1) {
err = -1;
error("stat %s: %s", g.gl_pathv[i], strerror(errno));
continue;
}
tmp = xstrdup(g.gl_pathv[i]);
if ((filename = basename(tmp)) == NULL) {
error("basename %s: %s", tmp, strerror(errno));
xfree(tmp);
err = -1;
goto out;
}
if (g.gl_matchc == 1 && tmp_dst) {
/* If directory specified, append filename */
if (dst_is_dir)
abs_dst = path_append(tmp_dst, filename);
else
abs_dst = xstrdup(tmp_dst);
} else if (tmp_dst) {
abs_dst = path_append(tmp_dst, filename);
} else {
abs_dst = make_absolute(xstrdup(filename), pwd);
}
xfree(tmp);
printf("Uploading %s to %s\n", g.gl_pathv[i], abs_dst);
if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
if (upload_dir(conn, g.gl_pathv[i], abs_dst,
pflag || global_pflag, 1) == -1)
err = -1;
} else {
if (do_upload(conn, g.gl_pathv[i], abs_dst,
pflag || global_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|LS_SI_UNITS)) {
char *lname;
struct stat sb;
memset(&sb, 0, sizeof(sb));
attrib_to_stat(&d[n]->a, &sb);
lname = ls_file(fname, &sb, 1,
(lflag & LS_SI_UNITS));
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)
{
Attrib *a = NULL;
char *fname, *lname;
glob_t g;
int err;
struct winsize ws;
u_int i, c = 1, colspace = 0, columns = 1, m = 0, width = 80;
memset(&g, 0, sizeof(g));
if (remote_glob(conn, path,
GLOB_MARK|GLOB_NOCHECK|GLOB_BRACE|GLOB_KEEPSTAT, 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 && g.gl_statv[0] != NULL &&
S_ISDIR(g.gl_statv[0]->st_mode)) {
err = do_ls_dir(conn, g.gl_pathv[0], strip_path, lflag);
globfree(&g);
return err;
}
if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
width = ws.ws_col;
if (!(lflag & LS_SHORT_VIEW)) {
/* Count entries for sort and find longest filename */
for (i = 0; g.gl_pathv[i]; i++)
m = MAX(m, strlen(g.gl_pathv[i]));
columns = width / (m + 2);
columns = MAX(columns, 1);
colspace = width / columns;
}
for (i = 0; g.gl_pathv[i] && !interrupted; i++, a = NULL) {
fname = path_strip(g.gl_pathv[i], strip_path);
if (lflag & LS_LONG_VIEW) {
if (g.gl_statv[i] == NULL) {
error("no stat information for %s", fname);
continue;
}
lname = ls_file(fname, g.gl_statv[i], 1,
(lflag & LS_SI_UNITS));
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
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.
* The "sloppy" flag allows for recovery from missing terminating quote, for
* use in parsing incomplete commandlines during tab autocompletion.
*
* Returns NULL on error or a NULL-terminated array of arguments.
*
* If "lastquote" is not NULL, the quoting character used for the last
* argument is placed in *lastquote ("\0", "'" or "\"").
*
* If "terminated" is not NULL, *terminated will be set to 1 when the
* last argument's quote has been properly terminated or 0 otherwise.
* This parameter is only of use if "sloppy" is set.
*/
#define MAXARGS 128
#define MAXARGLEN 8192
static char **
makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
u_int *terminated)
{
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;
}
if (terminated != NULL)
*terminated = 1;
if (lastquote != NULL)
*lastquote = '\0';
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)