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Diffstat (limited to 'crypto/openssh/sftp.c')
-rw-r--r--crypto/openssh/sftp.c858
1 files changed, 640 insertions, 218 deletions
diff --git a/crypto/openssh/sftp.c b/crypto/openssh/sftp.c
index 66bd111b122c..d65d4ec62ea7 100644
--- a/crypto/openssh/sftp.c
+++ b/crypto/openssh/sftp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sftp.c,v 1.107 2009/02/02 11:15:14 dtucker Exp $ */
+/* $OpenBSD: sftp.c,v 1.123 2010/01/27 19:21:39 djm Exp $ */
/*
* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
*
@@ -35,6 +35,9 @@
#ifdef HAVE_PATHS_H
# include <paths.h>
#endif
+#ifdef HAVE_LIBGEN_H
+#include <libgen.h>
+#endif
#ifdef USE_LIBEDIT
#include <histedit.h>
#else
@@ -65,30 +68,39 @@ typedef void EditLine;
#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;
-/* Size of buffer used when copying files */
-size_t copy_buffer_len = 32768;
-
-/* Number of concurrent outstanding requests */
-size_t num_requests = 64;
-
/* 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 */
@@ -98,16 +110,17 @@ extern char *__progname;
#define WHITESPACE " \t\r\n"
/* ls flags */
-#define LS_LONG_VIEW 0x01 /* Full view ala ls -l */
-#define LS_SHORT_VIEW 0x02 /* Single row view ala ls -1 */
-#define LS_NUMERIC_VIEW 0x04 /* Long view with numeric uid/gid */
-#define LS_NAME_SORT 0x08 /* Sort by name (default) */
-#define LS_TIME_SORT 0x10 /* Sort by mtime */
-#define LS_SIZE_SORT 0x20 /* Sort by file size */
-#define LS_REVERSE_SORT 0x40 /* Reverse sort order */
-#define LS_SHOW_ALL 0x80 /* Don't skip filenames starting with '.' */
-
-#define VIEW_FLAGS (LS_LONG_VIEW|LS_SHORT_VIEW|LS_NUMERIC_VIEW)
+#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 */
@@ -139,46 +152,50 @@ extern char *__progname;
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 },
- { "cd", I_CHDIR },
- { "chdir", I_CHDIR },
- { "chgrp", I_CHGRP },
- { "chmod", I_CHMOD },
- { "chown", I_CHOWN },
- { "df", I_DF },
- { "dir", I_LS },
- { "exit", I_QUIT },
- { "get", I_GET },
- { "mget", I_GET },
- { "help", I_HELP },
- { "lcd", I_LCHDIR },
- { "lchdir", I_LCHDIR },
- { "lls", I_LLS },
- { "lmkdir", I_LMKDIR },
- { "ln", I_SYMLINK },
- { "lpwd", I_LPWD },
- { "ls", I_LS },
- { "lumask", I_LUMASK },
- { "mkdir", I_MKDIR },
- { "progress", I_PROGRESS },
- { "put", I_PUT },
- { "mput", I_PUT },
- { "pwd", I_PWD },
- { "quit", I_QUIT },
- { "rename", I_RENAME },
- { "rm", I_RM },
- { "rmdir", I_RMDIR },
- { "symlink", I_SYMLINK },
- { "version", I_VERSION },
- { "!", I_SHELL },
- { "?", I_HELP },
- { NULL, -1}
+ { "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_SYMLINK, REMOTE },
+ { "lpwd", I_LPWD, LOCAL },
+ { "ls", I_LS, REMOTE },
+ { "lumask", I_LUMASK, NOARGS },
+ { "mkdir", I_MKDIR, REMOTE },
+ { "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(int fd_in, int fd_out, char *file1, char *file2);
+int interactive_loop(struct sftp_conn *, char *file1, char *file2);
/* ARGSUSED */
static void
@@ -216,18 +233,18 @@ help(void)
"df [-hi] [path] Display statistics for current directory or\n"
" filesystem containing 'path'\n"
"exit Quit sftp\n"
- "get [-P] remote-path [local-path] Download file\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 oldpath newpath Symlink remote file\n"
"lpwd Print local working directory\n"
- "ls [-1aflnrSt] [path] Display remote directory listing\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 [-P] local-path [remote-path] Upload file\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"
@@ -314,21 +331,6 @@ path_strip(char *path, char *strip)
}
static char *
-path_append(char *p1, char *p2)
-{
- char *ret;
- size_t len = strlen(p1) + strlen(p2) + 2;
-
- ret = xmalloc(len);
- strlcpy(ret, p1, len);
- if (p1[0] != '\0' && p1[strlen(p1) - 1] != '/')
- strlcat(ret, "/", len);
- strlcat(ret, p2, len);
-
- return(ret);
-}
-
-static char *
make_absolute(char *p, char *pwd)
{
char *abs_str;
@@ -343,27 +345,8 @@ make_absolute(char *p, char *pwd)
}
static int
-infer_path(const char *p, char **ifp)
-{
- char *cp;
-
- cp = strrchr(p, '/');
- if (cp == NULL) {
- *ifp = xstrdup(p);
- return(0);
- }
-
- if (!cp[1]) {
- error("Invalid path");
- return(-1);
- }
-
- *ifp = xstrdup(cp + 1);
- return(0);
-}
-
-static int
-parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag)
+parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag,
+ int *rflag)
{
extern int opterr, optind, optopt, optreset;
int ch;
@@ -371,13 +354,17 @@ parse_getput_flags(const char *cmd, char **argv, int argc, int *pflag)
optind = optreset = 1;
opterr = 0;
- *pflag = 0;
- while ((ch = getopt(argc, argv, "Pp")) != -1) {
+ *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;
@@ -397,7 +384,7 @@ parse_ls_flags(char **argv, int argc, int *lflag)
opterr = 0;
*lflag = LS_NAME_SORT;
- while ((ch = getopt(argc, argv, "1Saflnrt")) != -1) {
+ while ((ch = getopt(argc, argv, "1Safhlnrt")) != -1) {
switch (ch) {
case '1':
*lflag &= ~VIEW_FLAGS;
@@ -413,12 +400,15 @@ parse_ls_flags(char **argv, int argc, int *lflag)
case 'f':
*lflag &= ~SORT_FLAGS;
break;
+ case 'h':
+ *lflag |= LS_SI_UNITS;
+ break;
case 'l':
- *lflag &= ~VIEW_FLAGS;
+ *lflag &= ~LS_SHORT_VIEW;
*lflag |= LS_LONG_VIEW;
break;
case 'n':
- *lflag &= ~VIEW_FLAGS;
+ *lflag &= ~LS_SHORT_VIEW;
*lflag |= LS_NUMERIC_VIEW|LS_LONG_VIEW;
break;
case 'r':
@@ -489,62 +479,79 @@ remote_is_dir(struct sftp_conn *conn, char *path)
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)
+process_get(struct sftp_conn *conn, char *src, char *dst, char *pwd,
+ int pflag, int rflag)
{
char *abs_src = NULL;
char *abs_dst = NULL;
- char *tmp;
glob_t g;
- int err = 0;
- int i;
+ 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, 0, NULL, &g)) {
+ if (remote_glob(conn, abs_src, GLOB_MARK, 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);
+ /*
+ * 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++) {
- if (infer_path(g.gl_pathv[i], &tmp)) {
+ 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 directory specified, append filename */
- xfree(tmp);
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 = path_append(dst, filename);
+ } else {
abs_dst = xstrdup(dst);
+ }
} else if (dst) {
- abs_dst = path_append(dst, tmp);
- xfree(tmp);
- } else
- abs_dst = tmp;
+ 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 (do_download(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
- err = -1;
+ 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;
}
@@ -556,14 +563,15 @@ out:
}
static int
-process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
+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;
+ char *tmp = NULL, *filename = NULL;
glob_t g;
int err = 0;
- int i;
+ int i, dst_is_dir = 1;
struct stat sb;
if (dst) {
@@ -573,16 +581,20 @@ process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
memset(&g, 0, sizeof(g));
debug3("Looking up %s", src);
- if (glob(src, GLOB_NOCHECK, NULL, &g)) {
+ 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 && !remote_is_dir(conn, tmp_dst)) {
- error("Multiple files match, but \"%s\" is not a directory",
- tmp_dst);
+ 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;
}
@@ -593,38 +605,38 @@ process_put(struct sftp_conn *conn, char *src, char *dst, char *pwd, int pflag)
error("stat %s: %s", g.gl_pathv[i], strerror(errno));
continue;
}
-
- if (!S_ISREG(sb.st_mode)) {
- error("skipping non-regular file %s",
- g.gl_pathv[i]);
- continue;
- }
- if (infer_path(g.gl_pathv[i], &tmp)) {
+
+ 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 (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
+ 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, tmp);
- xfree(tmp);
- } else
- abs_dst = make_absolute(tmp, pwd);
+ 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 (do_upload(conn, g.gl_pathv[i], abs_dst, pflag) == -1)
- err = -1;
+ 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:
@@ -708,13 +720,14 @@ do_ls_dir(struct sftp_conn *conn, char *path, char *strip_path, int lflag)
xfree(tmp);
if (lflag & LS_LONG_VIEW) {
- if (lflag & LS_NUMERIC_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);
+ lname = ls_file(fname, &sb, 1,
+ (lflag & LS_SI_UNITS));
printf("%s\n", lname);
xfree(lname);
} else
@@ -816,7 +829,7 @@ do_globbed_ls(struct sftp_conn *conn, char *path, char *strip_path,
a = do_lstat(conn, g.gl_pathv[i], 1);
if (a != NULL)
attrib_to_stat(a, &sb);
- lname = ls_file(fname, &sb, 1);
+ lname = ls_file(fname, &sb, 1, (lflag & LS_SI_UNITS));
printf("%s\n", lname);
xfree(lname);
} else {
@@ -848,19 +861,19 @@ do_df(struct sftp_conn *conn, char *path, int hflag, int iflag)
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,
- (unsigned long long)(100 * (st.f_files - st.f_ffree) /
- st.f_files));
+ (unsigned long long)st.f_ffree, ffree);
} else if (hflag) {
strlcpy(s_used, "error", sizeof(s_used));
strlcpy(s_avail, "error", sizeof(s_avail));
@@ -934,12 +947,23 @@ undo_glob_escape(char *s)
* 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)
+makeargv(const char *arg, int *argcp, int sloppy, char *lastquote,
+ u_int *terminated)
{
int argc, quot;
size_t i, j;
@@ -953,6 +977,10 @@ makeargv(const char *arg, int *argcp)
error("string too long");
return NULL;
}
+ if (terminated != NULL)
+ *terminated = 1;
+ if (lastquote != NULL)
+ *lastquote = '\0';
state = MA_START;
i = j = 0;
for (;;) {
@@ -969,6 +997,8 @@ makeargv(const char *arg, int *argcp)
if (state == MA_START) {
argv[argc] = argvs + j;
state = q;
+ if (lastquote != NULL)
+ *lastquote = arg[i];
} else if (state == MA_UNQUOTED)
state = q;
else if (state == q)
@@ -1005,6 +1035,8 @@ makeargv(const char *arg, int *argcp)
if (state == MA_START) {
argv[argc] = argvs + j;
state = MA_UNQUOTED;
+ if (lastquote != NULL)
+ *lastquote = '\0';
}
if (arg[i + 1] == '?' || arg[i + 1] == '[' ||
arg[i + 1] == '*' || arg[i + 1] == '\\') {
@@ -1030,6 +1062,12 @@ makeargv(const char *arg, int *argcp)
goto string_done;
} else if (arg[i] == '\0') {
if (state == MA_SQUOTE || state == MA_DQUOTE) {
+ if (sloppy) {
+ state = MA_UNQUOTED;
+ if (terminated != NULL)
+ *terminated = 0;
+ goto string_done;
+ }
error("Unterminated quoted argument");
return NULL;
}
@@ -1043,6 +1081,8 @@ makeargv(const char *arg, int *argcp)
if (state == MA_START) {
argv[argc] = argvs + j;
state = MA_UNQUOTED;
+ if (lastquote != NULL)
+ *lastquote = '\0';
}
if ((state == MA_SQUOTE || state == MA_DQUOTE) &&
(arg[i] == '?' || arg[i] == '[' || arg[i] == '*')) {
@@ -1065,8 +1105,8 @@ makeargv(const char *arg, int *argcp)
}
static int
-parse_args(const char **cpp, int *pflag, int *lflag, int *iflag, int *hflag,
- unsigned long *n_arg, char **path1, char **path2)
+parse_args(const char **cpp, int *pflag, int *rflag, int *lflag, int *iflag,
+ int *hflag, unsigned long *n_arg, char **path1, char **path2)
{
const char *cmd, *cp = *cpp;
char *cp2, **argv;
@@ -1077,18 +1117,19 @@ parse_args(const char **cpp, int *pflag, int *lflag, int *iflag, int *hflag,
/* 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++;
+ cp = cp + strspn(cp, WHITESPACE);
}
- if ((argv = makeargv(cp, &argc)) == NULL)
+ /* Ignore blank lines and lines which begin with comment '#' char */
+ if (*cp == '\0' || *cp == '#')
+ return (0);
+
+ if ((argv = makeargv(cp, &argc, 0, NULL, NULL)) == NULL)
return -1;
/* Figure out which command we have */
@@ -1109,13 +1150,13 @@ parse_args(const char **cpp, int *pflag, int *lflag, int *iflag, int *hflag,
}
/* Get arguments and parse flags */
- *lflag = *pflag = *hflag = *n_arg = 0;
+ *lflag = *pflag = *rflag = *hflag = *n_arg = 0;
*path1 = *path2 = NULL;
optidx = 1;
switch (cmdnum) {
case I_GET:
case I_PUT:
- if ((optidx = parse_getput_flags(cmd, argv, argc, pflag)) == -1)
+ if ((optidx = parse_getput_flags(cmd, argv, argc, pflag, rflag)) == -1)
return -1;
/* Get first pathname (mandatory) */
if (argc - optidx < 1) {
@@ -1235,7 +1276,7 @@ parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
int err_abort)
{
char *path1, *path2, *tmp;
- int pflag = 0, lflag = 0, iflag = 0, hflag = 0, cmdnum, i;
+ int pflag = 0, rflag = 0, lflag = 0, iflag = 0, hflag = 0, cmdnum, i;
unsigned long n_arg = 0;
Attrib a, *aa;
char path_buf[MAXPATHLEN];
@@ -1243,7 +1284,7 @@ parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
glob_t g;
path1 = path2 = NULL;
- cmdnum = parse_args(&cmd, &pflag, &lflag, &iflag, &hflag, &n_arg,
+ cmdnum = parse_args(&cmd, &pflag, &rflag, &lflag, &iflag, &hflag, &n_arg,
&path1, &path2);
if (iflag != 0)
@@ -1261,10 +1302,10 @@ parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
err = -1;
break;
case I_GET:
- err = process_get(conn, path1, path2, *pwd, pflag);
+ err = process_get(conn, path1, path2, *pwd, pflag, rflag);
break;
case I_PUT:
- err = process_put(conn, path1, path2, *pwd, pflag);
+ err = process_put(conn, path1, path2, *pwd, pflag, rflag);
break;
case I_RENAME:
path1 = make_absolute(path1, *pwd);
@@ -1290,7 +1331,7 @@ parse_dispatch_command(struct sftp_conn *conn, const char *cmd, char **pwd,
attrib_clear(&a);
a.flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
a.perm = 0777;
- err = do_mkdir(conn, path1, &a);
+ err = do_mkdir(conn, path1, &a, 1);
break;
case I_RMDIR:
path1 = make_absolute(path1, *pwd);
@@ -1468,21 +1509,352 @@ prompt(EditLine *el)
{
return ("sftp> ");
}
-#endif
+
+/* Display entries in 'list' after skipping the first 'len' chars */
+static void
+complete_display(char **list, u_int len)
+{
+ u_int y, m = 0, width = 80, columns = 1, colspace = 0, llen;
+ struct winsize ws;
+ char *tmp;
+
+ /* Count entries for sort and find longest */
+ for (y = 0; list[y]; y++)
+ m = MAX(m, strlen(list[y]));
+
+ if (ioctl(fileno(stdin), TIOCGWINSZ, &ws) != -1)
+ width = ws.ws_col;
+
+ m = m > len ? m - len : 0;
+ columns = width / (m + 2);
+ columns = MAX(columns, 1);
+ colspace = width / columns;
+ colspace = MIN(colspace, width);
+
+ printf("\n");
+ m = 1;
+ for (y = 0; list[y]; y++) {
+ llen = strlen(list[y]);
+ tmp = llen > len ? list[y] + len : "";
+ printf("%-*s", colspace, tmp);
+ if (m >= columns) {
+ printf("\n");
+ m = 1;
+ } else
+ m++;
+ }
+ printf("\n");
+}
+
+/*
+ * Given a "list" of words that begin with a common prefix of "word",
+ * attempt to find an autocompletion to extends "word" by the next
+ * characters common to all entries in "list".
+ */
+static char *
+complete_ambiguous(const char *word, char **list, size_t count)
+{
+ if (word == NULL)
+ return NULL;
+
+ if (count > 0) {
+ u_int y, matchlen = strlen(list[0]);
+
+ /* Find length of common stem */
+ for (y = 1; list[y]; y++) {
+ u_int x;
+
+ for (x = 0; x < matchlen; x++)
+ if (list[0][x] != list[y][x])
+ break;
+
+ matchlen = x;
+ }
+
+ if (matchlen > strlen(word)) {
+ char *tmp = xstrdup(list[0]);
+
+ tmp[matchlen] = '\0';
+ return tmp;
+ }
+ }
+
+ return xstrdup(word);
+}
+
+/* Autocomplete a sftp command */
+static int
+complete_cmd_parse(EditLine *el, char *cmd, int lastarg, char quote,
+ int terminated)
+{
+ u_int y, count = 0, cmdlen, tmplen;
+ char *tmp, **list, argterm[3];
+ const LineInfo *lf;
+
+ list = xcalloc((sizeof(cmds) / sizeof(*cmds)) + 1, sizeof(char *));
+
+ /* No command specified: display all available commands */
+ if (cmd == NULL) {
+ for (y = 0; cmds[y].c; y++)
+ list[count++] = xstrdup(cmds[y].c);
+
+ list[count] = NULL;
+ complete_display(list, 0);
+
+ for (y = 0; list[y] != NULL; y++)
+ xfree(list[y]);
+ xfree(list);
+ return count;
+ }
+
+ /* Prepare subset of commands that start with "cmd" */
+ cmdlen = strlen(cmd);
+ for (y = 0; cmds[y].c; y++) {
+ if (!strncasecmp(cmd, cmds[y].c, cmdlen))
+ list[count++] = xstrdup(cmds[y].c);
+ }
+ list[count] = NULL;
+
+ if (count == 0)
+ return 0;
+
+ /* Complete ambigious command */
+ tmp = complete_ambiguous(cmd, list, count);
+ if (count > 1)
+ complete_display(list, 0);
+
+ for (y = 0; list[y]; y++)
+ xfree(list[y]);
+ xfree(list);
+
+ if (tmp != NULL) {
+ tmplen = strlen(tmp);
+ cmdlen = strlen(cmd);
+ /* If cmd may be extended then do so */
+ if (tmplen > cmdlen)
+ if (el_insertstr(el, tmp + cmdlen) == -1)
+ fatal("el_insertstr failed.");
+ lf = el_line(el);
+ /* Terminate argument cleanly */
+ if (count == 1) {
+ y = 0;
+ if (!terminated)
+ argterm[y++] = quote;
+ if (lastarg || *(lf->cursor) != ' ')
+ argterm[y++] = ' ';
+ argterm[y] = '\0';
+ if (y > 0 && el_insertstr(el, argterm) == -1)
+ fatal("el_insertstr failed.");
+ }
+ xfree(tmp);
+ }
+
+ return count;
+}
+
+/*
+ * Determine whether a particular sftp command's arguments (if any)
+ * represent local or remote files.
+ */
+static int
+complete_is_remote(char *cmd) {
+ int i;
+
+ if (cmd == NULL)
+ return -1;
+
+ for (i = 0; cmds[i].c; i++) {
+ if (!strncasecmp(cmd, cmds[i].c, strlen(cmds[i].c)))
+ return cmds[i].t;
+ }
+
+ return -1;
+}
+
+/* Autocomplete a filename "file" */
+static int
+complete_match(EditLine *el, struct sftp_conn *conn, char *remote_path,
+ char *file, int remote, int lastarg, char quote, int terminated)
+{
+ glob_t g;
+ char *tmp, *tmp2, ins[3];
+ u_int i, hadglob, pwdlen, len, tmplen, filelen;
+ const LineInfo *lf;
+
+ /* Glob from "file" location */
+ if (file == NULL)
+ tmp = xstrdup("*");
+ else
+ xasprintf(&tmp, "%s*", file);
+
+ memset(&g, 0, sizeof(g));
+ if (remote != LOCAL) {
+ tmp = make_absolute(tmp, remote_path);
+ remote_glob(conn, tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
+ } else
+ glob(tmp, GLOB_DOOFFS|GLOB_MARK, NULL, &g);
+
+ /* Determine length of pwd so we can trim completion display */
+ for (hadglob = tmplen = pwdlen = 0; tmp[tmplen] != 0; tmplen++) {
+ /* Terminate counting on first unescaped glob metacharacter */
+ if (tmp[tmplen] == '*' || tmp[tmplen] == '?') {
+ if (tmp[tmplen] != '*' || tmp[tmplen + 1] != '\0')
+ hadglob = 1;
+ break;
+ }
+ if (tmp[tmplen] == '\\' && tmp[tmplen + 1] != '\0')
+ tmplen++;
+ if (tmp[tmplen] == '/')
+ pwdlen = tmplen + 1; /* track last seen '/' */
+ }
+ xfree(tmp);
+
+ if (g.gl_matchc == 0)
+ goto out;
+
+ if (g.gl_matchc > 1)
+ complete_display(g.gl_pathv, pwdlen);
+
+ tmp = NULL;
+ /* Don't try to extend globs */
+ if (file == NULL || hadglob)
+ goto out;
+
+ tmp2 = complete_ambiguous(file, g.gl_pathv, g.gl_matchc);
+ tmp = path_strip(tmp2, remote_path);
+ xfree(tmp2);
+
+ if (tmp == NULL)
+ goto out;
+
+ tmplen = strlen(tmp);
+ filelen = strlen(file);
+
+ if (tmplen > filelen) {
+ tmp2 = tmp + filelen;
+ len = strlen(tmp2);
+ /* quote argument on way out */
+ for (i = 0; i < len; i++) {
+ ins[0] = '\\';
+ ins[1] = tmp2[i];
+ ins[2] = '\0';
+ switch (tmp2[i]) {
+ case '\'':
+ case '"':
+ case '\\':
+ case '\t':
+ case ' ':
+ if (quote == '\0' || tmp2[i] == quote) {
+ if (el_insertstr(el, ins) == -1)
+ fatal("el_insertstr "
+ "failed.");
+ break;
+ }
+ /* FALLTHROUGH */
+ default:
+ if (el_insertstr(el, ins + 1) == -1)
+ fatal("el_insertstr failed.");
+ break;
+ }
+ }
+ }
+
+ lf = el_line(el);
+ if (g.gl_matchc == 1) {
+ i = 0;
+ if (!terminated)
+ ins[i++] = quote;
+ if (*(lf->cursor - 1) != '/' &&
+ (lastarg || *(lf->cursor) != ' '))
+ ins[i++] = ' ';
+ ins[i] = '\0';
+ if (i > 0 && el_insertstr(el, ins) == -1)
+ fatal("el_insertstr failed.");
+ }
+ xfree(tmp);
+
+ out:
+ globfree(&g);
+ return g.gl_matchc;
+}
+
+/* tab-completion hook function, called via libedit */
+static unsigned char
+complete(EditLine *el, int ch)
+{
+ char **argv, *line, quote;
+ u_int argc, carg, cursor, len, terminated, ret = CC_ERROR;
+ const LineInfo *lf;
+ struct complete_ctx *complete_ctx;
+
+ lf = el_line(el);
+ if (el_get(el, EL_CLIENTDATA, (void**)&complete_ctx) != 0)
+ fatal("%s: el_get failed", __func__);
+
+ /* Figure out which argument the cursor points to */
+ cursor = lf->cursor - lf->buffer;
+ line = (char *)xmalloc(cursor + 1);
+ memcpy(line, lf->buffer, cursor);
+ line[cursor] = '\0';
+ argv = makeargv(line, &carg, 1, &quote, &terminated);
+ xfree(line);
+
+ /* Get all the arguments on the line */
+ len = lf->lastchar - lf->buffer;
+ line = (char *)xmalloc(len + 1);
+ memcpy(line, lf->buffer, len);
+ line[len] = '\0';
+ argv = makeargv(line, &argc, 1, NULL, NULL);
+
+ /* Ensure cursor is at EOL or a argument boundary */
+ if (line[cursor] != ' ' && line[cursor] != '\0' &&
+ line[cursor] != '\n') {
+ xfree(line);
+ return ret;
+ }
+
+ if (carg == 0) {
+ /* Show all available commands */
+ complete_cmd_parse(el, NULL, argc == carg, '\0', 1);
+ ret = CC_REDISPLAY;
+ } else if (carg == 1 && cursor > 0 && line[cursor - 1] != ' ') {
+ /* Handle the command parsing */
+ if (complete_cmd_parse(el, argv[0], argc == carg,
+ quote, terminated) != 0)
+ ret = CC_REDISPLAY;
+ } else if (carg >= 1) {
+ /* Handle file parsing */
+ int remote = complete_is_remote(argv[0]);
+ char *filematch = NULL;
+
+ if (carg > 1 && line[cursor-1] != ' ')
+ filematch = argv[carg - 1];
+
+ if (remote != 0 &&
+ complete_match(el, complete_ctx->conn,
+ *complete_ctx->remote_pathp, filematch,
+ remote, carg == argc, quote, terminated) != 0)
+ ret = CC_REDISPLAY;
+ }
+
+ xfree(line);
+ return ret;
+}
+#endif /* USE_LIBEDIT */
int
-interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
+interactive_loop(struct sftp_conn *conn, char *file1, char *file2)
{
- char *pwd;
+ char *remote_path;
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;
+ struct complete_ctx complete_ctx;
if (!batchmode && isatty(STDIN_FILENO)) {
if ((el = el_init(__progname, stdin, stdout, stderr)) == NULL)
@@ -1497,27 +1869,32 @@ interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
el_set(el, EL_TERMINAL, NULL);
el_set(el, EL_SIGNAL, 1);
el_source(el, NULL);
+
+ /* Tab Completion */
+ el_set(el, EL_ADDFN, "ftp-complete",
+ "Context senstive argument completion", complete);
+ complete_ctx.conn = conn;
+ complete_ctx.remote_pathp = &remote_path;
+ el_set(el, EL_CLIENTDATA, (void*)&complete_ctx);
+ el_set(el, EL_BIND, "^I", "ftp-complete", 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)
+ remote_path = do_realpath(conn, ".");
+ if (remote_path == NULL)
fatal("Need cwd");
if (file1 != NULL) {
dir = xstrdup(file1);
- dir = make_absolute(dir, pwd);
+ dir = make_absolute(dir, remote_path);
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) {
+ if (parse_dispatch_command(conn, cmd,
+ &remote_path, 1) != 0) {
xfree(dir);
- xfree(pwd);
+ xfree(remote_path);
xfree(conn);
return (-1);
}
@@ -1528,9 +1905,10 @@ interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
snprintf(cmd, sizeof cmd, "get %s %s", dir,
file2);
- err = parse_dispatch_command(conn, cmd, &pwd, 1);
+ err = parse_dispatch_command(conn, cmd,
+ &remote_path, 1);
xfree(dir);
- xfree(pwd);
+ xfree(remote_path);
xfree(conn);
return (err);
}
@@ -1571,7 +1949,8 @@ interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
const char *line;
int count = 0;
- if ((line = el_gets(el, &count)) == NULL || count <= 0) {
+ if ((line = el_gets(el, &count)) == NULL ||
+ count <= 0) {
printf("\n");
break;
}
@@ -1591,11 +1970,12 @@ interactive_loop(int fd_in, int fd_out, char *file1, char *file2)
interrupted = 0;
signal(SIGINT, cmd_interrupt);
- err = parse_dispatch_command(conn, cmd, &pwd, batchmode);
+ err = parse_dispatch_command(conn, cmd, &remote_path,
+ batchmode);
if (err != 0)
break;
}
- xfree(pwd);
+ xfree(remote_path);
xfree(conn);
#ifdef USE_LIBEDIT
@@ -1647,9 +2027,11 @@ connect_to_server(char *path, char **args, int *in, int *out)
* The underlying ssh is in the same process group, so we must
* ignore SIGINT if we want to gracefully abort commands,
* otherwise the signal will make it to the ssh process and
- * kill it too
+ * kill it too. Contrawise, since sftp sends SIGTERMs to the
+ * underlying ssh, it must *not* ignore that signal.
*/
signal(SIGINT, SIG_IGN);
+ signal(SIGTERM, SIG_DFL);
execvp(path, args);
fprintf(stderr, "exec: %s: %s\n", path, strerror(errno));
_exit(1);
@@ -1668,12 +2050,16 @@ usage(void)
extern char *__progname;
fprintf(stderr,
- "usage: %s [-1Cv] [-B buffer_size] [-b batchfile] [-F ssh_config]\n"
- " [-o ssh_option] [-P sftp_server_path] [-R num_requests]\n"
- " [-S program] [-s subsystem | sftp_server] host\n"
+ "usage: %s [-1246Cpqrv] [-B buffer_size] [-b batchfile] [-c cipher]\n"
+ " [-D sftp_server_path] [-F ssh_config] "
+ "[-i identity_file]\n"
+ " [-o ssh_option] [-P port] [-R num_requests] "
+ "[-S program]\n"
+ " [-s subsystem | sftp_server] host\n"
" %s [user@]host[:file ...]\n"
" %s [user@]host[:dir[/]]\n"
- " %s -b batchfile [user@]host\n", __progname, __progname, __progname, __progname);
+ " %s -b batchfile [user@]host\n",
+ __progname, __progname, __progname, __progname);
exit(1);
}
@@ -1681,7 +2067,7 @@ int
main(int argc, char **argv)
{
int in, out, ch, err;
- char *host, *userhost, *cp, *file2 = NULL;
+ char *host = NULL, *userhost, *cp, *file2 = NULL;
int debug_level = 0, sshver = 2;
char *file1 = NULL, *sftp_server = NULL;
char *ssh_program = _PATH_SSH_PROGRAM, *sftp_direct = NULL;
@@ -1689,6 +2075,9 @@ main(int argc, char **argv)
arglist args;
extern int optind;
extern char *optarg;
+ struct sftp_conn *conn;
+ size_t copy_buffer_len = DEFAULT_COPY_BUFLEN;
+ size_t num_requests = DEFAULT_NUM_REQUESTS;
/* Ensure that fds 0, 1 and 2 are open or directed to /dev/null */
sanitise_stdfd();
@@ -1705,10 +2094,29 @@ main(int argc, char **argv)
ll = SYSLOG_LEVEL_INFO;
infile = stdin;
- while ((ch = getopt(argc, argv, "1hvCo:s:S:b:B:F:P:R:")) != -1) {
+ while ((ch = getopt(argc, argv,
+ "1246hpqrvCc:D:i:o:s:S:b:B:F:P:R:")) != -1) {
switch (ch) {
+ /* Passed through to ssh(1) */
+ case '4':
+ case '6':
case 'C':
- addargs(&args, "-C");
+ addargs(&args, "-%c", ch);
+ break;
+ /* Passed through to ssh(1) with argument */
+ case 'F':
+ case 'c':
+ case 'i':
+ case 'o':
+ addargs(&args, "-%c", ch);
+ addargs(&args, "%s", optarg);
+ break;
+ case 'q':
+ showprogress = 0;
+ addargs(&args, "-%c", ch);
+ break;
+ case 'P':
+ addargs(&args, "-oPort %s", optarg);
break;
case 'v':
if (debug_level < 3) {
@@ -1717,21 +2125,18 @@ main(int argc, char **argv)
}
debug_level++;
break;
- case 'F':
- case 'o':
- addargs(&args, "-%c%s", ch, optarg);
- break;
case '1':
sshver = 1;
if (sftp_server == NULL)
sftp_server = _PATH_SFTP_SERVER;
break;
- case 's':
- sftp_server = optarg;
+ case '2':
+ sshver = 2;
break;
- case 'S':
- ssh_program = optarg;
- replacearg(&args, 0, "%s", ssh_program);
+ case 'B':
+ copy_buffer_len = strtol(optarg, &cp, 10);
+ if (copy_buffer_len == 0 || *cp != '\0')
+ fatal("Invalid buffer size \"%s\"", optarg);
break;
case 'b':
if (batchmode)
@@ -1745,13 +2150,14 @@ main(int argc, char **argv)
batchmode = 1;
addargs(&args, "-obatchmode yes");
break;
- case 'P':
+ case 'p':
+ global_pflag = 1;
+ break;
+ case 'D':
sftp_direct = optarg;
break;
- case 'B':
- copy_buffer_len = strtol(optarg, &cp, 10);
- if (copy_buffer_len == 0 || *cp != '\0')
- fatal("Invalid buffer size \"%s\"", optarg);
+ case 'r':
+ global_rflag = 1;
break;
case 'R':
num_requests = strtol(optarg, &cp, 10);
@@ -1759,6 +2165,13 @@ main(int argc, char **argv)
fatal("Invalid number of requests \"%s\"",
optarg);
break;
+ case 's':
+ sftp_server = optarg;
+ break;
+ case 'S':
+ ssh_program = optarg;
+ replacearg(&args, 0, "%s", ssh_program);
+ break;
case 'h':
default:
usage();
@@ -1785,7 +2198,8 @@ main(int argc, char **argv)
fprintf(stderr, "Missing username\n");
usage();
}
- addargs(&args, "-l%s", userhost);
+ addargs(&args, "-l");
+ addargs(&args, "%s", userhost);
}
if ((cp = colon(host)) != NULL) {
@@ -1805,24 +2219,32 @@ main(int argc, char **argv)
if (sftp_server == NULL || strchr(sftp_server, '/') == NULL)
addargs(&args, "-s");
+ addargs(&args, "--");
addargs(&args, "%s", host);
addargs(&args, "%s", (sftp_server != NULL ?
sftp_server : "sftp"));
- if (!batchmode)
- fprintf(stderr, "Connecting to %s...\n", host);
connect_to_server(ssh_program, args.list, &in, &out);
} else {
args.list = NULL;
addargs(&args, "sftp-server");
- if (!batchmode)
- fprintf(stderr, "Attaching to %s...\n", sftp_direct);
connect_to_server(sftp_direct, args.list, &in, &out);
}
freeargs(&args);
- err = interactive_loop(in, out, file1, file2);
+ conn = do_init(in, out, copy_buffer_len, num_requests);
+ if (conn == NULL)
+ fatal("Couldn't initialise connection to server");
+
+ if (!batchmode) {
+ if (sftp_direct == NULL)
+ fprintf(stderr, "Connected to %s.\n", host);
+ else
+ fprintf(stderr, "Attached to %s.\n", sftp_direct);
+ }
+
+ err = interactive_loop(conn, file1, file2);
#if !defined(USE_PIPES)
shutdown(in, SHUT_RDWR);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-14 00:59:18 +0000