upstream: shuffle a few utility functions into sftp-client.c; from

Jakub Jelen

OpenBSD-Commit-ID: fdeb1aae1f6149b193f12cd2af158f948c514a2a

3 files changed, 69 insertions, 55 deletions

diff --git a/sftp-client.c b/sftp-client.c
index d82e31ae..4603b009 100644
--- a/sftp-client.c
+++ b/sftp-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sftp-client.c,v 1.138 2020/11/20 03:16:56 dtucker Exp $ */
+/* $OpenBSD: sftp-client.c,v 1.139 2020/12/04 02:41:10 djm Exp $ */
 /*
  * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
  *
@@ -1959,3 +1959,52 @@ path_append(const char *p1, const char *p2)
 	return(ret);
 }
 
+char *
+make_absolute(char *p, const char *pwd)
+{
+	char *abs_str;
+
+	/* Derelativise */
+	if (p && !path_absolute(p)) {
+		abs_str = path_append(pwd, p);
+		free(p);
+		return(abs_str);
+	} else
+		return(p);
+}
+
+int
+remote_is_dir(struct sftp_conn *conn, const 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));
+}
+
+
+int
+local_is_dir(const char *path)
+{
+	struct stat sb;
+
+	/* XXX: report errors? */
+	if (stat(path, &sb) == -1)
+		return(0);
+
+	return(S_ISDIR(sb.st_mode));
+}
+
+/* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
+int
+globpath_is_dir(const char *pathname)
+{
+	size_t l = strlen(pathname);
+
+	return l > 0 && pathname[l - 1] == '/';
+}
+
diff --git a/sftp-client.h b/sftp-client.h
index 63a9b8b1..32a24a3c 100644
--- a/sftp-client.h
+++ b/sftp-client.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: sftp-client.h,v 1.28 2019/01/16 23:23:45 djm Exp $ */
+/* $OpenBSD: sftp-client.h,v 1.29 2020/12/04 02:41:10 djm Exp $ */
 
 /*
  * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
@@ -142,4 +142,17 @@ int upload_dir(struct sftp_conn *, const char *, const char *, int, int, int,
 /* Concatenate paths, taking care of slashes. Caller must free result. */
 char *path_append(const char *, const char *);
 
+/* Make absolute path if relative path and CWD is given. Does not modify
+ * original if the the path is already absolute. */
+char *make_absolute(char *, const char *);
+
+/* Check if remote path is directory */
+int remote_is_dir(struct sftp_conn *conn, const char *path);
+
+/* Check if local path is directory */
+int local_is_dir(const char *path);
+
+/* Check whether path returned from glob(..., GLOB_MARK, ...) is a directory */
+int globpath_is_dir(const char *pathname);
+
 #endif
diff --git a/sftp.c b/sftp.c
index b641be2b..248d4521 100644
--- a/sftp.c
+++ b/sftp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sftp.c,v 1.204 2020/10/29 02:52:43 djm Exp $ */
+/* $OpenBSD: sftp.c,v 1.205 2020/12/04 02:41:10 djm Exp $ */
 /*
  * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
  *
@@ -385,20 +385,6 @@ path_strip(const char *path, const char *strip)
 	return (xstrdup(path));
 }
 
-static char *
-make_absolute(char *p, const char *pwd)
-{
-	char *abs_str;
-
-	/* Derelativise */
-	if (p && !path_absolute(p)) {
-		abs_str = path_append(pwd, p);
-		free(p);
-		return(abs_str);
-	} else
-		return(p);
-}
-
 static int
 parse_getput_flags(const char *cmd, char **argv, int argc,
     int *aflag, int *fflag, int *pflag, int *rflag)
@@ -608,40 +594,6 @@ parse_no_flags(const char *cmd, char **argv, int argc)
 }
 
 static int
-is_dir(const 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, const 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(const char *pathname)
-{
-	size_t l = strlen(pathname);
-
-	return l > 0 && pathname[l - 1] == '/';
-}
-
-static int
 process_get(struct sftp_conn *conn, const char *src, const char *dst,
     const char *pwd, int pflag, int rflag, int resume, int fflag)
 {
@@ -670,7 +622,7 @@ process_get(struct sftp_conn *conn, const char *src, const char *dst,
 	 * If multiple matches then dst must be a directory or
 	 * unspecified.
 	 */
-	if (g.gl_matchc > 1 && dst != NULL && !is_dir(dst)) {
+	if (g.gl_matchc > 1 && dst != NULL && !local_is_dir(dst)) {
 		error("Multiple source paths, but destination "
 		    "\"%s\" is not a directory", dst);
 		err = -1;
@@ -687,7 +639,7 @@ process_get(struct sftp_conn *conn, const char *src, const char *dst,
 		}
 
 		if (g.gl_matchc == 1 && dst) {
-			if (is_dir(dst)) {
+			if (local_is_dir(dst)) {
 				abs_dst = path_append(dst, filename);
 			} else {
 				abs_dst = xstrdup(dst);
@@ -706,7 +658,7 @@ process_get(struct sftp_conn *conn, const char *src, const char *dst,
 		else if (!quiet && !resume)
 			mprintf("Fetching %s to %s\n",
 			    g.gl_pathv[i], abs_dst);
-		if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
+		if (globpath_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
 			if (download_dir(conn, g.gl_pathv[i], abs_dst, NULL,
 			    pflag || global_pflag, 1, resume,
 			    fflag || global_fflag) == -1)
@@ -799,7 +751,7 @@ process_put(struct sftp_conn *conn, const char *src, const char *dst,
 		else if (!quiet && !resume)
 			mprintf("Uploading %s to %s\n",
 			    g.gl_pathv[i], abs_dst);
-		if (pathname_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
+		if (globpath_is_dir(g.gl_pathv[i]) && (rflag || global_rflag)) {
 			if (upload_dir(conn, g.gl_pathv[i], abs_dst,
 			    pflag || global_pflag, 1, resume,
 			    fflag || global_fflag) == -1)