Switch to SFTP protocol in scp utility by default - upstream fixes
Related: rhbz#2001002
This commit is contained in:
Dmitry Belyavskiy
parent
829ee6e4ad
commit
0b7faaf14a
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@ -0,0 +1,167 @@
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diff -up openssh-8.7p1/scp.c.sftpdirs openssh-8.7p1/scp.c
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--- openssh-8.7p1/scp.c.sftpdirs 2022-02-02 14:11:12.553447509 +0100
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+++ openssh-8.7p1/scp.c 2022-02-02 14:12:56.081316414 +0100
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@@ -130,6 +130,7 @@
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#include "misc.h"
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#include "progressmeter.h"
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#include "utf8.h"
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+#include "sftp.h"
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#include "sftp-common.h"
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#include "sftp-client.h"
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@@ -660,7 +661,7 @@ main(int argc, char **argv)
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* Finally check the exit status of the ssh process, if one was forked
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* and no error has occurred yet
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*/
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- if (do_cmd_pid != -1 && errs == 0) {
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+ if (do_cmd_pid != -1 && (mode == MODE_SFTP || errs == 0)) {
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if (remin != -1)
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(void) close(remin);
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if (remout != -1)
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@@ -1264,13 +1265,18 @@ tolocal(int argc, char **argv, enum scp_
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static char *
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prepare_remote_path(struct sftp_conn *conn, const char *path)
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{
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+ size_t nslash;
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+
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/* Handle ~ prefixed paths */
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- if (*path != '~')
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- return xstrdup(path);
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if (*path == '\0' || strcmp(path, "~") == 0)
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return xstrdup(".");
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- if (strncmp(path, "~/", 2) == 0)
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- return xstrdup(path + 2);
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+ if (*path != '~')
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+ return xstrdup(path);
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+ if (strncmp(path, "~/", 2) == 0) {
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+ if ((nslash = strspn(path + 2, "/")) == strlen(path + 2))
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+ return xstrdup(".");
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+ return xstrdup(path + 2 + nslash);
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+ }
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if (can_expand_path(conn))
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return do_expand_path(conn, path);
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/* No protocol extension */
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@@ -1282,10 +1288,16 @@ void
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source_sftp(int argc, char *src, char *targ, struct sftp_conn *conn)
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{
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char *target = NULL, *filename = NULL, *abs_dst = NULL;
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- int target_is_dir;
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-
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+ int src_is_dir, target_is_dir;
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+ Attrib a;
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+ struct stat st;
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+
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+ memset(&a, '\0', sizeof(a));
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+ if (stat(src, &st) != 0)
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+ fatal("stat local \"%s\": %s", src, strerror(errno));
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+ src_is_dir = S_ISDIR(st.st_mode);
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if ((filename = basename(src)) == NULL)
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- fatal("basename %s: %s", src, strerror(errno));
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+ fatal("basename \"%s\": %s", src, strerror(errno));
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/*
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* No need to glob here - the local shell already took care of
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@@ -1295,8 +1307,12 @@ source_sftp(int argc, char *src, char *t
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cleanup_exit(255);
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target_is_dir = remote_is_dir(conn, target);
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if (targetshouldbedirectory && !target_is_dir) {
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- fatal("Target is not a directory, but more files selected "
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- "for upload");
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+ debug("target directory \"%s\" does not exist", target);
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+ a.flags = SSH2_FILEXFER_ATTR_PERMISSIONS;
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+ a.perm = st.st_mode | 0700; /* ensure writable */
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+ if (do_mkdir(conn, target, &a, 1) != 0)
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+ cleanup_exit(255); /* error already logged */
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+ target_is_dir = 1;
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}
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if (target_is_dir)
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abs_dst = path_append(target, filename);
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@@ -1306,14 +1322,17 @@ source_sftp(int argc, char *src, char *t
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}
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debug3_f("copying local %s to remote %s", src, abs_dst);
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- if (local_is_dir(src) && iamrecursive) {
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+ if (src_is_dir && iamrecursive) {
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if (upload_dir(conn, src, abs_dst, pflag,
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SFTP_PROGRESS_ONLY, 0, 0, 1) != 0) {
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- fatal("failed to upload directory %s to %s",
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+ error("failed to upload directory %s to %s",
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src, abs_dst);
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+ errs = 1;
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}
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- } else if (do_upload(conn, src, abs_dst, pflag, 0, 0) != 0)
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- fatal("failed to upload file %s to %s", src, abs_dst);
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+ } else if (do_upload(conn, src, abs_dst, pflag, 0, 0) != 0) {
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+ error("failed to upload file %s to %s", src, abs_dst);
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+ errs = 1;
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+ }
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free(abs_dst);
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free(target);
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@@ -1487,14 +1506,15 @@ sink_sftp(int argc, char *dst, const cha
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char *abs_dst = NULL;
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glob_t g;
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char *filename, *tmp = NULL;
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- int i, r, err = 0;
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+ int i, r, err = 0, dst_is_dir;
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+ struct stat st;
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memset(&g, 0, sizeof(g));
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+
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/*
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* Here, we need remote glob as SFTP can not depend on remote shell
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* expansions
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*/
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-
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if ((abs_src = prepare_remote_path(conn, src)) == NULL) {
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err = -1;
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goto out;
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@@ -1510,11 +1530,24 @@ sink_sftp(int argc, char *dst, const cha
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goto out;
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}
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- if (g.gl_matchc > 1 && !local_is_dir(dst)) {
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- error("Multiple files match pattern, but destination "
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- "\"%s\" is not a directory", dst);
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- err = -1;
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- goto out;
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+ if ((r = stat(dst, &st)) != 0)
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+ debug2_f("stat local \"%s\": %s", dst, strerror(errno));
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+ dst_is_dir = r == 0 && S_ISDIR(st.st_mode);
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+
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+ if (g.gl_matchc > 1 && !dst_is_dir) {
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+ if (r == 0) {
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+ error("Multiple files match pattern, but destination "
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+ "\"%s\" is not a directory", dst);
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+ err = -1;
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+ goto out;
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+ }
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+ debug2_f("creating destination \"%s\"", dst);
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+ if (mkdir(dst, 0777) != 0) {
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+ error("local mkdir \"%s\": %s", dst, strerror(errno));
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+ err = -1;
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+ goto out;
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+ }
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+ dst_is_dir = 1;
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}
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for (i = 0; g.gl_pathv[i] && !interrupted; i++) {
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@@ -1525,7 +1558,7 @@ sink_sftp(int argc, char *dst, const cha
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goto out;
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}
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- if (local_is_dir(dst))
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+ if (dst_is_dir)
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abs_dst = path_append(dst, filename);
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else
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abs_dst = xstrdup(dst);
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@@ -1551,7 +1584,8 @@ out:
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free(tmp);
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globfree(&g);
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if (err == -1) {
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- fatal("Failed to download file '%s'", src);
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+ error("Failed to download '%s'", src);
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+ errs = 1;
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}
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}
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@ -51,7 +51,7 @@
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# Do not forget to bump pam_ssh_agent_auth release if you rewind the main package release to 1
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%global openssh_ver 8.7p1
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%global openssh_rel 6
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%global openssh_rel 7
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%global pam_ssh_agent_ver 0.10.4
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%global pam_ssh_agent_rel 4
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@ -201,6 +201,8 @@ Patch977: openssh-8.7p1-scp-kill-switch.patch
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Patch978: openssh-8.7p1-upstream-cve-2021-41617.patch
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# fix for `ssh-keygen -Y find-principals -f /dev/null -s /dev/null` (#2024902)
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Patch979: openssh-8.7p1-find-principals-fix.patch
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# Create non-existent directories when scp works in sftp mode
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Patch980: openssh-8.7p1-sftpscp-dir-create.patch
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Patch1000: openssh-8.7p1-minimize-sha1-use.patch
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@ -382,6 +384,7 @@ popd
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%patch977 -p1 -b .kill-scp
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%patch978 -p1 -b .cve-2021-41617
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%patch979 -p1 -b .find-principals
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%patch980 -p1 -b .sftpdirs
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%patch200 -p1 -b .audit
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%patch201 -p1 -b .audit-race
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@ -668,6 +671,10 @@ test -f %{sysconfig_anaconda} && \
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%endif
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%changelog
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* Wed Feb 02 2022 Dmitry Belyavskiy <dbelyavs@redhat.com> - 8.7p1-7
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- Switch to SFTP protocol in scp utility by default - upstream fixes
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Related: rhbz#2001002
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* Tue Dec 21 2021 Dmitry Belyavskiy <dbelyavs@redhat.com> - 8.7p1-6
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- Fix SSH connection to localhost not possible in FIPS
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Related: rhbz#2031868
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