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32 lines
1022 B
32 lines
1022 B
2 years ago
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diff -up openssh-8.2p1/authfile.c.keyperm openssh-8.2p1/authfile.c
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--- openssh-8.2p1/authfile.c.keyperm 2020-02-14 01:40:54.000000000 +0100
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+++ openssh-8.2p1/authfile.c 2020-02-17 11:55:12.841729758 +0100
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@@ -31,6 +31,7 @@
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#include <errno.h>
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#include <fcntl.h>
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+#include <grp.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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@@ -101,7 +102,19 @@ sshkey_perm_ok(int fd, const char *filen
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#ifdef HAVE_CYGWIN
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if (check_ntsec(filename))
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#endif
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+
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if ((st.st_uid == getuid()) && (st.st_mode & 077) != 0) {
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+ if (st.st_mode & 040) {
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+ struct group *gr;
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+
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+ if ((gr = getgrnam("ssh_keys")) && (st.st_gid == gr->gr_gid)) {
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+ /* The only additional bit is read
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+ * for ssh_keys group, which is fine */
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+ if ((st.st_mode & 077) == 040 ) {
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+ return 0;
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+ }
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+ }
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+ }
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error("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
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error("@ WARNING: UNPROTECTED PRIVATE KEY FILE! @");
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error("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
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