Balint Reczey
61 lines
1.3 KiB
Plaintext
61 lines
1.3 KiB
Plaintext
Goal: save the [g]shadow files with the 'shadow' group and mode 0440
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Fixes: #166793
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--- a/lib/commonio.c
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+++ b/lib/commonio.c
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@@ -21,6 +21,7 @@
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#include <errno.h>
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#include <stdio.h>
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#include <signal.h>
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+#include <grp.h>
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#include "nscd.h"
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#include "sssd.h"
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#ifdef WITH_TCB
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@@ -976,12 +977,23 @@
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goto fail;
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}
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} else {
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+ struct group *grp;
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/*
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* Default permissions for new [g]shadow files.
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*/
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sb.st_mode = db->st_mode;
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sb.st_uid = db->st_uid;
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sb.st_gid = db->st_gid;
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+
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+ /*
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+ * Try to retrieve the shadow's GID, and fall back to GID 0.
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+ */
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+ if (sb.st_gid == 0) {
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+ if ((grp = getgrnam("shadow")) != NULL)
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+ sb.st_gid = grp->gr_gid;
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+ else
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+ sb.st_gid = 0;
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+ }
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}
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snprintf (buf, sizeof buf, "%s+", db->filename);
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--- a/lib/sgroupio.c
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+++ b/lib/sgroupio.c
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@@ -206,7 +206,7 @@
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#ifdef WITH_SELINUX
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NULL, /* scontext */
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#endif
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- 0400, /* st_mode */
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+ 0440, /* st_mode */
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0, /* st_uid */
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0, /* st_gid */
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NULL, /* head */
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--- a/lib/shadowio.c
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+++ b/lib/shadowio.c
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@@ -82,7 +82,7 @@
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#ifdef WITH_SELINUX
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NULL, /* scontext */
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#endif /* WITH_SELINUX */
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- 0400, /* st_mode */
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+ 0440, /* st_mode */
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0, /* st_uid */
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0, /* st_gid */
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NULL, /* head */
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