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37 lines
1.0 KiB
37 lines
1.0 KiB
7 years ago
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autofs-5.0.8 - check for bind onto self in mount_bind.c
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From: Ian Kent <raven@themaw.net>
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Check for an obviously impossible request to bind or symlink to the
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same patch for source and target.
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---
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CHANGELOG | 1 +
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modules/mount_bind.c | 6 ++++++
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2 files changed, 7 insertions(+)
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--- autofs-5.0.7.orig/CHANGELOG
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+++ autofs-5.0.7/CHANGELOG
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@@ -85,6 +85,7 @@
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- fix compilation of lookup_ldap.c without sasl.
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- fix undefined authtype_requires_creds err if ldap enabled but without sasl.
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- pass map_source as function paramter where possible.
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+- check for bind onto self in mount_bind.c.
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25/07/2012 autofs-5.0.7
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=======================
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--- autofs-5.0.7.orig/modules/mount_bind.c
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+++ autofs-5.0.7/modules/mount_bind.c
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@@ -135,6 +135,12 @@ int mount_mount(struct autofs_point *ap,
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if (options == NULL || *options == '\0')
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options = "defaults";
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+ if (!strcmp(what, fullpath)) {
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+ debug(ap->logopt, MODPREFIX
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+ "cannot mount or symlink %s to itself", fullpath);
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+ return 1;
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+ }
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+
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if (!symlnk && bind_works) {
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int status, existed = 1;
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