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22 lines
717 B
22 lines
717 B
commit 47a63d90e71d3e19e0e96052bb8c6b9cb140ecc1
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Author: Wayne Davison <wayned@samba.org>
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Date: Sun Nov 5 11:33:15 2017 -0800
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Enforce trailing \0 when receiving xattr name values.
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Fixes bug 13112.
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diff --git a/xattrs.c b/xattrs.c
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index 68305d7..4867e6f 100644
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--- a/xattrs.c
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+++ b/xattrs.c
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@@ -824,6 +824,10 @@ void receive_xattr(int f, struct file_struct *file)
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out_of_memory("receive_xattr");
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name = ptr + dget_len + extra_len;
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read_buf(f, name, name_len);
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+ if (name_len < 1 || name[name_len-1] != '\0') {
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+ rprintf(FERROR, "Invalid xattr name received (missing trailing \\0).\n");
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+ exit_cleanup(RERR_FILEIO);
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+ }
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if (dget_len == datum_len)
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read_buf(f, ptr, dget_len);
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else {
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