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Require whole brand string matching for old Elf branding.

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Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2017-03-07 13:37:35 +00:00
parent 0bbee4cd3f
commit 3d560b4be2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=314850
1 changed files with 2 additions and 2 deletions
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4
sys/kern/imgact_elf.c
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@ -309,8 +309,8 @@ __elfN(get_brandinfo)(struct image_params *imgp, const char *interp,
continue; continue;
if (hdr->e_machine == bi->machine && if (hdr->e_machine == bi->machine &&
(hdr->e_ident[EI_OSABI] == bi->brand || (hdr->e_ident[EI_OSABI] == bi->brand ||
strncmp((const char *)&hdr->e_ident[OLD_EI_BRAND], strcmp((const char *)&hdr->e_ident[OLD_EI_BRAND],
bi->compat_3_brand, strlen(bi->compat_3_brand)) == 0)) { bi->compat_3_brand) == 0)) {
/* Looks good, but give brand a chance to veto */ /* Looks good, but give brand a chance to veto */
if (!bi->header_supported || bi->header_supported(imgp)) if (!bi->header_supported || bi->header_supported(imgp))
return (bi); return (bi);