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DISCONTINUED:openSUSE:11.2:Update
elilo
elilo-strncpy-overflow-fix.diff
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File elilo-strncpy-overflow-fix.diff of Package elilo
From: Jarrod Johnson <jbjohnso@us.ibm.com> Fix StrnCpy bug that would overflow dst buffer if length of src met or exceeded passed size value. diff -urN elilo/strops.c elilo-strncpy-overflow-fix/strops.c --- elilo/strops.c 2003-08-19 12:47:41.000000000 -0400 +++ elilo-strncpy-overflow-fix/strops.c 2009-02-07 11:17:10.000000000 -0500 @@ -41,11 +41,11 @@ { CHAR16 *res = dst; - while (size-- && (*dst++ = *src++) != CHAR_NULL); + while (size && size-- && (*dst++ = *src++) != CHAR_NULL); /* * does the null padding */ - while (size-- > 0) *dst++ = CHAR_NULL; + while (size && size-- > 0) *dst++ = CHAR_NULL; return res; } @@ -55,11 +55,11 @@ { CHAR8 *res = dst; - while (size-- && (*dst++ = (CHAR8)*src++) != '\0'); + while (size && size-- && (*dst++ = (CHAR8)*src++) != '\0'); /* * does the null padding */ - while (size-- > 0) *dst++ = '\0'; + while (size && size-- > 0) *dst++ = '\0'; return res; } @@ -76,11 +76,11 @@ { CHAR8 *res = dst; - while (size-- && (*dst++ = *src++) != '\0'); + while (size && size-- && (*dst++ = *src++) != '\0'); /* * does the null padding */ - while (size-- > 0) *dst++ = '\0'; + while (size && size-- > 0) *dst++ = '\0'; return res; }
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