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Prevent crash with invalid args in a few URL functions.

This commit is contained in:
Kevin Koltzau 2004-03-03 05:26:45 +00:00 committed by Alexandre Julliard
parent 4a2731a781
commit e6d93da700
1 changed files with 27 additions and 3 deletions
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30
dlls/shlwapi/url.c
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@ -419,6 +419,9 @@ HRESULT WINAPI UrlCanonicalizeA(LPCSTR pszUrl, LPSTR pszCanonicalized,
debugstr_a(pszUrl), pszCanonicalized,
pcchCanonicalized, dwFlags);
if(!pszUrl || !pszCanonicalized || !pcchCanonicalized)
return E_INVALIDARG;
base = (LPWSTR) HeapAlloc(GetProcessHeap(), 0,
(2*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
canonical = base + INTERNET_MAX_URL_LENGTH;
@ -461,6 +464,9 @@ HRESULT WINAPI UrlCanonicalizeW(LPCWSTR pszUrl, LPWSTR pszCanonicalized,
TRACE("(%s %p %p 0x%08lx)\n", debugstr_w(pszUrl), pszCanonicalized,
pcchCanonicalized, dwFlags);
if(!pszUrl || !pszCanonicalized || !pcchCanonicalized)
return E_INVALIDARG;
nByteLen = (lstrlenW(pszUrl) + 1) * sizeof(WCHAR); /* length in bytes */
lpszUrlCpy = HeapAlloc(GetProcessHeap(), 0, nByteLen);
@ -629,7 +635,10 @@ HRESULT WINAPI UrlCombineA(LPCSTR pszBase, LPCSTR pszRelative,
TRACE("(base %s, Relative %s, Combine size %ld, flags %08lx) using W version\n",
debugstr_a(pszBase),debugstr_a(pszRelative),
*pcchCombined,dwFlags);
pcchCombined?*pcchCombined:0,dwFlags);
if(!pszBase || !pszRelative || !pszCombined || !pcchCombined)
return E_INVALIDARG;
base = (LPWSTR) HeapAlloc(GetProcessHeap(), 0,
(3*INTERNET_MAX_URL_LENGTH) * sizeof(WCHAR));
@ -678,7 +687,10 @@ HRESULT WINAPI UrlCombineW(LPCWSTR pszBase, LPCWSTR pszRelative,
TRACE("(base %s, Relative %s, Combine size %ld, flags %08lx)\n",
debugstr_w(pszBase),debugstr_w(pszRelative),
*pcchCombined,dwFlags);
pcchCombined?*pcchCombined:0,dwFlags);
if(!pszBase || !pszRelative || !pszCombined || !pcchCombined)
return E_INVALIDARG;
base.size = 24;
relative.size = 24;
@ -964,7 +976,10 @@ HRESULT WINAPI UrlEscapeA(
INT len;
TRACE("(%s %p %lx 0x%08lx)\n", debugstr_a(pszUrl), pszEscaped,
*pcchEscaped, dwFlags);
pcchEscaped?*pcchEscaped:0, dwFlags);
if(!pszUrl || !pszEscaped || !pcchEscaped)
return E_INVALIDARG;
if(dwFlags & ~(URL_ESCAPE_SPACES_ONLY |
URL_ESCAPE_SEGMENT_ONLY |
@ -1039,6 +1054,9 @@ HRESULT WINAPI UrlEscapeW(
TRACE("(%s %p %p 0x%08lx)\n", debugstr_w(pszUrl), pszEscaped,
pcchEscaped, dwFlags);
if(!pszUrl || !pszEscaped || !pcchEscaped)
return E_INVALIDARG;
if(dwFlags & ~(URL_ESCAPE_SPACES_ONLY |
URL_ESCAPE_SEGMENT_ONLY |
URL_DONT_ESCAPE_EXTRA_INFO |
@ -1144,6 +1162,9 @@ HRESULT WINAPI UrlUnescapeA(
TRACE("(%s, %p, %p, 0x%08lx)\n", debugstr_a(pszUrl), pszUnescaped,
pcchUnescaped, dwFlags);
if(!pszUrl || !pszUnescaped || !pcchUnescaped)
return E_INVALIDARG;
if(dwFlags & URL_UNESCAPE_INPLACE)
dst = pszUrl;
else
@ -1208,6 +1229,9 @@ HRESULT WINAPI UrlUnescapeW(
TRACE("(%s, %p, %p, 0x%08lx)\n", debugstr_w(pszUrl), pszUnescaped,
pcchUnescaped, dwFlags);
if(!pszUrl || !pszUnescaped || !pcchUnescaped)
return E_INVALIDARG;
if(dwFlags & URL_UNESCAPE_INPLACE)
dst = pszUrl;
else