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mountmgr: Support $HOME paths to define shell folders.

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Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2021-09-17 16:50:00 +02:00
parent fefb5da4ba
commit b3ea395681
1 changed files with 26 additions and 6 deletions
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32
dlls/mountmgr.sys/mountmgr.c
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@ -301,7 +301,8 @@ static NTSTATUS define_shell_folder( const void *in_buff, SIZE_T insize )
UNICODE_STRING name;
NTSTATUS status;
ULONG size = 256;
char *buffer, *backup = NULL;
const char *home;
char *buffer = NULL, *backup = NULL, *homelink = NULL;
struct stat st;
unsigned int i;
@ -319,8 +320,21 @@ static NTSTATUS define_shell_folder( const void *in_buff, SIZE_T insize )
if (!link[0]) link = NULL;
}
if (link && (!strcmp( link, "$HOME" ) || !strncmp( link, "$HOME/", 6 )) && (home = getenv( "HOME" )))
{
link += 5;
homelink = HeapAlloc( GetProcessHeap(), 0, strlen(home) + strlen(link) + 1 );
strcpy( homelink, home );
strcat( homelink, link );
link = homelink;
}
/* ignore nonexistent link targets */
if (link && stat( link, &st )) return STATUS_OBJECT_NAME_NOT_FOUND;
if (link && (stat( link, &st ) || !S_ISDIR( st.st_mode )))
{
status = STATUS_OBJECT_NAME_NOT_FOUND;
goto done;
}
name.Buffer = (WCHAR *)((char *)in_buff + input->folder_offset);
name.Length = input->folder_size;
@ -328,11 +342,16 @@ static NTSTATUS define_shell_folder( const void *in_buff, SIZE_T insize )
for (;;)
{
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, size ))) return STATUS_NO_MEMORY;
status = wine_nt_to_unix_file_name( &attr, buffer, &size, FILE_OPEN );
if (!status) break;
if (!(buffer = HeapAlloc( GetProcessHeap(), 0, size )))
{
status = STATUS_NO_MEMORY;
goto done;
}
status = wine_nt_to_unix_file_name( &attr, buffer, &size, FILE_OPEN_IF );
if (status == STATUS_NO_SUCH_FILE) status = STATUS_SUCCESS;
if (status == STATUS_SUCCESS) break;
if (status != STATUS_BUFFER_TOO_SMALL) goto done;
HeapFree( GetProcessHeap(), 0, buffer );
if (status != STATUS_BUFFER_TOO_SMALL) return status;
}
if (input->create_backup)
@ -376,6 +395,7 @@ static NTSTATUS define_shell_folder( const void *in_buff, SIZE_T insize )
done:
HeapFree( GetProcessHeap(), 0, buffer );
HeapFree( GetProcessHeap(), 0, backup );
HeapFree( GetProcessHeap(), 0, homelink );
return status;
}