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51 lines
2.2 KiB
C++
51 lines
2.2 KiB
C++
#ifndef PAYLOAD_PATHS_H
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#define PAYLOAD_PATHS_H
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#include <string>
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/**
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* @brief The file names of the programs the payload installs, in the order the guard names
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* them.
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*
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* The single list behind isPayloadProgram(), so the guard acts on exactly the programs it
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* names, and so a payload program added later is closed, ended and tested for a lock
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* without a second list to update. A payload executable that refuses to be written is
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* running, which is what makes this list the evidence the two process lookups cannot
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* provide - see payloadExecutablesInUse().
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*/
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inline constexpr const wchar_t *PAYLOAD_PROGRAMS[] = {L"continuumatrice.exe", L"continuumatrice-legacy-oracle.exe", L"continuum-servatrice.exe"};
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/**
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* @brief The last name in @p path: what follows its last separator, or @p path itself when
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* it has none.
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*
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* Empty for an empty path and for one that ends in a separator, which has no name of its
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* own - a caller that hands in a directory there gets no name rather than the directory's
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* own last component.
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*/
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std::wstring fileNameOf(const std::wstring &path);
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/**
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* @brief The directory @p path lies in, without a trailing separator.
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*
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* Empty when @p path has no directory part. Used to tell where a process was started from:
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* an image running directly in the install directory has that directory as its parent,
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* while one started from a folder below it has that folder, and the two are not the same
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* answer to "does this process belong to the installation being replaced?".
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*/
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std::wstring parentDirectoryOf(const std::wstring &path);
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/**
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* @brief Whether @p imageName is one of the programs the payload installs.
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*
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* The single place that answers which images are Cockatrice's own, so the guard acts on the
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* same set it names, and so a program a user happens to keep in the install directory is
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* never treated as an instance of the application. Matched on the image name alone, without
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* case: the names are the payload's own, and the comparison is deliberately free of Windows
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* API so it can be exercised off Windows.
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*
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* @param imageName the file name of a process image, empty when it could not be read
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*/
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bool isPayloadProgram(const std::wstring &imageName);
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#endif
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