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test: Support more options
Adds -g, -G, -k, -O and -u options.
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parent
caab6ac968
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6c86b40724
Notes:
sideshowbarker
2024-07-17 06:25:32 +09:00
Author: https://github.com/implicitfield Commit: https://github.com/SerenityOS/serenity/commit/6c86b40724 Pull-request: https://github.com/SerenityOS/serenity/pull/15395 Reviewed-by: https://github.com/linusg ✅
@ -71,6 +71,11 @@ The expression can take any of the following forms:
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* `-w <file>` whether the current user has write access to the file
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* `-x <file>` whether the current user has execute access to the file
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* `-e <file>` whether the file exists
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* `-g <file>` whether the file exists and has the set-group-ID bit set
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* `-G <file>` whether the file exists and is owned by the effective group ID
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* `-k <file>` whether the file exists and has the sticky bit set
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* `-O <file>` whether the file exists and is owned by the effective user ID
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* `-u <file>` whether the file exists and has the set-user-ID bit set
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Except for `-h/-L`, all file checks dereference symbolic links.
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@ -182,6 +182,89 @@ private:
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Permission m_kind { Read };
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};
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class FileHasFlag : public Condition {
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public:
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enum Flag {
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SGID,
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SUID,
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SVTX,
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};
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FileHasFlag(StringView path, Flag kind)
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: m_path(path)
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, m_kind(kind)
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{
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}
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private:
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virtual bool check() const override
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{
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struct stat statbuf;
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int rc = stat(m_path.characters(), &statbuf);
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if (rc < 0) {
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if (errno != ENOENT) {
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perror(m_path.characters());
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g_there_was_an_error = true;
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}
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return false;
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}
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switch (m_kind) {
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case SGID:
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return statbuf.st_mode & S_ISGID;
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case SUID:
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return statbuf.st_mode & S_ISUID;
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case SVTX:
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return statbuf.st_mode & S_ISVTX;
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default:
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VERIFY_NOT_REACHED();
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}
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}
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String m_path;
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Flag m_kind { SGID };
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};
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class FileIsOwnedBy : public Condition {
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public:
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enum Owner {
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EffectiveGID,
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EffectiveUID,
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};
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FileIsOwnedBy(StringView path, Owner kind)
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: m_path(path)
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, m_kind(kind)
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{
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}
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private:
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virtual bool check() const override
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{
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struct stat statbuf;
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int rc = stat(m_path.characters(), &statbuf);
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if (rc < 0) {
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if (errno != ENOENT) {
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perror(m_path.characters());
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g_there_was_an_error = true;
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}
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return false;
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}
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switch (m_kind) {
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case EffectiveGID:
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return statbuf.st_gid == getgid();
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case EffectiveUID:
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return statbuf.st_uid == getuid();
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default:
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VERIFY_NOT_REACHED();
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}
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}
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String m_path;
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Owner m_kind { EffectiveGID };
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};
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class StringCompare : public Condition {
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public:
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enum Mode {
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@ -374,6 +457,12 @@ static OwnPtr<Condition> parse_simple_expression(char* argv[])
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return make<UserHasPermission>(value, UserHasPermission::Execute);
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case 'e':
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return make<UserHasPermission>(value, UserHasPermission::Any);
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case 'g':
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return make<FileHasFlag>(value, FileHasFlag::SGID);
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case 'k':
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return make<FileHasFlag>(value, FileHasFlag::SVTX);
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case 'u':
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return make<FileHasFlag>(value, FileHasFlag::SUID);
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case 'o':
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case 'a':
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// '-a' and '-o' are boolean ops, which are part of a complex expression
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@ -384,11 +473,11 @@ static OwnPtr<Condition> parse_simple_expression(char* argv[])
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return make<StringCompare>(""sv, value, StringCompare::NotEqual);
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case 'z':
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return make<StringCompare>(""sv, value, StringCompare::Equal);
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case 'g':
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case 'G':
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case 'k':
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case 'N':
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return make<FileIsOwnedBy>(value, FileIsOwnedBy::EffectiveGID);
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case 'O':
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return make<FileIsOwnedBy>(value, FileIsOwnedBy::EffectiveUID);
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case 'N':
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case 's':
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// 'optind' has been incremented to refer to the argument after the
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// operator, while we want to print the operator itself.
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