Fix only Regex or only Not bug

checks.go

@@ -36,7 +36,7 @@ type cond struct {
 	Key   string
 	Value string
 	After string
-	Regex bool
+	regex bool
 }
 
 // requireArgs is a convenience function that prints a warning if any required
@@ -106,22 +106,21 @@ func runCheck(cond cond) bool {
 	regex := "Regex"
 	condFunc := ""
 	negation := false
-	cond.Regex = false
+	cond.regex = false
 
 	// Ensure that condition type is a valid length
 	if len(cond.Type) <= len(regex) {
 		fail(`Condition type "` + cond.Type + `" is not long enough to be valid. Do you have a "type = 'CheckTypeHere'" for all check conditions?`)
 		return false
 	}
-
+	condFunc = cond.Type
 	if cond.Type[len(cond.Type)-len(not):len(cond.Type)] == not {
 		negation = true
 		condFunc = cond.Type[:len(cond.Type)-len(not)]
-	} else if cond.Type[len(cond.Type)-len(regex):len(cond.Type)] == regex {
-		cond.Regex = true
+	}
+	if cond.Type[len(cond.Type)-len(regex):len(cond.Type)] == regex {
+		cond.regex = true
 		condFunc = cond.Type[:len(cond.Type)-len(regex)]
-	} else {
-		condFunc = cond.Type
 	}
 
 	// Catch panic if check type doesn't exist
@@ -151,11 +150,11 @@ func runCheck(cond cond) bool {
 func (c cond) CommandContains() (bool, error) {
 	c.requireArgs("Cmd", "Value")
 	out, err := shellCommandOutput(c.Cmd)
-	if c.Regex {
+	if err != nil {
+		return false, err
+	}
+	if c.regex {
 		outTrim := strings.TrimSpace(out)
-		if err != nil {
-			return false, err
-		}
 		return regexp.Match(c.Value, []byte(outTrim))
 	}
 	return strings.Contains(strings.TrimSpace(out), c.Value), err
@@ -222,14 +221,14 @@ func (c cond) FileContains() (bool, error) {
 	}
 	found := false
 	for _, line := range strings.Split(fileContent, "\n") {
-		if c.Regex {
+		if c.regex {
 			found, err = regexp.Match(c.Value, []byte(line))
+			if err != nil {
+				return false, err
+			}
 		} else {
 			found = strings.Contains(line, c.Value)
 		}
-		if err != nil {
-			return false, err
-		}
 		if found {
 			break
 		}

checks_linux.go

@@ -13,7 +13,7 @@ func (c cond) AutoCheckUpdatesEnabled() (bool, error) {
 	result, err := cond{
 		Path:  "/etc/apt/apt.conf.d/",
 		Value: `(?i)^\s*APT::Periodic::Update-Package-Lists\s+"1"\s*;\s*$`,
-		Regex: true,
+		regex: true,
 	}.DirContains()
 	// If /etc/apt/ does not exist, try dnf (RHEL)
 	if err != nil {
@@ -27,7 +27,7 @@ func (c cond) AutoCheckUpdatesEnabled() (bool, error) {
 			applyUpdates, err := cond{
 				Path:  "/etc/dnf/automatic.conf",
 				Value: `(?i)^\s*apply_updates\s*=\s*(1|on|yes|true)`,
-				Regex: true,
+				regex: true,
 			}.FileContains()
 			if err != nil {
 				return false, err
@@ -82,7 +82,7 @@ func (c cond) FirewallUp() (bool, error) {
 	result, err := cond{
 		Path:  "/etc/ufw/ufw.conf",
 		Value: `^\s*ENABLED=yes\s*$`,
-		Regex: true,
+		regex: true,
 	}.FileContains()
 	if err != nil {
 		// If ufw.conf does not exist, check firewalld status (RHEL)
@@ -98,13 +98,13 @@ func (c cond) GuestDisabledLDM() (bool, error) {
 	result, err := cond{
 		Path:  "/usr/share/lightdm/lightdm.conf.d/",
 		Value: guestStr,
-		Regex: true,
+		regex: true,
 	}.DirContains()
 	if !result {
 		return cond{
 			Path:  "/etc/lightdm/",
 			Value: guestStr,
-			Regex: true,
+			regex: true,
 		}.DirContains()
 	}
 	return result, err
@@ -249,7 +249,7 @@ func (c cond) UserExists() (bool, error) {
 	return cond{
 		Path:  "/etc/passwd",
 		Value: "^" + c.User + ":",
-		Regex: true,
+		regex: true,
 	}.FileContains()
 }
 
@@ -258,6 +258,6 @@ func (c cond) UserInGroup() (bool, error) {
 	return cond{
 		Path:  "/etc/group",
 		Value: c.Group + `[0-9a-zA-Z,:\s+]+` + c.User,
-		Regex: true,
+		regex: true,
 	}.FileContains()
 }

docs/regex.md

@@ -5,7 +5,8 @@ to score something simple, but we think it significantly increases the overall q
 to each line of the input file, so currently, no multi-line regexes are currently possible.
 
 The checks that are specifically supported are `CommandContainsRegex`, `DirContainsRegex`, and `FileContainsRegex`.
-Please note that you **must** append `Regex` to the end for the check to use regular expressions.
+Please note that you **must** add `Regex` for the check to use regular expressions. You can also still append `Not` to
+the end to invert the condition, such as `CommandContainsRegexNot`
 
 > We're using the Golang Regular Expression package ([documentation here](https://godocs.io/regexp)). It uses RE2
 > syntax, which is also generally the same as Perl, Python, and other languages.

utility_linux.go

@@ -46,7 +46,7 @@ func checkTrace() {
 	result, err := cond{
 		Path:  "/proc/self/status",
 		Value: `^TracerPid:\s+0$`,
-		Regex: true,
+		regex: true,
 	}.FileContains()
 
 	// If there was an error reading the file, the user may be restricting access to /proc for the phocus binary