Lock down ACI tests and more OPA test folders (#54)

Borrowed from rego-cpp

Significantly (> 10 times) faster execution.

$ cargo test -r  --test aci
aci/mount_device                                  passed    9.597958ms
aci/mount_overlay                                 passed    10.159208ms
aci/scratch_mount                                 passed    8.598875ms
aci/create_container                              passed    10.237292ms
aci/shutdown_container                            passed    6.904084ms
aci/scratch_unmount                               passed    6.530875ms
aci/unmount_overlay                               passed    5.958875ms
aci/unmount_device                                passed    5.657834ms
aci/load_fragment                                 passed    6.049917ms

Signed-off-by: Anand Krishnamoorthi <anakrish@microsoft.com>

Cargo.toml

@@ -17,6 +17,7 @@ env_logger="0.10.0"
 lazy_static = "1.4.0"
 rand = "0.8.5"
 data-encoding = "2.4.0"
+regex = "1.10.2"
 
 [dev-dependencies]
 clap = { version = "4.4.7", features = ["derive"] }
@@ -33,3 +34,8 @@ debug = true
 name="opa"
 harness=false
 test=false
+
+[[test]]
+name="aci"
+harness=false
+test=false

src/builtins/deprecated.rs

@@ -2,6 +2,7 @@
 // Licensed under the MIT License.
 
 use crate::ast::{Expr, Ref};
+use crate::builtins::regex::regex_match;
 use crate::builtins::utils::{ensure_args_count, ensure_set};
 use crate::builtins::BuiltinFcn;
 use crate::lexer::Span;
@@ -20,6 +21,7 @@ lazy_static! {
 	m.insert("all", (all, 1));
 	m.insert("any", (any, 1));	
 	m.insert("set_diff", (set_diff, 2));
+	m.insert("re_match", (regex_match, 2));
 	m
     };
 }

src/builtins/mod.rs

@@ -11,6 +11,7 @@ pub mod deprecated;
 mod encoding;
 pub mod numbers;
 mod objects;
+mod regex;
 mod semver;
 pub mod sets;
 mod strings;
@@ -45,7 +46,7 @@ lazy_static! {
 	sets::register(&mut m);
 	objects::register(&mut m);
 	strings::register(&mut m);
-	//regex::register(&mut m);
+	regex::register(&mut m);
 	//glob::register(&mut m);
 	bitwise::register(&mut m);
 	conversions::register(&mut m);

src/builtins/regex.rs

@@ -0,0 +1,51 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+use crate::ast::{Expr, Ref};
+use crate::builtins;
+use crate::builtins::utils::{ensure_args_count, ensure_string};
+use crate::lexer::Span;
+use crate::value::Value;
+
+use std::collections::HashMap;
+
+use anyhow::{bail, Result};
+use regex::Regex;
+
+pub fn register(m: &mut HashMap<&'static str, builtins::BuiltinFcn>) {
+    m.insert("regex.is_valid", (is_valid, 1));
+    m.insert("regex.match", (regex_match, 2));
+    m.insert("regex.split", (regex_split, 2));
+}
+
+fn is_valid(span: &Span, params: &[Ref<Expr>], args: &[Value]) -> Result<Value> {
+    let name = "regex.is_valid";
+    ensure_args_count(span, name, params, args, 1)?;
+    Ok(ensure_string(name, &params[0], &args[0])
+        .map_or(Value::Bool(false), |p| Value::Bool(Regex::new(&p).is_ok())))
+}
+
+pub fn regex_match(span: &Span, params: &[Ref<Expr>], args: &[Value]) -> Result<Value> {
+    let name = "regex.match";
+    ensure_args_count(span, name, params, args, 2)?;
+    let pattern = ensure_string(name, &params[0], &args[0])?;
+    let value = ensure_string(name, &params[1], &args[1])?;
+
+    let pattern = Regex::new(&pattern).or_else(|_| bail!(span.error("invalid regex")))?;
+    Ok(Value::Bool(pattern.is_match(&value)))
+}
+
+pub fn regex_split(span: &Span, params: &[Ref<Expr>], args: &[Value]) -> Result<Value> {
+    let name = "regex.split";
+    ensure_args_count(span, name, params, args, 2)?;
+    let pattern = ensure_string(name, &params[0], &args[0])?;
+    let value = ensure_string(name, &params[1], &args[1])?;
+
+    let pattern = Regex::new(&pattern).or_else(|_| bail!(span.error("invalid regex")))?;
+    Ok(Value::from_array(
+        pattern
+            .split(&value)
+            .map(|s| Value::String(s.into()))
+            .collect::<Vec<Value>>(),
+    ))
+}

src/interpreter.rs

@@ -242,7 +242,7 @@ impl Interpreter {
                 // Stop path collection upon encountering the leading variable.
                 Expr::Var(v) => {
                     path.reverse();
-                    return self.lookup_var(v, &path[..]);
+                    return self.lookup_var(v, &path[..], false);
                 }
                 // Accumulate chained . field accesses.
                 Expr::RefDot { refr, field, .. } => {
@@ -259,8 +259,23 @@ impl Interpreter {
                     // Note, we have the choice to evaluate a non-string index
                     _ => {
                         path.reverse();
-                        let obj = self.eval_expr(refr)?;
+
                         let index = self.eval_expr(index)?;
+
+                        // Handle indexing into data.
+                        if let Ok(ref_path) = get_path_string(refr, None) {
+                            if get_root_var(refr)?.text() == "data" && index != Value::Undefined {
+                                let index = match &index {
+                                    Value::String(s) => s.to_string(),
+                                    _ => index.to_string(),
+                                };
+                                let ref_path = ref_path + "." + &index + "." + &path.join("");
+                                self.ensure_rule_evaluated(ref_path)?;
+                            }
+                        }
+
+                        let obj = self.eval_expr(refr)?;
+
                         let mut v = obj[&index].clone();
                         // Qualified references starting with data (e.g data.p.q) can
                         // be indexed using numbers. The number will be converted to string
@@ -451,55 +466,87 @@ impl Interpreter {
         let (name, value) = match op {
             AssignOp::Eq => {
                 match (lhs.as_ref(), rhs.as_ref()) {
-                    (Expr::Var(lhs_span), Expr::Var(rhs_span)) => {
-                        let (lhs_name, lhs_var) = (lhs_span.source_str(), self.eval_expr(lhs)?);
-                        let (rhs_name, rhs_var) = (rhs_span.source_str(), self.eval_expr(rhs)?);
-
-                        match (&lhs_var, &rhs_var) {
-                            (Value::Undefined, Value::Undefined) => {
-                                bail!(lhs.span().error("both operands are unsafe"))
+                    (_, Expr::Var(var)) if self.lookup_var(var, &[], true)? == Value::Undefined => {
+                        (var.source_str(), self.eval_expr(lhs)?)
+                    }
+                    (Expr::Var(var), _) if self.lookup_var(var, &[], true)? == Value::Undefined => {
+                        (var.source_str(), self.eval_expr(rhs)?)
+                    }
+                    (
+                        Expr::Array {
+                            items: lhs_items, ..
+                        },
+                        Expr::Array {
+                            items: rhs_items,
+                            span: rhs_span,
+                        },
+                    ) => {
+                        if lhs_items.len() != rhs_items.len() {
+                            bail!(rhs_span
+                                .error("mismatch in number of array elements in lhs and rhs"));
+                        }
+                        for (lhs, rhs) in std::iter::zip(lhs_items.iter(), rhs_items.iter()) {
+                            if self.eval_assign_expr(&AssignOp::Eq, lhs, rhs)? != Value::Bool(true)
+                            {
+                                return Ok(Value::Bool(false));
                             }
-                            (Value::Undefined, _) => (lhs_name, rhs_var),
-                            (_, Value::Undefined) => (rhs_name, lhs_var),
-                            // TODO: avoid reeval
-                            _ => return self.eval_bool_expr(&BoolOp::Eq, lhs, rhs),
                         }
+                        return Ok(Value::Bool(true));
                     }
-                    (Expr::Var(lhs_span), _) => {
-                        let (name, var) = (lhs_span.source_str(), self.eval_expr(lhs)?);
-
-                        // TODO: Check this
-                        // Allow variable overwritten inside a loop
-                        if !matches!(var, Value::Undefined)
-                            && self.loop_var_values.get(rhs).is_none()
-                        {
-                            return self.eval_bool_expr(&BoolOp::Eq, lhs, rhs);
-                        }
-
-                        (name, self.eval_expr(rhs)?)
+                    (Expr::Object { .. }, Expr::Object { .. }) => {
+                        // TODO: destructure
+                        return self.eval_bool_expr(&BoolOp::Eq, lhs, rhs);
                     }
-                    (_, Expr::Var(rhs_span)) => {
-                        let (name, var) = (rhs_span.source_str(), self.eval_expr(rhs)?);
-
-                        // TODO: Check this
-                        // Allow variable overwritten inside a loop
-                        if !matches!(var, Value::Undefined)
-                            && self.loop_var_values.get(lhs).is_none()
-                        {
-                            return self.eval_bool_expr(&BoolOp::Eq, lhs, rhs);
-                        }
-
-                        (name, self.eval_expr(lhs)?)
+                    (Expr::Array { .. }, _) => {
+                        let value = self.eval_expr(rhs)?;
+                        let mut cache = BTreeMap::new();
+                        let mut type_match = BTreeSet::new();
+                        return self
+                            .make_bindings(false, &mut type_match, &mut cache, lhs, &value)
+                            .map(Value::Bool);
+                    }
+                    (_, Expr::Array { .. }) => {
+                        let value = self.eval_expr(lhs)?;
+                        let mut cache = BTreeMap::new();
+                        let mut type_match = BTreeSet::new();
+                        return self
+                            .make_bindings(false, &mut type_match, &mut cache, rhs, &value)
+                            .map(Value::Bool);
+                    }
+                    (Expr::Object { .. }, _) => {
+                        let value = self.eval_expr(rhs)?;
+                        let mut cache = BTreeMap::new();
+                        let mut type_match = BTreeSet::new();
+                        return self
+                            .make_bindings(false, &mut type_match, &mut cache, lhs, &value)
+                            .map(Value::Bool);
+                    }
+                    (_, Expr::Object { .. }) => {
+                        let value = self.eval_expr(lhs)?;
+                        let mut cache = BTreeMap::new();
+                        let mut type_match = BTreeSet::new();
+                        return self
+                            .make_bindings(false, &mut type_match, &mut cache, rhs, &value)
+                            .map(Value::Bool);
                     }
                     // Treat the assignment as comparison if neither lhs nor rhs is a variable
                     _ => return self.eval_bool_expr(&BoolOp::Eq, lhs, rhs),
                 }
             }
             AssignOp::ColEq => {
+                let rhs_value = self.eval_expr(rhs)?;
+                if rhs_value == Value::Undefined {
+                    return Ok(rhs_value);
+                }
+
                 let name = if let Expr::Var(span) = lhs.as_ref() {
                     span.source_str()
                 } else {
-                    bail!("internal error: unexpected");
+                    let mut cache = BTreeMap::new();
+                    let mut type_match = BTreeSet::new();
+                    return self
+                        .make_bindings(false, &mut type_match, &mut cache, lhs, &rhs_value)
+                        .map(Value::Bool);
                 };
 
                 // TODO: Check this
@@ -513,7 +560,7 @@ impl Interpreter {
                         .error(&format!("redefinition for variable {}", name)));
                 }
 
-                (name, self.eval_expr(rhs)?)
+                (name, rhs_value)
             }
         };
 
@@ -632,6 +679,7 @@ impl Interpreter {
         let raise_error = is_last && type_match.get(expr).is_none();
 
         match (expr.as_ref(), value) {
+            (Expr::Var(ident), _) if ident.text().as_ref() == &"_" => Ok(true),
             (Expr::Var(ident), _) => {
                 self.add_variable(&ident.source_str(), value.clone())?;
                 Ok(true)
@@ -1649,29 +1697,25 @@ impl Interpreter {
                 ));
             }
 
-            let mut args_scope = Scope::new();
-            for (idx, a) in args.iter().enumerate() {
-                let a = match a.as_ref() {
-                    Expr::Var(s) => s.source_str(),
-                    _ => {
-                        match self.eval_expr(a) {
-                            Ok(a) => {
-                                if a != param_values[idx] {
-                                    // Skip this rule definition.
-                                    continue 'outer;
-                                }
+            // Back up local variables of current function and empty
+            // the local variables of callee function.
+            let scopes = std::mem::take(&mut self.scopes);
 
-                                continue;
-                            }
-                            _ => {
-                                // TODO: destructuring function arguments.
-                                continue;
-                            }
-                        }
-                    }
-                };
-                //TODO: check call in params
-                args_scope.insert(a, param_values[idx].clone());
+            // Set the arguments scope.
+            let args_scope = Scope::new();
+            self.scopes.push(args_scope);
+
+            let mut cache = BTreeMap::new();
+            let mut type_match = BTreeSet::new();
+
+            for (idx, a) in args.iter().enumerate() {
+                if self
+                    .make_bindings(false, &mut type_match, &mut cache, a, &param_values[idx])
+                    .is_err()
+                {
+                    self.scopes = scopes;
+                    continue 'outer;
+                }
             }
 
             let ctx = Context {
@@ -1683,12 +1727,6 @@ impl Interpreter {
                 is_compr: false,
             };
 
-            // Back up local variables of current function and empty
-            // the local variables of callee function.
-            let scopes = std::mem::take(&mut self.scopes);
-
-            // Set the arguments scope.
-            self.scopes.push(args_scope);
             let value = match self.eval_rule_bodies(ctx, span, bodies) {
                 Ok(v) => v,
                 Err(e) => {
@@ -1768,10 +1806,17 @@ impl Interpreter {
                     }
                     Ok(Value::Bool(true))
                 }
-                _ => {
+                _ if allow_return_arg => {
                     let ret_value = self.eval_call_impl(span, fcn, &params[..params.len() - 1])?;
-                    let value = self.eval_expr(&ea)?;
-                    Ok(Value::Bool(ret_value == value))
+                    let mut cache = BTreeMap::new();
+                    let mut type_match = BTreeSet::new();
+                    self.make_bindings(false, &mut type_match, &mut cache, &ea, &ret_value)
+                        .map(Value::Bool)
+                }
+                _ => {
+                    let expected = self.eval_expr(&params[params.len() - 1])?;
+                    let ret_value = self.eval_call_impl(span, fcn, &params[..params.len() - 1])?;
+                    Ok(Value::Bool(ret_value == expected))
                 }
             }
         } else {
@@ -1813,7 +1858,7 @@ impl Interpreter {
         Ok(())
     }
 
-    fn lookup_var(&mut self, span: &Span, fields: &[&str]) -> Result<Value> {
+    fn lookup_var(&mut self, span: &Span, fields: &[&str], no_error: bool) -> Result<Value> {
         let name = span.source_str();
 
         // Return local variable/argument.
@@ -1828,6 +1873,9 @@ impl Interpreter {
 
         // TODO: should we return before checking for input?
         if self.no_rules_lookup {
+            if no_error {
+                return Ok(Value::Undefined);
+            }
             return Err(span.error("undefined var"));
         }
 
@@ -1869,6 +1917,12 @@ impl Interpreter {
                 Self::get_path_string(&self.current_module()?.package.refr, Some("data"))?;
             let rule_path = module_path + "." + name.text();
 
+            if !no_error
+                && self.rules.get(&rule_path).is_none()
+                && self.default_rules.get(&rule_path).is_none()
+            {
+                bail!(span.error("var is unsafe"));
+            }
             self.ensure_rule_evaluated(rule_path)?;
 
             let value = Self::get_value_chained(self.data.clone(), &path[..]);

src/lexer.rs

@@ -147,7 +147,7 @@ impl Source {
         let col_spaces = col as usize - 1;
 
         format!(
-            "\n-->{}:{}:{}\n{:<line_num_width$}|\n\
+            "\n--> {}:{}:{}\n{:<line_num_width$}|\n\
 		{:<line_num_width$}| {}\n\
 		{:<line_num_width$}| {:<col_spaces$}^\n\
 		{}: {}",

src/scheduler.rs

@@ -570,6 +570,15 @@ impl Analyzer {
                     } else {
                         gather_input_vars(expr, &self.scopes, scope)?;
                         gather_loop_vars(expr, &self.scopes, scope)?;
+
+                        let extra_arg = get_extra_arg(
+                            expr,
+                            Some(self.current_module_path.as_str()),
+                            &self.functions,
+                        );
+                        if let Some(ea) = extra_arg {
+                            gather_vars(&ea, false, &self.scopes, scope)?;
+                        }
                     }
                 }
                 Literal::Every { domain, .. } => {
@@ -600,19 +609,26 @@ impl Analyzer {
         scope: &mut Scope,
         first_use: &mut BTreeMap<SourceStr, Span>,
         definitions: &mut Vec<Definition<SourceStr>>,
-        return_arg: &Option<Ref<Expr>>,
+        assigned_vars: &Option<&BTreeSet<SourceStr>>,
     ) -> Result<(Vec<SourceStr>, Vec<Ref<Expr>>)> {
         let mut used_vars = vec![];
         let mut comprs = vec![];
         traverse(expr, &mut |e| match e.as_ref() {
             Var(v) if !matches!(*v.text(), "_" | "input" | "data") => {
                 let name = v.source_str();
+                let is_extra_arg = match assigned_vars {
+                    Some(vars) => vars.contains(&v.source_str()),
+                    _ => false,
+                };
+
                 if scope.locals.contains(&name)
                 /*|| scope.inputs.contains(name) */
                 {
-                    used_vars.push(name.clone());
-                    first_use.entry(name).or_insert(v.clone());
-                } else if !scope.inputs.contains(&name) && Some(e.clone()) != *return_arg {
+                    if !is_extra_arg {
+                        used_vars.push(name.clone());
+                        first_use.entry(name).or_insert(v.clone());
+                    }
+                } else if !scope.inputs.contains(&name) {
                     bail!(v.error(format!("use of undefined variable `{name}` is unsafe").as_str()));
                 }
                 Ok(false)
@@ -627,7 +643,7 @@ impl Analyzer {
                             scope,
                             first_use,
                             definitions,
-                            return_arg,
+                            assigned_vars,
                         )?;
                         definitions.push(Definition {
                             var: var.clone(),
@@ -992,30 +1008,42 @@ impl Analyzer {
                         &self.functions,
                     );
                     if let Some(ref ea) = extra_arg {
-                        if let Expr::Var(return_arg) = ea.as_ref() {
-                            let (mut used_vars, comprs) = Self::gather_used_vars_comprs_index_vars(
-                                expr,
-                                &mut scope,
-                                &mut first_use,
-                                &mut definitions,
-                                &extra_arg,
-                            )?;
-                            let var = if *return_arg.text() != "_" {
-                                // The var in the return argument slot would have been processed as
-                                // an used var. Remove it from used vars and add it as the variable being
-                                // defined.
-                                used_vars.pop();
-                                return_arg.source_str()
-                            } else {
-                                empty_str.clone()
-                            };
-                            self.process_comprs(
-                                &comprs[..],
-                                &mut scope,
-                                &mut first_use,
-                                &mut used_vars,
-                            )?;
-                            definitions.push(Definition { var, used_vars });
+                        // Gather vars that are being bound
+                        let mut extras_scope = Scope::default();
+                        gather_assigned_vars(ea, false, &self.scopes, &mut extras_scope)?;
+
+                        for var in &extras_scope.locals {
+                            scope.locals.insert(var.clone());
+                        }
+
+                        // Gather vars being used.
+                        let (mut used_vars, comprs) = Self::gather_used_vars_comprs_index_vars(
+                            expr,
+                            &mut scope,
+                            &mut first_use,
+                            &mut definitions,
+                            &Some(&extras_scope.locals),
+                        )?;
+
+                        self.process_comprs(
+                            &comprs[..],
+                            &mut scope,
+                            &mut first_use,
+                            &mut used_vars,
+                        )?;
+
+                        if !extras_scope.locals.is_empty() {
+                            for var in extras_scope.locals {
+                                definitions.push(Definition {
+                                    var,
+                                    used_vars: used_vars.clone(),
+                                });
+                            }
+                        } else {
+                            definitions.push(Definition {
+                                var: empty_str.clone(),
+                                used_vars,
+                            });
                         }
                     } else {
                         self.process_expr(expr, &mut scope, &mut first_use, &mut definitions)?;

tests/aci/aci.yaml

@@ -0,0 +1,390 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+cases:
+- note: aci/mount_device
+  modules:
+  - api.rego
+  - framework.rego
+  - policy.rego
+  input:
+    deviceHash: 1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766
+    target: /run/layers/p0-layer0
+  data:
+    metadata: {}
+  query: data.policy.mount_device=x
+  want_result: 
+  - x:
+      allowed: true
+      metadata:
+      - action: add
+        key: /run/layers/p0-layer0
+        name: devices
+        value: 1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766
+- note: aci/mount_overlay
+  modules:
+  - api.rego
+  - framework.rego
+  - policy.rego
+  input:
+    containerID: container0
+    layerPaths:
+    - /run/layers/p0-layer0
+    - /run/layers/p0-layer1
+    - /run/layers/p0-layer2
+    - /run/layers/p0-layer3
+    - /run/layers/p0-layer4
+    - /run/layers/p0-layer5
+    target: /run/gcs/c/container0/rootfs
+  data:
+    metadata:
+      devices:
+        "/run/layers/p0-layer0": 1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766
+        "/run/layers/p0-layer1": e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c
+        "/run/layers/p0-layer2": eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79
+        "/run/layers/p0-layer3": 41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156
+        "/run/layers/p0-layer4": 4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c
+        "/run/layers/p0-layer5": fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a
+  query: data.policy.mount_overlay=x
+  want_result:
+  - x:
+      allowed: true
+      metadata:
+      - action: add
+        key: container0
+        name: matches
+        value:
+        - {"allow_elevated":true,"allow_stdio_access":false,"capabilities":{"ambient":["CAP_SYS_ADMIN"],"bounding":["CAP_SYS_ADMIN"],"effective":["CAP_SYS_ADMIN"],"inheritable":["CAP_SYS_ADMIN"],"permitted":["CAP_SYS_ADMIN"]},"command":["rustc","--help"],"env_rules":[{"pattern":"PATH=/usr/local/cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","required":true,"strategy":"string"},{"pattern":"RUSTUP_HOME=/usr/local/rustup","required":true,"strategy":"string"},{"pattern":"CARGO_HOME=/usr/local/cargo","required":true,"strategy":"string"},{"pattern":"RUST_VERSION=1.52.1","required":true,"strategy":"string"},{"pattern":"TERM=xterm","required":false,"strategy":"string"},{"pattern":"PREFIX_.+=.+","required":false,"strategy":"re2"}],"exec_processes":[{"command":["top"],"signals":[]}],"layers":["fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a","4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c","41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156","eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79","e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c","1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766"],"mounts":[{"destination":"/container/path/one","options":["rbind","rshared","rw"],"source":"sandbox:///host/path/one","type":"bind"},{"destination":"/container/path/two","options":["rbind","rshared","ro"],"source":"sandbox:///host/path/two","type":"bind"}],"no_new_privileges":true,"seccomp_profile_sha256":"","signals":[],"user":{"group_idnames":[{"pattern":"","strategy":"any"}],"umask":"0022","user_idname":{"pattern":"","strategy":"any"}},"working_dir":"/home/user"}
+      - action: add
+        key: /run/gcs/c/container0/rootfs
+        name: overlayTargets
+        value: true
+- note: aci/scratch_mount
+  modules:
+  - api.rego
+  - framework.rego
+  - policy.rego
+  input:
+    encrypted: true
+    target: /mnt/layer6
+  data:
+    metadata: {}
+  query: data.policy.scratch_mount=x
+  want_result:
+  - x:
+      allowed: true
+      metadata:
+      - action: add
+        key: /mnt/layer6
+        name: scratch_mounts
+        value:
+          encrypted: true
+- note: aci/create_container
+  modules:
+  - api.rego
+  - framework.rego
+  - policy.rego
+  input:
+    argList:
+    - rustc
+    - --help
+    capabilities:
+      ambient: ["CAP_SYS_ADMIN"]
+      bounding: ["CAP_SYS_ADMIN"]
+      effective: ["CAP_SYS_ADMIN"]
+      inheritable: ["CAP_SYS_ADMIN"]
+      permitted: ["CAP_SYS_ADMIN"]
+    containerID: container0
+    envList:
+    - CARGO_HOME=/usr/local/cargo
+    - RUST_VERSION=1.52.1
+    - TERM=xterm
+    - PATH=/usr/local/cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+    - RUSTUP_HOME=/usr/local/rustup
+    groups:
+    - id: 0
+      name: root
+    hugePagesDir: /run/gcs/c/sandbox0/hugepages
+    mounts:
+    - destination: /container/path/one
+      options: ["rbind", "rshared", "rw"]
+      source: /run/gcs/c/sandbox0/sandboxMounts/host/path/one
+      type: bind
+    - destination: /container/path/two
+      options: ["rbind", "rshared", "ro"]
+      source: /run/gcs/c/sandbox0/sandboxMounts/host/path/two
+      type: bind
+    noNewPrivileges: true
+    privileged: false
+    seccompProfileSHA256: ""
+    sandboxDir: /run/gcs/c/sandbox0/sandboxMounts
+    umask: "0022"
+    user:
+      id: 0
+      name: root
+    workingDir: /home/user
+  data:
+    sandboxPrefix: "sandbox://"
+    hugePagesPrefix: "hugepages://"
+    plan9Prefix: "plan9://"
+    defaultMounts: []
+    privilegedMounts: []
+    defaultPrivilegedCapabilities:  
+      - CAP_CHOWN
+      - CAP_DAC_OVERRIDE
+      - CAP_DAC_READ_SEARCH
+      - CAP_FOWNER
+      - CAP_FSETID
+      - CAP_KILL
+      - CAP_SETGID
+      - CAP_SETUID
+      - CAP_SETPCAP
+      - CAP_LINUX_IMMUTABLE
+      - CAP_NET_BIND_SERVICE
+      - CAP_NET_BROADCAST
+      - CAP_NET_ADMIN
+      - CAP_NET_RAW
+      - CAP_IPC_LOCK
+      - CAP_IPC_OWNER
+      - CAP_SYS_MODULE
+      - CAP_SYS_RAWIO
+      - CAP_SYS_CHROOT
+      - CAP_SYS_PTRACE
+      - CAP_SYS_PACCT
+      - CAP_SYS_ADMIN
+      - CAP_SYS_BOOT
+      - CAP_SYS_NICE
+      - CAP_SYS_RESOURCE
+      - CAP_SYS_TIME
+      - CAP_SYS_TTY_CONFIG
+      - CAP_MKNOD
+      - CAP_LEASE
+      - CAP_AUDIT_WRITE
+      - CAP_AUDIT_CONTROL
+      - CAP_SETFCAP
+      - CAP_MAC_OVERRIDE
+      - CAP_MAC_ADMIN
+      - CAP_SYSLOG
+      - CAP_WAKE_ALARM
+      - CAP_BLOCK_SUSPEND
+      - CAP_AUDIT_READ
+      - CAP_PERFMON
+      - CAP_BPF
+      - CAP_CHECKPOINT_RESTORE
+    defaultUnprivilegedCapabilities:
+      - CAP_DAC_OVERRIDE
+      - CAP_FSETID
+      - CAP_FOWNER
+      - CAP_MKNOD
+      - CAP_NET_RAW
+      - CAP_SETGID
+      - CAP_SETUID
+      - CAP_SETFCAP
+      - CAP_SETPCAP
+      - CAP_NET_BIND_SERVICE
+      - CAP_SYS_CHROOT
+      - CAP_KILL
+      - CAP_AUDIT_WRITE
+    metadata:
+      devices:
+        "/run/layers/p0-layer0": 1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766
+        "/run/layers/p0-layer1": e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c
+        "/run/layers/p0-layer2": eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79
+        "/run/layers/p0-layer3": 41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156
+        "/run/layers/p0-layer4": 4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c
+        "/run/layers/p0-layer5": fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a
+      matches:
+        container0:
+        - {"allow_elevated":true,"allow_stdio_access":false,"capabilities":{"ambient":["CAP_SYS_ADMIN"],"bounding":["CAP_SYS_ADMIN"],"effective":["CAP_SYS_ADMIN"],"inheritable":["CAP_SYS_ADMIN"],"permitted":["CAP_SYS_ADMIN"]},"command":["rustc","--help"],"env_rules":[{"pattern":"PATH=/usr/local/cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","required":true,"strategy":"string"},{"pattern":"RUSTUP_HOME=/usr/local/rustup","required":true,"strategy":"string"},{"pattern":"CARGO_HOME=/usr/local/cargo","required":true,"strategy":"string"},{"pattern":"RUST_VERSION=1.52.1","required":true,"strategy":"string"},{"pattern":"TERM=xterm","required":false,"strategy":"string"},{"pattern":"PREFIX_.+=.+","required":false,"strategy":"re2"}],"exec_processes":[{"command":["top"],"signals":[]}],"layers":["fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a","4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c","41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156","eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79","e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c","1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766"],"mounts":[{"destination":"/container/path/one","options":["rbind","rshared","rw"],"source":"sandbox:///host/path/one","type":"bind"},{"destination":"/container/path/two","options":["rbind","rshared","ro"],"source":"sandbox:///host/path/two","type":"bind"}],"no_new_privileges":true,"seccomp_profile_sha256":"","signals":[],"user":{"group_idnames":[{"pattern":"","strategy":"any"}],"umask":"0022","user_idname":{"pattern":"","strategy":"any"}},"working_dir":"/home/user"}
+        - {"allow_elevated":false,"allow_stdio_access":false,"capabilities":null,"command":["rustc","--version"],"env_rules":[{"pattern":"PATH=/usr/local/cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","required":true,"strategy":"string"},{"pattern":"RUSTUP_HOME=/usr/local/rustup","required":true,"strategy":"string"},{"pattern":"CARGO_HOME=/usr/local/cargo","required":true,"strategy":"string"},{"pattern":"RUST_VERSION=1.52.1","required":true,"strategy":"string"},{"pattern":"TERM=xterm","required":false,"strategy":"string"}],"exec_processes":[{"command":["bash"],"signals":[]}],"layers":["fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a","4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c","41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156","eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79","e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c","1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766"],"mounts":[],"no_new_privileges":true,"seccomp_profile_sha256":"","signals":[],"user":{"group_idnames":[{"pattern":"","strategy":"any"}],"umask":"0022","user_idname":{"pattern":"","strategy":"any"}},"working_dir":"/home/fragment"}
+      overlayTargets:
+        "/run/gcs/c/container0/rootfs": true
+      scratch_mounts:
+        "/mnt/layer6":
+          encrypted: true
+  query: data.policy.create_container=x
+  want_result:
+  - x:
+      allow_stdio_access: false
+      allowed: true
+      caps_list:
+        ambient: ["CAP_SYS_ADMIN"]
+        bounding: ["CAP_SYS_ADMIN"]
+        effective: ["CAP_SYS_ADMIN"]
+        inheritable: ["CAP_SYS_ADMIN"]
+        permitted: ["CAP_SYS_ADMIN"]
+      env_list:
+      - CARGO_HOME=/usr/local/cargo
+      - RUST_VERSION=1.52.1
+      - TERM=xterm
+      - PATH=/usr/local/cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+      - RUSTUP_HOME=/usr/local/rustup
+      metadata:
+      - action: update
+        key: container0
+        name: matches
+        value:
+        - {"allow_elevated":true,"allow_stdio_access":false,"capabilities":{"ambient":["CAP_SYS_ADMIN"],"bounding":["CAP_SYS_ADMIN"],"effective":["CAP_SYS_ADMIN"],"inheritable":["CAP_SYS_ADMIN"],"permitted":["CAP_SYS_ADMIN"]},"command":["rustc","--help"],"env_rules":[{"pattern":"PATH=/usr/local/cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","required":true,"strategy":"string"},{"pattern":"RUSTUP_HOME=/usr/local/rustup","required":true,"strategy":"string"},{"pattern":"CARGO_HOME=/usr/local/cargo","required":true,"strategy":"string"},{"pattern":"RUST_VERSION=1.52.1","required":true,"strategy":"string"},{"pattern":"TERM=xterm","required":false,"strategy":"string"},{"pattern":"PREFIX_.+=.+","required":false,"strategy":"re2"}],"exec_processes":[{"command":["top"],"signals":[]}],"layers":["fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a","4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c","41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156","eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79","e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c","1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766"],"mounts":[{"destination":"/container/path/one","options":["rbind","rshared","rw"],"source":"sandbox:///host/path/one","type":"bind"},{"destination":"/container/path/two","options":["rbind","rshared","ro"],"source":"sandbox:///host/path/two","type":"bind"}],"no_new_privileges":true,"seccomp_profile_sha256":"","signals":[],"user":{"group_idnames":[{"pattern":"","strategy":"any"}],"umask":"0022","user_idname":{"pattern":"","strategy":"any"}},"working_dir":"/home/user"}
+      - action: add
+        key: container0
+        name: started
+        value:
+          privileged: false
+- note: aci/shutdown_container
+  modules:
+  - api.rego
+  - framework.rego
+  - policy.rego
+  input:
+    containerID: container0
+  data:
+    metadata:
+      devices:
+        "/run/layers/p0-layer0": 1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766
+        "/run/layers/p0-layer1": e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c
+        "/run/layers/p0-layer2": eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79
+        "/run/layers/p0-layer3": 41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156
+        "/run/layers/p0-layer4": 4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c
+        "/run/layers/p0-layer5": fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a
+      matches:
+        container0:
+        - {"allow_elevated":true,"allow_stdio_access":false,"capabilities":{"ambient":["CAP_SYS_ADMIN"],"bounding":["CAP_SYS_ADMIN"],"effective":["CAP_SYS_ADMIN"],"inheritable":["CAP_SYS_ADMIN"],"permitted":["CAP_SYS_ADMIN"]},"command":["rustc","--help"],"env_rules":[{"pattern":"PATH=/usr/local/cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","required":true,"strategy":"string"},{"pattern":"RUSTUP_HOME=/usr/local/rustup","required":true,"strategy":"string"},{"pattern":"CARGO_HOME=/usr/local/cargo","required":true,"strategy":"string"},{"pattern":"RUST_VERSION=1.52.1","required":true,"strategy":"string"},{"pattern":"TERM=xterm","required":false,"strategy":"string"},{"pattern":"PREFIX_.+=.+","required":false,"strategy":"re2"}],"exec_processes":[{"command":["top"],"signals":[]}],"layers":["fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a","4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c","41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156","eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79","e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c","1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766"],"mounts":[{"destination":"/container/path/one","options":["rbind","rshared","rw"],"source":"sandbox:///host/path/one","type":"bind"},{"destination":"/container/path/two","options":["rbind","rshared","ro"],"source":"sandbox:///host/path/two","type":"bind"}],"no_new_privileges":true,"seccomp_profile_sha256":"","signals":[],"user":{"group_idnames":[{"pattern":"","strategy":"any"}],"umask":"0022","user_idname":{"pattern":"","strategy":"any"}},"working_dir":"/home/user"}
+        - {"allow_elevated":false,"allow_stdio_access":false,"capabilities":null,"command":["rustc","--version"],"env_rules":[{"pattern":"PATH=/usr/local/cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","required":true,"strategy":"string"},{"pattern":"RUSTUP_HOME=/usr/local/rustup","required":true,"strategy":"string"},{"pattern":"CARGO_HOME=/usr/local/cargo","required":true,"strategy":"string"},{"pattern":"RUST_VERSION=1.52.1","required":true,"strategy":"string"},{"pattern":"TERM=xterm","required":false,"strategy":"string"}],"exec_processes":[{"command":["bash"],"signals":[]}],"layers":["fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a","4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c","41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156","eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79","e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c","1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766"],"mounts":[],"no_new_privileges":true,"seccomp_profile_sha256":"","signals":[],"user":{"group_idnames":[{"pattern":"","strategy":"any"}],"umask":"0022","user_idname":{"pattern":"","strategy":"any"}},"working_dir":"/home/fragment"}
+      overlayTargets:
+        "/run/gcs/c/container0/rootfs": true
+      scratch_mounts:
+        "/mnt/layer6":
+          encrypted: true
+      started:
+        container0:
+        - {"privileged": false}
+  query: data.policy.shutdown_container=x
+  want_result:
+  - x:
+      allowed: true
+      metadata:
+      - action: remove
+        key: container0
+        name: matches
+- note: aci/scratch_unmount
+  modules:
+  - api.rego
+  - framework.rego
+  - policy.rego
+  input:
+    unmountTarget: /mnt/layer6
+  data:
+    metadata:
+      devices:
+        "/run/layers/p0-layer0": 1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766
+        "/run/layers/p0-layer1": e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c
+        "/run/layers/p0-layer2": eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79
+        "/run/layers/p0-layer3": 41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156
+        "/run/layers/p0-layer4": 4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c
+        "/run/layers/p0-layer5": fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a
+      overlayTargets:
+        "/run/gcs/c/container0/rootfs": true
+      scratch_mounts:
+        "/mnt/layer6":
+          encrypted: true
+  query: data.policy.scratch_unmount=x
+  want_result:
+  - x:
+      allowed: true
+      metadata:
+      - action: remove
+        key: /mnt/layer6
+        name: scratch_mounts
+- note: aci/unmount_overlay
+  modules:
+  - api.rego
+  - framework.rego
+  - policy.rego
+  input:
+    unmountTarget: /run/gcs/c/container0/rootfs
+  data:
+    metadata:
+      devices:
+        "/run/layers/p0-layer0": 1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766
+        "/run/layers/p0-layer1": e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c
+        "/run/layers/p0-layer2": eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79
+        "/run/layers/p0-layer3": 41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156
+        "/run/layers/p0-layer4": 4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c
+        "/run/layers/p0-layer5": fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a
+      overlayTargets:
+        "/run/gcs/c/container0/rootfs": true
+      scratch_mounts: []
+  query: data.policy.unmount_overlay=x
+  want_result:
+  - x:
+      allowed: true
+      metadata:
+      - action: remove
+        key: /run/gcs/c/container0/rootfs
+        name: overlayTargets
+- note: aci/unmount_device
+  modules:
+  - api.rego
+  - framework.rego
+  - policy.rego
+  input:
+    unmountTarget: /run/layers/p0-layer0
+  data:
+    metadata:
+      devices:
+        "/run/layers/p0-layer0": 1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766
+  query: data.policy.unmount_device=x
+  want_result:
+  - x:
+      allowed: true
+      metadata:
+      - action: remove
+        key: /run/layers/p0-layer0
+        name: devices
+- note: aci/load_fragment
+  modules:
+  - api.rego
+  - framework.rego
+  - policy.rego
+  - |
+      package fragment
+
+      svn := "1"
+      framework_version := "0.3.0"
+
+      containers := [
+          {
+              "command": ["rustc","--version"],
+              "env_rules": [{"pattern": `PATH=/usr/local/cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin`, "strategy": "string", "required": true},{"pattern": `RUSTUP_HOME=/usr/local/rustup`, "strategy": "string", "required": true},{"pattern": `CARGO_HOME=/usr/local/cargo`, "strategy": "string", "required": true},{"pattern": `RUST_VERSION=1.52.1`, "strategy": "string", "required": true},{"pattern": `TERM=xterm`, "strategy": "string", "required": false}],
+              "layers": ["fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a","4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c","41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156","eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79","e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c","1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766"],
+              "mounts": [],
+              "exec_processes": [{"command": ["bash"], "signals": []}],
+              "signals": [],
+              "user": {
+                  "user_idname": {"pattern": ``, "strategy": "any"},
+                  "group_idnames": [{"pattern": ``, "strategy": "any"}],
+                  "umask": "0022"
+              },
+              "capabilities": null,
+              "seccomp_profile_sha256": "",
+              "allow_elevated": false,
+              "working_dir": "/home/fragment",
+              "allow_stdio_access": false,
+              "no_new_privileges": true,
+          },
+      ]
+  input:
+    feed: contoso.azurecr.io/infra
+    issuer: did:web:contoso.com
+    namespace: fragment
+  data:
+    metadata: {}
+  query: data.policy.load_fragment=x
+  want_result:
+  - x: 
+      add_module: false
+      allowed: true
+      metadata:
+      - action: update
+        key: did:web:contoso.com
+        name: issuers
+        value: {"feeds":{"contoso.azurecr.io/infra":[{"containers":[{"allow_elevated":false,"allow_stdio_access":false,"capabilities":null,"command":["rustc","--version"],"env_rules":[{"pattern":"PATH=/usr/local/cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin","required":true,"strategy":"string"},{"pattern":"RUSTUP_HOME=/usr/local/rustup","required":true,"strategy":"string"},{"pattern":"CARGO_HOME=/usr/local/cargo","required":true,"strategy":"string"},{"pattern":"RUST_VERSION=1.52.1","required":true,"strategy":"string"},{"pattern":"TERM=xterm","required":false,"strategy":"string"}],"exec_processes":[{"command":["bash"],"signals":[]}],"layers":["fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a","4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c","41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156","eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79","e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c","1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766"],"mounts":[],"no_new_privileges":true,"seccomp_profile_sha256":"","signals":[],"user":{"group_idnames":[{"pattern":"","strategy":"any"}],"umask":"0022","user_idname":{"pattern":"","strategy":"any"}},"working_dir":"/home/fragment"}]}]}}

tests/aci/api.rego

@@ -0,0 +1,26 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+package api
+
+version := "0.10.0"
+
+enforcement_points := {
+    "mount_device": {"introducedVersion": "0.1.0", "default_results": {"allowed": false}},
+    "mount_overlay": {"introducedVersion": "0.1.0", "default_results": {"allowed": false}},
+    "create_container": {"introducedVersion": "0.1.0", "default_results": {"allowed": false, "env_list": null, "allow_stdio_access": false}},
+    "unmount_device": {"introducedVersion": "0.2.0", "default_results": {"allowed": true}},
+    "unmount_overlay": {"introducedVersion": "0.6.0", "default_results": {"allowed": true}},
+    "exec_in_container": {"introducedVersion": "0.2.0", "default_results": {"allowed": true, "env_list": null}},
+    "exec_external": {"introducedVersion": "0.3.0", "default_results": {"allowed": true, "env_list": null, "allow_stdio_access": false}},
+    "shutdown_container": {"introducedVersion": "0.4.0", "default_results": {"allowed": true}},
+    "signal_container_process": {"introducedVersion": "0.5.0", "default_results": {"allowed": true}},
+    "plan9_mount": {"introducedVersion": "0.6.0", "default_results": {"allowed": true}},
+    "plan9_unmount": {"introducedVersion": "0.6.0", "default_results": {"allowed": true}},
+    "get_properties": {"introducedVersion": "0.7.0", "default_results": {"allowed": true}},
+    "dump_stacks": {"introducedVersion": "0.7.0", "default_results": {"allowed": true}},
+    "runtime_logging": {"introducedVersion": "0.8.0", "default_results": {"allowed": true}},
+    "load_fragment": {"introducedVersion": "0.9.0", "default_results": {"allowed": false, "add_module": false}},
+    "scratch_mount": {"introducedVersion": "0.10.0", "default_results": {"allowed": true}},
+    "scratch_unmount": {"introducedVersion": "0.10.0", "default_results": {"allowed": true}},
+}

tests/aci/main.rs

@@ -0,0 +1,120 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+use regorus::*;
+
+use std::path::Path;
+use std::time::Instant;
+
+use anyhow::Result;
+use clap::Parser;
+use serde::{Deserialize, Serialize};
+use walkdir::WalkDir;
+
+#[derive(Serialize, Deserialize, PartialEq, Debug)]
+struct TestCase {
+    note: String,
+    data: Value,
+    input: Value,
+    modules: Vec<String>,
+    query: String,
+    want_result: Value,
+}
+
+#[derive(Serialize, Deserialize, PartialEq, Debug)]
+struct YamlTest {
+    cases: Vec<TestCase>,
+}
+
+fn eval_test_case(dir: &Path, case: &TestCase) -> Result<Value> {
+    let mut engine = Engine::new();
+
+    engine.add_data(case.data.clone())?;
+    engine.set_input(case.input.clone());
+
+    for (idx, rego) in case.modules.iter().enumerate() {
+        if rego.ends_with(".rego") {
+            let path = dir.join(rego);
+            let path = path.to_str().expect("not a valid path");
+            engine.add_policy_from_file(path.to_string())?;
+        } else {
+            engine.add_policy(format!("rego{idx}.rego"), rego.clone())?;
+        }
+    }
+
+    let query_results = engine.eval_query(case.query.clone(), true)?;
+
+    let mut values = vec![];
+    for qr in query_results.result {
+        values.push(if !qr.bindings.is_empty_object() {
+            qr.bindings.clone()
+        } else if let Some(v) = qr.expressions.last() {
+            v["value"].clone()
+        } else {
+            Value::Undefined
+        });
+    }
+    let result = Value::from_array(values);
+    // Make result json compatible. (E.g: avoid sets).
+    Value::from_json_str(&result.to_string())
+}
+
+fn run_aci_tests(dir: &Path) -> Result<()> {
+    let mut nfailures = 0;
+    for entry in WalkDir::new(dir)
+        .sort_by_file_name()
+        .into_iter()
+        .filter_map(|e| e.ok())
+    {
+        let path = entry.path();
+        if !path.to_string_lossy().ends_with(".yaml") {
+            continue;
+        }
+
+        let yaml = std::fs::read(&path)?;
+        let yaml = String::from_utf8_lossy(&yaml);
+        let test: YamlTest = serde_yaml::from_str(&yaml)?;
+
+        for case in &test.cases {
+            print!("{:50}", case.note);
+            let start = Instant::now();
+            let results = eval_test_case(dir, case);
+            let duration = start.elapsed();
+
+            match results {
+                Ok(actual) if actual == case.want_result => {
+                    println!("passed    {:?}", duration);
+                }
+                Ok(actual) => {
+                    println!("failed    {:?}", duration);
+                    println!("ACTUAL:");
+                    println!("{}", serde_json::to_string(&actual)?);
+                    println!("EXPECTED");
+                    println!("{}", serde_json::to_string(&case.want_result)?);
+                    nfailures += 1;
+                }
+                Err(e) => {
+                    println!("failed    {:?}", duration);
+                    println!("{e}");
+                    nfailures += 1;
+                }
+            }
+        }
+    }
+    assert!(nfailures == 0);
+
+    Ok(())
+}
+
+#[derive(clap::Parser)]
+#[command(author, version, about, long_about = None)]
+struct Cli {
+    /// Path to ACI test suite.
+    #[arg(long, short)]
+    #[clap(default_value = "tests/aci")]
+    test_dir: String,
+}
+
+fn main() -> Result<()> {
+    let cli = Cli::parse();
+    run_aci_tests(&Path::new(&cli.test_dir))
+}

tests/aci/policy.rego

@@ -0,0 +1,89 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+package policy
+
+api_version := "0.10.0"
+framework_version := "0.3.0"
+
+fragments := [
+    {"issuer": "did:web:contoso.com", "feed": "contoso.azurecr.io/infra", "minimum_svn": "1", "includes": ["containers"]},
+]
+containers := [
+    {
+        "command": ["rustc","--help"],
+        "env_rules": [{"pattern": `PATH=/usr/local/cargo/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin`, "strategy": "string", "required": true},{"pattern": `RUSTUP_HOME=/usr/local/rustup`, "strategy": "string", "required": true},{"pattern": `CARGO_HOME=/usr/local/cargo`, "strategy": "string", "required": true},{"pattern": `RUST_VERSION=1.52.1`, "strategy": "string", "required": true},{"pattern": `TERM=xterm`, "strategy": "string", "required": false},{"pattern": `PREFIX_.+=.+`, "strategy": "re2", "required": false}],
+        "layers": ["fe84c9d5bfddd07a2624d00333cf13c1a9c941f3a261f13ead44fc6a93bc0e7a","4dedae42847c704da891a28c25d32201a1ae440bce2aecccfa8e6f03b97a6a6c","41d64cdeb347bf236b4c13b7403b633ff11f1cf94dbc7cf881a44d6da88c5156","eb36921e1f82af46dfe248ef8f1b3afb6a5230a64181d960d10237a08cd73c79","e769d7487cc314d3ee748a4440805317c19262c7acd2fdbdb0d47d2e4613a15c","1b80f120dbd88e4355d6241b519c3e25290215c469516b49dece9cf07175a766"],
+        "mounts": [{"destination": "/container/path/one", "options": ["rbind","rshared","rw"], "source": "sandbox:///host/path/one", "type": "bind"},{"destination": "/container/path/two", "options": ["rbind","rshared","ro"], "source": "sandbox:///host/path/two", "type": "bind"}],
+        "exec_processes": [{"command": ["top"], "signals": []}],
+        "signals": [],
+        "user": {
+            "user_idname": {"pattern": ``, "strategy": "any"},
+            "group_idnames": [{"pattern": ``, "strategy": "any"}],
+            "umask": "0022"
+        },
+        "capabilities": {
+            "bounding": ["CAP_SYS_ADMIN"],
+            "effective": ["CAP_SYS_ADMIN"],
+            "inheritable": ["CAP_SYS_ADMIN"],
+            "permitted": ["CAP_SYS_ADMIN"],
+            "ambient": ["CAP_SYS_ADMIN"],
+        },
+        "seccomp_profile_sha256": "",
+        "allow_elevated": true,
+        "working_dir": "/home/user",
+        "allow_stdio_access": false,
+        "no_new_privileges": true,
+    },
+    {
+        "command": ["/pause"],
+        "env_rules": [{"pattern": `PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin`, "strategy": "string", "required": true},{"pattern": `TERM=xterm`, "strategy": "string", "required": false}],
+        "layers": ["16b514057a06ad665f92c02863aca074fd5976c755d26bff16365299169e8415"],
+        "mounts": [],
+        "exec_processes": [],
+        "signals": [],
+        "user": {
+            "user_idname": {"pattern": ``, "strategy": "any"},
+            "group_idnames": [{"pattern": ``, "strategy": "any"}],
+            "umask": "0022"
+        },
+        "capabilities": null,
+        "seccomp_profile_sha256": "",
+        "allow_elevated": false,
+        "working_dir": "/",
+        "allow_stdio_access": false,
+        "no_new_privileges": true,
+    },
+]
+external_processes := [
+    {"command": ["bash"], "env_rules": [{"pattern": `PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin`, "strategy": "string", "required": true}], "working_dir": "/", "allow_stdio_access": false},
+]
+allow_properties_access := false
+allow_dump_stacks := false
+allow_runtime_logging := false
+allow_environment_variable_dropping := false
+allow_unencrypted_scratch := false
+allow_capability_dropping := true
+
+
+mount_device := data.framework.mount_device
+unmount_device := data.framework.unmount_device
+mount_overlay := data.framework.mount_overlay
+unmount_overlay := data.framework.unmount_overlay
+create_container := data.framework.create_container
+exec_in_container := data.framework.exec_in_container
+exec_external := data.framework.exec_external
+shutdown_container := data.framework.shutdown_container
+signal_container_process := data.framework.signal_container_process
+plan9_mount := data.framework.plan9_mount
+plan9_unmount := data.framework.plan9_unmount
+get_properties := data.framework.get_properties
+dump_stacks := data.framework.dump_stacks
+runtime_logging := data.framework.runtime_logging
+load_fragment := data.framework.load_fragment
+scratch_mount := data.framework.scratch_mount
+scratch_unmount := data.framework.scratch_unmount
+reason := {
+    "errors": data.framework.errors,
+    "error_objects": data.framework.error_objects,
+}

tests/opa.passing

@@ -16,6 +16,7 @@ embeddedvirtualdoc
 evaltermexpr
 example
 fix1863
+indexing
 intersection
 invalidkeyerror
 jsonfilteridempotent
@@ -26,6 +27,9 @@ objectremoveidempotent
 objectremovenonstringkey
 partialsetdoc
 rand
+regexisvalid
+regexmatch
+regexsplit
 replacen
 semvercompare
 sets
@@ -35,8 +39,10 @@ trim
 trimleft
 trimprefix
 trimright
+trimspace
 trimsuffix
 typebuiltin
 typenamebuiltin
+undos
 union
 units

tests/opa.rs

@@ -121,7 +121,12 @@ fn run_opa_tests(opa_tests_dir: String, folders: &[String]) -> Result<()> {
                 }
                 (r, _) => {
                     print!("\n{} failed.", case.note);
-                    dbg!((&case, &r));
+                    println!("{}", serde_yaml::to_string(&case)?);
+                    match &r {
+                        Ok(actual) => println!("GOT\n{}", serde_yaml::to_string(&actual)?),
+                        Err(e) => println!("ERROR: {e}"),
+                    }
+
                     if let Err(e) = r {
                         let msg = e.to_string();
                         let pat = "could not find function ";