Merge branch 'main' into experimental-manually-check-request-verb

This commit is contained in:
thiggy1342
2022-07-18 10:58:13 -04:00
committed by GitHub
121 changed files with 2656 additions and 290 deletions

View File

@@ -1556,6 +1556,35 @@ constants/constants.rb:
# 73| getAnOperand/getLeftOperand: [ClassVariableAccess] @@fourty_six
# 73| getAnOperand/getRightOperand: [ConstantReadAccess] FOURTY_SIX
# 73| getScopeExpr: [ConstantReadAccess] Mod3
# 78| getStmt: [AssignExpr] ... = ...
# 78| getAnOperand/getLeftOperand: [LocalVariableAccess] a
# 78| getAnOperand/getRightOperand: [ArrayLiteral] [...]
# 78| getElement: [IntegerLiteral] 1
# 78| getElement: [IntegerLiteral] 2
# 78| getElement: [IntegerLiteral] 3
# 79| getStmt: [AssignExpr] ... = ...
# 79| getAnOperand/getLeftOperand: [ConstantAssignment] A
# 79| getAnOperand/getRightOperand: [ArrayLiteral] [...]
# 79| getElement: [IntegerLiteral] 1
# 79| getElement: [IntegerLiteral] 2
# 79| getElement: [IntegerLiteral] 3
# 80| getStmt: [AssignExpr] ... = ...
# 80| getAnOperand/getLeftOperand: [ConstantAssignment] B
# 80| getAnOperand/getRightOperand: [LocalVariableAccess] a
# 81| getStmt: [AssignExpr] ... = ...
# 81| getAnOperand/getLeftOperand: [ConstantAssignment] C
# 81| getAnOperand/getRightOperand: [ConstantReadAccess] A
# 82| getStmt: [AssignExpr] ... = ...
# 82| getAnOperand/getLeftOperand: [LocalVariableAccess] b
# 82| getAnOperand/getRightOperand: [ConstantReadAccess] B
# 84| getStmt: [IfExpr] if ...
# 84| getCondition: [MethodCall] call to condition
# 84| getReceiver: [SelfVariableAccess] self
# 84| getBranch/getThen: [StmtSequence] then ...
# 85| getStmt: [AssignExpr] ... = ...
# 85| getAnOperand/getLeftOperand: [LocalVariableAccess] c
# 85| getAnOperand/getRightOperand: [LocalVariableAccess] b
# 87| getStmt: [LocalVariableAccess] c
escape_sequences/escapes.rb:
# 1| [Toplevel] escapes.rb
# 6| getStmt: [StringLiteral] "\'"

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@@ -336,6 +336,18 @@ constants/constants.rb:
# 20| getComponent: [StringTextComponent] Chuck
# 20| getArgument: [StringLiteral] "Dave"
# 20| getComponent: [StringTextComponent] Dave
# 78| [ArrayLiteral] [...]
# 78| getDesugared: [MethodCall] call to []
# 78| getReceiver: [ConstantReadAccess] Array
# 78| getArgument: [IntegerLiteral] 1
# 78| getArgument: [IntegerLiteral] 2
# 78| getArgument: [IntegerLiteral] 3
# 79| [ArrayLiteral] [...]
# 79| getDesugared: [MethodCall] call to []
# 79| getReceiver: [ConstantReadAccess] Array
# 79| getArgument: [IntegerLiteral] 1
# 79| getArgument: [IntegerLiteral] 2
# 79| getArgument: [IntegerLiteral] 3
escape_sequences/escapes.rb:
# 58| [ArrayLiteral] %w(...)
# 58| getDesugared: [MethodCall] call to []

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@@ -1656,10 +1656,56 @@ constants/constants.rb:
# 73| 1: [ReservedWord] ::
# 73| 2: [Constant] FOURTY_SIX
# 74| 5: [ReservedWord] end
# 78| 13: [Assignment] Assignment
# 78| 0: [Identifier] a
# 78| 1: [ReservedWord] =
# 78| 2: [Array] Array
# 78| 0: [ReservedWord] [
# 78| 1: [Integer] 1
# 78| 2: [ReservedWord] ,
# 78| 3: [Integer] 2
# 78| 4: [ReservedWord] ,
# 78| 5: [Integer] 3
# 78| 6: [ReservedWord] ]
# 79| 14: [Assignment] Assignment
# 79| 0: [Constant] A
# 79| 1: [ReservedWord] =
# 79| 2: [Array] Array
# 79| 0: [ReservedWord] [
# 79| 1: [Integer] 1
# 79| 2: [ReservedWord] ,
# 79| 3: [Integer] 2
# 79| 4: [ReservedWord] ,
# 79| 5: [Integer] 3
# 79| 6: [ReservedWord] ]
# 80| 15: [Assignment] Assignment
# 80| 0: [Constant] B
# 80| 1: [ReservedWord] =
# 80| 2: [Identifier] a
# 81| 16: [Assignment] Assignment
# 81| 0: [Constant] C
# 81| 1: [ReservedWord] =
# 81| 2: [Constant] A
# 82| 17: [Assignment] Assignment
# 82| 0: [Identifier] b
# 82| 1: [ReservedWord] =
# 82| 2: [Constant] B
# 84| 18: [If] If
# 84| 0: [ReservedWord] if
# 84| 1: [Identifier] condition
# 84| 2: [Then] Then
# 85| 0: [Assignment] Assignment
# 85| 0: [Identifier] c
# 85| 1: [ReservedWord] =
# 85| 2: [Identifier] b
# 86| 3: [ReservedWord] end
# 87| 19: [Identifier] c
# 26| [Comment] # A call to Kernel::Array; despite beginning with an upper-case character,
# 27| [Comment] # we don't consider this to be a constant access.
# 55| [Comment] # refers to ::ModuleA::FOURTY_FOUR
# 57| [Comment] # refers to ::ModuleA::ModuleB::ClassB::FOURTY_FOUR
# 76| [Comment] # Array constants
# 87| [Comment] # not recognised
control/cases.rb:
# 1| [Program] Program
# 2| 0: [Assignment] Assignment

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@@ -109,6 +109,12 @@ exprValue
| constants/constants.rb:63:19:63:20 | 45 | 45 | int |
| constants/constants.rb:65:19:65:35 | FOURTY_FIVE | 45 | int |
| constants/constants.rb:71:18:71:19 | 46 | 46 | int |
| constants/constants.rb:78:6:78:6 | 1 | 1 | int |
| constants/constants.rb:78:9:78:9 | 2 | 2 | int |
| constants/constants.rb:78:12:78:12 | 3 | 3 | int |
| constants/constants.rb:79:6:79:6 | 1 | 1 | int |
| constants/constants.rb:79:9:79:9 | 2 | 2 | int |
| constants/constants.rb:79:12:79:12 | 3 | 3 | int |
| control/cases.rb:2:5:2:5 | 0 | 0 | int |
| control/cases.rb:3:5:3:5 | 0 | 0 | int |
| control/cases.rb:4:5:4:5 | 0 | 0 | int |
@@ -1004,6 +1010,12 @@ exprCfgNodeValue
| constants/constants.rb:63:19:63:20 | 45 | 45 | int |
| constants/constants.rb:65:19:65:35 | FOURTY_FIVE | 45 | int |
| constants/constants.rb:71:18:71:19 | 46 | 46 | int |
| constants/constants.rb:78:6:78:6 | 1 | 1 | int |
| constants/constants.rb:78:9:78:9 | 2 | 2 | int |
| constants/constants.rb:78:12:78:12 | 3 | 3 | int |
| constants/constants.rb:79:6:79:6 | 1 | 1 | int |
| constants/constants.rb:79:9:79:9 | 2 | 2 | int |
| constants/constants.rb:79:12:79:12 | 3 | 3 | int |
| control/cases.rb:2:5:2:5 | 0 | 0 | int |
| control/cases.rb:3:5:3:5 | 0 | 0 | int |
| control/cases.rb:4:5:4:5 | 0 | 0 | int |

View File

@@ -61,6 +61,13 @@ constantAccess
| constants.rb:71:5:71:14 | FOURTY_SIX | write | FOURTY_SIX | ConstantAssignment |
| constants.rb:73:18:73:21 | Mod3 | read | Mod3 | ConstantReadAccess |
| constants.rb:73:18:73:33 | FOURTY_SIX | read | FOURTY_SIX | ConstantReadAccess |
| constants.rb:78:5:78:13 | Array | read | Array | ConstantReadAccess |
| constants.rb:79:1:79:1 | A | write | A | ConstantAssignment |
| constants.rb:79:5:79:13 | Array | read | Array | ConstantReadAccess |
| constants.rb:80:1:80:1 | B | write | B | ConstantAssignment |
| constants.rb:81:1:81:1 | C | write | C | ConstantAssignment |
| constants.rb:81:5:81:5 | A | read | A | ConstantReadAccess |
| constants.rb:82:5:82:5 | B | read | B | ConstantReadAccess |
getConst
| constants.rb:1:1:15:3 | ModuleA | CONST_B | constants.rb:6:15:6:23 | "const_b" |
| constants.rb:1:1:15:3 | ModuleA | FOURTY_FOUR | constants.rb:53:17:53:29 | "fourty-four" |
@@ -71,23 +78,41 @@ getConst
| constants.rb:54:3:58:5 | ModuleA::ModuleB::ClassB | FOURTY_ONE | constants.rb:48:18:48:19 | 41 |
| constants.rb:62:3:64:5 | Mod1::Mod3 | FOURTY_FIVE | constants.rb:63:19:63:20 | 45 |
| constants.rb:70:3:72:5 | Mod1::Mod3::Mod5 | FOURTY_SIX | constants.rb:71:18:71:19 | 46 |
| file://:0:0:0:0 | Object | A | constants.rb:79:5:79:13 | [...] |
| file://:0:0:0:0 | Object | B | constants.rb:80:5:80:5 | a |
| file://:0:0:0:0 | Object | C | constants.rb:81:5:81:5 | A |
| file://:0:0:0:0 | Object | GREETING | constants.rb:17:12:17:64 | ... + ... |
lookupConst
| constants.rb:1:1:15:3 | ModuleA | CONST_B | constants.rb:6:15:6:23 | "const_b" |
| constants.rb:1:1:15:3 | ModuleA | FOURTY_FOUR | constants.rb:53:17:53:29 | "fourty-four" |
| constants.rb:2:5:4:7 | ModuleA::ClassA | A | constants.rb:79:5:79:13 | [...] |
| constants.rb:2:5:4:7 | ModuleA::ClassA | B | constants.rb:80:5:80:5 | a |
| constants.rb:2:5:4:7 | ModuleA::ClassA | C | constants.rb:81:5:81:5 | A |
| constants.rb:2:5:4:7 | ModuleA::ClassA | CONST_A | constants.rb:3:19:3:27 | "const_a" |
| constants.rb:2:5:4:7 | ModuleA::ClassA | GREETING | constants.rb:17:12:17:64 | ... + ... |
| constants.rb:8:5:14:7 | ModuleA::ModuleB | MAX_SIZE | constants.rb:39:30:39:33 | 1024 |
| constants.rb:12:9:13:11 | ModuleA::ModuleB::ClassC | A | constants.rb:79:5:79:13 | [...] |
| constants.rb:12:9:13:11 | ModuleA::ModuleB::ClassC | B | constants.rb:80:5:80:5 | a |
| constants.rb:12:9:13:11 | ModuleA::ModuleB::ClassC | C | constants.rb:81:5:81:5 | A |
| constants.rb:12:9:13:11 | ModuleA::ModuleB::ClassC | GREETING | constants.rb:17:12:17:64 | ... + ... |
| constants.rb:31:1:33:3 | ModuleA::ClassD | A | constants.rb:79:5:79:13 | [...] |
| constants.rb:31:1:33:3 | ModuleA::ClassD | B | constants.rb:80:5:80:5 | a |
| constants.rb:31:1:33:3 | ModuleA::ClassD | C | constants.rb:81:5:81:5 | A |
| constants.rb:31:1:33:3 | ModuleA::ClassD | CONST_A | constants.rb:3:19:3:27 | "const_a" |
| constants.rb:31:1:33:3 | ModuleA::ClassD | FOURTY_TWO | constants.rb:32:16:32:17 | 42 |
| constants.rb:31:1:33:3 | ModuleA::ClassD | GREETING | constants.rb:17:12:17:64 | ... + ... |
| constants.rb:35:1:37:3 | ModuleA::ModuleC | FOURTY_THREE | constants.rb:36:18:36:19 | 43 |
| constants.rb:54:3:58:5 | ModuleA::ModuleB::ClassB | A | constants.rb:79:5:79:13 | [...] |
| constants.rb:54:3:58:5 | ModuleA::ModuleB::ClassB | B | constants.rb:80:5:80:5 | a |
| constants.rb:54:3:58:5 | ModuleA::ModuleB::ClassB | C | constants.rb:81:5:81:5 | A |
| constants.rb:54:3:58:5 | ModuleA::ModuleB::ClassB | FOURTY_FOUR | constants.rb:56:19:56:20 | 44 |
| constants.rb:54:3:58:5 | ModuleA::ModuleB::ClassB | FOURTY_ONE | constants.rb:48:18:48:19 | 41 |
| constants.rb:54:3:58:5 | ModuleA::ModuleB::ClassB | GREETING | constants.rb:17:12:17:64 | ... + ... |
| constants.rb:62:3:64:5 | Mod1::Mod3 | FOURTY_FIVE | constants.rb:63:19:63:20 | 45 |
| constants.rb:70:3:72:5 | Mod1::Mod3::Mod5 | FOURTY_SIX | constants.rb:71:18:71:19 | 46 |
| file://:0:0:0:0 | Object | A | constants.rb:79:5:79:13 | [...] |
| file://:0:0:0:0 | Object | B | constants.rb:80:5:80:5 | a |
| file://:0:0:0:0 | Object | C | constants.rb:81:5:81:5 | A |
| file://:0:0:0:0 | Object | GREETING | constants.rb:17:12:17:64 | ... + ... |
constantValue
| constants.rb:17:22:17:45 | CONST_A | constants.rb:3:19:3:27 | "const_a" |
@@ -101,6 +126,8 @@ constantValue
| constants.rb:57:21:57:31 | FOURTY_FOUR | constants.rb:53:17:53:29 | "fourty-four" |
| constants.rb:57:21:57:31 | FOURTY_FOUR | constants.rb:56:19:56:20 | 44 |
| constants.rb:65:19:65:35 | FOURTY_FIVE | constants.rb:63:19:63:20 | 45 |
| constants.rb:81:5:81:5 | A | constants.rb:79:5:79:13 | [...] |
| constants.rb:82:5:82:5 | B | constants.rb:80:5:80:5 | a |
constantWriteAccessQualifiedName
| constants.rb:1:1:15:3 | ModuleA | ModuleA |
| constants.rb:2:5:4:7 | ClassA | ModuleA::ClassA |
@@ -133,3 +160,14 @@ constantWriteAccessQualifiedName
| constants.rb:70:3:72:5 | Mod5 | Mod3::Mod5 |
| constants.rb:71:5:71:14 | FOURTY_SIX | Mod1::Mod3::Mod5::FOURTY_SIX |
| constants.rb:71:5:71:14 | FOURTY_SIX | Mod3::Mod5::FOURTY_SIX |
| constants.rb:79:1:79:1 | A | A |
| constants.rb:80:1:80:1 | B | B |
| constants.rb:81:1:81:1 | C | C |
arrayConstant
| constants.rb:20:13:20:37 | call to [] | constants.rb:20:13:20:37 | call to [] |
| constants.rb:78:5:78:13 | call to [] | constants.rb:78:5:78:13 | call to [] |
| constants.rb:79:5:79:13 | call to [] | constants.rb:79:5:79:13 | call to [] |
| constants.rb:80:5:80:5 | a | constants.rb:78:5:78:13 | call to [] |
| constants.rb:81:5:81:5 | A | constants.rb:79:5:79:13 | call to [] |
| constants.rb:82:5:82:5 | B | constants.rb:78:5:78:13 | call to [] |
| constants.rb:85:7:85:7 | b | constants.rb:78:5:78:13 | call to [] |

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@@ -1,5 +1,6 @@
import ruby
import codeql.ruby.ast.internal.Module as M
import codeql.ruby.ast.internal.Constant
query predicate constantAccess(ConstantAccess a, string kind, string name, string cls) {
(
@@ -20,3 +21,5 @@ query predicate constantValue(ConstantReadAccess a, Expr e) { e = a.getValue() }
query predicate constantWriteAccessQualifiedName(ConstantWriteAccess w, string qualifiedName) {
w.getAQualifiedName() = qualifiedName
}
query predicate arrayConstant = isArrayConstant/2;

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@@ -72,3 +72,16 @@ module Mod4
end
@@fourty_six = Mod3::FOURTY_SIX
end
# Array constants
a = [1, 2, 3]
A = [1, 2, 3]
B = a
C = A
b = B
if condition
c = b
end
c # not recognised

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@@ -0,0 +1,22 @@
WARNING: Type BarrierGuard has been deprecated and may be removed in future (barrier-guards.ql:8,3-15)
oldStyleBarrierGuards
| barrier-guards.rb:3:4:3:15 | ... == ... | barrier-guards.rb:4:5:4:7 | foo | barrier-guards.rb:3:4:3:6 | foo | true |
| barrier-guards.rb:9:4:9:24 | call to include? | barrier-guards.rb:10:5:10:7 | foo | barrier-guards.rb:9:21:9:23 | foo | true |
| barrier-guards.rb:15:4:15:15 | ... != ... | barrier-guards.rb:18:5:18:7 | foo | barrier-guards.rb:15:4:15:6 | foo | false |
| barrier-guards.rb:21:8:21:19 | ... == ... | barrier-guards.rb:24:5:24:7 | foo | barrier-guards.rb:21:8:21:10 | foo | true |
| barrier-guards.rb:27:8:27:19 | ... != ... | barrier-guards.rb:28:5:28:7 | foo | barrier-guards.rb:27:8:27:10 | foo | false |
| barrier-guards.rb:37:4:37:20 | call to include? | barrier-guards.rb:38:5:38:7 | foo | barrier-guards.rb:37:17:37:19 | foo | true |
| barrier-guards.rb:43:4:43:15 | ... == ... | barrier-guards.rb:45:9:45:11 | foo | barrier-guards.rb:43:4:43:6 | foo | true |
| barrier-guards.rb:70:4:70:21 | call to include? | barrier-guards.rb:71:5:71:7 | foo | barrier-guards.rb:70:18:70:20 | foo | true |
| barrier-guards.rb:82:4:82:25 | ... != ... | barrier-guards.rb:83:5:83:7 | foo | barrier-guards.rb:82:15:82:17 | foo | true |
newStyleBarrierGuards
| barrier-guards.rb:4:5:4:7 | foo |
| barrier-guards.rb:10:5:10:7 | foo |
| barrier-guards.rb:18:5:18:7 | foo |
| barrier-guards.rb:24:5:24:7 | foo |
| barrier-guards.rb:28:5:28:7 | foo |
| barrier-guards.rb:38:5:38:7 | foo |
| barrier-guards.rb:45:9:45:11 | foo |
| barrier-guards.rb:71:5:71:7 | foo |
| barrier-guards.rb:83:5:83:7 | foo |
| barrier-guards.rb:91:5:91:7 | foo |

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@@ -0,0 +1,16 @@
import codeql.ruby.dataflow.internal.DataFlowPublic
import codeql.ruby.dataflow.BarrierGuards
import codeql.ruby.controlflow.CfgNodes
import codeql.ruby.controlflow.ControlFlowGraph
import codeql.ruby.DataFlow
query predicate oldStyleBarrierGuards(
BarrierGuard g, DataFlow::Node guardedNode, ExprCfgNode expr, boolean branch
) {
g.checks(expr, branch) and guardedNode = g.getAGuardedNode()
}
query predicate newStyleBarrierGuards(DataFlow::Node n) {
n instanceof StringConstCompareBarrier or
n instanceof StringConstArrayInclusionCallBarrier
}

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@@ -0,0 +1,104 @@
foo = "foo"
if foo == "foo"
foo
else
foo
end
if ["foo"].include?(foo)
foo
else
foo
end
if foo != "foo"
foo
else
foo
end
unless foo == "foo"
foo
else
foo
end
unless foo != "foo"
foo
else
foo
end
foo
FOO = ["foo"]
if FOO.include?(foo)
foo
else
foo
end
if foo == "foo"
capture {
foo # guarded
}
end
if foo == "foo"
capture {
foo = "bar"
foo # not guarded
}
end
if foo == "foo"
my_lambda = -> () {
foo # not guarded
}
foo = "bar"
my_lambda()
end
foos = nil
foos = ["foo"]
bars = NotAnArray.new
if foos.include?(foo)
foo
else
foo
end
if bars.include?(foo)
foo
else
foo
end
if foos.index(foo) != nil
foo
else
foo
end
if foos.index(foo)r == nil
foo
else
foo
end
bars = ["bar"]
if condition
bars = nil
end
if bars.include?(foo)
foo
else
foo
end

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@@ -0,0 +1,219 @@
failures
edges
| pathname_flow.rb:4:10:4:33 | call to new : | pathname_flow.rb:5:10:5:11 | pn |
| pathname_flow.rb:4:23:4:32 | call to source : | pathname_flow.rb:4:10:4:33 | call to new : |
| pathname_flow.rb:9:7:9:30 | call to new : | pathname_flow.rb:11:8:11:12 | ... + ... |
| pathname_flow.rb:9:20:9:29 | call to source : | pathname_flow.rb:9:7:9:30 | call to new : |
| pathname_flow.rb:10:7:10:30 | call to new : | pathname_flow.rb:11:8:11:12 | ... + ... |
| pathname_flow.rb:10:20:10:29 | call to source : | pathname_flow.rb:10:7:10:30 | call to new : |
| pathname_flow.rb:15:8:15:31 | call to new : | pathname_flow.rb:16:8:16:9 | pn : |
| pathname_flow.rb:15:21:15:30 | call to source : | pathname_flow.rb:15:8:15:31 | call to new : |
| pathname_flow.rb:16:8:16:9 | pn : | pathname_flow.rb:16:8:16:17 | call to dirname |
| pathname_flow.rb:20:7:20:30 | call to new : | pathname_flow.rb:21:3:21:3 | a : |
| pathname_flow.rb:20:20:20:29 | call to source : | pathname_flow.rb:20:7:20:30 | call to new : |
| pathname_flow.rb:21:3:21:3 | a : | pathname_flow.rb:21:23:21:23 | x : |
| pathname_flow.rb:21:23:21:23 | x : | pathname_flow.rb:22:10:22:10 | x |
| pathname_flow.rb:27:7:27:30 | call to new : | pathname_flow.rb:28:8:28:8 | a : |
| pathname_flow.rb:27:20:27:29 | call to source : | pathname_flow.rb:27:7:27:30 | call to new : |
| pathname_flow.rb:28:8:28:8 | a : | pathname_flow.rb:28:8:28:22 | call to expand_path |
| pathname_flow.rb:32:7:32:30 | call to new : | pathname_flow.rb:35:8:35:8 | a : |
| pathname_flow.rb:32:20:32:29 | call to source : | pathname_flow.rb:32:7:32:30 | call to new : |
| pathname_flow.rb:34:7:34:30 | call to new : | pathname_flow.rb:35:18:35:18 | c : |
| pathname_flow.rb:34:20:34:29 | call to source : | pathname_flow.rb:34:7:34:30 | call to new : |
| pathname_flow.rb:35:8:35:8 | a : | pathname_flow.rb:35:8:35:19 | call to join |
| pathname_flow.rb:35:18:35:18 | c : | pathname_flow.rb:35:8:35:19 | call to join |
| pathname_flow.rb:39:7:39:30 | call to new : | pathname_flow.rb:40:8:40:8 | a : |
| pathname_flow.rb:39:20:39:29 | call to source : | pathname_flow.rb:39:7:39:30 | call to new : |
| pathname_flow.rb:40:8:40:8 | a : | pathname_flow.rb:40:8:40:17 | call to parent |
| pathname_flow.rb:44:7:44:30 | call to new : | pathname_flow.rb:45:8:45:8 | a : |
| pathname_flow.rb:44:20:44:29 | call to source : | pathname_flow.rb:44:7:44:30 | call to new : |
| pathname_flow.rb:45:8:45:8 | a : | pathname_flow.rb:45:8:45:19 | call to realpath |
| pathname_flow.rb:49:7:49:30 | call to new : | pathname_flow.rb:50:8:50:8 | a : |
| pathname_flow.rb:49:20:49:29 | call to source : | pathname_flow.rb:49:7:49:30 | call to new : |
| pathname_flow.rb:50:8:50:8 | a : | pathname_flow.rb:50:8:50:39 | call to relative_path_from |
| pathname_flow.rb:54:7:54:30 | call to new : | pathname_flow.rb:55:8:55:8 | a : |
| pathname_flow.rb:54:20:54:29 | call to source : | pathname_flow.rb:54:7:54:30 | call to new : |
| pathname_flow.rb:55:8:55:8 | a : | pathname_flow.rb:55:8:55:16 | call to to_path |
| pathname_flow.rb:59:7:59:30 | call to new : | pathname_flow.rb:60:8:60:8 | a : |
| pathname_flow.rb:59:20:59:29 | call to source : | pathname_flow.rb:59:7:59:30 | call to new : |
| pathname_flow.rb:60:8:60:8 | a : | pathname_flow.rb:60:8:60:13 | call to to_s |
| pathname_flow.rb:64:7:64:30 | call to new : | pathname_flow.rb:66:8:66:8 | b |
| pathname_flow.rb:64:20:64:29 | call to source : | pathname_flow.rb:64:7:64:30 | call to new : |
| pathname_flow.rb:70:7:70:30 | call to new : | pathname_flow.rb:72:8:72:8 | b |
| pathname_flow.rb:70:20:70:29 | call to source : | pathname_flow.rb:70:7:70:30 | call to new : |
| pathname_flow.rb:76:7:76:30 | call to new : | pathname_flow.rb:77:7:77:7 | a : |
| pathname_flow.rb:76:20:76:29 | call to source : | pathname_flow.rb:76:7:76:30 | call to new : |
| pathname_flow.rb:77:7:77:7 | a : | pathname_flow.rb:77:7:77:16 | call to basename : |
| pathname_flow.rb:77:7:77:16 | call to basename : | pathname_flow.rb:78:8:78:8 | b |
| pathname_flow.rb:82:7:82:30 | call to new : | pathname_flow.rb:83:7:83:7 | a : |
| pathname_flow.rb:82:20:82:29 | call to source : | pathname_flow.rb:82:7:82:30 | call to new : |
| pathname_flow.rb:83:7:83:7 | a : | pathname_flow.rb:83:7:83:17 | call to cleanpath : |
| pathname_flow.rb:83:7:83:17 | call to cleanpath : | pathname_flow.rb:84:8:84:8 | b |
| pathname_flow.rb:88:7:88:30 | call to new : | pathname_flow.rb:89:7:89:7 | a : |
| pathname_flow.rb:88:20:88:29 | call to source : | pathname_flow.rb:88:7:88:30 | call to new : |
| pathname_flow.rb:89:7:89:7 | a : | pathname_flow.rb:89:7:89:25 | call to sub : |
| pathname_flow.rb:89:7:89:25 | call to sub : | pathname_flow.rb:90:8:90:8 | b |
| pathname_flow.rb:94:7:94:30 | call to new : | pathname_flow.rb:95:7:95:7 | a : |
| pathname_flow.rb:94:20:94:29 | call to source : | pathname_flow.rb:94:7:94:30 | call to new : |
| pathname_flow.rb:95:7:95:7 | a : | pathname_flow.rb:95:7:95:23 | call to sub_ext : |
| pathname_flow.rb:95:7:95:23 | call to sub_ext : | pathname_flow.rb:96:8:96:8 | b |
| pathname_flow.rb:101:7:101:30 | call to new : | pathname_flow.rb:104:8:104:8 | b : |
| pathname_flow.rb:101:7:101:30 | call to new : | pathname_flow.rb:107:8:107:8 | c : |
| pathname_flow.rb:101:7:101:30 | call to new : | pathname_flow.rb:109:7:109:7 | a : |
| pathname_flow.rb:101:7:101:30 | call to new : | pathname_flow.rb:112:7:112:7 | a : |
| pathname_flow.rb:101:7:101:30 | call to new : | pathname_flow.rb:115:7:115:7 | a : |
| pathname_flow.rb:101:7:101:30 | call to new : | pathname_flow.rb:118:7:118:7 | a : |
| pathname_flow.rb:101:7:101:30 | call to new : | pathname_flow.rb:121:7:121:7 | a : |
| pathname_flow.rb:101:7:101:30 | call to new : | pathname_flow.rb:124:7:124:7 | a : |
| pathname_flow.rb:101:7:101:30 | call to new : | pathname_flow.rb:127:7:127:7 | a : |
| pathname_flow.rb:101:7:101:30 | call to new : | pathname_flow.rb:130:7:130:7 | a : |
| pathname_flow.rb:101:7:101:30 | call to new : | pathname_flow.rb:133:7:133:7 | a : |
| pathname_flow.rb:101:20:101:29 | call to source : | pathname_flow.rb:101:7:101:30 | call to new : |
| pathname_flow.rb:104:8:104:8 | b : | pathname_flow.rb:104:8:104:17 | call to realpath |
| pathname_flow.rb:107:8:107:8 | c : | pathname_flow.rb:107:8:107:17 | call to realpath |
| pathname_flow.rb:109:7:109:7 | a : | pathname_flow.rb:109:7:109:16 | call to basename : |
| pathname_flow.rb:109:7:109:16 | call to basename : | pathname_flow.rb:110:8:110:8 | d : |
| pathname_flow.rb:110:8:110:8 | d : | pathname_flow.rb:110:8:110:17 | call to realpath |
| pathname_flow.rb:112:7:112:7 | a : | pathname_flow.rb:112:7:112:17 | call to cleanpath : |
| pathname_flow.rb:112:7:112:17 | call to cleanpath : | pathname_flow.rb:113:8:113:8 | e : |
| pathname_flow.rb:113:8:113:8 | e : | pathname_flow.rb:113:8:113:17 | call to realpath |
| pathname_flow.rb:115:7:115:7 | a : | pathname_flow.rb:115:7:115:19 | call to expand_path : |
| pathname_flow.rb:115:7:115:19 | call to expand_path : | pathname_flow.rb:116:8:116:8 | f : |
| pathname_flow.rb:116:8:116:8 | f : | pathname_flow.rb:116:8:116:17 | call to realpath |
| pathname_flow.rb:118:7:118:7 | a : | pathname_flow.rb:118:7:118:19 | call to join : |
| pathname_flow.rb:118:7:118:19 | call to join : | pathname_flow.rb:119:8:119:8 | g : |
| pathname_flow.rb:119:8:119:8 | g : | pathname_flow.rb:119:8:119:17 | call to realpath |
| pathname_flow.rb:121:7:121:7 | a : | pathname_flow.rb:121:7:121:16 | call to realpath : |
| pathname_flow.rb:121:7:121:16 | call to realpath : | pathname_flow.rb:122:8:122:8 | h : |
| pathname_flow.rb:122:8:122:8 | h : | pathname_flow.rb:122:8:122:17 | call to realpath |
| pathname_flow.rb:124:7:124:7 | a : | pathname_flow.rb:124:7:124:38 | call to relative_path_from : |
| pathname_flow.rb:124:7:124:38 | call to relative_path_from : | pathname_flow.rb:125:8:125:8 | i : |
| pathname_flow.rb:125:8:125:8 | i : | pathname_flow.rb:125:8:125:17 | call to realpath |
| pathname_flow.rb:127:7:127:7 | a : | pathname_flow.rb:127:7:127:25 | call to sub : |
| pathname_flow.rb:127:7:127:25 | call to sub : | pathname_flow.rb:128:8:128:8 | j : |
| pathname_flow.rb:128:8:128:8 | j : | pathname_flow.rb:128:8:128:17 | call to realpath |
| pathname_flow.rb:130:7:130:7 | a : | pathname_flow.rb:130:7:130:23 | call to sub_ext : |
| pathname_flow.rb:130:7:130:23 | call to sub_ext : | pathname_flow.rb:131:8:131:8 | k : |
| pathname_flow.rb:131:8:131:8 | k : | pathname_flow.rb:131:8:131:17 | call to realpath |
| pathname_flow.rb:133:7:133:7 | a : | pathname_flow.rb:133:7:133:15 | call to to_path : |
| pathname_flow.rb:133:7:133:15 | call to to_path : | pathname_flow.rb:134:8:134:8 | l : |
| pathname_flow.rb:134:8:134:8 | l : | pathname_flow.rb:134:8:134:17 | call to realpath |
nodes
| pathname_flow.rb:4:10:4:33 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:4:23:4:32 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:5:10:5:11 | pn | semmle.label | pn |
| pathname_flow.rb:9:7:9:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:9:20:9:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:10:7:10:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:10:20:10:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:11:8:11:12 | ... + ... | semmle.label | ... + ... |
| pathname_flow.rb:15:8:15:31 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:15:21:15:30 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:16:8:16:9 | pn : | semmle.label | pn : |
| pathname_flow.rb:16:8:16:17 | call to dirname | semmle.label | call to dirname |
| pathname_flow.rb:20:7:20:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:20:20:20:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:21:3:21:3 | a : | semmle.label | a : |
| pathname_flow.rb:21:23:21:23 | x : | semmle.label | x : |
| pathname_flow.rb:22:10:22:10 | x | semmle.label | x |
| pathname_flow.rb:27:7:27:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:27:20:27:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:28:8:28:8 | a : | semmle.label | a : |
| pathname_flow.rb:28:8:28:22 | call to expand_path | semmle.label | call to expand_path |
| pathname_flow.rb:32:7:32:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:32:20:32:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:34:7:34:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:34:20:34:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:35:8:35:8 | a : | semmle.label | a : |
| pathname_flow.rb:35:8:35:19 | call to join | semmle.label | call to join |
| pathname_flow.rb:35:18:35:18 | c : | semmle.label | c : |
| pathname_flow.rb:39:7:39:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:39:20:39:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:40:8:40:8 | a : | semmle.label | a : |
| pathname_flow.rb:40:8:40:17 | call to parent | semmle.label | call to parent |
| pathname_flow.rb:44:7:44:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:44:20:44:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:45:8:45:8 | a : | semmle.label | a : |
| pathname_flow.rb:45:8:45:19 | call to realpath | semmle.label | call to realpath |
| pathname_flow.rb:49:7:49:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:49:20:49:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:50:8:50:8 | a : | semmle.label | a : |
| pathname_flow.rb:50:8:50:39 | call to relative_path_from | semmle.label | call to relative_path_from |
| pathname_flow.rb:54:7:54:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:54:20:54:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:55:8:55:8 | a : | semmle.label | a : |
| pathname_flow.rb:55:8:55:16 | call to to_path | semmle.label | call to to_path |
| pathname_flow.rb:59:7:59:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:59:20:59:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:60:8:60:8 | a : | semmle.label | a : |
| pathname_flow.rb:60:8:60:13 | call to to_s | semmle.label | call to to_s |
| pathname_flow.rb:64:7:64:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:64:20:64:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:66:8:66:8 | b | semmle.label | b |
| pathname_flow.rb:70:7:70:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:70:20:70:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:72:8:72:8 | b | semmle.label | b |
| pathname_flow.rb:76:7:76:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:76:20:76:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:77:7:77:7 | a : | semmle.label | a : |
| pathname_flow.rb:77:7:77:16 | call to basename : | semmle.label | call to basename : |
| pathname_flow.rb:78:8:78:8 | b | semmle.label | b |
| pathname_flow.rb:82:7:82:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:82:20:82:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:83:7:83:7 | a : | semmle.label | a : |
| pathname_flow.rb:83:7:83:17 | call to cleanpath : | semmle.label | call to cleanpath : |
| pathname_flow.rb:84:8:84:8 | b | semmle.label | b |
| pathname_flow.rb:88:7:88:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:88:20:88:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:89:7:89:7 | a : | semmle.label | a : |
| pathname_flow.rb:89:7:89:25 | call to sub : | semmle.label | call to sub : |
| pathname_flow.rb:90:8:90:8 | b | semmle.label | b |
| pathname_flow.rb:94:7:94:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:94:20:94:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:95:7:95:7 | a : | semmle.label | a : |
| pathname_flow.rb:95:7:95:23 | call to sub_ext : | semmle.label | call to sub_ext : |
| pathname_flow.rb:96:8:96:8 | b | semmle.label | b |
| pathname_flow.rb:101:7:101:30 | call to new : | semmle.label | call to new : |
| pathname_flow.rb:101:20:101:29 | call to source : | semmle.label | call to source : |
| pathname_flow.rb:104:8:104:8 | b : | semmle.label | b : |
| pathname_flow.rb:104:8:104:17 | call to realpath | semmle.label | call to realpath |
| pathname_flow.rb:107:8:107:8 | c : | semmle.label | c : |
| pathname_flow.rb:107:8:107:17 | call to realpath | semmle.label | call to realpath |
| pathname_flow.rb:109:7:109:7 | a : | semmle.label | a : |
| pathname_flow.rb:109:7:109:16 | call to basename : | semmle.label | call to basename : |
| pathname_flow.rb:110:8:110:8 | d : | semmle.label | d : |
| pathname_flow.rb:110:8:110:17 | call to realpath | semmle.label | call to realpath |
| pathname_flow.rb:112:7:112:7 | a : | semmle.label | a : |
| pathname_flow.rb:112:7:112:17 | call to cleanpath : | semmle.label | call to cleanpath : |
| pathname_flow.rb:113:8:113:8 | e : | semmle.label | e : |
| pathname_flow.rb:113:8:113:17 | call to realpath | semmle.label | call to realpath |
| pathname_flow.rb:115:7:115:7 | a : | semmle.label | a : |
| pathname_flow.rb:115:7:115:19 | call to expand_path : | semmle.label | call to expand_path : |
| pathname_flow.rb:116:8:116:8 | f : | semmle.label | f : |
| pathname_flow.rb:116:8:116:17 | call to realpath | semmle.label | call to realpath |
| pathname_flow.rb:118:7:118:7 | a : | semmle.label | a : |
| pathname_flow.rb:118:7:118:19 | call to join : | semmle.label | call to join : |
| pathname_flow.rb:119:8:119:8 | g : | semmle.label | g : |
| pathname_flow.rb:119:8:119:17 | call to realpath | semmle.label | call to realpath |
| pathname_flow.rb:121:7:121:7 | a : | semmle.label | a : |
| pathname_flow.rb:121:7:121:16 | call to realpath : | semmle.label | call to realpath : |
| pathname_flow.rb:122:8:122:8 | h : | semmle.label | h : |
| pathname_flow.rb:122:8:122:17 | call to realpath | semmle.label | call to realpath |
| pathname_flow.rb:124:7:124:7 | a : | semmle.label | a : |
| pathname_flow.rb:124:7:124:38 | call to relative_path_from : | semmle.label | call to relative_path_from : |
| pathname_flow.rb:125:8:125:8 | i : | semmle.label | i : |
| pathname_flow.rb:125:8:125:17 | call to realpath | semmle.label | call to realpath |
| pathname_flow.rb:127:7:127:7 | a : | semmle.label | a : |
| pathname_flow.rb:127:7:127:25 | call to sub : | semmle.label | call to sub : |
| pathname_flow.rb:128:8:128:8 | j : | semmle.label | j : |
| pathname_flow.rb:128:8:128:17 | call to realpath | semmle.label | call to realpath |
| pathname_flow.rb:130:7:130:7 | a : | semmle.label | a : |
| pathname_flow.rb:130:7:130:23 | call to sub_ext : | semmle.label | call to sub_ext : |
| pathname_flow.rb:131:8:131:8 | k : | semmle.label | k : |
| pathname_flow.rb:131:8:131:17 | call to realpath | semmle.label | call to realpath |
| pathname_flow.rb:133:7:133:7 | a : | semmle.label | a : |
| pathname_flow.rb:133:7:133:15 | call to to_path : | semmle.label | call to to_path : |
| pathname_flow.rb:134:8:134:8 | l : | semmle.label | l : |
| pathname_flow.rb:134:8:134:17 | call to realpath | semmle.label | call to realpath |
subpaths
#select

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@@ -0,0 +1,11 @@
/**
* @kind path-problem
*/
import ruby
import TestUtilities.InlineFlowTest
import PathGraph
from DataFlow::PathNode source, DataFlow::PathNode sink, DefaultValueFlowConf conf
where conf.hasFlowPath(source, sink)
select sink, source, sink, "$@", source, source.toString()

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@@ -0,0 +1,135 @@
require 'pathname'
def m_new
pn = Pathname.new(source 'a')
sink pn # $ hasTaintFlow=a
end
def m_plus
a = Pathname.new(source 'a')
b = Pathname.new(source 'b')
sink(a + b) # $ hasTaintFlow=a $ hasTaintFlow=b
end
def m_dirname
pn = Pathname.new(source 'a')
sink pn.dirname # $ hasTaintFlow=a
end
def m_each_filename
a = Pathname.new(source 'a')
a.each_filename do |x|
sink x # $ hasTaintFlow=a
end
end
def m_expand_path
a = Pathname.new(source 'a')
sink a.expand_path() # $ hasTaintFlow=a
end
def m_join
a = Pathname.new(source 'a')
b = Pathname.new('foo')
c = Pathname.new(source 'c')
sink a.join(b, c) # $ hasTaintFlow=a $ hasTaintFlow=c
end
def m_parent
a = Pathname.new(source 'a')
sink a.parent() # $ hasTaintFlow=a
end
def m_realpath
a = Pathname.new(source 'a')
sink a.realpath() # $ hasTaintFlow=a
end
def m_relative_path_from
a = Pathname.new(source 'a')
sink a.relative_path_from('/foo/bar') # $ hasTaintFlow=a
end
def m_to_path
a = Pathname.new(source 'a')
sink a.to_path # $ hasTaintFlow=a
end
def m_to_s
a = Pathname.new(source 'a')
sink a.to_s # $ hasTaintFlow=a
end
def m_plus
a = Pathname.new(source 'a')
b = a + 'foo'
sink b # $ hasTaintFlow=a
end
def m_slash
a = Pathname.new(source 'a')
b = a / 'foo'
sink b # $ hasTaintFlow=a
end
def m_basename
a = Pathname.new(source 'a')
b = a.basename
sink b # $ hasTaintFlow=a
end
def m_cleanpath
a = Pathname.new(source 'a')
b = a.cleanpath
sink b # $ hasTaintFlow=a
end
def m_sub
a = Pathname.new(source 'a')
b = a.sub('foo', 'bar')
sink b # $ hasTaintFlow=a
end
def m_sub_ext
a = Pathname.new(source 'a')
b = a.sub_ext('.txt')
sink b # $ hasTaintFlow=a
end
# Test flow through intermediate pathnames
def intermediate_pathnames
a = Pathname.new(source 'a')
b = a + 'foo'
sink b.realpath # $ hasTaintFlow=a
c = a / 'foo'
sink c.realpath # $ hasTaintFlow=a
d = a.basename
sink d.realpath # $ hasTaintFlow=a
e = a.cleanpath
sink e.realpath # $ hasTaintFlow=a
f = a.expand_path
sink f.realpath # $ hasTaintFlow=a
g = a.join('foo')
sink g.realpath # $ hasTaintFlow=a
h = a.realpath
sink h.realpath # $ hasTaintFlow=a
i = a.relative_path_from('/foo/bar')
sink i.realpath # $ hasTaintFlow=a
j = a.sub('foo', 'bar')
sink j.realpath # $ hasTaintFlow=a
k = a.sub_ext('.txt')
sink k.realpath # $ hasTaintFlow=a
l = a.to_path
sink l.realpath # $ hasTaintFlow=a
end

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pathnameInstances
| Pathname.rb:2:1:2:33 | ... = ... |
| Pathname.rb:2:1:2:33 | ... = ... |
| Pathname.rb:2:12:2:33 | call to new |
| Pathname.rb:3:1:3:20 | ... = ... |
| Pathname.rb:3:13:3:20 | foo_path |
| Pathname.rb:4:1:4:8 | foo_path |
| Pathname.rb:6:1:6:29 | ... = ... |
| Pathname.rb:6:1:6:29 | ... = ... |
| Pathname.rb:6:12:6:29 | call to new |
| Pathname.rb:9:1:9:21 | ... = ... |
| Pathname.rb:9:1:9:21 | ... = ... |
| Pathname.rb:9:8:9:21 | call to getwd |
| Pathname.rb:10:1:10:21 | ... = ... |
| Pathname.rb:10:7:10:10 | pwd1 |
| Pathname.rb:10:7:10:21 | ... + ... |
| Pathname.rb:10:14:10:21 | foo_path |
| Pathname.rb:11:1:11:21 | ... = ... |
| Pathname.rb:11:1:11:21 | ... = ... |
| Pathname.rb:11:7:11:10 | pwd1 |
| Pathname.rb:11:7:11:21 | ... / ... |
| Pathname.rb:11:14:11:21 | bar_path |
| Pathname.rb:12:1:12:19 | ... = ... |
| Pathname.rb:12:7:12:10 | pwd1 |
| Pathname.rb:12:7:12:19 | call to basename |
| Pathname.rb:13:1:13:46 | ... = ... |
| Pathname.rb:13:7:13:36 | call to new |
| Pathname.rb:13:7:13:46 | call to cleanpath |
| Pathname.rb:14:1:14:26 | ... = ... |
| Pathname.rb:14:7:14:14 | foo_path |
| Pathname.rb:14:7:14:26 | call to expand_path |
| Pathname.rb:15:1:15:39 | ... = ... |
| Pathname.rb:15:7:15:10 | pwd1 |
| Pathname.rb:15:7:15:39 | call to join |
| Pathname.rb:16:1:16:23 | ... = ... |
| Pathname.rb:16:7:16:14 | foo_path |
| Pathname.rb:16:7:16:23 | call to realpath |
| Pathname.rb:17:1:17:59 | ... = ... |
| Pathname.rb:17:7:17:33 | call to new |
| Pathname.rb:17:7:17:59 | call to relative_path_from |
| Pathname.rb:18:1:18:33 | ... = ... |
| Pathname.rb:18:1:18:33 | ... = ... |
| Pathname.rb:18:7:18:10 | pwd1 |
| Pathname.rb:18:7:18:33 | call to sub |
| Pathname.rb:19:1:19:29 | ... = ... |
| Pathname.rb:19:7:19:14 | foo_path |
| Pathname.rb:19:7:19:29 | call to sub_ext |
| Pathname.rb:20:1:20:22 | ... = ... |
| Pathname.rb:20:7:20:14 | foo_path |
| Pathname.rb:20:7:20:22 | call to to_path |
| Pathname.rb:23:14:23:21 | foo_path |
| Pathname.rb:26:12:26:19 | foo_path |
| Pathname.rb:28:11:28:14 | pwd1 |
| Pathname.rb:32:12:32:19 | foo_path |
| Pathname.rb:35:1:35:8 | foo_path |
| Pathname.rb:38:1:38:8 | foo_path |
| Pathname.rb:39:12:39:19 | foo_path |
| Pathname.rb:41:1:41:3 | p08 |
| Pathname.rb:42:1:42:3 | p01 |
fileSystemAccesses
| Pathname.rb:26:12:26:24 | call to open | Pathname.rb:26:12:26:19 | foo_path |
| Pathname.rb:28:11:28:22 | call to opendir | Pathname.rb:28:11:28:14 | pwd1 |
| Pathname.rb:32:12:32:24 | call to read | Pathname.rb:32:12:32:19 | foo_path |
| Pathname.rb:35:1:35:23 | call to write | Pathname.rb:35:1:35:8 | foo_path |
| Pathname.rb:39:12:39:34 | call to open | Pathname.rb:39:12:39:19 | foo_path |
fileNameSources
| Pathname.rb:2:1:2:33 | ... = ... |
| Pathname.rb:2:1:2:33 | ... = ... |
| Pathname.rb:2:12:2:33 | call to new |
| Pathname.rb:3:1:3:20 | ... = ... |
| Pathname.rb:3:13:3:20 | foo_path |
| Pathname.rb:4:1:4:8 | foo_path |
| Pathname.rb:6:1:6:29 | ... = ... |
| Pathname.rb:6:1:6:29 | ... = ... |
| Pathname.rb:6:12:6:29 | call to new |
| Pathname.rb:9:1:9:21 | ... = ... |
| Pathname.rb:9:1:9:21 | ... = ... |
| Pathname.rb:9:8:9:21 | call to getwd |
| Pathname.rb:10:1:10:21 | ... = ... |
| Pathname.rb:10:7:10:10 | pwd1 |
| Pathname.rb:10:7:10:21 | ... + ... |
| Pathname.rb:10:14:10:21 | foo_path |
| Pathname.rb:11:1:11:21 | ... = ... |
| Pathname.rb:11:1:11:21 | ... = ... |
| Pathname.rb:11:7:11:10 | pwd1 |
| Pathname.rb:11:7:11:21 | ... / ... |
| Pathname.rb:11:14:11:21 | bar_path |
| Pathname.rb:12:1:12:19 | ... = ... |
| Pathname.rb:12:7:12:10 | pwd1 |
| Pathname.rb:12:7:12:19 | call to basename |
| Pathname.rb:13:1:13:46 | ... = ... |
| Pathname.rb:13:7:13:36 | call to new |
| Pathname.rb:13:7:13:46 | call to cleanpath |
| Pathname.rb:14:1:14:26 | ... = ... |
| Pathname.rb:14:7:14:14 | foo_path |
| Pathname.rb:14:7:14:26 | call to expand_path |
| Pathname.rb:15:1:15:39 | ... = ... |
| Pathname.rb:15:7:15:10 | pwd1 |
| Pathname.rb:15:7:15:39 | call to join |
| Pathname.rb:16:1:16:23 | ... = ... |
| Pathname.rb:16:7:16:14 | foo_path |
| Pathname.rb:16:7:16:23 | call to realpath |
| Pathname.rb:17:1:17:59 | ... = ... |
| Pathname.rb:17:7:17:33 | call to new |
| Pathname.rb:17:7:17:59 | call to relative_path_from |
| Pathname.rb:18:1:18:33 | ... = ... |
| Pathname.rb:18:1:18:33 | ... = ... |
| Pathname.rb:18:7:18:10 | pwd1 |
| Pathname.rb:18:7:18:33 | call to sub |
| Pathname.rb:19:1:19:29 | ... = ... |
| Pathname.rb:19:7:19:14 | foo_path |
| Pathname.rb:19:7:19:29 | call to sub_ext |
| Pathname.rb:20:1:20:22 | ... = ... |
| Pathname.rb:20:7:20:14 | foo_path |
| Pathname.rb:20:7:20:22 | call to to_path |
| Pathname.rb:23:14:23:21 | foo_path |
| Pathname.rb:23:14:23:26 | call to to_s |
| Pathname.rb:26:12:26:19 | foo_path |
| Pathname.rb:28:11:28:14 | pwd1 |
| Pathname.rb:32:12:32:19 | foo_path |
| Pathname.rb:35:1:35:8 | foo_path |
| Pathname.rb:38:1:38:8 | foo_path |
| Pathname.rb:39:12:39:19 | foo_path |
| Pathname.rb:41:1:41:3 | p08 |
| Pathname.rb:42:1:42:3 | p01 |
fileSystemReadAccesses
| Pathname.rb:32:12:32:24 | call to read | Pathname.rb:32:12:32:24 | call to read |
fileSystemWriteAccesses
| Pathname.rb:35:1:35:23 | call to write | Pathname.rb:35:16:35:23 | "output" |
fileSystemPermissionModifications
| Pathname.rb:38:1:38:19 | call to chmod | Pathname.rb:38:16:38:19 | 0644 |
| Pathname.rb:39:12:39:34 | call to open | Pathname.rb:39:31:39:34 | 0666 |
| Pathname.rb:41:1:41:14 | call to mkdir | Pathname.rb:41:11:41:14 | 0755 |
| Pathname.rb:42:1:42:22 | call to mkpath | Pathname.rb:42:18:42:21 | 0644 |

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@@ -0,0 +1,26 @@
private import ruby
private import codeql.ruby.Concepts
private import codeql.ruby.DataFlow
private import codeql.ruby.frameworks.stdlib.Pathname
query predicate pathnameInstances(Pathname::PathnameInstance i) { any() }
query predicate fileSystemAccesses(FileSystemAccess a, DataFlow::Node p) {
p = a.getAPathArgument()
}
query predicate fileNameSources(FileNameSource s) { any() }
query predicate fileSystemReadAccesses(FileSystemReadAccess a, DataFlow::Node d) {
d = a.getADataNode()
}
query predicate fileSystemWriteAccesses(FileSystemWriteAccess a, DataFlow::Node d) {
d = a.getADataNode()
}
query predicate fileSystemPermissionModifications(
FileSystemPermissionModification m, DataFlow::Node p
) {
p = m.getAPermissionNode()
}

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@@ -0,0 +1,42 @@
foo_path = Pathname.new "foo.txt"
foo_path2 = foo_path
foo_path
bar_path = Pathname.new 'bar'
# All these calls return new `Pathname` instances
pwd1 = Pathname.getwd
p00 = pwd1 + foo_path
p01 = pwd1 / bar_path
p02 = pwd1.basename
p03 = Pathname.new('bar/../baz.txt').cleanpath
p04 = foo_path.expand_path
p05 = pwd1.join 'bar', 'baz', 'qux.txt'
p06 = foo_path.realpath
p07 = Pathname.new('foo/bar.txt').relative_path_from('foo')
p08 = pwd1.sub 'wibble', 'wobble'
p09 = foo_path.sub_ext '.log'
p10 = foo_path.to_path
# `Pathname#to_s` returns a string that we consider to be a filename source.
foo_string = foo_path.to_s
# File-system accesses
foo_file = foo_path.open
foo_file.close
pwd_dir = pwd1.opendir
pwd_dir.close
# Read from a file
foo_data = foo_path.read
# Write to a file
foo_path.write 'output'
# Permission modifications
foo_path.chmod 0644
foo_file = foo_path.open 'w', 0666
foo_file.close
p08.mkdir 0755
p01.mkpath(mode: 0644)