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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 21558x 1x 10780x 10780x 10780x 10780x 10780x 32188x 32188x 32188x 32188x 32188x 32188x 32188x 32188x 32188x 10780x 10780x 8x 8x 10780x 10780x 10267x 10267x 10780x 10780x 241x 241x 10780x 10780x 265x 265x 265x 265x 1466x 1466x 58x 58x 58x 1466x 58x 58x 1466x 1466x 1466x 1x 1466x 1x 1465x 1x 1464x 1x 1463x 1462x 1462x 1462x 1462x 1462x 1462x 1462x 1466x 1466x 4x 4x 1466x 1466x 1464x 1464x 4x 4x 1464x 1466x 265x 265x 265x 10780x 10780x 1464x 1464x 1464x 1464x 1464x 1464x 1464x 11x 11x 4x 4x 11x 1460x 1460x 10780x 10780x | import * as Statements from "../abap/2_statements/statements";
import * as Expressions from "../abap/2_statements/expressions";
import {Issue} from "../issue";
import {ABAPRule} from "./_abap_rule";
import {BasicRuleConfig} from "./_basic_rule_config";
import {IRuleMetadata, RuleTag} from "./_irule";
import {ABAPFile} from "../abap/abap_file";
import {StatementNode} from "../abap/nodes";
export class DangerousStatementConf extends BasicRuleConfig {
/** Detects execSQL (dynamic SQL) */
public execSQL: boolean = true;
/** Detects kernel calls */
public kernelCall: boolean = true;
/** Detects SYSTEM-CALL */
public systemCall: boolean = true;
/** Detects INSERT REPORT */
public insertReport: boolean = true;
public generateDynpro: boolean = true;
public generateReport: boolean = true;
public generateSubroutine: boolean = true;
public deleteReport: boolean = true;
public deleteTextpool: boolean = true;
public insertTextpool: boolean = true;
public deleteDynpro: boolean = true;
public exportDynpro: boolean = true;
/** Finds instances of dynamic SQL: SELECT, UPDATE, DELETE, INSERT, MODIFY */
public dynamicSQL: boolean = true;
/** Ignore dynamic SQL in IF_RAP_QUERY_PROVIDER~SELECT implementations */
public ignoreRAPQueryProvider: boolean = true;
}
export class DangerousStatement extends ABAPRule {
private conf = new DangerousStatementConf();
public getMetadata(): IRuleMetadata {
return {
key: "dangerous_statement",
title: "Dangerous statement",
shortDescription: `Detects potentially dangerous statements`,
extendedInformation: `Dynamic SQL: Typically ABAP logic does not need dynamic SQL,
dynamic SQL can potentially create SQL injection problems`,
tags: [RuleTag.SingleFile, RuleTag.Security],
};
}
private getDescription(statement: string): string {
return "Potential dangerous statement " + statement;
}
public getConfig() {
return this.conf;
}
public setConfig(conf: DangerousStatementConf) {
this.conf = conf;
}
public runParsed(file: ABAPFile) {
const issues: Issue[] = [];
let ignoreDynamicSQL = false;
for (const statementNode of file.getStatements()) {
const statement = statementNode.get();
if (statement instanceof Statements.MethodImplementation) {
const methodName = statementNode.findFirstExpression(Expressions.MethodName)?.concatTokens().toUpperCase();
ignoreDynamicSQL = this.conf.ignoreRAPQueryProvider === true
&& methodName === "IF_RAP_QUERY_PROVIDER~SELECT";
} else if (statement instanceof Statements.EndMethod) {
ignoreDynamicSQL = false;
}
let message: string | undefined = undefined;
if (this.conf.execSQL && statement instanceof Statements.ExecSQL) {
message = "EXEC SQL";
} else if (this.conf.kernelCall && statement instanceof Statements.CallKernel) {
message = "KERNEL CALL";
} else if (this.conf.systemCall && statement instanceof Statements.SystemCall) {
message = "SYSTEM-CALL";
} else if (this.conf.insertReport && statement instanceof Statements.InsertReport) {
message = "INSERT REPORT";
} else if (this.conf.generateDynpro && statement instanceof Statements.GenerateDynpro) {
message = "GENERATE DYNPRO";
} else if (this.conf.generateReport && statement instanceof Statements.GenerateReport) {
message = "GENERATE REPORT";
} else if (this.conf.generateSubroutine && statement instanceof Statements.GenerateSubroutine) {
message = "GENERATE SUBROUTINE";
} else if (this.conf.deleteReport && statement instanceof Statements.DeleteReport) {
message = "DELETE REPORT";
} else if (this.conf.deleteTextpool && statement instanceof Statements.DeleteTextpool) {
message = "DELETE TEXTPOOL";
} else if (this.conf.insertTextpool && statement instanceof Statements.InsertTextpool) {
message = "INSERT TEXTPOOL";
} else if (this.conf.deleteDynpro && statement instanceof Statements.DeleteDynpro) {
message = "DELETE DYNPRO";
} else if (this.conf.exportDynpro && statement instanceof Statements.ExportDynpro) {
message = "EXPORT DYNPRO";
}
if (message) {
issues.push(Issue.atStatement(file, statementNode, this.getDescription(message), this.getMetadata().key, this.conf.severity));
}
if (this.conf.dynamicSQL && ignoreDynamicSQL === false) {
message = this.findDynamicSQL(statementNode);
if (message) {
issues.push(Issue.atStatement(file, statementNode, this.getDescription(message), this.getMetadata().key, this.conf.severity));
}
}
}
return issues;
}
private findDynamicSQL(statementNode: StatementNode): string | undefined {
const statement = statementNode.get();
if (statement instanceof Statements.UpdateDatabase
|| statement instanceof Statements.Select
|| statement instanceof Statements.SelectLoop
|| statement instanceof Statements.InsertDatabase
|| statement instanceof Statements.ModifyDatabase
|| statement instanceof Statements.DeleteDatabase) {
const dyn = statementNode.findFirstExpression(Expressions.Dynamic);
if (dyn && dyn.findDirectExpression(Expressions.Constant) === undefined) {
return "Dynamic SQL";
}
}
return undefined;
}
}
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