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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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 21003x 1x 10502x 10502x 10502x 10502x 10502x 31332x 31332x 31332x 31332x 31332x 31332x 31332x 31332x 31332x 10502x 10502x 7x 7x 10502x 10502x 9969x 9969x 10502x 10502x 251x 251x 10502x 10502x 275x 275x 275x 1505x 1505x 1505x 1x 1505x 1x 1504x 1x 1503x 1x 1502x 1501x 1501x 1501x 1501x 1501x 1501x 1501x 1505x 1505x 4x 4x 1505x 1505x 1505x 1505x 3x 3x 1505x 1505x 275x 275x 275x 10502x 10502x 1505x 1505x 1505x 1505x 1505x 1505x 1505x 10x 10x 3x 3x 10x 1502x 1502x 10502x 10502x | 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;
}
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[] = [];
for (const statementNode of file.getStatements()) {
const statement = statementNode.get();
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) {
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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