Secure Coding in C

سرفصل های دوره

C lacks some of the safety valves offered by newer programming languages. But while this midlevel language has its weaknesses, writing safe C code is still possible—it just requires extra vigilance on the part of the developer. In this course, instructor Dan Gookin explains how to identify and code around weaknesses in the C programming language to write more secure programs. Many exploits are known regarding C code; this course reviews each one, explaining the vulnerabilities and how to deal with them. Major areas covered include undefined behavior, avoiding awkward constructions, validating input, managing strings, and working with pointers.

01 - Introduction

01 - Write better secure C code

02 - Using the exercise files

03 - Compiling the code

02 - 1. On the Defensive

01 - Understanding the weaknesses of C

02 - What the bad guys look for

03 - Hunting exploits

04 - Documenting everything

03 - 2. Undefined Behaviors

01 - Formatting preprocessor directives

02 - Using an assignment as a condition

03 - Avoiding putchar() in a while loop

04 - Using the system() call

05 - Accessing elements beyond the array size

06 - Converting integers

07 - Looping with floating point values

08 - Using return values

09 - Confirming when EOF has been read

10 - Challenge Fix the code

11 - Solution Fix the code

04 - 3. Input Validation

01 - Authenticating numeric input

02 - Converting strings to numbers

03 - Using int values instead of char

04 - Reading input with fgets()

05 - Filtering string input

06 - Challenge Confirming input

07 - Solution Confirming input

05 - 4. String Management

01 - Allocating strings

02 - Avoiding bad string assignment

03 - Working with string literals

04 - Minding string functions

05 - Storing passwords and codes

06 - Clearing data after use

07 - Challenge The secret code

08 - Solution The secret code

06 - 5. Issues with Pointers

01 - Initializing pointers and buffers

02 - Checking for NULL pointers

03 - Performing pointer math

04 - Freeing pointers

05 - Challenge Enter the combination

06 - Solution Enter the combination

07 - Conclusion

01 - Next steps

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تولید کننده: LinkedIn Learning (Lynda)