forked from toolshed/abra
		
	
		
			
				
	
	
		
			44 lines
		
	
	
		
			781 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
		
			781 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| //go:build gofuzz
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| // +build gofuzz
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| 
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| package user
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| 
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| import (
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| 	"io"
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| 	"strings"
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| )
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| 
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| func IsDivisbleBy(n int, divisibleby int) bool {
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| 	return (n % divisibleby) == 0
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| }
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| 
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| func FuzzUser(data []byte) int {
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| 	if len(data) == 0 {
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| 		return -1
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| 	}
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| 	if !IsDivisbleBy(len(data), 5) {
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| 		return -1
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| 	}
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| 
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| 	var divided [][]byte
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| 
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| 	chunkSize := len(data) / 5
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| 
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| 	for i := 0; i < len(data); i += chunkSize {
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| 		end := i + chunkSize
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| 
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| 		divided = append(divided, data[i:end])
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| 	}
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| 
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| 	_, _ = ParsePasswdFilter(strings.NewReader(string(divided[0])), nil)
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| 
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| 	var passwd, group io.Reader
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| 
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| 	group = strings.NewReader(string(divided[1]))
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| 	_, _ = GetAdditionalGroups([]string{string(divided[2])}, group)
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| 
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| 	passwd = strings.NewReader(string(divided[3]))
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| 	_, _ = GetExecUser(string(divided[4]), nil, passwd, group)
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| 	return 1
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| }
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