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authormo khan <mo@mokhan.ca>2025-05-11 21:12:57 -0600
committermo khan <mo@mokhan.ca>2025-05-11 21:12:57 -0600
commit60440f90dca28e99a31dd328c5f6d5dc0f9b6a2e (patch)
tree2f54adf55086516f162f0a55a5347e6b25f7f176 /vendor/github.com/moby/sys/user/user_fuzzer.go
parent05ca9b8d3a9c7203a3a3b590beaa400900bd9007 (diff)
chore: vendor go dependencies
Diffstat (limited to 'vendor/github.com/moby/sys/user/user_fuzzer.go')
-rw-r--r--vendor/github.com/moby/sys/user/user_fuzzer.go43
1 files changed, 43 insertions, 0 deletions
diff --git a/vendor/github.com/moby/sys/user/user_fuzzer.go b/vendor/github.com/moby/sys/user/user_fuzzer.go
new file mode 100644
index 0000000..e018eae
--- /dev/null
+++ b/vendor/github.com/moby/sys/user/user_fuzzer.go
@@ -0,0 +1,43 @@
+//go:build gofuzz
+// +build gofuzz
+
+package user
+
+import (
+ "io"
+ "strings"
+)
+
+func IsDivisbleBy(n int, divisibleby int) bool {
+ return (n % divisibleby) == 0
+}
+
+func FuzzUser(data []byte) int {
+ if len(data) == 0 {
+ return -1
+ }
+ if !IsDivisbleBy(len(data), 5) {
+ return -1
+ }
+
+ var divided [][]byte
+
+ chunkSize := len(data) / 5
+
+ for i := 0; i < len(data); i += chunkSize {
+ end := i + chunkSize
+
+ divided = append(divided, data[i:end])
+ }
+
+ _, _ = ParsePasswdFilter(strings.NewReader(string(divided[0])), nil)
+
+ var passwd, group io.Reader
+
+ group = strings.NewReader(string(divided[1]))
+ _, _ = GetAdditionalGroups([]string{string(divided[2])}, group)
+
+ passwd = strings.NewReader(string(divided[3]))
+ _, _ = GetExecUser(string(divided[4]), nil, passwd, group)
+ return 1
+}