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c9341790d4
The -X linker flag sets a string variable to a given value,
which is often used to inject strings such as versions.
The way garble's literal obfuscation works,
we replace string literals with anonymous functions which,
when evaluated, result in the original string.
Both of these features work fine separately,
but when intersecting, they break. For example, given:
var myVar = "original"
[...]
-ldflags=-X=main.myVar=replaced
The -X flag effectively replaces the initial value,
and -literals adds code to be run at init time:
var myVar = "replaced"
func init() { myVar = func() string { ... } }
Since the init func runs later, -literals breaks -X.
To avoid that problem,
don't obfuscate literals whose variables are set via -ldflags=-X.
We also leave TODOs about obfuscating those in the future,
but we're also leaving regression tests to ensure we get it right.
Fixes #323.
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3 years ago | |
|---|---|---|
| .. | ||
| asm.txt | 3 years ago | |
| basic.txt | 3 years ago | |
| cgo.txt | 3 years ago | |
| crossbuild.txt | 3 years ago | |
| debugdir.txt | 3 years ago | |
| embed.txt | 3 years ago | |
| gogarble.txt | 3 years ago | |
| goversion.txt | 4 years ago | |
| help.txt | 3 years ago | |
| implement.txt | 3 years ago | |
| imports.txt | 3 years ago | |
| init.txt | 4 years ago | |
| ldflags.txt | 3 years ago | |
| linkname.txt | 3 years ago | |
| literals.txt | 3 years ago | |
| modinfo.txt | 3 years ago | |
| plugin.txt | 3 years ago | |
| position.txt | 3 years ago | |
| reflect.txt | 3 years ago | |
| reverse.txt | 3 years ago | |
| seed.txt | 3 years ago | |
| syntax.txt | 3 years ago | |
| test.txt | 4 years ago | |
| tiny.txt | 3 years ago | |