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std.crypto.CertificateBundle: ignore duplicate certificates

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This commit is contained in:
Andrew Kelley
2022-12-20 00:47:04 -07:00
parent bbc074252c
commit 504070e8fc
1 changed files with 8 additions and 2 deletions
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10
lib/std/crypto/CertificateBundle.zig
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@@ -2,7 +2,8 @@
//! these are "Certificate Authorities" used to validate SSL certificates.
//! This data structure stores certificates in DER-encoded form, all of them
//! concatenated together in the `bytes` array. The `map` field contains an
//! index from the DER-encoded subject name to the index within `bytes`.
//! index from the DER-encoded subject name to the index of the containing
//! certificate within `bytes`.
map: std.HashMapUnmanaged(Key, u32, MapContext, std.hash_map.default_max_load_percentage) = .{},
bytes: std.ArrayListUnmanaged(u8) = .{},
@@ -105,7 +106,12 @@ pub fn addCertsFromFile(
const dest_buf = cb.bytes.allocatedSlice()[decoded_start..];
cb.bytes.items.len += try base64.decode(dest_buf, encoded_cert);
const k = try key(cb, decoded_start);
try cb.map.putContext(gpa, k, decoded_start, .{ .cb = cb });
const gop = try cb.map.getOrPutContext(gpa, k, .{ .cb = cb });
if (gop.found_existing) {
cb.bytes.items.len = decoded_start;
} else {
gop.value_ptr.* = decoded_start;
}
}
}