Correct handling of colons in SASL PLAIN
Only the first colon should be replaced with a null byte. Ported from pounce.weechat-hashes
parent
be9bffdf49
commit
506c5ad906
12
handle.c
12
handle.c
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@ -208,13 +208,13 @@ static void handleAuthenticate(struct Message *msg) {
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return;
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}
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byte buf[299];
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byte buf[299] = {0};
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size_t len = 1 + strlen(self.plain);
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if (sizeof(buf) < len) errx(EX_CONFIG, "SASL PLAIN is too long");
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buf[0] = 0;
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for (size_t i = 0; self.plain[i]; ++i) {
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buf[1 + i] = (self.plain[i] == ':' ? 0 : self.plain[i]);
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}
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if (sizeof(buf) < len) errx(EX_USAGE, "SASL PLAIN is too long");
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memcpy(&buf[1], self.plain, len - 1);
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byte *sep = memchr(buf, ':', len);
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if (!sep) errx(EX_USAGE, "SASL PLAIN missing colon");
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*sep = 0;
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char b64[BASE64_SIZE(sizeof(buf))];
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base64(b64, buf, len);
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