BUFRSZ too small truncating arc sig#161
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nabbi wants to merge 1 commit intotrusteddomainproject:developfrom
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BUFRSZ too small truncating arc sig#161nabbi wants to merge 1 commit intotrusteddomainproject:developfrom
nabbi wants to merge 1 commit intotrusteddomainproject:developfrom
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Senders using MS Exchange / Outlook / M365 cloud hosted mail chains many headers together The ARC-Message-Signature body as truncating at 1024 resulting in incomplete ARC headers Unclear which BUFRSZ capped so doubled them all.
flowerysong
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Feb 6, 2024
Senders using MS Exchange / Outlook / M365 cloud hosted mail chains many headers together The ARC-Message-Signature body as truncating at 1024 resulting in incomplete ARC headers Unclear which BUFRSZ capped so doubled them all. trusteddomainproject/OpenARC#161
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Even if the issue is resolved by applying this PR, I don't think the cause of the issue is the value of BUFRSZ, but the wrong size estimation of (a) specific buffer(s). There are other macros for specifying buffer size, ARC_MAXHEADER (in libopenarc/arc.h) and MAXBUFRSZ (in libopenarc/openarc-internal.h and openarc/openarc.h). I guess at least this one should be |
futatuki
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Sep 18, 2024
…ate-arc-set-headers As ARC set header may grow up to ARC_MAXHEADER, the limit size per header size we determined to handle, buffer size to store should be larger than it. With this commit, fix a size of the buffer to store header field body. This would fix the problem described in PR trusteddomainproject#161 trusteddomainproject#180
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Senders using MS Exchange / Outlook / M365 cloud hosted mail chains many headers together
The ARC-Message-Signature body as truncating at 1024 resulting in incomplete ARC headers
Unclear which BUFRSZ capped so doubled them all.