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commit 783f4475291c9c2393e37ead83947dcad4706982
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Author: Murray S. Kucherawy <msk@trusteddomain.org>
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Date: Mon Sep 17 10:37:34 2018 -0700
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Fix issue #100: Correct application of sendmail's "no lead space"
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flag when adding seal header fields. Reported by Matt Domsch.
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diff --git a/RELEASE_NOTES b/RELEASE_NOTES
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index e2154a6..7889af4 100644
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--- a/RELEASE_NOTES
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+++ b/RELEASE_NOTES
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@@ -4,11 +4,13 @@ This listing shows the versions of the OpenARC package, the date of
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release, and a summary of the changes in that release.
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0.1.1 2018/??/??
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- Add FinalReceiver configuration option. When enabled, this filter will
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- append "arc.chain=dom(n)...dom(1)" custody chain data to the A-R field.
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+ Add FinalReceiver configuration option.
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Fix issue #47: Fix syntax of ARC-Authentication-Results with respect
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to semicolons. Problem noted by Matt Domsch; based on a
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patch from Ben Arblaster.
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+ Fix issue #100: Correct application of sendmail's "no lead space"
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+ flag when adding seal header fields. Reported by Matt
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+ Domsch.
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0.1.0 2017/12/06
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Initial pre-release.
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diff --git a/openarc/openarc.c b/openarc/openarc.c
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index ca6107d..bc5dee3 100644
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--- a/openarc/openarc.c
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+++ b/openarc/openarc.c
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@@ -3666,22 +3666,26 @@ mlfi_eom(SMFICTX *ctx)
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sealhdr = arc_hdr_next(sealhdr))
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{
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size_t len;
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- u_char *hfptr;
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- u_char *hfdest;
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+ u_char *hfvdest;
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u_char hfname[BUFRSZ + 1];
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+ u_char hfvalue[BUFRSZ + 1];
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- hfptr = arc_hdr_name(sealhdr, &len;;
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- hfdest = hfname;
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memset(hfname, '\0', sizeof hfname);
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+ strlcpy(hfname, arc_hdr_name(sealhdr, &len),
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+ sizeof hfname);
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+ hfname[len] = '\0';
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+
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+ hfvdest = hfvalue;
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+ memset(hfvalue, '\0', sizeof hfvalue);
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if (cc->cctx_noleadspc)
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{
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- hfname[0] = ' ';
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- hfdest++;
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+ hfvalue[0] = ' ';
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+ hfvdest++;
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}
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- strncpy(hfdest, hfptr, len);
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+ strlcat(hfvalue, arc_hdr_value(sealhdr),
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+ sizeof hfvalue);
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- status = arcf_insheader(ctx, 1, hfname,
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- arc_hdr_value(sealhdr));
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+ status = arcf_insheader(ctx, 1, hfname, hfvalue);
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if (status == MI_FAILURE)
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{
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if (conf->conf_dolog)
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