49 lines
1.7 KiB
Diff
49 lines
1.7 KiB
Diff
From: Tero Marttila <terom@fixme.fi>
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Subject: Fix off-by-one error that makes procmail to segfault on certain .procmailrc files
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--- a/src/cstdio.c
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+++ b/src/cstdio.c
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@@ -144,7 +144,7 @@
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{ case '\n':case EOF:*q='\0';
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return overflow?-1:p!=q; /* did we read anything at all? */
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}
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- if(q==end) /* check here so that a trailing backslash won't be lost */
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+ if(q>=end) /* check here so that a trailing backslash won't be lost */
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q=p,overflow=1;
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*q++=i;
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}
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@@ -199,7 +199,7 @@
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if(*(target=strchr(target,'\0')-1)=='\\')
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{ if(chp2!=target) /* non-empty line? */
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target++; /* then preserve the backslash */
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- if(target>end-2) /* space enough for getbl? */
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+ if(target>=end-2) /* space enough for getbl? */
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target=end-linebuf,overflow=1; /* toss what we have */
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continue;
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}
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From: Jan Darmochwal <jdarmochwal@gmx.de>
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Subject: formail memory corruption fixes
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--- a/src/formail.c
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+++ b/src/formail.c
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@@ -219,7 +219,7 @@
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if(i>=0&&(i!=maxindex(sest)||fldp==rdheader)) /* found anything? */
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{ char*saddr;char*tmp; /* determine the weight */
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nowm=areply&&headreply?headreply==1?sest[i].wrepl:sest[i].wrrepl:i;chp+=j;
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- tmp=malloc(j=fldp->Tot_len-j);tmemmove(tmp,chp,j);(chp=tmp)[j-1]='\0';
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+ tmp=malloc((j=fldp->Tot_len-j) + 1);tmemmove(tmp,chp,j);(chp=tmp)[j-1]='\0';
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if(sest[i].head==From_)
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{ char*pastad;
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if(strchr(saddr=chp,'\n')) /* multiple From_ lines */
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--- a/src/formisc.c
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+++ b/src/formisc.c
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@@ -66,7 +66,7 @@
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retz: *target='\0';
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ret: return start;
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}
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- if(*start=='\\')
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+ if(*start=='\\' && *(start + 1))
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*target++='\\',start++;
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hitspc=2;
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goto normal; /* normal word */
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