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author | Brian Feldman <green@FreeBSD.org> | 2004-05-19 21:20:01 +0000 |
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committer | Brian Feldman <green@FreeBSD.org> | 2004-05-19 21:20:01 +0000 |
commit | 02c3df91c47a72d402ade0b3af3e6a0b6ee9dbfe (patch) | |
tree | 16d7669ba445ea5fd7ae5ff3ed1767a5cec64f09 /security/cfs | |
parent | 0c89e561d2dc215d5acf6d05ad7f94bbf28d492f (diff) | |
download | ports-02c3df91c47a72d402ade0b3af3e6a0b6ee9dbfe.tar.gz ports-02c3df91c47a72d402ade0b3af3e6a0b6ee9dbfe.zip |
Notes
Diffstat (limited to 'security/cfs')
-rw-r--r-- | security/cfs/Makefile | 2 | ||||
-rw-r--r-- | security/cfs/files/patch-cfs_fh.c | 71 |
2 files changed, 1 insertions, 72 deletions
diff --git a/security/cfs/Makefile b/security/cfs/Makefile index 38d2e4f8d641..43df0eb952eb 100644 --- a/security/cfs/Makefile +++ b/security/cfs/Makefile @@ -7,7 +7,7 @@ PORTNAME= cfs PORTVERSION= 1.4.1 -PORTREVISION= 1 +PORTREVISION= 2 CATEGORIES= security MASTER_SITES= http://www.crypto.com/software/ diff --git a/security/cfs/files/patch-cfs_fh.c b/security/cfs/files/patch-cfs_fh.c deleted file mode 100644 index f2fcf64686bf..000000000000 --- a/security/cfs/files/patch-cfs_fh.c +++ /dev/null @@ -1,71 +0,0 @@ ---- cfs_fh.c.orig Sat Apr 17 20:44:41 2004 -+++ cfs_fh.c Sat Apr 17 23:01:11 2004 -@@ -225,7 +225,9 @@ - } - - /* -- * set high order bits -+ * Carefully frob the high order bits of s in a way that is both easily -+ * reversible (see unchksum) and backwards-compatible (at least for 7-bit -+ * characters). - */ - chksum(s,l) - char *s; -@@ -236,16 +238,44 @@ - u_char bits[8]; - - acc=0; -- for (i=0; s[i]!='\0'; i++) -- acc += s[i]*((i%6)+1); -+ /* Everything we do here must be reproducible without knowledge of -+ bit 7 because unchksum won't have that information. Therefore, -+ only accumulate the lower 7 bits of each char and stop at the -+ first occurrence of either 0x00 or 0x80. Note that, for inputs -+ with bit 7 constantly zero, this is equivalent to looking at the -+ whole string. */ -+ for (i=0; (s[i]&0x7f) != '\0'; i++) -+ acc += (s[i]&0x7f)*((i%6)+1); -+ for (; s[i]!='\0'; i++) /* advance i if we stopped at a 0x80 */ -+ ; - for (i++; i<l; i++) /* fill up the end */ - s[i] = s[i%8]; - for (i=0; i<8; i++) - bits[i] = (acc<<(i%8))&0x80; - for (i=0; i<l; i++) -- s[i] |= bits[i%8]; -+ s[i] ^= bits[i%8]; - } - -+unchksum(s,l) -+ char *s; -+ long l; -+{ -+ u_long acc; -+ int i; -+ u_char bits[8]; -+ -+ acc=0; -+ for (i=0; (s[i]&0x7f) != '\0'; i++) -+ acc += (s[i]&0x7f)*((i%6)+1); -+ for (i=0; i<8; i++) -+ bits[i] = (acc<<(i%8))&0x80; -+ for (i=0; i<l; i++) { -+ s[i] ^= bits[i%8]; -+ /* not sure whether this actually buys any performance */ -+ if(s[i]=='\0') -+ break; /* found end of filename, can stop here */ -+ } -+} - - /* - * decrypt path component -@@ -286,8 +316,7 @@ - if (l%CFSBLOCK) - return NULL; - dodecrypt(key,clearstring,l,10241,zerovect); -- for (i=0; (clearstring[i]&0x7f) !='\0'; i++) -- clearstring[i] &= 0x7f; -+ unchksum(clearstring,l); - clearstring[i]='\0'; - return clearstring; - } |