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authorBen Lindstrom <mouring@eviladmin.org>2001-06-25 04:18:59 +0000
committerBen Lindstrom <mouring@eviladmin.org>2001-06-25 04:18:59 +0000
commitaf7388046d8238c5d50a78c5ecdc9d782dad01de (patch)
treee5ee197e6787b246b8fd90a47e37dbbc542d81d9 /dh.c
parentf96704d4ef4c55599d9999292abc1457e8153674 (diff)
- provos@cvs.openbsd.org 2001/06/22 21:57:59
[dh.c] increase linebuffer to deal with larger moduli; use rewind instead of close/open
Diffstat (limited to 'dh.c')
-rw-r--r--dh.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/dh.c b/dh.c
index 26deb9fbf..66eb95545 100644
--- a/dh.c
+++ b/dh.c
@@ -23,7 +23,7 @@
23 */ 23 */
24 24
25#include "includes.h" 25#include "includes.h"
26RCSID("$OpenBSD: dh.c,v 1.15 2001/06/22 21:27:07 provos Exp $"); 26RCSID("$OpenBSD: dh.c,v 1.16 2001/06/22 21:57:59 provos Exp $");
27 27
28#include "xmalloc.h" 28#include "xmalloc.h"
29 29
@@ -103,7 +103,7 @@ DH *
103choose_dh(int min, int wantbits, int max) 103choose_dh(int min, int wantbits, int max)
104{ 104{
105 FILE *f; 105 FILE *f;
106 char line[1024]; 106 char line[2048];
107 int best, bestcount, which; 107 int best, bestcount, which;
108 int linenum; 108 int linenum;
109 struct dhgroup dhg; 109 struct dhgroup dhg;
@@ -134,18 +134,14 @@ choose_dh(int min, int wantbits, int max)
134 if (dhg.size == best) 134 if (dhg.size == best)
135 bestcount++; 135 bestcount++;
136 } 136 }
137 fclose (f); 137 rewind(f);
138 138
139 if (bestcount == 0) { 139 if (bestcount == 0) {
140 fclose(f);
140 log("WARNING: no suitable primes in %s", _PATH_DH_PRIMES); 141 log("WARNING: no suitable primes in %s", _PATH_DH_PRIMES);
141 return (NULL); 142 return (NULL);
142 } 143 }
143 144
144 f = fopen(_PATH_DH_PRIMES, "r");
145 if (!f) {
146 fatal("WARNING: %s disappeared, giving up", _PATH_DH_PRIMES);
147 }
148
149 linenum = 0; 145 linenum = 0;
150 which = arc4random() % bestcount; 146 which = arc4random() % bestcount;
151 while (fgets(line, sizeof(line), f)) { 147 while (fgets(line, sizeof(line), f)) {