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- dtucker@cvs.openbsd.org 2006/03/13 08:43:16 

[ssh-keygen.c]
     Make ssh-keygen handle CR and CRLF line termination when converting IETF
     format keys, in adition to vanilla LF.  mindrot #1157, tested by Chris
     Pepper, ok djm@
This commit is contained in:
Damien Miller 2006-03-15 12:05:40 +11:00
parent 314dd4b2f3
commit 8056a9d46a
2 changed files with 39 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
ChangeLog
View File

@ -215,6 +215,11 @@
Set TCP_NODELAY for all connections not just "interactive" ones. Fixes
poor performance and protocol stalls under some network conditions (mindrot
bugs #556 and #981). Patch originally from markus@, ok djm@
- dtucker@cvs.openbsd.org 2006/03/13 08:43:16
[ssh-keygen.c]
Make ssh-keygen handle CR and CRLF line termination when converting IETF
format keys, in adition to vanilla LF. mindrot #1157, tested by Chris
Pepper, ok djm@
20060313
- (dtucker) [configure.ac] Bug #1171: Don't use printf("%lld", longlong)
@ -4116,4 +4121,4 @@
- (djm) Trim deprecated options from INSTALL. Mention UsePAM
- (djm) Fix quote handling in sftp; Patch from admorten AT umich.edu
$Id: ChangeLog,v 1.4201 2006/03/15 01:05:22 djm Exp $
$Id: ChangeLog,v 1.4202 2006/03/15 01:05:40 djm Exp $

42
ssh-keygen.c
View File

@ -12,7 +12,7 @@
*/
#include "includes.h"
RCSID("$OpenBSD: ssh-keygen.c,v 1.136 2006/02/20 17:19:54 stevesk Exp $");
RCSID("$OpenBSD: ssh-keygen.c,v 1.137 2006/03/13 08:43:16 dtucker Exp $");
#include <sys/types.h>
#include <sys/stat.h>
@ -305,13 +305,42 @@ do_convert_private_ssh2_from_blob(u_char *blob, u_int blen)
return key;
}
static int
get_line(FILE *fp, char *line, size_t len)
{
int c;
size_t pos = 0;
line[0] = '\0';
while ((c = fgetc(fp)) != EOF) {
if (pos >= len - 1) {
fprintf(stderr, "input line too long.\n");
exit(1);
}
switch(c) {
case '\r':
c = fgetc(fp);
if (c != EOF && c != '\n' && ungetc(c, fp) == EOF) {
fprintf(stderr, "unget: %s\n", strerror(errno));
exit(1);
}
return pos;
case '\n':
return pos;
}
line[pos++] = c;
line[pos] = '\0';
}
return pos;
}
static void
do_convert_from_ssh2(struct passwd *pw)
{
Key *k;
int blen;
u_int len;
char line[1024], *p;
char line[1024];
u_char blob[8096];
char encoded[8096];
struct stat st;
@ -330,12 +359,8 @@ do_convert_from_ssh2(struct passwd *pw)
exit(1);
}
encoded[0] = '\0';
while (fgets(line, sizeof(line), fp)) {
if (!(p = strchr(line, '\n'))) {
fprintf(stderr, "input line too long.\n");
exit(1);
}
if (p > line && p[-1] == '\\')
while ((blen = get_line(fp, line, sizeof(line))) != -1) {
if (line[blen - 1] == '\\')
escaped++;
if (strncmp(line, "----", 4) == 0 ||
strstr(line, ": ") != NULL) {
@ -352,7 +377,6 @@ do_convert_from_ssh2(struct passwd *pw)
/* fprintf(stderr, "escaped: %s", line); */
continue;
}
*p = '\0';
strlcat(encoded, line, sizeof(encoded));
}
len = strlen(encoded);