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Code Issues Releases Activity

Correct more cases of allocation size bookkeeping being updated before

Browse Source 
calling functions which can potentially fail and cause cleanups to be
invoked.

Submitted by:	Solar Designer <solar@openwall.com>
This commit is contained in:
Jacques Vidrine 2003-09-17 14:36:14 +00:00
parent 8947bcb756
commit 454412956c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/vendor-crypto/openssh/dist/; revision=120161
2 changed files with 9 additions and 6 deletions
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4
crypto/openssh/deattack.c
View File

@ -100,12 +100,12 @@ detect_attack(u_char *buf, u_int32_t len, u_char *IV)
if (h == NULL) {
debug("Installing crc compensation attack detector.");
h = (u_int16_t *) xmalloc(l * HASH_ENTRYSIZE);
n = l;
h = (u_int16_t *) xmalloc(n * HASH_ENTRYSIZE);
} else {
if (l > n) {
h = (u_int16_t *) xrealloc(h, l * HASH_ENTRYSIZE);
n = l;
h = (u_int16_t *) xrealloc(h, n * HASH_ENTRYSIZE);
}
}

11
crypto/openssh/misc.c
View File

@ -308,18 +308,21 @@ addargs(arglist *args, char *fmt, ...)
{
va_list ap;
char buf[1024];
int nalloc;
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
nalloc = args->nalloc;
if (args->list == NULL) {
args->nalloc = 32;
nalloc = 32;
args->num = 0;
} else if (args->num+2 >= args->nalloc)
args->nalloc *= 2;
} else if (args->num+2 >= nalloc)
nalloc *= 2;
args->list = xrealloc(args->list, args->nalloc * sizeof(char *));
args->list = xrealloc(args->list, nalloc * sizeof(char *));
args->nalloc = nalloc;
args->list[args->num++] = xstrdup(buf);
args->list[args->num] = NULL;
}