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(der_parse_hex_heim_integer): make more resiliant to errors, handle

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odd length numbers.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@16571 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2006-01-16 23:01:11 +00:00
parent 6325518929
commit 8018ea69c2
1 changed files with 13 additions and 4 deletions
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17
lib/asn1/der_format.c
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@@ -51,17 +51,26 @@ der_parse_hex_heim_integer (const char *p, heim_integer *data)
} }
len = strlen(p); len = strlen(p);
if (len < 0) if (len < 0) {
data->data = NULL;
data->length = 0;
return EINVAL; return EINVAL;
}
data->length = len / 2; data->length = (len / 2) + 1;
data->data = malloc(data->length); data->data = malloc(data->length);
if (data->data == NULL) if (data->data == NULL) {
data->length = 0;
return ENOMEM; return ENOMEM;
}
len = hex_decode(p, data->data, data->length); len = hex_decode(p, data->data, data->length);
if (len < 0) if (len < 0) {
free(data->data);
data->data = NULL;
data->length = 0;
return EINVAL; return EINVAL;
}
{ {
unsigned char *p = data->data; unsigned char *p = data->data;