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catch underflow/overflow errors

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24836 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2009-02-27 03:27:21 +00:00
parent 6a27427df8
commit d3343b5027
1 changed files with 7 additions and 1 deletions
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8
lib/krb5/verify_krb5_conf.c
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@@ -88,9 +88,15 @@ check_time(krb5_context context, const char *path, char *data)
static int static int
check_numeric(krb5_context context, const char *path, char *data) check_numeric(krb5_context context, const char *path, char *data)
{ {
long int v; long v;
char *end; char *end;
v = strtol(data, &end, 0); v = strtol(data, &end, 0);
if ((v == LONG_MIN || v == LONG_MAX) && errno != 0) {
krb5_warnx(context, "%s: over/under flow for \"%s\"",
path, data);
return 1;
}
if(*end != '\0') { if(*end != '\0') {
krb5_warnx(context, "%s: failed to parse \"%s\" as a number", krb5_warnx(context, "%s: failed to parse \"%s\" as a number",
path, data); path, data);