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Fix missing fatal errors when parsing some command-line/config options.

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This commit is contained in:
Simon Kelley
2018-07-19 22:00:08 +01:00
parent ab5ceaf74a
commit a3bd7e73d3
2 changed files with 13 additions and 19 deletions
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4
CHANGELOG
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@@ -37,6 +37,10 @@ version 2.80
without DNSSEC RRs to queries with the do-bit set, but only when
DNSSEC validation was not enabled.
Thanks to Petr Menšík for spotting this.
Fix missing fatal errors with some malformed options
(server, local, address, rebind-domain-ok, ipset, alias).
Thanks to Eugene Lozovoy for spotting the problem.
version 2.79

28
src/option.c
View File

@@ -2417,7 +2417,7 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
if (strcmp(arg, "#") == 0)
domain = "";
else if (strlen (arg) != 0 && !(domain = canonicalise_opt(arg)))
option = '?';
ret_err(gen_err);
serv = opt_malloc(sizeof(struct server));
memset(serv, 0, sizeof(struct server));
serv->next = newlist;
@@ -2549,7 +2549,7 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
if (strcmp(arg, "#") == 0 || !*arg)
domain = "";
else if (strlen(arg) != 0 && !(domain = canonicalise_opt(arg)))
option = '?';
ret_err(gen_err);
ipsets->next = opt_malloc(sizeof(struct ipsets));
ipsets = ipsets->next;
memset(ipsets, 0, sizeof(struct ipsets));
@@ -2564,13 +2564,11 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
memset(ipsets, 0, sizeof(struct ipsets));
ipsets->domain = "";
}
if (!arg || !*arg)
{
option = '?';
break;
}
size = 2;
for (end = arg; *end; ++end)
ret_err(gen_err);
for (size = 2, end = arg; *end; ++end)
if (*end == ',')
++size;
@@ -2798,12 +2796,6 @@ static int one_opt(int option, char *arg, char *errstr, char *gen_err, int comma
memset (new, 0, sizeof(*new));
new->lease_time = DEFLEASE;
if (!arg)
{
option = '?';
break;
}
while(1)
{
for (cp = arg; *cp; cp++)
@@ -3805,11 +3797,9 @@ err:
if ((k < 2) ||
(!(inet_pton(AF_INET, a[0], &new->in) > 0)) ||
(!(inet_pton(AF_INET, a[1], &new->out) > 0)))
option = '?';
if (k == 3 && !inet_pton(AF_INET, a[2], &new->mask))
option = '?';
(!(inet_pton(AF_INET, a[1], &new->out) > 0)) ||
(k == 3 && !inet_pton(AF_INET, a[2], &new->mask)))
ret_err(_("missing address in alias"));
if (dash &&
(!(inet_pton(AF_INET, dash, &new->end) > 0) ||