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getdata: make single address ranges work

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The dhcpd.conf can contain single IP range definitions, such as

range 10.20.30.40;

and they must be understood similar way as the range definiton would have
two IP's that are the same IP, e.g.,

range 10.20.30.40 10.20.30.40;

Reported-by: Joey D. <jobewan@gmail.com>
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2013-04-22 23:08:21 +01:00
parent b24fc42ec8
commit ffffbc96cc
1 changed files with 10 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/getdata.c
View file

@ -205,7 +205,7 @@ void parse_config(int is_include, const char *restrict config_file,
struct shared_network_t *restrict shared_p)
{
FILE *dhcpd_config;
bool newclause = true, comment = false;
bool newclause = true, comment = false, one_ip_range = false;
int quote = 0, braces = 0, argument = ITS_NOTHING_INTERESTING;
size_t i = 0;
char *word;
@ -268,10 +268,15 @@ void parse_config(int is_include, const char *restrict config_file,
break;
}
if (comment == false
&& argument != ITS_A_RANGE_FIRST_IP
&& argument != ITS_A_RANGE_SECOND_IP
&& argument != ITS_AN_INCLUCE) {
newclause = true;
i = 0;
} else if (argument == ITS_A_RANGE_FIRST_IP) {
one_ip_range = true;
argument = ITS_A_RANGE_SECOND_IP;
c = ' ';
} else if (argument == ITS_A_RANGE_SECOND_IP) {
/* Range ends to ; and this hair in code
* make two ranges wrote together like...
@ -368,6 +373,10 @@ void parse_config(int is_include, const char *restrict config_file,
range_p = ranges + num_ranges;
parse_ipaddr(word, &addr);
argument = ITS_NOTHING_INTERESTING;
if (one_ip_range == true) {
one_ip_range = false;
copy_ipaddr(&range_p->first_ip, &addr);
}
copy_ipaddr(&range_p->last_ip, &addr);
range_p->count = 0;
range_p->touched = 0;