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Diffstat (limited to 'networking/udhcp/script.c')
-rw-r--r--networking/udhcp/script.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/networking/udhcp/script.c b/networking/udhcp/script.c
index 33d96e6..8a18898 100644
--- a/networking/udhcp/script.c
+++ b/networking/udhcp/script.c
@@ -33,7 +33,7 @@ static const uint8_t max_option_length[] = {
static inline int upper_length(int length, int opt_index)
{
return max_option_length[opt_index] *
- (length / option_lengths[opt_index]);
+ (length / dhcp_option_lengths[opt_index]);
}
@@ -57,7 +57,7 @@ static int mton(uint32_t mask)
/* Allocate and fill with the text of option 'option'. */
-static char *alloc_fill_opts(uint8_t *option, const struct dhcp_option *type_p)
+static char *alloc_fill_opts(uint8_t *option, const struct dhcp_option *type_p, const char *opt_name)
{
int len, type, optlen;
uint16_t val_u16;
@@ -68,10 +68,10 @@ static char *alloc_fill_opts(uint8_t *option, const struct dhcp_option *type_p)
len = option[OPT_LEN - 2];
type = type_p->flags & TYPE_MASK;
- optlen = option_lengths[type];
+ optlen = dhcp_option_lengths[type];
- dest = ret = xmalloc(upper_length(len, type) + strlen(type_p->opt_name) + 2);
- dest += sprintf(ret, "%s=", type_p->opt_name);
+ dest = ret = xmalloc(upper_length(len, type) + strlen(opt_name) + 2);
+ dest += sprintf(ret, "%s=", opt_name);
for (;;) {
switch (type) {
@@ -133,6 +133,7 @@ static char **fill_envp(struct dhcpMessage *packet)
int i, j;
char **envp;
char *var;
+ const char *opt_name;
uint8_t *temp;
char over = 0;
@@ -171,11 +172,13 @@ static char **fill_envp(struct dhcpMessage *packet)
envp[j] = xmalloc(sizeof("ip=255.255.255.255"));
sprintip(envp[j++], "ip=", (uint8_t *) &packet->yiaddr);
- for (i = 0; dhcp_options[i].code; i++) {
+ opt_name = dhcp_option_strings;
+ i = 0;
+ while (*opt_name) {
temp = get_option(packet, dhcp_options[i].code);
if (!temp)
- continue;
- envp[j++] = alloc_fill_opts(temp, &dhcp_options[i]);
+ goto next;
+ envp[j++] = alloc_fill_opts(temp, &dhcp_options[i], opt_name);
/* Fill in a subnet bits option for things like /24 */
if (dhcp_options[i].code == DHCP_SUBNET) {
@@ -183,6 +186,9 @@ static char **fill_envp(struct dhcpMessage *packet)
memcpy(&subnet, temp, 4);
envp[j++] = xasprintf("mask=%d", mton(subnet));
}
+ next:
+ opt_name += strlen(opt_name) + 1;
+ i++;
}
if (packet->siaddr) {
envp[j] = xmalloc(sizeof("siaddr=255.255.255.255"));