diff options
Diffstat (limited to 'networking/udhcp/script.c')
| -rw-r--r-- | networking/udhcp/script.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/networking/udhcp/script.c b/networking/udhcp/script.c index 33d96e687..8a188988e 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")); |