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| author | Guillaume Cottenceau <gc@mandriva.com> | 2001-05-18 00:35:31 +0000 |
|---|---|---|
| committer | Guillaume Cottenceau <gc@mandriva.com> | 2001-05-18 00:35:31 +0000 |
| commit | 8df3626ae183a2febde90a749c12ae1f425b9ffc (patch) | |
| tree | 9e078b84bc590f1c9228f80aa03e52ee256c4bde /mdk-stage1 | |
| parent | 2b6f7b53352babe10abc8d2bfdccb4f7e8fbe33e (diff) | |
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- better detect when IP is not good
- error_msg when netmask seems invalid
- don't log too much `guessing netmask'
Diffstat (limited to 'mdk-stage1')
| -rw-r--r-- | mdk-stage1/network.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/mdk-stage1/network.c b/mdk-stage1/network.c index 7e154de2a..4efecda13 100644 --- a/mdk-stage1/network.c +++ b/mdk-stage1/network.c @@ -311,11 +311,11 @@ char * guess_netmask(char * ip_addr) struct in_addr addr; unsigned long int tmp; - log_message("guessing netmask"); - if (streq(ip_addr, "") || !inet_aton(ip_addr, &addr)) return ""; + log_message("guessing netmask"); + tmp = ntohl(addr.s_addr); if (((tmp & 0xFF000000) >> 24) <= 127) @@ -372,7 +372,7 @@ static enum return_type setup_network_interface(struct interface_info * intf) if (results != RETURN_OK) return setup_network_interface(intf); - if (!inet_aton(answers[0], &addr)) { + if (streq(answers[0], "") || !inet_aton(answers[0], &addr)) { stg1_error_message("Invalid IP address."); return setup_network_interface(intf); } @@ -391,6 +391,10 @@ static enum return_type setup_network_interface(struct interface_info * intf) if ((streq(answers[3], "") && inet_aton(guess_netmask(answers[0]), &addr)) || inet_aton(answers[3], &addr)) memcpy(&intf->netmask, &addr, sizeof(addr)); + else { + stg1_error_message("Invalid netmask."); + return setup_network_interface(intf); + } *((uint32_t *) &intf->broadcast) = (*((uint32_t *) &intf->ip) & *((uint32_t *) &intf->netmask)) | ~(*((uint32_t *) &intf->netmask)); |