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Handle the case where the rfkill is set when ndhc is initializing.

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This commit is contained in:
Nicholas J. Kain 2015-02-13 17:50:24 -05:00
parent 5b050ba498
commit 79a97131bc
2 changed files with 17 additions and 6 deletions
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22
src/ifset.c
View File

@ -128,12 +128,17 @@ static ssize_t rtnl_do_send(int fd, const uint8_t *sbuf, size_t slen,
}
const struct nlmsghdr *nlh = (const struct nlmsghdr *)response;
if (nlh->nlmsg_type == NLMSG_ERROR) {
if (nlmsg_get_error(nlh) == 0)
int nlerr = nlmsg_get_error(nlh);
if (nlerr == 0)
return 0;
else {
if (nlerr == 132) {
log_line("%s: (%s) RF-kill is set (%d). Cannot change interface.",
client_config.interface, fnname, nlerr);
return -3;
}
log_error("%s: (%s) netlink sendto returned NLMSG_ERROR: %s",
client_config.interface, fnname,
strerror(nlmsg_get_error(nlh)));
client_config.interface, fnname, strerror(nlerr));
return -1;
}
}
@ -475,9 +480,14 @@ int perform_ifup(void)
}
int r = link_set_flags(fd, IFF_UP);
if (r < 0)
log_error("%s: (%s) Failed to set link to be up.",
client_config.interface, __func__);
if (r < 0) {
if (r != -3)
log_error("%s: (%s) Failed to set link to be up.",
client_config.interface, __func__);
else
log_line("%s: (%s) rfkill is set; waiting until it is unset",
client_config.interface, __func__);
}
close(fd);
return r;
}

1
src/ndhc.c
View File

@ -493,6 +493,7 @@ int main(int argc, char *argv[])
switch (perform_ifup()) {
case 1: cs.ifsPrevState = IFS_UP;
case 0: break;
case -3: cs.rfkill_set = 1; cs.ifsPrevState = IFS_DOWN; break;
default: suicide("failed to set the interface to up state");
}