return -1;
}
- if (setsockopt(rth->fd,SOL_SOCKET,SO_SNDBUF,&sndbuf,sizeof(sndbuf)) < 0) {
+ if (setsockopt(rth->fd, SOL_SOCKET, SO_SNDBUF, &sndbuf, sizeof(sndbuf))
+ < 0) {
perror("SO_SNDBUF");
return -1;
}
- if (setsockopt(rth->fd,SOL_SOCKET,SO_RCVBUF,&rcvbuf,sizeof(rcvbuf)) < 0) {
+ if (setsockopt(rth->fd, SOL_SOCKET, SO_RCVBUF, &rcvbuf, sizeof(rcvbuf))
+ < 0) {
perror("SO_RCVBUF");
return -1;
}
rth->local.nl_family = AF_NETLINK;
rth->local.nl_groups = subscriptions;
- if (bind(rth->fd, (struct sockaddr*)&rth->local, sizeof(rth->local)) < 0) {
+ if (bind(rth->fd, (struct sockaddr *)&rth->local, sizeof(rth->local)) <
+ 0) {
perror("Cannot bind netlink socket");
return -1;
}
addr_len = sizeof(rth->local);
- if (getsockname(rth->fd, (struct sockaddr*)&rth->local, &addr_len) < 0) {
+ if (getsockname(rth->fd, (struct sockaddr *)&rth->local, &addr_len) < 0) {
perror("Cannot getsockname");
return -1;
}
return -1;
}
if (rth->local.nl_family != AF_NETLINK) {
- fprintf(stderr, "Wrong address family %d\n", rth->local.nl_family);
+ fprintf(stderr, "Wrong address family %d\n",
+ rth->local.nl_family);
return -1;
}
rth->seq = time(NULL);
memset(&req, 0, sizeof(req));
req.nlh.nlmsg_len = sizeof(req);
req.nlh.nlmsg_type = type;
- req.nlh.nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST;
+ req.nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST;
req.nlh.nlmsg_pid = 0;
req.nlh.nlmsg_seq = rth->dump = ++rth->seq;
req.g.rtgen_family = family;
- return sendto(rth->fd, (void*)&req, sizeof(req), 0,
- (struct sockaddr*)&nladdr, sizeof(nladdr));
+ return sendto(rth->fd, (void *)&req, sizeof(req), 0,
+ (struct sockaddr *)&nladdr, sizeof(nladdr));
}
int rtnl_send(struct rtnl_handle *rth, const char *buf, int len)
memset(&nladdr, 0, sizeof(nladdr));
nladdr.nl_family = AF_NETLINK;
- return sendto(rth->fd, buf, len, 0, (struct sockaddr*)&nladdr, sizeof(nladdr));
+ return sendto(rth->fd, buf, len, 0, (struct sockaddr *)&nladdr,
+ sizeof(nladdr));
}
int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len)
struct nlmsghdr nlh;
struct sockaddr_nl nladdr;
struct iovec iov[2] = {
- { .iov_base = &nlh, .iov_len = sizeof(nlh) },
- { .iov_base = req, .iov_len = len }
+ {.iov_base = &nlh,.iov_len = sizeof(nlh)}
+ ,
+ {.iov_base = req,.iov_len = len}
};
struct msghdr msg = {
.msg_name = &nladdr,
- .msg_namelen = sizeof(nladdr),
+ .msg_namelen = sizeof(nladdr),
.msg_iov = iov,
.msg_iovlen = 2,
};
nlh.nlmsg_len = NLMSG_LENGTH(len);
nlh.nlmsg_type = type;
- nlh.nlmsg_flags = NLM_F_ROOT|NLM_F_MATCH|NLM_F_REQUEST;
+ nlh.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST;
nlh.nlmsg_pid = 0;
nlh.nlmsg_seq = rth->dump = ++rth->seq;
int rtnl_dump_filter(struct rtnl_handle *rth,
rtnl_filter_t filter,
- void *arg1,
- rtnl_filter_t junk,
- void *arg2)
+ void *arg1, rtnl_filter_t junk, void *arg2)
{
struct sockaddr_nl nladdr;
struct iovec iov;
return -1;
}
- h = (struct nlmsghdr*)buf;
+ h = (struct nlmsghdr *)buf;
while (NLMSG_OK(h, status)) {
int err;
if (h->nlmsg_type == NLMSG_DONE)
return 0;
if (h->nlmsg_type == NLMSG_ERROR) {
- struct nlmsgerr *err = (struct nlmsgerr*)NLMSG_DATA(h);
- if (h->nlmsg_len < NLMSG_LENGTH(sizeof(struct nlmsgerr))) {
+ struct nlmsgerr *err =
+ (struct nlmsgerr *)NLMSG_DATA(h);
+ if (h->nlmsg_len <
+ NLMSG_LENGTH(sizeof(struct nlmsgerr))) {
fprintf(stderr, "ERROR truncated\n");
} else {
errno = -err->error;
if (err < 0)
return err;
-skip_it:
+ skip_it:
h = NLMSG_NEXT(h, status);
}
if (msg.msg_flags & MSG_TRUNC) {
}
if (status) {
fprintf(stderr, "!!!Remnant of size %d\n", status);
- exit(1);
+ return -1;
}
}
}
int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
unsigned groups, struct nlmsghdr *answer,
- rtnl_filter_t junk,
- void *jarg)
+ rtnl_filter_t junk, void *jarg)
{
int status;
unsigned seq;
struct nlmsghdr *h;
struct sockaddr_nl nladdr;
struct iovec iov = {
- .iov_base = (void*) n,
+ .iov_base = (void *)n,
.iov_len = n->nlmsg_len
};
struct msghdr msg = {
.msg_iov = &iov,
.msg_iovlen = 1,
};
- char buf[16384];
+ char buf[16384];
memset(&nladdr, 0, sizeof(nladdr));
nladdr.nl_family = AF_NETLINK;
return -1;
}
- memset(buf,0,sizeof(buf));
+ memset(buf, 0, sizeof(buf));
iov.iov_base = buf;
return -1;
}
if (msg.msg_namelen != sizeof(nladdr)) {
- fprintf(stderr, "sender address length == %d\n", msg.msg_namelen);
- exit(1);
+ fprintf(stderr, "sender address length == %d\n",
+ msg.msg_namelen);
+ return -1;
}
- for (h = (struct nlmsghdr*)buf; status >= sizeof(*h); ) {
+ for (h = (struct nlmsghdr *)buf; status >= sizeof(*h);) {
int err;
int len = h->nlmsg_len;
int l = len - sizeof(*h);
- if (l<0 || len>status) {
+ if (l < 0 || len > status) {
if (msg.msg_flags & MSG_TRUNC) {
fprintf(stderr, "Truncated message\n");
return -1;
}
- fprintf(stderr, "!!!malformed message: len=%d\n", len);
- exit(1);
+ fprintf(stderr,
+ "!!!malformed message: len=%d\n", len);
+ return -1;
}
if (nladdr.nl_pid != peer ||
}
/* Don't forget to skip that message. */
status -= NLMSG_ALIGN(len);
- h = (struct nlmsghdr*)((char*)h + NLMSG_ALIGN(len));
+ h = (struct nlmsghdr *)((char *)h +
+ NLMSG_ALIGN(len));
continue;
}
if (h->nlmsg_type == NLMSG_ERROR) {
- struct nlmsgerr *err = (struct nlmsgerr*)NLMSG_DATA(h);
+ struct nlmsgerr *err =
+ (struct nlmsgerr *)NLMSG_DATA(h);
if (l < sizeof(struct nlmsgerr)) {
fprintf(stderr, "ERROR truncated\n");
} else {
errno = -err->error;
if (errno == 0) {
if (answer)
- memcpy(answer, h, h->nlmsg_len);
+ memcpy(answer, h,
+ h->nlmsg_len);
return 0;
}
perror("RTNETLINK answers");
fprintf(stderr, "Unexpected reply!!!\n");
status -= NLMSG_ALIGN(len);
- h = (struct nlmsghdr*)((char*)h + NLMSG_ALIGN(len));
+ h = (struct nlmsghdr *)((char *)h + NLMSG_ALIGN(len));
}
if (msg.msg_flags & MSG_TRUNC) {
fprintf(stderr, "Message truncated\n");
}
if (status) {
fprintf(stderr, "!!!Remnant of size %d\n", status);
- exit(1);
+ return -1;
}
}
}
-int rtnl_listen(struct rtnl_handle *rtnl,
- rtnl_filter_t handler,
- void *jarg)
+int rtnl_listen(struct rtnl_handle *rtnl, rtnl_filter_t handler, void *jarg)
{
int status;
struct nlmsghdr *h;
.msg_iov = &iov,
.msg_iovlen = 1,
};
- char buf[8192];
+ char buf[8192];
memset(&nladdr, 0, sizeof(nladdr));
nladdr.nl_family = AF_NETLINK;
if (status < 0) {
if (errno == EINTR)
continue;
- if (errno == EAGAIN)
- return 0;
+ if (errno == EAGAIN)
+ return 0;
perror("OVERRUN");
- return -1;
+ return -1;
}
if (status == 0) {
fprintf(stderr, "EOF on netlink\n");
return -1;
}
if (msg.msg_namelen != sizeof(nladdr)) {
- fprintf(stderr, "Sender address length == %d\n", msg.msg_namelen);
- exit(1);
+ fprintf(stderr, "Sender address length == %d\n",
+ msg.msg_namelen);
+ return -1;
}
- for (h = (struct nlmsghdr*)buf; status >= sizeof(*h); ) {
+ for (h = (struct nlmsghdr *)buf; status >= sizeof(*h);) {
int err;
int len = h->nlmsg_len;
int l = len - sizeof(*h);
- if (l<0 || len>status) {
+ if (l < 0 || len > status) {
if (msg.msg_flags & MSG_TRUNC) {
fprintf(stderr, "Truncated message\n");
return -1;
}
- fprintf(stderr, "!!!malformed message: len=%d\n", len);
- exit(1);
+ fprintf(stderr,
+ "!!!malformed message: len=%d\n", len);
+ return -1;
}
err = handler(&nladdr, h, jarg);
if (err < 0) {
- fprintf(stderr, "Handler returned %d\n", err);
- return err;
- }
+ fprintf(stderr, "Handler returned %d\n", err);
+ return err;
+ }
status -= NLMSG_ALIGN(len);
- h = (struct nlmsghdr*)((char*)h + NLMSG_ALIGN(len));
+ h = (struct nlmsghdr *)((char *)h + NLMSG_ALIGN(len));
}
if (msg.msg_flags & MSG_TRUNC) {
fprintf(stderr, "Message truncated\n");
}
if (status) {
fprintf(stderr, "!!!Remnant of size %d\n", status);
- exit(1);
+ return -1;
}
}
}
-int rtnl_from_file(FILE *rtnl, rtnl_filter_t handler,
- void *jarg)
+int rtnl_from_file(FILE * rtnl, rtnl_filter_t handler, void *jarg)
{
int status;
struct sockaddr_nl nladdr;
- char buf[8192];
- struct nlmsghdr *h = (void*)buf;
+ char buf[8192];
+ struct nlmsghdr *h = (void *)buf;
memset(&nladdr, 0, sizeof(nladdr));
nladdr.nl_family = AF_NETLINK;
return 0;
len = h->nlmsg_len;
- type= h->nlmsg_type;
+ type = h->nlmsg_type;
l = len - sizeof(*h);
- if (l<0 || len>sizeof(buf)) {
+ if (l < 0 || len > sizeof(buf)) {
fprintf(stderr, "!!!malformed message: len=%d @%lu\n",
len, ftell(rtnl));
return -1;
int len = RTA_LENGTH(4);
struct rtattr *rta;
if (NLMSG_ALIGN(n->nlmsg_len) + len > maxlen) {
- fprintf(stderr,"addattr32: Error! max allowed bound %d exceeded\n",maxlen);
+ fprintf(stderr,
+ "addattr32: Error! max allowed bound %d exceeded\n",
+ maxlen);
return -1;
}
rta = NLMSG_TAIL(n);
struct rtattr *rta;
if (NLMSG_ALIGN(n->nlmsg_len) + RTA_ALIGN(len) > maxlen) {
- fprintf(stderr, "addattr_l ERROR: message exceeded bound of %d\n",maxlen);
+ fprintf(stderr,
+ "addattr_l ERROR: message exceeded bound of %d\n",
+ maxlen);
return -1;
}
rta = NLMSG_TAIL(n);
int addraw_l(struct nlmsghdr *n, int maxlen, const void *data, int len)
{
if (NLMSG_ALIGN(n->nlmsg_len) + NLMSG_ALIGN(len) > maxlen) {
- fprintf(stderr, "addraw_l ERROR: message exceeded bound of %d\n",maxlen);
+ fprintf(stderr,
+ "addraw_l ERROR: message exceeded bound of %d\n",
+ maxlen);
return -1;
}
memcpy(NLMSG_TAIL(n), data, len);
- memset((void *) NLMSG_TAIL(n) + len, 0, NLMSG_ALIGN(len) - len);
+ memset((void *)NLMSG_TAIL(n) + len, 0, NLMSG_ALIGN(len) - len);
n->nlmsg_len = NLMSG_ALIGN(n->nlmsg_len) + NLMSG_ALIGN(len);
return 0;
}
struct rtattr *subrta;
if (RTA_ALIGN(rta->rta_len) + len > maxlen) {
- fprintf(stderr,"rta_addattr32: Error! max allowed bound %d exceeded\n",maxlen);
+ fprintf(stderr,
+ "rta_addattr32: Error! max allowed bound %d exceeded\n",
+ maxlen);
return -1;
}
- subrta = (struct rtattr*)(((char*)rta) + RTA_ALIGN(rta->rta_len));
+ subrta = (struct rtattr *)(((char *)rta) + RTA_ALIGN(rta->rta_len));
subrta->rta_type = type;
subrta->rta_len = len;
memcpy(RTA_DATA(subrta), &data, 4);
int len = RTA_LENGTH(alen);
if (RTA_ALIGN(rta->rta_len) + RTA_ALIGN(len) > maxlen) {
- fprintf(stderr,"rta_addattr_l: Error! max allowed bound %d exceeded\n",maxlen);
+ fprintf(stderr,
+ "rta_addattr_l: Error! max allowed bound %d exceeded\n",
+ maxlen);
return -1;
}
- subrta = (struct rtattr*)(((char*)rta) + RTA_ALIGN(rta->rta_len));
+ subrta = (struct rtattr *)(((char *)rta) + RTA_ALIGN(rta->rta_len));
subrta->rta_type = type;
subrta->rta_len = len;
memcpy(RTA_DATA(subrta), data, alen);
while (RTA_OK(rta, len)) {
if (rta->rta_type <= max)
tb[rta->rta_type] = rta;
- rta = RTA_NEXT(rta,len);
+ rta = RTA_NEXT(rta, len);
}
if (len)
- fprintf(stderr, "!!!Deficit %d, rta_len=%d\n", len, rta->rta_len);
+ fprintf(stderr, "!!!Deficit %d, rta_len=%d\n", len,
+ rta->rta_len);
return 0;
}
-int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len)
+int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta,
+ int len)
{
int i = 0;
while (RTA_OK(rta, len)) {
if (rta->rta_type <= max && i < max)
tb[i++] = rta;
- rta = RTA_NEXT(rta,len);
+ rta = RTA_NEXT(rta, len);
}
if (len)
- fprintf(stderr, "!!!Deficit %d, rta_len=%d\n", len, rta->rta_len);
+ fprintf(stderr, "!!!Deficit %d, rta_len=%d\n", len,
+ rta->rta_len);
return i;
}
projects / people / ms / rstp.git / blobdiff