| … | |
… | |
| 192 | |
192 | |
| 193 | if (recvmsg (socket, &msg, 0) <= 0) |
193 | if (recvmsg (socket, &msg, 0) <= 0) |
| 194 | return -1; |
194 | return -1; |
| 195 | |
195 | |
| 196 | int fd = -1; |
196 | int fd = -1; |
| 197 | |
|
|
| 198 | errno = EDOM; |
197 | errno = EDOM; |
| 199 | |
198 | |
| 200 | if ( |
|
|
| 201 | data == 0 |
|
|
| 202 | #if __OpenBSD__ |
|
|
| 203 | && msg.msg_controllen >= CMSG_LEN (sizeof (int)) /* work around a bug in at least openbsd 4.5 and 4.8 */ |
|
|
| 204 | #else |
|
|
| 205 | && msg.msg_controllen >= CMSG_SPACE (sizeof (int)) |
|
|
| 206 | #endif |
|
|
| 207 | ) { |
|
|
| 208 | struct cmsghdr *cmsg = CMSG_FIRSTHDR (&msg); |
199 | struct cmsghdr *cmsg = CMSG_FIRSTHDR (&msg); |
| 209 | |
200 | |
|
|
201 | if (data == 0 |
|
|
202 | && cmsg |
| 210 | if (cmsg->cmsg_level == SOL_SOCKET |
203 | && cmsg->cmsg_level == SOL_SOCKET |
| 211 | && cmsg->cmsg_type == SCM_RIGHTS |
204 | && cmsg->cmsg_type == SCM_RIGHTS |
| 212 | && cmsg->cmsg_len >= CMSG_LEN (sizeof (int))) |
205 | && cmsg->cmsg_len >= CMSG_LEN (sizeof (int))) |
| 213 | fd = *(int *)CMSG_DATA (cmsg); |
206 | fd = *(int *)CMSG_DATA (cmsg); |
| 214 | } |
|
|
| 215 | |
207 | |
| 216 | free (buf); |
208 | free (buf); |
| 217 | |
209 | |
| 218 | return fd; |
210 | return fd; |
| 219 | #endif |
211 | #endif |
