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Lines 223-232
tap_init(struct net_backend *be, const char *devname,
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| 223 |
struct tap_priv *priv = NET_BE_PRIV(be); |
223 |
struct tap_priv *priv = NET_BE_PRIV(be); |
| 224 |
char tbuf[80]; |
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char tbuf[80]; |
| 225 |
int opt = 1; |
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int opt = 1; |
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#if defined(INET6) || defined(INET) |
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| 227 |
struct ifreq ifrq; |
| 228 |
int s; |
| 229 |
#endif |
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#ifndef WITHOUT_CAPSICUM |
226 |
#ifndef WITHOUT_CAPSICUM |
| 231 |
cap_rights_t rights; |
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cap_rights_t rights; |
| 232 |
#endif |
228 |
#endif |
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Lines 254-292
tap_init(struct net_backend *be, const char *devname,
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| 254 |
goto error; |
250 |
goto error; |
| 255 |
} |
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} |
| 256 |
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| 257 |
#if defined(INET6) || defined(INET) |
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int up = IFF_UP; |
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/* |
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if (ioctl(be->fd, VMIO_SIOCSIFFLAGS, &up)) { |
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* Try to UP the interface rather than relying on |
255 |
WPRINTF(("tap device link up failed")); |
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* net.link.tap.up_on_open. |
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*/ |
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bzero(&ifrq, sizeof(ifrq)); |
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if (ioctl(be->fd, TAPGIFNAME, &ifrq) < 0) { |
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WPRINTF(("Could not get interface name")); |
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goto error; |
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} |
| 267 |
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| 268 |
s = -1; |
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for (size_t i = 0; s == -1 && i < nitems(pf_list); i++) |
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s = socket(pf_list[i], SOCK_DGRAM, 0); |
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if (s == -1) { |
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WPRINTF(("Could open socket")); |
| 273 |
goto error; |
256 |
goto error; |
| 274 |
} |
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} |
| 275 |
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258 |
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| 276 |
if (ioctl(s, SIOCGIFFLAGS, &ifrq) < 0) { |
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| 277 |
(void)close(s); |
| 278 |
WPRINTF(("Could not get interface flags")); |
| 279 |
goto error; |
| 280 |
} |
| 281 |
ifrq.ifr_flags |= IFF_UP; |
| 282 |
if (ioctl(s, SIOCSIFFLAGS, &ifrq) < 0) { |
| 283 |
(void)close(s); |
| 284 |
WPRINTF(("Could not set interface flags")); |
| 285 |
goto error; |
| 286 |
} |
| 287 |
(void)close(s); |
| 288 |
#endif |
| 289 |
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| 290 |
#ifndef WITHOUT_CAPSICUM |
259 |
#ifndef WITHOUT_CAPSICUM |
| 291 |
cap_rights_init(&rights, CAP_EVENT, CAP_READ, CAP_WRITE); |
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cap_rights_init(&rights, CAP_EVENT, CAP_READ, CAP_WRITE); |
| 292 |
if (caph_rights_limit(be->fd, &rights) == -1) |
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if (caph_rights_limit(be->fd, &rights) == -1) |
| 293 |
- |
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