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vnc: misc fixes.

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Merge remote-tracking branch 'remotes/kraxel/tags/pull-vnc-20150520-1' into staging

vnc: misc fixes.

# gpg: Signature made Wed May 20 09:32:45 2015 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-vnc-20150520-1:
  qemu-sockets: Report explicit error if unlink fails
  vnc: Tweak error when init fails
  vnc: Don't assert if opening unix socket fails
  ui: remove check for failure of qemu_acl_init()
  Strip brackets from vnc host

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-05-21 09:07:19 +01:00
commit 9e549d36e9
2 changed files with 18 additions and 12 deletions
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23
ui/vnc.c
View File

@ -3482,7 +3482,14 @@ void vnc_display_open(const char *id, Error **errp)
h = strrchr(vnc, ':'); h = strrchr(vnc, ':');
if (h) { if (h) {
char *host = g_strndup(vnc, h - vnc); char *host;
size_t hlen = h - vnc;
if (vnc[0] == '[' && vnc[hlen - 1] == ']') {
host = g_strndup(vnc + 1, hlen - 2);
} else {
host = g_strndup(vnc, hlen);
}
qemu_opt_set(sopts, "host", host, &error_abort); qemu_opt_set(sopts, "host", host, &error_abort);
qemu_opt_set(wsopts, "host", host, &error_abort); qemu_opt_set(wsopts, "host", host, &error_abort);
qemu_opt_set(sopts, "port", h+1, &error_abort); qemu_opt_set(sopts, "port", h+1, &error_abort);
@ -3602,10 +3609,6 @@ void vnc_display_open(const char *id, Error **errp)
aclname = g_strdup_printf("vnc.%s.x509dname", vs->id); aclname = g_strdup_printf("vnc.%s.x509dname", vs->id);
} }
vs->tls.acl = qemu_acl_init(aclname); vs->tls.acl = qemu_acl_init(aclname);
if (!vs->tls.acl) {
fprintf(stderr, "Failed to create x509 dname ACL\n");
exit(1);
}
g_free(aclname); g_free(aclname);
} }
#endif #endif
@ -3619,10 +3622,6 @@ void vnc_display_open(const char *id, Error **errp)
aclname = g_strdup_printf("vnc.%s.username", vs->id); aclname = g_strdup_printf("vnc.%s.username", vs->id);
} }
vs->sasl.acl = qemu_acl_init(aclname); vs->sasl.acl = qemu_acl_init(aclname);
if (!vs->sasl.acl) {
fprintf(stderr, "Failed to create username ACL\n");
exit(1);
}
g_free(aclname); g_free(aclname);
} }
#endif #endif
@ -3685,6 +3684,9 @@ void vnc_display_open(const char *id, Error **errp)
/* listen for connects */ /* listen for connects */
if (strncmp(vnc, "unix:", 5) == 0) { if (strncmp(vnc, "unix:", 5) == 0) {
vs->lsock = unix_listen(vnc+5, NULL, 0, errp); vs->lsock = unix_listen(vnc+5, NULL, 0, errp);
if (vs->lsock < 0) {
goto fail;
}
vs->is_unix = true; vs->is_unix = true;
} else { } else {
vs->lsock = inet_listen_opts(sopts, 5900, errp); vs->lsock = inet_listen_opts(sopts, 5900, errp);
@ -3777,8 +3779,7 @@ int vnc_init_func(QemuOpts *opts, void *opaque)
vnc_display_init(id); vnc_display_init(id);
vnc_display_open(id, &local_err); vnc_display_open(id, &local_err);
if (local_err != NULL) { if (local_err != NULL) {
error_report("Failed to start VNC server on `%s': %s", error_report("Failed to start VNC server: %s",
qemu_opt_get(opts, "display"),
error_get_pretty(local_err)); error_get_pretty(local_err));
error_free(local_err); error_free(local_err);
exit(1); exit(1);

7
util/qemu-sockets.c
View File

@ -729,7 +729,12 @@ int unix_listen_opts(QemuOpts *opts, Error **errp)
qemu_opt_set(opts, "path", un.sun_path, &error_abort); qemu_opt_set(opts, "path", un.sun_path, &error_abort);
} }
unlink(un.sun_path); if ((access(un.sun_path, F_OK) == 0) &&
unlink(un.sun_path) < 0) {
error_setg_errno(errp, errno,
"Failed to unlink socket %s", un.sun_path);
goto err;
}
if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) { if (bind(sock, (struct sockaddr*) &un, sizeof(un)) < 0) {
error_setg_errno(errp, errno, "Failed to bind socket to %s", un.sun_path); error_setg_errno(errp, errno, "Failed to bind socket to %s", un.sun_path);
goto err; goto err;