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[Qemu-devel] [6727] Remove tabs introduced from VNC ACL series


From: Anthony Liguori
Subject: [Qemu-devel] [6727] Remove tabs introduced from VNC ACL series
Date: Fri, 06 Mar 2009 20:27:41 +0000

Revision: 6727
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6727
Author:   aliguori
Date:     2009-03-06 20:27:40 +0000 (Fri, 06 Mar 2009)
Log Message:
-----------
Remove tabs introduced from VNC ACL series

Signed-off-by: Anthony Liguori <address@hidden>

Modified Paths:
--------------
    trunk/acl.c
    trunk/monitor.c
    trunk/vnc-auth-sasl.c
    trunk/vnc.c

Modified: trunk/acl.c
===================================================================
--- trunk/acl.c 2009-03-06 20:27:37 UTC (rev 6726)
+++ trunk/acl.c 2009-03-06 20:27:40 UTC (rev 6727)
@@ -41,8 +41,8 @@
 {
     int i;
     for (i = 0 ; i < nacls ; i++) {
-       if (strcmp(acls[i]->aclname, aclname) == 0)
-           return acls[i];
+        if (strcmp(acls[i]->aclname, aclname) == 0)
+            return acls[i];
     }
 
     return NULL;
@@ -54,7 +54,7 @@
 
     acl = qemu_acl_find(aclname);
     if (acl)
-       return acl;
+        return acl;
 
     acl = qemu_malloc(sizeof(*acl));
     acl->aclname = qemu_strdup(aclname);
@@ -74,19 +74,19 @@
 }
 
 int qemu_acl_party_is_allowed(qemu_acl *acl,
-                             const char *party)
+                              const char *party)
 {
     qemu_acl_entry *entry;
 
     TAILQ_FOREACH(entry, &acl->entries, next) {
 #ifdef HAVE_FNMATCH_H
-       if (fnmatch(entry->match, party, 0) == 0)
-           return entry->deny ? 0 : 1;
+        if (fnmatch(entry->match, party, 0) == 0)
+            return entry->deny ? 0 : 1;
 #else
-       /* No fnmatch, so fallback to exact string matching
-        * instead of allowing wildcards */
-       if (strcmp(entry->match, party) == 0)
-           return entry->deny ? 0 : 1;
+        /* No fnmatch, so fallback to exact string matching
+         * instead of allowing wildcards */
+        if (strcmp(entry->match, party) == 0)
+            return entry->deny ? 0 : 1;
 #endif
     }
 
@@ -103,17 +103,17 @@
      * access control list */
     acl->defaultDeny = 1;
     TAILQ_FOREACH(entry, &acl->entries, next) {
-       TAILQ_REMOVE(&acl->entries, entry, next);
-       free(entry->match);
-       free(entry);
+        TAILQ_REMOVE(&acl->entries, entry, next);
+        free(entry->match);
+        free(entry);
     }
     acl->nentries = 0;
 }
 
 
 int qemu_acl_append(qemu_acl *acl,
-                   int deny,
-                   const char *match)
+                    int deny,
+                    const char *match)
 {
     qemu_acl_entry *entry;
 
@@ -129,18 +129,18 @@
 
 
 int qemu_acl_insert(qemu_acl *acl,
-                   int deny,
-                   const char *match,
-                   int index)
+                    int deny,
+                    const char *match,
+                    int index)
 {
     qemu_acl_entry *entry;
     qemu_acl_entry *tmp;
     int i = 0;
 
     if (index <= 0)
-       return -1;
+        return -1;
     if (index >= acl->nentries)
-       return qemu_acl_append(acl, deny, match);
+        return qemu_acl_append(acl, deny, match);
 
 
     entry = qemu_malloc(sizeof(*entry));
@@ -148,29 +148,29 @@
     entry->deny = deny;
 
     TAILQ_FOREACH(tmp, &acl->entries, next) {
-       i++;
-       if (i == index) {
-           TAILQ_INSERT_BEFORE(tmp, entry, next);
-           acl->nentries++;
-           break;
-       }
+        i++;
+        if (i == index) {
+            TAILQ_INSERT_BEFORE(tmp, entry, next);
+            acl->nentries++;
+            break;
+        }
     }
 
     return i;
 }
 
 int qemu_acl_remove(qemu_acl *acl,
-                   const char *match)
+                    const char *match)
 {
     qemu_acl_entry *entry;
     int i = 0;
 
     TAILQ_FOREACH(entry, &acl->entries, next) {
-       i++;
-       if (strcmp(entry->match, match) == 0) {
-           TAILQ_REMOVE(&acl->entries, entry, next);
-           return i;
-       }
+        i++;
+        if (strcmp(entry->match, match) == 0) {
+            TAILQ_REMOVE(&acl->entries, entry, next);
+            return i;
+        }
     }
     return -1;
 }

Modified: trunk/monitor.c
===================================================================
--- trunk/monitor.c     2009-03-06 20:27:37 UTC (rev 6726)
+++ trunk/monitor.c     2009-03-06 20:27:40 UTC (rev 6727)
@@ -160,25 +160,25 @@
     int i;
 
     for (i = 0; filename[i]; i++) {
-       switch (filename[i]) {
-       case ' ':
-       case '"':
-       case '\\':
-           monitor_printf(mon, "\\%c", filename[i]);
-           break;
-       case '\t':
-           monitor_printf(mon, "\\t");
-           break;
-       case '\r':
-           monitor_printf(mon, "\\r");
-           break;
-       case '\n':
-           monitor_printf(mon, "\\n");
-           break;
-       default:
-           monitor_printf(mon, "%c", filename[i]);
-           break;
-       }
+        switch (filename[i]) {
+        case ' ':
+        case '"':
+        case '\\':
+            monitor_printf(mon, "\\%c", filename[i]);
+            break;
+        case '\t':
+            monitor_printf(mon, "\\t");
+            break;
+        case '\r':
+            monitor_printf(mon, "\\r");
+            break;
+        case '\n':
+            monitor_printf(mon, "\\n");
+            break;
+        default:
+            monitor_printf(mon, "%c", filename[i]);
+            break;
+        }
     }
 }
 
@@ -474,17 +474,17 @@
 static void do_change_vnc(Monitor *mon, const char *target, const char *arg)
 {
     if (strcmp(target, "passwd") == 0 ||
-       strcmp(target, "password") == 0) {
-       if (arg) {
+        strcmp(target, "password") == 0) {
+        if (arg) {
             char password[9];
-           strncpy(password, arg, sizeof(password));
-           password[sizeof(password) - 1] = '\0';
+            strncpy(password, arg, sizeof(password));
+            password[sizeof(password) - 1] = '\0';
             change_vnc_password_cb(mon, password, NULL);
         } else {
             monitor_read_password(mon, change_vnc_password_cb, NULL);
         }
     } else {
-       if (vnc_display_open(NULL, target) < 0)
+        if (vnc_display_open(NULL, target) < 0)
             monitor_printf(mon, "could not start VNC server on %s\n", target);
     }
 }
@@ -493,9 +493,9 @@
                       const char *arg)
 {
     if (strcmp(device, "vnc") == 0) {
-       do_change_vnc(mon, target, arg);
+        do_change_vnc(mon, target, arg);
     } else {
-       do_change_block(mon, device, target, arg);
+        do_change_block(mon, device, target, arg);
     }
 }
 
@@ -1535,81 +1535,81 @@
 
 static void do_acl(Monitor *mon,
                    const char *command,
-                  const char *aclname,
-                  const char *match,
-                  int has_index,
-                  int index)
+                   const char *aclname,
+                   const char *match,
+                   int has_index,
+                   int index)
 {
     qemu_acl *acl;
 
     acl = qemu_acl_find(aclname);
     if (!acl) {
-       monitor_printf(mon, "acl: unknown list '%s'\n", aclname);
-       return;
+        monitor_printf(mon, "acl: unknown list '%s'\n", aclname);
+        return;
     }
 
     if (strcmp(command, "show") == 0) {
-       int i = 0;
-       qemu_acl_entry *entry;
-       monitor_printf(mon, "policy: %s\n",
+        int i = 0;
+        qemu_acl_entry *entry;
+        monitor_printf(mon, "policy: %s\n",
                        acl->defaultDeny ? "deny" : "allow");
-       TAILQ_FOREACH(entry, &acl->entries, next) {
-           i++;
-           monitor_printf(mon, "%d: %s %s\n", i,
+        TAILQ_FOREACH(entry, &acl->entries, next) {
+            i++;
+            monitor_printf(mon, "%d: %s %s\n", i,
                            entry->deny ? "deny" : "allow",
                            entry->match);
-       }
+        }
     } else if (strcmp(command, "reset") == 0) {
-       qemu_acl_reset(acl);
-       monitor_printf(mon, "acl: removed all rules\n");
+        qemu_acl_reset(acl);
+        monitor_printf(mon, "acl: removed all rules\n");
     } else if (strcmp(command, "policy") == 0) {
-       if (!match) {
-           monitor_printf(mon, "acl: missing policy parameter\n");
-           return;
-       }
+        if (!match) {
+            monitor_printf(mon, "acl: missing policy parameter\n");
+            return;
+        }
 
-       if (strcmp(match, "allow") == 0) {
-           acl->defaultDeny = 0;
-           monitor_printf(mon, "acl: policy set to 'allow'\n");
-       } else if (strcmp(match, "deny") == 0) {
-           acl->defaultDeny = 1;
-           monitor_printf(mon, "acl: policy set to 'deny'\n");
-       } else {
-           monitor_printf(mon, "acl: unknown policy '%s', expected 'deny' or 
'allow'\n", match);
-       }
+        if (strcmp(match, "allow") == 0) {
+            acl->defaultDeny = 0;
+            monitor_printf(mon, "acl: policy set to 'allow'\n");
+        } else if (strcmp(match, "deny") == 0) {
+            acl->defaultDeny = 1;
+            monitor_printf(mon, "acl: policy set to 'deny'\n");
+        } else {
+            monitor_printf(mon, "acl: unknown policy '%s', expected 'deny' or 
'allow'\n", match);
+        }
     } else if ((strcmp(command, "allow") == 0) ||
-              (strcmp(command, "deny") == 0)) {
-       int deny = strcmp(command, "deny") == 0 ? 1 : 0;
-       int ret;
+               (strcmp(command, "deny") == 0)) {
+        int deny = strcmp(command, "deny") == 0 ? 1 : 0;
+        int ret;
 
-       if (!match) {
-           monitor_printf(mon, "acl: missing match parameter\n");
-           return;
-       }
+        if (!match) {
+            monitor_printf(mon, "acl: missing match parameter\n");
+            return;
+        }
 
-       if (has_index)
-           ret = qemu_acl_insert(acl, deny, match, index);
-       else
-           ret = qemu_acl_append(acl, deny, match);
-       if (ret < 0)
-           monitor_printf(mon, "acl: unable to add acl entry\n");
-       else
-           monitor_printf(mon, "acl: added rule at position %d\n", ret);
+        if (has_index)
+            ret = qemu_acl_insert(acl, deny, match, index);
+        else
+            ret = qemu_acl_append(acl, deny, match);
+        if (ret < 0)
+            monitor_printf(mon, "acl: unable to add acl entry\n");
+        else
+            monitor_printf(mon, "acl: added rule at position %d\n", ret);
     } else if (strcmp(command, "remove") == 0) {
-       int ret;
+        int ret;
 
-       if (!match) {
-           monitor_printf(mon, "acl: missing match parameter\n");
-           return;
-       }
+        if (!match) {
+            monitor_printf(mon, "acl: missing match parameter\n");
+            return;
+        }
 
-       ret = qemu_acl_remove(acl, match);
-       if (ret < 0)
-           monitor_printf(mon, "acl: no matching acl entry\n");
-       else
-           monitor_printf(mon, "acl: removed rule at position %d\n", ret);
+        ret = qemu_acl_remove(acl, match);
+        if (ret < 0)
+            monitor_printf(mon, "acl: no matching acl entry\n");
+        else
+            monitor_printf(mon, "acl: removed rule at position %d\n", ret);
     } else {
-       monitor_printf(mon, "acl: unknown command '%s'\n", command);
+        monitor_printf(mon, "acl: unknown command '%s'\n", command);
     }
 }
 
@@ -1839,7 +1839,7 @@
 
     u = 0;
     for (i = 0; i < 8; i++)
-       u |= env->crf[i] << (32 - (4 * i));
+        u |= env->crf[i] << (32 - (4 * i));
 
     return u;
 }

Modified: trunk/vnc-auth-sasl.c
===================================================================
--- trunk/vnc-auth-sasl.c       2009-03-06 20:27:37 UTC (rev 6726)
+++ trunk/vnc-auth-sasl.c       2009-03-06 20:27:40 UTC (rev 6727)
@@ -31,14 +31,14 @@
 void vnc_sasl_client_cleanup(VncState *vs)
 {
     if (vs->sasl.conn) {
-       vs->sasl.runSSF = vs->sasl.waitWriteSSF = vs->sasl.wantSSF = 0;
-       vs->sasl.encodedLength = vs->sasl.encodedOffset = 0;
-       vs->sasl.encoded = NULL;
-       free(vs->sasl.username);
-       free(vs->sasl.mechlist);
-       vs->sasl.username = vs->sasl.mechlist = NULL;
-       sasl_dispose(&vs->sasl.conn);
-       vs->sasl.conn = NULL;
+        vs->sasl.runSSF = vs->sasl.waitWriteSSF = vs->sasl.wantSSF = 0;
+        vs->sasl.encodedLength = vs->sasl.encodedOffset = 0;
+        vs->sasl.encoded = NULL;
+        free(vs->sasl.username);
+        free(vs->sasl.mechlist);
+        vs->sasl.username = vs->sasl.mechlist = NULL;
+        sasl_dispose(&vs->sasl.conn);
+        vs->sasl.conn = NULL;
     }
 }
 
@@ -48,33 +48,33 @@
     long ret;
 
     VNC_DEBUG("Write SASL: Pending output %p size %d offset %d Encoded: %p 
size %d offset %d\n",
-             vs->output.buffer, vs->output.capacity, vs->output.offset,
-             vs->sasl.encoded, vs->sasl.encodedLength, vs->sasl.encodedOffset);
+              vs->output.buffer, vs->output.capacity, vs->output.offset,
+              vs->sasl.encoded, vs->sasl.encodedLength, 
vs->sasl.encodedOffset);
 
     if (!vs->sasl.encoded) {
-       int err;
-       err = sasl_encode(vs->sasl.conn,
-                         (char *)vs->output.buffer,
-                         vs->output.offset,
-                         (const char **)&vs->sasl.encoded,
-                         &vs->sasl.encodedLength);
-       if (err != SASL_OK)
-           return vnc_client_io_error(vs, -1, EIO);
+        int err;
+        err = sasl_encode(vs->sasl.conn,
+                          (char *)vs->output.buffer,
+                          vs->output.offset,
+                          (const char **)&vs->sasl.encoded,
+                          &vs->sasl.encodedLength);
+        if (err != SASL_OK)
+            return vnc_client_io_error(vs, -1, EIO);
 
-       vs->sasl.encodedOffset = 0;
+        vs->sasl.encodedOffset = 0;
     }
 
     ret = vnc_client_write_buf(vs,
-                              vs->sasl.encoded + vs->sasl.encodedOffset,
-                              vs->sasl.encodedLength - vs->sasl.encodedOffset);
+                               vs->sasl.encoded + vs->sasl.encodedOffset,
+                               vs->sasl.encodedLength - 
vs->sasl.encodedOffset);
     if (!ret)
-       return 0;
+        return 0;
 
     vs->sasl.encodedOffset += ret;
     if (vs->sasl.encodedOffset == vs->sasl.encodedLength) {
-       vs->output.offset = 0;
-       vs->sasl.encoded = NULL;
-       vs->sasl.encodedOffset = vs->sasl.encodedLength = 0;
+        vs->output.offset = 0;
+        vs->sasl.encoded = NULL;
+        vs->sasl.encodedOffset = vs->sasl.encodedLength = 0;
     }
 
     /* Can't merge this block with one above, because
@@ -83,7 +83,7 @@
      * SASL encoded output
      */
     if (vs->output.offset == 0) {
-       qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
+        qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
     }
 
     return ret;
@@ -100,16 +100,16 @@
 
     ret = vnc_client_read_buf(vs, encoded, sizeof(encoded));
     if (!ret)
-       return 0;
+        return 0;
 
     err = sasl_decode(vs->sasl.conn,
-                     (char *)encoded, ret,
-                     &decoded, &decodedLen);
+                      (char *)encoded, ret,
+                      &decoded, &decodedLen);
 
     if (err != SASL_OK)
-       return vnc_client_io_error(vs, -1, -EIO);
+        return vnc_client_io_error(vs, -1, -EIO);
     VNC_DEBUG("Read SASL Encoded %p size %ld Decoded %p size %d\n",
-             encoded, ret, decoded, decodedLen);
+              encoded, ret, decoded, decodedLen);
     buffer_reserve(&vs->input, decodedLen);
     buffer_append(&vs->input, decoded, decodedLen);
     return decodedLen;
@@ -124,27 +124,27 @@
 
     err = sasl_getprop(vs->sasl.conn, SASL_USERNAME, &val);
     if (err != SASL_OK) {
-       VNC_DEBUG("cannot query SASL username on connection %d (%s), denying 
access\n",
-                 err, sasl_errstring(err, NULL, NULL));
-       return -1;
+        VNC_DEBUG("cannot query SASL username on connection %d (%s), denying 
access\n",
+                  err, sasl_errstring(err, NULL, NULL));
+        return -1;
     }
     if (val == NULL) {
-       VNC_DEBUG("no client username was found, denying access\n");
-       return -1;
+        VNC_DEBUG("no client username was found, denying access\n");
+        return -1;
     }
     VNC_DEBUG("SASL client username %s\n", (const char *)val);
 
     vs->sasl.username = qemu_strdup((const char*)val);
 
     if (vs->vd->sasl.acl == NULL) {
-       VNC_DEBUG("no ACL activated, allowing access\n");
-       return 0;
+        VNC_DEBUG("no ACL activated, allowing access\n");
+        return 0;
     }
 
     allow = qemu_acl_party_is_allowed(vs->vd->sasl.acl, vs->sasl.username);
 
     VNC_DEBUG("SASL client %s %s by ACL\n", vs->sasl.username,
-             allow ? "allowed" : "denied");
+              allow ? "allowed" : "denied");
     return allow ? 0 : -1;
 }
 
@@ -154,16 +154,16 @@
     int err, ssf;
 
     if (!vs->sasl.wantSSF)
-       return 1;
+        return 1;
 
     err = sasl_getprop(vs->sasl.conn, SASL_SSF, &val);
     if (err != SASL_OK)
-       return 0;
+        return 0;
 
     ssf = *(const int *)val;
     VNC_DEBUG("negotiated an SSF of %d\n", ssf);
     if (ssf < 56)
-       return 0; /* 56 is good for Kerberos */
+        return 0; /* 56 is good for Kerberos */
 
     /* Only setup for read initially, because we're about to send an RPC
      * reply which must be in plain text. When the next incoming RPC
@@ -204,73 +204,73 @@
 
     /* NB, distinction of NULL vs "" is *critical* in SASL */
     if (datalen) {
-       clientdata = (char*)data;
-       clientdata[datalen-1] = '\0'; /* Wire includes '\0', but make sure */
-       datalen--; /* Don't count NULL byte when passing to _start() */
+        clientdata = (char*)data;
+        clientdata[datalen-1] = '\0'; /* Wire includes '\0', but make sure */
+        datalen--; /* Don't count NULL byte when passing to _start() */
     }
 
     VNC_DEBUG("Step using SASL Data %p (%d bytes)\n",
-             clientdata, datalen);
+              clientdata, datalen);
     err = sasl_server_step(vs->sasl.conn,
-                          clientdata,
-                          datalen,
-                          &serverout,
-                          &serveroutlen);
+                           clientdata,
+                           datalen,
+                           &serverout,
+                           &serveroutlen);
     if (err != SASL_OK &&
-       err != SASL_CONTINUE) {
-       VNC_DEBUG("sasl step failed %d (%s)\n",
-                 err, sasl_errdetail(vs->sasl.conn));
-       sasl_dispose(&vs->sasl.conn);
-       vs->sasl.conn = NULL;
-       goto authabort;
+        err != SASL_CONTINUE) {
+        VNC_DEBUG("sasl step failed %d (%s)\n",
+                  err, sasl_errdetail(vs->sasl.conn));
+        sasl_dispose(&vs->sasl.conn);
+        vs->sasl.conn = NULL;
+        goto authabort;
     }
 
     if (serveroutlen > SASL_DATA_MAX_LEN) {
-       VNC_DEBUG("sasl step reply data too long %d\n",
-                 serveroutlen);
-       sasl_dispose(&vs->sasl.conn);
-       vs->sasl.conn = NULL;
-       goto authabort;
+        VNC_DEBUG("sasl step reply data too long %d\n",
+                  serveroutlen);
+        sasl_dispose(&vs->sasl.conn);
+        vs->sasl.conn = NULL;
+        goto authabort;
     }
 
     VNC_DEBUG("SASL return data %d bytes, nil; %d\n",
-             serveroutlen, serverout ? 0 : 1);
+              serveroutlen, serverout ? 0 : 1);
 
     if (serveroutlen) {
-       vnc_write_u32(vs, serveroutlen + 1);
-       vnc_write(vs, serverout, serveroutlen + 1);
+        vnc_write_u32(vs, serveroutlen + 1);
+        vnc_write(vs, serverout, serveroutlen + 1);
     } else {
-       vnc_write_u32(vs, 0);
+        vnc_write_u32(vs, 0);
     }
 
     /* Whether auth is complete */
     vnc_write_u8(vs, err == SASL_CONTINUE ? 0 : 1);
 
     if (err == SASL_CONTINUE) {
-       VNC_DEBUG("%s", "Authentication must continue\n");
-       /* Wait for step length */
-       vnc_read_when(vs, protocol_client_auth_sasl_step_len, 4);
+        VNC_DEBUG("%s", "Authentication must continue\n");
+        /* Wait for step length */
+        vnc_read_when(vs, protocol_client_auth_sasl_step_len, 4);
     } else {
-       if (!vnc_auth_sasl_check_ssf(vs)) {
-           VNC_DEBUG("Authentication rejected for weak SSF %d\n", vs->csock);
-           goto authreject;
-       }
+        if (!vnc_auth_sasl_check_ssf(vs)) {
+            VNC_DEBUG("Authentication rejected for weak SSF %d\n", vs->csock);
+            goto authreject;
+        }
 
-       /* Check username whitelist ACL */
-       if (vnc_auth_sasl_check_access(vs) < 0) {
-           VNC_DEBUG("Authentication rejected for ACL %d\n", vs->csock);
-           goto authreject;
-       }
+        /* Check username whitelist ACL */
+        if (vnc_auth_sasl_check_access(vs) < 0) {
+            VNC_DEBUG("Authentication rejected for ACL %d\n", vs->csock);
+            goto authreject;
+        }
 
-       VNC_DEBUG("Authentication successful %d\n", vs->csock);
-       vnc_write_u32(vs, 0); /* Accept auth */
-       /*
-        * Delay writing in SSF encoded mode until pending output
-        * buffer is written
-        */
-       if (vs->sasl.runSSF)
-           vs->sasl.waitWriteSSF = vs->output.offset;
-       start_client_init(vs);
+        VNC_DEBUG("Authentication successful %d\n", vs->csock);
+        vnc_write_u32(vs, 0); /* Accept auth */
+        /*
+         * Delay writing in SSF encoded mode until pending output
+         * buffer is written
+         */
+        if (vs->sasl.runSSF)
+            vs->sasl.waitWriteSSF = vs->output.offset;
+        start_client_init(vs);
     }
 
     return 0;
@@ -293,15 +293,15 @@
     uint32_t steplen = read_u32(data, 0);
     VNC_DEBUG("Got client step len %d\n", steplen);
     if (steplen > SASL_DATA_MAX_LEN) {
-       VNC_DEBUG("Too much SASL data %d\n", steplen);
-       vnc_client_error(vs);
-       return -1;
+        VNC_DEBUG("Too much SASL data %d\n", steplen);
+        vnc_client_error(vs);
+        return -1;
     }
 
     if (steplen == 0)
-       return protocol_client_auth_sasl_step(vs, NULL, 0);
+        return protocol_client_auth_sasl_step(vs, NULL, 0);
     else
-       vnc_read_when(vs, protocol_client_auth_sasl_step, steplen);
+        vnc_read_when(vs, protocol_client_auth_sasl_step, steplen);
     return 0;
 }
 
@@ -332,67 +332,67 @@
 
     /* NB, distinction of NULL vs "" is *critical* in SASL */
     if (datalen) {
-       clientdata = (char*)data;
-       clientdata[datalen-1] = '\0'; /* Should be on wire, but make sure */
-       datalen--; /* Don't count NULL byte when passing to _start() */
+        clientdata = (char*)data;
+        clientdata[datalen-1] = '\0'; /* Should be on wire, but make sure */
+        datalen--; /* Don't count NULL byte when passing to _start() */
     }
 
     VNC_DEBUG("Start SASL auth with mechanism %s. Data %p (%d bytes)\n",
-             vs->sasl.mechlist, clientdata, datalen);
+              vs->sasl.mechlist, clientdata, datalen);
     err = sasl_server_start(vs->sasl.conn,
-                           vs->sasl.mechlist,
-                           clientdata,
-                           datalen,
-                           &serverout,
-                           &serveroutlen);
+                            vs->sasl.mechlist,
+                            clientdata,
+                            datalen,
+                            &serverout,
+                            &serveroutlen);
     if (err != SASL_OK &&
-       err != SASL_CONTINUE) {
-       VNC_DEBUG("sasl start failed %d (%s)\n",
-                 err, sasl_errdetail(vs->sasl.conn));
-       sasl_dispose(&vs->sasl.conn);
-       vs->sasl.conn = NULL;
-       goto authabort;
+        err != SASL_CONTINUE) {
+        VNC_DEBUG("sasl start failed %d (%s)\n",
+                  err, sasl_errdetail(vs->sasl.conn));
+        sasl_dispose(&vs->sasl.conn);
+        vs->sasl.conn = NULL;
+        goto authabort;
     }
     if (serveroutlen > SASL_DATA_MAX_LEN) {
-       VNC_DEBUG("sasl start reply data too long %d\n",
-                 serveroutlen);
-       sasl_dispose(&vs->sasl.conn);
-       vs->sasl.conn = NULL;
-       goto authabort;
+        VNC_DEBUG("sasl start reply data too long %d\n",
+                  serveroutlen);
+        sasl_dispose(&vs->sasl.conn);
+        vs->sasl.conn = NULL;
+        goto authabort;
     }
 
     VNC_DEBUG("SASL return data %d bytes, nil; %d\n",
-             serveroutlen, serverout ? 0 : 1);
+              serveroutlen, serverout ? 0 : 1);
 
     if (serveroutlen) {
-       vnc_write_u32(vs, serveroutlen + 1);
-       vnc_write(vs, serverout, serveroutlen + 1);
+        vnc_write_u32(vs, serveroutlen + 1);
+        vnc_write(vs, serverout, serveroutlen + 1);
     } else {
-       vnc_write_u32(vs, 0);
+        vnc_write_u32(vs, 0);
     }
 
     /* Whether auth is complete */
     vnc_write_u8(vs, err == SASL_CONTINUE ? 0 : 1);
 
     if (err == SASL_CONTINUE) {
-       VNC_DEBUG("%s", "Authentication must continue\n");
-       /* Wait for step length */
-       vnc_read_when(vs, protocol_client_auth_sasl_step_len, 4);
+        VNC_DEBUG("%s", "Authentication must continue\n");
+        /* Wait for step length */
+        vnc_read_when(vs, protocol_client_auth_sasl_step_len, 4);
     } else {
-       if (!vnc_auth_sasl_check_ssf(vs)) {
-           VNC_DEBUG("Authentication rejected for weak SSF %d\n", vs->csock);
-           goto authreject;
-       }
+        if (!vnc_auth_sasl_check_ssf(vs)) {
+            VNC_DEBUG("Authentication rejected for weak SSF %d\n", vs->csock);
+            goto authreject;
+        }
 
-       /* Check username whitelist ACL */
-       if (vnc_auth_sasl_check_access(vs) < 0) {
-           VNC_DEBUG("Authentication rejected for ACL %d\n", vs->csock);
-           goto authreject;
-       }
+        /* Check username whitelist ACL */
+        if (vnc_auth_sasl_check_access(vs) < 0) {
+            VNC_DEBUG("Authentication rejected for ACL %d\n", vs->csock);
+            goto authreject;
+        }
 
-       VNC_DEBUG("Authentication successful %d\n", vs->csock);
-       vnc_write_u32(vs, 0); /* Accept auth */
-       start_client_init(vs);
+        VNC_DEBUG("Authentication successful %d\n", vs->csock);
+        vnc_write_u32(vs, 0); /* Accept auth */
+        start_client_init(vs);
     }
 
     return 0;
@@ -415,13 +415,13 @@
     uint32_t startlen = read_u32(data, 0);
     VNC_DEBUG("Got client start len %d\n", startlen);
     if (startlen > SASL_DATA_MAX_LEN) {
-       VNC_DEBUG("Too much SASL data %d\n", startlen);
-       vnc_client_error(vs);
-       return -1;
+        VNC_DEBUG("Too much SASL data %d\n", startlen);
+        vnc_client_error(vs);
+        return -1;
     }
 
     if (startlen == 0)
-       return protocol_client_auth_sasl_start(vs, NULL, 0);
+        return protocol_client_auth_sasl_start(vs, NULL, 0);
 
     vnc_read_when(vs, protocol_client_auth_sasl_start, startlen);
     return 0;
@@ -431,35 +431,35 @@
 {
     char *mechname = malloc(len + 1);
     if (!mechname) {
-       VNC_DEBUG("Out of memory reading mechname\n");
-       vnc_client_error(vs);
+        VNC_DEBUG("Out of memory reading mechname\n");
+        vnc_client_error(vs);
     }
     strncpy(mechname, (char*)data, len);
     mechname[len] = '\0';
     VNC_DEBUG("Got client mechname '%s' check against '%s'\n",
-             mechname, vs->sasl.mechlist);
+              mechname, vs->sasl.mechlist);
 
     if (strncmp(vs->sasl.mechlist, mechname, len) == 0) {
-       if (vs->sasl.mechlist[len] != '\0' &&
-           vs->sasl.mechlist[len] != ',') {
-           VNC_DEBUG("One %d", vs->sasl.mechlist[len]);
-           vnc_client_error(vs);
-           return -1;
-       }
+        if (vs->sasl.mechlist[len] != '\0' &&
+            vs->sasl.mechlist[len] != ',') {
+            VNC_DEBUG("One %d", vs->sasl.mechlist[len]);
+            vnc_client_error(vs);
+            return -1;
+        }
     } else {
-       char *offset = strstr(vs->sasl.mechlist, mechname);
-       VNC_DEBUG("Two %p\n", offset);
-       if (!offset) {
-           vnc_client_error(vs);
-           return -1;
-       }
-       VNC_DEBUG("Two '%s'\n", offset);
-       if (offset[-1] != ',' ||
-           (offset[len] != '\0'&&
-            offset[len] != ',')) {
-           vnc_client_error(vs);
-           return -1;
-       }
+        char *offset = strstr(vs->sasl.mechlist, mechname);
+        VNC_DEBUG("Two %p\n", offset);
+        if (!offset) {
+            vnc_client_error(vs);
+            return -1;
+        }
+        VNC_DEBUG("Two '%s'\n", offset);
+        if (offset[-1] != ',' ||
+            (offset[len] != '\0'&&
+             offset[len] != ',')) {
+            vnc_client_error(vs);
+            return -1;
+        }
     }
 
     free(vs->sasl.mechlist);
@@ -475,20 +475,20 @@
     uint32_t mechlen = read_u32(data, 0);
     VNC_DEBUG("Got client mechname len %d\n", mechlen);
     if (mechlen > 100) {
-       VNC_DEBUG("Too long SASL mechname data %d\n", mechlen);
-       vnc_client_error(vs);
-       return -1;
+        VNC_DEBUG("Too long SASL mechname data %d\n", mechlen);
+        vnc_client_error(vs);
+        return -1;
     }
     if (mechlen < 1) {
-       VNC_DEBUG("Too short SASL mechname %d\n", mechlen);
-       vnc_client_error(vs);
-       return -1;
+        VNC_DEBUG("Too short SASL mechname %d\n", mechlen);
+        vnc_client_error(vs);
+        return -1;
     }
     vnc_read_when(vs, protocol_client_auth_sasl_mechname,mechlen);
     return 0;
 }
 
-#define USES_X509_AUTH(vs)                           \
+#define USES_X509_AUTH(vs)                              \
     ((vs)->subauth == VNC_AUTH_VENCRYPT_X509NONE ||   \
      (vs)->subauth == VNC_AUTH_VENCRYPT_X509VNC ||    \
      (vs)->subauth == VNC_AUTH_VENCRYPT_X509PLAIN ||  \
@@ -507,116 +507,116 @@
 
     /* Get local & remote client addresses in form  IPADDR;PORT */
     if (!(localAddr = vnc_socket_local_addr("%s;%s", vs->csock)))
-       goto authabort;
+        goto authabort;
 
     if (!(remoteAddr = vnc_socket_remote_addr("%s;%s", vs->csock))) {
-       free(localAddr);
-       goto authabort;
+        free(localAddr);
+        goto authabort;
     }
 
     err = sasl_server_new("vnc",
-                         NULL, /* FQDN - just delegates to gethostname */
-                         NULL, /* User realm */
-                         localAddr,
-                         remoteAddr,
-                         NULL, /* Callbacks, not needed */
-                         SASL_SUCCESS_DATA,
-                         &vs->sasl.conn);
+                          NULL, /* FQDN - just delegates to gethostname */
+                          NULL, /* User realm */
+                          localAddr,
+                          remoteAddr,
+                          NULL, /* Callbacks, not needed */
+                          SASL_SUCCESS_DATA,
+                          &vs->sasl.conn);
     free(localAddr);
     free(remoteAddr);
     localAddr = remoteAddr = NULL;
 
     if (err != SASL_OK) {
-       VNC_DEBUG("sasl context setup failed %d (%s)",
-                 err, sasl_errstring(err, NULL, NULL));
-       vs->sasl.conn = NULL;
-       goto authabort;
+        VNC_DEBUG("sasl context setup failed %d (%s)",
+                  err, sasl_errstring(err, NULL, NULL));
+        vs->sasl.conn = NULL;
+        goto authabort;
     }
 
 #ifdef CONFIG_VNC_TLS
     /* Inform SASL that we've got an external SSF layer from TLS/x509 */
     if (vs->vd->auth == VNC_AUTH_VENCRYPT &&
-       vs->vd->subauth == VNC_AUTH_VENCRYPT_X509SASL) {
-       gnutls_cipher_algorithm_t cipher;
-       sasl_ssf_t ssf;
+        vs->vd->subauth == VNC_AUTH_VENCRYPT_X509SASL) {
+        gnutls_cipher_algorithm_t cipher;
+        sasl_ssf_t ssf;
 
-       cipher = gnutls_cipher_get(vs->tls.session);
-       if (!(ssf = (sasl_ssf_t)gnutls_cipher_get_key_size(cipher))) {
-           VNC_DEBUG("%s", "cannot TLS get cipher size\n");
-           sasl_dispose(&vs->sasl.conn);
-           vs->sasl.conn = NULL;
-           goto authabort;
-       }
-       ssf *= 8; /* tls key size is bytes, sasl wants bits */
+        cipher = gnutls_cipher_get(vs->tls.session);
+        if (!(ssf = (sasl_ssf_t)gnutls_cipher_get_key_size(cipher))) {
+            VNC_DEBUG("%s", "cannot TLS get cipher size\n");
+            sasl_dispose(&vs->sasl.conn);
+            vs->sasl.conn = NULL;
+            goto authabort;
+        }
+        ssf *= 8; /* tls key size is bytes, sasl wants bits */
 
-       err = sasl_setprop(vs->sasl.conn, SASL_SSF_EXTERNAL, &ssf);
-       if (err != SASL_OK) {
-           VNC_DEBUG("cannot set SASL external SSF %d (%s)\n",
-                     err, sasl_errstring(err, NULL, NULL));
-           sasl_dispose(&vs->sasl.conn);
-           vs->sasl.conn = NULL;
-           goto authabort;
-       }
+        err = sasl_setprop(vs->sasl.conn, SASL_SSF_EXTERNAL, &ssf);
+        if (err != SASL_OK) {
+            VNC_DEBUG("cannot set SASL external SSF %d (%s)\n",
+                      err, sasl_errstring(err, NULL, NULL));
+            sasl_dispose(&vs->sasl.conn);
+            vs->sasl.conn = NULL;
+            goto authabort;
+        }
     } else
 #endif /* CONFIG_VNC_TLS */
-       vs->sasl.wantSSF = 1;
+        vs->sasl.wantSSF = 1;
 
     memset (&secprops, 0, sizeof secprops);
     /* Inform SASL that we've got an external SSF layer from TLS */
     if (strncmp(vs->vd->display, "unix:", 5) == 0
 #ifdef CONFIG_VNC_TLS
-       /* Disable SSF, if using TLS+x509+SASL only. TLS without x509
-          is not sufficiently strong */
-       || (vs->vd->auth == VNC_AUTH_VENCRYPT &&
-           vs->vd->subauth == VNC_AUTH_VENCRYPT_X509SASL)
+        /* Disable SSF, if using TLS+x509+SASL only. TLS without x509
+           is not sufficiently strong */
+        || (vs->vd->auth == VNC_AUTH_VENCRYPT &&
+            vs->vd->subauth == VNC_AUTH_VENCRYPT_X509SASL)
 #endif /* CONFIG_VNC_TLS */
-       ) {
-       /* If we've got TLS or UNIX domain sock, we don't care about SSF */
-       secprops.min_ssf = 0;
-       secprops.max_ssf = 0;
-       secprops.maxbufsize = 8192;
-       secprops.security_flags = 0;
+        ) {
+        /* If we've got TLS or UNIX domain sock, we don't care about SSF */
+        secprops.min_ssf = 0;
+        secprops.max_ssf = 0;
+        secprops.maxbufsize = 8192;
+        secprops.security_flags = 0;
     } else {
-       /* Plain TCP, better get an SSF layer */
-       secprops.min_ssf = 56; /* Good enough to require kerberos */
-       secprops.max_ssf = 100000; /* Arbitrary big number */
-       secprops.maxbufsize = 8192;
-       /* Forbid any anonymous or trivially crackable auth */
-       secprops.security_flags =
-           SASL_SEC_NOANONYMOUS | SASL_SEC_NOPLAINTEXT;
+        /* Plain TCP, better get an SSF layer */
+        secprops.min_ssf = 56; /* Good enough to require kerberos */
+        secprops.max_ssf = 100000; /* Arbitrary big number */
+        secprops.maxbufsize = 8192;
+        /* Forbid any anonymous or trivially crackable auth */
+        secprops.security_flags =
+            SASL_SEC_NOANONYMOUS | SASL_SEC_NOPLAINTEXT;
     }
 
     err = sasl_setprop(vs->sasl.conn, SASL_SEC_PROPS, &secprops);
     if (err != SASL_OK) {
-       VNC_DEBUG("cannot set SASL security props %d (%s)\n",
-                 err, sasl_errstring(err, NULL, NULL));
-       sasl_dispose(&vs->sasl.conn);
-       vs->sasl.conn = NULL;
-       goto authabort;
+        VNC_DEBUG("cannot set SASL security props %d (%s)\n",
+                  err, sasl_errstring(err, NULL, NULL));
+        sasl_dispose(&vs->sasl.conn);
+        vs->sasl.conn = NULL;
+        goto authabort;
     }
 
     err = sasl_listmech(vs->sasl.conn,
-                       NULL, /* Don't need to set user */
-                       "", /* Prefix */
-                       ",", /* Separator */
-                       "", /* Suffix */
-                       &mechlist,
-                       NULL,
-                       NULL);
+                        NULL, /* Don't need to set user */
+                        "", /* Prefix */
+                        ",", /* Separator */
+                        "", /* Suffix */
+                        &mechlist,
+                        NULL,
+                        NULL);
     if (err != SASL_OK) {
-       VNC_DEBUG("cannot list SASL mechanisms %d (%s)\n",
-                 err, sasl_errdetail(vs->sasl.conn));
-       sasl_dispose(&vs->sasl.conn);
-       vs->sasl.conn = NULL;
-       goto authabort;
+        VNC_DEBUG("cannot list SASL mechanisms %d (%s)\n",
+                  err, sasl_errdetail(vs->sasl.conn));
+        sasl_dispose(&vs->sasl.conn);
+        vs->sasl.conn = NULL;
+        goto authabort;
     }
     VNC_DEBUG("Available mechanisms for client: '%s'\n", mechlist);
 
     if (!(vs->sasl.mechlist = strdup(mechlist))) {
-       VNC_DEBUG("Out of memory");
-       sasl_dispose(&vs->sasl.conn);
-       vs->sasl.conn = NULL;
-       goto authabort;
+        VNC_DEBUG("Out of memory");
+        sasl_dispose(&vs->sasl.conn);
+        vs->sasl.conn = NULL;
+        goto authabort;
     }
     mechlistlen = strlen(mechlist);
     vnc_write_u32(vs, mechlistlen);

Modified: trunk/vnc.c
===================================================================
--- trunk/vnc.c 2009-03-06 20:27:37 UTC (rev 6726)
+++ trunk/vnc.c 2009-03-06 20:27:40 UTC (rev 6727)
@@ -128,10 +128,10 @@
             return "vencrypt+x509+vnc";
         case VNC_AUTH_VENCRYPT_X509PLAIN:
             return "vencrypt+x509+plain";
-       case VNC_AUTH_VENCRYPT_TLSSASL:
-           return "vencrypt+tls+sasl";
-       case VNC_AUTH_VENCRYPT_X509SASL:
-           return "vencrypt+x509+sasl";
+        case VNC_AUTH_VENCRYPT_TLSSASL:
+            return "vencrypt+tls+sasl";
+        case VNC_AUTH_VENCRYPT_X509SASL:
+            return "vencrypt+x509+sasl";
         default:
             return "vencrypt";
         }
@@ -139,7 +139,7 @@
         return "vencrypt";
 #endif
     case VNC_AUTH_SASL:
-       return "sasl";
+        return "sasl";
     }
     return "unknown";
 }
@@ -160,17 +160,17 @@
 
 #ifdef CONFIG_VNC_TLS
     if (client->tls.session &&
-       client->tls.dname)
-       monitor_printf(mon, "  x509 dname: %s\n", client->tls.dname);
+        client->tls.dname)
+        monitor_printf(mon, "  x509 dname: %s\n", client->tls.dname);
     else
-       monitor_printf(mon, "  x509 dname: none\n");
+        monitor_printf(mon, "  x509 dname: none\n");
 #endif
 #ifdef CONFIG_VNC_SASL
     if (client->sasl.conn &&
-       client->sasl.username)
-       monitor_printf(mon, "    username: %s\n", client->sasl.username);
+        client->sasl.username)
+        monitor_printf(mon, "    username: %s\n", client->sasl.username);
     else
-       monitor_printf(mon, "    username: none\n");
+        monitor_printf(mon, "    username: none\n");
 #endif
 }
 
@@ -277,8 +277,8 @@
     h = MIN(h, vs->serverds.height);
 
     for (; y < h; y++)
-       for (i = 0; i < w; i += 16)
-           vnc_set_bit(vs->dirty_row[y], (x + i) / 16);
+        for (i = 0; i < w; i += 16)
+            vnc_set_bit(vs->dirty_row[y], (x + i) / 16);
 }
 
 static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h)
@@ -292,7 +292,7 @@
 }
 
 static void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h,
-                                  int32_t encoding)
+                                   int32_t encoding)
 {
     vnc_write_u16(vs, x);
     vnc_write_u16(vs, y);
@@ -305,12 +305,12 @@
 void buffer_reserve(Buffer *buffer, size_t len)
 {
     if ((buffer->capacity - buffer->offset) < len) {
-       buffer->capacity += (len + 1024);
-       buffer->buffer = qemu_realloc(buffer->buffer, buffer->capacity);
-       if (buffer->buffer == NULL) {
-           fprintf(stderr, "vnc: out of memory\n");
-           exit(1);
-       }
+        buffer->capacity += (len + 1024);
+        buffer->buffer = qemu_realloc(buffer->buffer, buffer->capacity);
+        if (buffer->buffer == NULL) {
+            fprintf(stderr, "vnc: out of memory\n");
+            exit(1);
+        }
     }
 }
 
@@ -326,7 +326,7 @@
 
 void buffer_reset(Buffer *buffer)
 {
-       buffer->offset = 0;
+        buffer->offset = 0;
 }
 
 void buffer_append(Buffer *buffer, const void *data, size_t len)
@@ -344,8 +344,8 @@
     vs->old_data = qemu_realloc(vs->old_data, ds_get_linesize(ds) * 
ds_get_height(ds));
 
     if (vs->old_data == NULL) {
-       fprintf(stderr, "vnc: memory allocation failed\n");
-       exit(1);
+        fprintf(stderr, "vnc: memory allocation failed\n");
+        exit(1);
     }
 
     if (ds_get_bytes_per_pixel(ds) != vs->serverds.pf.bytes_per_pixel)
@@ -469,8 +469,8 @@
 
     row = ds_get_data(vs->ds) + y * ds_get_linesize(vs->ds) + x * 
ds_get_bytes_per_pixel(vs->ds);
     for (i = 0; i < h; i++) {
-       vs->write_pixels(vs, row, w * ds_get_bytes_per_pixel(vs->ds));
-       row += ds_get_linesize(vs->ds);
+        vs->write_pixels(vs, row, w * ds_get_bytes_per_pixel(vs->ds));
+        row += ds_get_linesize(vs->ds);
     }
 }
 
@@ -520,11 +520,11 @@
     last_bg = (uint8_t *) qemu_malloc(vs->serverds.pf.bytes_per_pixel);
     has_fg = has_bg = 0;
     for (j = y; j < (y + h); j += 16) {
-       for (i = x; i < (x + w); i += 16) {
+        for (i = x; i < (x + w); i += 16) {
             vs->send_hextile_tile(vs, i, j,
                                   MIN(16, x + w - i), MIN(16, y + h - j),
                                   last_bg, last_fg, &has_bg, &has_fg);
-       }
+        }
     }
     free(last_fg);
     free(last_bg);
@@ -630,17 +630,17 @@
 static void send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
 {
     switch(vs->vnc_encoding) {
-       case VNC_ENCODING_ZLIB:
-           send_framebuffer_update_zlib(vs, x, y, w, h);
-           break;
-       case VNC_ENCODING_HEXTILE:
-           vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_HEXTILE);
-           send_framebuffer_update_hextile(vs, x, y, w, h);
-           break;
-       default:
-           vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW);
-           send_framebuffer_update_raw(vs, x, y, w, h);
-           break;
+        case VNC_ENCODING_ZLIB:
+            send_framebuffer_update_zlib(vs, x, y, w, h);
+            break;
+        case VNC_ENCODING_HEXTILE:
+            vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_HEXTILE);
+            send_framebuffer_update_hextile(vs, x, y, w, h);
+            break;
+        default:
+            vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW);
+            send_framebuffer_update_raw(vs, x, y, w, h);
+            break;
     }
 }
 
@@ -675,11 +675,11 @@
     int h;
 
     for (h = 1; h < (vs->serverds.height - y); h++) {
-       int tmp_x;
-       if (!vnc_get_bit(vs->dirty_row[y + h], last_x))
-           break;
-       for (tmp_x = last_x; tmp_x < x; tmp_x++)
-           vnc_clear_bit(vs->dirty_row[y + h], tmp_x);
+        int tmp_x;
+        if (!vnc_get_bit(vs->dirty_row[y + h], last_x))
+            break;
+        for (tmp_x = last_x; tmp_x < x; tmp_x++)
+            vnc_clear_bit(vs->dirty_row[y + h], tmp_x);
     }
 
     return h;
@@ -689,88 +689,88 @@
 {
     VncState *vs = opaque;
     if (vs->need_update && vs->csock != -1) {
-       int y;
-       uint8_t *row;
-       char *old_row;
-       uint32_t width_mask[VNC_DIRTY_WORDS];
-       int n_rectangles;
-       int saved_offset;
-       int has_dirty = 0;
+        int y;
+        uint8_t *row;
+        char *old_row;
+        uint32_t width_mask[VNC_DIRTY_WORDS];
+        int n_rectangles;
+        int saved_offset;
+        int has_dirty = 0;
 
         vga_hw_update();
 
         vnc_set_bits(width_mask, (ds_get_width(vs->ds) / 16), VNC_DIRTY_WORDS);
 
-       /* Walk through the dirty map and eliminate tiles that
-          really aren't dirty */
-       row = ds_get_data(vs->ds);
-       old_row = vs->old_data;
+        /* Walk through the dirty map and eliminate tiles that
+           really aren't dirty */
+        row = ds_get_data(vs->ds);
+        old_row = vs->old_data;
 
-       for (y = 0; y < ds_get_height(vs->ds); y++) {
-           if (vnc_and_bits(vs->dirty_row[y], width_mask, VNC_DIRTY_WORDS)) {
-               int x;
-               uint8_t *ptr;
-               char *old_ptr;
+        for (y = 0; y < ds_get_height(vs->ds); y++) {
+            if (vnc_and_bits(vs->dirty_row[y], width_mask, VNC_DIRTY_WORDS)) {
+                int x;
+                uint8_t *ptr;
+                char *old_ptr;
 
-               ptr = row;
-               old_ptr = (char*)old_row;
+                ptr = row;
+                old_ptr = (char*)old_row;
 
-               for (x = 0; x < ds_get_width(vs->ds); x += 16) {
-                   if (memcmp(old_ptr, ptr, 16 * 
ds_get_bytes_per_pixel(vs->ds)) == 0) {
-                       vnc_clear_bit(vs->dirty_row[y], (x / 16));
-                   } else {
-                       has_dirty = 1;
-                       memcpy(old_ptr, ptr, 16 * 
ds_get_bytes_per_pixel(vs->ds));
-                   }
+                for (x = 0; x < ds_get_width(vs->ds); x += 16) {
+                    if (memcmp(old_ptr, ptr, 16 * 
ds_get_bytes_per_pixel(vs->ds)) == 0) {
+                        vnc_clear_bit(vs->dirty_row[y], (x / 16));
+                    } else {
+                        has_dirty = 1;
+                        memcpy(old_ptr, ptr, 16 * 
ds_get_bytes_per_pixel(vs->ds));
+                    }
 
-                   ptr += 16 * ds_get_bytes_per_pixel(vs->ds);
-                   old_ptr += 16 * ds_get_bytes_per_pixel(vs->ds);
-               }
-           }
+                    ptr += 16 * ds_get_bytes_per_pixel(vs->ds);
+                    old_ptr += 16 * ds_get_bytes_per_pixel(vs->ds);
+                }
+            }
 
-           row += ds_get_linesize(vs->ds);
-           old_row += ds_get_linesize(vs->ds);
-       }
+            row += ds_get_linesize(vs->ds);
+            old_row += ds_get_linesize(vs->ds);
+        }
 
-       if (!has_dirty && !vs->audio_cap) {
-           qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + 
VNC_REFRESH_INTERVAL);
-           return;
-       }
+        if (!has_dirty && !vs->audio_cap) {
+            qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + 
VNC_REFRESH_INTERVAL);
+            return;
+        }
 
-       /* Count rectangles */
-       n_rectangles = 0;
-       vnc_write_u8(vs, 0);  /* msg id */
-       vnc_write_u8(vs, 0);
-       saved_offset = vs->output.offset;
-       vnc_write_u16(vs, 0);
+        /* Count rectangles */
+        n_rectangles = 0;
+        vnc_write_u8(vs, 0);  /* msg id */
+        vnc_write_u8(vs, 0);
+        saved_offset = vs->output.offset;
+        vnc_write_u16(vs, 0);
 
-       for (y = 0; y < vs->serverds.height; y++) {
-           int x;
-           int last_x = -1;
-           for (x = 0; x < vs->serverds.width / 16; x++) {
-               if (vnc_get_bit(vs->dirty_row[y], x)) {
-                   if (last_x == -1) {
-                       last_x = x;
-                   }
-                   vnc_clear_bit(vs->dirty_row[y], x);
-               } else {
-                   if (last_x != -1) {
-                       int h = find_dirty_height(vs, y, last_x, x);
-                       send_framebuffer_update(vs, last_x * 16, y, (x - 
last_x) * 16, h);
-                       n_rectangles++;
-                   }
-                   last_x = -1;
-               }
-           }
-           if (last_x != -1) {
-               int h = find_dirty_height(vs, y, last_x, x);
-               send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, 
h);
-               n_rectangles++;
-           }
-       }
-       vs->output.buffer[saved_offset] = (n_rectangles >> 8) & 0xFF;
-       vs->output.buffer[saved_offset + 1] = n_rectangles & 0xFF;
-       vnc_flush(vs);
+        for (y = 0; y < vs->serverds.height; y++) {
+            int x;
+            int last_x = -1;
+            for (x = 0; x < vs->serverds.width / 16; x++) {
+                if (vnc_get_bit(vs->dirty_row[y], x)) {
+                    if (last_x == -1) {
+                        last_x = x;
+                    }
+                    vnc_clear_bit(vs->dirty_row[y], x);
+                } else {
+                    if (last_x != -1) {
+                        int h = find_dirty_height(vs, y, last_x, x);
+                        send_framebuffer_update(vs, last_x * 16, y, (x - 
last_x) * 16, h);
+                        n_rectangles++;
+                    }
+                    last_x = -1;
+                }
+            }
+            if (last_x != -1) {
+                int h = find_dirty_height(vs, y, last_x, x);
+                send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, 
h);
+                n_rectangles++;
+            }
+        }
+        vs->output.buffer[saved_offset] = (n_rectangles >> 8) & 0xFF;
+        vs->output.buffer[saved_offset + 1] = n_rectangles & 0xFF;
+        vnc_flush(vs);
 
     }
 
@@ -863,15 +863,15 @@
             }
         }
 
-       VNC_DEBUG("Closing down client sock %d %d\n", ret, ret < 0 ? last_errno 
: 0);
-       qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL);
-       closesocket(vs->csock);
+        VNC_DEBUG("Closing down client sock %d %d\n", ret, ret < 0 ? 
last_errno : 0);
+        qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL);
+        closesocket(vs->csock);
         qemu_del_timer(vs->timer);
         qemu_free_timer(vs->timer);
         if (vs->input.buffer) qemu_free(vs->input.buffer);
         if (vs->output.buffer) qemu_free(vs->output.buffer);
 #ifdef CONFIG_VNC_TLS
-       vnc_tls_client_cleanup(vs);
+        vnc_tls_client_cleanup(vs);
 #endif /* CONFIG_VNC_TLS */
 #ifdef CONFIG_VNC_SASL
         vnc_sasl_client_cleanup(vs);
@@ -895,7 +895,7 @@
         qemu_free(vs->old_data);
         qemu_free(vs);
   
-       return 0;
+        return 0;
     }
     return ret;
 }
@@ -927,17 +927,17 @@
     long ret;
 #ifdef CONFIG_VNC_TLS
     if (vs->tls.session) {
-       ret = gnutls_write(vs->tls.session, data, datalen);
-       if (ret < 0) {
-           if (ret == GNUTLS_E_AGAIN)
-               errno = EAGAIN;
-           else
-               errno = EIO;
-           ret = -1;
-       }
+        ret = gnutls_write(vs->tls.session, data, datalen);
+        if (ret < 0) {
+            if (ret == GNUTLS_E_AGAIN)
+                errno = EAGAIN;
+            else
+                errno = EIO;
+            ret = -1;
+        }
     } else
 #endif /* CONFIG_VNC_TLS */
-       ret = send(vs->csock, data, datalen, 0);
+        ret = send(vs->csock, data, datalen, 0);
     VNC_DEBUG("Wrote wire %p %d -> %ld\n", data, datalen, ret);
     return vnc_client_io_error(vs, ret, socket_error());
 }
@@ -978,7 +978,7 @@
     vs->output.offset -= ret;
 
     if (vs->output.offset == 0) {
-       qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
+        qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs);
     }
 
     return ret;
@@ -1032,17 +1032,17 @@
     long ret;
 #ifdef CONFIG_VNC_TLS
     if (vs->tls.session) {
-       ret = gnutls_read(vs->tls.session, data, datalen);
-       if (ret < 0) {
-           if (ret == GNUTLS_E_AGAIN)
-               errno = EAGAIN;
-           else
-               errno = EIO;
-           ret = -1;
-       }
+        ret = gnutls_read(vs->tls.session, data, datalen);
+        if (ret < 0) {
+            if (ret == GNUTLS_E_AGAIN)
+                errno = EAGAIN;
+            else
+                errno = EIO;
+            ret = -1;
+        }
     } else
 #endif /* CONFIG_VNC_TLS */
-       ret = recv(vs->csock, data, datalen, 0);
+        ret = recv(vs->csock, data, datalen, 0);
     VNC_DEBUG("Read wire %p %d -> %ld\n", data, datalen, ret);
     return vnc_client_io_error(vs, ret, socket_error());
 }
@@ -1087,22 +1087,22 @@
 #endif /* CONFIG_VNC_SASL */
         ret = vnc_client_read_plain(vs);
     if (!ret)
-       return;
+        return;
 
     while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) {
-       size_t len = vs->read_handler_expect;
-       int ret;
+        size_t len = vs->read_handler_expect;
+        int ret;
 
-       ret = vs->read_handler(vs, vs->input.buffer, len);
-       if (vs->csock == -1)
-           return;
+        ret = vs->read_handler(vs, vs->input.buffer, len);
+        if (vs->csock == -1)
+            return;
 
-       if (!ret) {
-           memmove(vs->input.buffer, vs->input.buffer + len, (vs->input.offset 
- len));
-           vs->input.offset -= len;
-       } else {
-           vs->read_handler_expect = ret;
-       }
+        if (!ret) {
+            memmove(vs->input.buffer, vs->input.buffer + len, 
(vs->input.offset - len));
+            vs->input.offset -= len;
+        } else {
+            vs->read_handler_expect = ret;
+        }
     }
 }
 
@@ -1111,7 +1111,7 @@
     buffer_reserve(&vs->output, len);
 
     if (buffer_empty(&vs->output)) {
-       qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, 
vnc_client_write, vs);
+        qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, 
vnc_client_write, vs);
     }
 
     buffer_append(&vs->output, data, len);
@@ -1152,7 +1152,7 @@
 void vnc_flush(VncState *vs)
 {
     if (vs->output.offset)
-       vnc_client_write(vs);
+        vnc_client_write(vs);
 }
 
 uint8_t read_u8(uint8_t *data, size_t offset)
@@ -1168,13 +1168,13 @@
 int32_t read_s32(uint8_t *data, size_t offset)
 {
     return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) |
-                    (data[offset + 2] << 8) | data[offset + 3]);
+                     (data[offset + 2] << 8) | data[offset + 3]);
 }
 
 uint32_t read_u32(uint8_t *data, size_t offset)
 {
     return ((data[offset] << 24) | (data[offset + 1] << 16) |
-           (data[offset + 2] << 8) | data[offset + 3]);
+            (data[offset + 2] << 8) | data[offset + 3]);
 }
 
 static void client_cut_text(VncState *vs, size_t len, uint8_t *text)
@@ -1184,13 +1184,13 @@
 static void check_pointer_type_change(VncState *vs, int absolute)
 {
     if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE) && vs->absolute 
!= absolute) {
-       vnc_write_u8(vs, 0);
-       vnc_write_u8(vs, 0);
-       vnc_write_u16(vs, 1);
-       vnc_framebuffer_update(vs, absolute, 0,
-                              ds_get_width(vs->ds), ds_get_height(vs->ds),
+        vnc_write_u8(vs, 0);
+        vnc_write_u8(vs, 0);
+        vnc_write_u16(vs, 1);
+        vnc_framebuffer_update(vs, absolute, 0,
+                               ds_get_width(vs->ds), ds_get_height(vs->ds),
                                VNC_ENCODING_POINTER_TYPE_CHANGE);
-       vnc_flush(vs);
+        vnc_flush(vs);
     }
     vs->absolute = absolute;
 }
@@ -1201,32 +1201,32 @@
     int dz = 0;
 
     if (button_mask & 0x01)
-       buttons |= MOUSE_EVENT_LBUTTON;
+        buttons |= MOUSE_EVENT_LBUTTON;
     if (button_mask & 0x02)
-       buttons |= MOUSE_EVENT_MBUTTON;
+        buttons |= MOUSE_EVENT_MBUTTON;
     if (button_mask & 0x04)
-       buttons |= MOUSE_EVENT_RBUTTON;
+        buttons |= MOUSE_EVENT_RBUTTON;
     if (button_mask & 0x08)
-       dz = -1;
+        dz = -1;
     if (button_mask & 0x10)
-       dz = 1;
+        dz = 1;
 
     if (vs->absolute) {
-       kbd_mouse_event(x * 0x7FFF / (ds_get_width(vs->ds) - 1),
-                       y * 0x7FFF / (ds_get_height(vs->ds) - 1),
-                       dz, buttons);
+        kbd_mouse_event(x * 0x7FFF / (ds_get_width(vs->ds) - 1),
+                        y * 0x7FFF / (ds_get_height(vs->ds) - 1),
+                        dz, buttons);
     } else if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE)) {
-       x -= 0x7FFF;
-       y -= 0x7FFF;
+        x -= 0x7FFF;
+        y -= 0x7FFF;
 
-       kbd_mouse_event(x, y, dz, buttons);
+        kbd_mouse_event(x, y, dz, buttons);
     } else {
-       if (vs->last_x != -1)
-           kbd_mouse_event(x - vs->last_x,
-                           y - vs->last_y,
-                           dz, buttons);
-       vs->last_x = x;
-       vs->last_y = y;
+        if (vs->last_x != -1)
+            kbd_mouse_event(x - vs->last_x,
+                            y - vs->last_y,
+                            dz, buttons);
+        vs->last_x = x;
+        vs->last_y = y;
     }
 
     check_pointer_type_change(vs, kbd_mouse_is_absolute());
@@ -1274,8 +1274,8 @@
             return;
         }
         break;
-    case 0x3a:                 /* CapsLock */
-    case 0x45:                 /* NumLock */
+    case 0x3a:                        /* CapsLock */
+    case 0x45:                        /* NumLock */
         if (!down)
             vs->modifiers_state[keycode] ^= 1;
         break;
@@ -1357,7 +1357,7 @@
     int keycode;
 
     if (sym >= 'A' && sym <= 'Z' && is_graphic_console())
-       sym = sym - 'A' + 'a';
+        sym = sym - 'A' + 'a';
 
     keycode = keysym2scancode(vs->vd->kbd_layout, sym & 0xFFFF);
     do_key_event(vs, down, keycode, sym);
@@ -1374,8 +1374,8 @@
 }
 
 static void framebuffer_update_request(VncState *vs, int incremental,
-                                      int x_position, int y_position,
-                                      int w, int h)
+                                       int x_position, int y_position,
+                                       int w, int h)
 {
     if (x_position > ds_get_width(vs->ds))
         x_position = ds_get_width(vs->ds);
@@ -1389,14 +1389,14 @@
     int i;
     vs->need_update = 1;
     if (!incremental) {
-       char *old_row = vs->old_data + y_position * ds_get_linesize(vs->ds);
+        char *old_row = vs->old_data + y_position * ds_get_linesize(vs->ds);
 
-       for (i = 0; i < h; i++) {
+        for (i = 0; i < h; i++) {
             vnc_set_bits(vs->dirty_row[y_position + i],
                          (ds_get_width(vs->ds) / 16), VNC_DIRTY_WORDS);
-           memset(old_row, 42, ds_get_width(vs->ds) * 
ds_get_bytes_per_pixel(vs->ds));
-           old_row += ds_get_linesize(vs->ds);
-       }
+            memset(old_row, 42, ds_get_width(vs->ds) * 
ds_get_bytes_per_pixel(vs->ds));
+            old_row += ds_get_linesize(vs->ds);
+        }
     }
 }
 
@@ -1513,13 +1513,13 @@
 }
 
 static void set_pixel_format(VncState *vs,
-                            int bits_per_pixel, int depth,
-                            int big_endian_flag, int true_color_flag,
-                            int red_max, int green_max, int blue_max,
-                            int red_shift, int green_shift, int blue_shift)
+                             int bits_per_pixel, int depth,
+                             int big_endian_flag, int true_color_flag,
+                             int red_max, int green_max, int blue_max,
+                             int red_shift, int green_shift, int blue_shift)
 {
     if (!true_color_flag) {
-       vnc_client_error(vs);
+        vnc_client_error(vs);
         return;
     }
 
@@ -1606,65 +1606,65 @@
 
     switch (data[0]) {
     case 0:
-       if (len == 1)
-           return 20;
+        if (len == 1)
+            return 20;
 
-       set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5),
-                        read_u8(data, 6), read_u8(data, 7),
-                        read_u16(data, 8), read_u16(data, 10),
-                        read_u16(data, 12), read_u8(data, 14),
-                        read_u8(data, 15), read_u8(data, 16));
-       break;
+        set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5),
+                         read_u8(data, 6), read_u8(data, 7),
+                         read_u16(data, 8), read_u16(data, 10),
+                         read_u16(data, 12), read_u8(data, 14),
+                         read_u8(data, 15), read_u8(data, 16));
+        break;
     case 2:
-       if (len == 1)
-           return 4;
+        if (len == 1)
+            return 4;
 
-       if (len == 4) {
+        if (len == 4) {
             limit = read_u16(data, 2);
             if (limit > 0)
                 return 4 + (limit * 4);
         } else
             limit = read_u16(data, 2);
 
-       for (i = 0; i < limit; i++) {
-           int32_t val = read_s32(data, 4 + (i * 4));
-           memcpy(data + 4 + (i * 4), &val, sizeof(val));
-       }
+        for (i = 0; i < limit; i++) {
+            int32_t val = read_s32(data, 4 + (i * 4));
+            memcpy(data + 4 + (i * 4), &val, sizeof(val));
+        }
 
-       set_encodings(vs, (int32_t *)(data + 4), limit);
-       break;
+        set_encodings(vs, (int32_t *)(data + 4), limit);
+        break;
     case 3:
-       if (len == 1)
-           return 10;
+        if (len == 1)
+            return 10;
 
-       framebuffer_update_request(vs,
-                                  read_u8(data, 1), read_u16(data, 2), 
read_u16(data, 4),
-                                  read_u16(data, 6), read_u16(data, 8));
-       break;
+        framebuffer_update_request(vs,
+                                   read_u8(data, 1), read_u16(data, 2), 
read_u16(data, 4),
+                                   read_u16(data, 6), read_u16(data, 8));
+        break;
     case 4:
-       if (len == 1)
-           return 8;
+        if (len == 1)
+            return 8;
 
-       key_event(vs, read_u8(data, 1), read_u32(data, 4));
-       break;
+        key_event(vs, read_u8(data, 1), read_u32(data, 4));
+        break;
     case 5:
-       if (len == 1)
-           return 6;
+        if (len == 1)
+            return 6;
 
-       pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 
4));
-       break;
+        pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 
4));
+        break;
     case 6:
-       if (len == 1)
-           return 8;
+        if (len == 1)
+            return 8;
 
-       if (len == 8) {
+        if (len == 8) {
             uint32_t dlen = read_u32(data, 4);
             if (dlen > 0)
                 return 8 + dlen;
         }
 
-       client_cut_text(vs, read_u32(data, 4), data + 8);
-       break;
+        client_cut_text(vs, read_u32(data, 4), data + 8);
+        break;
     case 255:
         if (len == 1)
             return 2;
@@ -1726,9 +1726,9 @@
         }
         break;
     default:
-       printf("Msg: %d\n", data[0]);
-       vnc_client_error(vs);
-       break;
+        printf("Msg: %d\n", data[0]);
+        vnc_client_error(vs);
+        break;
     }
 
     vnc_read_when(vs, protocol_client_msg, 1);
@@ -1781,16 +1781,16 @@
     unsigned char key[8];
 
     if (!vs->vd->password || !vs->vd->password[0]) {
-       VNC_DEBUG("No password configured on server");
-       vnc_write_u32(vs, 1); /* Reject auth */
-       if (vs->minor >= 8) {
-           static const char err[] = "Authentication failed";
-           vnc_write_u32(vs, sizeof(err));
-           vnc_write(vs, err, sizeof(err));
-       }
-       vnc_flush(vs);
-       vnc_client_error(vs);
-       return 0;
+        VNC_DEBUG("No password configured on server");
+        vnc_write_u32(vs, 1); /* Reject auth */
+        if (vs->minor >= 8) {
+            static const char err[] = "Authentication failed";
+            vnc_write_u32(vs, sizeof(err));
+            vnc_write(vs, err, sizeof(err));
+        }
+        vnc_flush(vs);
+        vnc_client_error(vs);
+        return 0;
     }
 
     memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE);
@@ -1805,19 +1805,19 @@
 
     /* Compare expected vs actual challenge response */
     if (memcmp(response, data, VNC_AUTH_CHALLENGE_SIZE) != 0) {
-       VNC_DEBUG("Client challenge reponse did not match\n");
-       vnc_write_u32(vs, 1); /* Reject auth */
-       if (vs->minor >= 8) {
-           static const char err[] = "Authentication failed";
-           vnc_write_u32(vs, sizeof(err));
-           vnc_write(vs, err, sizeof(err));
-       }
-       vnc_flush(vs);
-       vnc_client_error(vs);
+        VNC_DEBUG("Client challenge reponse did not match\n");
+        vnc_write_u32(vs, 1); /* Reject auth */
+        if (vs->minor >= 8) {
+            static const char err[] = "Authentication failed";
+            vnc_write_u32(vs, sizeof(err));
+            vnc_write(vs, err, sizeof(err));
+        }
+        vnc_flush(vs);
+        vnc_client_error(vs);
     } else {
-       VNC_DEBUG("Accepting VNC challenge response\n");
-       vnc_write_u32(vs, 0); /* Accept auth */
-       vnc_flush(vs);
+        VNC_DEBUG("Accepting VNC challenge response\n");
+        vnc_write_u32(vs, 0); /* Accept auth */
+        vnc_flush(vs);
 
         start_client_init(vs);
     }
@@ -1901,35 +1901,35 @@
     local[12] = 0;
 
     if (sscanf(local, "RFB %03d.%03d\n", &vs->major, &vs->minor) != 2) {
-       VNC_DEBUG("Malformed protocol version %s\n", local);
-       vnc_client_error(vs);
-       return 0;
+        VNC_DEBUG("Malformed protocol version %s\n", local);
+        vnc_client_error(vs);
+        return 0;
     }
     VNC_DEBUG("Client request protocol version %d.%d\n", vs->major, vs->minor);
     if (vs->major != 3 ||
-       (vs->minor != 3 &&
-        vs->minor != 4 &&
-        vs->minor != 5 &&
-        vs->minor != 7 &&
-        vs->minor != 8)) {
-       VNC_DEBUG("Unsupported client version\n");
-       vnc_write_u32(vs, VNC_AUTH_INVALID);
-       vnc_flush(vs);
-       vnc_client_error(vs);
-       return 0;
+        (vs->minor != 3 &&
+         vs->minor != 4 &&
+         vs->minor != 5 &&
+         vs->minor != 7 &&
+         vs->minor != 8)) {
+        VNC_DEBUG("Unsupported client version\n");
+        vnc_write_u32(vs, VNC_AUTH_INVALID);
+        vnc_flush(vs);
+        vnc_client_error(vs);
+        return 0;
     }
     /* Some broken clients report v3.4 or v3.5, which spec requires to be 
treated
      * as equivalent to v3.3 by servers
      */
     if (vs->minor == 4 || vs->minor == 5)
-       vs->minor = 3;
+        vs->minor = 3;
 
     if (vs->minor == 3) {
-       if (vs->vd->auth == VNC_AUTH_NONE) {
+        if (vs->vd->auth == VNC_AUTH_NONE) {
             VNC_DEBUG("Tell client auth none\n");
             vnc_write_u32(vs, vs->vd->auth);
             vnc_flush(vs);
-           start_client_init(vs);
+            start_client_init(vs);
        } else if (vs->vd->auth == VNC_AUTH_VNC) {
             VNC_DEBUG("Tell client VNC auth\n");
             vnc_write_u32(vs, vs->vd->auth);
@@ -1942,11 +1942,11 @@
             vnc_client_error(vs);
        }
     } else {
-       VNC_DEBUG("Telling client we support auth %d\n", vs->vd->auth);
-       vnc_write_u8(vs, 1); /* num auth */
-       vnc_write_u8(vs, vs->vd->auth);
-       vnc_read_when(vs, protocol_client_auth, 1);
-       vnc_flush(vs);
+        VNC_DEBUG("Telling client we support auth %d\n", vs->vd->auth);
+        vnc_write_u8(vs, 1); /* num auth */
+        vnc_write_u8(vs, vs->vd->auth);
+        vnc_read_when(vs, protocol_client_auth, 1);
+        vnc_flush(vs);
     }
 
     return 0;
@@ -2022,7 +2022,7 @@
         vs->kbd_layout = init_keyboard_layout(name2keysym, "en-us");
 
     if (!vs->kbd_layout)
-       exit(1);
+        exit(1);
 
     dcl->dpy_copy = vnc_dpy_copy;
     dcl->dpy_update = vnc_dpy_update;
@@ -2039,13 +2039,13 @@
     if (!vs)
         return;
     if (vs->display) {
-       qemu_free(vs->display);
-       vs->display = NULL;
+        qemu_free(vs->display);
+        vs->display = NULL;
     }
     if (vs->lsock != -1) {
-       qemu_set_fd_handler2(vs->lsock, NULL, NULL, NULL, NULL);
-       close(vs->lsock);
-       vs->lsock = -1;
+        qemu_set_fd_handler2(vs->lsock, NULL, NULL, NULL, NULL);
+        close(vs->lsock);
+        vs->lsock = -1;
     }
     vs->auth = VNC_AUTH_INVALID;
 #ifdef CONFIG_VNC_TLS
@@ -2059,12 +2059,12 @@
     VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display;
 
     if (vs->password) {
-       qemu_free(vs->password);
-       vs->password = NULL;
+        qemu_free(vs->password);
+        vs->password = NULL;
     }
     if (password && password[0]) {
-       if (!(vs->password = qemu_strdup(password)))
-           return -1;
+        if (!(vs->password = qemu_strdup(password)))
+            return -1;
     }
 
     return 0;
@@ -2090,76 +2090,76 @@
         return -1;
     vnc_display_close(ds);
     if (strcmp(display, "none") == 0)
-       return 0;
+        return 0;
 
     if (!(vs->display = strdup(display)))
-       return -1;
+        return -1;
 
     options = display;
     while ((options = strchr(options, ','))) {
-       options++;
-       if (strncmp(options, "password", 8) == 0) {
-           password = 1; /* Require password auth */
-       } else if (strncmp(options, "reverse", 7) == 0) {
-           reverse = 1;
-       } else if (strncmp(options, "to=", 3) == 0) {
+        options++;
+        if (strncmp(options, "password", 8) == 0) {
+            password = 1; /* Require password auth */
+        } else if (strncmp(options, "reverse", 7) == 0) {
+            reverse = 1;
+        } else if (strncmp(options, "to=", 3) == 0) {
             to_port = atoi(options+3) + 5900;
 #ifdef CONFIG_VNC_SASL
-       } else if (strncmp(options, "sasl", 4) == 0) {
-           sasl = 1; /* Require SASL auth */
+        } else if (strncmp(options, "sasl", 4) == 0) {
+            sasl = 1; /* Require SASL auth */
 #endif
 #ifdef CONFIG_VNC_TLS
-       } else if (strncmp(options, "tls", 3) == 0) {
-           tls = 1; /* Require TLS */
-       } else if (strncmp(options, "x509", 4) == 0) {
-           char *start, *end;
-           x509 = 1; /* Require x509 certificates */
-           if (strncmp(options, "x509verify", 10) == 0)
-               vs->tls.x509verify = 1; /* ...and verify client certs */
+        } else if (strncmp(options, "tls", 3) == 0) {
+            tls = 1; /* Require TLS */
+        } else if (strncmp(options, "x509", 4) == 0) {
+            char *start, *end;
+            x509 = 1; /* Require x509 certificates */
+            if (strncmp(options, "x509verify", 10) == 0)
+                vs->tls.x509verify = 1; /* ...and verify client certs */
 
-           /* Now check for 'x509=/some/path' postfix
-            * and use that to setup x509 certificate/key paths */
-           start = strchr(options, '=');
-           end = strchr(options, ',');
-           if (start && (!end || (start < end))) {
-               int len = end ? end-(start+1) : strlen(start+1);
-               char *path = qemu_strndup(start + 1, len);
+            /* Now check for 'x509=/some/path' postfix
+             * and use that to setup x509 certificate/key paths */
+            start = strchr(options, '=');
+            end = strchr(options, ',');
+            if (start && (!end || (start < end))) {
+                int len = end ? end-(start+1) : strlen(start+1);
+                char *path = qemu_strndup(start + 1, len);
 
-               VNC_DEBUG("Trying certificate path '%s'\n", path);
-               if (vnc_tls_set_x509_creds_dir(vs, path) < 0) {
-                   fprintf(stderr, "Failed to find x509 certificates/keys in 
%s\n", path);
-                   qemu_free(path);
-                   qemu_free(vs->display);
-                   vs->display = NULL;
-                   return -1;
-               }
-               qemu_free(path);
-           } else {
-               fprintf(stderr, "No certificate path provided\n");
-               qemu_free(vs->display);
-               vs->display = NULL;
-               return -1;
-           }
+                VNC_DEBUG("Trying certificate path '%s'\n", path);
+                if (vnc_tls_set_x509_creds_dir(vs, path) < 0) {
+                    fprintf(stderr, "Failed to find x509 certificates/keys in 
%s\n", path);
+                    qemu_free(path);
+                    qemu_free(vs->display);
+                    vs->display = NULL;
+                    return -1;
+                }
+                qemu_free(path);
+            } else {
+                fprintf(stderr, "No certificate path provided\n");
+                qemu_free(vs->display);
+                vs->display = NULL;
+                return -1;
+            }
 #endif
-       } else if (strncmp(options, "acl", 3) == 0) {
-           acl = 1;
-       }
+        } else if (strncmp(options, "acl", 3) == 0) {
+            acl = 1;
+        }
     }
 
 #ifdef CONFIG_VNC_TLS
     if (acl && x509 && vs->tls.x509verify) {
-       if (!(vs->tls.acl = qemu_acl_init("vnc.x509dname"))) {
-           fprintf(stderr, "Failed to create x509 dname ACL\n");
-           exit(1);
-       }
+        if (!(vs->tls.acl = qemu_acl_init("vnc.x509dname"))) {
+            fprintf(stderr, "Failed to create x509 dname ACL\n");
+            exit(1);
+        }
     }
 #endif
 #ifdef CONFIG_VNC_SASL
     if (acl && sasl) {
-       if (!(vs->sasl.acl = qemu_acl_init("vnc.username"))) {
-           fprintf(stderr, "Failed to create username ACL\n");
-           exit(1);
-       }
+        if (!(vs->sasl.acl = qemu_acl_init("vnc.username"))) {
+            fprintf(stderr, "Failed to create username ACL\n");
+            exit(1);
+        }
     }
 #endif
 
@@ -2181,22 +2181,22 @@
      */
     if (password) {
 #ifdef CONFIG_VNC_TLS
-       if (tls) {
-           vs->auth = VNC_AUTH_VENCRYPT;
-           if (x509) {
-               VNC_DEBUG("Initializing VNC server with x509 password auth\n");
-               vs->subauth = VNC_AUTH_VENCRYPT_X509VNC;
-           } else {
-               VNC_DEBUG("Initializing VNC server with TLS password auth\n");
-               vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC;
-           }
-       } else {
+        if (tls) {
+            vs->auth = VNC_AUTH_VENCRYPT;
+            if (x509) {
+                VNC_DEBUG("Initializing VNC server with x509 password auth\n");
+                vs->subauth = VNC_AUTH_VENCRYPT_X509VNC;
+            } else {
+                VNC_DEBUG("Initializing VNC server with TLS password auth\n");
+                vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC;
+            }
+        } else {
 #endif /* CONFIG_VNC_TLS */
-           VNC_DEBUG("Initializing VNC server with password auth\n");
-           vs->auth = VNC_AUTH_VNC;
+            VNC_DEBUG("Initializing VNC server with password auth\n");
+            vs->auth = VNC_AUTH_VNC;
 #ifdef CONFIG_VNC_TLS
-           vs->subauth = VNC_AUTH_INVALID;
-       }
+            vs->subauth = VNC_AUTH_INVALID;
+        }
 #endif /* CONFIG_VNC_TLS */
 #ifdef CONFIG_VNC_SASL
     } else if (sasl) {
@@ -2204,15 +2204,15 @@
         if (tls) {
             vs->auth = VNC_AUTH_VENCRYPT;
             if (x509) {
-               VNC_DEBUG("Initializing VNC server with x509 SASL auth\n");
+                VNC_DEBUG("Initializing VNC server with x509 SASL auth\n");
                 vs->subauth = VNC_AUTH_VENCRYPT_X509SASL;
             } else {
-               VNC_DEBUG("Initializing VNC server with TLS SASL auth\n");
+                VNC_DEBUG("Initializing VNC server with TLS SASL auth\n");
                 vs->subauth = VNC_AUTH_VENCRYPT_TLSSASL;
             }
         } else {
 #endif /* CONFIG_VNC_TLS */
-           VNC_DEBUG("Initializing VNC server with SASL auth\n");
+            VNC_DEBUG("Initializing VNC server with SASL auth\n");
             vs->auth = VNC_AUTH_SASL;
 #ifdef CONFIG_VNC_TLS
             vs->subauth = VNC_AUTH_INVALID;
@@ -2221,22 +2221,22 @@
 #endif /* CONFIG_VNC_SASL */
     } else {
 #ifdef CONFIG_VNC_TLS
-       if (tls) {
-           vs->auth = VNC_AUTH_VENCRYPT;
-           if (x509) {
-               VNC_DEBUG("Initializing VNC server with x509 no auth\n");
-               vs->subauth = VNC_AUTH_VENCRYPT_X509NONE;
-           } else {
-               VNC_DEBUG("Initializing VNC server with TLS no auth\n");
-               vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE;
-           }
-       } else {
+        if (tls) {
+            vs->auth = VNC_AUTH_VENCRYPT;
+            if (x509) {
+                VNC_DEBUG("Initializing VNC server with x509 no auth\n");
+                vs->subauth = VNC_AUTH_VENCRYPT_X509NONE;
+            } else {
+                VNC_DEBUG("Initializing VNC server with TLS no auth\n");
+                vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE;
+            }
+        } else {
 #endif
-           VNC_DEBUG("Initializing VNC server with no auth\n");
-           vs->auth = VNC_AUTH_NONE;
+            VNC_DEBUG("Initializing VNC server with no auth\n");
+            vs->auth = VNC_AUTH_NONE;
 #ifdef CONFIG_VNC_TLS
-           vs->subauth = VNC_AUTH_INVALID;
-       }
+            vs->subauth = VNC_AUTH_INVALID;
+        }
 #endif
     }
 





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