mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-30 12:04:07 +00:00
bd376a3487
operation done.
162 lines
4.5 KiB
C
162 lines
4.5 KiB
C
/*
|
|
* The new sysinstall program.
|
|
*
|
|
* This is probably the last program in the `sysinstall' line - the next
|
|
* generation being essentially a complete rewrite.
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
* Copyright (c) 2001
|
|
* Andrey A. Chernov. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer,
|
|
* verbatim and that no modifications are made prior to this
|
|
* point in the file.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ANDREY A. CHERNOV ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL ANDREY A. CHERNOV OR HIS PETS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
*/
|
|
|
|
#include "sysinstall.h"
|
|
#include <sys/stat.h>
|
|
#include <ctype.h>
|
|
#include <ttyent.h>
|
|
|
|
#define _X_EXTENSION ".XXXXXX"
|
|
|
|
void
|
|
configTtys(void)
|
|
{
|
|
int len, t, tlen, changed;
|
|
FILE *fp, *np;
|
|
char sq, *line, *p, *q, *cp, *tptr;
|
|
char templ[sizeof(_PATH_TTYS) + sizeof(_X_EXTENSION) - 1];
|
|
struct ttyent *tnam;
|
|
|
|
if ((cp = variable_get(VAR_CONSTERM)) == NULL ||
|
|
strcmp(cp, "NO") == 0)
|
|
return;
|
|
if (!file_readable(_PATH_TTYS)) {
|
|
msgConfirm("%s not exist or not readable", _PATH_TTYS);
|
|
return;
|
|
}
|
|
if ((fp = fopen(_PATH_TTYS, "r")) == NULL) {
|
|
msgConfirm("Can't open %s for read: %s", _PATH_TTYS,
|
|
strerror(errno));
|
|
return;
|
|
}
|
|
strcpy(templ, _PATH_TTYS _X_EXTENSION);
|
|
if ((t = mkstemp(templ)) < 0) {
|
|
msgConfirm("Can't create %s: %s", templ, strerror(errno));
|
|
(void)fclose(fp);
|
|
return;
|
|
}
|
|
if (fchmod(t, 0644)) {
|
|
msgConfirm("Can't fchmod %s: %s", templ, strerror(errno));
|
|
(void)fclose(fp);
|
|
return;
|
|
}
|
|
if ((np = fdopen(t, "w")) == NULL) {
|
|
msgConfirm("Can't fdopen %s: %s", templ, strerror(errno));
|
|
(void)close(t);
|
|
(void)fclose(fp);
|
|
(void)unlink(templ);
|
|
return;
|
|
}
|
|
changed = 0;
|
|
while ((line = fgetln(fp, &len)) != NULL) {
|
|
p = line;
|
|
while (p < (line + len) && isspace((unsigned char)*p))
|
|
++p;
|
|
if (strncmp(p, "ttyv", 4) != 0) {
|
|
dump:
|
|
if (fwrite(line, len, 1, np) != 1) {
|
|
wrerr:
|
|
msgConfirm("%s: write error: %s", templ, strerror(errno));
|
|
(void)fclose(fp);
|
|
(void)fclose(np);
|
|
(void)unlink(templ);
|
|
return;
|
|
}
|
|
} else {
|
|
q = p;
|
|
while(q < (line + len) && !isspace((unsigned char)*q))
|
|
++q;
|
|
if (!isspace((unsigned char)*q))
|
|
goto dump;
|
|
sq = *q;
|
|
*q = '\0';
|
|
tnam = getttynam(p);
|
|
*q = sq;
|
|
if (tnam == NULL || tnam->ty_type == NULL ||
|
|
strcmp(tnam->ty_type, cp) == 0 ||
|
|
strncmp(tnam->ty_type, "cons", 4) != 0 ||
|
|
!isdigit((unsigned char)tnam->ty_type[4])
|
|
)
|
|
goto dump;
|
|
tlen = strlen(tnam->ty_type);
|
|
tptr = NULL;
|
|
p = ++q;
|
|
while(p < (line + len)) {
|
|
if (strncmp(p, tnam->ty_type, tlen) == 0) {
|
|
tptr = p;
|
|
break;
|
|
}
|
|
++p;
|
|
}
|
|
if (tptr == NULL)
|
|
goto dump;
|
|
changed = 1;
|
|
if (fwrite(line, tptr - line, 1, np) != 1 ||
|
|
fputs(cp, np) ||
|
|
fwrite(tptr + tlen,
|
|
len - (tptr + tlen - line), 1, np) != 1)
|
|
goto wrerr;
|
|
}
|
|
}
|
|
if (!feof(fp)) {
|
|
msgConfirm("%s: read error: %s", _PATH_TTYS, strerror(errno));
|
|
(void)fclose(fp);
|
|
(void)fclose(np);
|
|
(void)unlink(templ);
|
|
return;
|
|
}
|
|
(void)fclose(fp);
|
|
if (fclose(np)) {
|
|
if (changed)
|
|
msgConfirm("%s: close error: %s", templ, strerror(errno));
|
|
else
|
|
variable_set2(VAR_CONSTERM, "NO", 0);
|
|
(void)unlink(templ);
|
|
return;
|
|
}
|
|
if (!changed) {
|
|
(void)unlink(templ);
|
|
variable_set2(VAR_CONSTERM, "NO", 0);
|
|
return;
|
|
}
|
|
if (rename(templ, _PATH_TTYS)) {
|
|
msgConfirm("Can't rename %s to %s: %s", templ, _PATH_TTYS,
|
|
strerror(errno));
|
|
return;
|
|
}
|
|
variable_set2(VAR_CONSTERM, "NO", 0);
|
|
}
|