b9c3c3fc77
This option adds Postfix and Exim to the list, however, qmail is not added due to license restrictions. Collaborated with: Simon L. Nielsen <simon@nitro.dk> Reviewed by: jhb, re@, -audit.
327 lines
7.8 KiB
C
327 lines
7.8 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) 1995
|
|
* Jordan Hubbard. All rights reserved.
|
|
* Copyright (c) 2001
|
|
* Murray Stokely. 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 JORDAN HUBBARD ``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 JORDAN HUBBARD 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"
|
|
|
|
/* Routines for dealing with variable lists */
|
|
|
|
static void
|
|
make_variable(char *var, char *value, int dirty)
|
|
{
|
|
Variable *vp;
|
|
|
|
/* Trim leading and trailing whitespace */
|
|
var = string_skipwhite(string_prune(var));
|
|
|
|
if (!var || !*var)
|
|
return;
|
|
|
|
|
|
/* Now search to see if it's already in the list */
|
|
for (vp = VarHead; vp; vp = vp->next) {
|
|
if (!strcmp(vp->name, var)) {
|
|
if (vp->dirty && !dirty)
|
|
return;
|
|
setenv(var, value, 1);
|
|
free(vp->value);
|
|
vp->value = strdup(value);
|
|
if (dirty != -1)
|
|
vp->dirty = dirty;
|
|
return;
|
|
}
|
|
}
|
|
|
|
setenv(var, value, 1);
|
|
/* No? Create a new one */
|
|
vp = (Variable *)safe_malloc(sizeof(Variable));
|
|
vp->name = strdup(var);
|
|
vp->value = strdup(value);
|
|
if (dirty == -1)
|
|
dirty = 0;
|
|
vp->dirty = dirty;
|
|
vp->next = VarHead;
|
|
VarHead = vp;
|
|
}
|
|
|
|
void
|
|
variable_set(char *var, int dirty)
|
|
{
|
|
char tmp[1024], *cp;
|
|
|
|
if (!var)
|
|
msgFatal("NULL variable name & value passed.");
|
|
else if (!*var)
|
|
msgDebug("Warning: Zero length name & value passed to variable_set()\n");
|
|
SAFE_STRCPY(tmp, var);
|
|
if ((cp = index(tmp, '=')) == NULL)
|
|
msgFatal("Invalid variable format: %s", var);
|
|
*(cp++) = '\0';
|
|
make_variable(tmp, string_skipwhite(cp), dirty);
|
|
}
|
|
|
|
void
|
|
variable_set2(char *var, char *value, int dirty)
|
|
{
|
|
if (!var || !value)
|
|
msgFatal("Null name or value passed to set_variable2(%s) = %s!",
|
|
var ? var : "", value ? value : "");
|
|
else if (!*var || !*value)
|
|
msgDebug("Warning: Zero length name or value passed to variable_set2(%s) = %s\n",
|
|
var, value);
|
|
make_variable(var, value, dirty);
|
|
}
|
|
|
|
char *
|
|
variable_get(char *var)
|
|
{
|
|
return getenv(var);
|
|
}
|
|
|
|
int
|
|
variable_cmp(char *var, char *value)
|
|
{
|
|
char *val;
|
|
|
|
if ((val = variable_get(var)))
|
|
return strcmp(val, value);
|
|
return -1;
|
|
}
|
|
|
|
void
|
|
variable_unset(char *var)
|
|
{
|
|
Variable *vp;
|
|
char name[512], *cp;
|
|
|
|
if ((cp = index(var, '=')) != NULL)
|
|
sstrncpy(name, var, cp - var);
|
|
else
|
|
SAFE_STRCPY(name, var);
|
|
unsetenv(name);
|
|
/* Now search to see if it's in our list, if we have one.. */
|
|
if (!VarHead)
|
|
return;
|
|
else if (!VarHead->next && !strcmp(VarHead->name, name)) {
|
|
safe_free(VarHead->name);
|
|
safe_free(VarHead->value);
|
|
free(VarHead);
|
|
VarHead = NULL;
|
|
}
|
|
else {
|
|
for (vp = VarHead; vp; vp = vp->next) {
|
|
if (!strcmp(vp->name, name)) {
|
|
Variable *save = vp->next;
|
|
|
|
safe_free(vp->name);
|
|
safe_free(vp->value);
|
|
*vp = *save;
|
|
safe_free(save);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Prompt user for the name of a variable */
|
|
char *
|
|
variable_get_value(char *var, char *prompt, int dirty)
|
|
{
|
|
char *cp;
|
|
|
|
cp = variable_get(var);
|
|
if (cp && variable_get(VAR_NONINTERACTIVE))
|
|
return cp;
|
|
else if ((cp = msgGetInput(cp, "%s", prompt)) != NULL)
|
|
variable_set2(var, cp, dirty);
|
|
else
|
|
cp = NULL;
|
|
return cp;
|
|
}
|
|
|
|
/* Check if value passed in data (in the form "variable=value") is
|
|
* valid, and it's status compared to the value of variable stored in
|
|
* env
|
|
*
|
|
* Possible return values :
|
|
* -3: Invalid line, the data string is NOT set as an env variable
|
|
* -2: Invalid line, the data string is set as an env variable
|
|
* -1: Invalid line
|
|
* 0: Valid line, is NOT equal to env version
|
|
* 1: Valid line, is equal to env version
|
|
* 2: Valid line, value empty - e.g. foo=""
|
|
* 3: Valid line, does not exist in env
|
|
*/
|
|
int
|
|
variable_check2(char *data)
|
|
{
|
|
char *cp, *cp2, *cp3, tmp[256];
|
|
|
|
if (data == NULL)
|
|
return -1;
|
|
SAFE_STRCPY(tmp, data);
|
|
if ((cp = index(tmp, '=')) != NULL) {
|
|
*(cp++) = '\0';
|
|
if (*cp == '"') { /* smash quotes if present */
|
|
++cp;
|
|
if ((cp3 = index(cp, '"')) != NULL)
|
|
*cp3 = '\0';
|
|
}
|
|
else if ((cp3 = index(cp, ',')) != NULL)
|
|
*cp3 = '\0';
|
|
cp2 = variable_get(tmp);
|
|
if (cp2 != NULL) {
|
|
if (*cp == NULL)
|
|
return 2;
|
|
else
|
|
return strcmp(cp, cp2) == 0 ? 1 : 0;
|
|
}
|
|
else
|
|
return 3;
|
|
}
|
|
else
|
|
return variable_get(tmp) != NULL ? -2 : -3;
|
|
}
|
|
|
|
/* Check if the value passed in data (in the form "variable=value") is
|
|
equal to the value of variable stored in env */
|
|
int
|
|
variable_check(char *data)
|
|
{
|
|
int ret;
|
|
ret = variable_check2(data);
|
|
|
|
switch(ret) {
|
|
case -2:
|
|
case 1:
|
|
case 2:
|
|
return TRUE;
|
|
/* NOT REACHED */
|
|
default:
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
int
|
|
dump_variables(dialogMenuItem *unused)
|
|
{
|
|
FILE *fp;
|
|
Variable *vp;
|
|
|
|
if (isDebug())
|
|
msgDebug("Writing sysinstall variables to file..\n");
|
|
|
|
fp = fopen("/etc/sysinstall.vars", "w");
|
|
if (!fp) {
|
|
msgConfirm("Unable to write to /etc/sysinstall.vars: %s",
|
|
strerror(errno));
|
|
return DITEM_FAILURE;
|
|
}
|
|
|
|
for (vp = VarHead; vp; vp = vp->next)
|
|
fprintf(fp, "%s=\"%s\" (%d)\n", vp->name, vp->value, vp->dirty);
|
|
|
|
fclose(fp);
|
|
|
|
return DITEM_SUCCESS;
|
|
}
|
|
|
|
/* Free all of the variables, useful to really start over as when the
|
|
user selects "restart" from the interrupt menu. */
|
|
void
|
|
free_variables(void)
|
|
{
|
|
Variable *vp;
|
|
|
|
/* Free the variables from our list, if we have one.. */
|
|
if (!VarHead)
|
|
return;
|
|
else if (!VarHead->next) {
|
|
unsetenv(VarHead->name);
|
|
safe_free(VarHead->name);
|
|
safe_free(VarHead->value);
|
|
free(VarHead);
|
|
VarHead = NULL;
|
|
}
|
|
else {
|
|
for (vp = VarHead; vp; ) {
|
|
Variable *save = vp;
|
|
unsetenv(vp->name);
|
|
safe_free(vp->name);
|
|
safe_free(vp->value);
|
|
vp = vp->next;
|
|
safe_free(save);
|
|
}
|
|
VarHead = NULL;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Persistent variables. The variables modified by these functions
|
|
* are not cleared between invocations of sysinstall. This is useful
|
|
* to allow the user to completely restart sysinstall, without having
|
|
* it load all of the modules again from the installation media which
|
|
* are still in memory.
|
|
*/
|
|
|
|
void
|
|
pvariable_set(char *var)
|
|
{
|
|
char tmp[1024];
|
|
|
|
if (!var)
|
|
msgFatal("NULL variable name & value passed.");
|
|
else if (!*var)
|
|
msgDebug("Warning: Zero length name & value passed to variable_set()\n");
|
|
/* Add a trivial namespace to whatever name the caller chooses. */
|
|
SAFE_STRCPY(tmp, "SYSINSTALL_PVAR");
|
|
if (index(var, '=') == NULL)
|
|
msgFatal("Invalid variable format: %s", var);
|
|
strlcat(tmp, var, 1024);
|
|
putenv(tmp);
|
|
}
|
|
|
|
char *
|
|
pvariable_get(char *var)
|
|
{
|
|
char tmp[1024];
|
|
|
|
SAFE_STRCPY(tmp, "SYSINSTALL_PVAR");
|
|
strlcat(tmp, var, 1024);
|
|
return getenv(tmp);
|
|
}
|