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Handle the case where a boolean parameter is also a node.

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PR:		bin/165515
MFC after:	2 weeks
This commit is contained in:
Jamie Gritton 2012-03-01 15:09:41 +00:00
parent 1d73388a07
commit 699f40077b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=232342
1 changed files with 23 additions and 30 deletions
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53
lib/libjail/jail.c
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@ -885,36 +885,20 @@ jailparam_type(struct jailparam *jp)
* the "no" counterpart to a boolean.
*/
nname = nononame(jp->jp_name);
if (nname != NULL) {
snprintf(desc.s, sizeof(desc.s), SJPARAM ".%s", nname);
free(nname);
miblen = sizeof(mib) - 2 * sizeof(int);
if (sysctl(mib, 2, mib + 2, &miblen, desc.s,
strlen(desc.s)) >= 0) {
mib[1] = 4;
desclen = sizeof(desc);
if (sysctl(mib, (miblen / sizeof(int)) + 2,
&desc, &desclen, NULL, 0) < 0) {
snprintf(jail_errmsg,
JAIL_ERRMSGLEN,
"sysctl(0.4.%s): %s", desc.s,
strerror(errno));
return (-1);
}
if ((desc.i & CTLTYPE) == CTLTYPE_INT &&
desc.s[0] == 'B') {
jp->jp_ctltype = desc.i;
jp->jp_flags |= JP_NOBOOL;
jp->jp_valuelen = sizeof(int);
return (0);
}
}
if (nname == NULL) {
unknown_parameter:
snprintf(jail_errmsg, JAIL_ERRMSGLEN,
"unknown parameter: %s", jp->jp_name);
errno = ENOENT;
return (-1);
}
unknown_parameter:
snprintf(jail_errmsg, JAIL_ERRMSGLEN,
"unknown parameter: %s", jp->jp_name);
errno = ENOENT;
return (-1);
snprintf(desc.s, sizeof(desc.s), SJPARAM ".%s", nname);
free(nname);
miblen = sizeof(mib) - 2 * sizeof(int);
if (sysctl(mib, 2, mib + 2, &miblen, desc.s,
strlen(desc.s)) < 0)
goto unknown_parameter;
jp->jp_flags |= JP_NOBOOL;
}
mib_desc:
mib[1] = 4;
@ -925,6 +909,16 @@ jailparam_type(struct jailparam *jp)
"sysctl(0.4.%s): %s", jp->jp_name, strerror(errno));
return (-1);
}
jp->jp_ctltype = desc.i;
/* If this came from removing a "no", it better be a boolean. */
if (jp->jp_flags & JP_NOBOOL) {
if ((desc.i & CTLTYPE) == CTLTYPE_INT && desc.s[0] == 'B') {
jp->jp_valuelen = sizeof(int);
return (0);
}
else if ((desc.i & CTLTYPE) != CTLTYPE_NODE)
goto unknown_parameter;
}
/* See if this is an array type. */
p = strchr(desc.s, '\0');
isarray = 0;
@ -935,7 +929,6 @@ jailparam_type(struct jailparam *jp)
p[-2] = 0;
}
/* Look for types we understand. */
jp->jp_ctltype = desc.i;
switch (desc.i & CTLTYPE) {
case CTLTYPE_INT:
if (desc.s[0] == 'B')