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Differential D26646 Diff 78351 sysutils/p5-BSD-Jail-Object/files/patch-Object.pm

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sysutils/p5-BSD-Jail-Object/files/patch-Object.pm

! !
! - Plug a memory used after free. ! - Plug a memory used after free.
! - Try to make things work basically with modern jails ! - Try to make things work basically with modern jails
! (read "make work" as "compile"). ! (read "make work" as "compile").
! Ideally one would change the internal API and return arrayrefs ! Ideally one would change the internal API and return arrayrefs
! of IPs per address family as well as jailname, ... for the new ! of IPs per address family as well as jailname, ... for the new
! version and keep compat. Most likely one would need to keep the ! version and keep compat. Most likely one would need to keep the
! version information along with the cached data. ! version information along with the cached data.
! Look at usr.sbin/{jail,jls,jexec} sources for the right ideas. ! Look at usr.sbin/{jail,jls,jexec} sources for the right ideas.
! !
--- ./Object.pm.orig 2006-08-08 04:54:29.000000000 +0000 --- Object.pm.orig 2006-08-08 04:54:29 UTC
+++ ./Object.pm 2008-12-28 14:06:27.000000000 +0000 +++ Object.pm
@@ -317,21 +317,69 @@ @@ -317,21 +317,56 @@ struct xprison
return NULL; return NULL;
} }
- free( sxp ); - free( sxp );
return xp; return xp;
} }
+static int +static int
+_is_jail_ip4(char *string, struct xprison *xp) +_is_jail_ip4(char *string, struct xprison *xp)
+{ +{
+ struct in_addr in; + struct in_addr in;
+#if ((__FreeBSD_version >= 800056) || (__FreeBSD_version < 800000) && (__FreeBSD_version >= 701103))
+ struct in_addr *iap; + struct in_addr *iap;
+ char *q; + char *q;
+ int i; + int i;
+#endif
+ +
+ if (inet_pton(AF_INET, string, &in) != 1) + if (inet_pton(AF_INET, string, &in) != 1)
+ return (0); + return (0);
+ +
+#if ((__FreeBSD_version >= 800000 && __FreeBSD_version < 800056) || __FreeBSD_version < 701103)
+ if (in.s_addr == xp->pr_ip)
+ return (1);
+#else
+ if (xp->pr_ip4s == 0) + if (xp->pr_ip4s == 0)
+ return (0); + return (0);
+ q = (char *)(xp + 1); + q = (char *)(xp + 1);
+ iap = (struct in_addr *)(void *)q; + iap = (struct in_addr *)(void *)q;
+ for (i=0; i < xp->pr_ip4s; i++) + for (i=0; i < xp->pr_ip4s; i++)
+ if (in.s_addr == iap[i].s_addr) + if (in.s_addr == iap[i].s_addr)
+ return (1); + return (1);
+#endif
+ return (0); + return (0);
+} +}
+ +
+static void +static void
+_get_jail_ip4(struct xprison *xp, struct in_addr *ia) +_get_jail_ip4(struct xprison *xp, struct in_addr *ia)
+{ +{
+#if ((__FreeBSD_version >= 800056) || (__FreeBSD_version < 800000) && (__FreeBSD_version >= 701103))
+ struct in_addr *iap; + struct in_addr *iap;
+ char *q; + char *q;
+#endif
+ +
+#if ((__FreeBSD_version >= 800000 && __FreeBSD_version < 800056) || __FreeBSD_version < 701103)
+ ia->s_addr = xp->pr_ip;
+#else
+ if (xp->pr_ip4s == 0) + if (xp->pr_ip4s == 0)
+ ia->s_addr = 0; + ia->s_addr = 0;
+ else { + else {
+ q = (char *)(xp + 1); + q = (char *)(xp + 1);
+ iap = (struct in_addr *)(void *)q; + iap = (struct in_addr *)(void *)q;
+ ia->s_addr = iap[0].s_addr; + ia->s_addr = iap[0].s_addr;
+ } + }
+#endif
+} +}
+ +
// fetch a specific jail's information // fetch a specific jail's information
void void
_find_jail( int compare, char *string ) _find_jail( int compare, char *string )
{ {
- struct xprison *xp; - struct xprison *xp;
+ struct xprison *sxp, *xp; + struct xprison *sxp, *xp;
struct in_addr in; struct in_addr in;
size_t i, len; size_t i, len;
Inline_Stack_Vars; Inline_Stack_Vars;
Inline_Stack_Reset; Inline_Stack_Reset;
- xp = get_xp(); - xp = get_xp();
+ sxp = xp = get_xp(); + sxp = xp = get_xp();
len = sysctl_len(); len = sysctl_len();
/* /*
@@ -341,15 +389,15 @@ @@ -341,15 +376,15 @@ _find_jail( int compare, char *string )
*/ */
for (i = 0; i < len / sizeof(*xp); i++) { for (i = 0; i < len / sizeof(*xp); i++) {
- in.s_addr = ntohl(xp->pr_ip); - in.s_addr = ntohl(xp->pr_ip);
if ( if (
( compare == 0 && xp->pr_id == atoi(string) ) ( compare == 0 && xp->pr_id == atoi(string) )
|| ||
- ( compare == 1 && strcmp( string, inet_ntoa(in) ) == 0 ) - ( compare == 1 && strcmp( string, inet_ntoa(in) ) == 0 )
+ ( compare == 1 && _is_jail_ip4(string, xp) ) + ( compare == 1 && _is_jail_ip4(string, xp) )
|| ||
( compare == 2 && strcmp( string, xp->pr_host ) == 0 ) ( compare == 2 && strcmp( string, xp->pr_host ) == 0 )
) { ) {
Inline_Stack_Push( sv_2mortal( newSViv( xp->pr_id ) )); Inline_Stack_Push( sv_2mortal( newSViv( xp->pr_id ) ));
+ _get_jail_ip4(xp, &in); + _get_jail_ip4(xp, &in);
Inline_Stack_Push( sv_2mortal( newSVpvf( inet_ntoa(in) ) )); Inline_Stack_Push( sv_2mortal( newSVpvf( inet_ntoa(in) ) ));
Inline_Stack_Push( sv_2mortal( newSVpvf( xp->pr_host ) )); Inline_Stack_Push( sv_2mortal( newSVpvf( xp->pr_host ) ));
Inline_Stack_Push( sv_2mortal( newSVpvf( xp->pr_path ) )); Inline_Stack_Push( sv_2mortal( newSVpvf( xp->pr_path ) ));
@@ -360,6 +408,7 @@ @@ -360,6 +395,7 @@ _find_jail( int compare, char *string )
} }
} }
+ free ( sxp ); + free ( sxp );
Inline_Stack_Done; Inline_Stack_Done;
} }
@@ -367,12 +416,12 @@ @@ -367,12 +403,12 @@ _find_jail( int compare, char *string )
void void
_find_jids() _find_jids()
{ {
- struct xprison *xp; - struct xprison *xp;
+ struct xprison *sxp, *xp; + struct xprison *sxp, *xp;
size_t i, len; size_t i, len;
Inline_Stack_Vars; Inline_Stack_Vars;
Inline_Stack_Reset; Inline_Stack_Reset;
- xp = get_xp(); - xp = get_xp();
+ sxp = xp = get_xp(); + sxp = xp = get_xp();
len = sysctl_len(); len = sysctl_len();
for (i = 0; i < len / sizeof(*xp); i++) { for (i = 0; i < len / sizeof(*xp); i++) {
@@ -380,6 +429,7 @@ @@ -380,6 +416,7 @@ _find_jids()
xp++; xp++;
} }
+ free ( sxp ); + free ( sxp );
Inline_Stack_Done; Inline_Stack_Done;
} }
@@ -402,8 +452,14 @@ @@ -402,8 +439,9 @@ _create( char *path, char *hostname, char *ipaddr )
j.path = path; j.path = path;
j.hostname = hostname; j.hostname = hostname;
+#if ((__FreeBSD_version >= 800000 && __FreeBSD_version < 800056) || __FreeBSD_version < 701103) - j.ip_number = ntohl( ip.s_addr );
j.ip_number = ntohl( ip.s_addr ); - j.version = 0;
j.version = 0;
+#else
+ j.version = JAIL_API_VERSION; + j.version = JAIL_API_VERSION;
+ j.ip4s = 1; + j.ip4s = 1;
+ j.ip4 = &ip; + j.ip4 = &ip;
+#endif
if ( (jid = jail( &j )) == -1 ) return 0; if ( (jid = jail( &j )) == -1 ) return 0;