1/*- 2 * Copyright (c) 2010 James Gritton. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 *
| 1/*- 2 * Copyright (c) 2010 James Gritton. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 *
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26 * $FreeBSD: projects/jailconf/usr.sbin/jail/jailp.h 223188 2011-06-17 16:06:13Z jamie $
| 26 * $FreeBSD: projects/jailconf/usr.sbin/jail/jailp.h 223189 2011-06-17 16:18:44Z jamie $
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27 */ 28 29#include <sys/param.h> 30#include <sys/types.h> 31#include <sys/jail.h> 32#include <sys/queue.h> 33#include <sys/time.h> 34 35#include <jail.h> 36 37#define CONF_FILE "/etc/jail.conf" 38 39#define DEP_FROM 0 40#define DEP_TO 1 41 42#define DF_SEEN 0x01 /* Dependency has been followed */ 43#define DF_LIGHT 0x02 /* Implied dependency on jail existence only */ 44#define DF_NOFAIL 0x04 /* Don't propigate failed jails */ 45 46#define PF_VAR 0x01 /* This is a variable, not a true parameter */ 47#define PF_APPEND 0x02 /* Append to existing parameter list */ 48#define PF_BAD 0x04 /* Unable to resolve parameter value */ 49#define PF_INTERNAL 0x08 /* Internal parameter, not passed to kernel */ 50#define PF_BOOL 0x10 /* Boolean parameter */ 51#define PF_INT 0x20 /* Integer parameter */ 52#define PF_CONV 0x40 /* Parameter duplicated in converted form */ 53 54#define JF_START 0x0001 /* -c */ 55#define JF_SET 0x0002 /* -m */ 56#define JF_STOP 0x0004 /* -r */ 57#define JF_DEPEND 0x0008 /* Operation required by dependency */ 58#define JF_WILD 0x0010 /* Not specified on the command line */ 59#define JF_FAILED 0x0020 /* Operation failed */ 60#define JF_PARAMS 0x0040 /* Parameters checked and imported */ 61#define JF_RDTUN 0x0080 /* Create-only parameter check has been done */
| 27 */ 28 29#include <sys/param.h> 30#include <sys/types.h> 31#include <sys/jail.h> 32#include <sys/queue.h> 33#include <sys/time.h> 34 35#include <jail.h> 36 37#define CONF_FILE "/etc/jail.conf" 38 39#define DEP_FROM 0 40#define DEP_TO 1 41 42#define DF_SEEN 0x01 /* Dependency has been followed */ 43#define DF_LIGHT 0x02 /* Implied dependency on jail existence only */ 44#define DF_NOFAIL 0x04 /* Don't propigate failed jails */ 45 46#define PF_VAR 0x01 /* This is a variable, not a true parameter */ 47#define PF_APPEND 0x02 /* Append to existing parameter list */ 48#define PF_BAD 0x04 /* Unable to resolve parameter value */ 49#define PF_INTERNAL 0x08 /* Internal parameter, not passed to kernel */ 50#define PF_BOOL 0x10 /* Boolean parameter */ 51#define PF_INT 0x20 /* Integer parameter */ 52#define PF_CONV 0x40 /* Parameter duplicated in converted form */ 53 54#define JF_START 0x0001 /* -c */ 55#define JF_SET 0x0002 /* -m */ 56#define JF_STOP 0x0004 /* -r */ 57#define JF_DEPEND 0x0008 /* Operation required by dependency */ 58#define JF_WILD 0x0010 /* Not specified on the command line */ 59#define JF_FAILED 0x0020 /* Operation failed */ 60#define JF_PARAMS 0x0040 /* Parameters checked and imported */ 61#define JF_RDTUN 0x0080 /* Create-only parameter check has been done */
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62#define JF_IFUP 0x0100 /* IP addresses have been configured */ 63#define JF_MOUNTED 0x0200 /* Filesystems have been mounted */ 64#define JF_PERSIST 0x0400 /* Jail is temporarily persistent */ 65#define JF_TIMEOUT 0x0800 /* A command (or process kill) timed out */ 66#define JF_SLEEPQ 0x2000 /* Waiting on a command and/or timeout */
| 62#define JF_PERSIST 0x0100 /* Jail is temporarily persistent */ 63#define JF_TIMEOUT 0x0200 /* A command (or process kill) timed out */ 64#define JF_SLEEPQ 0x0400 /* Waiting on a command and/or timeout */
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67 68#define JF_OP_MASK (JF_START | JF_SET | JF_STOP) 69#define JF_RESTART (JF_START | JF_STOP) 70#define JF_START_SET (JF_START | JF_SET) 71#define JF_SET_RESTART (JF_SET | JF_STOP) 72#define JF_START_SET_RESTART (JF_START | JF_SET | JF_STOP) 73#define JF_DO_STOP(js) (((js) & (JF_SET | JF_STOP)) == JF_STOP) 74 75enum intparam { 76 IP_ALLOW_DYING = 1, /* Allow making changes to a dying jail */ 77 IP_COMMAND, /* Command run inside jail at creation */ 78 IP_DEPEND, /* Jail starts after (stops before) another */ 79 IP_EXEC_CLEAN, /* Run commands in a clean environment */ 80 IP_EXEC_CONSOLELOG, /* Redirect optput for commands run in jail */ 81 IP_EXEC_FIB, /* Run jailed commands with this FIB */ 82 IP_EXEC_JAIL_USER, /* Run jailed commands as this user */ 83 IP_EXEC_POSTSTART, /* Commands run outside jail after creating */ 84 IP_EXEC_POSTSTOP, /* Commands run outside jail after removing */ 85 IP_EXEC_PRESTART, /* Commands run outside jail before creating */ 86 IP_EXEC_PRESTOP, /* Commands run outside jail before removing */ 87 IP_EXEC_START, /* Commands run inside jail on creation */ 88 IP_EXEC_STOP, /* Commands run inside jail on removal */ 89 IP_EXEC_SYSTEM_JAIL_USER,/* Get jail_user from system passwd file */ 90 IP_EXEC_SYSTEM_USER, /* Run non-jailed commands as this user */ 91 IP_EXEC_TIMEOUT, /* Time to wait for a command to complete */ 92 IP_INTERFACE, /* Add IP addresses to this interface */ 93 IP_IP_HOSTNAME, /* Get jail IP address(es) from hostname */ 94 IP_MOUNT, /* Mount points in fstab(5) form */ 95 IP_MOUNT_DEVFS, /* Mount /dev under prison root */ 96 IP_MOUNT_DEVFS_RULESET, /* Ruleset for the devfs mount */ 97 IP_MOUNT_FSTAB, /* A standard fstab(5) file */ 98 IP_STOP_TIMEOUT, /* Time to wait after sending SIGTERM */ 99 IP_VNET_INTERFACE, /* Assign interface(s) to vnet jail */ 100 IP__IP4_IFADDR, /* Copy of ip4.addr with interface/netmask */ 101#ifdef INET6 102 IP__IP6_IFADDR, /* Copy of ip6.addr with interface/prefixlen */ 103#endif 104 IP__MOUNT_FROM_FSTAB, /* Line from mount.fstab file */
| 65 66#define JF_OP_MASK (JF_START | JF_SET | JF_STOP) 67#define JF_RESTART (JF_START | JF_STOP) 68#define JF_START_SET (JF_START | JF_SET) 69#define JF_SET_RESTART (JF_SET | JF_STOP) 70#define JF_START_SET_RESTART (JF_START | JF_SET | JF_STOP) 71#define JF_DO_STOP(js) (((js) & (JF_SET | JF_STOP)) == JF_STOP) 72 73enum intparam { 74 IP_ALLOW_DYING = 1, /* Allow making changes to a dying jail */ 75 IP_COMMAND, /* Command run inside jail at creation */ 76 IP_DEPEND, /* Jail starts after (stops before) another */ 77 IP_EXEC_CLEAN, /* Run commands in a clean environment */ 78 IP_EXEC_CONSOLELOG, /* Redirect optput for commands run in jail */ 79 IP_EXEC_FIB, /* Run jailed commands with this FIB */ 80 IP_EXEC_JAIL_USER, /* Run jailed commands as this user */ 81 IP_EXEC_POSTSTART, /* Commands run outside jail after creating */ 82 IP_EXEC_POSTSTOP, /* Commands run outside jail after removing */ 83 IP_EXEC_PRESTART, /* Commands run outside jail before creating */ 84 IP_EXEC_PRESTOP, /* Commands run outside jail before removing */ 85 IP_EXEC_START, /* Commands run inside jail on creation */ 86 IP_EXEC_STOP, /* Commands run inside jail on removal */ 87 IP_EXEC_SYSTEM_JAIL_USER,/* Get jail_user from system passwd file */ 88 IP_EXEC_SYSTEM_USER, /* Run non-jailed commands as this user */ 89 IP_EXEC_TIMEOUT, /* Time to wait for a command to complete */ 90 IP_INTERFACE, /* Add IP addresses to this interface */ 91 IP_IP_HOSTNAME, /* Get jail IP address(es) from hostname */ 92 IP_MOUNT, /* Mount points in fstab(5) form */ 93 IP_MOUNT_DEVFS, /* Mount /dev under prison root */ 94 IP_MOUNT_DEVFS_RULESET, /* Ruleset for the devfs mount */ 95 IP_MOUNT_FSTAB, /* A standard fstab(5) file */ 96 IP_STOP_TIMEOUT, /* Time to wait after sending SIGTERM */ 97 IP_VNET_INTERFACE, /* Assign interface(s) to vnet jail */ 98 IP__IP4_IFADDR, /* Copy of ip4.addr with interface/netmask */ 99#ifdef INET6 100 IP__IP6_IFADDR, /* Copy of ip6.addr with interface/prefixlen */ 101#endif 102 IP__MOUNT_FROM_FSTAB, /* Line from mount.fstab file */
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| 103 IP__OP, /* Placeholder for requested operation */
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105 KP_ALLOW_CHFLAGS, 106 KP_ALLOW_MOUNT, 107 KP_ALLOW_RAW_SOCKETS, 108 KP_ALLOW_SET_HOSTNAME, 109 KP_ALLOW_SOCKET_AF, 110 KP_ALLOW_SYSVIPC, 111 KP_ENFORCE_STATFS, 112 KP_HOST_HOSTNAME, 113 KP_IP4_ADDR, 114#ifdef INET6 115 KP_IP6_ADDR, 116#endif 117 KP_JID, 118 KP_NAME, 119 KP_PATH, 120 KP_PERSIST, 121 KP_SECURELEVEL, 122 KP_VNET, 123 IP_NPARAM 124}; 125 126STAILQ_HEAD(cfvars, cfvar); 127 128struct cfvar { 129 STAILQ_ENTRY(cfvar) tq; 130 char *name; 131 size_t pos; 132}; 133 134TAILQ_HEAD(cfstrings, cfstring); 135 136struct cfstring { 137 TAILQ_ENTRY(cfstring) tq; 138 char *s; 139 size_t len; 140 struct cfvars vars; 141}; 142 143TAILQ_HEAD(cfparams, cfparam); 144 145struct cfparam { 146 TAILQ_ENTRY(cfparam) tq; 147 char *name; 148 struct cfstrings val; 149 unsigned flags; 150 int gen; 151}; 152 153TAILQ_HEAD(cfjails, cfjail); 154STAILQ_HEAD(cfdepends, cfdepend); 155 156struct cfjail { 157 TAILQ_ENTRY(cfjail) tq; 158 char *name; 159 char *comline; 160 struct cfparams params; 161 struct cfdepends dep[2]; 162 struct cfjails *queue; 163 struct cfparam *intparams[IP_NPARAM]; 164 struct cfstring *comstring; 165 struct jailparam *jp; 166 struct timespec timeout;
| 104 KP_ALLOW_CHFLAGS, 105 KP_ALLOW_MOUNT, 106 KP_ALLOW_RAW_SOCKETS, 107 KP_ALLOW_SET_HOSTNAME, 108 KP_ALLOW_SOCKET_AF, 109 KP_ALLOW_SYSVIPC, 110 KP_ENFORCE_STATFS, 111 KP_HOST_HOSTNAME, 112 KP_IP4_ADDR, 113#ifdef INET6 114 KP_IP6_ADDR, 115#endif 116 KP_JID, 117 KP_NAME, 118 KP_PATH, 119 KP_PERSIST, 120 KP_SECURELEVEL, 121 KP_VNET, 122 IP_NPARAM 123}; 124 125STAILQ_HEAD(cfvars, cfvar); 126 127struct cfvar { 128 STAILQ_ENTRY(cfvar) tq; 129 char *name; 130 size_t pos; 131}; 132 133TAILQ_HEAD(cfstrings, cfstring); 134 135struct cfstring { 136 TAILQ_ENTRY(cfstring) tq; 137 char *s; 138 size_t len; 139 struct cfvars vars; 140}; 141 142TAILQ_HEAD(cfparams, cfparam); 143 144struct cfparam { 145 TAILQ_ENTRY(cfparam) tq; 146 char *name; 147 struct cfstrings val; 148 unsigned flags; 149 int gen; 150}; 151 152TAILQ_HEAD(cfjails, cfjail); 153STAILQ_HEAD(cfdepends, cfdepend); 154 155struct cfjail { 156 TAILQ_ENTRY(cfjail) tq; 157 char *name; 158 char *comline; 159 struct cfparams params; 160 struct cfdepends dep[2]; 161 struct cfjails *queue; 162 struct cfparam *intparams[IP_NPARAM]; 163 struct cfstring *comstring; 164 struct jailparam *jp; 165 struct timespec timeout;
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167 enum intparam comparam;
| 166 const enum intparam *comparam;
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168 unsigned flags; 169 int jid; 170 int seq; 171 int pstatus; 172 int ndeps; 173 int njp; 174 int nprocs; 175}; 176 177struct cfdepend { 178 STAILQ_ENTRY(cfdepend) tq[2]; 179 struct cfjail *j[2]; 180 unsigned flags; 181}; 182 183extern void *emalloc(size_t); 184extern void *erealloc(void *, size_t); 185extern char *estrdup(const char *); 186extern void failed(struct cfjail *j); 187extern void jail_note(const struct cfjail *j, const char *fmt, ...); 188extern void jail_warnx(const struct cfjail *j, const char *fmt, ...); 189
| 167 unsigned flags; 168 int jid; 169 int seq; 170 int pstatus; 171 int ndeps; 172 int njp; 173 int nprocs; 174}; 175 176struct cfdepend { 177 STAILQ_ENTRY(cfdepend) tq[2]; 178 struct cfjail *j[2]; 179 unsigned flags; 180}; 181 182extern void *emalloc(size_t); 183extern void *erealloc(void *, size_t); 184extern char *estrdup(const char *); 185extern void failed(struct cfjail *j); 186extern void jail_note(const struct cfjail *j, const char *fmt, ...); 187extern void jail_warnx(const struct cfjail *j, const char *fmt, ...); 188
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190extern int run_command(struct cfjail *j, enum intparam comparam);
| 189extern int next_command(struct cfjail *j);
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191extern int finish_command(struct cfjail *j); 192extern struct cfjail *next_proc(int nonblock); 193 194extern void load_config(void); 195extern struct cfjail *add_jail(void); 196extern void add_param(struct cfjail *j, const struct cfparam *p, 197 enum intparam ipnum, const char *value); 198extern int bool_param(const struct cfparam *p); 199extern int int_param(const struct cfparam *p, int *ip); 200extern const char *string_param(const struct cfparam *p); 201extern int check_intparams(struct cfjail *j); 202extern int import_params(struct cfjail *j); 203extern int equalopts(const char *opt1, const char *opt2); 204extern int wild_jail_name(const char *wname); 205extern int wild_jail_match(const char *jname, const char *wname); 206 207extern void dep_setup(int docf); 208extern int dep_check(struct cfjail *j); 209extern void dep_done(struct cfjail *j, unsigned flags); 210extern void dep_reset(struct cfjail *j); 211extern struct cfjail *next_jail(void); 212extern int start_state(const char *target, unsigned state, int running); 213extern void requeue(struct cfjail *j, struct cfjails *queue); 214 215extern void yyerror(const char *); 216extern int yylex(void); 217extern int yyparse(void); 218 219extern struct cfjails cfjails; 220extern struct cfjails ready; 221extern struct cfjails depend; 222extern const char *cfname; 223extern int paralimit; 224extern int verbose;
| 190extern int finish_command(struct cfjail *j); 191extern struct cfjail *next_proc(int nonblock); 192 193extern void load_config(void); 194extern struct cfjail *add_jail(void); 195extern void add_param(struct cfjail *j, const struct cfparam *p, 196 enum intparam ipnum, const char *value); 197extern int bool_param(const struct cfparam *p); 198extern int int_param(const struct cfparam *p, int *ip); 199extern const char *string_param(const struct cfparam *p); 200extern int check_intparams(struct cfjail *j); 201extern int import_params(struct cfjail *j); 202extern int equalopts(const char *opt1, const char *opt2); 203extern int wild_jail_name(const char *wname); 204extern int wild_jail_match(const char *jname, const char *wname); 205 206extern void dep_setup(int docf); 207extern int dep_check(struct cfjail *j); 208extern void dep_done(struct cfjail *j, unsigned flags); 209extern void dep_reset(struct cfjail *j); 210extern struct cfjail *next_jail(void); 211extern int start_state(const char *target, unsigned state, int running); 212extern void requeue(struct cfjail *j, struct cfjails *queue); 213 214extern void yyerror(const char *); 215extern int yylex(void); 216extern int yyparse(void); 217 218extern struct cfjails cfjails; 219extern struct cfjails ready; 220extern struct cfjails depend; 221extern const char *cfname; 222extern int paralimit; 223extern int verbose;
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