3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 /*
26 * This file contains routines to read/write formatted entries from/to
27 * libipadm data store /etc/ipadm/ipadm.conf. Each entry in the DB is a
28 * series of IPADM_NVPAIR_SEP separated (name, value) pairs, as shown
29 * below:
30 * name=value[;...]
31 *
32 * The 'name' determines how to interpret 'value'. The supported names are:
33 *
34 * IPADM_NVP_IPV6ADDR - value holds local and remote IPv6 addresses and when
35 * converted to nvlist, will contain nvpairs for local and remote
36 * addresses. These nvpairs are of type DATA_TYPE_STRING
37 *
38 * IPADM_NVP_IPV4ADDR - value holds local and remote IPv4 addresses and when
39 * converted to nvlist, will contain nvpairs for local and remote
40 * addresses. These nvpairs are of type DATA_TYPE_STRING
41 *
42 * IPADM_NVP_INTFID - value holds token, prefixlen, stateless and stateful
43 * info and when converted to nvlist, will contain following nvpairs
44 * interface_id: DATA_TYPE_UINT8_ARRAY
45 * prefixlen: DATA_TYPE_UINT32
46 * stateless: DATA_TYPE_STRING
47 * stateful: DATA_TYPE_STRING
48 *
49 * IPADM_NVP_DHCP - value holds wait time and primary info and when converted
50 * to nvlist, will contain following nvpairs
51 * wait: DATA_TYPE_INT32
52 * primary: DATA_TYPE_BOOLEAN
53 *
54 * default - value is a single entity and when converted to nvlist, will
55 * contain nvpair of type DATA_TYPE_STRING. nvpairs private to
56 * ipadm are of this type. Further the property name and property
57 * values are stored as nvpairs of this type.
58 *
59 * The syntax for each line is described above the respective functions below.
60 */
61
62 #include <stdlib.h>
63 #include <strings.h>
64 #include <errno.h>
65 #include <ctype.h>
66 #include <sys/types.h>
67 #include <sys/stat.h>
68 #include <sys/dld.h>
69 #include <fcntl.h>
70 #include <dirent.h>
71 #include <unistd.h>
72 #include <assert.h>
73 #include <sys/socket.h>
81 #define IPADM_NAME_SEP ","
82
83 static char ipadm_rootdir[MAXPATHLEN] = "/";
84
85 static int ipadm_process_db_line(db_wfunc_t *, void *, FILE *fp, FILE *nfp,
86 ipadm_db_op_t);
87
88 /*
89 * convert nvpair to a "name=value" string for writing to the DB.
90 */
91 typedef size_t ipadm_wfunc_t(nvpair_t *, char *, size_t);
92
93 /*
94 * ipadm_rfunc_t takes (`name', `value') and adds the appropriately typed
95 * nvpair to the nvlist.
96 */
97 typedef void ipadm_rfunc_t(nvlist_t *, char *name, char *value);
98
99 static ipadm_rfunc_t i_ipadm_str_dbline2nvl, i_ipadm_ip4_dbline2nvl,
100 i_ipadm_ip6_dbline2nvl, i_ipadm_intfid_dbline2nvl,
101 i_ipadm_dhcp_dbline2nvl;
102
103 static ipadm_wfunc_t i_ipadm_str_nvp2dbline, i_ipadm_ip4_nvp2dbline,
104 i_ipadm_ip6_nvp2dbline, i_ipadm_intfid_nvp2dbline,
105 i_ipadm_dhcp_nvp2dbline;
106
107 /*
108 * table of function pointers to read/write formatted entries from/to
109 * ipadm.conf.
110 */
111 typedef struct ipadm_conf_ent_s {
112 const char *ipent_type_name;
113 ipadm_wfunc_t *ipent_wfunc;
114 ipadm_rfunc_t *ipent_rfunc;
115 } ipadm_conf_ent_t;
116
117 static ipadm_conf_ent_t ipadm_conf_ent[] = {
118 { IPADM_NVP_IPV6ADDR, i_ipadm_ip6_nvp2dbline, i_ipadm_ip6_dbline2nvl },
119 { IPADM_NVP_IPV4ADDR, i_ipadm_ip4_nvp2dbline, i_ipadm_ip4_dbline2nvl },
120 { IPADM_NVP_INTFID, i_ipadm_intfid_nvp2dbline,
121 i_ipadm_intfid_dbline2nvl },
122 { IPADM_NVP_DHCP, i_ipadm_dhcp_nvp2dbline, i_ipadm_dhcp_dbline2nvl },
123 { NULL, i_ipadm_str_nvp2dbline, i_ipadm_str_dbline2nvl }
124 };
125
126 static ipadm_conf_ent_t *
127 i_ipadm_find_conf_type(const char *type)
128 {
129 int i;
130
131 for (i = 0; ipadm_conf_ent[i].ipent_type_name != NULL; i++)
132 if (strcmp(type, ipadm_conf_ent[i].ipent_type_name) == 0)
133 break;
134 return (&ipadm_conf_ent[i]);
135 }
136
137 /*
138 * Extracts the hostnames IPADM_NVP_IPADDRHNAME and IPADM_NVP_IPDADDRHNAME from
139 * the given nvlist `nvl' and adds the strings to `buf'.
140 */
141 size_t
142 i_ipadm_ip_addhostname2dbline(nvlist_t *nvl, char *buf, size_t buflen)
598 static void
599 i_ipadm_dhcp_dbline2nvl(nvlist_t *nvl, char *name, char *value)
600 {
601 char *cp;
602 char *endp;
603 long wait_time;
604 boolean_t primary;
605
606 assert(strcmp(name, IPADM_NVP_DHCP) == 0 && value != NULL);
607 cp = strchr(value, ',');
608 assert(cp != NULL);
609 *cp++ = '\0';
610 errno = 0;
611 wait_time = strtol(value, &endp, 10);
612 if (*endp != '\0' || errno != 0)
613 return;
614 primary = (strcmp(cp, "yes") == 0);
615 (void) i_ipadm_add_dhcp2nvl(nvl, primary, (int32_t)wait_time);
616 }
617
618 /*
619 * Parses the buffer, for name-value pairs and creates nvlist. The value
620 * is always considered to be a string.
621 */
622 int
623 ipadm_str2nvlist(const char *inbuf, nvlist_t **ipnvl, uint_t flags)
624 {
625 char *nv, *name, *val, *buf, *cp, *sep;
626 int err;
627
628 if (inbuf == NULL || inbuf[0] == '\0' || ipnvl == NULL)
629 return (EINVAL);
630 *ipnvl = NULL;
631
632 /*
633 * If IPADM_NORVAL is set, then `inbuf' should be comma delimited values
634 */
635 if ((flags & IPADM_NORVAL) && strchr(inbuf, '=') != NULL)
636 return (EINVAL);
637
|
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
24 */
25
26 /*
27 * This file contains routines to read/write formatted entries from/to
28 * libipadm data store /etc/ipadm/ipadm.conf. Each entry in the DB is a
29 * series of IPADM_NVPAIR_SEP separated (name, value) pairs, as shown
30 * below:
31 * name=value[;...]
32 *
33 * The 'name' determines how to interpret 'value'. The supported names are:
34 *
35 * IPADM_NVP_IPV6ADDR - value holds local and remote IPv6 addresses and when
36 * converted to nvlist, will contain nvpairs for local and remote
37 * addresses. These nvpairs are of type DATA_TYPE_STRING
38 *
39 * IPADM_NVP_IPV4ADDR - value holds local and remote IPv4 addresses and when
40 * converted to nvlist, will contain nvpairs for local and remote
41 * addresses. These nvpairs are of type DATA_TYPE_STRING
42 *
43 * IPADM_NVP_INTFID - value holds token, prefixlen, stateless and stateful
44 * info and when converted to nvlist, will contain following nvpairs
45 * interface_id: DATA_TYPE_UINT8_ARRAY
46 * prefixlen: DATA_TYPE_UINT32
47 * stateless: DATA_TYPE_STRING
48 * stateful: DATA_TYPE_STRING
49 *
50 * IPADM_NVP_DHCP - value holds wait time and primary info and when converted
51 * to nvlist, will contain following nvpairs
52 * wait: DATA_TYPE_INT32
53 * primary: DATA_TYPE_BOOLEAN
54 *
55 * IPADM_NVP_FAMILIES - value holds interface families and when converted
56 * to nvlist, will be a DATA_TYPE_UINT16_ARRAY
57 *
58 * IPADM_NVP_MIFNAMES - value holds IPMP group members and when converted
59 * to nvlist, will be a DATA_TYPE_STRING_ARRAY
60 *
61 * default - value is a single entity and when converted to nvlist, will
62 * contain nvpair of type DATA_TYPE_STRING. nvpairs private to
63 * ipadm are of this type. Further the property name and property
64 * values are stored as nvpairs of this type.
65 *
66 * The syntax for each line is described above the respective functions below.
67 */
68
69 #include <stdlib.h>
70 #include <strings.h>
71 #include <errno.h>
72 #include <ctype.h>
73 #include <sys/types.h>
74 #include <sys/stat.h>
75 #include <sys/dld.h>
76 #include <fcntl.h>
77 #include <dirent.h>
78 #include <unistd.h>
79 #include <assert.h>
80 #include <sys/socket.h>
88 #define IPADM_NAME_SEP ","
89
90 static char ipadm_rootdir[MAXPATHLEN] = "/";
91
92 static int ipadm_process_db_line(db_wfunc_t *, void *, FILE *fp, FILE *nfp,
93 ipadm_db_op_t);
94
95 /*
96 * convert nvpair to a "name=value" string for writing to the DB.
97 */
98 typedef size_t ipadm_wfunc_t(nvpair_t *, char *, size_t);
99
100 /*
101 * ipadm_rfunc_t takes (`name', `value') and adds the appropriately typed
102 * nvpair to the nvlist.
103 */
104 typedef void ipadm_rfunc_t(nvlist_t *, char *name, char *value);
105
106 static ipadm_rfunc_t i_ipadm_str_dbline2nvl, i_ipadm_ip4_dbline2nvl,
107 i_ipadm_ip6_dbline2nvl, i_ipadm_intfid_dbline2nvl,
108 i_ipadm_dhcp_dbline2nvl, i_ipadm_families_dbline2nvl,
109 i_ipadm_groupmembers_dbline2nvl;
110
111 static ipadm_wfunc_t i_ipadm_str_nvp2dbline, i_ipadm_ip4_nvp2dbline,
112 i_ipadm_ip6_nvp2dbline, i_ipadm_intfid_nvp2dbline,
113 i_ipadm_dhcp_nvp2dbline, i_ipadm_families_nvp2dbline,
114 i_ipadm_groupmembers_nvp2dbline;
115
116 /*
117 * table of function pointers to read/write formatted entries from/to
118 * ipadm.conf.
119 */
120 typedef struct ipadm_conf_ent_s {
121 const char *ipent_type_name;
122 ipadm_wfunc_t *ipent_wfunc;
123 ipadm_rfunc_t *ipent_rfunc;
124 } ipadm_conf_ent_t;
125
126 static ipadm_conf_ent_t ipadm_conf_ent[] = {
127 { IPADM_NVP_IPV6ADDR, i_ipadm_ip6_nvp2dbline, i_ipadm_ip6_dbline2nvl },
128 { IPADM_NVP_IPV4ADDR, i_ipadm_ip4_nvp2dbline, i_ipadm_ip4_dbline2nvl },
129 { IPADM_NVP_INTFID, i_ipadm_intfid_nvp2dbline,
130 i_ipadm_intfid_dbline2nvl },
131 { IPADM_NVP_DHCP, i_ipadm_dhcp_nvp2dbline, i_ipadm_dhcp_dbline2nvl },
132 { IPADM_NVP_FAMILIES, i_ipadm_families_nvp2dbline,
133 i_ipadm_families_dbline2nvl },
134 { IPADM_NVP_MIFNAMES, i_ipadm_groupmembers_nvp2dbline,
135 i_ipadm_groupmembers_dbline2nvl},
136 { NULL, i_ipadm_str_nvp2dbline, i_ipadm_str_dbline2nvl }
137 };
138
139 static ipadm_conf_ent_t *
140 i_ipadm_find_conf_type(const char *type)
141 {
142 int i;
143
144 for (i = 0; ipadm_conf_ent[i].ipent_type_name != NULL; i++)
145 if (strcmp(type, ipadm_conf_ent[i].ipent_type_name) == 0)
146 break;
147 return (&ipadm_conf_ent[i]);
148 }
149
150 /*
151 * Extracts the hostnames IPADM_NVP_IPADDRHNAME and IPADM_NVP_IPDADDRHNAME from
152 * the given nvlist `nvl' and adds the strings to `buf'.
153 */
154 size_t
155 i_ipadm_ip_addhostname2dbline(nvlist_t *nvl, char *buf, size_t buflen)
611 static void
612 i_ipadm_dhcp_dbline2nvl(nvlist_t *nvl, char *name, char *value)
613 {
614 char *cp;
615 char *endp;
616 long wait_time;
617 boolean_t primary;
618
619 assert(strcmp(name, IPADM_NVP_DHCP) == 0 && value != NULL);
620 cp = strchr(value, ',');
621 assert(cp != NULL);
622 *cp++ = '\0';
623 errno = 0;
624 wait_time = strtol(value, &endp, 10);
625 if (*endp != '\0' || errno != 0)
626 return;
627 primary = (strcmp(cp, "yes") == 0);
628 (void) i_ipadm_add_dhcp2nvl(nvl, primary, (int32_t)wait_time);
629 }
630
631 /*
632 * Input 'nvp': name = IPADM_NVP_FAMILIES and value = array of 'uint16_t'
633 *
634 *
635 */
636 static size_t
637 i_ipadm_families_nvp2dbline(nvpair_t *nvp, char *buf, size_t buflen)
638 {
639 uint_t nelem = 0;
640 uint16_t *elem;
641
642 assert(nvpair_type(nvp) == DATA_TYPE_UINT16_ARRAY);
643
644 if (nvpair_value_uint16_array(nvp,
645 &elem, &nelem) != 0) {
646 buf[0] = '\0';
647 return (0);
648 }
649
650 assert(nelem != 0 || nelem > 2);
651
652 if (nelem == 1) {
653 return (snprintf(buf, buflen, "%s=%d",
654 nvpair_name(nvp), elem[0]));
655 } else {
656 return (snprintf(buf, buflen, "%s=%d,%d",
657 nvpair_name(nvp), elem[0], elem[1]));
658 }
659 }
660
661 /*
662 * name = IPADM_NVP_FAMILIES and value = <FAMILY>[,FAMILY]
663 *
664 * output nvp: name = IPADM_NVP_FAMILIES and value = array of 'uint16_t'
665 *
666 */
667 static void
668 i_ipadm_families_dbline2nvl(nvlist_t *nvl, char *name, char *value)
669 {
670 uint16_t families[2];
671 uint_t nelem = 0;
672 char *val, *lasts;
673
674 if ((val = strtok_r(value,
675 ",", &lasts)) != NULL) {
676 families[0] = atoi(val);
677 nelem++;
678 if ((val = strtok_r(NULL,
679 ",", &lasts)) != NULL) {
680 families[1] = atoi(val);
681 nelem++;
682 }
683 nvlist_add_uint16_array(nvl,
684 IPADM_NVP_FAMILIES, families, nelem);
685 }
686 }
687
688 /*
689 * input nvp: name = IPADM_NVP_MIFNAMES and value = array of 'char *'
690 *
691 *
692 */
693 static size_t
694 i_ipadm_groupmembers_nvp2dbline(nvpair_t *nvp, char *buf, size_t buflen)
695 {
696 uint_t nelem = 0;
697 char **elem;
698 size_t n;
699
700 assert(nvpair_type(nvp) == DATA_TYPE_STRING_ARRAY);
701
702 if (nvpair_value_string_array(nvp,
703 &elem, &nelem) != 0) {
704 buf[0] = '\0';
705 return (0);
706 }
707
708 assert(nelem != 0);
709
710 n = snprintf(buf, buflen, "%s=", IPADM_NVP_MIFNAMES);
711 if (n >= buflen)
712 return (n);
713
714 while (nelem--) {
715 n = strlcat(buf, elem[nelem], buflen);
716 if (nelem > 0)
717 n = strlcat(buf, ",", buflen);
718
719 if (n > buflen)
720 return (n);
721 }
722
723 return (n);
724 }
725
726 /*
727 * name = IPADM_NVP_MIFNAMES and value = <if_name>[,if_name]
728 *
729 * output nvp: name = IPADM_NVP_MIFNAMES and value = array of 'char *'
730 */
731 static void
732 i_ipadm_groupmembers_dbline2nvl(nvlist_t *nvl, char *name, char *value)
733 {
734 char *members[256];
735 char *member;
736 char *val, *lasts;
737 uint_t m_cnt = 0;
738
739 assert(strcmp(name, IPADM_NVP_MIFNAMES) == 0 && value != NULL);
740
741 if ((val = strtok_r(value, ",", &lasts)) != NULL) {
742 if ((member = calloc(1, LIFNAMSIZ)) == NULL)
743 return;
744
745 strlcpy(member, val, LIFNAMSIZ);
746 members[m_cnt++] = member;
747
748 while ((val = strtok_r(NULL, ",", &lasts)) != NULL) {
749 if ((member = calloc(1, LIFNAMSIZ)) == NULL)
750 goto fail;
751
752 strlcpy(member, val, LIFNAMSIZ);
753 members[m_cnt++] = member;
754 }
755
756 nvlist_add_string_array(nvl, IPADM_NVP_MIFNAMES,
757 members, m_cnt);
758 }
759
760 fail:
761 while (m_cnt--) {
762 free(members[m_cnt]);
763 }
764 }
765
766 /*
767 * Parses the buffer, for name-value pairs and creates nvlist. The value
768 * is always considered to be a string.
769 */
770 int
771 ipadm_str2nvlist(const char *inbuf, nvlist_t **ipnvl, uint_t flags)
772 {
773 char *nv, *name, *val, *buf, *cp, *sep;
774 int err;
775
776 if (inbuf == NULL || inbuf[0] == '\0' || ipnvl == NULL)
777 return (EINVAL);
778 *ipnvl = NULL;
779
780 /*
781 * If IPADM_NORVAL is set, then `inbuf' should be comma delimited values
782 */
783 if ((flags & IPADM_NORVAL) && strchr(inbuf, '=') != NULL)
784 return (EINVAL);
785
|