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-rw-r--r--src/include/common.h115
-rw-r--r--src/include/libnetlink.h163
-rw-r--r--src/include/pid.h58
3 files changed, 336 insertions, 0 deletions
diff --git a/src/include/common.h b/src/include/common.h
new file mode 100644
index 000000000..7ce1e9290
--- /dev/null
+++ b/src/include/common.h
@@ -0,0 +1,115 @@
1/*
2 * Copyright (C) 2014, 2015 netblue30 (netblue30@yahoo.com)
3 *
4 * This file is part of firejail project
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19*/
20
21#ifndef COMMON_H
22#define COMMON_H
23#define _GNU_SOURCE
24#include <stdio.h>
25#include <sys/types.h>
26#include <unistd.h>
27#include <stdlib.h>
28#include <stdint.h>
29#include <stddef.h>
30#include <string.h>
31#include <ctype.h>
32#include <assert.h>
33
34#define errExit(msg) do { char msgout[500]; sprintf(msgout, "Error %s:%s(%d)", msg, __FUNCTION__, __LINE__); perror(msgout); exit(1);} while (0)
35
36// macro to print ip addresses in a printf statement
37#define PRINT_IP(A) \
38((int) (((A) >> 24) & 0xFF)), ((int) (((A) >> 16) & 0xFF)), ((int) (((A) >> 8) & 0xFF)), ((int) ( (A) & 0xFF))
39
40// macro to print a mac addresses in a printf statement
41#define PRINT_MAC(A) \
42((unsigned) (*(A)) & 0xff), ((unsigned) (*((A) + 1) & 0xff)), ((unsigned) (*((A) + 2) & 0xff)), \
43((unsigned) (*((A) + 3)) & 0xff), ((unsigned) (*((A) + 4) & 0xff)), ((unsigned) (*((A) + 5)) & 0xff)
44
45// the number of bits in a network mask
46static inline uint8_t mask2bits(uint32_t mask) {
47 uint32_t tmp = 0x80000000;
48 int i;
49 uint8_t rv = 0;
50
51 for (i = 0; i < 32; i++, tmp >>= 1) {
52 if (tmp & mask)
53 rv++;
54 else
55 break;
56 }
57 return rv;
58}
59
60// read an IPv4 address and convert it to uint32_t
61static inline int atoip(const char *str, uint32_t *ip) {
62 unsigned a, b, c, d;
63
64 if (sscanf(str, "%u.%u.%u.%u", &a, &b, &c, &d) != 4 || a > 255 || b > 255 || c > 255 || d > 255)
65 return 1;
66
67 *ip = a * 0x1000000 + b * 0x10000 + c * 0x100 + d;
68 return 0;
69}
70
71// verify an ip address is in the network range given by ifip and mask
72static inline char *in_netrange(uint32_t ip, uint32_t ifip, uint32_t ifmask) {
73 if ((ip & ifmask) != (ifip & ifmask))
74 return "Error: the IP address is not in the interface range\n";
75 else if ((ip & ifmask) == ip)
76 return "Error: the IP address is a network address\n";
77 else if ((ip | ~ifmask) == ip)
78 return "Error: the IP address is a network address\n";
79 return NULL;
80}
81
82// read a mac address
83static inline int atomac(char *str, unsigned char macAddr[6]) {
84 unsigned mac[6];
85
86 if (sscanf(str, "%2x:%2x:%2x:%2x:%2x:%2x", &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]) != 6)
87 return 1;
88
89 int i;
90 for (i = 0; i < 6; i++) {
91 if (mac[i] > 0xff)
92 return 1;
93
94 macAddr[i] = (unsigned char) mac[i];
95 }
96
97 return 0;
98}
99
100// check a mac address is configured
101static inline int mac_not_zero(const unsigned char mac[6]) {
102 int i;
103 for (i = 0; i < 6; i++) {
104 if (mac[i] != 0)
105 return 1;
106 }
107
108 return 0;
109}
110
111int join_namespace(pid_t pid, char *type);
112int name2pid(const char *name, pid_t *pid);
113char *pid_proc_comm(const pid_t pid);
114char *pid_proc_cmdline(const pid_t pid);
115#endif
diff --git a/src/include/libnetlink.h b/src/include/libnetlink.h
new file mode 100644
index 000000000..e9cd6b186
--- /dev/null
+++ b/src/include/libnetlink.h
@@ -0,0 +1,163 @@
1/* file extracted from iproute2 software package
2 *
3 * Original source code:
4 *
5 * Information:
6 * http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2
7 *
8 * Download:
9 * http://www.kernel.org/pub/linux/utils/net/iproute2/
10 *
11 * Repository:
12 * git://git.kernel.org/pub/scm/linux/kernel/git/shemminger/iproute2.git
13 *
14 * License: GPL v2
15 */
16
17
18#ifndef __LIBNETLINK_H__
19#define __LIBNETLINK_H__ 1
20
21#define _GNU_SOURCE
22#include <stdio.h>
23#include <stdlib.h>
24#include <stdint.h>
25#include <string.h>
26#include <asm/types.h>
27#include <linux/netlink.h>
28#include <linux/rtnetlink.h>
29#include <linux/if_link.h>
30#include <linux/if_addr.h>
31#include <linux/neighbour.h>
32
33struct rtnl_handle
34{
35 int fd;
36 struct sockaddr_nl local;
37 struct sockaddr_nl peer;
38 __u32 seq;
39 __u32 dump;
40};
41
42extern int rcvbuf;
43
44extern int rtnl_open(struct rtnl_handle *rth, unsigned subscriptions);
45extern int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions, int protocol);
46extern void rtnl_close(struct rtnl_handle *rth);
47extern int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type);
48extern int rtnl_wilddump_req_filter(struct rtnl_handle *rth, int fam, int type,
49 __u32 filt_mask);
50extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len);
51
52typedef int (*rtnl_filter_t)(const struct sockaddr_nl *,
53 struct nlmsghdr *n, void *);
54
55struct rtnl_dump_filter_arg
56{
57 rtnl_filter_t filter;
58 void *arg1;
59};
60
61extern int rtnl_dump_filter_l(struct rtnl_handle *rth,
62 const struct rtnl_dump_filter_arg *arg);
63extern int rtnl_dump_filter(struct rtnl_handle *rth, rtnl_filter_t filter,
64 void *arg);
65extern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer,
66 unsigned groups, struct nlmsghdr *answer);
67extern int rtnl_send(struct rtnl_handle *rth, const void *buf, int);
68extern int rtnl_send_check(struct rtnl_handle *rth, const void *buf, int);
69
70extern int addattr(struct nlmsghdr *n, int maxlen, int type);
71extern int addattr8(struct nlmsghdr *n, int maxlen, int type, __u8 data);
72extern int addattr16(struct nlmsghdr *n, int maxlen, int type, __u16 data);
73extern int addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data);
74extern int addattr64(struct nlmsghdr *n, int maxlen, int type, __u64 data);
75extern int addattrstrz(struct nlmsghdr *n, int maxlen, int type, const char *data);
76
77extern int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data, int alen);
78extern int addraw_l(struct nlmsghdr *n, int maxlen, const void *data, int len);
79extern struct rtattr *addattr_nest(struct nlmsghdr *n, int maxlen, int type);
80extern int addattr_nest_end(struct nlmsghdr *n, struct rtattr *nest);
81extern struct rtattr *addattr_nest_compat(struct nlmsghdr *n, int maxlen, int type, const void *data, int len);
82extern int addattr_nest_compat_end(struct nlmsghdr *n, struct rtattr *nest);
83extern int rta_addattr32(struct rtattr *rta, int maxlen, int type, __u32 data);
84extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, const void *data, int alen);
85
86extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
87extern int parse_rtattr_flags(struct rtattr *tb[], int max, struct rtattr *rta,
88 int len, unsigned short flags);
89extern int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len);
90extern int __parse_rtattr_nested_compat(struct rtattr *tb[], int max, struct rtattr *rta, int len);
91
92#define parse_rtattr_nested(tb, max, rta) \
93 (parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta)))
94
95#define parse_rtattr_nested_compat(tb, max, rta, data, len) \
96 ({ data = RTA_PAYLOAD(rta) >= len ? RTA_DATA(rta) : NULL; \
97 __parse_rtattr_nested_compat(tb, max, rta, len); })
98
99static inline __u8 rta_getattr_u8(const struct rtattr *rta)
100{
101 return *(__u8 *)RTA_DATA(rta);
102}
103static inline __u16 rta_getattr_u16(const struct rtattr *rta)
104{
105 return *(__u16 *)RTA_DATA(rta);
106}
107static inline __u32 rta_getattr_u32(const struct rtattr *rta)
108{
109 return *(__u32 *)RTA_DATA(rta);
110}
111static inline __u64 rta_getattr_u64(const struct rtattr *rta)
112{
113 __u64 tmp;
114 memcpy(&tmp, RTA_DATA(rta), sizeof(__u64));
115 return tmp;
116}
117static inline const char *rta_getattr_str(const struct rtattr *rta)
118{
119 return (const char *)RTA_DATA(rta);
120}
121
122extern int rtnl_listen(struct rtnl_handle *, rtnl_filter_t handler,
123 void *jarg);
124extern int rtnl_from_file(FILE *, rtnl_filter_t handler,
125 void *jarg);
126
127#define NLMSG_TAIL(nmsg) \
128 ((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len)))
129
130#ifndef IFA_RTA
131#define IFA_RTA(r) \
132 ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))
133#endif
134#ifndef IFA_PAYLOAD
135#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg))
136#endif
137
138#ifndef IFLA_RTA
139#define IFLA_RTA(r) \
140 ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg))))
141#endif
142#ifndef IFLA_PAYLOAD
143#define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg))
144#endif
145
146#ifndef NDA_RTA
147#define NDA_RTA(r) \
148 ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndmsg))))
149#endif
150#ifndef NDA_PAYLOAD
151#define NDA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndmsg))
152#endif
153
154#ifndef NDTA_RTA
155#define NDTA_RTA(r) \
156 ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndtmsg))))
157#endif
158#ifndef NDTA_PAYLOAD
159#define NDTA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndtmsg))
160#endif
161
162#endif /* __LIBNETLINK_H__ */
163
diff --git a/src/include/pid.h b/src/include/pid.h
new file mode 100644
index 000000000..aaadaa542
--- /dev/null
+++ b/src/include/pid.h
@@ -0,0 +1,58 @@
1/*
2 * Copyright (C) 2014, 2015 netblue30 (netblue30@yahoo.com)
3 *
4 * This file is part of firejail project
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19*/
20#ifndef PID_H
21#define PID_H
22extern int max_pids;
23
24
25#define _GNU_SOURCE
26#include <stdio.h>
27#include <sys/types.h>
28#include <unistd.h>
29typedef struct {
30 short level; // -1 not a firejail process, 0 not investigated yet, 1 firejail process, > 1 firejail child
31 unsigned char zombie;
32 pid_t parent;
33 uid_t uid;
34 char *user;
35 char *cmd;
36 unsigned utime;
37 unsigned stime;
38 unsigned long long rx; // network rx, bytes
39 unsigned long long tx; // networking tx, bytes
40 unsigned rx_delta;
41 unsigned tx_delta;
42} Process;
43//extern Process pids[max_pids];
44extern Process *pids;
45
46// pid functions
47void pid_getmem(unsigned pid, unsigned *rss, unsigned *shared);
48void pid_get_cpu_time(unsigned pid, unsigned *utime, unsigned *stime);
49unsigned long long pid_get_start_time(unsigned pid);
50uid_t pid_get_uid(pid_t pid);
51char *pid_get_user_name(uid_t uid);
52// print functions
53void pid_print_tree(unsigned index, unsigned parent, int nowrap);
54void pid_print_list(unsigned index, int nowrap);
55void pid_store_cpu(unsigned index, unsigned parent, unsigned *utime, unsigned *stime);
56void pid_read(pid_t mon_pid);
57
58#endif
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-03 18:40:07 +0000