1:
2: /*
3: * ppp.h
4: *
5: * Written by Archie Cobbs <archie@freebsd.org>
6: * Copyright (c) 1995-1999 Whistle Communications, Inc. All rights reserved.
7: * See ``COPYRIGHT.whistle''
8: */
9:
10: #ifndef _PPP_H_
11: #define _PPP_H_
12:
13: /* Keep source files simple */
14:
15: #include <sys/types.h>
16: #include <sys/param.h>
17: #include <sys/socket.h>
18: #include <sys/ioctl.h>
19: #include <poll.h>
20: #include <sys/time.h>
21: #include <sys/uio.h>
22: #include <sys/queue.h>
23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <limits.h>
26: #include <stddef.h>
27: #include <stdarg.h>
28: #include <string.h>
29: #include <signal.h>
30: #include <ctype.h>
31: #include <unistd.h>
32: #include <errno.h>
33: #include <err.h>
34: #include <netdb.h>
35: #include <fcntl.h>
36: #include <machine/endian.h>
37: #include <net/ppp_defs.h>
38: #include <netinet/in.h>
39: #include <arpa/inet.h>
40:
41: #include <pthread.h>
42: #ifdef NOLIBPDEL
43: #include "contrib/libpdel/structs/structs.h"
44: #include "contrib/libpdel/structs/type/array.h"
45: #include "contrib/libpdel/util/typed_mem.h"
46: #include "contrib/libpdel/util/pevent.h"
47: #include "contrib/libpdel/util/paction.h"
48: #include "contrib/libpdel/util/ghash.h"
49: #else
50: #include <pdel/structs/structs.h>
51: #include <pdel/structs/type/array.h>
52: #include <pdel/util/typed_mem.h>
53: #include <pdel/util/pevent.h>
54: #include <pdel/util/paction.h>
55: #include <pdel/util/ghash.h>
56: #endif
57:
58: #include <netgraph/ng_message.h>
59: #include <netgraph/ng_ppp.h>
60:
61: #include "defs.h"
62: #include "msg.h"
63:
64: /*
65: * DEFINITIONS
66: */
67:
68: /* Do our own version of assert() so it shows up in the logs */
69: #define assert(e) ((e) ? (void)0 : DoAssert(__FILE__, __LINE__, #e))
70:
71: #ifdef __clang__
72:
73: #ifndef THREAD_ANNOTATION_ATTRIBUTE__
74: #define THREAD_ANNOTATION_ATTRIBUTE__(x) __attribute__((x))
75: #else
76: #define THREAD_ANNOTATION_ATTRIBUTE__(x)
77: #endif
78:
79: #ifndef NO_THREAD_SAFETY_ANALYSIS
80: #define NO_THREAD_SAFETY_ANALYSIS \
81: THREAD_ANNOTATION_ATTRIBUTE__(no_thread_safety_analysis)
82: #else
83: #define NO_THREAD_SAFETY_ANALYSIS
84: #endif
85:
86: #endif /* __clang__ */
87:
88: /* Giant Mutex handling */
89: #define GIANT_MUTEX_LOCK() assert(pthread_mutex_lock(&gGiantMutex) == 0)
90: #define GIANT_MUTEX_UNLOCK() assert(pthread_mutex_unlock(&gGiantMutex) == 0)
91:
92: #define MUTEX_LOCK(m) assert(pthread_mutex_lock(&m) == 0)
93: #define MUTEX_UNLOCK(m) assert(pthread_mutex_unlock(&m) == 0)
94:
95: #define RWLOCK_RDLOCK(m) assert(pthread_rwlock_rdlock(&m) == 0)
96: #define RWLOCK_WRLOCK(m) assert(pthread_rwlock_wrlock(&m) == 0)
97: #define RWLOCK_UNLOCK(m) assert(pthread_rwlock_unlock(&m) == 0)
98:
99: #define SETOVERLOAD(q) \
100: do { \
101: int t = (q); \
102: if (t > gQThresMax) { \
103: gOverload = 100; \
104: } else if (t > gQThresMin) { \
105: gOverload = (t - gQThresMin) * 100/gQThresDiff; \
106: } else { \
107: gOverload = 0; \
108: } \
109: } while (0)
110:
111: #define OVERLOAD() (gOverload > (random() % 100))
112:
113: #define REF(p) do { \
114: (p)->refs++; \
115: } while (0)
116:
117: #define UNREF(p) do { \
118: if ((--(p)->refs) == 0) \
119: Freee(p); \
120: } while (0)
121:
122: #define RESETREF(v, p) do { \
123: if (v) UNREF(v); \
124: (v) = (p); \
125: if (v) REF(v); \
126: } while (0)
127:
128: #define ADLG_WAN_AUTHORIZATION_FAILURE 0
129: #define ADLG_WAN_CONNECTED 1
130: #define ADLG_WAN_CONNECTING 2
131: #define ADLG_WAN_CONNECT_FAILURE 3
132: #define ADLG_WAN_DISABLED 4
133: #define ADLG_WAN_MESSAGE 5
134: #define ADLG_WAN_NEGOTIATION_FAILURE 6
135: #define ADLG_WAN_WAIT_FOR_DEMAND 7
136:
137: #ifndef NG_PPP_STATS64
138: /* internal 64 bit counters as workaround for the 32 bit
139: * limitation for ng_ppp_link_stat
140: */
141: struct ng_ppp_link_stat64 {
142: u_int64_t xmitFrames; /* xmit frames on link */
143: u_int64_t xmitOctets; /* xmit octets on link */
144: u_int64_t recvFrames; /* recv frames on link */
145: u_int64_t recvOctets; /* recv octets on link */
146: u_int64_t badProtos; /* frames rec'd with bogus protocol */
147: u_int64_t runts; /* Too short MP fragments */
148: u_int64_t dupFragments; /* MP frames with duplicate seq # */
149: u_int64_t dropFragments; /* MP fragments we had to drop */
150: };
151: #endif
152:
153: #if defined(USE_NG_BPF) || defined(USE_IPFW)
154: /* max. length of acl rule */
155: #define ACL_LEN 256
156: #define ACL_NAME_LEN 16
157: /* max. number of acl_filters */
158: #define ACL_FILTERS 16
159: /* There are two directions for acl_limits */
160: #define ACL_DIRS 2
161: #endif
162:
163: #ifdef USE_NG_BPF
164: struct svcssrc {
165: int type;
166: #define SSSS_IN 1
167: #define SSSS_MATCH 2
168: #define SSSS_NOMATCH 3
169: #define SSSS_OUT 4
170: char hook[NG_HOOKSIZ];
171: SLIST_ENTRY(svcssrc) next;
172: };
173:
174: struct svcs {
175: char name[ACL_NAME_LEN]; /* Name of ACL */
176: SLIST_HEAD(, svcssrc) src;
177: SLIST_ENTRY(svcs) next;
178: };
179:
180: struct svcstatrec {
181: char name[ACL_NAME_LEN]; /* Name of ACL */
182: u_int64_t Packets;
183: u_int64_t Octets;
184: SLIST_ENTRY(svcstatrec) next;
185: };
186:
187: struct svcstat {
188: SLIST_HEAD(, svcstatrec) stat[ACL_DIRS];
189: };
190: #endif /* USE_NG_BPF */
191:
192: #include "bund.h"
193: #include "link.h"
194: #include "rep.h"
195: #include "phys.h"
196: #include "msgdef.h"
197:
198: /*
199: * VARIABLES
200: */
201:
202: extern Rep *gReps; /* Repeaters */
203: extern Link *gLinks; /* Links */
204: extern Bund *gBundles; /* Bundles */
205:
206: extern int gNumReps; /* Total number of repeaters */
207: extern int gNumLinks; /* Total number of links */
208: extern int gNumBundles; /* Total number of bundles */
209: extern struct console gConsole;
210: extern struct web gWeb;
211: extern struct radsrv gRadsrv;
212: extern int gBackground;
213: extern int gShutdownInProgress;
214: extern int gOverload;
215: extern pid_t gPid;
216: extern int gRouteSeq;
217:
218: #ifdef PHYSTYPE_PPTP
219: extern int gPPTPto;
220: extern unsigned gPPTPtunlimit;
221: #endif
222: #ifdef PHYSTYPE_L2TP
223: extern int gL2TPto;
224: extern unsigned gL2TPtunlimit;
225: #endif
226: extern int gChildren;
227: extern int gMaxChildren;
228:
229: extern struct globalconf gGlobalConf; /* Global config settings */
230:
231: #if defined(USE_NG_BPF) && !defined(RADSRV)
232: extern struct acl *acl_filters[ACL_FILTERS]; /* mpd's internal bpf filters */
233: #endif
234:
235: #ifdef USE_PAM
236: extern char gPamService[32];
237: #endif
238:
239: extern struct pevent_ctx *gPeventCtx;
240: extern pthread_mutex_t gGiantMutex; /* Giant Mutex */
241:
242: extern const char *gVersion; /* Program version string */
243: extern const char *gConfigFile; /* Main config file */
244: extern const char *gConfDirectory; /* Where the files are */
245:
246: /*
247: * FUNCTIONS
248: */
249:
250: extern void Greetings(void);
251: extern void SendSignal(int sig);
252: extern void DoExit(int code) __dead2;
253: extern void DoAssert(const char *file, int line, const char *x) __dead2;
254: extern void CheckOneShot(void);
255:
256: #endif
257:
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