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984263bc MD |
1 | /* |
2 | * Copyright (c) 1997, 2001 Joerg Wunsch | |
3 | * | |
4 | * All rights reserved. | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * | |
15 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR | |
16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
18 | * IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
1de703da MD |
25 | * |
26 | * $FreeBSD: src/sbin/spppcontrol/spppcontrol.c,v 1.7.2.2 2002/04/24 18:47:22 joerg Exp $ | |
984263bc MD |
27 | */ |
28 | ||
984263bc MD |
29 | #include <sys/types.h> |
30 | #include <sys/ioctl.h> | |
31 | #include <sys/socket.h> | |
32 | ||
33 | #include <net/if.h> | |
34 | #include <net/if_var.h> | |
38a690d7 | 35 | #include <net/sppp/if_sppp.h> |
984263bc MD |
36 | |
37 | #include <err.h> | |
38 | #include <stdio.h> | |
39 | #include <stdlib.h> | |
40 | #include <string.h> | |
41 | #include <sysexits.h> | |
42 | #include <unistd.h> | |
43 | ||
44 | static void usage(void); | |
45 | void print_vals(const char *ifname, struct spppreq *sp); | |
46 | const char *phase_name(enum ppp_phase phase); | |
47 | const char *proto_name(u_short proto); | |
48 | const char *authflags(u_short flags); | |
49 | ||
50 | #define PPP_PAP 0xc023 | |
51 | #define PPP_CHAP 0xc223 | |
52 | ||
53 | int | |
54 | main(int argc, char **argv) | |
55 | { | |
56 | int s, c; | |
57 | int errs = 0, verbose = 0; | |
58 | size_t off; | |
59 | long to; | |
60 | char *endp; | |
61 | const char *ifname, *cp; | |
62 | struct ifreq ifr; | |
63 | struct spppreq spr; | |
64 | ||
65 | while ((c = getopt(argc, argv, "v")) != -1) | |
66 | switch (c) { | |
67 | case 'v': | |
68 | verbose++; | |
69 | break; | |
70 | ||
71 | default: | |
72 | errs++; | |
73 | break; | |
74 | } | |
75 | argv += optind; | |
76 | argc -= optind; | |
77 | ||
78 | if (errs || argc < 1) | |
79 | usage(); | |
80 | ||
81 | ifname = argv[0]; | |
82 | strncpy(ifr.ifr_name, ifname, sizeof ifr.ifr_name); | |
83 | ||
84 | /* use a random AF to create the socket */ | |
85 | if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) | |
86 | err(EX_UNAVAILABLE, "ifconfig: socket"); | |
87 | ||
88 | argc--; | |
89 | argv++; | |
90 | ||
cdd61b98 | 91 | spr.cmd = (uintptr_t)SPPPIOGDEFS; |
984263bc MD |
92 | ifr.ifr_data = (caddr_t)&spr; |
93 | ||
94 | if (ioctl(s, SIOCGIFGENERIC, &ifr) == -1) | |
95 | err(EX_OSERR, "SIOCGIFGENERIC(SPPPIOGDEFS)"); | |
96 | ||
97 | if (argc == 0) { | |
98 | /* list only mode */ | |
99 | print_vals(ifname, &spr); | |
100 | return 0; | |
101 | } | |
102 | ||
103 | #define startswith(s) strncmp(argv[0], s, (off = strlen(s))) == 0 | |
104 | ||
105 | while (argc > 0) { | |
106 | if (startswith("authproto=")) { | |
107 | cp = argv[0] + off; | |
108 | if (strcmp(cp, "pap") == 0) | |
109 | spr.defs.myauth.proto = | |
110 | spr.defs.hisauth.proto = PPP_PAP; | |
111 | else if (strcmp(cp, "chap") == 0) | |
112 | spr.defs.myauth.proto = | |
113 | spr.defs.hisauth.proto = PPP_CHAP; | |
114 | else if (strcmp(cp, "none") == 0) | |
115 | spr.defs.myauth.proto = | |
116 | spr.defs.hisauth.proto = 0; | |
117 | else | |
118 | errx(EX_DATAERR, "bad auth proto: %s", cp); | |
119 | } else if (startswith("myauthproto=")) { | |
120 | cp = argv[0] + off; | |
121 | if (strcmp(cp, "pap") == 0) | |
122 | spr.defs.myauth.proto = PPP_PAP; | |
123 | else if (strcmp(cp, "chap") == 0) | |
124 | spr.defs.myauth.proto = PPP_CHAP; | |
125 | else if (strcmp(cp, "none") == 0) | |
126 | spr.defs.myauth.proto = 0; | |
127 | else | |
128 | errx(EX_DATAERR, "bad auth proto: %s", cp); | |
129 | } else if (startswith("myauthname=")) | |
130 | strncpy(spr.defs.myauth.name, argv[0] + off, | |
131 | AUTHNAMELEN); | |
132 | else if (startswith("myauthsecret=") || | |
133 | startswith("myauthkey=")) | |
134 | strncpy(spr.defs.myauth.secret, argv[0] + off, | |
135 | AUTHKEYLEN); | |
136 | else if (startswith("hisauthproto=")) { | |
137 | cp = argv[0] + off; | |
138 | if (strcmp(cp, "pap") == 0) | |
139 | spr.defs.hisauth.proto = PPP_PAP; | |
140 | else if (strcmp(cp, "chap") == 0) | |
141 | spr.defs.hisauth.proto = PPP_CHAP; | |
142 | else if (strcmp(cp, "none") == 0) | |
143 | spr.defs.hisauth.proto = 0; | |
144 | else | |
145 | errx(EX_DATAERR, "bad auth proto: %s", cp); | |
146 | } else if (startswith("hisauthname=")) | |
147 | strncpy(spr.defs.hisauth.name, argv[0] + off, | |
148 | AUTHNAMELEN); | |
149 | else if (startswith("hisauthsecret=") || | |
150 | startswith("hisauthkey=")) | |
151 | strncpy(spr.defs.hisauth.secret, argv[0] + off, | |
152 | AUTHKEYLEN); | |
153 | else if (strcmp(argv[0], "callin") == 0) | |
154 | spr.defs.hisauth.flags |= AUTHFLAG_NOCALLOUT; | |
155 | else if (strcmp(argv[0], "always") == 0) | |
156 | spr.defs.hisauth.flags &= ~AUTHFLAG_NOCALLOUT; | |
157 | else if (strcmp(argv[0], "norechallenge") == 0) | |
158 | spr.defs.hisauth.flags |= AUTHFLAG_NORECHALLENGE; | |
159 | else if (strcmp(argv[0], "rechallenge") == 0) | |
160 | spr.defs.hisauth.flags &= ~AUTHFLAG_NORECHALLENGE; | |
161 | else if (startswith("lcp-timeout=")) { | |
162 | cp = argv[0] + off; | |
163 | to = strtol(cp, &endp, 10); | |
164 | if (*cp == '\0' || *endp != '\0' || | |
165 | /* | |
166 | * NB: 10 ms is the minimal possible value for | |
167 | * hz=100. We assume no kernel has less clock | |
168 | * frequency than that... | |
169 | */ | |
170 | to < 10 || to > 20000) | |
171 | errx(EX_DATAERR, "bad lcp timeout value: %s", | |
172 | cp); | |
173 | spr.defs.lcp.timeout = to; | |
174 | } else if (strcmp(argv[0], "enable-vj") == 0) | |
175 | spr.defs.enable_vj = 1; | |
176 | else if (strcmp(argv[0], "disable-vj") == 0) | |
177 | spr.defs.enable_vj = 0; | |
178 | else if (strcmp(argv[0], "enable-ipv6") == 0) | |
179 | spr.defs.enable_ipv6 = 1; | |
180 | else if (strcmp(argv[0], "disable-ipv6") == 0) | |
181 | spr.defs.enable_ipv6 = 0; | |
182 | else | |
183 | errx(EX_DATAERR, "bad parameter: \"%s\"", argv[0]); | |
184 | ||
185 | argv++; | |
186 | argc--; | |
187 | } | |
188 | ||
cdd61b98 | 189 | spr.cmd = (uintptr_t)SPPPIOSDEFS; |
984263bc MD |
190 | |
191 | if (ioctl(s, SIOCSIFGENERIC, &ifr) == -1) | |
192 | err(EX_OSERR, "SIOCSIFGENERIC(SPPPIOSDEFS)"); | |
193 | ||
194 | if (verbose) | |
195 | print_vals(ifname, &spr); | |
196 | ||
197 | return 0; | |
198 | } | |
199 | ||
200 | static void | |
201 | usage(void) | |
202 | { | |
203 | fprintf(stderr, "%s\n%s\n", | |
204 | "usage: spppcontrol [-v] ifname [{my|his}auth{proto|name|secret}=...]", | |
205 | " spppcontrol [-v] ifname callin|always"); | |
206 | exit(EX_USAGE); | |
207 | } | |
208 | ||
209 | void | |
210 | print_vals(const char *ifname, struct spppreq *sp) | |
211 | { | |
212 | printf("%s:\tphase=%s\n", ifname, phase_name(sp->defs.pp_phase)); | |
213 | if (sp->defs.myauth.proto) { | |
214 | printf("\tmyauthproto=%s myauthname=\"%.*s\"\n", | |
215 | proto_name(sp->defs.myauth.proto), | |
216 | AUTHNAMELEN, sp->defs.myauth.name); | |
217 | } | |
218 | if (sp->defs.hisauth.proto) { | |
219 | printf("\thisauthproto=%s hisauthname=\"%.*s\"%s\n", | |
220 | proto_name(sp->defs.hisauth.proto), | |
221 | AUTHNAMELEN, sp->defs.hisauth.name, | |
222 | authflags(sp->defs.hisauth.flags)); | |
223 | } | |
224 | printf("\tlcp-timeout=%d ms\n", sp->defs.lcp.timeout); | |
225 | printf("\t%sable-vj\n", sp->defs.enable_vj? "en": "dis"); | |
226 | printf("\t%sable-ipv6\n", sp->defs.enable_ipv6? "en": "dis"); | |
227 | } | |
228 | ||
229 | const char * | |
230 | phase_name(enum ppp_phase phase) | |
231 | { | |
232 | switch (phase) { | |
233 | case PHASE_DEAD: return "dead"; | |
234 | case PHASE_ESTABLISH: return "establish"; | |
235 | case PHASE_TERMINATE: return "terminate"; | |
236 | case PHASE_AUTHENTICATE: return "authenticate"; | |
237 | case PHASE_NETWORK: return "network"; | |
238 | } | |
239 | return "illegal"; | |
240 | } | |
241 | ||
242 | const char * | |
243 | proto_name(u_short proto) | |
244 | { | |
245 | static char buf[12]; | |
246 | switch (proto) { | |
247 | case PPP_PAP: return "pap"; | |
248 | case PPP_CHAP: return "chap"; | |
249 | } | |
250 | sprintf(buf, "0x%x", (unsigned)proto); | |
251 | return buf; | |
252 | } | |
253 | ||
254 | const char * | |
255 | authflags(u_short flags) | |
256 | { | |
257 | static char buf[30]; | |
258 | buf[0] = '\0'; | |
259 | if (flags & AUTHFLAG_NOCALLOUT) | |
260 | strcat(buf, " callin"); | |
261 | if (flags & AUTHFLAG_NORECHALLENGE) | |
262 | strcat(buf, " norechallenge"); | |
263 | return buf; | |
264 | } |