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sdiff udiff text old ( 176428 ) new ( 196475 )
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as.c (176428) as.c (196475)
1/* $FreeBSD: head/contrib/traceroute/as.c 176428 2008-02-20 23:29:53Z rpaulo $ */
1/* $FreeBSD: head/contrib/traceroute/as.c 196475 2009-08-23 17:00:16Z ume $ */
2/* $NetBSD: as.c,v 1.1 2001/11/04 23:14:36 atatat Exp $ */
3
4/*
5 * Copyright (c) 2001 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Andrew Brown.

--- 48 unchanged lines hidden (view full) ---

58struct aslookup {
59 FILE *as_f;
60#ifdef AS_DEBUG_FILE
61 FILE *as_debug;
62#endif /* AS_DEBUG_FILE */
63};
64
65void *
2/* $NetBSD: as.c,v 1.1 2001/11/04 23:14:36 atatat Exp $ */
3
4/*
5 * Copyright (c) 2001 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Andrew Brown.

--- 48 unchanged lines hidden (view full) ---

58struct aslookup {
59 FILE *as_f;
60#ifdef AS_DEBUG_FILE
61 FILE *as_debug;
62#endif /* AS_DEBUG_FILE */
63};
64
65void *
66as_setup(server)
67 char *server;
66as_setup(char *server)
68{
69 struct aslookup *asn;
67{
68 struct aslookup *asn;
70 struct hostent *he = NULL;
71 struct servent *se;
72 struct sockaddr_in in;
69 struct addrinfo hints, *res0, *res;
73 FILE *f;
70 FILE *f;
74 int s;
71 int s, error;
75
76 if (server == NULL)
72
73 if (server == NULL)
74 server = getenv("RA_SERVER");
75 if (server == NULL)
77 server = DEFAULT_AS_SERVER;
78
76 server = DEFAULT_AS_SERVER;
77
79 (void)memset(&in, 0, sizeof(in));
80 in.sin_family = AF_INET;
81 in.sin_len = sizeof(in);
82 if ((se = getservbyname("whois", "tcp")) == NULL) {
78 memset(&hints, 0, sizeof(hints));
79 hints.ai_family = PF_UNSPEC;
80 hints.ai_socktype = SOCK_STREAM;
81 error = getaddrinfo(server, "whois", &hints, &res0);
82 if (error == EAI_SERVICE) {
83 warnx("warning: whois/tcp service not found");
83 warnx("warning: whois/tcp service not found");
84 in.sin_port = ntohs(43);
85 } else
86 in.sin_port = se->s_port;
87
88 if (inet_aton(server, &in.sin_addr) == 0 &&
89 ((he = gethostbyname(server)) == NULL ||
90 he->h_addr == NULL)) {
91 warnx("%s: %s", server, hstrerror(h_errno));
92 return (NULL);
84 error = getaddrinfo(server, "43", &hints, &res0);
93 }
85 }
94
95 if ((s = socket(PF_INET, SOCK_STREAM, 0)) == -1) {
96 warn("socket");
86 if (error != 0) {
87 warnx("%s: %s", server, gai_strerror(error));
97 return (NULL);
98 }
99
88 return (NULL);
89 }
90
100 do {
101 if (he != NULL) {
102 memcpy(&in.sin_addr, he->h_addr, he->h_length);
103 he->h_addr_list++;
104 }
105 if (connect(s, (struct sockaddr *)&in, sizeof(in)) == 0)
91 for (res = res0; res; res = res->ai_next) {
92 s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
93 if (s < 0)
94 continue;
95 if (connect(s, res->ai_addr, res->ai_addrlen) >= 0)
106 break;
96 break;
107 if (he == NULL || he->h_addr == NULL) {
108 close(s);
109 s = -1;
110 break;
111 }
112 } while (1);
113
114 if (s == -1) {
97 close(s);
98 s = -1;
99 }
100 freeaddrinfo(res0);
101 if (s < 0) {
115 warn("connect");
116 return (NULL);
117 }
118
119 f = fdopen(s, "r+");
120 (void)fprintf(f, "!!\n");
121 (void)fflush(f);
122

--- 9 unchanged lines hidden (view full) ---

132 (void)fprintf(asn->as_debug, ">> !!\n");
133 (void)fflush(asn->as_debug);
134 }
135#endif /* AS_DEBUG_FILE */
136
137 return (asn);
138}
139
102 warn("connect");
103 return (NULL);
104 }
105
106 f = fdopen(s, "r+");
107 (void)fprintf(f, "!!\n");
108 (void)fflush(f);
109

--- 9 unchanged lines hidden (view full) ---

119 (void)fprintf(asn->as_debug, ">> !!\n");
120 (void)fflush(asn->as_debug);
121 }
122#endif /* AS_DEBUG_FILE */
123
124 return (asn);
125}
126
140int
141as_lookup(_asn, addr)
142 void *_asn;
143 struct in_addr *addr;
127unsigned int
128as_lookup(void *_asn, char *addr, sa_family_t family)
144{
145 struct aslookup *asn = _asn;
146 char buf[1024];
129{
130 struct aslookup *asn = _asn;
131 char buf[1024];
147 int as, rc, dlen;
132 unsigned int as;
133 int rc, dlen, plen;
148
134
149 as = rc = dlen = 0;
150 (void)fprintf(asn->as_f, "!r%s/32,l\n", inet_ntoa(*addr));
135 as = 0;
136 rc = dlen = 0;
137 plen = (family == AF_INET6) ? 128 : 32;
138 (void)fprintf(asn->as_f, "!r%s/%d,l\n", addr, plen);
151 (void)fflush(asn->as_f);
152
153#ifdef AS_DEBUG_FILE
154 if (asn->as_debug) {
139 (void)fflush(asn->as_f);
140
141#ifdef AS_DEBUG_FILE
142 if (asn->as_debug) {
155 (void)fprintf(asn->as_debug, ">> !r%s/32,l\n",
156 inet_ntoa(*addr));
143 (void)fprintf(asn->as_debug, ">> !r%s/%d,l\n", addr, plen);
157 (void)fflush(asn->as_debug);
158 }
159#endif /* AS_DEBUG_FILE */
160
161 while (fgets(buf, sizeof(buf), asn->as_f) != NULL) {
162 buf[sizeof(buf) - 1] = '\0';
163
164#ifdef AS_DEBUG_FILE

--- 12 unchanged lines hidden (view full) ---

177#ifdef AS_DEBUG_FILE
178 if (asn->as_debug) {
179 (void)fprintf(asn->as_debug,
180 "dlen: %d\n", dlen);
181 (void)fflush(asn->as_debug);
182 }
183#endif /* AS_DEBUG_FILE */
184 break;
144 (void)fflush(asn->as_debug);
145 }
146#endif /* AS_DEBUG_FILE */
147
148 while (fgets(buf, sizeof(buf), asn->as_f) != NULL) {
149 buf[sizeof(buf) - 1] = '\0';
150
151#ifdef AS_DEBUG_FILE

--- 12 unchanged lines hidden (view full) ---

164#ifdef AS_DEBUG_FILE
165 if (asn->as_debug) {
166 (void)fprintf(asn->as_debug,
167 "dlen: %d\n", dlen);
168 (void)fflush(asn->as_debug);
169 }
170#endif /* AS_DEBUG_FILE */
171 break;
185 case 'C':
172 case 'C':
186 case 'D':
187 case 'E':
188 case 'F':
189 /* C - no data returned */
190 /* D - key not found */
191 /* E - multiple copies of key */
192 /* F - some other error */
193 break;

--- 10 unchanged lines hidden (view full) ---

204 /* either an error off the bat, or a done code */
205 break;
206
207 /* data received, thank you */
208 dlen -= strlen(buf);
209
210 /* origin line is the interesting bit */
211 if (as == 0 && strncasecmp(buf, "origin:", 7) == 0) {
173 case 'D':
174 case 'E':
175 case 'F':
176 /* C - no data returned */
177 /* D - key not found */
178 /* E - multiple copies of key */
179 /* F - some other error */
180 break;

--- 10 unchanged lines hidden (view full) ---

191 /* either an error off the bat, or a done code */
192 break;
193
194 /* data received, thank you */
195 dlen -= strlen(buf);
196
197 /* origin line is the interesting bit */
198 if (as == 0 && strncasecmp(buf, "origin:", 7) == 0) {
212 sscanf(buf + 7, " AS%d", &as);
199 sscanf(buf + 7, " AS%u", &as);
213#ifdef AS_DEBUG_FILE
214 if (asn->as_debug) {
215 (void)fprintf(asn->as_debug, "as: %d\n", as);
216 (void)fflush(asn->as_debug);
217 }
218#endif /* AS_DEBUG_FILE */
219 }
220 }
221
222 return (as);
223}
224
225void
200#ifdef AS_DEBUG_FILE
201 if (asn->as_debug) {
202 (void)fprintf(asn->as_debug, "as: %d\n", as);
203 (void)fflush(asn->as_debug);
204 }
205#endif /* AS_DEBUG_FILE */
206 }
207 }
208
209 return (as);
210}
211
212void
226as_shutdown(_asn)
227 void *_asn;
213as_shutdown(void *_asn)
228{
229 struct aslookup *asn = _asn;
230
231 (void)fprintf(asn->as_f, "!q\n");
232 (void)fclose(asn->as_f);
233
234#ifdef AS_DEBUG_FILE
235 if (asn->as_debug) {
236 (void)fprintf(asn->as_debug, ">> !q\n");
237 (void)fclose(asn->as_debug);
238 }
239#endif /* AS_DEBUG_FILE */
240
241 free(asn);
242}
214{
215 struct aslookup *asn = _asn;
216
217 (void)fprintf(asn->as_f, "!q\n");
218 (void)fclose(asn->as_f);
219
220#ifdef AS_DEBUG_FILE
221 if (asn->as_debug) {
222 (void)fprintf(asn->as_debug, ">> !q\n");
223 (void)fclose(asn->as_debug);
224 }
225#endif /* AS_DEBUG_FILE */
226
227 free(asn);
228}