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[packages/cvs.git] / cvs-ipv6.patch
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a3faa083
AM		 1diff -urN cvs-1.11.9.org/src/client.c cvs-1.11.9/src/client.c
2--- cvs-1.11.9.org/src/client.c 2003-10-15 19:28:25.000000000 +0200
3+++ cvs-1.11.9/src/client.c 2003-10-15 19:28:34.000000000 +0200
4@@ -80,7 +80,7 @@
a9093753
JB		 5 /* This is needed for GSSAPI encryption. */
6 static gss_ctx_id_t gcontext;
7
8-static int connect_to_gserver PROTO((cvsroot_t *, int, struct hostent *));
9+static int connect_to_gserver PROTO((cvsroot_t *, int, char *));
10
11 # endif /* HAVE_GSSAPI */
12
a3faa083 13@@ -131,7 +131,7 @@
a9093753
JB		 14 static size_t try_read_from_server PROTO ((char *, size_t));
15
16 static void auth_server PROTO ((cvsroot_t *, struct buffer *, struct buffer *,
17- int, int, struct hostent *));
18+ int, int, char *));
19
20 /* We need to keep track of the list of directories we've sent to the
21 server. This list, along with the current CVSROOT, will help us
a3faa083 22@@ -3487,30 +3487,6 @@
a9093753
JB		 23
24
25 #if defined (AUTH_CLIENT_SUPPORT) || defined (HAVE_KERBEROS) || defined (HAVE_GSSAPI)
26-static struct hostent *init_sockaddr PROTO ((struct sockaddr_in *, char *,
27- unsigned int));
28-
29-static struct hostent *
30-init_sockaddr (name, hostname, port)
31- struct sockaddr_in *name;
32- char *hostname;
33- unsigned int port;
34-{
35- struct hostent *hostinfo;
36- unsigned short shortport = port;
37-
38- memset (name, 0, sizeof (*name));
39- name->sin_family = AF_INET;
40- name->sin_port = htons (shortport);
41- hostinfo = gethostbyname (hostname);
42- if (hostinfo == NULL)
43- {
44- fprintf (stderr, "Unknown host %s.\n", hostname);
45- error_exit ();
46- }
47- name->sin_addr = *(struct in_addr *) hostinfo->h_addr;
48- return hostinfo;
49-}
50
51
52
a3faa083 53@@ -3685,34 +3661,59 @@
a9093753
JB		 54 int do_gssapi;
55 {
56 int sock;
57- int port_number;
58- struct sockaddr_in client_sai;
59- struct hostent *hostinfo;
60+ int gerr;
61+ struct addrinfo hints, *res, *res0;
62+ char pbuf[32];
63 struct buffer *to_server, *from_server;
64
65- sock = socket (AF_INET, SOCK_STREAM, 0);
66- if (sock == -1)
67+ sprintf (pbuf, "%u", get_cvs_port_number (root));
68+ pbuf[sizeof(pbuf)-1] = '\0';
69+ memset (&hints, 0, sizeof (hints));
70+ hints.ai_family = af;
71+ hints.ai_socktype = SOCK_STREAM;
72+ gerr = getaddrinfo (root->hostname, pbuf, &hints, &res0);
73+ if (gerr)
74 {
75- error (1, 0, "cannot create socket: %s", SOCK_STRERROR (SOCK_ERRNO));
76+ fprintf (stderr, "Unknown host %s.\n", root->hostname);
77+ error_exit ();
78 }
79- port_number = get_cvs_port_number (root);
80- hostinfo = init_sockaddr (&client_sai, root->hostname, port_number);
81- if (trace)
82+
83+ /* Try connect to current_parsed_root->hostname using all available families */
84+ for (res = res0; res != NULL; res = res->ai_next)
85 {
86- fprintf (stderr, " -> Connecting to %s(%s):%d\n",
87- root->hostname,
88- inet_ntoa (client_sai.sin_addr), port_number);
89- }
90- if (connect (sock, (struct sockaddr *) &client_sai, sizeof (client_sai))
91- < 0)
92- error (1, 0, "connect to %s(%s):%d failed: %s",
93- root->hostname,
94- inet_ntoa (client_sai.sin_addr),
95- port_number, SOCK_STRERROR (SOCK_ERRNO));
96+ sock = socket (res->ai_family, res->ai_socktype, 0);
97+ if (sock == -1) {
98+ if (res->ai_next)
99+ continue;
100+ else {
101+ char *sock_error = SOCK_STRERROR (SOCK_ERRNO);
102+ freeaddrinfo(res0);
103+ error (1, 0, "cannot create socket: %s", sock_error);
104+ }
105+ }
106+
107+ if (connect (sock, res->ai_addr, res->ai_addrlen) < 0)
108+ {
109+ if (res->ai_next)
110+ {
111+ close(sock);
112+ continue;
113+ }
114+ else
115+ {
116+ char *sock_error = SOCK_STRERROR (SOCK_ERRNO);
117+ freeaddrinfo(res0);
118+ error (1, 0, "connect to [%s]:%s failed: %s", root->hostname,
119+ pbuf, sock_error);
120+ }
121+ }
122+ /* success */
123+ break;
124+ }
125
126 make_bufs_from_fds (sock, sock, 0, &to_server, &from_server, 1);
127
128- auth_server (root, to_server, from_server, verify_only, do_gssapi, hostinfo);
129+ auth_server (root, to_server, from_server, verify_only, do_gssapi, root->hostname);
130
131 if (verify_only)
132 {
a3faa083 133@@ -3746,13 +3747,13 @@
a9093753
JB		 134
135
136 static void
137-auth_server (root, lto_server, lfrom_server, verify_only, do_gssapi, hostinfo)
138+auth_server (root, lto_server, lfrom_server, verify_only, do_gssapi, hostname)
139 cvsroot_t *root;
140 struct buffer *lto_server;
141 struct buffer *lfrom_server;
142 int verify_only;
143 int do_gssapi;
144- struct hostent *hostinfo;
145+ char *hostname;
146 {
147 char *username; /* the username we use to connect */
148 char no_passwd = 0; /* gets set if no password found */
a3faa083 149@@ -3782,7 +3783,7 @@
a9093753
JB		 150 error (1, 0, "gserver currently only enabled for socket connections");
151 }
152
153- if (! connect_to_gserver (root, fd, hostinfo))
154+ if (! connect_to_gserver (root, fd, hostname))
155 {
156 error (1, 0,
157 "authorization failed: server %s rejected access to %s",
a3faa083 158@@ -3798,7 +3799,7 @@
a9093753
JB		 159 char *begin = NULL;
160 char *password = NULL;
161 char *end = NULL;
162-
163+
164 if (verify_only)
165 {
166 begin = "BEGIN VERIFICATION REQUEST";
a3faa083 167@@ -3979,37 +3980,76 @@
a9093753
JB		 168 int s;
169 const char *portenv;
170 int port;
171- struct hostent *hp;
172- struct sockaddr_in sin;
173+ int gerr;
174+ struct addrinfo hints, *res, *res0;
175 char *hname;
176-
177- s = socket (AF_INET, SOCK_STREAM, 0);
178- if (s < 0)
179- error (1, 0, "cannot create socket: %s", SOCK_STRERROR (SOCK_ERRNO));
180+ char pbuf[32], hbuf[1025];
181
182 port = get_cvs_port_number (root);
183
184- hp = init_sockaddr (&sin, root->hostname, port);
185-
186- hname = xmalloc (strlen (hp->h_name) + 1);
187- strcpy (hname, hp->h_name);
188-
189- if (trace)
190+ sprintf (pbuf, "%u", port);
191+ pbuf[sizeof(pbuf)-1] = '\0';
192+ memset (&hints, 0, sizeof(hints));
193+ hints.ai_family = af;
194+ hints.ai_socktype = SOCK_STREAM;
195+ gerr = getaddrinfo (root->hostname, pbuf, &hints, &res0);
196+ if (gerr)
197 {
198- fprintf (stderr, " -> Connecting to %s(%s):%d\n",
199- root->hostname,
200- inet_ntoa (sin.sin_addr), port);
201+ fprintf (stderr, "Unknown host %s.\n", root->hostname);
202+ error_exit ();
203 }
204
205- if (connect (s, (struct sockaddr *) &sin, sizeof sin) < 0)
206- error (1, 0, "connect to %s(%s):%d failed: %s",
207- root->hostname,
208- inet_ntoa (sin.sin_addr),
209- port, SOCK_STRERROR (SOCK_ERRNO));
210+ /* Try connect to current_parsed_root->hostname using all available families */
211+ gerr = -1;
212+ for (res = res0; res != NULL; res = res->ai_next)
213+ {
214+ s = socket (res->ai_family, res->ai_socktype, 0);
215+ if (s < 0)
216+ {
217+ if (res->ai_next)
218+ continue;
219+ else
220+ {
221+ char *sock_error = SOCK_STRERROR (SOCK_ERRNO);
222+ freeaddrinfo(res0);
223+ error (1, 0, "cannot create socket: %s", sock_error);
224+ }
225+ }
226+ if (trace)
227+ {
228+ char hbuf[1025];
229+ getnameinfo(res->ai_addr, res->ai_addrlen, hbuf, sizeof(hbuf),
230+ NULL, 0, NI_NUMERICHOST);
231+ fprintf (stderr, " -> Connecting to %s(%s):%d\n",
232+ root->hostname, hbuf, port);
233+ }
234+
235+ if (connect (s, res->ai_addr, res->ai_addrlen) < 0)
236+ {
237+ if (res->ai_next)
238+ {
239+ close(s);
240+ continue;
241+ }
242+ else
243+ {
244+ char *sock_error = SOCK_STRERROR (SOCK_ERRNO);
245+ freeaddrinfo(res0);
246+ error (1, 0, "connect to [%s]:%s failed: %s",
247+ root->hostname, pbuf, sock_error);
248+ }
249+ }
250+ getnameinfo(res->ai_addr, res->ai_addrlen, hbuf, sizeof(hbuf), NULL, 0, 0);
251+ hname = xmalloc (strlen (hbuf) + 1);
252+ strcpy (hname, hbuf);
253+ /* success */
254+ break;
255+ }
256+ freeaddrinfo(res0);
257
258 {
259 const char *realm;
260- struct sockaddr_in laddr;
261+ struct sockaddr_storage laddr;
262 int laddrlen;
263 KTEXT_ST ticket;
264 MSG_DAT msg_data;
a3faa083 265@@ -4084,10 +4124,10 @@
a9093753
JB		 266 */
267 #define BUFSIZE 1024
268 static int
269-connect_to_gserver (root, sock, hostinfo)
270+connect_to_gserver (root, sock, hostname)
271 cvsroot_t *root;
272 int sock;
273- struct hostent *hostinfo;
274+ char *hostname;
275 {
276 char *str;
277 char buf[BUFSIZE];
a3faa083 278@@ -4100,9 +4140,9 @@
a9093753
JB		 279 if (send (sock, str, strlen (str), 0) < 0)
280 error (1, 0, "cannot send: %s", SOCK_STRERROR (SOCK_ERRNO));
281
282- if (strlen (hostinfo->h_name) > BUFSIZE - 5)
283+ if (strlen (hostname) > BUFSIZE - 5)
284 error (1, 0, "Internal error: hostname exceeds length of buffer");
285- sprintf (buf, "cvs@%s", hostinfo->h_name);
286+ sprintf (buf, "cvs@%s", hostname);
287 tok_in.length = strlen (buf);
288 tok_in.value = buf;
289 gss_import_name (&stat_min, &tok_in, GSS_C_NT_HOSTBASED_SERVICE,
a3faa083
AM		 290diff -urN cvs-1.11.9.org/src/cvs.h cvs-1.11.9/src/cvs.h
291--- cvs-1.11.9.org/src/cvs.h 2003-10-15 19:28:25.000000000 +0200
292+++ cvs-1.11.9/src/cvs.h 2003-10-15 19:28:34.000000000 +0200
293@@ -366,6 +366,7 @@
a9093753
JB		 294 extern int really_quiet, quiet;
295 extern int use_editor;
296 extern int cvswrite;
297+extern int af;
298 extern mode_t cvsumask;
299
300
a3faa083
AM		 301diff -urN cvs-1.11.9.org/src/main.c cvs-1.11.9/src/main.c
302--- cvs-1.11.9.org/src/main.c 2003-10-15 19:28:25.000000000 +0200
303+++ cvs-1.11.9/src/main.c 2003-10-15 19:28:34.000000000 +0200
a9093753
JB		 304@@ -13,6 +13,7 @@
305 */
306
307 #include <assert.h>
308+#include <sys/socket.h>
309 #include "cvs.h"
310
311 #ifdef HAVE_WINSOCK_H
312@@ -42,6 +43,7 @@
313 int trace = 0;
314 int noexec = 0;
315 int logoff = 0;
316+int af = AF_UNSPEC;
317
318 /* Set if we should be writing CVSADM directories at top level. At
319 least for now we'll make the default be off (the CVS 1.9, not CVS
320@@ -162,7 +164,7 @@
321 in --help as it is a rather different format from the rest. */
322
323 "Usage: %s [cvs-options] command [command-options-and-arguments]\n",
324- " where cvs-options are -q, -n, etc.\n",
325+ " where cvs-options are -4, -6,-q, -n, etc.\n",
326 " (specify --help-options for a list of options)\n",
327 " where command is add, admin, etc.\n",
328 " (specify --help-commands for a list of commands\n",
a3faa083 329@@ -406,7 +408,7 @@
a9093753
JB		 330 int help = 0; /* Has the user asked for help? This
331 lets us support the `cvs -H cmd'
332 convention to give help for cmd. */
c44cb12a 333- static const char short_options[] = "+Qqrwtnvb:T:e:d:Hfz:s:xa";
4abf4443 334+ static const char short_options[] = "+46Qqrwtnvb:T:e:d:Hfz:s:xa";
a9093753
JB		 335 static struct option long_options[] =
336 {
337 {"help", 0, NULL, 'H'},
a3faa083 338@@ -519,6 +521,12 @@
a9093753
JB		 339 /* --allow-root */
340 root_allow_add (optarg);
341 break;
342+ case '4':
343+ af = AF_INET;
344+ break;
345+ case '6':
346+ af = AF_INET6;
347+ break;
348 case 'Q':
349 really_quiet = 1;
350 /* FALL THROUGH */
a3faa083
AM		 351diff -urN cvs-1.11.9.org/src/server.c cvs-1.11.9/src/server.c
352--- cvs-1.11.9.org/src/server.c 2003-10-15 19:28:25.000000000 +0200
353+++ cvs-1.11.9/src/server.c 2003-10-15 19:29:16.000000000 +0200
354@@ -5756,8 +5756,8 @@
a9093753
JB		 355 {
356 int status;
357 char instance[INST_SZ];
358- struct sockaddr_in peer;
359- struct sockaddr_in laddr;
360+ struct sockaddr_storage peer;
361+ struct sockaddr_storage laddr;
362 int len;
363 KTEXT_ST ticket;
364 AUTH_DAT auth;
a3faa083 365@@ -5834,7 +5834,8 @@
a9093753
JB		 366 gserver_authenticate_connection ()
367 {
368 char hostname[MAXHOSTNAMELEN];
369- struct hostent *hp;
370+ char hbuf[1025];
371+ struct addrinfo hints, *res0;
372 gss_buffer_desc tok_in, tok_out;
373 char buf[1024];
374 OM_uint32 stat_min, ret;
a3faa083 375@@ -5844,11 +5845,16 @@
a9093753
JB		 376 gss_OID mechid;
377
378 gethostname (hostname, sizeof hostname);
379- hp = gethostbyname (hostname);
380- if (hp == NULL)
381+ hostname[sizeof(hostname)-1] = '\0';
382+ memset (&hints, 0, sizeof(hints));
383+ hints.ai_family = af;
384+ hints.ai_socktype = SOCK_STREAM;
385+ hints.ai_flags = AI_CANONNAME;
a3faa083 386+ if (getaddrinfo (hostname, NULL, &hints, &res0))
a9093753
JB		 387 error (1, 0, "can't get canonical hostname");
388
389- sprintf (buf, "cvs@%s", hp->h_name);
390+ sprintf (buf, "cvs@%s", res0->ai_canonname);
391+ freeaddrinfo (res0);
392 tok_in.value = buf;
393 tok_in.length = strlen (buf);
394
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