2 * $Id: afp_asp.c,v 1.18 2002-12-04 10:59:36 didg Exp $
4 * Copyright (c) 1997 Adrian Sun (asun@zoology.washington.edu)
5 * Copyright (c) 1990,1993 Regents of The University of Michigan.
6 * All Rights Reserved. See COPYRIGHT.
8 * modified from main.c. this handles afp over asp.
13 #endif /* HAVE_CONFIG_H */
21 #include <atalk/logger.h>
23 #ifdef HAVE_SYS_TIME_H
25 #endif /* HAVE_SYS_TIME_H */
26 #ifdef HAVE_SYS_STAT_H
28 #endif /* HAVE_SYS_STAT_H */
30 #include <netatalk/endian.h>
31 #include <atalk/atp.h>
32 #include <atalk/asp.h>
33 #include <atalk/compat.h>
34 #include <atalk/util.h>
44 #endif /* FORCE_UIDGID */
46 extern struct oforks *writtenfork;
50 static __inline__ void afp_authprint_remove(AFPObj *);
52 static __inline__ void afp_asp_close(AFPObj *obj)
54 ASP asp = obj->handle;
56 if (obj->options.authprintdir) afp_authprint_remove(obj);
61 LOG(log_info, logtype_afpd, "%.2fKB read, %.2fKB written",
62 asp->read_count / 1024.0, asp->write_count / 1024.0);
66 /* removes the authprint trailing when appropriate */
67 static __inline__ void afp_authprint_remove(AFPObj *obj)
69 ASP asp = obj->handle;
70 char addr_filename[256];
71 char addr_filename_buff[256];
74 sprintf(addr_filename, "%s/net%d.%dnode%d", obj->options.authprintdir,
75 ntohs( asp->asp_sat.sat_addr.s_net )/256,
76 ntohs( asp->asp_sat.sat_addr.s_net )%256,
77 asp->asp_sat.sat_addr.s_node );
79 memset( addr_filename_buff, 0, 256 );
81 if(stat(addr_filename, &cap_st) == 0) {
82 if( S_ISREG(cap_st.st_mode) ) {
84 int capfd = open( addr_filename, O_RDONLY );
85 if ((len = read( capfd, addr_filename_buff, 256 )) > 0) {
89 addr_filename_buff[len] = 0;
90 if ( (p_filepid = strrchr(addr_filename_buff, ':')) != NULL) {
93 file_pid = atoi(p_filepid);
94 if (file_pid == (int)getpid()) {
95 if(unlink(addr_filename) == 0) {
96 LOG(log_info, logtype_afpd, "removed %s", addr_filename);
98 LOG(log_info, logtype_afpd, "error removing %s: %s",
99 addr_filename, strerror(errno));
102 LOG(log_info, logtype_afpd, "%s belongs to another pid %d",
103 addr_filename, file_pid );
105 } else { /* no pid info */
106 if (unlink(addr_filename) == 0) {
107 LOG(log_info, logtype_afpd, "removed %s", addr_filename );
109 LOG(log_info, logtype_afpd, "error removing %s: %s",
110 addr_filename, strerror(errno));
114 LOG(log_info, logtype_afpd, "couldn't read data from %s", addr_filename );
117 LOG(log_info, logtype_afpd, "%s is not a regular file", addr_filename );
120 LOG(log_info, logtype_afpd, "error stat'ing %s: %s",
121 addr_filename, strerror(errno));
125 static void afp_asp_die(const int sig)
127 ASP asp = child->handle;
129 asp_attention(asp, AFPATTN_SHUTDOWN);
130 if ( asp_shutdown( asp ) < 0 ) {
131 LOG(log_error, logtype_afpd, "afp_die: asp_shutdown: %s", strerror(errno) );
134 afp_asp_close(child);
135 if (sig == SIGTERM || sig == SIGALRM)
141 static void afp_asp_timedown()
146 /* shutdown and don't reconnect. server going down in 5 minutes. */
147 asp_attention(child->handle, AFPATTN_SHUTDOWN | AFPATTN_NORECONNECT |
150 it.it_interval.tv_sec = 0;
151 it.it_interval.tv_usec = 0;
152 it.it_value.tv_sec = 300;
153 it.it_value.tv_usec = 0;
154 if ( setitimer( ITIMER_REAL, &it, 0 ) < 0 ) {
155 LOG(log_error, logtype_afpd, "afp_timedown: setitimer: %s", strerror(errno) );
159 memset(&sv, 0, sizeof(sv));
160 sv.sa_handler = afp_asp_die;
161 sigemptyset( &sv.sa_mask );
162 sv.sa_flags = SA_RESTART;
163 if ( sigaction( SIGALRM, &sv, 0 ) < 0 ) {
164 LOG(log_error, logtype_afpd, "afp_timedown: sigaction: %s", strerror(errno) );
169 sv.sa_handler = SIG_IGN;
170 sigemptyset( &sv.sa_mask );
171 sv.sa_flags = SA_RESTART;
172 if ( sigaction( SIGHUP, &sv, 0 ) < 0 ) {
173 LOG(log_error, logtype_afpd, "afp_timedown: sigaction SIGHUP: %s", strerror(errno) );
178 void afp_over_asp(AFPObj *obj)
181 struct sigaction action;
182 int func, ccnt = 0, reply = 0;
184 obj->exit = afp_asp_die;
185 obj->reply = (int (*)()) asp_cmdreply;
186 obj->attention = (int (*)(void *, AFPUserBytes)) asp_attention;
188 asp = (ASP) obj->handle;
190 /* install signal handlers */
191 memset(&action, 0, sizeof(action));
192 action.sa_handler = afp_asp_timedown;
193 sigemptyset( &action.sa_mask );
194 action.sa_flags = SA_RESTART;
195 if ( sigaction( SIGHUP, &action, 0 ) < 0 ) {
196 LOG(log_error, logtype_afpd, "afp_over_asp: sigaction: %s", strerror(errno) );
200 action.sa_handler = afp_asp_die;
201 sigemptyset( &action.sa_mask );
202 action.sa_flags = SA_RESTART;
203 if ( sigaction( SIGTERM, &action, 0 ) < 0 ) {
204 LOG(log_error, logtype_afpd, "afp_over_asp: sigaction: %s", strerror(errno) );
208 LOG(log_info, logtype_afpd, "session from %u.%u:%u on %u.%u:%u",
209 ntohs( asp->asp_sat.sat_addr.s_net ),
210 asp->asp_sat.sat_addr.s_node, asp->asp_sat.sat_port,
211 ntohs( atp_sockaddr( asp->asp_atp )->sat_addr.s_net ),
212 atp_sockaddr( asp->asp_atp )->sat_addr.s_node,
213 atp_sockaddr( asp->asp_atp )->sat_port );
215 while ((reply = asp_getrequest(asp))) {
219 LOG(log_info, logtype_afpd, "done" );
221 if ( obj->options.flags & OPTION_DEBUG ) {
230 if ( flushfork( writtenfork ) < 0 ) {
231 LOG(log_error, logtype_afpd, "main flushfork: %s",
237 func = (u_char) asp->commands[0];
238 if ( obj->options.flags & OPTION_DEBUG ) {
239 printf("command: %d (%s)\n", func, AfpNum2name(func));
240 bprint( asp->commands, asp->cmdlen );
242 if ( afp_switch[ func ] != NULL ) {
244 * The function called from afp_switch is expected to
245 * read its parameters out of buf, put its
246 * results in replybuf (updating rbuflen), and
247 * return an error code.
249 asp->datalen = ASP_DATASIZ;
250 reply = (*afp_switch[ func ])(obj,
251 asp->commands, asp->cmdlen,
252 asp->data, &asp->datalen);
254 /* bring everything back to old euid, egid */
256 restore_uidgid ( &obj->uidgid );
257 #endif /* FORCE_UIDGID */
259 LOG(log_error, logtype_afpd, "bad function %X", func );
263 if ( obj->options.flags & OPTION_DEBUG ) {
264 printf( "reply: %d, %d\n", reply, ccnt++ );
265 bprint( asp->data, asp->datalen );
268 if ( asp_cmdreply( asp, reply ) < 0 ) {
269 LOG(log_error, logtype_afpd, "asp_cmdreply: %s", strerror(errno) );
275 func = (u_char) asp->commands[0];
276 if ( obj->options.flags & OPTION_DEBUG ) {
277 printf( "(write) command: %d\n", func );
278 bprint( asp->commands, asp->cmdlen );
280 if ( afp_switch[ func ] != NULL ) {
281 asp->datalen = ASP_DATASIZ;
282 reply = (*afp_switch[ func ])(obj,
283 asp->commands, asp->cmdlen,
284 asp->data, &asp->datalen);
286 /* bring everything back to old euid, egid */
288 restore_uidgid ( &obj->uidgid );
289 #endif /* FORCE_UIDGID */
291 LOG(log_error, logtype_afpd, "(write) bad function %X", func );
295 if ( obj->options.flags & OPTION_DEBUG ) {
296 printf( "(write) reply code: %d, %d\n", reply, ccnt++ );
297 bprint( asp->data, asp->datalen );
299 if ( asp_wrtreply( asp, reply ) < 0 ) {
300 LOG(log_error, logtype_afpd, "asp_wrtreply: %s", strerror(errno) );
306 * Bad asp packet. Probably should have asp filter them,
307 * since they are typically things like out-of-order packet.
309 LOG(log_info, logtype_afpd, "main: asp_getrequest: %d", reply );
313 if ( obj->options.flags & OPTION_DEBUG ) {
317 of_pforkdesc( stdout );