2 * Copyright (c) 1997 Adrian Sun (asun@zoology.washington.edu)
3 * All Rights Reserved. See COPYRIGHT.
8 #endif /* HAVE_CONFIG_H */
15 #include <atalk/afp.h>
16 #include <atalk/dsi.h>
17 #include <atalk/util.h>
18 #include <atalk/unix.h>
19 #include <atalk/logger.h>
20 #include <atalk/globals.h>
24 #define MAXMESGSIZE 199
26 /* this is only used by afpd children, so it's okay. */
27 static char servermesg[MAXPATHLEN] = "";
28 static char localized_message[MAXPATHLEN] = "";
31 * Copy AFP message to message buffer
32 * @param message (r) message to send
33 * @returns 0 if this message is being set the first time, return 1 if the preceeding
34 * message was the same
36 int setmessage(const char *message)
38 if (strncmp(message, servermesg, MAXMESGSIZE) == 0)
40 strlcpy(servermesg, message, MAXMESGSIZE);
44 void readmessage(AFPObj *obj)
46 /* Read server message from file defined as SERVERTEXT */
55 maxmsgsize = MIN(MAX(obj->dsi->attn_quantum, MAXMESGSIZE), MAXPATHLEN);
58 /* Construct file name SERVERTEXT/message.[pid] */
59 if ( NULL == (filename=(char*) malloc(sizeof(SERVERTEXT)+15)) ) {
60 LOG(log_error, logtype_afpd, "readmessage: malloc: %s", strerror(errno) );
64 sprintf(filename, "%s/message.%d", SERVERTEXT, getpid());
67 LOG(log_debug9, logtype_afpd, "Reading file %s ", filename);
70 message=fopen(filename, "r");
72 /* try without the process id */
73 sprintf(filename, "%s/message", SERVERTEXT);
74 message=fopen(filename, "r");
77 /* if either message.pid or message exists */
79 /* added while loop to get characters and put in servermesg */
80 while ((( c=fgetc(message)) != EOF) && (i < (maxmsgsize - 1))) {
81 if ( c == '\n') c = ' ';
91 if ((rc = unlink(filename)) != 0)
92 LOG(log_error, logtype_afpd, "File '%s' could not be deleted", strerror(errno));
97 LOG(log_error, logtype_afpd, "Error deleting %s: %s", filename, strerror(rc));
101 LOG(log_debug9, logtype_afpd, "Deleted %s", filename);
104 LOG(log_debug9, logtype_afpd, "Set server message to \"%s\"", servermesg);
108 #endif /* SERVERTEXT */
111 int afp_getsrvrmesg(AFPObj *obj, char *ibuf, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
114 uint16_t type, bitmap;
122 msgsize = MAX(obj->dsi->attn_quantum, MAXMESGSIZE);
124 memcpy(&type, ibuf + 2, sizeof(type));
125 memcpy(&bitmap, ibuf + 4, sizeof(bitmap));
127 message = servermesg;
128 switch (ntohs(type)) {
129 case AFPMESG_LOGIN: /* login */
130 /* at least TIGER loses server messages
131 * if it receives a server msg attention before
132 * it has asked the login msg...
133 * Workaround: concatenate the two if any, ugly.
135 if (obj->options.loginmesg) {
137 strlcat(message, " - ", MAXMESGSIZE);
138 strlcat(message, obj->options.loginmesg, MAXMESGSIZE);
141 case AFPMESG_SERVER: /* server */
144 return AFPERR_BITMAP;
148 * message type: 2 bytes
150 * message length: 1 byte ( 2 bytes for utf8)
151 * message: up to 199 bytes (dsi attn_quantum for utf8)
153 memcpy(rbuf, &type, sizeof(type));
154 rbuf += sizeof(type);
155 *rbuflen += sizeof(type);
156 memcpy(rbuf, &bitmap, sizeof(bitmap));
157 rbuf += sizeof(bitmap);
158 *rbuflen += sizeof(bitmap);
160 utf8 = ntohs(bitmap) & 2;
161 msglen = strlen(message);
162 if (msglen > msgsize)
166 if ( (size_t)-1 == (outlen = convert_string(obj->options.unixcharset, utf8?CH_UTF8_MAC:obj->options.maccharset,
167 message, msglen, localized_message, msgsize)) )
169 memcpy(rbuf+((utf8)?2:1), message, msglen); /*FIXME*/
174 memcpy(rbuf+((utf8)?2:1), localized_message, outlen);
179 /* UTF8 message, 2 byte length */
180 msgsize = htons(outlen);
181 memcpy(rbuf, &msgsize, sizeof(msgsize));
182 *rbuflen += sizeof(msgsize);