/*
- * $Id: status.c,v 1.5 2001-12-03 05:03:38 jmarcus Exp $
- *
* Copyright (c) 1990,1993 Regents of The University of Michigan.
* All Rights Reserved. See COPYRIGHT.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
+#include <ctype.h>
#include <string.h>
+#include <time.h>
#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <atalk/logger.h>
+#if 0
#ifdef BSD4_4
#include <sys/param.h>
-#ifndef USE_GETHOSTID
+#ifndef HAVE_GETHOSTID
#include <sys/sysctl.h>
-#endif /* USE_GETHOSTID */
+#endif /* HAVE_GETHOSTID */
#endif /* BSD4_4 */
+#endif
#include <netatalk/at.h>
#include <netatalk/endian.h>
#include <atalk/atp.h>
#include <atalk/asp.h>
#include <atalk/nbp.h>
+#include <atalk/unicode.h>
+#include <atalk/util.h>
#include "globals.h" /* includes <netdb.h> */
#include "status.h"
#include "afp_config.h"
#include "icon.h"
-static void status_flags(char *data, const int ipok,
- const unsigned char passwdbits)
+static size_t maxstatuslen = 0;
+
+static void status_flags(char *data, const int notif, const int ipok,
+ const unsigned char passwdbits, const int dirsrvcs _U_, int flags)
{
- u_int16_t status;
+ uint16_t status;
+
+ status = AFPSRVRINFO_COPY
+ | AFPSRVRINFO_SRVSIGNATURE
+ | AFPSRVRINFO_SRVMSGS
+ | AFPSRVRINFO_FASTBOZO
+ | AFPSRVRINFO_SRVRDIR
+ | AFPSRVRINFO_SRVUTF8
+ | AFPSRVRINFO_EXTSLEEP;
- status = AFPSRVRINFO_COPY;
if (passwdbits & PASSWD_SET) /* some uams may not allow this. */
status |= AFPSRVRINFO_PASSWD;
if (passwdbits & PASSWD_NOSAVE)
status |= AFPSRVRINFO_NOSAVEPASSWD;
- status |= AFPSRVRINFO_SRVSIGNATURE;
- /* only advertise tcp/ip if we have a valid address */
- if (ipok)
+ if (ipok) /* only advertise tcp/ip if we have a valid address */
status |= AFPSRVRINFO_TCPIP;
- status |= AFPSRVRINFO_SRVMSGS;
- status |= AFPSRVRINFO_SRVNOTIFY;
- status |= AFPSRVRINFO_FASTBOZO;
+ if (notif) /* Default is yes */
+ status |= AFPSRVRINFO_SRVNOTIFY;
+ if (flags & OPTION_UUID)
+ status |= AFPSRVRINFO_UUID;
+
status = htons(status);
memcpy(data + AFPSTATUS_FLAGOFF, &status, sizeof(status));
}
-static int status_server(char *data, const char *server)
+static int status_server(char *data, const char *server, const struct afp_options *options)
{
char *start = data;
char *Obj, *Type, *Zone;
+ char buf[32];
u_int16_t status;
- int len;
+ size_t len;
/* make room for all offsets before server name */
data += AFPSTATUS_PRELEN;
/* extract the obj part of the server */
Obj = (char *) server;
nbp_name(server, &Obj, &Type, &Zone);
- len = strlen(Obj);
- *data++ = len;
- memcpy( data, Obj, len );
+ if ((size_t)-1 == (len = convert_string(
+ options->unixcharset, options->maccharset,
+ Obj, -1, buf, sizeof(buf))) ) {
+ len = MIN(strlen(Obj), 31);
+ *data++ = len;
+ memcpy( data, Obj, len );
+ LOG ( log_error, logtype_afpd, "Could not set servername, using fallback");
+ } else {
+ *data++ = len;
+ memcpy( data, buf, len );
+ }
if ((len + 1) & 1) /* pad server name and length byte to even boundary */
len++;
data += len;
/* make room for signature and net address offset. save location of
- * signature offset.
+ * signature offset. we're also making room for directory names offset
+ * and the utf-8 server name offset.
*
* NOTE: technically, we don't need to reserve space for the
* signature and net address offsets if they're not going to be
* used. as there are no offsets after them, it doesn't hurt to
* have them specified though. so, we just do that to simplify
* things.
+ *
+ * NOTE2: AFP3.1 Documentation states that the directory names offset
+ * is a required feature, even though it can be set to zero.
*/
len = data - start;
status = htons(len + AFPSTATUS_POSTLEN);
#ifdef AFS
const char *machine = "afs";
#else /* !AFS */
- const char *machine = "unix";
+ const char *machine = "Netatalk %s";
#endif /* AFS */
+ char buf[64];
memcpy(&status, start + AFPSTATUS_MACHOFF, sizeof(status));
data += ntohs( status );
- len = strlen( machine );
+
+ // len = strlen( machine );
+ len = snprintf(buf, 64, machine, VERSION);
*data++ = len;
- memcpy( data, machine, len );
+ memcpy( data, buf, len );
data += len;
+
status = htons(data - start);
memcpy(start + AFPSTATUS_VERSOFF, &status, sizeof(status));
}
-
/* server signature is a 16-byte quantity */
-static u_int16_t status_signature(char *data, int *servoffset, DSI *dsi,
- const char *hostname)
+static u_int16_t status_signature(char *data, int *servoffset,
+ const struct afp_options *options)
{
char *status;
- int i;
u_int16_t offset, sigoff;
- long hostid;
- static int id = 0;
-#ifdef BSD4_4
- int mib[2];
- size_t len;
-#endif /* BSD4_4 */
status = data;
/* jump to server signature offset */
data += offset;
- /* 16-byte signature consists of copies of the hostid */
-#if defined(BSD4_4) && defined(USE_GETHOSTID)
- mib[0] = CTL_KERN;
- mib[1] = KERN_HOSTID;
- len = sizeof(hostid);
- sysctl(mib, 2, &hostid, &len, NULL, 0);
-#else /* BSD4_4 && USE_GETHOSTID */
- hostid = gethostid();
-#endif /* BSD4_4 && USE_GETHOSTID */
- if (!hostid) {
- if (dsi)
- hostid = dsi->server.sin_addr.s_addr;
- else {
- struct hostent *host;
-
- if ((host = gethostbyname(hostname)))
- hostid = ((struct in_addr *) host->h_addr)->s_addr;
- }
- }
-
- /* it turns out that a server signature screws up separate
- * servers running on the same machine. to work around that,
- * i add in an increment */
- hostid += id;
- id++;
- for (i = 0; i < 16; i += sizeof(hostid)) {
- memcpy(data, &hostid, sizeof(hostid));
- data += sizeof(hostid);
- }
+ memset(data, 0, 16);
+ memcpy(data, options->signature, 16);
+ data += 16;
/* calculate net address offset */
*servoffset += sizeof(offset);
return sigoff;
}
-static int status_netaddress(char *data, const int servoffset,
+static size_t status_netaddress(char *data, int *servoffset,
const ASP asp, const DSI *dsi,
- const char *fqdn)
+ const struct afp_options *options)
{
char *begin;
u_int16_t offset;
+ size_t addresses_len = 0;
begin = data;
/* get net address offset */
- memcpy(&offset, data + servoffset, sizeof(offset));
+ memcpy(&offset, data + *servoffset, sizeof(offset));
data += ntohs(offset);
/* format:
/* number of addresses. this currently screws up if we have a dsi
connection, but we don't have the ip address. to get around this,
we turn off the status flag for tcp/ip. */
- *data++ = (fqdn ? 1 : 0) + (dsi ? 1 : 0) + (asp ? 1 : 0);
-
- /* handle DNS names */
- if (fqdn) {
- int len = strlen(fqdn) + 2;
- *data++ = len;
- *data++ = 0x04;
- memcpy(data, fqdn, len);
- data += len;
- }
+ *data++ = ((options->fqdn && dsi)? 1 : 0) + (dsi ? 1 : 0) + (asp ? 1 : 0) +
+ (((options->flags & OPTION_ANNOUNCESSH) && options->fqdn && dsi)? 1 : 0);
/* ip address */
if (dsi) {
- const struct sockaddr_in *inaddr = &dsi->server;
-
- if (inaddr->sin_port == htons(DSI_AFPOVERTCP_PORT)) {
- *data++ = 6; /* length */
- *data++ = 0x01; /* basic ip address */
- memcpy(data, &inaddr->sin_addr.s_addr,
- sizeof(inaddr->sin_addr.s_addr));
- data += sizeof(inaddr->sin_addr.s_addr);
- } else {
- /* ip address + port */
- *data++ = 8;
- *data++ = 0x02; /* ip address with port */
- memcpy(data, &inaddr->sin_addr.s_addr,
- sizeof(inaddr->sin_addr.s_addr));
- data += sizeof(inaddr->sin_addr.s_addr);
- memcpy(data, &inaddr->sin_port, sizeof(inaddr->sin_port));
- data += sizeof(inaddr->sin_port);
+ if (dsi->server.ss_family == AF_INET) { /* IPv4 */
+ const struct sockaddr_in *inaddr = (struct sockaddr_in *)&dsi->server;
+ if (inaddr->sin_port == htons(DSI_AFPOVERTCP_PORT)) {
+ *data++ = 6; /* length */
+ *data++ = 0x01; /* basic ip address */
+ memcpy(data, &inaddr->sin_addr.s_addr,
+ sizeof(inaddr->sin_addr.s_addr));
+ data += sizeof(inaddr->sin_addr.s_addr);
+ addresses_len += 7;
+ } else {
+ /* ip address + port */
+ *data++ = 8;
+ *data++ = 0x02; /* ip address with port */
+ memcpy(data, &inaddr->sin_addr.s_addr,
+ sizeof(inaddr->sin_addr.s_addr));
+ data += sizeof(inaddr->sin_addr.s_addr);
+ memcpy(data, &inaddr->sin_port, sizeof(inaddr->sin_port));
+ data += sizeof(inaddr->sin_port);
+ addresses_len += 9;
+ }
+ } else { /* IPv6 */
+ const struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)&dsi->server;
+ if (sa6->sin6_port == htons(DSI_AFPOVERTCP_PORT)) {
+ *data++ = 18; /* length */
+ *data++ = 6; /* type */
+ memcpy(data, &sa6->sin6_addr.s6_addr, sizeof(sa6->sin6_addr.s6_addr));
+ data += sizeof(sa6->sin6_addr.s6_addr);
+ addresses_len += 19;
+ } else {
+ /* ip address + port */
+ *data++ = 20; /* length */
+ *data++ = 7; /* type*/
+ memcpy(data, &sa6->sin6_addr.s6_addr, sizeof(sa6->sin6_addr.s6_addr));
+ data += sizeof(sa6->sin6_addr.s6_addr);
+ memcpy(data, &sa6->sin6_port, sizeof(sa6->sin6_port));
+ data += sizeof(sa6->sin6_port);
+ addresses_len += 21;
+ }
+
+ }
+ }
+
+ /* handle DNS names */
+ if (options->fqdn && dsi) {
+ size_t len = strlen(options->fqdn);
+ if ( len + 2 + addresses_len < maxstatuslen - offset) {
+ *data++ = len +2;
+ *data++ = 0x04;
+ memcpy(data, options->fqdn, len);
+ data += len;
+ addresses_len += len+2;
+ }
+
+ /* Annouce support for SSH tunneled AFP session,
+ * this feature is available since 10.3.2.
+ * According to the specs (AFP 3.1 p.225) this should
+ * be an IP+Port style value, but it only works with
+ * a FQDN. OSX Server uses FQDN as well.
+ */
+ if ( len + 2 + addresses_len < maxstatuslen - offset) {
+ if (options->flags & OPTION_ANNOUNCESSH) {
+ *data++ = len +2;
+ *data++ = 0x05;
+ memcpy(data, options->fqdn, len);
+ data += len;
+ }
}
}
}
#endif /* ! NO_DDP */
+ /* calculate/store Directory Services Names offset */
+ offset = htons(data - begin);
+ *servoffset += sizeof(offset);
+ memcpy(begin + *servoffset, &offset, sizeof(offset));
+
+ /* return length of buffer */
+ return (data - begin);
+}
+
+static size_t status_directorynames(char *data, int *diroffset,
+ const DSI *dsi _U_,
+ const struct afp_options *options)
+{
+ char *begin = data;
+ u_int16_t offset;
+ memcpy(&offset, data + *diroffset, sizeof(offset));
+ offset = ntohs(offset);
+ data += offset;
+
+ /* I can not find documentation of any other purpose for the
+ * DirectoryNames field.
+ */
+ /*
+ * Try to synthesize a principal:
+ * service '/' fqdn '@' realm
+ */
+ if (options->k5service && options->k5realm && options->fqdn) {
+ /* should k5princ be utf8 encoded? */
+ size_t len;
+ char *p = strchr( options->fqdn, ':' );
+ if (p)
+ *p = '\0';
+ len = strlen( options->k5service )
+ + strlen( options->fqdn )
+ + strlen( options->k5realm );
+ len+=2; /* '/' and '@' */
+ if ( len > 255 || len+2 > maxstatuslen - offset) {
+ *data++ = 0;
+ LOG ( log_error, logtype_afpd, "status: could not set directory service list, no more room");
+ }
+ else {
+ *data++ = 1; /* DirectoryNamesCount */
+ *data++ = len;
+ snprintf( data, len + 1, "%s/%s@%s", options->k5service,
+ options->fqdn, options->k5realm );
+ data += len;
+ if (p)
+ *p = ':';
+ }
+ } else {
+ *data++ = 0;
+ }
+
+ /* Calculate and store offset for UTF8ServerName */
+ *diroffset += sizeof(u_int16_t);
+ offset = htons(data - begin);
+ memcpy(begin + *diroffset, &offset, sizeof(u_int16_t));
+
+ /* return length of buffer */
+ return (data - begin);
+}
+
+static size_t status_utf8servername(char *data, int *nameoffset,
+ const DSI *dsi _U_,
+ const struct afp_options *options)
+{
+ char *Obj, *Type, *Zone;
+ u_int16_t namelen;
+ size_t len;
+ char *begin = data;
+ u_int16_t offset, status;
+
+ memcpy(&offset, data + *nameoffset, sizeof(offset));
+ offset = ntohs(offset);
+ data += offset;
+
+ /* FIXME:
+ * What is the valid character range for an nbpname?
+ *
+ * Apple's server likes to use the non-qualified hostname
+ * This obviously won't work very well if multiple servers are running
+ * on the box.
+ */
+
+ /* extract the obj part of the server */
+ Obj = (char *) (options->server ? options->server : options->hostname);
+ nbp_name(options->server ? options->server : options->hostname, &Obj, &Type, &Zone);
+
+ if ((size_t) -1 == (len = convert_string (
+ options->unixcharset, CH_UTF8_MAC,
+ Obj, -1, data+sizeof(namelen), maxstatuslen-offset )) ) {
+ LOG ( log_error, logtype_afpd, "Could not set utf8 servername");
+
+ /* set offset to 0 */
+ memset(begin + *nameoffset, 0, sizeof(offset));
+ data = begin + offset;
+ }
+ else {
+ namelen = htons(len);
+ memcpy( data, &namelen, sizeof(namelen));
+ data += sizeof(namelen);
+ data += len;
+ offset = htons(offset);
+ memcpy(begin + *nameoffset, &offset, sizeof(u_int16_t));
+ }
+
/* return length of buffer */
return (data - begin);
+
}
/* returns actual offset to signature */
-static void status_icon(char *data, const char *icondata,
+static void status_icon(char *data, const unsigned char *icondata,
const int iconlen, const int sigoffset)
{
char *start = data;
memcpy(sigdata, &ret, sizeof(ret));
}
+/* ---------------------
+ */
void status_init(AFPConfig *aspconfig, AFPConfig *dsiconfig,
const struct afp_options *options)
{
ASP asp;
DSI *dsi;
- char *status;
- int c, sigoff;
+ char *status = NULL;
+ size_t statuslen;
+ int c, sigoff, ipok;
if (!(aspconfig || dsiconfig) || !options)
return;
if (aspconfig) {
- asp = aspconfig->obj.handle;
status = aspconfig->status;
+ maxstatuslen=sizeof(aspconfig->status);
+ asp = aspconfig->obj.handle;
} else
asp = NULL;
-
+
+ ipok = 0;
if (dsiconfig) {
+ status = dsiconfig->status;
+ maxstatuslen=sizeof(dsiconfig->status);
dsi = dsiconfig->obj.handle;
- if (!aspconfig)
- status = dsiconfig->status;
+ if (dsi->server.ss_family == AF_INET) { /* IPv4 */
+ const struct sockaddr_in *sa4 = (struct sockaddr_in *)&dsi->server;
+ ipok = sa4->sin_addr.s_addr ? 1 : 0;
+ } else { /* IPv6 */
+ const struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)&dsi->server;
+ for (int i=0; i<16; i++) {
+ if (sa6->sin6_addr.s6_addr[i]) {
+ ipok = 1;
+ break;
+ }
+ }
+ }
} else
dsi = NULL;
* (16-bytes), network addresses, volume icon/mask
*/
- status_flags(status, options->fqdn ||
- (dsiconfig && dsi->server.sin_addr.s_addr),
- options->passwdbits);
+ status_flags(status,
+ options->server_notif,
+ (options->fqdn || ipok),
+ options->passwdbits,
+ (options->k5service && options->k5realm && options->fqdn),
+ options->flags);
/* returns offset to signature offset */
c = status_server(status, options->server ? options->server :
- options->hostname);
+ options->hostname, options);
status_machine(status);
- status_versions(status);
+ status_versions(status, asp, dsi);
status_uams(status, options->uamlist);
if (options->flags & OPTION_CUSTOMICON)
status_icon(status, icon, sizeof(icon), c);
else
status_icon(status, apple_atalk_icon, sizeof(apple_atalk_icon), c);
- sigoff = status_signature(status, &c, dsi, options->hostname);
+ sigoff = status_signature(status, &c, options);
+ /* c now contains the offset where the netaddress offset lives */
- /* returns length */
- c = status_netaddress(status, c, asp, dsi, options->fqdn);
+ status_netaddress(status, &c, asp, dsi, options);
+ /* c now contains the offset where the Directory Names Count offset lives */
+ statuslen = status_directorynames(status, &c, dsi, options);
+ /* c now contains the offset where the UTF-8 ServerName offset lives */
+
+ if ( statuslen < maxstatuslen)
+ statuslen = status_utf8servername(status, &c, dsi, options);
#ifndef NO_DDP
if (aspconfig) {
- asp_setstatus(asp, status, c);
+ if (dsiconfig) /* status is dsiconfig->status */
+ memcpy(aspconfig->status, status, statuslen);
+ asp_setstatus(asp, status, statuslen);
aspconfig->signature = status + sigoff;
- aspconfig->statuslen = c;
+ aspconfig->statuslen = statuslen;
}
#endif /* ! NO_DDP */
if (dsiconfig) {
- if (aspconfig) { /* copy to dsiconfig */
- memcpy(dsiconfig->status, status, ATP_MAXDATA);
- status = dsiconfig->status;
- }
-
if ((options->flags & OPTION_CUSTOMICON) == 0) {
status_icon(status, apple_tcp_icon, sizeof(apple_tcp_icon), 0);
}
- dsi_setstatus(dsi, status, c);
+ dsi_setstatus(dsi, status, statuslen);
dsiconfig->signature = status + sigoff;
- dsiconfig->statuslen = c;
+ dsiconfig->statuslen = statuslen;
+ }
+}
+
+/* set_signature() */
+/* */
+/* If found in conf file, use it. */
+/* If not found in conf file, genarate and append in conf file. */
+/* If conf file don't exist, create and genarate. */
+/* If cannot open conf file, use one-time signature. */
+/* If -signature user:xxxxx, use it. */
+
+void set_signature(struct afp_options *options) {
+ char *usersign;
+ int fd, i;
+ struct stat tmpstat;
+ char *servername_conf;
+ int header = 0;
+ char buf[1024], *p;
+ FILE *fp = NULL, *randomp;
+ size_t len;
+ char *server_tmp;
+
+ server_tmp = (options->server ? options->server : options->hostname);
+ if (strcmp(options->signatureopt, "auto") == 0) {
+ goto server_signature_auto; /* default */
+ } else if (strcmp(options->signatureopt, "host") == 0) {
+ LOG(log_warning, logtype_afpd, "WARNING: option \"-signature host\" is obsoleted. Switching back to auto.", options->signatureopt);
+ goto server_signature_auto; /* same as auto */
+ } else if (strncmp(options->signatureopt, "user", 4) == 0) {
+ goto server_signature_user; /* user string */
+ } else {
+ LOG(log_error, logtype_afpd, "ERROR: option \"-signature %s\" is not valid. Switching back to auto.", options->signatureopt);
+ goto server_signature_auto; /* switch back to auto*/
+ }
+
+server_signature_user:
+
+ /* Signature type is user string */
+ len = strlen(options->signatureopt);
+ if (len <= 5) {
+ LOG(log_warning, logtype_afpd, "WARNING: option \"-signature %s\" is not valid. Switching back to auto.", options->signatureopt);
+ goto server_signature_auto;
+ }
+ usersign = options->signatureopt + 5;
+ len = len - 5;
+ if (len > 16) {
+ LOG(log_warning, logtype_afpd, "WARNING: signature user string %s is very long !", usersign);
+ len = 16;
+ } else if (len >= 3) {
+ LOG(log_info, logtype_afpd, "signature user string is %s.", usersign);
+ } else {
+ LOG(log_warning, logtype_afpd, "WARNING: signature user string %s is very short !", usersign);
+ }
+ memset(options->signature, 0, 16);
+ memcpy(options->signature, usersign, len);
+ goto server_signature_done;
+
+server_signature_auto:
+
+ /* Signature type is auto, using afp_signature.conf */
+ if (!stat(options->sigconffile, &tmpstat)) { /* conf file exists? */
+ if ((fp = fopen(options->sigconffile, "r")) != NULL) { /* read open? */
+ /* scan in the conf file */
+ while (fgets(buf, sizeof(buf), fp) != NULL) {
+ p = buf;
+ while (p && isblank(*p))
+ p++;
+ if (!p || (*p == '#') || (*p == '\n'))
+ continue; /* invalid line */
+ if (*p == '"') {
+ p++;
+ if ((servername_conf = strtok( p, "\"" )) == NULL)
+ continue; /* syntax error: invalid quoted servername */
+ } else {
+ if ((servername_conf = strtok( p, " \t" )) == NULL)
+ continue; /* syntax error: invalid servername */
+ }
+ p = strchr(p, '\0');
+ p++;
+ if (*p == '\0')
+ continue; /* syntax error: missing signature */
+
+ if (strcmp(server_tmp, servername_conf))
+ continue; /* another servername */
+
+ while (p && isblank(*p))
+ p++;
+ if ( 16 == sscanf(p, "%2hhX%2hhX%2hhX%2hhX%2hhX%2hhX%2hhX%2hhX%2hhX%2hhX%2hhX%2hhX%2hhX%2hhX%2hhX%2hhX",
+ &options->signature[ 0], &options->signature[ 1],
+ &options->signature[ 2], &options->signature[ 3],
+ &options->signature[ 4], &options->signature[ 5],
+ &options->signature[ 6], &options->signature[ 7],
+ &options->signature[ 8], &options->signature[ 9],
+ &options->signature[10], &options->signature[11],
+ &options->signature[12], &options->signature[13],
+ &options->signature[14], &options->signature[15]
+ )) {
+ fclose(fp);
+ goto server_signature_done; /* found in conf file */
+ }
+ }
+ if ((fp = freopen(options->sigconffile, "a+", fp)) != NULL) { /* append because not found */
+ fseek(fp, 0L, SEEK_END);
+ if(ftell(fp) == 0) { /* size = 0 */
+ header = 1;
+ goto server_signature_random;
+ } else {
+ fseek(fp, -1L, SEEK_END);
+ if(fgetc(fp) != '\n') fputc('\n', fp); /* last char is \n? */
+ goto server_signature_random;
+ }
+ } else {
+ LOG(log_error, logtype_afpd, "ERROR: Cannot write in %s (%s). Using one-time signature.",
+ options->sigconffile, strerror(errno));
+ goto server_signature_random;
+ }
+ } else {
+ LOG(log_error, logtype_afpd, "ERROR: Cannot read %s (%s). Using one-time signature.",
+ options->sigconffile, strerror(errno));
+ goto server_signature_random;
+ }
+ } else { /* conf file don't exist */
+ if (( fd = creat(options->sigconffile, 0644 )) < 0 ) {
+ LOG(log_error, logtype_afpd, "ERROR: Cannot create %s (%s). Using one-time signature.",
+ options->sigconffile, strerror(errno));
+ goto server_signature_random;
+ }
+ if (( fp = fdopen( fd, "w" )) == NULL ) {
+ LOG(log_error, logtype_afpd, "ERROR: Cannot fdopen %s (%s). Using one-time signature.",
+ options->sigconffile, strerror(errno));
+ close(fd);
+ goto server_signature_random;
+ }
+ header = 1;
+ goto server_signature_random;
+ }
+
+server_signature_random:
+
+ /* generate signature from random number */
+ randombytes(options->signature, 16);
+
+ if (fp && header) { /* conf file is created or size=0 */
+ fprintf(fp, "# DON'T TOUCH NOR COPY THOUGHTLESSLY!\n");
+ fprintf(fp, "# This file is auto-generated by afpd.\n");
+ fprintf(fp, "# \n");
+ fprintf(fp, "# ServerSignature is unique identifier used to prevent logging on to\n");
+ fprintf(fp, "# the same server twice.\n");
+ fprintf(fp, "# \n");
+ fprintf(fp, "# If setting \"-signature user:xxxxx\" in afpd.conf, this file is not used.\n\n");
+ }
+
+ if (fp) {
+ fprintf(fp, "\"%s\"\t", server_tmp);
+ for (i=0 ; i<16 ; i++) {
+ fprintf(fp, "%02X", (options->signature)[i]);
+ }
+ fprintf(fp, "%s", "\n");
+ fclose(fp);
}
+
+server_signature_done:
+
+ /* retrun */
+ LOG(log_info, logtype_afpd,
+ " \"%s\"'s signature is %02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
+ server_tmp,
+ (options->signature)[ 0], (options->signature)[ 1],
+ (options->signature)[ 2], (options->signature)[ 3],
+ (options->signature)[ 4], (options->signature)[ 5],
+ (options->signature)[ 6], (options->signature)[ 7],
+ (options->signature)[ 8], (options->signature)[ 9],
+ (options->signature)[10], (options->signature)[11],
+ (options->signature)[12], (options->signature)[13],
+ (options->signature)[14], (options->signature)[15]);
+
+ return;
}
/* this is the same as asp/dsi_getstatus */
-int afp_getsrvrinfo(obj, ibuf, ibuflen, rbuf, rbuflen )
-AFPObj *obj;
-char *ibuf, *rbuf;
-int ibuflen, *rbuflen;
+int afp_getsrvrinfo(AFPObj *obj, char *ibuf _U_, size_t ibuflen _U_, char *rbuf, size_t *rbuflen)
{
AFPConfig *config = obj->config;
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