/*
- $Id: extattrs.c,v 1.2 2009-03-03 13:51:25 franklahm Exp $
+ $Id: extattrs.c,v 1.3 2009-08-31 14:50:46 franklahm Exp $
Copyright (c) 2009 Frank Lahm <franklahm@gmail.com>
This program is free software; you can redistribute it and/or modify
/* its a symlink and client requested O_NOFOLLOW */
LOG(log_debug, logtype_afpd, "getextattr_size(%s): encountered symlink with kXAttrNoFollow", uname);
- memset(rbuf, 0, 4);
+ memset(rbuf, 0, 4);
*rbuflen += 4;
return AFP_OK;
goto exit;
}
attrsize = (st.st_size > MAX_EA_SIZE) ? MAX_EA_SIZE : st.st_size;
-
+
/* Start building reply packet */
LOG(log_debug7, logtype_afpd, "getextattr_size(%s): attribute: \"%s\", size: %u", uname, attruname, attrsize);
/* its a symlink and client requested O_NOFOLLOW */
LOG(log_debug, logtype_afpd, "getextattr_content(%s): encountered symlink with kXAttrNoFollow", uname);
- memset(rbuf, 0, 4);
+ memset(rbuf, 0, 4);
*rbuflen += 4;
return AFP_OK;
/* Now list file attribute dir */
if ( -1 == (attrdirfd = attropen( uname, ".", O_RDONLY | oflag))) {
- if (errno == ELOOP) {
- /* its a symlink and client requested O_NOFOLLOW */
- ret = AFPERR_BADTYPE;
- goto exit;
- }
- LOG(log_error, logtype_afpd, "list_extattr(%s): error opening atttribute dir: %s", uname, strerror(errno));
- ret = AFPERR_MISC;
- goto exit;
+ if (errno == ELOOP) {
+ /* its a symlink and client requested O_NOFOLLOW */
+ ret = AFPERR_BADTYPE;
+ goto exit;
+ }
+ LOG(log_error, logtype_afpd, "list_extattr(%s): error opening atttribute dir: %s", uname, strerror(errno));
+ ret = AFPERR_MISC;
+ goto exit;
}
if (NULL == (dirp = fdopendir(attrdirfd))) {
- LOG(log_error, logtype_afpd, "list_extattr(%s): error opening atttribute dir: %s", uname, strerror(errno));
- ret = AFPERR_MISC;
- goto exit;
+ LOG(log_error, logtype_afpd, "list_extattr(%s): error opening atttribute dir: %s", uname, strerror(errno));
+ ret = AFPERR_MISC;
+ goto exit;
}
-
+
while ((dp = readdir(dirp))) {
- /* check if its "." or ".." */
- if ((strcmp(dp->d_name, ".") == 0) || (strcmp(dp->d_name, "..") == 0) ||
- (strcmp(dp->d_name, "SUNWattr_ro") == 0) || (strcmp(dp->d_name, "SUNWattr_rw") == 0))
- continue;
-
- len = strlen(dp->d_name);
-
- if ( 0 >= ( len = convert_string(obj->options.unixcharset, CH_UTF8_MAC, dp->d_name, len, attrnamebuf + attrbuflen, 255)) ) {
- ret = AFPERR_MISC;
- goto exit;
- }
- if (len == 255)
- /* convert_string didn't 0-terminate */
- attrnamebuf[attrbuflen + 255] = 0;
-
- LOG(log_debug7, logtype_afpd, "list_extattr(%s): attribute: %s", uname, dp->d_name);
-
- attrbuflen += len + 1;
- if (attrbuflen > (ATTRNAMEBUFSIZ - 256)) {
- /* Next EA name could overflow, so bail out with error.
- FIXME: evantually malloc/memcpy/realloc whatever.
- Is it worth it ? */
- LOG(log_warning, logtype_afpd, "list_extattr(%s): running out of buffer for EA names", uname);
- ret = AFPERR_MISC;
- goto exit;
- }
+ /* check if its "." or ".." */
+ if ((strcmp(dp->d_name, ".") == 0) || (strcmp(dp->d_name, "..") == 0) ||
+ (strcmp(dp->d_name, "SUNWattr_ro") == 0) || (strcmp(dp->d_name, "SUNWattr_rw") == 0))
+ continue;
+
+ len = strlen(dp->d_name);
+
+ if ( 0 >= ( len = convert_string(obj->options.unixcharset, CH_UTF8_MAC, dp->d_name, len, attrnamebuf + attrbuflen, 255)) ) {
+ ret = AFPERR_MISC;
+ goto exit;
+ }
+ if (len == 255)
+ /* convert_string didn't 0-terminate */
+ attrnamebuf[attrbuflen + 255] = 0;
+
+ LOG(log_debug7, logtype_afpd, "list_extattr(%s): attribute: %s", uname, dp->d_name);
+
+ attrbuflen += len + 1;
+ if (attrbuflen > (ATTRNAMEBUFSIZ - 256)) {
+ /* Next EA name could overflow, so bail out with error.
+ FIXME: evantually malloc/memcpy/realloc whatever.
+ Is it worth it ? */
+ LOG(log_warning, logtype_afpd, "list_extattr(%s): running out of buffer for EA names", uname);
+ ret = AFPERR_MISC;
+ goto exit;
+ }
}
ret = AFP_OK;
* Interface
****************************************/
-/*
- Note: we're being called twice. Firstly the client only want the size of all
- EA names, secondly it wants these names. In order to avoid scanning EAs twice
- we cache them in a static buffer.
- */
+/*
+ Note: we're being called twice. Firstly the client only want the size of all
+ EA names, secondly it wants these names. In order to avoid scanning EAs twice
+ we cache them in a static buffer.
+*/
int afp_listextattr(AFPObj *obj, char *ibuf, int ibuflen _U_, char *rbuf, int *rbuflen)
{
int count, ret, oflag = 0;
bitmap = ntohs( bitmap );
ibuf += 2;
- if (bitmap & kXAttrNoFollow)
- oflag = O_NOFOLLOW;
+ if (bitmap & kXAttrNoFollow)
+ oflag = O_NOFOLLOW;
/* Skip ReqCount, StartIndex and maxreply*/
ibuf += 10;
}
}
- /* Now check for Ressource fork and add virtual EA "com.apple.ResourceFork" if size > 0 */
- LOG(log_debug7, logtype_afpd, "afp_listextattr(%s): Ressourcefork size: %u", uname, adp->ad_eid[ADEID_RFORK].ade_len);
- if (adp->ad_eid[ADEID_RFORK].ade_len > 0) {
- LOG(log_debug7, logtype_afpd, "afp_listextattr(%s): sending com.apple.RessourceFork.", uname);
- strcpy(attrnamebuf + attrbuflen, ea_resourcefork);
- attrbuflen += strlen(ea_resourcefork) + 1;
- }
-
- ret = list_extattr(obj, attrnamebuf, &attrbuflen, uname, oflag);
- switch (ret) {
- case AFPERR_BADTYPE:
- /* its a symlink and client requested O_NOFOLLOW */
- LOG(log_debug, logtype_afpd, "afp_listextattr(%s): encountered symlink with kXAttrNoFollow", uname);
- attrbuflen = 0;
- buf_valid = 0;
- ret = AFP_OK;
- goto exit;
- case AFPERR_MISC:
- attrbuflen = 0;
- goto exit;
- default:
- buf_valid = 1;
- }
+ /* Now check for Ressource fork and add virtual EA "com.apple.ResourceFork" if size > 0 */
+ LOG(log_debug7, logtype_afpd, "afp_listextattr(%s): Ressourcefork size: %u", uname, adp->ad_eid[ADEID_RFORK].ade_len);
+ if (adp->ad_eid[ADEID_RFORK].ade_len > 0) {
+ LOG(log_debug7, logtype_afpd, "afp_listextattr(%s): sending com.apple.RessourceFork.", uname);
+ strcpy(attrnamebuf + attrbuflen, ea_resourcefork);
+ attrbuflen += strlen(ea_resourcefork) + 1;
+ }
+
+ ret = list_extattr(obj, attrnamebuf, &attrbuflen, uname, oflag);
+ switch (ret) {
+ case AFPERR_BADTYPE:
+ /* its a symlink and client requested O_NOFOLLOW */
+ LOG(log_debug, logtype_afpd, "afp_listextattr(%s): encountered symlink with kXAttrNoFollow", uname);
+ attrbuflen = 0;
+ buf_valid = 0;
+ ret = AFP_OK;
+ goto exit;
+ case AFPERR_MISC:
+ attrbuflen = 0;
+ goto exit;
+ default:
+ buf_valid = 1;
+ }
}
/* Start building reply packet */
exit:
if (ret != AFP_OK)
- buf_valid = 0;
+ buf_valid = 0;
if (adp)
ad_close_metadata( adp);
attrnamelen = ntohs(attrnamelen);
ibuf += 2;
if (attrnamelen > 255)
- /* dont fool with us */
- attrnamelen = 255;
+ /* dont fool with us */
+ attrnamelen = 255;
/* we must copy the name as its not 0-terminated and I DONT WANT TO WRITE to ibuf */
strncpy(attrmname, ibuf, attrnamelen);
/* Convert EA name in utf8 to unix charset */
if ( 0 >= ( attrnamelen = convert_string(CH_UTF8_MAC, obj->options.unixcharset,attrmname, attrnamelen, attruname, 255)) )
- return AFPERR_MISC;
+ return AFPERR_MISC;
if (attrnamelen == 255)
- /* convert_string didn't 0-terminate */
- attruname[255] = 0;
-
+ /* convert_string didn't 0-terminate */
+ attruname[255] = 0;
+
/* write bitmap now */
bitmap = htons(bitmap);
memcpy(rbuf, &bitmap, 2);
rbuf += 2;
*rbuflen += 2;
-
+
/*
Switch on maxreply:
if its 0 we must return the size of the requested attribute,
attrnamelen = ntohs(attrnamelen);
ibuf += 2;
if (attrnamelen > 255)
- return AFPERR_PARAM;
+ return AFPERR_PARAM;
/* we must copy the name as its not 0-terminated and we cant write to ibuf */
strncpy(attrmname, ibuf, attrnamelen);
/* Convert EA name in utf8 to unix charset */
if ( 0 >= ( attrnamelen = convert_string(CH_UTF8_MAC, obj->options.unixcharset,attrmname, attrnamelen, attruname, 255)) )
- return AFPERR_MISC;
+ return AFPERR_MISC;
if (attrnamelen == 255)
- /* convert_string didn't 0-terminate */
- attruname[255] = 0;
+ /* convert_string didn't 0-terminate */
+ attruname[255] = 0;
/* get EA size */
memcpy(&attrsize, ibuf, 4);
attrsize = ntohl(attrsize);
ibuf += 4;
if (attrsize > MAX_EA_SIZE)
- /* we arbitrarily make this fatal */
- return AFPERR_PARAM;
-
+ /* we arbitrarily make this fatal */
+ return AFPERR_PARAM;
+
LOG(log_debug, logtype_afpd, "afp_setextattr(%s): EA: %s, size: %u", s_path->u_name, attrmname, attrsize);
if ( -1 == (attrdirfd = attropen(s_path->u_name, attruname, oflag, 0666))) {
LOG(log_error, logtype_afpd, "afp_setextattr(%s): attropen error: %s", s_path->u_name, strerror(errno));
return AFPERR_MISC;
}
-
+
while (1) {
len = write(attrdirfd, ibuf, attrsize);
if (len == -1) {
attrnamelen = ntohs(attrnamelen);
ibuf += 2;
if (attrnamelen > 255)
- return AFPERR_PARAM;
+ return AFPERR_PARAM;
/* we must copy the name as its not 0-terminated and we cant write to ibuf */
strncpy(attrmname, ibuf, attrnamelen);
/* Convert EA name in utf8 to unix charset */
if ( 0 >= ( attrnamelen = convert_string(CH_UTF8_MAC, obj->options.unixcharset,attrmname, attrnamelen, attruname, 255)) )
- return AFPERR_MISC;
+ return AFPERR_MISC;
if (attrnamelen == 255)
- /* convert_string didn't 0-terminate */
- attruname[255] = 0;
+ /* convert_string didn't 0-terminate */
+ attruname[255] = 0;
LOG(log_debug, logtype_afpd, "afp_remextattr(%s): EA: %s", s_path->u_name, attrmname);
if ( -1 == (attrdirfd = attropen(s_path->u_name, ".", oflag))) {
- switch (errno) {
- case ELOOP:
+ switch (errno) {
+ case ELOOP:
/* its a symlink and client requested O_NOFOLLOW */
LOG(log_debug, logtype_afpd, "afp_remextattr(%s): encountered symlink with kXAttrNoFollow", s_path->u_name);
return AFP_OK;
- case EACCES:
- LOG(log_debug, logtype_afpd, "afp_remextattr(%s): unlinkat error: %s", s_path->u_name, strerror(errno));
- return AFPERR_ACCESS;
- default:
- LOG(log_error, logtype_afpd, "afp_remextattr(%s): attropen error: %s", s_path->u_name, strerror(errno));
- return AFPERR_MISC;
- }
+ case EACCES:
+ LOG(log_debug, logtype_afpd, "afp_remextattr(%s): unlinkat error: %s", s_path->u_name, strerror(errno));
+ return AFPERR_ACCESS;
+ default:
+ LOG(log_error, logtype_afpd, "afp_remextattr(%s): attropen error: %s", s_path->u_name, strerror(errno));
+ return AFPERR_MISC;
+ }
}
-
+
if ( -1 == (unlinkat(attrdirfd, attruname, 0)) ) {
- if (errno == EACCES) {
- LOG(log_debug, logtype_afpd, "afp_remextattr(%s): unlinkat error: %s", s_path->u_name, strerror(errno));
- return AFPERR_ACCESS;
- }
+ if (errno == EACCES) {
+ LOG(log_debug, logtype_afpd, "afp_remextattr(%s): unlinkat error: %s", s_path->u_name, strerror(errno));
+ return AFPERR_ACCESS;
+ }
LOG(log_error, logtype_afpd, "afp_remextattr(%s): unlinkat error: %s", s_path->u_name, strerror(errno));
- return AFPERR_MISC;
+ return AFPERR_MISC;
}
#ifdef DEBUG
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