/* Attr. encoding for ADDRESS node:
* | attr_t(2) attr_len(2) attr_val(2*x) | IS/CONTAINS/SUBDOMAIN_OF attr (NT)
*/
static inline int encode_address_attr(xmlNodePtr node, char *node_ptr, char *buf_end)
{
xmlAttrPtr attr;
char *p, *p_orig;
unsigned char *nr_attr;
str val;
nr_attr = &(NR_OF_ATTR(node_ptr));
*nr_attr = 0;
p = p_orig = ATTR_PTR(node_ptr);
FOR_ALL_ATTR(node,attr) {
(*nr_attr)++;
switch (attr->name[0]) {
case 'i': case 'I':
set_attr_type(p, IS_ATTR, buf_end, error);
break;
case 'c': case 'C':
set_attr_type(p, CONTAINS_ATTR, buf_end, error);
break;
case 's': case 'S':
set_attr_type(p, SUBDOMAIN_OF_ATTR, buf_end, error);
break;
default:
LOG(L_ERR,"ERROR:cpl_c:encode_address_attr: unknown attribute "
"<%s>\n",attr->name);
goto error;
}
/* get the value of the attribute */
get_attr_val( attr->name , val, error);
/* copy also the \0 from the end of string */
val.len++;
append_str_attr(p, val, buf_end, error);
}
/* UPDATED + CHECKED
*/
static inline char *run_sub( struct cpl_interpreter *intr )
{
char *p;
unsigned short offset;
unsigned short attr_name;
int i;
/* sanity check */
if (NR_OF_KIDS(intr->ip)!=0) {
LOG(L_ERR,"ERROR:cpl_c:run_sub: SUB node doesn't suppose to have any "
"sub-nodes. Found %d!\n",NR_OF_KIDS(intr->ip));
goto script_error;
}
/* check the number of attr */
i = NR_OF_ATTR( intr->ip );
if (i!=1) {
LOG(L_ERR,"ERROR:cpl_c:run_sub: incorrect nr. of attr. %d (<>1) in "
"SUB node\n",i);
goto script_error;
}
/* get attr's name */
p = ATTR_PTR(intr->ip);
get_basic_attr( p, attr_name, offset, intr, script_error);
if (attr_name!=REF_ATTR) {
LOG(L_ERR,"ERROR:cpl_c:run_sub: invalid attr. %d (expected %d)in "
"SUB node\n", attr_name, REF_ATTR);
goto script_error;
}
/* make the jump */
p = intr->ip - offset;
/* check the destination pointer -> are we still inside the buffer ;-) */
if (((char*)p)<intr->script.s) {
LOG(L_ERR,"ERROR:cpl_c:run_sub: jump offset lower than the script "
"beginning -> underflow!\n");
goto script_error;
}
check_overflow_by_ptr( p+SIMPLE_NODE_SIZE(intr->ip), intr, script_error);
/* check to see if we hit a subaction node */
if ( NODE_TYPE(p)!=SUBACTION_NODE ) {
LOG(L_ERR,"ERROR:cpl_c:run_sub: sub. jump hit a nonsubaction node!\n");
goto script_error;
}
if ( NR_OF_ATTR(p)!=0 ) {
LOG(L_ERR,"ERROR:cpl_c:run_sub: inavlid subaction node reached "
"(attrs=%d); expected (0)!\n",NR_OF_ATTR(p));
goto script_error;
}
return get_first_child(p);
script_error:
return CPL_SCRIPT_ERROR;
}
/* UPDATED + CHECKED
*/
static inline char *run_remove_location( struct cpl_interpreter *intr )
{
unsigned short attr_name;
unsigned short n;
char *p;
str url;
int i;
url.s = (char*)UNDEF_CHAR;
/* sanity check */
if (NR_OF_KIDS(intr->ip)>1) {
LOG(L_ERR,"ERROR:cpl_c:run_remove_location: REMOVE_LOCATION node "
"suppose to have max one child, not %d!\n",
NR_OF_KIDS(intr->ip));
goto script_error;
}
/* dirty hack to speed things up in when loc set is already empty */
if (intr->loc_set==0)
goto done;
for( i=NR_OF_ATTR(intr->ip),p=ATTR_PTR(intr->ip) ; i>0 ; i-- ) {
get_basic_attr(p,attr_name,n,intr,script_error);
switch (attr_name) {
case LOCATION_ATTR:
url.len = n;
get_str_attr( p, url.s, url.len, intr, script_error,1);
break;
default:
LOG(L_ERR,"ERROR:run_remove_location: unknown attribute "
"(%d) in REMOVE_LOCATION node\n",attr_name);
goto script_error;
}
}
if (url.s==(char*)UNDEF_CHAR) {
DBG("DEBUG:run_remove_location: remove all locs from loc_set\n");
empty_location_set( &(intr->loc_set) );
} else {
remove_location( &(intr->loc_set), url.s, url.len );
}
/* set the flag for modifing the location set */
intr->flags |= CPL_LOC_SET_MODIFIED;
done:
return get_first_child(intr->ip);
script_error:
return CPL_SCRIPT_ERROR;
}
int __component_getFcAttribute_delegate(const char *attributeName,
void **value, struct __component_AttributeDescriptors *desc,
void* component_ptr)
{
unsigned int i;
if ((attributeName == NULL) || (value == NULL)) {
return FRACTAL_API_INVALID_ARG;
}
for (i = 0; i < desc->nbAttributes; i++) {
if (strcmp(desc->attributeDesc[i].name, attributeName) == 0) {
/* copy attribute value into the out parameter. */
memcpy(value, ATTR_PTR(desc->attributeDesc[i].offset),
desc->attributeDesc[i].size);
return FRACTAL_API_OK;
}
}
return FRACTAL_API_NO_SUCH_ATTRIBUTE;
}
int __component_setFcAttribute_delegate(const char *attributeName, void *value,
struct __component_AttributeDescriptors *desc, void* component_ptr)
{
unsigned int i;
if (attributeName == NULL) {
return FRACTAL_API_INVALID_ARG;
}
for (i = 0; i < desc->nbAttributes; i++) {
if (strcmp(desc->attributeDesc[i].name, attributeName) == 0) {
/* copy given value into attribute value. The value of the set
attribute is passed by value (not by reference) that why the "value"
parameter is dereferenced (the "value" parameter does not point to the
value to set, the "value" parameter contains the value to set). */
memcpy(ATTR_PTR(desc->attributeDesc[i].offset), &value,
desc->attributeDesc[i].size);
return FRACTAL_API_OK;
}
}
return FRACTAL_API_NO_SUCH_ATTRIBUTE;
}
/* UPDATED + CHECKED
*/
static inline char *run_mail( struct cpl_interpreter *intr )
{
unsigned short attr_name;
unsigned short n;
char *p;
str subject = {0,0};
str body = {0,0};
str to = {0,0};
int i;
/* sanity check */
if (NR_OF_KIDS(intr->ip)>1) {
LM_ERR("MAIL node suppose to have max one"
" child, not %d!\n",NR_OF_KIDS(intr->ip));
goto script_error;
}
/* read the attributes of the MAIL node*/
for( i=NR_OF_ATTR(intr->ip),p=ATTR_PTR(intr->ip) ; i>0 ; i-- ) {
get_basic_attr(p, attr_name, n, intr, script_error);
switch (attr_name) {
case TO_ATTR:
get_str_attr(p, to.s, n, intr, script_error,0);
to.len = n;
break;
case SUBJECT_ATTR:
get_str_attr(p, subject.s, n, intr, script_error,0);
subject.len = n;
break;
case BODY_ATTR:
get_str_attr(p, body.s, n, intr, script_error,0);
body.len = n;
break;
default:
LM_ERR("unknown attribute (%d) in MAIL node\n",attr_name);
goto script_error;
}
}
if (to.len==0) {
LM_ERR("email has an empty TO hdr!\n");
goto script_error;
}
if (body.len==0 && subject.len==0) {
LM_WARN("I refuse to send email with no "
"body and no subject -> skipping...\n");
goto done;
}
/* duplicate the attrs in shm memory */
p = (char*)shm_malloc( to.len + subject.len + body.len );
if (!p) {
LM_ERR("no more shm memory!\n");
goto runtime_error;
}
/* copy the TO */
memcpy( p, to.s, to.len );
to.s = p;
p += to.len;
/* copy the subject */
if (subject.len) {
memcpy( p, subject.s, subject.len );
subject.s = p;
p += subject.len;
}
/* copy the body */
if (body.len) {
memcpy( p, body.s, body.len );
body.s = p;
p += body.len;
}
/* send the command */
write_cpl_cmd( CPL_MAIL_CMD, &to, &subject, &body);
done:
return get_first_child(intr->ip);
runtime_error:
return CPL_RUNTIME_ERROR;
script_error:
return CPL_SCRIPT_ERROR;
}
/* UPDATED + CHECKED
*/
static inline char *run_log( struct cpl_interpreter *intr )
{
char *p;
unsigned short attr_name;
unsigned short n;
str name = {0,0};
str comment = {0,0};
str user;
int i;
/* sanity check */
if (NR_OF_KIDS(intr->ip)>1) {
LM_ERR("LOG node suppose to have max one child"
", not %d!\n",NR_OF_KIDS(intr->ip));
goto script_error;
}
/* is logging enabled? */
if ( cpl_env.log_dir==0 )
goto done;
/* read the attributes of the LOG node*/
p = ATTR_PTR(intr->ip);
for( i=NR_OF_ATTR(intr->ip); i>0 ; i-- ) {
get_basic_attr( p, attr_name, n, intr, script_error);
switch (attr_name) {
case NAME_ATTR:
get_str_attr( p, name.s, n, intr, script_error,1);
name.len = n;
break;
case COMMENT_ATTR:
get_str_attr( p, comment.s, n, intr, script_error,1);
comment.len = n;
break;
default:
LM_ERR("unknown attribute "
"(%d) in LOG node\n",attr_name);
goto script_error;
}
}
if (comment.len==0) {
LM_NOTICE("LOG node has no comment attr -> skipping\n");
goto done;
}
user.len = intr->user.len + name.len + comment.len;
/* duplicate the attrs in shm memory */
user.s = p = (char*)shm_malloc( user.len );
if (!user.s) {
LM_ERR("no more shm memory!\n");
goto runtime_error;
}
/* copy the user name */
memcpy( p, intr->user.s, intr->user.len);
user.len = intr->user.len;
p += intr->user.len;
/* copy the log name */
if (name.len) {
memcpy( p, name.s, name.len );
name.s = p;
p += name.len;
}
/* copy the comment */
memcpy( p, comment.s, comment.len);
comment.s = p;
/* send the command */
write_cpl_cmd( CPL_LOG_CMD, &user, &name, &comment );
done:
return get_first_child(intr->ip);
runtime_error:
return CPL_RUNTIME_ERROR;
script_error:
return CPL_SCRIPT_ERROR;
}
/* UPDATED + CHECKED
*/
static inline char *run_redirect( struct cpl_interpreter *intr )
{
struct location *loc;
struct lump_rpl *lump;
unsigned short attr_name;
unsigned short permanent;
unsigned short n;
char *p;
str lump_str;
char *cp;
int i;
permanent = NO_VAL;
/* sanity check */
if (NR_OF_KIDS(intr->ip)!=0) {
LM_ERR("REDIRECT node doesn't suppose "
"to have any sub-nodes. Found %d!\n",NR_OF_KIDS(intr->ip));
goto script_error;
}
/* read the attributes of the REDIRECT node*/
for( i=NR_OF_ATTR(intr->ip),p=ATTR_PTR(intr->ip) ; i>0 ; i-- ) {
get_basic_attr( p, attr_name, n, intr, script_error);
switch (attr_name) {
case PERMANENT_ATTR:
if (n!=YES_VAL && n!=NO_VAL) {
LM_ERR("unsupported value (%d)"
" in attribute PERMANENT for REDIRECT node",n);
goto script_error;
}
permanent = n;
break;
default:
LM_ERR("unknown attribute "
"(%d) in REDIRECT node\n",attr_name);
goto script_error;
}
}
/* build the lump for Contact header */
lump_str.len = 9 /*"Contact: "*/;
for(loc=intr->loc_set;loc;loc=loc->next)
lump_str.len += 1/*"<"*/ + loc->addr.uri.len + 7/*">;q=x.x"*/ +
2*(loc->next!=0)/*" ,"*/;
lump_str.len += CRLF_LEN;
lump_str.s = pkg_malloc( lump_str.len );
if(!lump_str.s) {
LM_ERR("out of pkg memory!\n");
goto runtime_error;
}
cp = lump_str.s;
memcpy( cp , "Contact: " , 9);
cp += 9;
for(loc=intr->loc_set;loc;loc=loc->next) {
*(cp++) = '<';
memcpy(cp,loc->addr.uri.s,loc->addr.uri.len);
cp += loc->addr.uri.len;
memcpy(cp,">;q=",4);
cp += 4;
*(cp++) = (loc->addr.priority!=10)?'0':'1';
*(cp++) = '.';
*(cp++) = '0'+(loc->addr.priority%10);
if (loc->next) {
*(cp++) = ' ';
*(cp++) = ',';
}
}
memcpy(cp,CRLF,CRLF_LEN);
/* if still stateless and FORCE_STATEFUL set -> build the transaction */
if ( !(intr->flags&CPL_IS_STATEFUL) && intr->flags&CPL_FORCE_STATEFUL) {
i = cpl_fct.tmb.t_newtran( intr->msg );
if (i<0) {
LM_ERR("failed to build new transaction!\n");
pkg_free( lump_str.s );
goto runtime_error;
} else if (i==0) {
LM_ERR("processed INVITE is a retransmission!\n");
/* instead of generating an error is better just to break the
* script by returning EO_SCRIPT */
pkg_free( lump_str.s );
return EO_SCRIPT;
}
intr->flags |= CPL_IS_STATEFUL;
}
/* add the lump to the reply */
lump = add_lump_rpl( intr->msg, lump_str.s , lump_str.len , LUMP_RPL_HDR);
if(!lump) {
LM_ERR("unable to add lump_rpl! \n");
pkg_free( lump_str.s );
goto runtime_error;
}
/* send the reply */
if (permanent)
i = cpl_fct.slb.freply( intr->msg,301,&cpl_301_reason);
else
i = cpl_fct.slb.freply( intr->msg,302,&cpl_302_reason);
/* msg which I'm working on can be in private memory or is a clone into
* shared memory (if I'm after a failed proxy); So, it's better to removed
* by myself the lump that I added previously */
unlink_lump_rpl( intr->msg, lump);
free_lump_rpl( lump );
if (i!=1) {
LM_ERR("unable to send redirect reply!\n");
goto runtime_error;
}
return EO_SCRIPT;
runtime_error:
return CPL_RUNTIME_ERROR;
script_error:
return CPL_SCRIPT_ERROR;
}
/* UPDATED + CHECKED
*/
static inline char *run_reject( struct cpl_interpreter *intr )
{
unsigned short attr_name;
unsigned short status;
unsigned short n;
str reason;
char *p;
int i;
reason.s = (char*)UNDEF_CHAR;
status = UNDEF_CHAR;
/* sanity check */
if (NR_OF_KIDS(intr->ip)!=0) {
LM_ERR("REJECT node doesn't suppose to have "
"any sub-nodes. Found %d!\n",NR_OF_KIDS(intr->ip));
goto script_error;
}
for( i=NR_OF_ATTR(intr->ip),p=ATTR_PTR(intr->ip) ; i>0 ; i-- ) {
get_basic_attr( p, attr_name, n, intr, script_error);
switch (attr_name) {
case STATUS_ATTR:
status = n;
break;
case REASON_ATTR:
reason.len = n;
get_str_attr( p, reason.s, reason.len, intr, script_error,1);
break;
default:
LM_ERR("unknown attribute "
"(%d) in REJECT node\n",attr_name);
goto script_error;
}
}
if (status==UNDEF_CHAR) {
LM_ERR("mandatory attribute STATUS not found\n");
goto script_error;
}
if (status<400 || status>=700) {
LM_ERR("bad attribute STATUS (%d)\n",status);
goto script_error;
}
if (reason.s==(char*)UNDEF_CHAR ) {
switch (status) {
case 486:
reason.s = "Busy Here";
reason.len = 9;
break;
case 404:
reason.s = "Not Found";
reason.len = 9;
break;
case 603:
reason.s = "Decline";
reason.len = 7;
break;
case 500:
reason.s = "Internal Server Error";
reason.len = 21;
break;
default:
reason.s = "Generic Error";
reason.len = 13;
}
}
/* if still stateless and FORCE_STATEFUL set -> build the transaction */
if ( !(intr->flags&CPL_IS_STATEFUL) && intr->flags&CPL_FORCE_STATEFUL) {
i = cpl_fct.tmb.t_newtran( intr->msg );
if (i<0) {
LM_ERR("failed to build new transaction!\n");
goto runtime_error;
} else if (i==0) {
LM_ERR(" processed INVITE is a retransmission!\n");
/* instead of generating an error is better just to break the
* script by returning EO_SCRIPT */
return EO_SCRIPT;
}
intr->flags |= CPL_IS_STATEFUL;
}
/* send the reply */
i = cpl_fct.slb.freply(intr->msg, (int)status, &reason );
if ( i!=1 ) {
LM_ERR("unable to send reject reply!\n");
goto runtime_error;
}
return EO_SCRIPT;
runtime_error:
return CPL_RUNTIME_ERROR;
script_error:
return CPL_SCRIPT_ERROR;
}
/* UPDATED + CHECKED
*/
static inline char *run_location( struct cpl_interpreter *intr )
{
unsigned short attr_name;
unsigned short n;
char *p;
unsigned char prio;
unsigned char clear;
str url;
int i;
clear = NO_VAL;
prio = 10;
url.s = (char*)UNDEF_CHAR;
url.len = 0;
/* sanity check */
if (NR_OF_KIDS(intr->ip)>1) {
LM_ERR("LOCATION node suppose to have max "
"one child, not %d!\n",NR_OF_KIDS(intr->ip));
goto script_error;
}
for( i=NR_OF_ATTR(intr->ip),p=ATTR_PTR(intr->ip) ; i>0 ; i-- ) {
get_basic_attr(p,attr_name,n,intr,script_error);
switch (attr_name) {
case URL_ATTR:
url.len = n;
get_str_attr( p, url.s, url.len, intr, script_error,1);
break;
case PRIORITY_ATTR:
if ( n>10)
LM_WARN("invalid value (%u) found"
" for param. PRIORITY in LOCATION node -> using "
"default (%u)!\n",n,prio);
else
prio = n;
break;
case CLEAR_ATTR:
if (n!=YES_VAL && n!=NO_VAL)
LM_WARN("invalid value (%u) found"
" for param. CLEAR in LOCATION node -> using "
"default (%u)!\n",n,clear);
else
clear = n;
break;
default:
LM_ERR("unknown attribute (%d) in "
"LOCATION node\n",attr_name);
goto script_error;
}
}
if (url.s==(char*)UNDEF_CHAR) {
LM_ERR("param. URL missing in LOCATION node\n");
goto script_error;
}
if (clear)
empty_location_set( &(intr->loc_set) );
if (add_location( &(intr->loc_set), &url, 0, prio, 0/*no dup*/ )==-1) {
LM_ERR("unable to add location to set :-(\n");
goto runtime_error;
}
/* set the flag for modifying the location set */
intr->flags |= CPL_LOC_SET_MODIFIED;
return get_first_child(intr->ip);
runtime_error:
return CPL_RUNTIME_ERROR;
script_error:
return CPL_SCRIPT_ERROR;
}
/* UPDATED + CHECKED
*/
static inline char *run_lookup( struct cpl_interpreter *intr )
{
unsigned short attr_name;
unsigned short n;
unsigned char clear;
char *p;
char *kid;
char *failure_kid = 0;
char *success_kid = 0;
char *notfound_kid = 0;
int i;
time_t tc;
urecord_t* r;
ucontact_t* contact;
clear = NO_VAL;
/* check the params */
for( i=NR_OF_ATTR(intr->ip),p=ATTR_PTR(intr->ip) ; i>0 ; i-- ) {
get_basic_attr(p,attr_name,n,intr,script_error);
switch (attr_name) {
case CLEAR_ATTR:
if (n!=YES_VAL && n!=NO_VAL)
LM_WARN("invalid value (%u) found"
" for param. CLEAR in LOOKUP node -> using "
"default (%u)!\n",n,clear);
else
clear = n;
break;
default:
LM_ERR("unknown attribute (%d) in LOOKUP node\n",attr_name);
goto script_error;
}
}
/* check the kids */
for( i=0 ; i<NR_OF_KIDS(intr->ip) ; i++ ) {
kid = intr->ip + KID_OFFSET(intr->ip,i);
check_overflow_by_ptr( kid+SIMPLE_NODE_SIZE(kid), intr, script_error);
switch ( NODE_TYPE(kid) ) {
case SUCCESS_NODE :
success_kid = kid;
break;
case NOTFOUND_NODE:
notfound_kid = kid;
break;
case FAILURE_NODE:
failure_kid = kid;
break;
default:
LM_ERR("unknown output node type"
" (%d) for LOOKUP node\n",NODE_TYPE(kid));
goto script_error;
}
}
kid = failure_kid;
if (cpl_env.lu_domain) {
/* fetch user's contacts via usrloc */
tc = time(0);
cpl_fct.ulb.lock_udomain( cpl_env.lu_domain, &intr->user );
i = cpl_fct.ulb.get_urecord( cpl_env.lu_domain, &intr->user, &r);
if (i < 0) {
/* failure */
LM_ERR("failed to query usrloc\n");
cpl_fct.ulb.unlock_udomain( cpl_env.lu_domain, &intr->user );
} else if (i > 0) {
/* not found */
LM_DBG("'%.*s' Not found in usrloc\n",
intr->user.len, intr->user.s);
cpl_fct.ulb.unlock_udomain( cpl_env.lu_domain, &intr->user );
kid = notfound_kid;
} else {
contact = r->contacts;
/* skip expired contacts */
while ((contact) && (contact->expires <= tc))
contact = contact->next;
/* any contacts left? */
if (contact) {
/* clear loc set if requested */
if (clear)
empty_location_set( &(intr->loc_set) );
/* start adding locations to set */
do {
LM_DBG("adding <%.*s>q=%d\n",
contact->c.len,contact->c.s,(int)(10*contact->q));
if (add_location( &(intr->loc_set), &contact->c,
&contact->received, (int)(10*contact->q),
CPL_LOC_DUPL|
((contact->cflags&cpl_fct.ulb.nat_flag)?CPL_LOC_NATED:0)
)==-1) {
LM_ERR("unable to add location to set :-(\n");
cpl_fct.ulb.unlock_udomain( cpl_env.lu_domain, &intr->user );
goto runtime_error;
}
contact = contact->next;
}while( contact && cpl_env.lu_append_branches);
/* set the flag for modifying the location set */
intr->flags |= CPL_LOC_SET_MODIFIED;
/* we found a valid contact */
kid = success_kid;
} else {
/* no valid contact found */
kid = notfound_kid;
}
cpl_fct.ulb.unlock_udomain( cpl_env.lu_domain, &intr->user );
}
}
if (kid)
return get_first_child(kid);
return DEFAULT_ACTION;
runtime_error:
return CPL_RUNTIME_ERROR;
script_error:
return CPL_SCRIPT_ERROR;
}
}
mutex_lock(&ctx->lock);
ctx->count = req;
mutex_unlock(&ctx->lock);
pr_debug("count = %d\n", ctx->count);
return count;
}
static DEVICE_ATTR(data, S_IRUGO | S_IWUGO,
sysfs_sample_show, sysfs_sample_store);
static struct device_attribute *attrs[] = {
ATTR_PTR(data),
};
/*****************************************************************************/
static int sysfs_sample_probe(struct platform_device *pdev)
{
int i;
int ret;
struct context *ctx;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
mutex_init(&ctx->lock);
ctx->count = 1; /* default count */
