owl_variable * owl_variable_newvar(char *name, char *summary, char * description) {
owl_variable * var = (owl_variable*)owl_malloc(sizeof(owl_variable));
memset(var, 0, sizeof(owl_variable));
var->name = owl_strdup(name);
var->summary = owl_strdup(summary);
var->description = owl_strdup(description);
return var;
}
int owl_zephyr_loadloginsubs(char *filename)
{
#ifdef HAVE_LIBZEPHYR
FILE *file;
ZSubscription_t *subs;
int numSubs = 100;
char subsfile[1024], buffer[1024];
int count, ret;
struct stat statbuff;
subs = owl_malloc(numSubs * sizeof(ZSubscription_t));
if (filename==NULL) {
sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".anyone");
} else {
strcpy(subsfile, filename);
}
ret=stat(subsfile, &statbuff);
if (ret) return(0);
ret=0;
ZResetAuthentication();
count=0;
file=fopen(subsfile, "r");
if (file) {
while ( fgets(buffer, 1024, file)!=NULL ) {
if (buffer[0]=='#' || buffer[0]=='\n' || buffer[0]=='\n') continue;
if (count == numSubs) {
numSubs *= 2;
subs = owl_realloc(subs, numSubs * sizeof(ZSubscription_t));
}
buffer[strlen(buffer)-1]='\0';
subs[count].zsub_class=owl_strdup("login");
subs[count].zsub_recipient=owl_strdup("*");
if (strchr(buffer, '@')) {
subs[count].zsub_classinst=owl_strdup(buffer);
} else {
subs[count].zsub_classinst=owl_sprintf("%s@%s", buffer, ZGetRealm());
}
count++;
}
fclose(file);
} else {
count=0;
ret=-1;
}
ret = owl_zephyr_loadsubs_helper(subs, count);
return(ret);
#else
return(0);
#endif
}
int owl_variable_string_set_default(owl_variable *v, void *newval) {
if (v->validate_fn) {
if (!v->validate_fn(v, newval)) return(-1);
}
if (v->val) owl_free(v->val);
v->val = owl_strdup(newval);
return(0);
}
void owl_variable_dict_newvar_string(owl_vardict * vd, char *name, char *summ, char * desc, char * initval) {
owl_variable *old = owl_variable_get_var(vd, name, OWL_VARIABLE_STRING);
if(old) {
owl_variable_update(old, summ, desc);
if(old->pval_default) owl_free(old->pval_default);
old->pval_default = owl_strdup(initval);
} else {
owl_variable * var = owl_variable_newvar(name, summ, desc);
var->type = OWL_VARIABLE_STRING;
var->pval_default = owl_strdup(initval);
var->set_fn = owl_variable_string_set_default;
var->set_fromstring_fn = owl_variable_string_set_fromstring_default;
var->get_fn = owl_variable_get_default;
var->get_tostring_fn = owl_variable_string_get_tostring_default;
var->free_fn = owl_variable_free_default;
var->set_fn(var, initval);
owl_variable_dict_add_variable(vd, var);
}
}
/* Load default Barnowl subscriptions
*
* Returns 0 on success.
* Return -2 if there is a failure from zephyr to load the subscriptions.
*/
int owl_zephyr_loadbarnowldefaultsubs()
{
#ifdef HAVE_LIBZEPHYR
ZSubscription_t *subs;
int subSize = 10; /* Max Barnowl default subs we allow */
int count, ret;
subs = owl_malloc(sizeof(ZSubscription_t) * subSize);
ret = 0;
ZResetAuthentication();
count=0;
subs[count].zsub_class=owl_strdup("message");
subs[count].zsub_classinst=owl_strdup("*");
subs[count].zsub_recipient=owl_strdup("%me%");
count++;
ret = owl_zephyr_loadsubs_helper(subs, count);
return(ret);
#else
return(0);
#endif
}
/* Calls a method on a perl object representing a message.
If the return value is non-null, the caller must free it.
*/
char * owl_perlconfig_message_call_method(const owl_message *m, const char *method, int argc, const char ** argv)
{
dSP;
unsigned int count, i;
SV *msgref, *srv;
char *out;
msgref = owl_perlconfig_message2hashref(m);
ENTER;
SAVETMPS;
PUSHMARK(SP);
XPUSHs(sv_2mortal(msgref));
for(i=0;i<argc;i++) {
XPUSHs(sv_2mortal(owl_new_sv(argv[i])));
}
PUTBACK;
count = call_method(method, G_SCALAR|G_EVAL);
SPAGAIN;
if(count != 1) {
fprintf(stderr, "perl returned wrong count %u\n", count);
abort();
}
if (SvTRUE(ERRSV)) {
owl_function_error("Error: '%s'", SvPV_nolen(ERRSV));
/* and clear the error */
sv_setsv (ERRSV, &PL_sv_undef);
}
srv = POPs;
if (srv) {
out = owl_strdup(SvPV_nolen(srv));
} else {
out = NULL;
}
PUTBACK;
FREETMPS;
LEAVE;
return out;
}
/* Calls in a scalar context, passing it a hash reference.
If return value is non-null, caller must free. */
char *owl_perlconfig_call_with_message(const char *subname, const owl_message *m)
{
dSP ;
int count;
SV *msgref, *srv;
char *out;
ENTER ;
SAVETMPS;
PUSHMARK(SP) ;
msgref = owl_perlconfig_message2hashref(m);
XPUSHs(sv_2mortal(msgref));
PUTBACK ;
count = call_pv(subname, G_SCALAR|G_EVAL);
SPAGAIN ;
if (SvTRUE(ERRSV)) {
owl_function_error("Perl Error: '%s'", SvPV_nolen(ERRSV));
/* and clear the error */
sv_setsv (ERRSV, &PL_sv_undef);
}
if (count != 1) {
fprintf(stderr, "bad perl! no biscuit! returned wrong count!\n");
abort();
}
srv = POPs;
if (srv) {
out = owl_strdup(SvPV_nolen(srv));
} else {
out = NULL;
}
PUTBACK ;
FREETMPS ;
LEAVE ;
return out;
}
char *owl_perlconfig_perlcmd(const owl_cmd *cmd, int argc, const char *const *argv)
{
int i, count;
char * ret = NULL;
SV *rv;
dSP;
ENTER;
SAVETMPS;
PUSHMARK(SP);
for(i=0;i<argc;i++) {
XPUSHs(sv_2mortal(owl_new_sv(argv[i])));
}
PUTBACK;
count = call_sv(cmd->cmd_perl, G_SCALAR|G_EVAL);
SPAGAIN;
if(SvTRUE(ERRSV)) {
owl_function_error("%s", SvPV_nolen(ERRSV));
(void)POPs;
} else {
if(count != 1)
croak("Perl command %s returned more than one value!", cmd->name);
rv = POPs;
if(SvTRUE(rv)) {
ret = owl_strdup(SvPV_nolen(rv));
}
}
FREETMPS;
LEAVE;
return ret;
}
/* caller is responsible for freeing returned string */
char *owl_perlconfig_execute(const char *line)
{
STRLEN len;
SV *response;
char *out;
if (!owl_global_have_config(&g)) return NULL;
ENTER;
SAVETMPS;
/* execute the subroutine */
response = eval_pv(line, FALSE);
if (SvTRUE(ERRSV)) {
owl_function_error("Perl Error: '%s'", SvPV_nolen(ERRSV));
sv_setsv (ERRSV, &PL_sv_undef); /* and clear the error */
}
out = owl_strdup(SvPV(response, len));
FREETMPS;
LEAVE;
return(out);
}
void owl_variable_update(owl_variable *var, char *summary, char *desc) {
if(var->summary) owl_free(var->summary);
var->summary = owl_strdup(summary);
if(var->description) owl_free(var->description);
var->description = owl_strdup(desc);
}
/* Load zephyr subscriptions from 'filename'. If 'filename' is NULL,
* the default file $HOME/.zephyr.subs will be used.
*
* Returns 0 on success. If the file does not exist, return -1 if
* 'error_on_nofile' is 1, otherwise return 0. Return -1 if the file
* exists but can not be read. Return -2 if there is a failure from
* zephyr to load the subscriptions.
*/
int owl_zephyr_loadsubs(char *filename, int error_on_nofile)
{
#ifdef HAVE_LIBZEPHYR
FILE *file;
char *tmp, *start;
char buffer[1024], subsfile[1024];
ZSubscription_t *subs;
int subSize = 1024;
int count, ret;
struct stat statbuff;
subs = owl_malloc(sizeof(ZSubscription_t) * subSize);
if (filename==NULL) {
sprintf(subsfile, "%s/%s", owl_global_get_homedir(&g), ".zephyr.subs");
} else {
strcpy(subsfile, filename);
}
ret=stat(subsfile, &statbuff);
if (ret) {
if (error_on_nofile==1) return(-1);
return(0);
}
ZResetAuthentication();
count=0;
file=fopen(subsfile, "r");
if (!file) return(-1);
while ( fgets(buffer, 1024, file)!=NULL ) {
if (buffer[0]=='#' || buffer[0]=='\n' || buffer[0]=='\n') continue;
if (buffer[0]=='-') {
start=buffer+1;
} else {
start=buffer;
}
if (count >= subSize) {
subSize *= 2;
subs = owl_realloc(subs, sizeof(ZSubscription_t) * subSize);
}
/* add it to the list of subs */
if ((tmp=(char *) strtok(start, ",\n\r"))==NULL) continue;
subs[count].zsub_class=owl_strdup(tmp);
if ((tmp=(char *) strtok(NULL, ",\n\r"))==NULL) continue;
subs[count].zsub_classinst=owl_strdup(tmp);
if ((tmp=(char *) strtok(NULL, " \t\n\r"))==NULL) continue;
subs[count].zsub_recipient=owl_strdup(tmp);
/* if it started with '-' then add it to the global punt list, and
* remove it from the list of subs. */
if (buffer[0]=='-') {
owl_function_zpunt(subs[count].zsub_class, subs[count].zsub_classinst, subs[count].zsub_recipient, 0);
owl_free(subs[count].zsub_class);
owl_free(subs[count].zsub_classinst);
owl_free(subs[count].zsub_recipient);
}
else {
count++;
}
}
fclose(file);
ret = owl_zephyr_loadsubs_helper(subs, count);
return(ret);
#else
return(0);
#endif
}
void owl_buddy_create(owl_buddy *b, int proto, const char *name)
{
b->proto=proto;
b->name=owl_strdup(name);
b->idlesince=0;
}
SV *owl_perlconfig_message2hashref(const owl_message *m)
{
HV *h, *stash;
SV *hr;
const char *type;
char *ptr, *utype, *blessas;
int i, j;
const owl_pair *pair;
const owl_filter *wrap;
if (!m) return &PL_sv_undef;
wrap = owl_global_get_filter(&g, "wordwrap");
if(!wrap) {
owl_function_error("wrap filter is not defined");
return &PL_sv_undef;
}
h = newHV();
#define MSG2H(h,field) (void)hv_store(h, #field, strlen(#field), \
owl_new_sv(owl_message_get_##field(m)), 0)
if (owl_message_is_type_zephyr(m)
&& owl_message_is_direction_in(m)) {
/* Handle zephyr-specific fields... */
AV *av_zfields;
av_zfields = newAV();
j=owl_zephyr_get_num_fields(owl_message_get_notice(m));
for (i=0; i<j; i++) {
ptr=owl_zephyr_get_field_as_utf8(owl_message_get_notice(m), i+1);
av_push(av_zfields, owl_new_sv(ptr));
owl_free(ptr);
}
(void)hv_store(h, "fields", strlen("fields"), newRV_noinc((SV*)av_zfields), 0);
(void)hv_store(h, "auth", strlen("auth"),
owl_new_sv(owl_zephyr_get_authstr(owl_message_get_notice(m))),0);
}
j=owl_list_get_size(&(m->attributes));
for(i=0; i<j; i++) {
pair=owl_list_get_element(&(m->attributes), i);
(void)hv_store(h, owl_pair_get_key(pair), strlen(owl_pair_get_key(pair)),
owl_new_sv(owl_pair_get_value(pair)),0);
}
MSG2H(h, type);
MSG2H(h, direction);
MSG2H(h, class);
MSG2H(h, instance);
MSG2H(h, sender);
MSG2H(h, realm);
MSG2H(h, recipient);
MSG2H(h, opcode);
MSG2H(h, hostname);
MSG2H(h, body);
MSG2H(h, login);
MSG2H(h, zsig);
MSG2H(h, zwriteline);
if (owl_message_get_header(m)) {
MSG2H(h, header);
}
(void)hv_store(h, "time", strlen("time"), owl_new_sv(owl_message_get_timestr(m)),0);
(void)hv_store(h, "unix_time", strlen("unix_time"), newSViv(m->time), 0);
(void)hv_store(h, "id", strlen("id"), newSViv(owl_message_get_id(m)),0);
(void)hv_store(h, "deleted", strlen("deleted"), newSViv(owl_message_is_delete(m)),0);
(void)hv_store(h, "private", strlen("private"), newSViv(owl_message_is_private(m)),0);
(void)hv_store(h, "should_wordwrap",
strlen("should_wordwrap"), newSViv(
owl_filter_message_match(wrap, m)),0);
type = owl_message_get_type(m);
if(!type || !*type) type = "generic";
utype = owl_strdup(type);
utype[0] = toupper(type[0]);
blessas = owl_sprintf("BarnOwl::Message::%s", utype);
hr = newRV_noinc((SV*)h);
stash = gv_stashpv(blessas,0);
if(!stash) {
owl_function_error("No such class: %s for message type %s", blessas, owl_message_get_type(m));
stash = gv_stashpv("BarnOwl::Message", 1);
}
hr = sv_bless(hr,stash);
owl_free(utype);
owl_free(blessas);
return hr;
}
char *owl_perlconfig_initperl(const char * file, int *Pargc, char ***Pargv, char *** Penv)
{
int ret;
PerlInterpreter *p;
char *err;
const char *args[4] = {"", "-e", "0;", NULL};
AV *inc;
char *path;
/* create and initialize interpreter */
PERL_SYS_INIT3(Pargc, Pargv, Penv);
p=perl_alloc();
owl_global_set_perlinterp(&g, p);
perl_construct(p);
PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
owl_global_set_no_have_config(&g);
ret=perl_parse(p, owl_perl_xs_init, 2, (char **)args, NULL);
if (ret || SvTRUE(ERRSV)) {
err=owl_strdup(SvPV_nolen(ERRSV));
sv_setsv(ERRSV, &PL_sv_undef); /* and clear the error */
return(err);
}
ret=perl_run(p);
if (ret || SvTRUE(ERRSV)) {
err=owl_strdup(SvPV_nolen(ERRSV));
sv_setsv(ERRSV, &PL_sv_undef); /* and clear the error */
return(err);
}
owl_global_set_have_config(&g);
/* create legacy variables */
get_sv("BarnOwl::id", TRUE);
get_sv("BarnOwl::class", TRUE);
get_sv("BarnOwl::instance", TRUE);
get_sv("BarnOwl::recipient", TRUE);
get_sv("BarnOwl::sender", TRUE);
get_sv("BarnOwl::realm", TRUE);
get_sv("BarnOwl::opcode", TRUE);
get_sv("BarnOwl::zsig", TRUE);
get_sv("BarnOwl::msg", TRUE);
get_sv("BarnOwl::time", TRUE);
get_sv("BarnOwl::host", TRUE);
get_av("BarnOwl::fields", TRUE);
if(file) {
SV * cfg = get_sv("BarnOwl::configfile", TRUE);
sv_setpv(cfg, file);
}
/* Add the system lib path to @INC */
inc = get_av("INC", 0);
path = owl_sprintf("%s/lib", owl_get_datadir());
av_unshift(inc, 1);
av_store(inc, 0, owl_new_sv(path));
owl_free(path);
eval_pv("use BarnOwl;", FALSE);
if (SvTRUE(ERRSV)) {
err=owl_strdup(SvPV_nolen(ERRSV));
sv_setsv (ERRSV, &PL_sv_undef); /* and clear the error */
return(err);
}
/* check if we have the formatting function */
if (owl_perlconfig_is_function("BarnOwl::format_msg")) {
owl_global_set_config_format(&g, 1);
}
return(NULL);
}
/* XXX TODO: Messages should round-trip properly between
message2hashref and hashref2message. Currently we lose
zephyr-specific properties stored in the ZNotice_t
This has been somewhat addressed, but is still not lossless.
*/
owl_message * owl_perlconfig_hashref2message(SV *msg)
{
owl_message * m;
HE * ent;
I32 count, len;
const char *key,*val;
HV * hash;
struct tm tm;
hash = (HV*)SvRV(msg);
m = owl_malloc(sizeof(owl_message));
owl_message_init(m);
count = hv_iterinit(hash);
while((ent = hv_iternext(hash))) {
key = hv_iterkey(ent, &len);
val = SvPV_nolen(hv_iterval(hash, ent));
if(!strcmp(key, "type")) {
owl_message_set_type(m, val);
} else if(!strcmp(key, "direction")) {
owl_message_set_direction(m, owl_message_parse_direction(val));
} else if(!strcmp(key, "private")) {
SV * v = hv_iterval(hash, ent);
if(SvTRUE(v)) {
owl_message_set_isprivate(m);
}
} else if (!strcmp(key, "hostname")) {
owl_message_set_hostname(m, val);
} else if (!strcmp(key, "zwriteline")) {
owl_message_set_zwriteline(m, val);
} else if (!strcmp(key, "time")) {
m->timestr = owl_strdup(val);
strptime(val, "%a %b %d %T %Y", &tm);
m->time = mktime(&tm);
} else {
owl_message_set_attribute(m, key, val);
}
}
if(owl_message_is_type_admin(m)) {
if(!owl_message_get_attribute_value(m, "adminheader"))
owl_message_set_attribute(m, "adminheader", "");
}
#ifdef HAVE_LIBZEPHYR
if (owl_message_is_type_zephyr(m)) {
ZNotice_t *n = &(m->notice);
n->z_kind = ACKED;
n->z_port = 0;
n->z_auth = ZAUTH_NO;
n->z_checked_auth = 0;
n->z_class = zstr(owl_message_get_class(m));
n->z_class_inst = zstr(owl_message_get_instance(m));
n->z_opcode = zstr(owl_message_get_opcode(m));
n->z_sender = zstr(owl_message_get_sender(m));
n->z_recipient = zstr(owl_message_get_recipient(m));
n->z_default_format = zstr("[zephyr created from perl]");
n->z_multinotice = zstr("[zephyr created from perl]");
n->z_num_other_fields = 0;
n->z_message = owl_sprintf("%s%c%s", owl_message_get_zsig(m), '\0', owl_message_get_body(m));
n->z_message_len = strlen(owl_message_get_zsig(m)) + strlen(owl_message_get_body(m)) + 1;
}
#endif
return m;
}
