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#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <string.h>
#include "owl.h"
#ifdef HAVE_LIBZEPHYR
static GList *deferred_subs = NULL;
typedef struct _owl_sub_list { /* noproto */
ZSubscription_t *subs;
int nsubs;
} owl_sub_list;
Code_t ZResetAuthentication(void);
#endif
#define HM_SVC_FALLBACK htons((unsigned short) 2104)
static char *owl_zephyr_dotfile(const char *name, const char *input)
{
if (input != NULL)
return owl_strdup(input);
else
return owl_sprintf("%s/%s", owl_global_get_homedir(&g), name);
}
#ifdef HAVE_LIBZEPHYR
void owl_zephyr_initialize(void)
{
int ret;
struct servent *sp;
struct sockaddr_in sin;
ZNotice_t req;
Code_t code;
/*
* Code modified from libzephyr's ZhmStat.c
*
* Modified to add the fd to our select loop, rather than hanging
* until we get an ack.
*/
if ((ret = ZOpenPort(NULL)) != ZERR_NONE) {
owl_function_error("Error opening Zephyr port: %s", error_message(ret));
return;
}
(void) memset(&sin, 0, sizeof(struct sockaddr_in));
sp = getservbyname(HM_SVCNAME, "udp");
sin.sin_port = (sp) ? sp->s_port : HM_SVC_FALLBACK;
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
(void) memset(&req, 0, sizeof(req));
req.z_kind = STAT;
req.z_port = 0;
req.z_class = zstr(HM_STAT_CLASS);
req.z_class_inst = zstr(HM_STAT_CLIENT);
req.z_opcode = zstr(HM_GIMMESTATS);
req.z_sender = zstr("");
req.z_recipient = zstr("");
req.z_default_format = zstr("");
req.z_message_len = 0;
if ((code = ZSetDestAddr(&sin)) != ZERR_NONE) {
owl_function_error("Initializing Zephyr: %s", error_message(code));
return;
}
if ((code = ZSendNotice(&req, ZNOAUTH)) != ZERR_NONE) {
owl_function_error("Initializing Zephyr: %s", error_message(code));
return;
}
owl_select_add_io_dispatch(ZGetFD(), OWL_IO_READ|OWL_IO_EXCEPT, &owl_zephyr_finish_initialization, NULL, NULL);
}
void owl_zephyr_finish_initialization(const owl_io_dispatch *d, void *data) {
Code_t code;
char *perl;
owl_select_remove_io_dispatch(d);
ZClosePort();
if ((code = ZInitialize()) != ZERR_NONE) {
owl_function_error("Initializing Zephyr: %s", error_message(code));
return;
}
if ((code = ZOpenPort(NULL)) != ZERR_NONE) {
owl_function_error("Initializing Zephyr: %s", error_message(code));
return;
}
owl_select_add_io_dispatch(ZGetFD(), OWL_IO_READ|OWL_IO_EXCEPT, &owl_zephyr_process_events, NULL, NULL);
owl_global_set_havezephyr(&g);
if(g.load_initial_subs) {
owl_zephyr_load_initial_subs();
}
while(deferred_subs != NULL) {
owl_sub_list *subs = deferred_subs->data;
owl_function_debugmsg("Loading %d deferred subs.", subs->nsubs);
owl_zephyr_loadsubs_helper(subs->subs, subs->nsubs);
deferred_subs = g_list_delete_link(deferred_subs, deferred_subs);
owl_free(subs);
}
/* zlog in if we need to */
if (owl_global_is_startuplogin(&g)) {
owl_function_debugmsg("startup: doing zlog in");
owl_zephyr_zlog_in();
}
/* check pseudo-logins if we need to */
if (owl_global_is_pseudologins(&g)) {
owl_function_debugmsg("startup: checking pseudo-logins");
owl_function_zephyr_buddy_check(0);
}
perl = owl_perlconfig_execute("BarnOwl::Zephyr::_zephyr_startup()");
owl_free(perl);
owl_select_add_pre_select_action(owl_zephyr_pre_select_action, NULL, NULL);
}
void owl_zephyr_load_initial_subs(void) {
int ret_sd, ret_bd, ret_u;
owl_function_debugmsg("startup: loading initial zephyr subs");
/* load default subscriptions */
ret_sd = owl_zephyr_loaddefaultsubs();
/* load Barnowl default subscriptions */
ret_bd = owl_zephyr_loadbarnowldefaultsubs();
/* load subscriptions from subs file */
ret_u = owl_zephyr_loadsubs(NULL, 0);
if (ret_sd || ret_bd || ret_u) {
owl_function_error("Error loading zephyr subscriptions");
} else if (ret_u!=-1) {
owl_global_add_userclue(&g, OWL_USERCLUE_CLASSES);
}
/* load login subscriptions */
if (owl_global_is_loginsubs(&g)) {
owl_function_debugmsg("startup: loading login subs");
owl_function_loadloginsubs(NULL);
}
}
#else
void owl_zephyr_initialize(void)
{
}
#endif
int owl_zephyr_shutdown(void)
{
#ifdef HAVE_LIBZEPHYR
if(owl_global_is_havezephyr(&g)) {
unsuball();
ZClosePort();
}
#endif
return 0;
}
int owl_zephyr_zpending(void)
{
#ifdef HAVE_LIBZEPHYR
if(owl_global_is_havezephyr(&g))
return(ZPending());
#endif
return 0;
}
const char *owl_zephyr_get_realm(void)
{
#ifdef HAVE_LIBZEPHYR
if (owl_global_is_havezephyr(&g))
return(ZGetRealm());
#endif
return "";
}
const char *owl_zephyr_get_sender(void)
{
#ifdef HAVE_LIBZEPHYR
if (owl_global_is_havezephyr(&g))
return(ZGetSender());
#endif
return "";
}
#ifdef HAVE_LIBZEPHYR
int owl_zephyr_loadsubs_helper(ZSubscription_t subs[], int count)
{
int ret = 0;
if (owl_global_is_havezephyr(&g)) {
int i;
/* sub without defaults */
if (ZSubscribeToSansDefaults(subs,count,0) != ZERR_NONE) {
owl_function_error("Error subscribing to zephyr notifications.");
ret=-2;
}
/* free stuff */
for (i=0; i<count; i++) {
owl_free(subs[i].zsub_class);
owl_free(subs[i].zsub_classinst);
owl_free(subs[i].zsub_recipient);
}
owl_free(subs);
} else {
owl_sub_list *s = owl_malloc(sizeof(owl_sub_list));
s->subs = subs;
s->nsubs = count;
deferred_subs = g_list_append(deferred_subs, s);
}
return ret;
}
#endif
/* 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(const char *filename, int error_on_nofile)
{
#ifdef HAVE_LIBZEPHYR
FILE *file;
char *tmp, *start;
char *buffer = NULL;
char *subsfile;
ZSubscription_t *subs;
int subSize = 1024;
int count;
struct stat statbuff;
subs = owl_malloc(sizeof(ZSubscription_t) * subSize);
subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
if (stat(subsfile, &statbuff) != 0) {
owl_free(subsfile);
if (error_on_nofile == 1)
return -1;
return 0;
}
ZResetAuthentication();
count = 0;
file = fopen(subsfile, "r");
owl_free(subsfile);
if (!file)
return -1;
while (owl_getline(&buffer, file)) {
if (buffer[0] == '#' || 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 = strtok(start, ",\n\r")) == NULL)
continue;
subs[count].zsub_class = owl_strdup(tmp);
if ((tmp=strtok(NULL, ",\n\r")) == NULL)
continue;
subs[count].zsub_classinst = owl_strdup(tmp);
if ((tmp = 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);
if (buffer)
owl_free(buffer);
return owl_zephyr_loadsubs_helper(subs, count);
#else
return 0;
#endif
}
/* 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(void)
{
#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
}
int owl_zephyr_loaddefaultsubs(void)
{
#ifdef HAVE_LIBZEPHYR
ZSubscription_t subs[10];
if (ZSubscribeTo(subs,0,0) != ZERR_NONE) {
owl_function_error("Error subscribing to default zephyr notifications.");
return(-1);
}
return(0);
#else
return(0);
#endif
}
int owl_zephyr_loadloginsubs(const char *filename)
{
#ifdef HAVE_LIBZEPHYR
FILE *file;
ZSubscription_t *subs;
int numSubs = 100;
char *subsfile;
char *buffer = NULL;
int count;
struct stat statbuff;
subs = owl_malloc(numSubs * sizeof(ZSubscription_t));
subsfile = owl_zephyr_dotfile(".anyone", filename);
if (stat(subsfile, &statbuff) == -1) {
owl_free(subsfile);
return 0;
}
ZResetAuthentication();
count = 0;
file = fopen(subsfile, "r");
owl_free(subsfile);
if (file) {
while (owl_getline_chomp(&buffer, file)) {
if (buffer[0] == '\0' || buffer[0] == '#')
continue;
if (count == numSubs) {
numSubs *= 2;
subs = owl_realloc(subs, numSubs * sizeof(ZSubscription_t));
}
subs[count].zsub_class = owl_strdup("login");
subs[count].zsub_recipient = owl_strdup("*");
subs[count].zsub_classinst = long_zuser(buffer);
count++;
}
fclose(file);
} else {
return 0;
}
if (buffer)
owl_free(buffer);
return owl_zephyr_loadsubs_helper(subs, count);
#else
return 0;
#endif
}
void unsuball(void)
{
#if HAVE_LIBZEPHYR
int ret;
ZResetAuthentication();
ret=ZCancelSubscriptions(0);
if (ret != ZERR_NONE) {
com_err("owl",ret,"while unsubscribing");
}
#endif
}
int owl_zephyr_sub(const char *class, const char *inst, const char *recip)
{
#ifdef HAVE_LIBZEPHYR
ZSubscription_t subs[5];
subs[0].zsub_class=zstr(class);
subs[0].zsub_classinst=zstr(inst);
subs[0].zsub_recipient=zstr(recip);
ZResetAuthentication();
if (ZSubscribeTo(subs,1,0) != ZERR_NONE) {
owl_function_error("Error subbing to <%s,%s,%s>", class, inst, recip);
return(-2);
}
return(0);
#else
return(0);
#endif
}
int owl_zephyr_unsub(const char *class, const char *inst, const char *recip)
{
#ifdef HAVE_LIBZEPHYR
ZSubscription_t subs[5];
subs[0].zsub_class=zstr(class);
subs[0].zsub_classinst=zstr(inst);
subs[0].zsub_recipient=zstr(recip);
ZResetAuthentication();
if (ZUnsubscribeTo(subs,1,0) != ZERR_NONE) {
owl_function_error("Error unsubbing from <%s,%s,%s>", class, inst, recip);
return(-2);
}
return(0);
#else
return(0);
#endif
}
/* return a pointer to the data in the Jth field, (NULL terminated by
* definition). Caller must free the return.
*/
#ifdef HAVE_LIBZEPHYR
char *owl_zephyr_get_field(const ZNotice_t *n, int j)
{
int i, count, save;
char *out;
/* If there's no message here, just run along now */
if (n->z_message_len == 0)
return(owl_strdup(""));
count=save=0;
for (i=0; i<n->z_message_len; i++) {
if (n->z_message[i]=='\0') {
count++;
if (count==j) {
/* just found the end of the field we're looking for */
return(owl_strdup(n->z_message+save));
} else {
save=i+1;
}
}
}
/* catch the last field, which might not be null terminated */
if (count==j-1) {
out=owl_malloc(n->z_message_len-save+5);
memcpy(out, n->z_message+save, n->z_message_len-save);
out[n->z_message_len-save]='\0';
return(out);
}
return(owl_strdup(""));
}
char *owl_zephyr_get_field_as_utf8(const ZNotice_t *n, int j)
{
int i, count, save;
/* If there's no message here, just run along now */
if (n->z_message_len == 0)
return(owl_strdup(""));
count=save=0;
for (i = 0; i < n->z_message_len; i++) {
if (n->z_message[i]=='\0') {
count++;
if (count == j) {
/* just found the end of the field we're looking for */
return(owl_validate_or_convert(n->z_message + save));
} else {
save = i + 1;
}
}
}
/* catch the last field, which might not be null terminated */
if (count == j - 1) {
char *tmp, *out;
tmp = owl_malloc(n->z_message_len-save+5);
memcpy(tmp, n->z_message+save, n->z_message_len-save);
tmp[n->z_message_len-save]='\0';
out = owl_validate_or_convert(tmp);
owl_free(tmp);
return out;
}
return(owl_strdup(""));
}
#else
char *owl_zephyr_get_field(void *n, int j)
{
return(owl_strdup(""));
}
char *owl_zephyr_get_field_as_utf8(void *n, int j)
{
return owl_zephyr_get_field(n, j);
}
#endif
#ifdef HAVE_LIBZEPHYR
int owl_zephyr_get_num_fields(const ZNotice_t *n)
{
int i, fields;
if(n->z_message_len == 0)
return 0;
fields=1;
for (i=0; i<n->z_message_len; i++) {
if (n->z_message[i]=='\0') fields++;
}
return(fields);
}
#else
int owl_zephyr_get_num_fields(const void *n)
{
return(0);
}
#endif
#ifdef HAVE_LIBZEPHYR
/* return a pointer to the message, place the message length in k
* caller must free the return
*/
char *owl_zephyr_get_message(const ZNotice_t *n, const owl_message *m)
{
/* don't let ping messages have a body */
if (!strcasecmp(n->z_opcode, "ping")) {
return(owl_strdup(""));
}
/* deal with MIT NOC messages */
if (!strcasecmp(n->z_default_format, "@center(@bold(NOC Message))\n\n@bold(Sender:) $1 <$sender>\n@bold(Time: ) $time\n\n@italic($opcode service on $instance $3.) $4\n")) {
char *msg, *field3, *field4;
field3 = owl_zephyr_get_field(n, 3);
field4 = owl_zephyr_get_field(n, 4);
msg = owl_sprintf("%s service on %s %s\n%s", n->z_opcode, n->z_class_inst, field3, field4);
owl_free(field3);
owl_free(field4);
if (msg) {
return msg;
}
}
/* deal with MIT Discuss messages */
else if (!strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3 ($5)\nSubject: $4") ||
!strcasecmp(n->z_default_format, "New transaction [$1] entered in $2\nFrom: $3\nSubject: $4")) {
char *msg, *field1, *field2, *field3, *field4, *field5;
field1 = owl_zephyr_get_field(n, 1);
field2 = owl_zephyr_get_field(n, 2);
field3 = owl_zephyr_get_field(n, 3);
field4 = owl_zephyr_get_field(n, 4);
field5 = owl_zephyr_get_field(n, 5);
msg = owl_sprintf("New transaction [%s] entered in %s\nFrom: %s (%s)\nSubject: %s", field1, field2, field3, field5, field4);
owl_free(field1);
owl_free(field2);
owl_free(field3);
owl_free(field4);
owl_free(field5);
if (msg) {
return msg;
}
}
/* deal with MIT Moira messages */
else if (!strcasecmp(n->z_default_format, "MOIRA $instance on $fromhost:\n $message\n")) {
char *msg, *field1;
field1 = owl_zephyr_get_field(n, 1);
msg = owl_sprintf("MOIRA %s on %s: %s", n->z_class_inst, owl_message_get_hostname(m), field1);
owl_free(field1);
if (msg) {
return msg;
}
}
if (owl_zephyr_get_num_fields(n) == 1) {
return(owl_zephyr_get_field(n, 1));
}
else {
return(owl_zephyr_get_field(n, 2));
}
}
#endif
#ifdef HAVE_LIBZEPHYR
const char *owl_zephyr_get_zsig(const ZNotice_t *n, int *k)
{
/* return a pointer to the zsig if there is one */
/* message length 0? No zsig */
if (n->z_message_len==0) {
*k=0;
return("");
}
/* If there's only one field, no zsig */
if (owl_zephyr_get_num_fields(n) == 1) {
*k=0;
return("");
}
/* Everything else is field 1 */
*k=strlen(n->z_message);
return(n->z_message);
}
#else
const char *owl_zephyr_get_zsig(const void *n, int *k)
{
return("");
}
#endif
int send_zephyr(const char *opcode, const char *zsig, const char *class, const char *instance, const char *recipient, const char *message)
{
#ifdef HAVE_LIBZEPHYR
int ret;
ZNotice_t notice;
memset(&notice, 0, sizeof(notice));
ZResetAuthentication();
if (!zsig) zsig="";
notice.z_kind=ACKED;
notice.z_port=0;
notice.z_class=zstr(class);
notice.z_class_inst=zstr(instance);
notice.z_sender=NULL;
if (!strcmp(recipient, "*") || !strcmp(recipient, "@")) {
notice.z_recipient=zstr("");
if (*owl_global_get_zsender(&g))
notice.z_sender=zstr(owl_global_get_zsender(&g));
} else {
notice.z_recipient=zstr(recipient);
}
notice.z_default_format=zstr("Class $class, Instance $instance:\nTo: @bold($recipient) at $time $date\nFrom: @bold{$1 <$sender>}\n\n$2");
if (opcode) notice.z_opcode=zstr(opcode);
notice.z_message_len=strlen(zsig)+1+strlen(message);
notice.z_message=owl_malloc(notice.z_message_len+10);
strcpy(notice.z_message, zsig);
memcpy(notice.z_message+strlen(zsig)+1, message, strlen(message));
/* ret=ZSendNotice(&notice, ZAUTH); */
ret=ZSrvSendNotice(&notice, ZAUTH, send_zephyr_helper);
/* free then check the return */
owl_free(notice.z_message);
ZFreeNotice(&notice);
if (ret!=ZERR_NONE) {
owl_function_error("Error sending zephyr");
return(ret);
}
return(0);
#else
return(0);
#endif
}
#ifdef HAVE_LIBZEPHYR
Code_t send_zephyr_helper(ZNotice_t *notice, char *buf, int len, int wait)
{
return(ZSendPacket(buf, len, 0));
}
#endif
void send_ping(const char *to, const char *zclass, const char *zinstance)
{
#ifdef HAVE_LIBZEPHYR
send_zephyr("PING", "", zclass, zinstance, to, "");
#endif
}
#ifdef HAVE_LIBZEPHYR
void owl_zephyr_handle_ack(const ZNotice_t *retnotice)
{
char *tmp;
/* if it's an HMACK ignore it */
if (retnotice->z_kind == HMACK) return;
if (retnotice->z_kind == SERVNAK) {
owl_function_error("Authorization failure sending zephyr");
} else if ((retnotice->z_kind != SERVACK) || !retnotice->z_message_len) {
owl_function_error("Detected server failure while receiving acknowledgement");
} else if (!strcmp(retnotice->z_message, ZSRVACK_SENT)) {
if (!strcasecmp(retnotice->z_opcode, "ping")) {
return;
} else {
if (strcasecmp(retnotice->z_recipient, ""))
{ /* personal */
tmp=short_zuser(retnotice->z_recipient);
if(!strcasecmp(retnotice->z_class, "message") &&
!strcasecmp(retnotice->z_class_inst, "personal")) {
owl_function_makemsg("Message sent to %s.", tmp);
} else if(!strcasecmp(retnotice->z_class, "message")) { /* instanced, but not classed, personal */
owl_function_makemsg("Message sent to %s on -i %s\n", tmp, retnotice->z_class_inst);
} else { /* classed personal */
owl_function_makemsg("Message sent to %s on -c %s -i %s\n", tmp, retnotice->z_class, retnotice->z_class_inst);
}
owl_free(tmp);
} else {
/* class / instance message */
owl_function_makemsg("Message sent to -c %s -i %s\n", retnotice->z_class, retnotice->z_class_inst);
}
}
} else if (!strcmp(retnotice->z_message, ZSRVACK_NOTSENT)) {
#define BUFFLEN 1024
if (retnotice->z_recipient == NULL
|| *retnotice->z_recipient == 0
|| *retnotice->z_recipient == '@') {
char buff[BUFFLEN];
owl_function_error("No one subscribed to class %s", retnotice->z_class);
snprintf(buff, BUFFLEN, "Could not send message to class %s: no one subscribed.\n", retnotice->z_class);
owl_function_adminmsg("", buff);
} else {
char buff[BUFFLEN];
owl_zwrite zw;
char *realm;
tmp = short_zuser(retnotice->z_recipient);
owl_function_error("%s: Not logged in or subscribing.", tmp);
/*
* These error messages are often over 80 chars, but users who want to
* see the whole thing can scroll to the side, and for those with wide
* terminals or who don't care, not splitting saves a line in the UI
*/
if(strcasecmp(retnotice->z_class, "message")) {
snprintf(buff, BUFFLEN,
"Could not send message to %s: "
"not logged in or subscribing to class %s, instance %s.\n",
tmp,
retnotice->z_class,
retnotice->z_class_inst);
} else if(strcasecmp(retnotice->z_class_inst, "personal")) {
snprintf(buff, BUFFLEN,
"Could not send message to %s: "
"not logged in or subscribing to instance %s.\n",
tmp,
retnotice->z_class_inst);
} else {
snprintf(buff, BUFFLEN,
"Could not send message to %s: "
"not logged in or subscribing to messages.\n",
tmp);
}
owl_function_adminmsg("", buff);
memset(&zw, 0, sizeof(zw));
zw.class = owl_strdup(retnotice->z_class);
zw.inst = owl_strdup(retnotice->z_class_inst);
realm = strchr(retnotice->z_recipient, '@');
if(realm) {
zw.realm = owl_strdup(realm + 1);
} else {
zw.realm = owl_strdup(owl_zephyr_get_realm());
}
zw.opcode = owl_strdup(retnotice->z_opcode);
zw.zsig = owl_strdup("");
owl_list_create(&(zw.recips));
owl_list_append_element(&(zw.recips), owl_strdup(tmp));
owl_log_outgoing_zephyr_error(&zw, buff);
owl_zwrite_cleanup(&zw);
owl_free(tmp);
}
} else {
owl_function_error("Internal error on ack (%s)", retnotice->z_message);
}
}
#else
void owl_zephyr_handle_ack(const void *retnotice)
{
}
#endif
#ifdef HAVE_LIBZEPHYR
int owl_zephyr_notice_is_ack(const ZNotice_t *n)
{
if (n->z_kind == SERVNAK || n->z_kind == SERVACK || n->z_kind == HMACK) {
if (!strcasecmp(n->z_class, LOGIN_CLASS)) return(0);
return(1);
}
return(0);
}
#else
int owl_zephyr_notice_is_ack(const void *n)
{
return(0);
}
#endif
void owl_zephyr_zaway(const owl_message *m)
{
#ifdef HAVE_LIBZEPHYR
char *tmpbuff, *myuser, *to;
owl_message *mout;
owl_zwrite *z;
/* bail if it doesn't look like a message we should reply to. Some
* of this defined by the way zaway(1) works
*/
if (strcasecmp(owl_message_get_class(m), "message")) return;
if (strcasecmp(owl_message_get_recipient(m), ZGetSender())) return;
if (!strcasecmp(owl_message_get_sender(m), "")) return;
if (!strcasecmp(owl_message_get_opcode(m), "ping")) return;
if (!strcasecmp(owl_message_get_opcode(m), "auto")) return;
if (!strcasecmp(owl_message_get_zsig(m), "Automated reply:")) return;
if (!strcasecmp(owl_message_get_sender(m), ZGetSender())) return;
if (owl_message_get_attribute_value(m, "isauto")) return;
if (owl_global_is_smartstrip(&g)) {
to=owl_zephyr_smartstripped_user(owl_message_get_sender(m));
} else {
to=owl_strdup(owl_message_get_sender(m));
}
send_zephyr("",
"Automated reply:",
owl_message_get_class(m),
owl_message_get_instance(m),
to,
owl_global_get_zaway_msg(&g));
myuser=short_zuser(to);
if (!strcasecmp(owl_message_get_instance(m), "personal")) {
tmpbuff = owl_sprintf("zwrite %s", myuser);
} else {
tmpbuff = owl_sprintf("zwrite -i %s %s", owl_message_get_instance(m), myuser);
}
owl_free(myuser);
owl_free(to);
z = owl_zwrite_new(tmpbuff);
owl_zwrite_set_message(z, owl_global_get_zaway_msg(&g));
owl_zwrite_set_zsig(z, "Automated reply:");
/* display the message as an admin message in the receive window */
mout=owl_function_make_outgoing_zephyr(z);
owl_global_messagequeue_addmsg(&g, mout);
owl_free(tmpbuff);
owl_zwrite_delete(z);
#endif
}
#ifdef HAVE_LIBZEPHYR
void owl_zephyr_hackaway_cr(ZNotice_t *n)
{
/* replace \r's with ' '. Gross-ish */
int i;
for (i=0; i<n->z_message_len; i++) {
if (n->z_message[i]=='\r') {
n->z_message[i]=' ';
}
}
}
#endif
char *owl_zephyr_zlocate(const char *user, int auth)
{
#ifdef HAVE_LIBZEPHYR
int ret, numlocs;
int one = 1;
ZLocations_t locations;
char *myuser;
char *p, *result;
ZResetAuthentication();
ret = ZLocateUser(zstr(user), &numlocs, auth ? ZAUTH : ZNOAUTH);
if (ret != ZERR_NONE)
return owl_sprintf("Error locating user %s: %s\n",
user, error_message(ret));
myuser = short_zuser(user);
if (numlocs == 0) {
result = owl_sprintf("%s: Hidden or not logged in\n", myuser);
} else {
result = owl_strdup("");
for (; numlocs; numlocs--) {
ZGetLocations(&locations, &one);
p = owl_sprintf("%s%s: %s\t%s\t%s\n",
result, myuser,
locations.host ? locations.host : "?",
locations.tty ? locations.tty : "?",
locations.time ? locations.time : "?");
owl_free(result);
result = p;
}
}
return result;
#else
return owl_strdup("");
#endif
}
void owl_zephyr_addsub(const char *filename, const char *class, const char *inst, const char *recip)
{
#ifdef HAVE_LIBZEPHYR
char *line, *subsfile, *s = NULL;
FILE *file;
int duplicate = 0;
line = owl_zephyr_makesubline(class, inst, recip);
subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
/* if the file already exists, check to see if the sub is already there */
file = fopen(subsfile, "r");
if (file) {
while (owl_getline(&s, file)) {
if (strcasecmp(s, line) == 0) {
owl_function_error("Subscription already present in %s", subsfile);
duplicate++;
}
}
fclose(file);
owl_free(s);
}
if (!duplicate) {
file = fopen(subsfile, "a");
if (file) {
fputs(line, file);
fclose(file);
owl_function_makemsg("Subscription added");
} else {
owl_function_error("Error opening file %s for writing", subsfile);
}
}
owl_free(line);
#endif
}
void owl_zephyr_delsub(const char *filename, const char *class, const char *inst, const char *recip)
{
#ifdef HAVE_LIBZEPHYR
char *line, *subsfile;
int linesdeleted;
line=owl_zephyr_makesubline(class, inst, recip);
line[strlen(line)-1]='\0';
subsfile = owl_zephyr_dotfile(".zephyr.subs", filename);
linesdeleted = owl_util_file_deleteline(subsfile, line, 1);
if (linesdeleted > 0) {
owl_function_makemsg("Subscription removed");
} else {
owl_function_error("No subscription present in %s", subsfile);
}
owl_free(subsfile);
owl_free(line);
#endif
}
/* caller must free the return */
char *owl_zephyr_makesubline(const char *class, const char *inst, const char *recip)
{
return owl_sprintf("%s,%s,%s\n", class, inst, !strcmp(recip, "") ? "*" : recip);
}
void owl_zephyr_zlog_in(void)
{
#ifdef HAVE_LIBZEPHYR
const char *exposure, *eset;
int ret;
ZResetAuthentication();
eset=EXPOSE_REALMVIS;
exposure=ZGetVariable(zstr("exposure"));
if (exposure==NULL) {
eset=EXPOSE_REALMVIS;
} else if (!strcasecmp(exposure,EXPOSE_NONE)) {
eset = EXPOSE_NONE;
} else if (!strcasecmp(exposure,EXPOSE_OPSTAFF)) {
eset = EXPOSE_OPSTAFF;
} else if (!strcasecmp(exposure,EXPOSE_REALMVIS)) {
eset = EXPOSE_REALMVIS;
} else if (!strcasecmp(exposure,EXPOSE_REALMANN)) {
eset = EXPOSE_REALMANN;
} else if (!strcasecmp(exposure,EXPOSE_NETVIS)) {
eset = EXPOSE_NETVIS;
} else if (!strcasecmp(exposure,EXPOSE_NETANN)) {
eset = EXPOSE_NETANN;
}
ret=ZSetLocation(zstr(eset));
if (ret != ZERR_NONE) {
/*
owl_function_makemsg("Error setting location: %s", error_message(ret));
*/
}
#endif
}
void owl_zephyr_zlog_out(void)
{
#ifdef HAVE_LIBZEPHYR
int ret;
ZResetAuthentication();
ret=ZUnsetLocation();
if (ret != ZERR_NONE) {
/*
owl_function_makemsg("Error unsetting location: %s", error_message(ret));
*/
}
#endif
}
void owl_zephyr_addbuddy(const char *name)
{
char *filename;
FILE *file;
filename = owl_zephyr_dotfile(".anyone", NULL);
file = fopen(filename, "a");
owl_free(filename);
if (!file) {
owl_function_error("Error opening zephyr buddy file for append");
return;
}
fprintf(file, "%s\n", name);
fclose(file);
}
void owl_zephyr_delbuddy(const char *name)
{
char *filename;
filename = owl_zephyr_dotfile(".anyone", NULL);
owl_util_file_deleteline(filename, name, 0);
owl_free(filename);
}
/* return auth string */
#ifdef HAVE_LIBZEPHYR
const char *owl_zephyr_get_authstr(const ZNotice_t *n)
{
if (!n) return("UNKNOWN");
if (n->z_auth == ZAUTH_FAILED) {
return ("FAILED");
} else if (n->z_auth == ZAUTH_NO) {
return ("NO");
} else if (n->z_auth == ZAUTH_YES) {
return ("YES");
} else {
return ("UNKNOWN");
}
}
#else
const char *owl_zephyr_get_authstr(const void *n)
{
return("");
}
#endif
/* Returns a buffer of subscriptions or an error message. Caller must
* free the return.
*/
char *owl_zephyr_getsubs(void)
{
#ifdef HAVE_LIBZEPHYR
int ret, num, i, one;
int buffsize;
ZSubscription_t sub;
char *out;
one=1;
ret=ZRetrieveSubscriptions(0, &num);
if (ret==ZERR_TOOMANYSUBS) {
return(owl_strdup("Zephyr: too many subscriptions\n"));
} else if (ret || (num <= 0)) {
return(owl_strdup("Zephyr: error retriving subscriptions\n"));
}
buffsize = (num + 1) * 50;
out=owl_malloc(buffsize);
strcpy(out, "");
for (i=0; i<num; i++) {
if ((ret = ZGetSubscriptions(&sub, &one)) != ZERR_NONE) {
owl_free(out);
ZFlushSubscriptions();
out=owl_strdup("Error while getting subscriptions\n");
return(out);
} else {
int tmpbufflen;
char *tmpbuff;
tmpbuff = owl_sprintf("<%s,%s,%s>\n%s", sub.zsub_class, sub.zsub_classinst, sub.zsub_recipient, out);
tmpbufflen = strlen(tmpbuff) + 1;
if (tmpbufflen > buffsize) {
char *out2;
buffsize = tmpbufflen * 2;
out2 = owl_realloc(out, buffsize);
if (out2 == NULL) {
owl_free(out);
owl_free(tmpbuff);
ZFlushSubscriptions();
out=owl_strdup("Realloc error while getting subscriptions\n");
return(out);
}
out = out2;
}
strcpy(out, tmpbuff);
owl_free(tmpbuff);
}
}
ZFlushSubscriptions();
return(out);
#else
return(owl_strdup("Zephyr not available"));
#endif
}
const char *owl_zephyr_get_variable(const char *var)
{
#ifdef HAVE_LIBZEPHYR
return(ZGetVariable(zstr(var)));
#else
return("");
#endif
}
void owl_zephyr_set_locationinfo(const char *host, const char *val)
{
#ifdef HAVE_LIBZEPHYR
ZInitLocationInfo(zstr(host), zstr(val));
#endif
}
/* Strip a local realm fron the zephyr user name.
* The caller must free the return
*/
char *short_zuser(const char *in)
{
char *out, *ptr;
out=owl_strdup(in);
ptr=strchr(out, '@');
if (ptr) {
if (!strcasecmp(ptr+1, owl_zephyr_get_realm())) {
*ptr='\0';
}
}
return(out);
}
/* Append a local realm to the zephyr user name if necessary.
* The caller must free the return.
*/
char *long_zuser(const char *in)
{
if (strchr(in, '@')) {
return(owl_strdup(in));
}
return(owl_sprintf("%s@%s", in, owl_zephyr_get_realm()));
}
/* strip out the instance from a zsender's principal. Preserves the
* realm if present. daemon.webzephyr is a special case. The
* caller must free the return
*/
char *owl_zephyr_smartstripped_user(const char *in)
{
char *ptr, *realm, *out;
out=owl_strdup(in);
/* bail immeaditly if we don't have to do any work */
ptr=strchr(out, '.');
if (!strchr(out, '/') && !ptr) {
/* no '/' and no '.' */
return(out);
}
if (ptr && strchr(out, '@') && (ptr > strchr(out, '@'))) {
/* There's a '.' but it's in the realm */
return(out);
}
if (!strncasecmp(out, OWL_WEBZEPHYR_PRINCIPAL, strlen(OWL_WEBZEPHYR_PRINCIPAL))) {
return(out);
}
/* remove the realm from out, but hold on to it */
realm=strchr(out, '@');
if (realm) realm[0]='\0';
/* strip */
ptr=strchr(out, '.');
if (!ptr) ptr=strchr(out, '/');
ptr[0]='\0';
/* reattach the realm if we had one */
if (realm) {
strcat(out, "@");
strcat(out, realm+1);
}
return(out);
}
/* read the list of users in 'filename' as a .anyone file, and put the
* names of the zephyr users in the list 'in'. If 'filename' is NULL,
* use the default .anyone file in the users home directory. Returns
* -1 on failure, 0 on success.
*/
int owl_zephyr_get_anyone_list(owl_list *in, const char *filename)
{
#ifdef HAVE_LIBZEPHYR
char *ourfile, *tmp, *s = NULL;
FILE *f;
ourfile = owl_zephyr_dotfile(".anyone", filename);
f = fopen(ourfile, "r");
if (!f) {
owl_function_error("Error opening file %s: %s", ourfile, strerror(errno) ? strerror(errno) : "");
owl_free(ourfile);
return -1;
}
owl_free(ourfile);
while (owl_getline_chomp(&s, f)) {
/* ignore comments, blank lines etc. */
if (s[0] == '#' || s[0] == '\0')
continue;
/* ignore from # on */
tmp = strchr(s, '#');
if (tmp)
tmp[0] = '\0';
/* ignore from SPC */
tmp = strchr(s, ' ');
if (tmp)
tmp[0] = '\0';
owl_list_append_element(in, long_zuser(s));
}
owl_free(s);
fclose(f);
return 0;
#else
return -1;
#endif
}
#ifdef HAVE_LIBZEPHYR
void owl_zephyr_process_pseudologin(ZNotice_t *n)
{
owl_message *m;
owl_zbuddylist *zbl;
GList **zaldlist;
GList *zaldptr;
ZAsyncLocateData_t *zald = NULL;
ZLocations_t location;
int numlocs, ret, notify;
/* Find a ZALD to match this notice. */
zaldlist = owl_global_get_zaldlist(&g);
zaldptr = g_list_first(*zaldlist);
while (zaldptr) {
if (ZCompareALDPred(n, zaldptr->data)) {
zald = zaldptr->data;
*zaldlist = g_list_remove(*zaldlist, zaldptr->data);
break;
}
zaldptr = g_list_next(zaldptr);
}
if (zald) {
/* Deal with notice. */
notify = owl_global_get_pseudologin_notify(&g);
zbl = owl_global_get_zephyr_buddylist(&g);
ret = ZParseLocations(n, zald, &numlocs, NULL);
if (ret == ZERR_NONE) {
if (numlocs > 0 && !owl_zbuddylist_contains_user(zbl, zald->user)) {
if (notify) {
numlocs = 1;
ret = ZGetLocations(&location, &numlocs);
if (ret == ZERR_NONE) {
/* Send a PSEUDO LOGIN! */
m = owl_malloc(sizeof(owl_message));
owl_message_create_pseudo_zlogin(m, 0, zald->user,
location.host,
location.time,
location.tty);
owl_global_messagequeue_addmsg(&g, m);
}
owl_zbuddylist_adduser(zbl, zald->user);
owl_function_debugmsg("owl_function_zephyr_buddy_check: login for %s ", zald->user);
}
} else if (numlocs == 0 && owl_zbuddylist_contains_user(zbl, zald->user)) {
/* Send a PSEUDO LOGOUT! */
if (notify) {
m = owl_malloc(sizeof(owl_message));
owl_message_create_pseudo_zlogin(m, 1, zald->user, "", "", "");
owl_global_messagequeue_addmsg(&g, m);
}
owl_zbuddylist_deluser(zbl, zald->user);
owl_function_debugmsg("owl_function_zephyr_buddy_check: logout for %s ", zald->user);
}
}
ZFreeALD(zald);
owl_free(zald);
}
}
#else
void owl_zephyr_process_pseudologin(void *n)
{
}
#endif
void owl_zephyr_buddycheck_timer(owl_timer *t, void *data)
{
if (owl_global_is_pseudologins(&g)) {
owl_function_debugmsg("Doing zephyr buddy check");
owl_function_zephyr_buddy_check(1);
} else {
owl_function_debugmsg("Warning: owl_zephyr_buddycheck_timer call pointless; timer should have been disabled");
}
}
/*
* Process zephyrgrams from libzephyr's queue. To prevent starvation,
* process a maximum of OWL_MAX_ZEPHYRGRAMS_TO_PROCESS.
*
* Returns the number of zephyrgrams processed.
*/
#define OWL_MAX_ZEPHYRGRAMS_TO_PROCESS 20
static int _owl_zephyr_process_events(void)
{
int zpendcount=0;
#ifdef HAVE_LIBZEPHYR
ZNotice_t notice;
owl_message *m=NULL;
while(owl_zephyr_zpending() && zpendcount < OWL_MAX_ZEPHYRGRAMS_TO_PROCESS) {
if (owl_zephyr_zpending()) {
ZReceiveNotice(&notice, NULL);
zpendcount++;
/* is this an ack from a zephyr we sent? */
if (owl_zephyr_notice_is_ack(&notice)) {
owl_zephyr_handle_ack(&notice);
ZFreeNotice(&notice);
continue;
}
/* if it's a ping and we're not viewing pings then skip it */
if (!owl_global_is_rxping(&g) && !strcasecmp(notice.z_opcode, "ping")) {
ZFreeNotice(&notice);
continue;
}
/* if it is a LOCATE message, it's for pseudologins. */
if (strcmp(notice.z_opcode, LOCATE_LOCATE) == 0) {
owl_zephyr_process_pseudologin(&notice);
ZFreeNotice(&notice);
continue;
}
/* create the new message */
m=owl_malloc(sizeof(owl_message));
owl_message_create_from_znotice(m, &notice);
owl_global_messagequeue_addmsg(&g, m);
}
}
#endif
return zpendcount;
}
void owl_zephyr_process_events(const owl_io_dispatch *d, void *data)
{
_owl_zephyr_process_events();
}
int owl_zephyr_pre_select_action(owl_ps_action *a, void *p)
{
return _owl_zephyr_process_events();
}