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- /* rfc934.c: rfc934 filter channel */
-
- # ifndef lint
- static char Rcsid[] = "@(#)$Header: /xtel/pp/pp-beta/Format/rfc934/RCS/rfc934.c,v 6.0 1991/12/18 20:21:02 jpo Rel $";
- # endif
-
- /*
- * $Header: /xtel/pp/pp-beta/Format/rfc934/RCS/rfc934.c,v 6.0 1991/12/18 20:21:02 jpo Rel $
- *
- * $Log: rfc934.c,v $
- * Revision 6.0 1991/12/18 20:21:02 jpo
- * Release 6.0
- *
- */
-
-
-
- #include "util.h"
- #include "head.h"
- #include "qmgr.h"
- #include "q.h"
- #include "prm.h"
- #include "chan.h"
- #include "dr.h"
- #include <sys/stat.h>
- #include "sys.file.h"
-
- extern char *quedfldir;
- extern char *chndfldir;
- extern void sys_init(), err_abrt(), rd_end();
- CHAN *mychan;
- char *this_msg = NULL, *this_chan = NULL;
- extern int err_fatal;
- int first_failureDR;
-
- static struct type_Qmgr_DeliveryStatus *process ();
- static int initialise ();
- static int security_check ();
- static void dirinit ();
- static struct type_Qmgr_DeliveryStatus *new_DeliveryStatus();
- static ADDR *getnthrecip ();
- static int filterMsg();
- static int doFilter();
- /* */
- /* main routine */
-
- main (argc, argv)
- int argc;
- char **argv;
- {
- sys_init(argv[0]);
- dirinit ();
- #ifdef PP_DEBUG
- if (argc>1 && (strcmp(argv[1],"debug") == 0))
- debug_channel_control(argc,argv,initialise,process,NULLIFP);
- else
- #endif
- channel_control (argc, argv, initialise, process,NULLIFP);
- }
-
- /* */
- /* routine to move to correct place in file system */
-
- static void dirinit ()
- {
- if (chdir (quedfldir) < 0)
- err_abrt (RP_LIO, " Unable to change directory to '%s'",
- quedfldir);
- }
-
- /* */
- /* channel initialise routine */
-
- static int initialise (arg)
- struct type_Qmgr_Channel *arg;
- {
- char *name;
-
- name = qb2str(arg);
-
- if ((mychan = ch_nm2struct(name)) == NULLCHAN) {
- PP_OPER(NULLCP,
- ("Chans/rfc934 : Channel '%s' not known",name));
- if (name != NULL) free(name);
- return NOTOK;
- }
-
- /* check if a rfc934 channel */
- if (name != NULL) free(name);
- return OK;
- }
-
- /* */
- /* routine to check if allowed to rfc934 filter this message */
- static int security_check (msg)
- struct type_Qmgr_ProcMsg *msg;
- {
- char *msg_file = NULL, *msg_chan = NULL;
- int result;
-
- result = TRUE;
- msg_file = qb2str (msg->qid);
- msg_chan = qb2str (msg->channel);
-
- if ((mychan == NULLCHAN) || (strcmp(msg_chan,mychan->ch_name) !=0)) {
- PP_LOG(LLOG_EXCEPTIONS,
- ("Chans/rfc934 channel err: '%s'",msg_chan));
- result = FALSE;
- }
- if (msg_file != NULL) free(msg_file);
- if (msg_chan != NULL) free(msg_chan);
- return result;
- }
-
- /* */
- /* routine called to do rfc934 filter */
-
- static struct type_Qmgr_DeliveryStatus *process (arg)
- struct type_Qmgr_ProcMsg *arg;
- {
- struct prm_vars prm;
- Q_struct que;
- ADDR *sender = NULL;
- ADDR *recips = NULL;
- int rcount;
- int retval;
- struct type_Qmgr_UserList *ix;
- ADDR *adr;
- char *error;
- bzero((char *)&prm,sizeof(prm));
- bzero((char *)&que,sizeof(que));
- first_failureDR = TRUE;
-
- delivery_init(arg->users);
- delivery_setall(int_Qmgr_status_messageFailure);
-
- if (security_check(arg) != TRUE)
- return deliverystate;
-
- if (this_msg != NULL) free(this_msg);
- if (this_chan != NULL) free(this_chan);
-
- this_msg = qb2str(arg->qid);
- this_chan = qb2str(arg->channel);
-
- PP_LOG(LLOG_NOTICE,
- ("filtering msg '%s' through '%s'",this_msg, this_chan));
-
- if (rp_isbad(rd_msg(this_msg,&prm,&que,&sender,&recips,&rcount))) {
- PP_LOG(LLOG_EXCEPTIONS,
- ("Chans/rfc934 rd_msg err: '%s'",this_msg));
- rd_end();
- return delivery_setallstate (int_Qmgr_status_messageFailure,
- "Can't read message");
- }
-
- /* check each recipient for processing */
- for (ix = arg->users; ix; ix = ix->next) {
- error = NULLCP;
- if ((adr = getnthrecip(&que,ix->RecipientId->parm)) == NULL) {
- PP_LOG(LLOG_EXCEPTIONS,
- ("Chans/rfc934 : failed to find recipient %d of msg '%s'",ix->RecipientId->parm, this_msg));
-
- delivery_setstate(ix->RecipientId->parm,
- int_Qmgr_status_messageFailure,
- "Unable to find specified recipient");
- continue;
- }
-
- switch (chan_acheck(adr, mychan, 1, NULL)) {
- case OK:
- if (filterMsg(this_msg,adr, &error) == NOTOK) {
- if (err_fatal == TRUE) {
- PP_LOG(LLOG_EXCEPTIONS,
- ("failed to flatten msg '%s' (FATAL)",
- this_msg));
- set_1dr(&que, adr->ad_no, this_msg,
- DRR_CONVERSION_NOT_PERFORMED,
- DRD_CONTENT_SYNTAX_ERROR,
- (error == NULLCP) ? "Unable to flatten the message" : error);
- delivery_set(adr->ad_no,
- (first_failureDR == TRUE) ? int_Qmgr_status_negativeDR : int_Qmgr_status_failureSharedDR);
- first_failureDR = FALSE;
- } else {
- PP_LOG(LLOG_EXCEPTIONS,
- ("Chans/rfc934 : failed to filter msg '%s' for recip '%d' on channel '%s'",this_msg, adr->ad_no, this_chan));
- delivery_setstate(adr->ad_no,
- int_Qmgr_status_messageFailure,
- (error == NULLCP) ? "Failed to flatten message" : error);
- }
- } else {
- /* CHANGE update adr->ad_rcnt in struct and in file */
- adr->ad_rcnt++;
- wr_ad_rcntno(adr,adr->ad_rcnt);
- delivery_set(adr->ad_no,
- int_Qmgr_status_success);
- }
- break;
- default:
- break;
- }
- if (error != NULLCP)
- free(error);
- }
- if (rp_isbad(retval = wr_q2dr(&que, this_msg))) {
- PP_LOG(LLOG_EXCEPTIONS,
- ("%s wr_q2dr failure '%d'",mychan->ch_name,retval));
- delivery_resetDRs(int_Qmgr_status_messageFailure);
- }
- rd_end();
- q_free (&que);
- prm_free(&prm);
- return deliverystate;
- }
-
- /* */
- static int filterMsg (msg,recip,perr)
- /* return OK if managed to filter msg through mychan for recip */
- char *msg;
- ADDR *recip;
- char **perr;
- {
- char *origdir = NULL,
- *newdir = NULL;
- int result = OK;
- struct stat statbuf;
-
- if (qid2dir(msg, recip, TRUE, &origdir) != OK) {
- PP_LOG(LLOG_EXCEPTIONS,
- ("Chans/rfc934 original directory not found for recipient %d of message '%s'",recip->ad_no, msg));
- *perr = strdup("Can't find source directory");
- result = NOTOK;
- }
-
- /* temporary change to get new directory name */
- recip->ad_rcnt++;
- if ((result == OK)
- && (qid2dir(msg, recip, FALSE, &newdir) != OK)) {
- PP_LOG(LLOG_EXCEPTIONS,
- ("Chans/rfc934 couldn't construct new directory for recipient '%d' of message '%s'",recip->ad_no, msg));
- *perr = strdup("Can't construct destination directory");
- result = NOTOK;
- }
- recip->ad_rcnt--;
-
- if ((result == OK)
- && (stat(newdir, &statbuf) == OK)
- && ((statbuf.st_mode & S_IFMT) == S_IFDIR)) {
- /* directory already exists and so filter already done */
-
- if (origdir != NULL) free(origdir);
- if (newdir != NULL) free(newdir);
- return OK;
- }
-
- if ((result == OK) && (doFilter(origdir,newdir,msg, perr) != OK))
- result = NOTOK;
-
- if (origdir != NULL) free(origdir);
- if (newdir != NULL) free(newdir);
- return result;
- }
-
- /* */
- static doFilter (orig, new, msg, perr)
- /* filters orig directory through mychan to new directory */
- char *orig,
- *new,
- *msg,
- **perr;
- {
- char tmpdir[MAXPATHLENGTH], buf[BUFSIZ];
- int result = OK;
- struct stat statbuf;
-
- (void) sprintf(tmpdir, "%s/tmp.%s",
- msg, mychan->ch_name);
-
- if (stat(tmpdir, &statbuf) == OK) {
- char *cmd_line;
- /* exists so remove it */
- cmd_line = malloc((unsigned) (strlen("rm -rf ") +
- strlen(tmpdir) + 1));
- sprintf(cmd_line, "rm -rf %s", tmpdir);
- system(cmd_line);
- if (cmd_line != NULL) free(cmd_line);
- }
-
- if (mkdir(tmpdir, 0777) != OK) {
- PP_SLOG(LLOG_EXCEPTIONS, tmpdir,
- ("Can't make directory"));
- (void) sprintf (buf,
- "Failed to make temporary directory '%s'",
- tmpdir);
- *perr = strdup(buf);
- result = NOTOK;
- }
-
- if (result == OK) {
- /* filter from orig to tmpdir */
- result = do_rfc934(orig,tmpdir,perr);
- /* if success rename tmpdir to new */
- if ((result == OK) && (rename(tmpdir,new) == -1)) {
- PP_SLOG(LLOG_EXCEPTIONS, "rename",
- ("Can't rename directory '%s' to '%s'",
- tmpdir, new));
- (void) sprintf (buf,
- "Failed to rename '%s' to '%s'",
- tmpdir,new);
- *perr = strdup(buf);
- result = NOTOK;
- }
-
- }
- return result;
- }
-
- /* */
- /* auxilary routines to extract from lists */
- static ADDR *getnthrecip(que, num)
- Q_struct *que;
- int num;
- {
- ADDR *ix = que->Raddress;
-
- if (num == 0)
- return que->Oaddress;
- while ((ix != NULL) && (ix->ad_no != num))
- ix = ix->ad_next;
- return ix;
- }
-
-