-
/*
- * distsbr.c -- routines to do additional "dist-style" processing
- *
- * $Id$
- *
- * This code is Copyright (c) 2002, by the authors of nmh. See the
- * COPYRIGHT file in the root directory of the nmh distribution for
- * complete copyright information.
- */
+** distsbr.c -- routines to do additional "dist-style" processing
+**
+** This code is Copyright (c) 2002, by the authors of nmh. See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
#include <h/mh.h>
#include <fcntl.h>
#include <h/utils.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <sys/stat.h>
static int hdrfd = NOTOK;
static int txtfd = NOTOK;
-#define BADHDR "please re-edit %s to remove the ``%s'' header!"
-#define BADTXT "please re-edit %s to consist of headers only!"
-#define BADMSG "please re-edit %s to include a ``Resent-To:''!"
-#define BADRFT "please re-edit %s and fix that header!"
-
/*
- * static prototypes
- */
-static void ready_msg(char *);
+** static prototypes
+*/
+static int ready_msg(char *);
int
-distout (char *drft, char *msgnam, char *backup)
+distout(char *drft, char *msgnam, char *backup)
{
- int state;
- register char *dp, *resent;
- char name[NAMESZ], buffer[BUFSIZ];
- register FILE *ifp, *ofp;
-
- if (rename (drft, strcpy (backup, m_backup (drft))) == NOTOK)
- adios (backup, "unable to rename %s to",drft);
- if ((ifp = fopen (backup, "r")) == NULL)
- adios (backup, "unable to read");
-
- if ((ofp = fopen (drft, "w")) == NULL)
- adios (drft, "unable to create temporary file");
- chmod (drft, m_gmprot ());
-
- ready_msg (msgnam);
- lseek (hdrfd, (off_t) 0, SEEK_SET); /* msgnam not accurate */
- cpydata (hdrfd, fileno (ofp), msgnam, drft);
-
- for (state = FLD, resent = NULL;;)
- switch (state =
- m_getfld (state, name, buffer, sizeof buffer, ifp)) {
- case FLD:
- case FLDPLUS:
- case FLDEOF:
- if (uprf (name, "distribute-"))
- snprintf (name, sizeof(name), "%s%s", "Resent", &name[10]);
- if (uprf (name, "distribution-"))
- snprintf (name, sizeof(name), "%s%s", "Resent", &name[12]);
- if (!uprf (name, "resent")) {
- advise (NULL, BADHDR, "draft", name);
- goto leave_bad;
+ enum state state;
+ struct field f = free_field;
+ unsigned char *dp;
+ int resent = 0;
+ FILE *ifp, *ofp;
+
+ strcpy(backup, m_mktemp(toabsdir(invo_name), NULL, NULL));
+ if (rename(drft, backup) == NOTOK) {
+ advise(backup, "unable to rename %s to",drft);
+ return NOTOK;
+ }
+ if (!(ifp = fopen(backup, "r"))) {
+ advise(backup, "unable to read");
+ return NOTOK;
+ }
+
+ if (!(ofp = fopen(drft, "w"))) {
+ advise(drft, "unable to create temporary file");
+ return NOTOK;
+ }
+ chmod(drft, m_gmprot());
+
+ if (ready_msg(msgnam) != OK) {
+ return NOTOK;
+ }
+ lseek(hdrfd, (off_t) 0, SEEK_SET); /* msgnam not accurate */
+ cpydata(hdrfd, fileno(ofp), msgnam, drft);
+
+ state = FLD2;
+ while (1) {
+ switch (state = m_getfld2(state, &f, ifp)) {
+ case FLD2:
+ if (!uprf(f.name, "resent")) {
+ advise(NULL, "Please re-edit draft to remove the ``%s'' header.", f.name);
+ goto leave_bad;
+ }
+ resent = 1;
+ fprintf(ofp, "%s: %s", f.name, f.value);
+ break;
+
+ case BODY2:
+ for (dp = f.value; *dp; dp++) {
+ if (!isspace(*dp)) {
+ advise(NULL, "Please re-edit draft to consist of headers only.");
+ goto leave_bad;
+ }
+ }
+
+ case FILEEOF2:
+ goto process;
+
+ case LENERR2:
+ case FMTERR2:
+ case IOERR2:
+ advise(NULL, "Please re-edit draft and fix that header.");
+leave_bad: ;
+ fclose(ifp);
+ fclose(ofp);
+ unlink(drft);
+ if (rename(backup, drft) == NOTOK) {
+ advise(drft, "unable to rename %s to", backup);
+ }
+ return NOTOK;
+
+ default:
+ advise(NULL, "getfld() returned %d", state);
+ return NOTOK;
}
- if (state == FLD)
- resent = add (":", add (name, resent));
- resent = add (buffer, resent);
- fprintf (ofp, "%s: %s", name, buffer);
- while (state == FLDPLUS) {
- state = m_getfld (state, name,
- buffer, sizeof buffer, ifp);
- resent = add (buffer, resent);
- fputs (buffer, ofp);
+ }
+
+process: ;
+ fclose(ifp);
+ fflush(ofp);
+
+ if (!resent) {
+ advise(NULL, "Please re-edit draft to include a ``Resent-To:'' header.");
+ fclose(ofp);
+ unlink(drft);
+ if (rename(backup, drft) == NOTOK) {
+ advise(drft, "unable to rename %s to", backup);
}
- if (state == FLDEOF)
- goto process;
- break;
-
- case BODY:
- case BODYEOF:
- for (dp = buffer; *dp; dp++)
- if (!isspace (*dp)) {
- advise (NULL, BADTXT, "draft");
- goto leave_bad;
- }
-
- case FILEEOF:
- goto process;
-
- case LENERR:
- case FMTERR:
- advise (NULL, BADRFT, "draft");
- leave_bad: ;
- fclose (ifp);
- fclose (ofp);
- unlink (drft);
- if (rename (backup, drft) == NOTOK)
- adios (drft, "unable to rename %s to", backup);
return NOTOK;
+ }
- default:
- adios (NULL, "getfld() returned %d", state);
+ if (txtfd != NOTOK) {
+ lseek(txtfd, (off_t) 0, SEEK_SET); /* msgnam not accurate */
+ cpydata(txtfd, fileno(ofp), msgnam, drft);
}
-process: ;
- fclose (ifp);
- fflush (ofp);
-
- if (!resent) {
- advise (NULL, BADMSG, "draft");
- fclose (ofp);
- unlink (drft);
- if (rename (backup, drft) == NOTOK)
- adios (drft, "unable to rename %s to", backup);
- return NOTOK;
- }
- free (resent);
-
- if (txtfd != NOTOK) {
- lseek (txtfd, (off_t) 0, SEEK_SET); /* msgnam not accurate */
- cpydata (txtfd, fileno (ofp), msgnam, drft);
- }
-
- fclose (ofp);
-
- return OK;
+
+ fclose(ofp);
+
+ return OK;
}
-static void
-ready_msg (char *msgnam)
+static int
+ready_msg(char *msgnam)
{
- int state, out;
- char name[NAMESZ], buffer[BUFSIZ], tmpfil[BUFSIZ];
- register FILE *ifp, *ofp;
-
- if (hdrfd != NOTOK)
- close (hdrfd), hdrfd = NOTOK;
- if (txtfd != NOTOK)
- close (txtfd), txtfd = NOTOK;
-
- if ((ifp = fopen (msgnam, "r")) == NULL)
- adios (msgnam, "unable to open message");
-
- strncpy (tmpfil, m_tmpfil ("dist"), sizeof(tmpfil));
- if ((hdrfd = open (tmpfil, O_RDWR | O_CREAT | O_TRUNC, 0600)) == NOTOK)
- adios (tmpfil, "unable to re-open temporary file");
- if ((out = dup (hdrfd)) == NOTOK
- || (ofp = fdopen (out, "w")) == NULL)
- adios (NULL, "no file descriptors -- you lose big");
- unlink (tmpfil);
-
- for (state = FLD;;)
- switch (state =
- m_getfld (state, name, buffer, sizeof buffer, ifp)) {
- case FLD:
- case FLDPLUS:
- case FLDEOF:
- if (uprf (name, "resent"))
- fprintf (ofp, "Prev-");
- fprintf (ofp, "%s: %s", name, buffer);
- while (state == FLDPLUS) {
- state = m_getfld (state, name,
- buffer, sizeof buffer, ifp);
- fputs (buffer, ofp);
- }
- if (state == FLDEOF)
- goto process;
- break;
-
- case BODY:
- case BODYEOF:
- fclose (ofp);
-
- strncpy (tmpfil, m_tmpfil ("dist"), sizeof(tmpfil));
- if ((txtfd = open (tmpfil, O_RDWR | O_CREAT | O_TRUNC, 0600)) == NOTOK)
- adios (tmpfil, "unable to open temporary file");
- if ((out = dup (txtfd)) == NOTOK
- || (ofp = fdopen (out, "w")) == NULL)
- adios (NULL, "no file descriptors -- you lose big");
- unlink (tmpfil);
- fprintf (ofp, "\n%s", buffer);
- while (state == BODY) {
- state = m_getfld (state, name,
- buffer, sizeof buffer, ifp);
- fputs (buffer, ofp);
- }
- case FILEEOF:
- goto process;
-
- case LENERR:
- case FMTERR:
- adios (NULL, "format error in message %s", msgnam);
+ enum state state;
+ struct field f = free_field;
+ char tmpfil[BUFSIZ];
+ int out;
+ FILE *ifp, *ofp;
+ char *cp = NULL;
+
+ if (hdrfd != NOTOK) {
+ close(hdrfd);
+ hdrfd = NOTOK;
+ }
+ if (txtfd != NOTOK) {
+ close(txtfd);
+ txtfd = NOTOK;
+ }
+ if (!(ifp = fopen(msgnam, "r"))) {
+ advise(msgnam, "unable to open message");
+ return NOTOK;
+ }
- default:
- adios (NULL, "getfld() returned %d", state);
+ cp = m_mktemp2(NULL, "dist", &hdrfd, NULL);
+ if (!cp) {
+ advise("distsbr", "unable to create temporary file");
+ return NOTOK;
+ }
+ fchmod(hdrfd, 0600);
+ strncpy(tmpfil, cp, sizeof(tmpfil));
+ if ((out = dup(hdrfd)) == NOTOK || !(ofp = fdopen(out, "w"))) {
+ advise(NULL, "no file descriptors -- you lose big");
+ return NOTOK;
+ }
+ unlink(tmpfil);
+
+ state = FLD2;
+ while (1) {
+ state = m_getfld2(state, &f, ifp);
+ switch (state) {
+ case FLD2:
+ if (uprf(f.name, "resent")) {
+ fprintf(ofp, "Prev-");
+ }
+ fprintf(ofp, "%s: %s", f.name, f.value);
+ break;
+
+ case BODY2:
+ fclose(ofp);
+
+ cp = m_mktemp2(NULL, "dist", &txtfd, NULL);
+ if (!cp) {
+ advise("distsbr", "unable to create temp file");
+ return NOTOK;
+ }
+ fchmod(txtfd, 0600);
+ strncpy(tmpfil, cp, sizeof(tmpfil));
+ if ((out = dup(txtfd)) == NOTOK ||
+ !(ofp = fdopen(out, "w"))) {
+ advise(NULL, "no file descriptors -- you lose");
+ return NOTOK;
+ }
+ unlink(tmpfil);
+ fprintf(ofp, "\n%s", f.value);
+ while (state == BODY2) {
+ state = m_getfld2(state, &f, ifp);
+ fputs(f.value, ofp);
+ }
+ /* FALL */
+
+ case FILEEOF2:
+ goto process;
+
+ case LENERR2:
+ case FMTERR2:
+ case IOERR2:
+ advise(NULL, "format error in message %s", msgnam);
+ return NOTOK;
+
+ default:
+ advise(NULL, "getfld() returned %d", state);
+ return NOTOK;
+ }
}
process: ;
- fclose (ifp);
- fclose (ofp);
+ fclose(ifp);
+ fclose(ofp);
+ return OK;
}
projects / mmh / blobdiff