-
/*
- * send.c -- send a composed message
- *
- * 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.
- */
+** send.c -- send a composed message
+**
+** 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 <errno.h>
#include <signal.h>
+#include <h/signals.h>
+#include <setjmp.h>
+#include <h/mime.h>
+#include <h/tws.h>
+#include <h/utils.h>
+
+#ifdef TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# ifdef TM_IN_SYS_TIME
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+int debugsw = 0; /* global */
+int forwsw = 1;
+int pushsw = 0;
+int verbsw = 0;
+char *altmsg = NULL;
+char *annotext = NULL;
+char *distfile = NULL;
+
+static jmp_buf env;
+
+/* name of temp file for body content */
+static char body_file_name[MAXPATHLEN + 1];
+/* name of mhbuild composition temporary file */
+static char composition_file_name[MAXPATHLEN + 1];
+static int field_size; /* size of header field buffer */
+static char *field; /* header field buffer */
+static FILE *draft_file; /* draft file pointer */
+static FILE *body_file; /* body file pointer */
+static FILE *composition_file; /* composition file pointer */
-static struct swit switches[] = {
-#define ALIASW 0
- { "alias aliasfile", 0 },
-#define DEBUGSW 1
- { "debug", -5 },
-#define DRAFTSW 2
- { "draft", 0 },
-#define DFOLDSW 3
- { "draftfolder +folder", 6 },
-#define DMSGSW 4
- { "draftmessage msg", 6 },
-#define NDFLDSW 5
- { "nodraftfolder", 0 },
-#define FILTSW 6
- { "filter filterfile", 0 },
-#define NFILTSW 7
- { "nofilter", 0 },
-#define FRMTSW 8
- { "format", 0 },
-#define NFRMTSW 9
- { "noformat", 0 },
-#define FORWSW 10
- { "forward", 0 },
-#define NFORWSW 11
- { "noforward", 0 },
-#define MIMESW 12
- { "mime", 0 },
-#define NMIMESW 13
- { "nomime", 0 },
-#define MSGDSW 14
- { "msgid", 0 },
-#define NMSGDSW 15
- { "nomsgid", 0 },
-#define PUSHSW 16
- { "push", 0 },
-#define NPUSHSW 17
- { "nopush", 0 },
-#define SPLITSW 18
- { "split seconds", 0 },
-#define UNIQSW 19
- { "unique", -6 },
-#define NUNIQSW 20
- { "nounique", -8 },
-#define VERBSW 21
- { "verbose", 0 },
-#define NVERBSW 22
- { "noverbose", 0 },
-#define WATCSW 23
- { "watch", 0 },
-#define NWATCSW 24
- { "nowatch", 0 },
-#define WIDTHSW 25
- { "width columns", 0 },
-#define VERSIONSW 26
- { "version", 0 },
-#define HELPSW 27
- { "help", 0 },
-#define BITSTUFFSW 28
- { "dashstuffing", -12 },
-#define NBITSTUFFSW 29
- { "nodashstuffing", -14 },
-#define MAILSW 30
- { "mail", -4 },
-#define SAMLSW 31
- { "saml", -4 },
-#define SENDSW 32
- { "send", -4 },
-#define SOMLSW 33
- { "soml", -4 },
-#define CLIESW 34
- { "client host", -6 },
-#define SERVSW 35
- { "server host", 6 },
-#define SNOOPSW 36
- { "snoop", 5 },
-#define ATTACHSW 40
- { "attach", 6 },
-#define ATTACHFORMATSW 41
- { "attachformat", 7 },
-#define PORTSW 42
- { "port server-port-name/number" , 4 },
- { NULL, 0 }
-};
-
-static struct swit anyl[] = {
-#define NOSW 0
- { "no", 0 },
-#define YESW 1
- { "yes", 0 },
-#define LISTDSW 2
- { "list", 0 },
- { NULL, 0 }
-};
+/*
+** static prototypes
+*/
+static int sendsbr(char **, int, char *, struct stat *, int);
+static void armed_done(int) NORETURN;
+static void alert(char *, int);
+static int tmp_fd(void);
+static void anno(struct stat *);
+static int sendaux(char **, int, char *, struct stat *);
+static int attach(char *);
+static void clean_up_temporary_files(void);
+static int get_line(void);
+static void make_mime_composition_file_entry(char *);
-extern int debugsw; /* from sendsbr.c */
-extern int forwsw;
-extern int inplace;
-extern int pushsw;
-extern int splitsw;
-extern int unique;
-extern int verbsw;
-extern char *altmsg; /* .. */
-extern char *annotext;
-extern char *distfile;
+static struct swit switches[] = {
+#define ALIASW 0
+ { "alias aliasfile", 0 },
+#define DEBUGSW 1
+ { "debug", -5 },
+#define FORWSW 2
+ { "forward", 0 },
+#define NFORWSW 3
+ { "noforward", 0 },
+#define PUSHSW 4
+ { "push", 0 },
+#define NPUSHSW 5
+ { "nopush", 0 },
+#define VERBSW 6
+ { "verbose", 0 },
+#define NVERBSW 7
+ { "noverbose", 0 },
+#define WATCSW 8
+ { "watch", 0 },
+#define NWATCSW 9
+ { "nowatch", 0 },
+#define VERSIONSW 10
+ { "version", 0 },
+#define HELPSW 11
+ { "help", 0 },
+ { NULL, 0 }
+};
int
-main (int argc, char **argv)
+main(int argc, char **argv)
{
- int msgp = 0, distsw = 0, vecp = 1;
- int isdf = 0, mime = 0;
- int msgnum, status;
- char *cp, *dfolder = NULL, *maildir = NULL;
- char buf[BUFSIZ], **ap, **argp, **arguments;
- char *msgs[MAXARGS], *vec[MAXARGS];
- struct msgs *mp;
- struct stat st;
- char *attach = (char *)0; /* header field name for attachments */
- int attachformat = 0; /* mhbuild format specifier for attachments */
-#ifdef UCI
- FILE *fp;
-#endif /* UCI */
+ int msgp = 0, nfiles = 0, distsw = 0, vecp = 1;
+ int msgnum, status;
+ int in, out;
+ char *cp, *maildir = NULL;
+ char buf[BUFSIZ], **ap, **argp, **arguments;
+ char *msgs[MAXARGS], *vec[MAXARGS];
+ char *files[MAXARGS];
+ struct msgs *mp;
+ struct stat st;
+ struct stat st2;
+
#ifdef LOCALE
- setlocale(LC_ALL, "");
+ setlocale(LC_ALL, "");
#endif
- invo_name = r1bindex (argv[0], '/');
-
- /* read user profile/context */
- context_read();
-
- arguments = getarguments (invo_name, argc, argv, 1);
- argp = arguments;
-
- vec[vecp++] = "-library";
- vec[vecp++] = getcpy (m_maildir (""));
-
- while ((cp = *argp++)) {
- if (*cp == '-') {
- switch (smatch (++cp, switches)) {
- case AMBIGSW:
- ambigsw (cp, switches);
- done (1);
- case UNKWNSW:
- adios (NULL, "-%s unknown\n", cp);
-
- case HELPSW:
- snprintf (buf, sizeof(buf), "%s [file] [switches]", invo_name);
- print_help (buf, switches, 1);
- done (1);
- case VERSIONSW:
- print_version(invo_name);
- done (1);
-
- case DRAFTSW:
- msgs[msgp++] = draft;
- continue;
-
- case DFOLDSW:
- if (dfolder)
- adios (NULL, "only one draft folder at a time!");
- if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
- *cp != '@' ? TFOLDER : TSUBCWF);
- continue;
- case DMSGSW:
- if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- msgs[msgp++] = cp;
- continue;
- case NDFLDSW:
- dfolder = NULL;
- isdf = NOTOK;
- continue;
-
- case PUSHSW:
- pushsw++;
- continue;
- case NPUSHSW:
- pushsw = 0;
- continue;
-
- case SPLITSW:
- if (!(cp = *argp++) || sscanf (cp, "%d", &splitsw) != 1)
- adios (NULL, "missing argument to %s", argp[-2]);
- continue;
-
- case UNIQSW:
- unique++;
- continue;
- case NUNIQSW:
- unique = 0;
- continue;
-
- case FORWSW:
- forwsw++;
- continue;
- case NFORWSW:
- forwsw = 0;
- continue;
-
- case VERBSW:
- verbsw++;
- vec[vecp++] = --cp;
- continue;
- case NVERBSW:
- verbsw = 0;
- vec[vecp++] = --cp;
- continue;
-
- case MIMESW:
- mime++;
- vec[vecp++] = --cp;
- continue;
- case NMIMESW:
- mime = 0;
- vec[vecp++] = --cp;
- continue;
-
- case DEBUGSW:
- debugsw++; /* fall */
- case NFILTSW:
- case FRMTSW:
- case NFRMTSW:
- case BITSTUFFSW:
- case NBITSTUFFSW:
- case MSGDSW:
- case NMSGDSW:
- case WATCSW:
- case NWATCSW:
- case MAILSW:
- case SAMLSW:
- case SENDSW:
- case SOMLSW:
- case SNOOPSW:
- vec[vecp++] = --cp;
- continue;
-
- case ALIASW:
- case FILTSW:
- case WIDTHSW:
- case CLIESW:
- case SERVSW:
- case PORTSW:
- vec[vecp++] = --cp;
- if (!(cp = *argp++) || *cp == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- vec[vecp++] = cp;
- continue;
-
- case ATTACHSW:
- if (!(attach = *argp++) || *attach == '-')
- adios (NULL, "missing argument to %s", argp[-2]);
- continue;
-
- case ATTACHFORMATSW:
- if (! *argp || **argp == '-')
- adios (NULL, "missing argument to %s", argp[-1]);
- else {
- attachformat = atoi (*argp);
- if (attachformat < 0 ||
- attachformat > ATTACHFORMATS - 1) {
- advise (NULL, "unsupported attachformat %d",
- attachformat);
- continue;
+ invo_name = mhbasename(argv[0]);
+
+ /* read user profile/context */
+ context_read();
+
+ arguments = getarguments(invo_name, argc, argv, 1);
+ argp = arguments;
+
+ vec[vecp++] = "-library";
+ vec[vecp++] = getcpy(toabsdir("+"));
+
+ while ((cp = *argp++)) {
+ if (*cp == '-') {
+ switch (smatch(++cp, switches)) {
+ case AMBIGSW:
+ ambigsw(cp, switches);
+ done(1);
+ case UNKWNSW:
+ adios(NULL, "-%s unknown\n", cp);
+
+ case HELPSW:
+ snprintf(buf, sizeof(buf),
+ "%s [file] [switches]",
+ invo_name);
+ print_help(buf, switches, 1);
+ done(1);
+ case VERSIONSW:
+ print_version(invo_name);
+ done(1);
+
+ case PUSHSW:
+ pushsw++;
+ continue;
+ case NPUSHSW:
+ pushsw = 0;
+ continue;
+
+ case FORWSW:
+ forwsw++;
+ continue;
+ case NFORWSW:
+ forwsw = 0;
+ continue;
+
+ case VERBSW:
+ verbsw++;
+ vec[vecp++] = --cp;
+ continue;
+ case NVERBSW:
+ verbsw = 0;
+ vec[vecp++] = --cp;
+ continue;
+
+ case DEBUGSW:
+ debugsw++; /* fall */
+ case WATCSW:
+ case NWATCSW:
+ vec[vecp++] = --cp;
+ continue;
+
+ case ALIASW:
+ vec[vecp++] = --cp;
+ if (!(cp = *argp++) || *cp == '-') {
+ adios(NULL, "missing argument to %s",
+ argp[-2]);
+ }
+ vec[vecp++] = cp;
+ continue;
+
+ }
+ } else {
+ if (*cp == '/') {
+ files[nfiles++] = cp;
+ } else {
+ msgs[msgp++] = cp;
}
- }
- ++argp;
- continue;
- }
+ }
+ }
+
+ /* check for "Aliasfile:" profile entry */
+ if ((cp = context_find("Aliasfile"))) {
+ char *dp = NULL;
+
+ for (ap=brkstring(dp=getcpy(cp), " ", "\n"); ap && *ap; ap++) {
+ vec[vecp++] = "-alias";
+ vec[vecp++] = getcpy(etcpath(*ap));
+ }
+ }
+
+ if (!msgp && !nfiles) {
+ msgs[msgp++] = seq_cur;
+ }
+ maildir = toabsdir(draftfolder);
+
+ if (chdir(maildir) == NOTOK) {
+ adios(maildir, "unable to change directory to");
+ }
+
+ if (!(mp = folder_read(draftfolder))) {
+ adios(NULL, "unable to read draft folder %s", draftfolder);
+ }
+ if (mp->nummsg == 0) {
+ adios(NULL, "no messages in draft folder %s", draftfolder);
+ }
+ /* parse all the message ranges/sequences and set SELECTED */
+ for (msgnum = 0; msgnum < msgp; msgnum++) {
+ if (!m_convert(mp, msgs[msgnum])) {
+ done(1);
+ }
+ }
+ seq_setprev(mp);
+
+ for (msgp = 0, msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
+ if (is_selected(mp, msgnum)) {
+ files[nfiles++] = getcpy(m_name(msgnum));
+ unset_exists(mp, msgnum);
+ }
+ }
+
+ mp->msgflags |= SEQMOD;
+ seq_save(mp);
+
+ if (!(cp = getenv("SIGNATURE")) || !*cp) {
+ if ((cp = context_find("signature")) && *cp) {
+ m_putenv("SIGNATURE", cp);
+ }
+ }
+
+ for (msgnum = 0; msgnum < nfiles; msgnum++) {
+ if (stat(files[msgnum], &st) == NOTOK) {
+ adios(files[msgnum], "unable to stat draft file");
+ }
+ }
+
+ if (!(annotext = getenv("mhannotate")) || !*annotext) {
+ annotext = NULL;
+ }
+ if (!(altmsg = getenv("mhaltmsg")) || !*altmsg) {
+ altmsg = NULL; /* used by dist interface - see below */
+ }
+
+ if ((cp = getenv("mhdist")) && *cp && (distsw = atoi(cp)) && altmsg) {
+ vec[vecp++] = "-dist";
+ if ((in = open(altmsg, O_RDONLY)) == NOTOK) {
+ adios(altmsg, "unable to open for reading");
+ }
+ fstat(in, &st2);
+ distfile = getcpy(m_mktemp2(NULL, invo_name, NULL, NULL));
+ if ((out = creat(distfile, (int)st2.st_mode & 0777))==NOTOK) {
+ adios(distfile, "unable to open for writing");
+ }
+ cpydata(in, out, altmsg, distfile);
+ close(in);
+ close(out);
} else {
- msgs[msgp++] = cp;
- }
- }
-
- /*
- * check for "Aliasfile:" profile entry
- */
- if ((cp = context_find ("Aliasfile"))) {
- char *dp = NULL;
-
- for (ap = brkstring(dp = getcpy(cp), " ", "\n"); ap && *ap; ap++) {
- vec[vecp++] = "-alias";
- vec[vecp++] = *ap;
- }
- }
-
- if (dfolder == NULL) {
- if (msgp == 0) {
-#ifdef WHATNOW
- if ((cp = getenv ("mhdraft")) && *cp) {
- msgs[msgp++] = cp;
- goto go_to_it;
- }
-#endif /* WHATNOW */
- msgs[msgp++] = getcpy (m_draft (NULL, NULL, 1, &isdf));
- if (stat (msgs[0], &st) == NOTOK)
- adios (msgs[0], "unable to stat draft file");
- cp = concat ("Use \"", msgs[0], "\"? ", NULL);
- for (status = LISTDSW; status != YESW;) {
- if (!(argp = getans (cp, anyl)))
- done (1);
- switch (status = smatch (*argp, anyl)) {
- case NOSW:
- done (0);
- case YESW:
+ distfile = NULL;
+ }
+
+ if (!altmsg || stat(altmsg, &st) == NOTOK) {
+ st.st_mtime = 0;
+ st.st_dev = 0;
+ st.st_ino = 0;
+ }
+ if (pushsw) {
+ push();
+ }
+ status = 0;
+ vec[0] = mhbasename(postproc);
+ closefds(3);
+
+ for (msgnum = 0; msgnum < nfiles; msgnum++) {
+ switch (sendsbr(vec, vecp, files[msgnum], &st, 1)) {
+ case DONE:
+ done(++status);
+ case NOTOK:
+ status++; /* fall */
+ case OK:
break;
- case LISTDSW:
- showfile (++argp, msgs[0]);
+ }
+ }
+
+ context_save();
+ done(status);
+ return 1;
+}
+
+
+/*
+** message sending back-end
+*/
+static int
+sendsbr(char **vec, int vecp, char *drft, struct stat *st, int rename_drft)
+{
+ int status;
+ char buffer[BUFSIZ];
+ char *original_draft;
+ char *p; /* string pointer for building file name */
+
+ /*
+ ** Save the original name of the draft file. The name of the
+ ** draft file is changed to a temporary file containing the built
+ ** MIME message if there are attachments. We need the original
+ ** name so that it can be renamed after the message is sent.
+ */
+ original_draft = drft;
+
+ /*
+ ** Convert the draft to a MIME message.
+ ** Use the mhbuild composition file for the draft if there was
+ ** a successful conversion because that now contains the MIME
+ ** message. A nice side effect of this is that it leaves the
+ ** original draft file untouched so that it can be retrieved
+ ** and modified if desired.
+ */
+ switch (attach(drft)) {
+ case OK:
+ drft = composition_file_name;
+ break;
+
+ case NOTOK:
+ return (NOTOK);
+
+ case DONE:
+ break;
+ }
+
+ done=armed_done;
+ switch (setjmp(env)) {
+ case OK:
+ status = sendaux(vec, vecp, drft, st) ? NOTOK : OK;
+ /* rename the original draft */
+ if (rename_drft && status == OK &&
+ rename(original_draft, strncpy(buffer,
+ m_backup(original_draft), sizeof(buffer)))
+ == NOTOK) {
+ advise(buffer, "unable to rename %s to", drft);
+ }
+ break;
+
+ default:
+ status = DONE;
+ break;
+ }
+
+ done=exit;
+ if (distfile) {
+ unlink(distfile);
+ }
+
+ /*
+ ** Get rid of any temporary files that we created for attachments.
+ ** Also get rid of the renamed composition file that mhbuild
+ ** leaves as a turd. It looks confusing, but we use the body
+ ** file name to help build the renamed composition file name.
+ */
+ if (drft == composition_file_name) {
+ clean_up_temporary_files();
+
+ if (strlen(composition_file_name) >=
+ sizeof (composition_file_name) - 6) {
+ advise(NULL, "unable to remove original composition file.");
+ } else {
+ if (!(p = strrchr(composition_file_name, '/'))) {
+ p = composition_file_name;
+ } else {
+ p++;
+ }
+ strcpy(body_file_name, p);
+ *p++ = ',';
+ strcpy(p, body_file_name);
+ strcat(p, ".orig");
+
+ unlink(composition_file_name);
+ }
+ }
+
+ return status;
+}
+
+static int
+attach(char *draft_file_name)
+{
+ char buf[MAXPATHLEN + 6];
+ int c;
+ int has_attachment;
+ int has_body;
+ int non_ascii; /* msg body contains non-ASCII chars */
+ int length; /* length of attachment header field name */
+ char *p;
+
+ if (!(draft_file = fopen(draft_file_name, "r"))) {
+ adios(NULL, "can't open draft file `%s'.", draft_file_name);
+ }
+
+ /* We'll grow the buffer as needed. */
+ field = (char *)mh_xmalloc(field_size = 256);
+
+ /*
+ ** Scan the draft file for an attachment header field name.
+ */
+ length = strlen(attach_hdr);
+ has_attachment = 0;
+ while (get_line() != EOF && *field != '\0' && *field != '-') {
+ if (strncasecmp(field, attach_hdr, length)==0 &&
+ field[length] == ':') {
+ has_attachment = 1;
+ }
+ }
+
+ /*
+ ** Look for at least one non-blank line in the body of the
+ ** message which indicates content in the body.
+ ** Check if body contains at least one non-blank (= not empty)
+ ** and if it contains any non-ASCII chars (= need MIME).
+ */
+ has_body = 0;
+ non_ascii = 0;
+ while (get_line() != EOF) {
+ for (p = field; *p != '\0'; p++) {
+ if (*p != ' ' && *p != '\t') {
+ has_body = 1;
+ }
+ if (*p > 127 || *p < 0) {
+ non_ascii = 1;
+ }
+ }
+ if (has_body && non_ascii) {
+ break; /* that's been already enough information */
+ }
+ }
+
+ if (!has_attachment && non_ascii==0) {
+ /* We don't need to convert it to MIME. */
+ return DONE;
+ }
+
+ /*
+ ** Else: mimify
+ */
+
+ /* Make names for the temporary files. */
+ strncpy(body_file_name,
+ m_mktemp(toabsdir(invo_name), NULL, NULL),
+ sizeof (body_file_name));
+ strncpy(composition_file_name,
+ m_mktemp(toabsdir(invo_name), NULL, NULL),
+ sizeof (composition_file_name));
+
+ if (has_body) {
+ body_file = fopen(body_file_name, "w");
+ }
+ composition_file = fopen(composition_file_name, "w");
+
+ if ((has_body && !body_file) || !composition_file) {
+ clean_up_temporary_files();
+ adios(NULL, "unable to open all of the temporary files.");
+ }
+
+ /* Copy non-attachment header fields to the temp composition file. */
+ rewind(draft_file);
+ while (get_line() != EOF && *field && *field != '-') {
+ if (strncasecmp(field, attach_hdr, length) != 0 ||
+ field[length] != ':') {
+ fprintf(composition_file, "%s\n", field);
+ }
+ }
+ fputs("--------\n", composition_file);
+
+ if (has_body) {
+ /* Copy the message body to the temporary file. */
+ while ((c = getc(draft_file)) != EOF) {
+ putc(c, body_file);
+ }
+ fclose(body_file);
+
+ /* Add a mhbuild MIME composition file line for the body */
+ /* charset will be discovered/guessed by mhbuild */
+ fprintf(composition_file, "#text/plain %s\n", body_file_name);
+ }
+
+ /*
+ ** Now, go back to the beginning of the draft file and look for
+ ** header fields that specify attachments. Add a mhbuild MIME
+ ** composition file for each.
+ */
+ rewind(draft_file);
+ while (get_line() != EOF && *field && *field != '-') {
+ if (strncasecmp(field, attach_hdr, length) == 0 &&
+ field[length] == ':') {
+ for (p = field+length+1; *p==' ' || *p=='\t'; p++) {
+ continue;
+ }
+ if (*p == '+') {
+ /* forwarded message */
+ fprintf(composition_file, "#forw [forwarded message(s)] %s\n", p);
+ } else {
+ /* regular attachment */
+ make_mime_composition_file_entry(p);
+ }
+ }
+ }
+ fclose(composition_file);
+
+ /* We're ready to roll! */
+ sprintf(buf, "mhbuild %s", composition_file_name);
+ if (system(buf) != 0) {
+ /* some problem */
+ clean_up_temporary_files();
+ return (NOTOK);
+ }
+
+ return (OK);
+}
+
+static void
+clean_up_temporary_files(void)
+{
+ unlink(body_file_name);
+ unlink(composition_file_name);
+
+ return;
+}
+
+static int
+get_line(void)
+{
+ int c; /* current character */
+ int n; /* number of bytes in buffer */
+ char *p;
+
+ /*
+ ** Get a line from the input file, growing the field buffer as
+ ** needed. We do this so that we can fit an entire line in the
+ ** buffer making it easy to do a string comparison on both the
+ ** field name and the field body which might be a long path name.
+ */
+ for (n = 0, p = field; (c = getc(draft_file)) != EOF; *p++ = c) {
+ if (c == '\n' && (c = getc(draft_file)) != ' ' && c != '\t') {
+ ungetc(c, draft_file);
+ c = '\n';
break;
- default:
- advise (NULL, "say what?");
+ }
+ if (++n >= field_size - 1) {
+ field = (char *)mh_xrealloc(field, field_size += 256);
+ p = field + n - 1;
+ }
+ }
+ *p = '\0';
+
+ return (c);
+}
+
+static void
+make_mime_composition_file_entry(char *file_name)
+{
+ FILE *fp;
+ struct node *np;
+ char *cp;
+ char content_type[BUFSIZ];
+ char cmdbuf[BUFSIZ];
+ char *cmd = mimetypequeryproc;
+
+ for (np = m_defs; np; np = np->n_next) {
+ if (strcasecmp(np->n_name, mimetypequery)==0) {
+ cmd = np->n_field;
break;
}
- }
- } else {
- for (msgnum = 0; msgnum < msgp; msgnum++)
- msgs[msgnum] = getcpy (m_maildir (msgs[msgnum]));
}
- } else {
- if (!context_find ("path"))
- free (path ("./", TFOLDER));
+ snprintf(cmdbuf, sizeof cmdbuf, "%s %s", cmd, file_name);
- if (!msgp)
- msgs[msgp++] = "cur";
- maildir = m_maildir (dfolder);
+ if (!(fp = popen(cmdbuf, "r"))) {
+ clean_up_temporary_files();
+ adios(NULL, "unable to determine content type with `%s'",
+ cmdbuf);
+ }
+ if (fgets(content_type, sizeof content_type, fp) &&
+ (cp = strrchr(content_type, '\n'))) {
+ *cp = '\0';
+ } else {
+ strcpy(content_type, "application/octet-stream");
+ admonish(NULL, "problems with `%s', using fall back type `%s'",
+ cmdbuf, content_type);
+ }
+ pclose(fp);
- if (chdir (maildir) == NOTOK)
- adios (maildir, "unable to change directory to");
+ /* TODO: don't use access(2) because it checks for ruid, not euid */
+ if (access(file_name, R_OK) != 0) {
+ clean_up_temporary_files();
+ adios(NULL, "unable to access file `%s'", file_name);
+ }
- /* read folder and create message structure */
- if (!(mp = folder_read (dfolder)))
- adios (NULL, "unable to read folder %s", dfolder);
+ fprintf(composition_file, "#%s; name=\"%s\" <>{attachment}",
+ content_type,
+ (!(cp = strrchr(file_name, '/'))) ? file_name : cp + 1);
- /* check for empty folder */
- if (mp->nummsg == 0)
- adios (NULL, "no messages in %s", dfolder);
+ fprintf(composition_file, " %s\n", file_name);
- /* parse all the message ranges/sequences and set SELECTED */
- for (msgnum = 0; msgnum < msgp; msgnum++)
- if (!m_convert (mp, msgs[msgnum]))
- done (1);
- seq_setprev (mp); /* set the previous-sequence */
+ return;
+}
- for (msgp = 0, msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
- if (is_selected (mp, msgnum)) {
- msgs[msgp++] = getcpy (m_name (msgnum));
- unset_exists (mp, msgnum);
- }
+/*
+** The back-end of the message sending back-end.
+** Annotate original message, and call `postproc' to send message.
+*/
+static int
+sendaux(char **vec, int vecp, char *drft, struct stat *st)
+{
+ pid_t child_id;
+ int status, fd;
+ char backup[BUFSIZ];
+
+ /*
+ ** fd collects the output of postproc, and is used for the
+ ** failure notice if we need to send one in alert().
+ */
+ fd = pushsw ? tmp_fd() : NOTOK;
+
+ vec[vecp++] = drft;
+ if (distfile && distout(drft, distfile, backup) == NOTOK) {
+ done(1);
+ }
+ vec[vecp] = NULL;
+
+ switch (child_id = fork()) {
+ case -1:
+ /* oops -- fork error */
+ adios("fork", "unable to");
+ break; /* NOT REACHED */
+
+ case 0:
+ /*
+ ** child process -- send it
+ **
+ ** If fd is ok, then we are pushing and fd points to temp
+ ** file, so capture anything on stdout and stderr there.
+ */
+ if (fd != NOTOK) {
+ dup2(fd, fileno(stdout));
+ dup2(fd, fileno(stderr));
+ close(fd);
+ }
+ execvp(postproc, vec);
+ fprintf(stderr, "unable to exec ");
+ perror(postproc);
+ _exit(-1);
+ break; /* NOT REACHED */
+
+ default:
+ /* parent process -- wait for it */
+ if ((status = pidwait(child_id, NOTOK)) == OK) {
+ if (annotext) {
+ anno(st);
+ }
+ } else {
+ /*
+ ** If postproc failed, and we have good fd (which
+ ** means we pushed), then mail error message
+ ** (and possibly the draft) back to the user.
+ */
+ if (fd != NOTOK) {
+ alert(drft, fd);
+ close(fd);
+ } else {
+ advise(NULL, "message not delivered to anyone");
+ }
+ if (distfile) {
+ unlink(drft);
+ if (rename(backup, drft) == NOTOK) {
+ advise(drft, "unable to rename %s to",
+ backup);
+ }
+ }
+ }
+ break;
}
- mp->msgflags |= SEQMOD;
- seq_save (mp);
- }
-
-#ifdef WHATNOW
-go_to_it:
-#endif /* WHATNOW */
-
- if ((cp = getenv ("SIGNATURE")) == NULL || *cp == 0)
- if ((cp = context_find ("signature")) && *cp)
- m_putenv ("SIGNATURE", cp);
-#ifdef UCI
- else {
- snprintf (buf, sizeof(buf), "%s/.signature", mypath);
- if ((fp = fopen (buf, "r")) != NULL
- && fgets (buf, sizeof buf, fp) != NULL) {
- fclose (fp);
- if (cp = strchr (buf, '\n'))
- *cp = 0;
- m_putenv ("SIGNATURE", buf);
- }
- }
-#endif /* UCI */
-
- for (msgnum = 0; msgnum < msgp; msgnum++)
- if (stat (msgs[msgnum], &st) == NOTOK)
- adios (msgs[msgnum], "unable to stat draft file");
-
- if ((annotext = getenv ("mhannotate")) == NULL || *annotext == 0)
- annotext = NULL;
- if (annotext && ((cp = getenv ("mhinplace")) != NULL && *cp != 0))
- inplace = atoi (cp);
- if ((altmsg = getenv ("mhaltmsg")) == NULL || *altmsg == 0)
- altmsg = NULL; /* used by dist interface - see below */
-
- if ((cp = getenv ("mhdist"))
- && *cp
- && (distsw = atoi (cp))
- && altmsg) {
- vec[vecp++] = "-dist";
- distfile = getcpy (m_mktemp2 (altmsg, invo_name, NULL, NULL));
- if (link (altmsg, distfile) == NOTOK) {
- if (errno != EXDEV
-#ifdef EISREMOTE
- && errno != EISREMOTE
-#endif /* EISREMOTE */
- )
- adios (distfile, "unable to link %s to", altmsg);
- free (distfile);
- distfile = getcpy (m_mktemp2(NULL, invo_name, NULL, NULL));
- {
- int in, out;
- struct stat st;
-
- if ((in = open (altmsg, O_RDONLY)) == NOTOK)
- adios (altmsg, "unable to open");
- fstat(in, &st);
- if ((out = creat (distfile, (int) st.st_mode & 0777)) == NOTOK)
- adios (distfile, "unable to write");
- cpydata (in, out, altmsg, distfile);
- close (in);
- close (out);
- }
- }
- } else {
- distfile = NULL;
- }
-
- if (altmsg == NULL || stat (altmsg, &st) == NOTOK) {
- st.st_mtime = 0;
- st.st_dev = 0;
- st.st_ino = 0;
- }
- if (pushsw)
- push ();
-
- status = 0;
- vec[0] = r1bindex (postproc, '/');
- closefds (3);
-
- for (msgnum = 0; msgnum < msgp; msgnum++) {
- switch (sendsbr (vec, vecp, msgs[msgnum], &st, 1, attach,
- attachformat)) {
- case DONE:
- done (++status);
- case NOTOK:
- status++; /* fall */
- case OK:
+ return status;
+}
+
+
+/*
+** Mail error notification (and possibly a copy of the
+** message) back to the user, using the mailproc
+*/
+static void
+alert(char *file, int out)
+{
+ pid_t child_id;
+ int in;
+ char buf[BUFSIZ];
+
+ switch (child_id = fork()) {
+ case NOTOK:
+ /* oops -- fork error */
+ advise("fork", "unable to");
+
+ case OK:
+ /* child process -- send it */
+ SIGNAL(SIGHUP, SIG_IGN);
+ SIGNAL(SIGINT, SIG_IGN);
+ SIGNAL(SIGQUIT, SIG_IGN);
+ SIGNAL(SIGTERM, SIG_IGN);
+ if (forwsw) {
+ if ((in = open(file, O_RDONLY)) == NOTOK) {
+ admonish(file, "unable to re-open");
+ } else {
+ lseek(out, (off_t) 0, SEEK_END);
+ strncpy(buf, "\nMessage not delivered to anyone.\n", sizeof(buf));
+ write(out, buf, strlen(buf));
+ strncpy(buf, "\n------- Unsent Draft\n\n", sizeof(buf));
+ write(out, buf, strlen(buf));
+ cpydgst(in, out, file, "temporary file");
+ close(in);
+ strncpy(buf, "\n------- End of Unsent Draft\n", sizeof(buf));
+ write(out, buf, strlen(buf));
+ if (rename(file, strncpy(buf, m_backup(file), sizeof(buf))) == NOTOK) {
+ admonish(buf, "unable to rename %s to", file);
+ }
+ }
+ }
+ lseek(out, (off_t) 0, SEEK_SET);
+ dup2(out, fileno(stdin));
+ close(out);
+ /* create subject for error notification */
+ snprintf(buf, sizeof(buf), "send failed on %s",
+ forwsw ? "enclosed draft" : file);
+ execlp(mailproc, mhbasename(mailproc), getusername(),
+ "-subject", buf, NULL);
+ fprintf(stderr, "unable to exec ");
+ perror(mailproc);
+ _exit(-1);
+
+ default: /* no waiting... */
break;
}
- }
+}
+
+
+static int
+tmp_fd(void)
+{
+ int fd;
+ char *tfile = NULL;
+
+ tfile = m_mktemp2(NULL, invo_name, &fd, NULL);
+ if (tfile == NULL) return NOTOK;
+ fchmod(fd, 0600);
+
+ if (debugsw) {
+ advise(NULL, "temporary file %s selected", tfile);
+ } else {
+ if (unlink(tfile) == NOTOK) {
+ advise(tfile, "unable to remove");
+ }
+ }
+
+ return fd;
+}
+
+
+static void
+anno(struct stat *st)
+{
+ struct stat st2;
+ char *msgs, *folder;
+ char buf[BUFSIZ];
+
+ if (altmsg && (stat(altmsg, &st2) == NOTOK ||
+ st->st_mtime != st2.st_mtime ||
+ st->st_dev != st2.st_dev ||
+ st->st_ino != st2.st_ino)) {
+ if (debugsw) {
+ admonish(NULL, "$mhaltmsg mismatch");
+ }
+ return;
+ }
+
+ if (!(folder = getenv("mhfolder")) || !*folder) {
+ if (debugsw) {
+ admonish(NULL, "$mhfolder not set");
+ }
+ return;
+ }
+ if (!(msgs = getenv("mhmessages")) || !*msgs) {
+ if (debugsw) {
+ admonish(NULL, "$mhmessages not set");
+ }
+ return;
+ }
+ if (debugsw) {
+ advise(NULL, "annotate as `%s': %s %s", annotext,
+ folder, msgs);
+ }
+ snprintf(buf, sizeof buf, "anno -comp '%s' '+%s' %s",
+ annotext, folder, msgs);
+ if (system(buf) != 0) {
+ advise(NULL, "unable to annotate");
+ }
+}
+
+
+static void
+armed_done(int status)
+{
+ longjmp(env, status ? status : NOTOK);
- context_save (); /* save the context file */
- done (status);
- return 1;
+ exit(status);
}
projects / mmh / blobdiff