/*
- * 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 <h/mime.h>
+#include <h/tws.h>
+#include <h/utils.h>
+#include <sysexits.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <sys/stat.h>
+#include <locale.h>
+
+#ifdef HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+#include <time.h>
+
+#ifdef HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+
+int debugsw = 0; /* global */
+char *altmsg = NULL;
+char *annotext = NULL;
+char *distfile = NULL;
+
+/* 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 prototypes
+*/
+static int sendsbr(char **, int, char *, struct stat *);
+static void anno(struct stat *);
+static int sendaux(char **, int, char *, struct stat *);
+static int attach(char *);
+static int signandenc(char *);
+static void clean_up_temporary_files(void);
+static int get_line(void);
+static void make_mime_composition_file_entry(char *);
+static char* strexit(int status);
static struct swit switches[] = {
-#define ALIASW 0
- { "alias aliasfile", 0 },
-#define DEBUGSW 1
+#define DEBUGSW 0
{ "debug", -5 },
-#define FILTSW 2
- { "filter filterfile", 0 },
-#define NFILTSW 3
- { "nofilter", 0 },
-#define FRMTSW 4
- { "format", 0 },
-#define NFRMTSW 5
- { "noformat", 0 },
-#define FORWSW 6
- { "forward", 0 },
-#define NFORWSW 7
- { "noforward", 0 },
-#define MIMESW 8
- { "mime", 0 },
-#define NMIMESW 9
- { "nomime", 0 },
-#define MSGDSW 10
- { "msgid", 0 },
-#define NMSGDSW 11
- { "nomsgid", 0 },
-#define PUSHSW 12
- { "push", 0 },
-#define NPUSHSW 13
- { "nopush", 0 },
-#define UNIQSW 14
- { "unique", -6 },
-#define NUNIQSW 15
- { "nounique", -8 },
-#define VERBSW 16
+#define VERBSW 1
{ "verbose", 0 },
-#define NVERBSW 17
- { "noverbose", 0 },
-#define WATCSW 18
- { "watch", 0 },
-#define NWATCSW 19
- { "nowatch", 0 },
-#define WIDTHSW 20
- { "width columns", 0 },
-#define VERSIONSW 21
- { "version", 0 },
-#define HELPSW 22
+#define NVERBSW 2
+ { "noverbose", 2 },
+#define VERSIONSW 3
+ { "Version", 0 },
+#define HELPSW 4
{ "help", 0 },
-#define BITSTUFFSW 23
- { "dashstuffing", -12 },
-#define NBITSTUFFSW 24
- { "nodashstuffing", -14 },
-#define MAILSW 25
- { "mail", -4 },
-#define SAMLSW 26
- { "saml", -4 },
-#define SENDSW 27
- { "send", -4 },
-#define SOMLSW 28
- { "soml", -4 },
-#define CLIESW 29
- { "client host", -6 },
-#define SERVSW 30
- { "server host", 6 },
-#define SNOOPSW 31
- { "snoop", 5 },
-#define ATTACHSW 32
- { "attach", 6 },
-#define ATTACHFORMATSW 33
- { "attachformat", 7 },
-#define PORTSW 34
- { "port server-port-name/number" , 4 },
{ NULL, 0 }
};
-extern int debugsw; /* from sendsbr.c */
-extern int forwsw;
-extern int inplace;
-extern int pushsw;
-extern int unique;
-extern int verbsw;
-
-extern char *altmsg; /* .. */
-extern char *annotext;
-extern char *distfile;
-
+char *version=VERSION;
int
-main (int argc, char **argv)
+main(int argc, char **argv)
{
- int msgp = 0, distsw = 0, vecp = 1;
- int mime = 0;
+ int nmsgs = 0, nfiles = 0, distsw = 0, vecp = 1;
int msgnum, status;
- char *cp, *maildir = NULL;
- char buf[BUFSIZ], **ap, **argp, **arguments;
+ int in, out;
+ int n;
+ char *cp, *maildir = NULL, *folder = NULL;
+ char buf[BUFSIZ], **argp, **arguments;
char *msgs[MAXARGS], *vec[MAXARGS];
+ char *files[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 */
+ struct stat st2;
-#ifdef LOCALE
setlocale(LC_ALL, "");
-#endif
- invo_name = r1bindex (argv[0], '/');
+ invo_name = mhbasename(argv[0]);
/* read user profile/context */
context_read();
- arguments = getarguments (invo_name, argc, argv, 1);
+ 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 PUSHSW:
- pushsw++;
- continue;
- case NPUSHSW:
- pushsw = 0;
- 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;
- }
- }
- ++argp;
- continue;
+ switch (smatch(++cp, switches)) {
+ case AMBIGSW:
+ ambigsw(cp, switches);
+ exit(EX_USAGE);
+ case UNKWNSW:
+ adios(EX_USAGE, NULL, "-%s unknown\n", cp);
+
+ case HELPSW:
+ snprintf(buf, sizeof(buf),
+ "%s [file] [switches]",
+ invo_name);
+ print_help(buf, switches, 1);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
+ case VERSIONSW:
+ print_version(invo_name);
+ exit(argc == 2 ? EX_OK : EX_USAGE);
+
+ case DEBUGSW:
+ debugsw++;
+ /* fall */
+ case VERBSW:
+ case NVERBSW:
+ vec[vecp++] = --cp;
+ continue;
+ }
+ } else if (*cp == '+' || *cp == '@') {
+ if (folder) {
+ adios(EX_USAGE, NULL, "only one folder at a time!");
+ } else {
+ folder = mh_xstrdup(expandfol(cp));
}
} else {
- msgs[msgp++] = cp;
+ if (*cp == '/') {
+ files[nfiles++] = cp;
+ } else {
+ msgs[nmsgs++] = 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 (!nmsgs && !nfiles) {
+ msgs[nmsgs++] = seq_cur;
}
- if (!context_find ("path"))
- free (path ("./", TFOLDER));
-
- if (!msgp)
- msgs[msgp++] = "cur";
- maildir = m_maildir (draftfolder);
-
- if (chdir (maildir) == NOTOK)
- adios (maildir, "unable to change directory to");
-
- /* read folder and create message structure */
- if (!(mp = folder_read (draftfolder)))
- adios (NULL, "unable to read draft folder %s", draftfolder);
+ if (nmsgs) {
+ folder = folder ? folder : draftfolder;
+ maildir = toabsdir(folder);
+ if (chdir(maildir) == NOTOK) {
+ adios(EX_OSERR, maildir, "unable to change directory to");
+ }
+ if (!(mp = folder_read(folder))) {
+ adios(EX_IOERR, NULL, "unable to read folder %s",
+ folder);
+ }
+ if (mp->nummsg == 0) {
+ adios(EX_DATAERR, NULL, "no messages in folder %s",
+ folder);
+ }
+ /* parse all the msgranges/sequences and set SELECTED */
+ for (msgnum = 0; msgnum < nmsgs; msgnum++) {
+ if (!m_convert(mp, msgs[msgnum])) {
+ exit(EX_USAGE);
+ }
+ }
+ seq_setprev(mp);
- /* check for empty folder */
- if (mp->nummsg == 0)
- adios (NULL, "no messages in draft folder %s", draftfolder);
+ for (nmsgs = 0, msgnum = mp->lowsel;
+ msgnum <= mp->hghsel; msgnum++) {
+ if (is_selected(mp, msgnum)) {
+ files[nfiles++] = mh_xstrdup(m_name(msgnum));
+ unset_exists(mp, msgnum);
+ }
+ }
- /* 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 */
+ mp->msgflags |= SEQMOD;
+ seq_save(mp);
+ }
- 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);
+ if (!(cp = getenv("SIGNATURE")) || !*cp) {
+ if ((cp = context_find("signature")) && *cp) {
+ m_putenv("SIGNATURE", cp);
}
}
- mp->msgflags |= SEQMOD;
- seq_save (mp);
-
- 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);
- }
+ for (n = 0; n < nfiles; n++) {
+ if (stat(files[n], &st) == NOTOK) {
+ adios(EX_IOERR, files[n], "unable to stat draft file");
}
-#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)
+ if (!(annotext = getenv("mhannotate")) || !*annotext) {
annotext = NULL;
- if (annotext && ((cp = getenv ("mhinplace")) != NULL && *cp != 0))
- inplace = atoi (cp);
- if ((altmsg = getenv ("mhaltmsg")) == NULL || *altmsg == 0)
+ }
+ if (!(altmsg = getenv("mhaltmsg")) || !*altmsg) {
altmsg = NULL; /* used by dist interface - see below */
+ }
- if ((cp = getenv ("mhdist"))
- && *cp
- && (distsw = atoi (cp))
- && altmsg) {
+ 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);
- }
+ if ((in = open(altmsg, O_RDONLY)) == NOTOK) {
+ adios(EX_IOERR, altmsg, "unable to open for reading");
+ }
+ fstat(in, &st2);
+ distfile = mh_xstrdup(m_mktemp2(NULL, invo_name, NULL, NULL));
+ if ((out = creat(distfile, (int)st2.st_mode & 0777))==NOTOK) {
+ adios(EX_IOERR, distfile, "unable to open for writing");
}
+ cpydata(in, out, altmsg, distfile);
+ close(in);
+ close(out);
} else {
distfile = NULL;
}
- if (altmsg == NULL || stat (altmsg, &st) == NOTOK) {
+ 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] = 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:
- break;
+ vec[0] = "spost";
+ for (n=3; n<OPEN_MAX; n++) {
+ close(n);
+ }
+
+ for (n = 0; n < nfiles; n++) {
+ switch (sendsbr(vec, vecp, files[n], &st)) {
+ case DONE:
+ exit(++status);
+ case NOTOK:
+ status++; /* fall */
+ case OK:
+ break;
}
}
- context_save (); /* save the context file */
- done (status);
- return 1;
+ context_save();
+ return status;
+}
+
+
+/*
+** message sending back-end
+*/
+static int
+sendsbr(char **vec, int vecp, char *drft, struct stat *st)
+{
+ int status, dupfd;
+ char *original_draft;
+
+ /*
+ ** 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:
+ /* successfully MIMEified: use generate draft */
+ drft = composition_file_name;
+ break;
+
+ case NOTOK:
+ return (NOTOK);
+
+ case DONE:
+ /* already in MIME format: keep original draft */
+ break;
+ }
+
+ /*
+ ** Sign and encrypt the message as needed.
+ ** 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 (signandenc(drft)) {
+ case OK:
+ drft = composition_file_name;
+ break;
+
+ case NOTOK:
+ return (NOTOK);
+
+ case DONE:
+ break;
+ }
+
+ if ((status = sendaux(vec, vecp, drft, st)) == OK) {
+ /* move original draft to +trash folder */
+ /* temporary close stdin, for refile not to ask */
+ dupfd = dup(0);
+ close(0);
+ if (execprogl("refile", "refile", "-file",
+ original_draft, "+trash",
+ (char *)NULL) != 0) {
+ advise(NULL, "unable to trash the draft");
+ }
+ dup2(dupfd, 0);
+ close(dupfd);
+ } else {
+ status = DONE;
+ }
+
+ if (distfile) {
+ unlink(distfile);
+ }
+
+ /* Get rid of temporary files that we created for attachments. */
+ if (drft == composition_file_name) {
+ clean_up_temporary_files();
+ }
+
+ return status;
+}
+
+static int
+attach(char *draft_file_name)
+{
+ char buf[MAXPATHLEN + 6];
+ int c;
+ int length = strlen(attach_hdr);
+ char *p;
+
+ if(distfile) {
+ return DONE;
+ }
+
+ if (!(draft_file = fopen(draft_file_name, "r"))) {
+ adios(EX_IOERR, NULL, "can't open draft file `%s'.", draft_file_name);
+ }
+
+ /* We'll grow the buffer as needed. */
+ field = mh_xcalloc(field_size = 256, sizeof(char));
+
+ /*
+ ** MIMEify
+ */
+
+ /* 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));
+
+ body_file = fopen(body_file_name, "w");
+ composition_file = fopen(composition_file_name, "w");
+
+ if (!body_file || !composition_file) {
+ clean_up_temporary_files();
+ adios(EX_IOERR, 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, VRSN_FIELD, strlen(VRSN_FIELD))==0 &&
+ field[strlen(VRSN_FIELD)] == ':') {
+ /*
+ ** The draft is already in MIME format, thus
+ ** back out and use the original draft file.
+ */
+ clean_up_temporary_files();
+ return DONE;
+ }
+
+ if (strncasecmp(field, attach_hdr, length) != 0 ||
+ field[length] != ':') {
+ fprintf(composition_file, "%s\n", field);
+ }
+ }
+ fputs("--------\n", composition_file);
+
+ /* 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] == ':') {
+ p = trim(field+length+1);
+ 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! */
+ if (execprogl("mhbuild", "mhbuild", composition_file_name,
+ (char *)NULL) != 0) {
+ /* some problem */
+ clean_up_temporary_files();
+ return (NOTOK);
+ }
+ /* Remove the automatically created backup of mhbuild. */
+ snprintf(buf, sizeof buf, "%s.orig", composition_file_name);
+ if (unlink(buf) == -1) {
+ advise(NULL, "unable to remove original composition file.");
+ }
+
+ return (OK);
+}
+
+static int
+signandenc(char *draft_file_name)
+{
+ char buf[BUFSIZ];
+ int dosign = 0;
+ int doenc = 0;
+ int ret;
+
+ if(distfile) {
+ return DONE;
+ }
+
+ if (!(draft_file = fopen(draft_file_name, "r"))) {
+ adios(EX_IOERR, NULL, "can't open draft file `%s'.", draft_file_name);
+ }
+
+ /* We'll grow the buffer as needed. */
+ field = mh_xcalloc(field_size = 256, sizeof(char));
+
+ /* Scan the draft file for an attachment header field name. */
+ while (get_line() != EOF && *field != '\0' && *field != '-') {
+ if (strncasecmp(field, sign_hdr, strlen(sign_hdr))==0 &&
+ field[strlen(sign_hdr)] == ':') {
+ dosign = 1;
+ }
+ if (strncasecmp(field, enc_hdr, strlen(enc_hdr))==0 &&
+ field[strlen(enc_hdr)] == ':') {
+ doenc = 1;
+ }
+ }
+ if (!dosign && !doenc) {
+ return DONE;
+ }
+
+ strcpy(composition_file_name, draft_file_name);
+
+ /* We're ready to roll! */
+ if (doenc) {
+ ret = execprogl("mhsign", "mhsign", "-m", "-e",
+ draft_file_name, (char *)NULL);
+ } else {
+ ret = execprogl("mhsign", "mhsign", "-m",
+ draft_file_name, (char *)NULL);
+ }
+ if (ret != 0) {
+ /* some problem */
+ return (NOTOK);
+ }
+ /* Remove the automatically created backup of mhsign. */
+ snprintf(buf, sizeof buf, "%s.orig", draft_file_name);
+ if (unlink(buf) == -1) {
+ advise(NULL, "unable to remove original draft file.");
+ }
+
+ 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;
+ }
+ if (++n >= field_size - 1) {
+ field = 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;
+ int semicolon = 0;
+
+ for (np = m_defs; np; np = np->n_next) {
+ if (strcasecmp(np->n_name, mimetypequery)==0) {
+ cmd = np->n_field;
+ break;
+ }
+ }
+ snprintf(cmdbuf, sizeof cmdbuf, "%s %s", cmd, file_name);
+
+ if (!(fp = popen(cmdbuf, "r"))) {
+ clean_up_temporary_files();
+ adios(EX_IOERR, 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);
+
+ /* 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(EX_IOERR, NULL, "unable to access file `%s'", file_name);
+ }
+
+ /* Check for broken file(1). See man page mh-profile(5). */
+ for (cp=content_type; *cp; cp++) {
+ if (isspace(*cp)) {
+ if (!semicolon) {
+ adios(EX_SOFTWARE, NULL, "Sorry, your Mime-Type-Query command (%s) is broken.\n\tThe output misses a semicolon before the whitespace.\n\tOutput was: %s", cmd, content_type);
+ }
+ } else if (*cp == ';') {
+ semicolon = 1;
+ } else {
+ semicolon = 0;
+ }
+ }
+
+ cp = (!(cp = strrchr(file_name, '/'))) ? file_name : cp + 1;
+ fprintf(composition_file,
+ "#%s; name=\"%s\" <> [%s] {attachment} %s\n",
+ content_type, cp, cp, file_name);
+
+ return;
+}
+
+/*
+** The back-end of the message sending back-end.
+** Annotate original message, and call `spost' to send message.
+*/
+static int
+sendaux(char **vec, int vecp, char *drft, struct stat *st)
+{
+ pid_t child_id;
+ int status;
+ char backup[BUFSIZ];
+
+ vec[vecp++] = drft;
+ if (distfile && distout(drft, distfile, backup) == NOTOK) {
+ return DONE;
+ }
+ vec[vecp] = NULL;
+
+ switch (child_id = fork()) {
+ case -1:
+ /* oops -- fork error */
+ advise("fork", "unable to");
+ return DONE;
+
+ case 0:
+ /* child process -- send it */
+ execvp(*vec, vec);
+ fprintf(stderr, "unable to exec ");
+ perror(*vec);
+ _exit(EX_OSERR);
+ break; /* NOT REACHED */
+
+ default:
+ /* parent process -- wait for it */
+ status = pidwait(child_id, NOTOK);
+ if (WIFEXITED(status) && WEXITSTATUS(status) == EX_OK) {
+ if (annotext) {
+ anno(st);
+ }
+ } else {
+ /* spost failed */
+ advise(NULL, "%s", strexit(status));
+ if (distfile) {
+ unlink(drft);
+ if (rename(backup, drft) == NOTOK) {
+ advise(drft, "unable to rename %s to",
+ backup);
+ }
+ }
+ }
+ }
+
+ return status ? NOTOK : status;
+}
+
+
+static void
+anno(struct stat *st)
+{
+ struct stat st2;
+ char *msgs, *folder;
+ char buf[BUFSIZ];
+ char *vec[MAXARGS];
+ int vecp = 0;
+ char *cp, *dp;
+
+ 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);
+ }
+ vec[vecp++] = "anno";
+ vec[vecp++] = "-comp";
+ vec[vecp++] = annotext;
+ snprintf(buf, sizeof buf, "+%s", folder);
+ vec[vecp++] = buf;
+
+ while (isspace(*msgs)) {
+ msgs++;
+ }
+ for (cp=dp=msgs; *cp; cp++) {
+ if (isspace(*cp)) {
+ while (isspace(*cp)) {
+ *cp++ = '\0';
+ }
+ vec[vecp++] = dp;
+ dp = cp;
+ }
+ }
+ vec[vecp++] = dp;
+ vec[vecp] = NULL;
+ if (execprog(*vec, vec) != 0) {
+ advise(NULL, "unable to annotate");
+ }
+}
+
+
+char*
+strexit(int status)
+{
+ if (WIFSIGNALED(status)) {
+ return "spost or sendmail killed by signal";
+ }
+ if (!WIFEXITED(status)) {
+ return "message not delivered to anyone";
+ }
+ switch (WEXITSTATUS(status)) {
+ case EX_TEMPFAIL:
+ return "Temporary error, maybe the MTA has queued the message";
+ default:
+ return "message not delivered to anyone";
+ }
}
projects / mmh / blobdiff