folder.c forw.c inc.c mmh.sh mark.c md5.c mhbuild.c \
mhcachesbr.c mhfree.c mhl.c mhlist.c mhlistsbr.c \
mhmail.c mhmisc.c mhoutsbr.c mhparam.c mhparse.c \
- mhpath.c mhshow.c mhshowsbr.c mhstore.c mhstoresbr.c mhtest.c \
+ mhpath.c mhshow.c mhshowsbr.c mhstore.c mhtest.c \
msgchk.c new.c packf.c pick.c print-mimetype.sh \
prompter.c rcvdist.c rcvpack.c rcvstore.c \
refile.c repl.c rmf.c rmm.c scan.c scansbr.c send.c \
mhshow: mhshow.o mhparse.o mhcachesbr.o mhshowsbr.o mhlistsbr.o mhmisc.o mhfree.o termsbr.o md5.o $(LOCALLIBS)
$(LINK) mhshow.o mhparse.o mhcachesbr.o mhshowsbr.o mhlistsbr.o mhmisc.o mhfree.o termsbr.o md5.o $(LINKLIBS) $(TERMLIB)
-mhstore: mhstore.o mhparse.o mhcachesbr.o mhshowsbr.o mhlistsbr.o mhstoresbr.o mhmisc.o mhfree.o termsbr.o md5.o $(LOCALLIBS)
- $(LINK) mhstore.o mhparse.o mhcachesbr.o mhshowsbr.o mhlistsbr.o mhstoresbr.o mhmisc.o mhfree.o termsbr.o md5.o $(LINKLIBS) $(TERMLIB)
+mhstore: mhstore.o mhparse.o mhcachesbr.o mhshowsbr.o mhlistsbr.o mhmisc.o mhfree.o termsbr.o md5.o $(LOCALLIBS)
+ $(LINK) mhstore.o mhparse.o mhcachesbr.o mhshowsbr.o mhlistsbr.o mhmisc.o mhfree.o termsbr.o md5.o $(LINKLIBS) $(TERMLIB)
mhtest: mhtest.o mhparse.o mhcachesbr.o mhoutsbr.o mhmisc.o mhfree.o termsbr.o md5.o $(LOCALLIBS)
$(LINK) mhtest.o mhparse.o mhcachesbr.o mhoutsbr.o mhmisc.o mhfree.o termsbr.o md5.o $(LINKLIBS) $(TERMLIB)
#include <h/signals.h>
#include <h/md5.h>
#include <errno.h>
+#include <setjmp.h>
#include <signal.h>
#include <h/tws.h>
#include <h/mime.h>
extern char *cache_public;
extern char *cache_private;
-/* mhstoresbr.c */
-extern int autosw;
-extern char *cwd; /* cache current working directory */
-
/* mhmisc.c */
extern int npart;
extern int ntype;
void set_endian(void);
void flush_errors(void);
-/* mhstoresbr.c */
-void store_all_messages(CT *);
-
/* mhfree.c */
void free_content(CT);
-extern CT *cts;
+extern CT *cts; /* The list of top-level contents to display */
void freects_done(int) NORETURN;
/*
*/
static RETSIGTYPE pipeser(int);
+int autosw = 0;
+
+/*
+** Cache of current directory. This must be
+** set before these routines are called.
+*/
+char *cwd;
+
+/*
+** The directory in which to store the contents.
+*/
+static char *dir;
+
+/*
+** Type for a compare function for qsort. This keeps
+** the compiler happy.
+*/
+typedef int (*qsort_comp) (const void *, const void *);
+
+
+/* mhmisc.c */
+int part_ok(CT, int);
+int type_ok(CT, int);
+int make_intermediates(char *);
+void flush_errors(void);
+
+/* mhshowsbr.c */
+int show_content_aux(CT, int, int, char *, char *);
+
+/*
+** static prototypes
+*/
+static void store_single_message(CT);
+static int store_switch(CT);
+static int store_generic(CT);
+static int store_application(CT);
+static int store_multi(CT);
+static int store_partial(CT);
+static int store_external(CT);
+static int ct_compar(CT *, CT *);
+static int store_content(CT, CT);
+static int output_content_file(CT, int);
+static int output_content_folder(char *, char *);
+static int parse_format_string(CT, char *, char *, int, char *);
+static void get_storeproc(CT);
+static int copy_some_headers(FILE *, CT);
+static void store_all_messages(CT *);
+
int
main(int argc, char **argv)
done(1);
/* NOTREACHED */
}
+
+
+/*
+** Main entry point to store content from a collection of messages.
+*/
+static void
+store_all_messages(CT *cts)
+{
+ CT ct, *ctp;
+ char *cp;
+
+ /*
+ ** Check for the directory in which to
+ ** store any contents.
+ */
+ if (autosw)
+ dir = getcpy(cwd);
+ else if ((cp = context_find(nmhstorage)) && *cp)
+ dir = getcpy(cp);
+ else
+ dir = getcpy(cwd);
+
+ for (ctp = cts; *ctp; ctp++) {
+ ct = *ctp;
+ store_single_message(ct);
+ }
+
+ flush_errors();
+}
+
+
+/*
+** Entry point to store the content
+** in a (single) message
+*/
+
+static void
+store_single_message(CT ct)
+{
+ if (type_ok(ct, 1)) {
+ umask(ct->c_umask);
+ store_switch(ct);
+ if (ct->c_fp) {
+ fclose(ct->c_fp);
+ ct->c_fp = NULL;
+ }
+ if (ct->c_ceclosefnx)
+ (*ct->c_ceclosefnx) (ct);
+ }
+}
+
+
+/*
+** Switching routine to store different content types
+*/
+
+static int
+store_switch(CT ct)
+{
+ switch (ct->c_type) {
+ case CT_MULTIPART:
+ return store_multi(ct);
+ break;
+
+ case CT_MESSAGE:
+ switch (ct->c_subtype) {
+ case MESSAGE_PARTIAL:
+ return store_partial(ct);
+ break;
+
+ case MESSAGE_EXTERNAL:
+ return store_external(ct);
+
+ case MESSAGE_RFC822:
+ default:
+ return store_generic(ct);
+ break;
+ }
+ break;
+
+ case CT_APPLICATION:
+ return store_application(ct);
+ break;
+
+ case CT_TEXT:
+ case CT_AUDIO:
+ case CT_IMAGE:
+ case CT_VIDEO:
+ return store_generic(ct);
+ break;
+
+ default:
+ adios(NULL, "unknown content type %d", ct->c_type);
+ break;
+ }
+
+ return OK; /* NOT REACHED */
+}
+
+
+/*
+** Generic routine to store a MIME content.
+** (audio, video, image, text, message/rfc922)
+*/
+
+static int
+store_generic(CT ct)
+{
+ /*
+ ** Check if the content specifies a filename.
+ ** Don't bother with this for type "message"
+ ** (only "message/rfc822" will use store_generic).
+ */
+ if (autosw && ct->c_type != CT_MESSAGE)
+ get_storeproc(ct);
+
+ return store_content(ct, NULL);
+}
+
+
+/*
+** Store content of type "application"
+*/
+
+static int
+store_application(CT ct)
+{
+ char **ap, **ep;
+ CI ci = &ct->c_ctinfo;
+
+ /* Check if the content specifies a filename */
+ if (autosw)
+ get_storeproc(ct);
+
+ /*
+ ** If storeproc is not defined, and the content is type
+ ** "application/octet-stream", we also check for various
+ ** attribute/value pairs which specify if this a tar file.
+ */
+ if (!ct->c_storeproc && ct->c_subtype == APPLICATION_OCTETS) {
+ int tarP = 0, zP = 0, gzP = 0;
+
+ for (ap = ci->ci_attrs, ep = ci->ci_values; *ap; ap++, ep++) {
+ /* check for "type=tar" attribute */
+ if (!mh_strcasecmp(*ap, "type")) {
+ if (mh_strcasecmp(*ep, "tar"))
+ break;
+
+ tarP = 1;
+ continue;
+ }
+
+ /* check for "conversions=compress" attribute */
+ if ((!mh_strcasecmp(*ap, "conversions") ||
+ !mh_strcasecmp(*ap, "x-conversions"))
+ && (!mh_strcasecmp(*ep, "compress") ||
+ !mh_strcasecmp(*ep, "x-compress"))) {
+ zP = 1;
+ continue;
+ }
+ /* check for "conversions=gzip" attribute */
+ if ((!mh_strcasecmp(*ap, "conversions") ||
+ !mh_strcasecmp(*ap, "x-conversions"))
+ && (!mh_strcasecmp(*ep, "gzip") ||
+ !mh_strcasecmp(*ep, "x-gzip"))) {
+ gzP = 1;
+ continue;
+ }
+ }
+
+ if (tarP) {
+ ct->c_showproc = getcpy(zP ? "%euncompress | tar tvf -" : (gzP ? "%egzip -dc | tar tvf -" : "%etar tvf -"));
+ if (!ct->c_storeproc) {
+ if (autosw) {
+ ct->c_storeproc = getcpy(zP ? "| uncompress | tar xvpf -" : (gzP ? "| gzip -dc | tar xvpf -" : "| tar xvpf -"));
+ ct->c_umask = 0022;
+ } else {
+ ct->c_storeproc= getcpy(zP ? "%m%P.tar.Z" : (gzP ? "%m%P.tar.gz" : "%m%P.tar"));
+ }
+ }
+ }
+ }
+
+ return store_content(ct, NULL);
+}
+
+
+/*
+** Store the content of a multipart message
+*/
+
+static int
+store_multi(CT ct)
+{
+ int result;
+ struct multipart *m = (struct multipart *) ct->c_ctparams;
+ struct part *part;
+
+ result = NOTOK;
+ for (part = m->mp_parts; part; part = part->mp_next) {
+ CT p = part->mp_part;
+
+ if (part_ok(p, 1) && type_ok(p, 1)) {
+ result = store_switch(p);
+ if (result == OK && ct->c_subtype == MULTI_ALTERNATE)
+ break;
+ }
+ }
+
+ return result;
+}
+
+
+/*
+** Reassemble and store the contents of a collection
+** of messages of type "message/partial".
+*/
+
+static int
+store_partial(CT ct)
+{
+ int cur, hi, i;
+ CT p, *ctp, *ctq;
+ CT *base;
+ struct partial *pm, *qm;
+
+ qm = (struct partial *) ct->c_ctparams;
+ if (qm->pm_stored)
+ return OK;
+
+ hi = i = 0;
+ for (ctp = cts; *ctp; ctp++) {
+ p = *ctp;
+ if (p->c_type == CT_MESSAGE && p->c_subtype == ct->c_subtype) {
+ pm = (struct partial *) p->c_ctparams;
+ if (!pm->pm_stored &&
+ strcmp(qm->pm_partid, pm->pm_partid)
+ == 0) {
+ pm->pm_marked = pm->pm_partno;
+ if (pm->pm_maxno)
+ hi = pm->pm_maxno;
+ pm->pm_stored = 1;
+ i++;
+ } else
+ pm->pm_marked = 0;
+ }
+ }
+
+ if (hi == 0) {
+ advise(NULL, "missing (at least) last part of multipart message");
+ return NOTOK;
+ }
+
+ if ((base = (CT *) calloc((size_t) (i + 1), sizeof(*base))) == NULL)
+ adios(NULL, "out of memory");
+
+ ctq = base;
+ for (ctp = cts; *ctp; ctp++) {
+ p = *ctp;
+ if (p->c_type == CT_MESSAGE && p->c_subtype == ct->c_subtype) {
+ pm = (struct partial *) p->c_ctparams;
+ if (pm->pm_marked)
+ *ctq++ = p;
+ }
+ }
+ *ctq = NULL;
+
+ if (i > 1)
+ qsort((char *) base, i, sizeof(*base), (qsort_comp) ct_compar);
+
+ cur = 1;
+ for (ctq = base; *ctq; ctq++) {
+ p = *ctq;
+ pm = (struct partial *) p->c_ctparams;
+ if (pm->pm_marked != cur) {
+ if (pm->pm_marked == cur - 1) {
+ admonish(NULL, "duplicate part %d of %d part multipart message", pm->pm_marked, hi);
+ continue;
+ }
+
+missing_part:
+ advise (NULL, "missing %spart %d of %d part multipart message", cur != hi ? "(at least) " : "", cur, hi);
+ goto losing;
+ } else
+ cur++;
+ }
+ if (hi != --cur) {
+ cur = hi;
+ goto missing_part;
+ }
+
+ /*
+ ** Now cycle through the sorted list of messages of type
+ ** "message/partial" and save/append them to a file.
+ */
+
+ ctq = base;
+ ct = *ctq++;
+ if (store_content(ct, NULL) == NOTOK) {
+losing:
+ free((char *) base);
+ return NOTOK;
+ }
+
+ for (; *ctq; ctq++) {
+ p = *ctq;
+ if (store_content(p, ct) == NOTOK)
+ goto losing;
+ }
+
+ free((char *) base);
+ return OK;
+}
+
+
+/*
+** Store content from a message of type "message/external".
+*/
+
+static int
+store_external(CT ct)
+{
+ int result = NOTOK;
+ struct exbody *e = (struct exbody *) ct->c_ctparams;
+ CT p = e->eb_content;
+
+ if (!type_ok(p, 1))
+ return OK;
+
+ /*
+ ** Check if the parameters for the external body
+ ** specified a filename.
+ */
+ if (autosw) {
+ char *cp;
+
+ if ((cp = e->eb_name) && *cp != '/' && *cp != '.' &&
+ *cp != '|' && *cp != '!' && !strchr(cp, '%')) {
+ if (!ct->c_storeproc)
+ ct->c_storeproc = getcpy(cp);
+ if (!p->c_storeproc)
+ p->c_storeproc = getcpy(cp);
+ }
+ }
+
+ /*
+ ** Since we will let the Content structure for the
+ ** external body substitute for the current content,
+ ** we temporarily change its partno (number inside
+ ** multipart), so everything looks right.
+ */
+ p->c_partno = ct->c_partno;
+
+ /* we probably need to check if content is really there */
+ result = store_switch(p);
+
+ p->c_partno = NULL;
+ return result;
+}
+
+
+/*
+** Compare the numbering from two different
+** message/partials (needed for sorting).
+*/
+
+static int
+ct_compar(CT *a, CT *b)
+{
+ struct partial *am = (struct partial *) ((*a)->c_ctparams);
+ struct partial *bm = (struct partial *) ((*b)->c_ctparams);
+
+ return (am->pm_marked - bm->pm_marked);
+}
+
+
+/*
+** Store contents of a message or message part to
+** a folder, a file, the standard output, or pass
+** the contents to a command.
+**
+** If the current content to be saved is a followup part
+** to a collection of messages of type "message/partial",
+** then field "p" is a pointer to the Content structure
+** to the first message/partial in the group.
+*/
+
+static int
+store_content(CT ct, CT p)
+{
+ int appending = 0, msgnum = 0;
+ int is_partial = 0, first_partial = 0;
+ int last_partial = 0;
+ char *cp, buffer[BUFSIZ];
+
+ /*
+ ** Do special processing for messages of
+ ** type "message/partial".
+ **
+ ** We first check if this content is of type
+ ** "message/partial". If it is, then we need to check
+ ** whether it is the first and/or last in the group.
+ **
+ ** Then if "p" is a valid pointer, it points to the Content
+ ** structure of the first partial in the group. So we copy
+ ** the file name and/or folder name from that message. In
+ ** this case, we also note that we will be appending.
+ */
+ if (ct->c_type == CT_MESSAGE && ct->c_subtype == MESSAGE_PARTIAL) {
+ struct partial *pm = (struct partial *) ct->c_ctparams;
+
+ /* Yep, it's a message/partial */
+ is_partial = 1;
+
+ /* But is it the first and/or last in the collection? */
+ if (pm->pm_partno == 1)
+ first_partial = 1;
+ if (pm->pm_maxno && pm->pm_partno == pm->pm_maxno)
+ last_partial = 1;
+
+ /*
+ ** If "p" is a valid pointer, then it points to the
+ ** Content structure for the first message in the group.
+ ** So we just copy the filename or foldername information
+ ** from the previous iteration of this function.
+ */
+ if (p) {
+ appending = 1;
+ ct->c_storage = getcpy(p->c_storage);
+
+ /* record the folder name */
+ if (p->c_folder) {
+ ct->c_folder = getcpy(p->c_folder);
+ }
+ goto got_filename;
+ }
+ }
+
+ /*
+ ** Get storage formatting string.
+ **
+ ** 1) If we have storeproc defined, then use that
+ ** 2) Else check for a mhstore-store-<type>/<subtype> entry
+ ** 3) Else check for a mhstore-store-<type> entry
+ ** 4) Else if content is "message", use "+" (current folder)
+ ** 5) Else use string "%m%P.%s".
+ */
+ if ((cp = ct->c_storeproc) == NULL || *cp == '\0') {
+ CI ci = &ct->c_ctinfo;
+
+ snprintf(buffer, sizeof(buffer), "%s-store-%s/%s",
+ invo_name, ci->ci_type, ci->ci_subtype);
+ if ((cp = context_find(buffer)) == NULL || *cp == '\0') {
+ snprintf(buffer, sizeof(buffer), "%s-store-%s",
+ invo_name, ci->ci_type);
+ if ((cp = context_find(buffer)) == NULL ||
+ *cp == '\0') {
+ cp = ct->c_type == CT_MESSAGE ?
+ "+" : "%m%P.%s";
+ }
+ }
+ }
+
+ /*
+ ** Check the beginning of storage formatting string
+ ** to see if we are saving content to a folder.
+ */
+ if (*cp == '+' || *cp == '@') {
+ char *tmpfilenam, *folder;
+
+ /* Store content in temporary file for now */
+ tmpfilenam = m_mktemp(invo_name, NULL, NULL);
+ ct->c_storage = getcpy(tmpfilenam);
+
+ /* Get the folder name */
+ if (cp[1])
+ folder = getcpy(expandfol(cp));
+ else
+ folder = getcurfol();
+
+ /* Check if folder exists */
+ create_folder(toabsdir(folder), 0, exit);
+
+ /* Record the folder name */
+ ct->c_folder = getcpy(folder);
+
+ if (cp[1])
+ free(folder);
+
+ goto got_filename;
+ }
+
+ /*
+ ** Parse and expand the storage formatting string
+ ** in `cp' into `buffer'.
+ */
+ parse_format_string(ct, cp, buffer, sizeof(buffer), dir);
+
+ /*
+ ** If formatting begins with '|' or '!', then pass
+ ** content to standard input of a command and return.
+ */
+ if (buffer[0] == '|' || buffer[0] == '!')
+ return show_content_aux(ct, 1, 0, buffer + 1, dir);
+
+ /* record the filename */
+ ct->c_storage = getcpy(buffer);
+
+got_filename:
+ /* flush the output stream */
+ fflush(stdout);
+
+ /* Now save or append the content to a file */
+ if (output_content_file(ct, appending) == NOTOK)
+ return NOTOK;
+
+ /*
+ ** If necessary, link the file into a folder and remove
+ ** the temporary file. If this message is a partial,
+ ** then only do this if it is the last one in the group.
+ */
+ if (ct->c_folder && (!is_partial || last_partial)) {
+ msgnum = output_content_folder(ct->c_folder, ct->c_storage);
+ unlink(ct->c_storage);
+ if (msgnum == NOTOK)
+ return NOTOK;
+ }
+
+ /*
+ ** Now print out the name/number of the message
+ ** that we are storing.
+ */
+ if (is_partial) {
+ if (first_partial)
+ fprintf(stderr, "reassembling partials ");
+ if (last_partial)
+ fprintf(stderr, "%s", ct->c_file);
+ else
+ fprintf(stderr, "%s,", ct->c_file);
+ } else {
+ fprintf(stderr, "storing message %s", ct->c_file);
+ if (ct->c_partno)
+ fprintf(stderr, " part %s", ct->c_partno);
+ }
+
+ /*
+ ** Unless we are in the "middle" of group of message/partials,
+ ** we now print the name of the file, folder, and/or message
+ ** to which we are storing the content.
+ */
+ if (!is_partial || last_partial) {
+ if (ct->c_folder) {
+ fprintf(stderr, " to folder %s as message %d\n",
+ ct->c_folder, msgnum);
+ } else if (strcmp(ct->c_storage, "-")==0) {
+ fprintf(stderr, " to stdout\n");
+ } else {
+ int cwdlen;
+
+ cwdlen = strlen(cwd);
+ fprintf(stderr, " as file %s\n",
+ strncmp(ct->c_storage, cwd,
+ cwdlen)!=0 ||
+ ct->c_storage[cwdlen] != '/' ?
+ ct->c_storage :
+ ct->c_storage + cwdlen + 1);
+ }
+ }
+
+ return OK;
+}
+
+
+/*
+** Output content to a file
+*/
+
+static int
+output_content_file(CT ct, int appending)
+{
+ int filterstate;
+ char *file, buffer[BUFSIZ];
+ long pos, last;
+ FILE *fp;
+
+ /*
+ ** If the pathname is absolute, make sure
+ ** all the relevant directories exist.
+ */
+ if (strchr(ct->c_storage, '/') && make_intermediates(ct->c_storage)
+ == NOTOK)
+ return NOTOK;
+
+ if (ct->c_encoding != CE_7BIT) {
+ int cc, fd;
+
+ if (!ct->c_ceopenfnx) {
+ advise(NULL, "don't know how to decode part %s of message %s", ct->c_partno, ct->c_file);
+ return NOTOK;
+ }
+
+ file = appending || strcmp(ct->c_storage, "-")==0 ?
+ NULL : ct->c_storage;
+ if ((fd = (*ct->c_ceopenfnx) (ct, &file)) == NOTOK)
+ return NOTOK;
+ if (strcmp(file, ct->c_storage)==0) {
+ (*ct->c_ceclosefnx) (ct);
+ return OK;
+ }
+
+ /*
+ ** Send to standard output
+ */
+ if (strcmp(ct->c_storage, "-")==0) {
+ int gd;
+
+ if ((gd = dup(fileno(stdout))) == NOTOK) {
+ advise("stdout", "unable to dup");
+losing:
+ (*ct->c_ceclosefnx) (ct);
+ return NOTOK;
+ }
+ if ((fp = fdopen(gd, appending ? "a" : "w")) == NULL) {
+ advise("stdout", "unable to fdopen (%d, \"%s\") from", gd, appending ? "a" : "w");
+ close(gd);
+ goto losing;
+ }
+ } else {
+ /*
+ ** Open output file
+ */
+ if ((fp = fopen(ct->c_storage, appending ? "a" : "w"))
+ == NULL) {
+ advise(ct->c_storage, "unable to fopen for %s",
+ appending ?
+ "appending" : "writing");
+ goto losing;
+ }
+ }
+
+ /*
+ ** Filter the header fields of the initial enclosing
+ ** message/partial into the file.
+ */
+ if (ct->c_type == CT_MESSAGE && ct->c_subtype == MESSAGE_PARTIAL) {
+ struct partial *pm = (struct partial *) ct->c_ctparams;
+
+ if (pm->pm_partno == 1)
+ copy_some_headers(fp, ct);
+ }
+
+ for (;;) {
+ switch (cc = read(fd, buffer, sizeof(buffer))) {
+ case NOTOK:
+ advise(file, "error reading content from");
+ break;
+
+ case OK:
+ break;
+
+ default:
+ fwrite(buffer, sizeof(*buffer), cc, fp);
+ continue;
+ }
+ break;
+ }
+
+ (*ct->c_ceclosefnx) (ct);
+
+ if (cc != NOTOK && fflush(fp))
+ advise(ct->c_storage, "error writing to");
+
+ fclose(fp);
+
+ return (cc != NOTOK ? OK : NOTOK);
+ }
+
+ if (!ct->c_fp && (ct->c_fp = fopen(ct->c_file, "r")) == NULL) {
+ advise(ct->c_file, "unable to open for reading");
+ return NOTOK;
+ }
+
+ pos = ct->c_begin;
+ last = ct->c_end;
+ fseek(ct->c_fp, pos, SEEK_SET);
+
+ if (strcmp(ct->c_storage, "-")==0) {
+ int gd;
+
+ if ((gd = dup(fileno(stdout))) == NOTOK) {
+ advise("stdout", "unable to dup");
+ return NOTOK;
+ }
+ if ((fp = fdopen(gd, appending ? "a" : "w")) == NULL) {
+ advise("stdout", "unable to fdopen (%d, \"%s\") from",
+ gd, appending ? "a" : "w");
+ close(gd);
+ return NOTOK;
+ }
+ } else {
+ if ((fp = fopen(ct->c_storage, appending ? "a" : "w"))
+ == NULL) {
+ advise(ct->c_storage, "unable to fopen for %s",
+ appending ? "appending" : "writing");
+ return NOTOK;
+ }
+ }
+
+ /*
+ ** Copy a few of the header fields of the initial
+ ** enclosing message/partial into the file.
+ */
+ filterstate = 0;
+ if (ct->c_type == CT_MESSAGE && ct->c_subtype == MESSAGE_PARTIAL) {
+ struct partial *pm = (struct partial *) ct->c_ctparams;
+
+ if (pm->pm_partno == 1) {
+ copy_some_headers(fp, ct);
+ filterstate = 1;
+ }
+ }
+
+ while (fgets(buffer, sizeof(buffer) - 1, ct->c_fp)) {
+ if ((pos += strlen(buffer)) > last) {
+ int diff;
+
+ diff = strlen(buffer) - (pos - last);
+ if (diff >= 0)
+ buffer[diff] = '\0';
+ }
+ /*
+ ** If this is the first content of a group of
+ ** message/partial contents, then we only copy a few
+ ** of the header fields of the enclosed message.
+ */
+ if (filterstate) {
+ switch (buffer[0]) {
+ case ' ':
+ case '\t':
+ if (filterstate < 0)
+ buffer[0] = 0;
+ break;
+
+ case '\n':
+ filterstate = 0;
+ break;
+
+ default:
+ if (!uprf(buffer, XXX_FIELD_PRF) && !uprf(buffer, VRSN_FIELD) && !uprf(buffer, "Subject:") && !uprf(buffer, "Message-ID:")) {
+ filterstate = -1;
+ buffer[0] = 0;
+ break;
+ }
+ filterstate = 1;
+ break;
+ }
+ }
+ fputs(buffer, fp);
+ if (pos >= last)
+ break;
+ }
+
+ if (fflush(fp))
+ advise(ct->c_storage, "error writing to");
+
+ fclose(fp);
+ fclose(ct->c_fp);
+ ct->c_fp = NULL;
+ return OK;
+}
+
+
+/*
+** Add a file to a folder.
+**
+** Return the new message number of the file
+** when added to the folder. Return -1, if
+** there is an error.
+*/
+
+static int
+output_content_folder(char *folder, char *filename)
+{
+ int msgnum;
+ struct msgs *mp;
+
+ /* Read the folder. */
+ if ((mp = folder_read(folder))) {
+ /* Link file into folder */
+ msgnum = folder_addmsg(&mp, filename, 0, 0, 0, 0, NULL);
+ } else {
+ advise(NULL, "unable to read folder %s", folder);
+ return NOTOK;
+ }
+
+ /* free folder structure */
+ folder_free(mp);
+
+ /*
+ ** Return msgnum. We are relying on the fact that
+ ** msgnum will be -1, if folder_addmsg() had an error.
+ */
+ return msgnum;
+}
+
+
+/*
+** Parse and expand the storage formatting string
+** pointed to by "cp" into "buffer".
+*/
+
+static int
+parse_format_string(CT ct, char *cp, char *buffer, int buflen, char *dir)
+{
+ int len;
+ char *bp;
+ CI ci = &ct->c_ctinfo;
+
+ /*
+ ** If storage string is "-", just copy it, and
+ ** return (send content to standard output).
+ */
+ if (cp[0] == '-' && cp[1] == '\0') {
+ strncpy(buffer, cp, buflen);
+ return 0;
+ }
+
+ bp = buffer;
+ bp[0] = '\0';
+
+ /*
+ ** If formatting string is a pathname that doesn't
+ ** begin with '/', then preface the path with the
+ ** appropriate directory.
+ */
+ if (*cp != '/' && *cp != '|' && *cp != '!') {
+ snprintf(bp, buflen, "%s/", dir[1] ? dir : "");
+ len = strlen(bp);
+ bp += len;
+ buflen -= len;
+ }
+
+ for (; *cp; cp++) {
+
+ /* We are processing a storage escape */
+ if (*cp == '%') {
+ switch (*++cp) {
+ case 'a':
+ /*
+ ** Insert parameters from Content-Type.
+ ** This is only valid for '|' commands.
+ */
+ if (buffer[0] != '|' && buffer[0] != '!') {
+ *bp++ = *--cp;
+ *bp = '\0';
+ buflen--;
+ continue;
+ } else {
+ char **ap, **ep;
+ char *s = "";
+
+ for (ap=ci->ci_attrs, ep=ci->ci_values;
+ *ap; ap++, ep++) {
+ snprintf(bp, buflen,
+ "%s%s=\"%s\"",
+ s, *ap, *ep);
+ len = strlen(bp);
+ bp += len;
+ buflen -= len;
+ s = " ";
+ }
+ }
+ break;
+
+ case 'm':
+ /* insert message number */
+ snprintf(bp, buflen, "%s",
+ mhbasename(ct->c_file));
+ break;
+
+ case 'P':
+ /* insert part number with leading dot */
+ if (ct->c_partno)
+ snprintf(bp, buflen, ".%s",
+ ct->c_partno);
+ break;
+
+ case 'p':
+ /* insert part number withouth leading dot */
+ if (ct->c_partno)
+ strncpy(bp, ct->c_partno, buflen);
+ break;
+
+ case 't':
+ /* insert content type */
+ strncpy(bp, ci->ci_type, buflen);
+ break;
+
+ case 's':
+ /* insert content subtype */
+ strncpy(bp, ci->ci_subtype, buflen);
+ break;
+
+ case '%':
+ /* insert the character % */
+ goto raw;
+
+ default:
+ *bp++ = *--cp;
+ *bp = '\0';
+ buflen--;
+ continue;
+ }
+
+ /* Advance bp and decrement buflen */
+ len = strlen(bp);
+ bp += len;
+ buflen -= len;
+
+ } else {
+raw:
+ *bp++ = *cp;
+ *bp = '\0';
+ buflen--;
+ }
+ }
+
+ return 0;
+}
+
+
+/*
+** Check if the content specifies a filename
+** in its MIME parameters.
+*/
+
+static void
+get_storeproc(CT ct)
+{
+ char **ap, **ep, *cp;
+ CI ci = &ct->c_ctinfo;
+
+ /*
+ ** If the storeproc has already been defined,
+ ** we just return (for instance, if this content
+ ** is part of a "message/external".
+ */
+ if (ct->c_storeproc)
+ return;
+
+ /*
+ ** Check the attribute/value pairs, for the attribute "name".
+ ** If found, do a few sanity checks and copy the value into
+ ** the storeproc.
+ */
+ for (ap = ci->ci_attrs, ep = ci->ci_values; *ap; ap++, ep++) {
+ if (!mh_strcasecmp(*ap, "name") && *(cp = *ep) != '/' &&
+ *cp != '.' && *cp != '|' && *cp != '!' &&
+ !strchr(cp, '%')) {
+ ct->c_storeproc = getcpy(cp);
+ return;
+ }
+ }
+}
+
+
+/*
+** Copy some of the header fields of the initial message/partial
+** message into the header of the reassembled message.
+*/
+
+static int
+copy_some_headers(FILE *out, CT ct)
+{
+ HF hp;
+
+ hp = ct->c_first_hf; /* start at first header field */
+
+ while (hp) {
+ /*
+ ** A few of the header fields of the enclosing
+ ** messages are not copied.
+ */
+ if (!uprf(hp->name, XXX_FIELD_PRF) &&
+ mh_strcasecmp(hp->name, VRSN_FIELD) &&
+ mh_strcasecmp(hp->name, "Subject") &&
+ mh_strcasecmp(hp->name, "Message-ID"))
+ fprintf(out, "%s:%s", hp->name, hp->value);
+ hp = hp->next; /* next header field */
+ }
+
+ return OK;
+}
+++ /dev/null
-/*
-** mhstoresbr.c -- routines to save/store the contents of MIME messages
-**
-** 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/signals.h>
-#include <h/md5.h>
-#include <errno.h>
-#include <setjmp.h>
-#include <signal.h>
-#include <h/tws.h>
-#include <h/mime.h>
-#include <h/mhparse.h>
-#include <h/utils.h>
-
-
-/*
-** The list of top-level contents to display
-*/
-extern CT *cts;
-
-int autosw = 0;
-
-/*
-** Cache of current directory. This must be
-** set before these routines are called.
-*/
-char *cwd;
-
-/*
-** The directory in which to store the contents.
-*/
-static char *dir;
-
-/*
-** Type for a compare function for qsort. This keeps
-** the compiler happy.
-*/
-typedef int (*qsort_comp) (const void *, const void *);
-
-
-/* mhmisc.c */
-int part_ok(CT, int);
-int type_ok(CT, int);
-int make_intermediates(char *);
-void flush_errors(void);
-
-/* mhshowsbr.c */
-int show_content_aux(CT, int, int, char *, char *);
-
-/*
-** prototypes
-*/
-void store_all_messages(CT *);
-
-/*
-** static prototypes
-*/
-static void store_single_message(CT);
-static int store_switch(CT);
-static int store_generic(CT);
-static int store_application(CT);
-static int store_multi(CT);
-static int store_partial(CT);
-static int store_external(CT);
-static int ct_compar(CT *, CT *);
-static int store_content(CT, CT);
-static int output_content_file(CT, int);
-static int output_content_folder(char *, char *);
-static int parse_format_string(CT, char *, char *, int, char *);
-static void get_storeproc(CT);
-static int copy_some_headers(FILE *, CT);
-
-
-/*
-** Main entry point to store content
-** from a collection of messages.
-*/
-
-void
-store_all_messages(CT *cts)
-{
- CT ct, *ctp;
- char *cp;
-
- /*
- ** Check for the directory in which to
- ** store any contents.
- */
- if (autosw)
- dir = getcpy(cwd);
- else if ((cp = context_find(nmhstorage)) && *cp)
- dir = getcpy(cp);
- else
- dir = getcpy(cwd);
-
- for (ctp = cts; *ctp; ctp++) {
- ct = *ctp;
- store_single_message(ct);
- }
-
- flush_errors();
-}
-
-
-/*
-** Entry point to store the content
-** in a (single) message
-*/
-
-static void
-store_single_message(CT ct)
-{
- if (type_ok(ct, 1)) {
- umask(ct->c_umask);
- store_switch(ct);
- if (ct->c_fp) {
- fclose(ct->c_fp);
- ct->c_fp = NULL;
- }
- if (ct->c_ceclosefnx)
- (*ct->c_ceclosefnx) (ct);
- }
-}
-
-
-/*
-** Switching routine to store different content types
-*/
-
-static int
-store_switch(CT ct)
-{
- switch (ct->c_type) {
- case CT_MULTIPART:
- return store_multi(ct);
- break;
-
- case CT_MESSAGE:
- switch (ct->c_subtype) {
- case MESSAGE_PARTIAL:
- return store_partial(ct);
- break;
-
- case MESSAGE_EXTERNAL:
- return store_external(ct);
-
- case MESSAGE_RFC822:
- default:
- return store_generic(ct);
- break;
- }
- break;
-
- case CT_APPLICATION:
- return store_application(ct);
- break;
-
- case CT_TEXT:
- case CT_AUDIO:
- case CT_IMAGE:
- case CT_VIDEO:
- return store_generic(ct);
- break;
-
- default:
- adios(NULL, "unknown content type %d", ct->c_type);
- break;
- }
-
- return OK; /* NOT REACHED */
-}
-
-
-/*
-** Generic routine to store a MIME content.
-** (audio, video, image, text, message/rfc922)
-*/
-
-static int
-store_generic(CT ct)
-{
- /*
- ** Check if the content specifies a filename.
- ** Don't bother with this for type "message"
- ** (only "message/rfc822" will use store_generic).
- */
- if (autosw && ct->c_type != CT_MESSAGE)
- get_storeproc(ct);
-
- return store_content(ct, NULL);
-}
-
-
-/*
-** Store content of type "application"
-*/
-
-static int
-store_application(CT ct)
-{
- char **ap, **ep;
- CI ci = &ct->c_ctinfo;
-
- /* Check if the content specifies a filename */
- if (autosw)
- get_storeproc(ct);
-
- /*
- ** If storeproc is not defined, and the content is type
- ** "application/octet-stream", we also check for various
- ** attribute/value pairs which specify if this a tar file.
- */
- if (!ct->c_storeproc && ct->c_subtype == APPLICATION_OCTETS) {
- int tarP = 0, zP = 0, gzP = 0;
-
- for (ap = ci->ci_attrs, ep = ci->ci_values; *ap; ap++, ep++) {
- /* check for "type=tar" attribute */
- if (!mh_strcasecmp(*ap, "type")) {
- if (mh_strcasecmp(*ep, "tar"))
- break;
-
- tarP = 1;
- continue;
- }
-
- /* check for "conversions=compress" attribute */
- if ((!mh_strcasecmp(*ap, "conversions") ||
- !mh_strcasecmp(*ap, "x-conversions"))
- && (!mh_strcasecmp(*ep, "compress") ||
- !mh_strcasecmp(*ep, "x-compress"))) {
- zP = 1;
- continue;
- }
- /* check for "conversions=gzip" attribute */
- if ((!mh_strcasecmp(*ap, "conversions") ||
- !mh_strcasecmp(*ap, "x-conversions"))
- && (!mh_strcasecmp(*ep, "gzip") ||
- !mh_strcasecmp(*ep, "x-gzip"))) {
- gzP = 1;
- continue;
- }
- }
-
- if (tarP) {
- ct->c_showproc = getcpy(zP ? "%euncompress | tar tvf -" : (gzP ? "%egzip -dc | tar tvf -" : "%etar tvf -"));
- if (!ct->c_storeproc) {
- if (autosw) {
- ct->c_storeproc = getcpy(zP ? "| uncompress | tar xvpf -" : (gzP ? "| gzip -dc | tar xvpf -" : "| tar xvpf -"));
- ct->c_umask = 0022;
- } else {
- ct->c_storeproc= getcpy(zP ? "%m%P.tar.Z" : (gzP ? "%m%P.tar.gz" : "%m%P.tar"));
- }
- }
- }
- }
-
- return store_content(ct, NULL);
-}
-
-
-/*
-** Store the content of a multipart message
-*/
-
-static int
-store_multi(CT ct)
-{
- int result;
- struct multipart *m = (struct multipart *) ct->c_ctparams;
- struct part *part;
-
- result = NOTOK;
- for (part = m->mp_parts; part; part = part->mp_next) {
- CT p = part->mp_part;
-
- if (part_ok(p, 1) && type_ok(p, 1)) {
- result = store_switch(p);
- if (result == OK && ct->c_subtype == MULTI_ALTERNATE)
- break;
- }
- }
-
- return result;
-}
-
-
-/*
-** Reassemble and store the contents of a collection
-** of messages of type "message/partial".
-*/
-
-static int
-store_partial(CT ct)
-{
- int cur, hi, i;
- CT p, *ctp, *ctq;
- CT *base;
- struct partial *pm, *qm;
-
- qm = (struct partial *) ct->c_ctparams;
- if (qm->pm_stored)
- return OK;
-
- hi = i = 0;
- for (ctp = cts; *ctp; ctp++) {
- p = *ctp;
- if (p->c_type == CT_MESSAGE && p->c_subtype == ct->c_subtype) {
- pm = (struct partial *) p->c_ctparams;
- if (!pm->pm_stored &&
- strcmp(qm->pm_partid, pm->pm_partid)
- == 0) {
- pm->pm_marked = pm->pm_partno;
- if (pm->pm_maxno)
- hi = pm->pm_maxno;
- pm->pm_stored = 1;
- i++;
- } else
- pm->pm_marked = 0;
- }
- }
-
- if (hi == 0) {
- advise(NULL, "missing (at least) last part of multipart message");
- return NOTOK;
- }
-
- if ((base = (CT *) calloc((size_t) (i + 1), sizeof(*base))) == NULL)
- adios(NULL, "out of memory");
-
- ctq = base;
- for (ctp = cts; *ctp; ctp++) {
- p = *ctp;
- if (p->c_type == CT_MESSAGE && p->c_subtype == ct->c_subtype) {
- pm = (struct partial *) p->c_ctparams;
- if (pm->pm_marked)
- *ctq++ = p;
- }
- }
- *ctq = NULL;
-
- if (i > 1)
- qsort((char *) base, i, sizeof(*base), (qsort_comp) ct_compar);
-
- cur = 1;
- for (ctq = base; *ctq; ctq++) {
- p = *ctq;
- pm = (struct partial *) p->c_ctparams;
- if (pm->pm_marked != cur) {
- if (pm->pm_marked == cur - 1) {
- admonish(NULL, "duplicate part %d of %d part multipart message", pm->pm_marked, hi);
- continue;
- }
-
-missing_part:
- advise (NULL, "missing %spart %d of %d part multipart message", cur != hi ? "(at least) " : "", cur, hi);
- goto losing;
- } else
- cur++;
- }
- if (hi != --cur) {
- cur = hi;
- goto missing_part;
- }
-
- /*
- ** Now cycle through the sorted list of messages of type
- ** "message/partial" and save/append them to a file.
- */
-
- ctq = base;
- ct = *ctq++;
- if (store_content(ct, NULL) == NOTOK) {
-losing:
- free((char *) base);
- return NOTOK;
- }
-
- for (; *ctq; ctq++) {
- p = *ctq;
- if (store_content(p, ct) == NOTOK)
- goto losing;
- }
-
- free((char *) base);
- return OK;
-}
-
-
-/*
-** Store content from a message of type "message/external".
-*/
-
-static int
-store_external(CT ct)
-{
- int result = NOTOK;
- struct exbody *e = (struct exbody *) ct->c_ctparams;
- CT p = e->eb_content;
-
- if (!type_ok(p, 1))
- return OK;
-
- /*
- ** Check if the parameters for the external body
- ** specified a filename.
- */
- if (autosw) {
- char *cp;
-
- if ((cp = e->eb_name) && *cp != '/' && *cp != '.' &&
- *cp != '|' && *cp != '!' && !strchr(cp, '%')) {
- if (!ct->c_storeproc)
- ct->c_storeproc = getcpy(cp);
- if (!p->c_storeproc)
- p->c_storeproc = getcpy(cp);
- }
- }
-
- /*
- ** Since we will let the Content structure for the
- ** external body substitute for the current content,
- ** we temporarily change its partno (number inside
- ** multipart), so everything looks right.
- */
- p->c_partno = ct->c_partno;
-
- /* we probably need to check if content is really there */
- result = store_switch(p);
-
- p->c_partno = NULL;
- return result;
-}
-
-
-/*
-** Compare the numbering from two different
-** message/partials (needed for sorting).
-*/
-
-static int
-ct_compar(CT *a, CT *b)
-{
- struct partial *am = (struct partial *) ((*a)->c_ctparams);
- struct partial *bm = (struct partial *) ((*b)->c_ctparams);
-
- return (am->pm_marked - bm->pm_marked);
-}
-
-
-/*
-** Store contents of a message or message part to
-** a folder, a file, the standard output, or pass
-** the contents to a command.
-**
-** If the current content to be saved is a followup part
-** to a collection of messages of type "message/partial",
-** then field "p" is a pointer to the Content structure
-** to the first message/partial in the group.
-*/
-
-static int
-store_content(CT ct, CT p)
-{
- int appending = 0, msgnum = 0;
- int is_partial = 0, first_partial = 0;
- int last_partial = 0;
- char *cp, buffer[BUFSIZ];
-
- /*
- ** Do special processing for messages of
- ** type "message/partial".
- **
- ** We first check if this content is of type
- ** "message/partial". If it is, then we need to check
- ** whether it is the first and/or last in the group.
- **
- ** Then if "p" is a valid pointer, it points to the Content
- ** structure of the first partial in the group. So we copy
- ** the file name and/or folder name from that message. In
- ** this case, we also note that we will be appending.
- */
- if (ct->c_type == CT_MESSAGE && ct->c_subtype == MESSAGE_PARTIAL) {
- struct partial *pm = (struct partial *) ct->c_ctparams;
-
- /* Yep, it's a message/partial */
- is_partial = 1;
-
- /* But is it the first and/or last in the collection? */
- if (pm->pm_partno == 1)
- first_partial = 1;
- if (pm->pm_maxno && pm->pm_partno == pm->pm_maxno)
- last_partial = 1;
-
- /*
- ** If "p" is a valid pointer, then it points to the
- ** Content structure for the first message in the group.
- ** So we just copy the filename or foldername information
- ** from the previous iteration of this function.
- */
- if (p) {
- appending = 1;
- ct->c_storage = getcpy(p->c_storage);
-
- /* record the folder name */
- if (p->c_folder) {
- ct->c_folder = getcpy(p->c_folder);
- }
- goto got_filename;
- }
- }
-
- /*
- ** Get storage formatting string.
- **
- ** 1) If we have storeproc defined, then use that
- ** 2) Else check for a mhstore-store-<type>/<subtype> entry
- ** 3) Else check for a mhstore-store-<type> entry
- ** 4) Else if content is "message", use "+" (current folder)
- ** 5) Else use string "%m%P.%s".
- */
- if ((cp = ct->c_storeproc) == NULL || *cp == '\0') {
- CI ci = &ct->c_ctinfo;
-
- snprintf(buffer, sizeof(buffer), "%s-store-%s/%s",
- invo_name, ci->ci_type, ci->ci_subtype);
- if ((cp = context_find(buffer)) == NULL || *cp == '\0') {
- snprintf(buffer, sizeof(buffer), "%s-store-%s",
- invo_name, ci->ci_type);
- if ((cp = context_find(buffer)) == NULL ||
- *cp == '\0') {
- cp = ct->c_type == CT_MESSAGE ?
- "+" : "%m%P.%s";
- }
- }
- }
-
- /*
- ** Check the beginning of storage formatting string
- ** to see if we are saving content to a folder.
- */
- if (*cp == '+' || *cp == '@') {
- char *tmpfilenam, *folder;
-
- /* Store content in temporary file for now */
- tmpfilenam = m_mktemp(invo_name, NULL, NULL);
- ct->c_storage = getcpy(tmpfilenam);
-
- /* Get the folder name */
- if (cp[1])
- folder = getcpy(expandfol(cp));
- else
- folder = getcurfol();
-
- /* Check if folder exists */
- create_folder(toabsdir(folder), 0, exit);
-
- /* Record the folder name */
- ct->c_folder = getcpy(folder);
-
- if (cp[1])
- free(folder);
-
- goto got_filename;
- }
-
- /*
- ** Parse and expand the storage formatting string
- ** in `cp' into `buffer'.
- */
- parse_format_string(ct, cp, buffer, sizeof(buffer), dir);
-
- /*
- ** If formatting begins with '|' or '!', then pass
- ** content to standard input of a command and return.
- */
- if (buffer[0] == '|' || buffer[0] == '!')
- return show_content_aux(ct, 1, 0, buffer + 1, dir);
-
- /* record the filename */
- ct->c_storage = getcpy(buffer);
-
-got_filename:
- /* flush the output stream */
- fflush(stdout);
-
- /* Now save or append the content to a file */
- if (output_content_file(ct, appending) == NOTOK)
- return NOTOK;
-
- /*
- ** If necessary, link the file into a folder and remove
- ** the temporary file. If this message is a partial,
- ** then only do this if it is the last one in the group.
- */
- if (ct->c_folder && (!is_partial || last_partial)) {
- msgnum = output_content_folder(ct->c_folder, ct->c_storage);
- unlink(ct->c_storage);
- if (msgnum == NOTOK)
- return NOTOK;
- }
-
- /*
- ** Now print out the name/number of the message
- ** that we are storing.
- */
- if (is_partial) {
- if (first_partial)
- fprintf(stderr, "reassembling partials ");
- if (last_partial)
- fprintf(stderr, "%s", ct->c_file);
- else
- fprintf(stderr, "%s,", ct->c_file);
- } else {
- fprintf(stderr, "storing message %s", ct->c_file);
- if (ct->c_partno)
- fprintf(stderr, " part %s", ct->c_partno);
- }
-
- /*
- ** Unless we are in the "middle" of group of message/partials,
- ** we now print the name of the file, folder, and/or message
- ** to which we are storing the content.
- */
- if (!is_partial || last_partial) {
- if (ct->c_folder) {
- fprintf(stderr, " to folder %s as message %d\n",
- ct->c_folder, msgnum);
- } else if (strcmp(ct->c_storage, "-")==0) {
- fprintf(stderr, " to stdout\n");
- } else {
- int cwdlen;
-
- cwdlen = strlen(cwd);
- fprintf(stderr, " as file %s\n",
- strncmp(ct->c_storage, cwd,
- cwdlen)!=0 ||
- ct->c_storage[cwdlen] != '/' ?
- ct->c_storage :
- ct->c_storage + cwdlen + 1);
- }
- }
-
- return OK;
-}
-
-
-/*
-** Output content to a file
-*/
-
-static int
-output_content_file(CT ct, int appending)
-{
- int filterstate;
- char *file, buffer[BUFSIZ];
- long pos, last;
- FILE *fp;
-
- /*
- ** If the pathname is absolute, make sure
- ** all the relevant directories exist.
- */
- if (strchr(ct->c_storage, '/') && make_intermediates(ct->c_storage)
- == NOTOK)
- return NOTOK;
-
- if (ct->c_encoding != CE_7BIT) {
- int cc, fd;
-
- if (!ct->c_ceopenfnx) {
- advise(NULL, "don't know how to decode part %s of message %s", ct->c_partno, ct->c_file);
- return NOTOK;
- }
-
- file = appending || strcmp(ct->c_storage, "-")==0 ?
- NULL : ct->c_storage;
- if ((fd = (*ct->c_ceopenfnx) (ct, &file)) == NOTOK)
- return NOTOK;
- if (strcmp(file, ct->c_storage)==0) {
- (*ct->c_ceclosefnx) (ct);
- return OK;
- }
-
- /*
- ** Send to standard output
- */
- if (strcmp(ct->c_storage, "-")==0) {
- int gd;
-
- if ((gd = dup(fileno(stdout))) == NOTOK) {
- advise("stdout", "unable to dup");
-losing:
- (*ct->c_ceclosefnx) (ct);
- return NOTOK;
- }
- if ((fp = fdopen(gd, appending ? "a" : "w")) == NULL) {
- advise("stdout", "unable to fdopen (%d, \"%s\") from", gd, appending ? "a" : "w");
- close(gd);
- goto losing;
- }
- } else {
- /*
- ** Open output file
- */
- if ((fp = fopen(ct->c_storage, appending ? "a" : "w"))
- == NULL) {
- advise(ct->c_storage, "unable to fopen for %s",
- appending ?
- "appending" : "writing");
- goto losing;
- }
- }
-
- /*
- ** Filter the header fields of the initial enclosing
- ** message/partial into the file.
- */
- if (ct->c_type == CT_MESSAGE && ct->c_subtype == MESSAGE_PARTIAL) {
- struct partial *pm = (struct partial *) ct->c_ctparams;
-
- if (pm->pm_partno == 1)
- copy_some_headers(fp, ct);
- }
-
- for (;;) {
- switch (cc = read(fd, buffer, sizeof(buffer))) {
- case NOTOK:
- advise(file, "error reading content from");
- break;
-
- case OK:
- break;
-
- default:
- fwrite(buffer, sizeof(*buffer), cc, fp);
- continue;
- }
- break;
- }
-
- (*ct->c_ceclosefnx) (ct);
-
- if (cc != NOTOK && fflush(fp))
- advise(ct->c_storage, "error writing to");
-
- fclose(fp);
-
- return (cc != NOTOK ? OK : NOTOK);
- }
-
- if (!ct->c_fp && (ct->c_fp = fopen(ct->c_file, "r")) == NULL) {
- advise(ct->c_file, "unable to open for reading");
- return NOTOK;
- }
-
- pos = ct->c_begin;
- last = ct->c_end;
- fseek(ct->c_fp, pos, SEEK_SET);
-
- if (strcmp(ct->c_storage, "-")==0) {
- int gd;
-
- if ((gd = dup(fileno(stdout))) == NOTOK) {
- advise("stdout", "unable to dup");
- return NOTOK;
- }
- if ((fp = fdopen(gd, appending ? "a" : "w")) == NULL) {
- advise("stdout", "unable to fdopen (%d, \"%s\") from",
- gd, appending ? "a" : "w");
- close(gd);
- return NOTOK;
- }
- } else {
- if ((fp = fopen(ct->c_storage, appending ? "a" : "w"))
- == NULL) {
- advise(ct->c_storage, "unable to fopen for %s",
- appending ? "appending" : "writing");
- return NOTOK;
- }
- }
-
- /*
- ** Copy a few of the header fields of the initial
- ** enclosing message/partial into the file.
- */
- filterstate = 0;
- if (ct->c_type == CT_MESSAGE && ct->c_subtype == MESSAGE_PARTIAL) {
- struct partial *pm = (struct partial *) ct->c_ctparams;
-
- if (pm->pm_partno == 1) {
- copy_some_headers(fp, ct);
- filterstate = 1;
- }
- }
-
- while (fgets(buffer, sizeof(buffer) - 1, ct->c_fp)) {
- if ((pos += strlen(buffer)) > last) {
- int diff;
-
- diff = strlen(buffer) - (pos - last);
- if (diff >= 0)
- buffer[diff] = '\0';
- }
- /*
- ** If this is the first content of a group of
- ** message/partial contents, then we only copy a few
- ** of the header fields of the enclosed message.
- */
- if (filterstate) {
- switch (buffer[0]) {
- case ' ':
- case '\t':
- if (filterstate < 0)
- buffer[0] = 0;
- break;
-
- case '\n':
- filterstate = 0;
- break;
-
- default:
- if (!uprf(buffer, XXX_FIELD_PRF) && !uprf(buffer, VRSN_FIELD) && !uprf(buffer, "Subject:") && !uprf(buffer, "Message-ID:")) {
- filterstate = -1;
- buffer[0] = 0;
- break;
- }
- filterstate = 1;
- break;
- }
- }
- fputs(buffer, fp);
- if (pos >= last)
- break;
- }
-
- if (fflush(fp))
- advise(ct->c_storage, "error writing to");
-
- fclose(fp);
- fclose(ct->c_fp);
- ct->c_fp = NULL;
- return OK;
-}
-
-
-/*
-** Add a file to a folder.
-**
-** Return the new message number of the file
-** when added to the folder. Return -1, if
-** there is an error.
-*/
-
-static int
-output_content_folder(char *folder, char *filename)
-{
- int msgnum;
- struct msgs *mp;
-
- /* Read the folder. */
- if ((mp = folder_read(folder))) {
- /* Link file into folder */
- msgnum = folder_addmsg(&mp, filename, 0, 0, 0, 0, NULL);
- } else {
- advise(NULL, "unable to read folder %s", folder);
- return NOTOK;
- }
-
- /* free folder structure */
- folder_free(mp);
-
- /*
- ** Return msgnum. We are relying on the fact that
- ** msgnum will be -1, if folder_addmsg() had an error.
- */
- return msgnum;
-}
-
-
-/*
-** Parse and expand the storage formatting string
-** pointed to by "cp" into "buffer".
-*/
-
-static int
-parse_format_string(CT ct, char *cp, char *buffer, int buflen, char *dir)
-{
- int len;
- char *bp;
- CI ci = &ct->c_ctinfo;
-
- /*
- ** If storage string is "-", just copy it, and
- ** return (send content to standard output).
- */
- if (cp[0] == '-' && cp[1] == '\0') {
- strncpy(buffer, cp, buflen);
- return 0;
- }
-
- bp = buffer;
- bp[0] = '\0';
-
- /*
- ** If formatting string is a pathname that doesn't
- ** begin with '/', then preface the path with the
- ** appropriate directory.
- */
- if (*cp != '/' && *cp != '|' && *cp != '!') {
- snprintf(bp, buflen, "%s/", dir[1] ? dir : "");
- len = strlen(bp);
- bp += len;
- buflen -= len;
- }
-
- for (; *cp; cp++) {
-
- /* We are processing a storage escape */
- if (*cp == '%') {
- switch (*++cp) {
- case 'a':
- /*
- ** Insert parameters from Content-Type.
- ** This is only valid for '|' commands.
- */
- if (buffer[0] != '|' && buffer[0] != '!') {
- *bp++ = *--cp;
- *bp = '\0';
- buflen--;
- continue;
- } else {
- char **ap, **ep;
- char *s = "";
-
- for (ap=ci->ci_attrs, ep=ci->ci_values;
- *ap; ap++, ep++) {
- snprintf(bp, buflen,
- "%s%s=\"%s\"",
- s, *ap, *ep);
- len = strlen(bp);
- bp += len;
- buflen -= len;
- s = " ";
- }
- }
- break;
-
- case 'm':
- /* insert message number */
- snprintf(bp, buflen, "%s",
- mhbasename(ct->c_file));
- break;
-
- case 'P':
- /* insert part number with leading dot */
- if (ct->c_partno)
- snprintf(bp, buflen, ".%s",
- ct->c_partno);
- break;
-
- case 'p':
- /* insert part number withouth leading dot */
- if (ct->c_partno)
- strncpy(bp, ct->c_partno, buflen);
- break;
-
- case 't':
- /* insert content type */
- strncpy(bp, ci->ci_type, buflen);
- break;
-
- case 's':
- /* insert content subtype */
- strncpy(bp, ci->ci_subtype, buflen);
- break;
-
- case '%':
- /* insert the character % */
- goto raw;
-
- default:
- *bp++ = *--cp;
- *bp = '\0';
- buflen--;
- continue;
- }
-
- /* Advance bp and decrement buflen */
- len = strlen(bp);
- bp += len;
- buflen -= len;
-
- } else {
-raw:
- *bp++ = *cp;
- *bp = '\0';
- buflen--;
- }
- }
-
- return 0;
-}
-
-
-/*
-** Check if the content specifies a filename
-** in its MIME parameters.
-*/
-
-static void
-get_storeproc(CT ct)
-{
- char **ap, **ep, *cp;
- CI ci = &ct->c_ctinfo;
-
- /*
- ** If the storeproc has already been defined,
- ** we just return (for instance, if this content
- ** is part of a "message/external".
- */
- if (ct->c_storeproc)
- return;
-
- /*
- ** Check the attribute/value pairs, for the attribute "name".
- ** If found, do a few sanity checks and copy the value into
- ** the storeproc.
- */
- for (ap = ci->ci_attrs, ep = ci->ci_values; *ap; ap++, ep++) {
- if (!mh_strcasecmp(*ap, "name") && *(cp = *ep) != '/' &&
- *cp != '.' && *cp != '|' && *cp != '!' &&
- !strchr(cp, '%')) {
- ct->c_storeproc = getcpy(cp);
- return;
- }
- }
-}
-
-
-/*
-** Copy some of the header fields of the initial message/partial
-** message into the header of the reassembled message.
-*/
-
-static int
-copy_some_headers(FILE *out, CT ct)
-{
- HF hp;
-
- hp = ct->c_first_hf; /* start at first header field */
-
- while (hp) {
- /*
- ** A few of the header fields of the enclosing
- ** messages are not copied.
- */
- if (!uprf(hp->name, XXX_FIELD_PRF) &&
- mh_strcasecmp(hp->name, VRSN_FIELD) &&
- mh_strcasecmp(hp->name, "Subject") &&
- mh_strcasecmp(hp->name, "Message-ID"))
- fprintf(out, "%s:%s", hp->name, hp->value);
- hp = hp->next; /* next header field */
- }
-
- return OK;
-}
projects / mmh / commitdiff