X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=uip%2Fmhstore.c;h=fae054fa1461075beb4b4ea7b2a5b5e3b886ba03;hp=4bfc676387c467f7eb6667a0966416cd0b27c48a;hb=6e7d34c614291079de750ceda1d4f5ec537beb81;hpb=6c42153ad9362cc676ea66563bf400d7511b3b68 diff --git a/uip/mhstore.c b/uip/mhstore.c index 4bfc676..fae054f 100644 --- a/uip/mhstore.c +++ b/uip/mhstore.c @@ -1,89 +1,48 @@ - /* - * mhstore.c -- store the contents of MIME messages - * - * $Id$ - * - * This code is Copyright (c) 2002, by the authors of nmh. See the - * COPYRIGHT file in the root directory of the nmh distribution for - * complete copyright information. - */ +** mhstore.c -- 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 #include #include -#include #include #include -#include #include #include #include -#include - -#ifdef HAVE_SYS_WAIT_H -# include -#endif - -/* - * We allocate space for message names (msgs array) - * this number of elements at a time. - */ -#define MAXMSGS 256 - +#include +#include +#include +#include +#include static struct swit switches[] = { -#define AUTOSW 0 - { "auto", 0 }, -#define NAUTOSW 1 - { "noauto", 0 }, -#define CHECKSW 2 - { "check", 0 }, -#define NCHECKSW 3 - { "nocheck", 0 }, -#define VERBSW 4 - { "verbose", 0 }, -#define NVERBSW 5 - { "noverbose", 0 }, -#define FILESW 6 /* interface from show */ - { "file file", 0 }, -#define PARTSW 7 - { "part number", 0 }, -#define TYPESW 8 - { "type content", 0 }, -#define RCACHESW 9 - { "rcache policy", 0 }, -#define WCACHESW 10 - { "wcache policy", 0 }, -#define VERSIONSW 11 - { "version", 0 }, -#define HELPSW 12 - { "help", 0 }, - -/* - * switches for debugging - */ -#define DEBUGSW 13 - { "debug", -5 }, - { NULL, 0 } +#define AUTOSW 0 + { "auto", 0 }, +#define NAUTOSW 1 + { "noauto", 2 }, +#define FILESW 2 /* interface from show */ + { "file file", 0 }, +#define PARTSW 3 + { "part number", 0 }, +#define TYPESW 4 + { "type content", 0 }, +#define VERSIONSW 5 + { "Version", 0 }, +#define HELPSW 6 + { "help", 0 }, +#define DEBUGSW 7 + { "debug", -5 }, + { NULL, 0 } }; -extern int errno; - /* mhparse.c */ -extern int checksw; -extern char *tmp; /* directory to place temp files */ - -/* mhcachesbr.c */ -extern int rcachesw; -extern int wcachesw; -extern char *cache_public; -extern char *cache_private; - -/* mhstoresbr.c */ -extern int autosw; -extern char *cwd; /* cache current working directory */ +extern char *tmp; /* directory to place temp files */ /* mhmisc.c */ extern int npart; @@ -93,352 +52,1211 @@ extern char *types[NTYPES + 1]; extern int userrs; int debugsw = 0; -int verbosw = 0; - -/* The list of top-level contents to display */ -CT *cts = NULL; -#define quitser pipeser +#define quitser pipeser /* mhparse.c */ -CT parse_mime (char *); +CT parse_mime(char *); /* mhmisc.c */ -int part_ok (CT, int); -int type_ok (CT, int); -void set_endian (void); -void flush_errors (void); - -/* mhstoresbr.c */ -void store_all_messages (CT *); +int part_ok(CT, int); +int type_ok(CT, int); +void set_endian(void); +void flush_errors(void); /* mhfree.c */ -void free_content (CT); +void free_content(CT); +extern CT *cts; /* The list of top-level contents to display */ +void freects_done(); + +/* +** static prototypes +*/ +static void pipeser(int); + +int autosw = 1; /* - * static prototypes - */ -static RETSIGTYPE pipeser (int); +** 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, char *, char *); + +/* +** static prototypes +*/ +static void store_single_message(CT); +static int store_switch(CT); +static int store_generic(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 int copy_some_headers(FILE *, CT); +static void store_all_messages(CT *); int -main (int argc, char **argv) +main(int argc, char **argv) +{ + int msgnum; + char *cp, *file = NULL, *folder = NULL; + char *maildir, buf[100], **argp; + char **arguments; + struct msgs_array msgs = { 0, 0, NULL }; + struct msgs *mp = NULL; + CT ct, *ctp; + FILE *fp; + + if (atexit(freects_done) != 0) { + adios(EX_OSERR, NULL, "atexit failed"); + } + + setlocale(LC_ALL, ""); + invo_name = mhbasename(argv[0]); + + /* read user profile/context */ + context_read(); + + arguments = getarguments(invo_name, argc, argv, 1); + argp = arguments; + + /* + ** Parse arguments + */ + while ((cp = *argp++)) { + if (*cp == '-') { + switch (smatch(++cp, switches)) { + case AMBIGSW: + ambigsw(cp, switches); + exit(EX_USAGE); + case UNKWNSW: + adios(EX_USAGE, NULL, "-%s unknown", cp); + + case HELPSW: + snprintf(buf, sizeof(buf), "%s [+folder] [msgs] [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 AUTOSW: + autosw++; + continue; + case NAUTOSW: + autosw = 0; + continue; + + case PARTSW: + if (!(cp = *argp++) || *cp == '-') + adios(EX_USAGE, NULL, "missing argument to %s", + argp[-2]); + if (npart >= NPARTS) + adios(EX_USAGE, NULL, "too many parts (starting with %s), %d max", cp, NPARTS); + parts[npart++] = cp; + continue; + + case TYPESW: + if (!(cp = *argp++) || *cp == '-') + adios(EX_USAGE, NULL, "missing argument to %s", + argp[-2]); + if (ntype >= NTYPES) + adios(EX_USAGE, NULL, "too many types (starting with %s), %d max", cp, NTYPES); + types[ntype++] = cp; + continue; + + case FILESW: + if (!(cp = *argp++) || (*cp == '-' && cp[1])) + adios(EX_USAGE, NULL, "missing argument to %s", + argp[-2]); + file = *cp == '-' ? cp : getcpy(expanddir(cp)); + continue; + + case DEBUGSW: + debugsw = 1; + continue; + } + } + if (*cp == '+' || *cp == '@') { + if (folder) + adios(EX_USAGE, NULL, "only one folder at a time!"); + else + folder = getcpy(expandfol(cp)); + } else + app_msgarg(&msgs, cp); + } + + /* null terminate the list of acceptable parts/types */ + parts[npart] = NULL; + types[ntype] = NULL; + + set_endian(); + + /* + ** Check if we've specified an additional profile + */ + if ((cp = getenv("MHSTORE"))) { + if ((fp = fopen(cp, "r"))) { + readconfig((struct node **) 0, fp, cp, 0); + fclose(fp); + } else { + admonish("", "unable to read $MHSTORE profile (%s)", + cp); + } + } + + /* + ** Read the standard profile setup + */ + if ((fp = fopen(cp = etcpath("mhn.defaults"), "r"))) { + readconfig((struct node **) 0, fp, cp, 0); + fclose(fp); + } + + /* + ** Cache the current directory before we do any chdirs()'s. + */ + cwd = getcpy(pwd()); + + /* + ** Check for storage directory. If specified, + ** then store temporary files there. Else we + ** store them in standard nmh directory. + */ + if ((cp = context_find(nmhstorage)) && *cp) + tmp = concat(cp, "/", invo_name, NULL); + else + tmp = getcpy(toabsdir(invo_name)); + + if (file && msgs.size) + adios(EX_USAGE, NULL, "cannot specify msg and file at same time!"); + + /* + ** check if message is coming from file + */ + if (file) { + cts = (CT *) mh_xcalloc((size_t) 2, sizeof(*cts)); + ctp = cts; + + if ((ct = parse_mime(file))) + *ctp++ = ct; + } else { + /* + ** message(s) are coming from a folder + */ + if (!msgs.size) + app_msgarg(&msgs, seq_cur); + if (!folder) + folder = getcurfol(); + maildir = toabsdir(folder); + + if (chdir(maildir) == NOTOK) + adios(EX_OSERR, maildir, "unable to change directory to"); + + /* read folder and create message structure */ + if (!(mp = folder_read(folder))) + adios(EX_IOERR, NULL, "unable to read folder %s", folder); + + /* check for empty folder */ + if (mp->nummsg == 0) + adios(EX_DATAERR, NULL, "no messages in %s", folder); + + /* parse all the message ranges/sequences and set SELECTED */ + for (msgnum = 0; msgnum < msgs.size; msgnum++) + if (!m_convert(mp, msgs.msgs[msgnum])) + exit(EX_USAGE); + seq_setprev(mp); /* set the previous-sequence */ + + cts = (CT *) mh_xcalloc((size_t) (mp->numsel + 1), + sizeof(*cts)); + ctp = cts; + + for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) { + if (is_selected(mp, msgnum)) { + char *msgnam; + + msgnam = m_name(msgnum); + if ((ct = parse_mime(msgnam))) + *ctp++ = ct; + } + } + } + + if (!*cts) + exit(EX_SOFTWARE); + + userrs = 1; + SIGNAL(SIGQUIT, quitser); + SIGNAL(SIGPIPE, pipeser); + + /* + ** Get the associated umask for the relevant contents. + */ + for (ctp = cts; *ctp; ctp++) { + struct stat st; + + ct = *ctp; + if (type_ok(ct, 1) && !ct->c_umask) { + if (stat(ct->c_file, &st) != NOTOK) + ct->c_umask = ~(st.st_mode & 0777); + else + ct->c_umask = ~m_gmprot(); + } + } + + /* + ** Store the message content + */ + store_all_messages(cts); + + /* Now free all the structures for the content */ + for (ctp = cts; *ctp; ctp++) + free_content(*ctp); + + free((char *) cts); + cts = NULL; + + /* If reading from a folder, do some updating */ + if (mp) { + context_replace(curfolder, folder); /* update current folder */ + seq_setcur(mp, mp->hghsel); /* update current message */ + seq_save(mp); /* synchronize sequences */ + context_save(); /* save the context file */ + } + + return 0; +} + + +static void +pipeser(int i) { - int nummsgs, maxmsgs, msgnum, *icachesw; - char *cp, *file = NULL, *folder = NULL; - char *maildir, buf[100], **argp; - char **arguments, **msgs; - struct msgs *mp = NULL; - CT ct, *ctp; - FILE *fp; - -#ifdef LOCALE - setlocale(LC_ALL, ""); -#endif - invo_name = r1bindex (argv[0], '/'); - - /* read user profile/context */ - context_read(); - - arguments = getarguments (invo_name, argc, argv, 1); - argp = arguments; - - /* - * Allocate the initial space to record message - * names, ranges, and sequences. - */ - nummsgs = 0; - maxmsgs = MAXMSGS; - if (!(msgs = (char **) malloc ((size_t) (maxmsgs * sizeof(*msgs))))) - adios (NULL, "unable to allocate storage"); - - /* - * Parse arguments - */ - while ((cp = *argp++)) { - if (*cp == '-') { - switch (smatch (++cp, switches)) { - case AMBIGSW: - ambigsw (cp, switches); - done (1); - case UNKWNSW: - adios (NULL, "-%s unknown", cp); - - case HELPSW: - snprintf (buf, sizeof(buf), "%s [+folder] [msgs] [switches]", - invo_name); - print_help (buf, switches, 1); - done (1); - case VERSIONSW: - print_version(invo_name); - done (1); - - case AUTOSW: - autosw++; - continue; - case NAUTOSW: - autosw = 0; - continue; - - case RCACHESW: - icachesw = &rcachesw; - goto do_cache; - case WCACHESW: - icachesw = &wcachesw; -do_cache: - if (!(cp = *argp++) || *cp == '-') - adios (NULL, "missing argument to %s", argp[-2]); - switch (*icachesw = smatch (cp, caches)) { - case AMBIGSW: - ambigsw (cp, caches); - done (1); - case UNKWNSW: - adios (NULL, "%s unknown", cp); + if (i == SIGQUIT) { + unlink("core"); + fflush(stdout); + fprintf(stderr, "\n"); + fflush(stderr); + exit(EX_TEMPFAIL); + } + + exit(EX_IOERR); + /* 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 ((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: - break; + return store_generic(ct); + break; + } + break; + + case CT_APPLICATION: + case CT_TEXT: + case CT_AUDIO: + case CT_IMAGE: + case CT_VIDEO: + return store_generic(ct); + break; + + default: + adios(EX_DATAERR, NULL, "unknown content type %d", ct->c_type); + break; + } + + return OK; /* NOT REACHED */ +} + + +/* +** Generic routine to store a MIME content. +** (application, audio, video, image, text, message/rfc922) +*/ +static int +store_generic(CT ct) +{ + char **ap, **vp, *cp; + CI ci = &ct->c_ctinfo; + + /* + ** Check if the content specifies a filename in its MIME parameters. + ** Don't bother with this for type "message" + ** (only the "message" subtype "rfc822" will use store_generic). + */ + if (autosw && ct->c_type != CT_MESSAGE) { + /* + ** Check the attribute/value pairs, for the attribute "name". + ** If found, take the basename, do a few sanity checks and + ** copy the value into c_storeproc. + */ + for (ap = ci->ci_attrs, vp = ci->ci_values; *ap; ap++,vp++) { + if (mh_strcasecmp(*ap, "name")!=0) { + continue; + } + cp = mhbasename(*vp); + if (*cp && *cp!='.' && *cp!='|' && *cp!='!' && + !strchr(cp, '%')) { + /* filename looks good: use it */ + ct->c_storeproc = getcpy(cp); + } + break; + } + } + + 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; + } + + base = (CT *) mh_xcalloc((size_t) (i + 1), sizeof(*base)); + + 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; +} + + +/* +** Show how to retrieve content of type "message/external". +*/ +static int +store_external(CT ct) +{ + char **ap, **ep; + char *msg; + FILE *fp; + char buf[BUFSIZ]; + + msg = add("You need to fetch the contents yourself:", NULL); + ap = ct->c_ctinfo.ci_attrs; + ep = ct->c_ctinfo.ci_values; + for (; *ap; ap++, ep++) { + msg = add(concat("\n\t", *ap, ": ", *ep, NULL), msg); + } + if (!(fp = fopen(ct->c_file, "r"))) { + adios(EX_IOERR, ct->c_file, "unable to open"); + } + fseek(fp, ct->c_begin, SEEK_SET); + while (!feof(fp) && ftell(fp) < ct->c_end) { + if (!fgets(buf, sizeof buf, fp)) { + adios(EX_IOERR, ct->c_file, "unable to read"); + } + *strchr(buf, '\n') = '\0'; + msg = add(concat("\n\t", buf, NULL), msg); + } + fclose(fp); + advise(NULL, msg); + return OK; +} + + +/* +** 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-/ entry + ** 3) Else check for a mhstore-store- entry + ** 4) Else if content is "message", use "+" (current folder) + ** 5) Else use string "%m%P.%s". + */ + if (!(cp = ct->c_storeproc) || !*cp) { + 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"; + } } - continue; - - case CHECKSW: - checksw++; - continue; - case NCHECKSW: - checksw = 0; - continue; - - case PARTSW: - if (!(cp = *argp++) || *cp == '-') - adios (NULL, "missing argument to %s", argp[-2]); - if (npart >= NPARTS) - adios (NULL, "too many parts (starting with %s), %d max", - cp, NPARTS); - parts[npart++] = cp; - continue; - - case TYPESW: - if (!(cp = *argp++) || *cp == '-') - adios (NULL, "missing argument to %s", argp[-2]); - if (ntype >= NTYPES) - adios (NULL, "too many types (starting with %s), %d max", - cp, NTYPES); - types[ntype++] = cp; - continue; - - case FILESW: - if (!(cp = *argp++) || (*cp == '-' && cp[1])) - adios (NULL, "missing argument to %s", argp[-2]); - file = *cp == '-' ? cp : path (cp, TFILE); - continue; - - case VERBSW: - verbosw = 1; - continue; - case NVERBSW: - verbosw = 0; - continue; - case DEBUGSW: - debugsw = 1; - continue; - } } + + /* + ** Check the beginning of storage formatting string + ** to see if we are saving content to a folder. + */ if (*cp == '+' || *cp == '@') { - if (folder) - adios (NULL, "only one folder at a time!"); - else - folder = path (cp + 1, *cp == '+' ? TFOLDER : TSUBCWF); + 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, 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 { - /* - * Check if we need to allocate more space - * for message names/ranges/sequences. - */ - if (nummsgs >= maxmsgs) { - maxmsgs += MAXMSGS; - if (!(msgs = (char **) realloc (msgs, - (size_t) (maxmsgs * sizeof(*msgs))))) - adios (NULL, "unable to reallocate msgs storage"); - } - msgs[nummsgs++] = cp; - } - } - - /* null terminate the list of acceptable parts/types */ - parts[npart] = NULL; - types[ntype] = NULL; - - set_endian (); - - /* - * Check if we've specified an additional profile - */ - if ((cp = getenv ("MHSTORE"))) { - if ((fp = fopen (cp, "r"))) { - readconfig ((struct node **) 0, fp, cp, 0); - fclose (fp); + 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 contains directories, make sure + ** all of them 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 { - admonish ("", "unable to read $MHSTORE profile (%s)", cp); - } - } - - /* - * Read the standard profile setup - */ - if ((fp = fopen (cp = etcpath ("mhn.defaults"), "r"))) { - readconfig ((struct node **) 0, fp, cp, 0); - fclose (fp); - } - - /* Check for public cache location */ - if ((cache_public = context_find (nmhcache)) && *cache_public != '/') - cache_public = NULL; - - /* Check for private cache location */ - if (!(cache_private = context_find (nmhprivcache))) - cache_private = ".cache"; - cache_private = getcpy (m_maildir (cache_private)); - - /* - * Cache the current directory before we do any chdirs()'s. - */ - cwd = getcpy (pwd()); - - /* - * Check for storage directory. If specified, - * then store temporary files there. Else we - * store them in standard nmh directory. - */ - if ((cp = context_find (nmhstorage)) && *cp) - tmp = concat (cp, "/", invo_name, NULL); - else - tmp = add (m_maildir (invo_name), NULL); - - if (!context_find ("path")) - free (path ("./", TFOLDER)); - - if (file && nummsgs) - adios (NULL, "cannot specify msg and file at same time!"); - - /* - * check if message is coming from file - */ - if (file) { - if (!(cts = (CT *) calloc ((size_t) 2, sizeof(*cts)))) - adios (NULL, "out of memory"); - ctp = cts; - - if ((ct = parse_mime (file))); - *ctp++ = ct; - } 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; + } + } + /* - * message(s) are coming from a folder - */ - if (!nummsgs) - msgs[nummsgs++] = "cur"; - if (!folder) - folder = getfolder (1); - maildir = m_maildir (folder); - - if (chdir (maildir) == NOTOK) - adios (maildir, "unable to change directory to"); - - /* read folder and create message structure */ - if (!(mp = folder_read (folder))) - adios (NULL, "unable to read folder %s", folder); - - /* check for empty folder */ - if (mp->nummsg == 0) - adios (NULL, "no messages in %s", folder); - - /* parse all the message ranges/sequences and set SELECTED */ - for (msgnum = 0; msgnum < nummsgs; msgnum++) - if (!m_convert (mp, msgs[msgnum])) - done (1); - seq_setprev (mp); /* set the previous-sequence */ - - if (!(cts = (CT *) calloc ((size_t) (mp->numsel + 1), sizeof(*cts)))) - adios (NULL, "out of memory"); - ctp = cts; - - for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) { - if (is_selected(mp, msgnum)) { - char *msgnam; - - msgnam = m_name (msgnum); - if ((ct = parse_mime (msgnam))) - *ctp++ = ct; - } - } - } - - if (!*cts) - done (1); - - userrs = 1; - SIGNAL (SIGQUIT, quitser); - SIGNAL (SIGPIPE, pipeser); - - /* - * Get the associated umask for the relevant contents. - */ - for (ctp = cts; *ctp; ctp++) { - struct stat st; - - ct = *ctp; - if (type_ok (ct, 1) && !ct->c_umask) { - if (stat (ct->c_file, &st) != NOTOK) - ct->c_umask = ~(st.st_mode & 0777); - else - ct->c_umask = ~m_gmprot(); - } - } - - /* - * Store the message content - */ - store_all_messages (cts); - - /* Now free all the structures for the content */ - for (ctp = cts; *ctp; ctp++) - free_content (*ctp); - - free ((char *) cts); - cts = NULL; - - /* If reading from a folder, do some updating */ - if (mp) { - context_replace (pfolder, folder);/* update current folder */ - seq_setcur (mp, mp->hghsel); /* update current message */ - seq_save (mp); /* synchronize sequences */ - context_save (); /* save the context file */ - } - - return done (0); + ** 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; } -static RETSIGTYPE -pipeser (int i) +/* +** 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) { - if (i == SIGQUIT) { - unlink ("core"); - fflush (stdout); - fprintf (stderr, "\n"); - fflush (stderr); - } - - done (1); - /* NOTREACHED */ + 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; } -int -done (int status) +/* +** 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) { - CT *ctp; + 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; +} + - if ((ctp = cts)) - for (; *ctp; ctp++) - free_content (*ctp); +/* +** 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 */ + } - exit (status); - return 1; /* dead code to satisfy the compiler */ + return OK; }