add free_field as standard for struct field
[mmh] / uip / mhparse.c
index 01170a1..04333f4 100644 (file)
@@ -8,14 +8,16 @@
 
 #include <h/mh.h>
 #include <fcntl.h>
-#include <h/signals.h>
-#include <errno.h>
-#include <setjmp.h>
 #include <signal.h>
+#include <errno.h>
 #include <h/tws.h>
 #include <h/mime.h>
 #include <h/mhparse.h>
 #include <h/utils.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <sys/stat.h>
+#include <sysexits.h>
 
 extern int debugsw;
 
@@ -105,13 +107,6 @@ static int openBase64(CT, char **);
 static int InitQuoted(CT);
 static int openQuoted(CT, char **);
 static int Init7Bit(CT);
-static int openExternal(CT, CT, CE, char **, int *);
-static int InitFile(CT);
-static int openFile(CT, char **);
-static int InitFTP(CT);
-static int openFTP(CT, char **);
-static int InitMail(CT);
-static int openMail(CT, char **);
 
 struct str2init str2cts[] = {
        { "application", CT_APPLICATION, InitApplication },
@@ -135,20 +130,6 @@ struct str2init str2ces[] = {
        { NULL,               CE_UNKNOWN,    NULL },
 };
 
-/*
-** NOTE WELL: si_key MUST NOT have value of NOTOK
-**
-** si_key is 1 if access method is anonymous.
-*/
-struct str2init str2methods[] = {
-       { "afs",         1, InitFile },
-       { "anon-ftp",    1, InitFTP },
-       { "ftp",         0, InitFTP },
-       { "local-file",  0, InitFile },
-       { "mail-server", 0, InitMail },
-       { NULL,          0, NULL }
-};
-
 
 int
 pidcheck(int status)
@@ -158,7 +139,7 @@ pidcheck(int status)
 
        fflush(stdout);
        fflush(stderr);
-       done(1);
+       exit(EX_SOFTWARE);
        return 1;
 }
 
@@ -250,15 +231,14 @@ parse_mime(char *file)
 static CT
 get_content(FILE *in, char *file, int toplevel)
 {
-       int compnum, state;
-       char buf[BUFSIZ], name[NAMESZ];
-       char *np, *vp;
+       enum state state;
+       struct field f = free_field;
+       int compnum;
        CT ct;
        HF hp;
 
        /* allocate the content structure */
-       if (!(ct = (CT) calloc(1, sizeof(*ct))))
-               adios(NULL, "out of memory");
+       ct = (CT) mh_xcalloc(1, sizeof(*ct));
 
        ct->c_fp = in;
        ct->c_file = getcpy(file);
@@ -268,53 +248,34 @@ get_content(FILE *in, char *file, int toplevel)
        ** Parse the header fields for this
        ** content into a linked list.
        */
-       for (compnum = 1, state = FLD;;) {
-               switch (state = m_getfld(state, name, buf, sizeof(buf), in)) {
-               case FLD:
-               case FLDPLUS:
-               case FLDEOF:
+       for (compnum = 1, state = FLD2;;) {
+               switch (state = m_getfld2(state, &f, in)) {
+               case FLD2:
                        compnum++;
 
-                       /* get copies of the buffers */
-                       np = getcpy(name);
-                       vp = getcpy(buf);
-
-                       /* if necessary, get rest of field */
-                       while (state == FLDPLUS) {
-                               state = m_getfld(state, name, buf,
-                                               sizeof(buf), in);
-                               vp = add(buf, vp);  /* add to previous value */
-                       }
+                       /* add the header data to the list */
+                       add_header(ct, getcpy(f.name), getcpy(f.value));
 
-                       /* Now add the header data to the list */
-                       add_header(ct, np, vp);
-
-                       /* continue, if this isn't the last header field */
-                       if (state != FLDEOF) {
-                               ct->c_begin = ftell(in) + 1;
-                               continue;
-                       }
-                       /* else fall... */
+                       ct->c_begin = ftell(in) + 1;
+                       continue;
 
-               case BODY:
-               case BODYEOF:
-                       ct->c_begin = ftell(in) - strlen(buf);
+               case BODY2:
+                       ct->c_begin = ftell(in) - strlen(f.value);
                        break;
 
-               case FILEEOF:
+               case FILEEOF2:
                        ct->c_begin = ftell(in);
                        break;
 
-               case LENERR:
-               case FMTERR:
-                       adios(NULL, "message format error in component #%d",
+               case LENERR2:
+               case FMTERR2:
+               case IOERR2:
+                       adios(EX_DATAERR, NULL, "message format error in component #%d",
                                        compnum);
 
                default:
-                       adios(NULL, "getfld() returned %d", state);
+                       adios(EX_SOFTWARE, NULL, "getfld() returned %d", state);
                }
-
-               /* break out of the loop */
                break;
        }
 
@@ -785,7 +746,9 @@ bad_quote:
                }
                if (!*vp) {
                        advise(NULL, "invalid parameter in message %s's %s: field\n%*.*s(parameter %s)", ct->c_file, TYPE_FIELD, i, i, "", *ap);
-                       return NOTOK;
+                       *ci->ci_values[ap - ci->ci_attrs] = '\0';
+                       *ci->ci_attrs[ap - ci->ci_attrs] = '\0';
+                       continue;
                }
                ap++;
 
@@ -984,9 +947,7 @@ InitGeneric(CT ct)
 static int
 InitText(CT ct)
 {
-       char buffer[BUFSIZ];
-       char *chset = NULL;
-       char **ap, **ep, *cp;
+       char **ap, **ep;
        struct k2v *kv;
        struct text *t;
        CI ci = &ct->c_ctinfo;
@@ -1002,8 +963,7 @@ InitText(CT ct)
        ct->c_subtype = kv->kv_value;
 
        /* allocate text character set structure */
-       if ((t = (struct text *) calloc(1, sizeof(*t))) == NULL)
-               adios(NULL, "out of memory");
+       t = (struct text *) mh_xcalloc(1, sizeof(*t));
        ct->c_ctparams = (void *) t;
 
        /* scan for charset parameter */
@@ -1013,10 +973,11 @@ InitText(CT ct)
 
        /* check if content specified a character set */
        if (*ap) {
+               /* store its name */
+               ct->c_charset = getcpy(norm_charmap(*ep));
                /* match character set or set to CHARSET_UNKNOWN */
                for (kv = Charset; kv->kv_key; kv++) {
                        if (!mh_strcasecmp(*ep, kv->kv_key)) {
-                               chset = *ep;
                                break;
                        }
                }
@@ -1025,20 +986,6 @@ InitText(CT ct)
                t->tx_charset = CHARSET_UNSPECIFIED;
        }
 
-       /*
-       ** If we can not handle character set natively,
-       ** then check profile for string to modify the
-       ** terminal or display method.
-       **
-       ** termproc is for mhshow, though mhlist -debug prints it, too.
-       */
-       if (chset != NULL && !check_charset(chset, strlen(chset))) {
-               snprintf(buffer, sizeof(buffer), "%s-charset-%s",
-                               invo_name, chset);
-               if ((cp = context_find(buffer)))
-                       ct->c_termproc = getcpy(cp);
-       }
-
        return OK;
 }
 
@@ -1069,7 +1016,7 @@ InitMultiPart(CT ct)
        if (ct->c_encoding != CE_7BIT && ct->c_encoding != CE_8BIT
                && ct->c_encoding != CE_BINARY) {
                admonish(NULL, "\"%s/%s\" type in message %s must be encoded in 7bit, 8bit, or binary", ci->ci_type, ci->ci_subtype, ct->c_file);
-               return NOTOK;
+               ct->c_encoding = CE_7BIT;
        }
 
        /* match subtype */
@@ -1097,8 +1044,7 @@ InitMultiPart(CT ct)
        }
 
        /* allocate primary structure for multipart info */
-       if ((m = (struct multipart *) calloc(1, sizeof(*m))) == NULL)
-               adios(NULL, "out of memory");
+       m = (struct multipart *) mh_xcalloc(1, sizeof(*m));
        ct->c_ctparams = (void *) m;
 
        /* check if boundary parameter contains only whitespace characters */
@@ -1141,9 +1087,7 @@ InitMultiPart(CT ct)
                        if (strcmp(buffer + 2, m->mp_start)!=0)
                                continue;
 next_part:
-                       if ((part = (struct part *) calloc(1, sizeof(*part)))
-                                       == NULL)
-                               adios(NULL, "out of memory");
+                       part = (struct part *) mh_xcalloc(1, sizeof(*part));
                        *next = part;
                        next = &part->mp_next;
 
@@ -1257,8 +1201,7 @@ reverse_parts(CT ct)
                i++;
 
        /* allocate array of pointers to the parts */
-       if (!(base = (struct part **) calloc((size_t) (i + 1), sizeof(*base))))
-               adios(NULL, "out of memory");
+       base = (struct part **) mh_xcalloc((size_t) (i + 1), sizeof(*base));
        bmp = base;
 
        /* point at all the parts */
@@ -1314,8 +1257,7 @@ InitMessage(CT ct)
                char **ap, **ep;
                struct partial *p;
 
-               if ((p = (struct partial *) calloc(1, sizeof(*p))) == NULL)
-                       adios(NULL, "out of memory");
+               p = (struct partial *) mh_xcalloc(1, sizeof(*p));
                ct->c_ctparams = (void *) p;
 
                /*
@@ -1353,15 +1295,9 @@ invalid_param:
 
        case MESSAGE_EXTERNAL:
                {
-               int exresult;
-               struct exbody *e;
                CT p;
                FILE *fp;
 
-               if ((e = (struct exbody *) calloc(1, sizeof(*e))) == NULL)
-                       adios(NULL, "out of memory");
-               ct->c_ctparams = (void *) e;
-
                if (!ct->c_fp && (ct->c_fp = fopen(ct->c_file, "r")) == NULL) {
                        advise(ct->c_file, "unable to open for reading");
                        return NOTOK;
@@ -1374,46 +1310,12 @@ invalid_param:
                        return NOTOK;
                }
 
-               e->eb_parent = ct;
-               e->eb_content = p;
-               p->c_ctexbody = e;
-               if ((exresult = params_external(ct, 0)) != NOTOK &&
-                               p->c_ceopenfnx == openMail) {
-                       int cc, size;
-                       char *bp;
-
-                       if ((size = ct->c_end - p->c_begin) <= 0) {
-                               if (!e->eb_subject)
-                                       content_error(NULL, ct, "empty body for access-type=mail-server");
-                               goto no_body;
-                       }
-
-                       e->eb_body = bp = mh_xmalloc((unsigned) size);
-                       fseek(p->c_fp, p->c_begin, SEEK_SET);
-                       while (size > 0)
-                               switch (cc = fread(bp, sizeof(*bp), size, p->c_fp)) {
-                               case NOTOK:
-                                       adios("failed", "fread");
-                               case OK:
-                                       adios(NULL, "unexpected EOF from fread");
-                               default:
-                                       bp += cc, size -= cc;
-                                       break;
-                               }
-                       *bp = 0;
-               }
-no_body:
                p->c_fp = NULL;
                p->c_end = p->c_begin;
 
                fclose(ct->c_fp);
                ct->c_fp = NULL;
 
-               if (exresult == NOTOK)
-                       return NOTOK;
-               if (e->eb_flags == NOTOK)
-                       return OK;
-
                switch (p->c_type) {
                case CT_MULTIPART:
                        break;
@@ -1421,9 +1323,8 @@ no_body:
                case CT_MESSAGE:
                        if (p->c_subtype != MESSAGE_RFC822)
                                break;
-                               /* else fall... */
+                       /* else fall... */
                default:
-                       e->eb_partno = ct->c_partno;
                        if (p->c_ctinitfnx)
                                (*p->c_ctinitfnx) (p);
                        break;
@@ -1439,83 +1340,6 @@ no_body:
 }
 
 
-int
-params_external(CT ct, int composing)
-{
-       char **ap, **ep;
-       struct exbody *e = (struct exbody *) ct->c_ctparams;
-       CI ci = &ct->c_ctinfo;
-
-       for (ap = ci->ci_attrs, ep = ci->ci_values; *ap; ap++, ep++) {
-               if (!mh_strcasecmp(*ap, "access-type")) {
-                       struct str2init *s2i;
-                       CT p = e->eb_content;
-
-                       for (s2i = str2methods; s2i->si_key; s2i++)
-                               if (!mh_strcasecmp(*ep, s2i->si_key))
-                                       break;
-                       if (!s2i->si_key) {
-                               e->eb_access = *ep;
-                               e->eb_flags = NOTOK;
-                               p->c_encoding = CE_EXTERNAL;
-                               continue;
-                       }
-                       e->eb_access = s2i->si_key;
-                       e->eb_flags = s2i->si_val;
-                       p->c_encoding = CE_EXTERNAL;
-
-                       /* Call the Init function for this external type */
-                       if ((*s2i->si_init)(p) == NOTOK)
-                               return NOTOK;
-                       continue;
-               }
-               if (!mh_strcasecmp(*ap, "name")) {
-                       e->eb_name = *ep;
-                       continue;
-               }
-               if (!mh_strcasecmp(*ap, "permission")) {
-                       e->eb_permission = *ep;
-                       continue;
-               }
-               if (!mh_strcasecmp(*ap, "site")) {
-                       e->eb_site = *ep;
-                       continue;
-               }
-               if (!mh_strcasecmp(*ap, "directory")) {
-                       e->eb_dir = *ep;
-                       continue;
-               }
-               if (!mh_strcasecmp(*ap, "mode")) {
-                       e->eb_mode = *ep;
-                       continue;
-               }
-               if (!mh_strcasecmp(*ap, "size")) {
-                       sscanf(*ep, "%lu", &e->eb_size);
-                       continue;
-               }
-               if (!mh_strcasecmp(*ap, "server")) {
-                       e->eb_server = *ep;
-                       continue;
-               }
-               if (!mh_strcasecmp(*ap, "subject")) {
-                       e->eb_subject = *ep;
-                       continue;
-               }
-               if (composing && !mh_strcasecmp(*ap, "body")) {
-                       e->eb_body = getcpy(*ep);
-                       continue;
-               }
-       }
-
-       if (!e->eb_access) {
-               advise(NULL, "invalid parameters for \"%s/%s\" type in message %s's %s field", ci->ci_type, ci->ci_subtype, ct->c_file, TYPE_FIELD);
-               return NOTOK;
-       }
-
-       return OK;
-}
-
-
 /*
 ** APPLICATION
 */
@@ -1545,8 +1369,7 @@ init_encoding(CT ct, OpenCEFunc openfnx)
 {
        CE ce;
 
-       if ((ce = (CE) calloc(1, sizeof(*ce))) == NULL)
-               adios(NULL, "out of memory");
+       ce = (CE) mh_xcalloc(1, sizeof(*ce));
 
        ct->c_cefile     = ce;
        ct->c_ceopenfnx  = openfnx;
@@ -1690,7 +1513,7 @@ openBase64(CT ct, char **file)
        cp = context_find(buffer);
        if (cp == NULL || *cp == '\0') {
                snprintf(buffer, sizeof(buffer), "%s-suffix-%s", invo_name,
-                         ci->ci_type);
+                               ci->ci_type);
                cp = context_find(buffer);
        }
        if (cp != NULL && *cp != '\0') {
@@ -1702,7 +1525,7 @@ openBase64(CT ct, char **file)
                        char *file_org = strdup(ce->ce_file);
                        ce->ce_file = add(cp, ce->ce_file);
                        if (rename(file_org, ce->ce_file)) {
-                               adios(ce->ce_file, "unable to rename %s to ",
+                               adios(EX_IOERR, ce->ce_file, "unable to rename %s to ",
                                                file_org);
                        }
                        free(file_org);
@@ -1719,7 +1542,7 @@ openBase64(CT ct, char **file)
        }
 
        if ((len = ct->c_end - ct->c_begin) < 0)
-               adios(NULL, "internal error(1)");
+               adios(EX_SOFTWARE, NULL, "internal error(1)");
 
        if (!ct->c_fp) {
                if ((ct->c_fp = fopen(ct->c_file, "r")) == NULL) {
@@ -1906,12 +1729,14 @@ openQuoted(CT ct, char **file)
        }
        if (cp != NULL && *cp != '\0') {
                if (ce->ce_unlink) {
-                       // Temporary file already exists, so we rename to
-                       // version with extension.
+                       /*
+                       ** Temporary file already exists, so we rename to
+                       ** version with extension.
+                       */
                        char *file_org = strdup(ce->ce_file);
                        ce->ce_file = add(cp, ce->ce_file);
                        if (rename(file_org, ce->ce_file)) {
-                               adios(ce->ce_file, "unable to rename %s to ",
+                               adios(EX_IOERR, ce->ce_file, "unable to rename %s to ",
                                                file_org);
                        }
                        free(file_org);
@@ -1928,7 +1753,7 @@ openQuoted(CT ct, char **file)
        }
 
        if ((len = ct->c_end - ct->c_begin) < 0)
-               adios(NULL, "internal error(2)");
+               adios(EX_SOFTWARE, NULL, "internal error(2)");
 
        if (!ct->c_fp) {
                if ((ct->c_fp = fopen(ct->c_file, "r")) == NULL) {
@@ -2116,7 +1941,7 @@ open7Bit(CT ct, char **file)
        cp = context_find(buffer);
        if (cp == NULL || *cp == '\0') {
                snprintf(buffer, sizeof(buffer), "%s-suffix-%s", invo_name,
-                       ci->ci_type);
+                               ci->ci_type);
                cp = context_find(buffer);
        }
        if (cp != NULL && *cp != '\0') {
@@ -2128,7 +1953,7 @@ open7Bit(CT ct, char **file)
                        char *file_org = strdup(ce->ce_file);
                        ce->ce_file = add(cp, ce->ce_file);
                        if (rename(file_org, ce->ce_file)) {
-                               adios(ce->ce_file, "unable to rename %s to ",
+                               adios(EX_IOERR, ce->ce_file, "unable to rename %s to ",
                                                file_org);
                        }
                        free(file_org);
@@ -2194,7 +2019,7 @@ open7Bit(CT ct, char **file)
        }
 
        if ((len = ct->c_end - ct->c_begin) < 0)
-               adios(NULL, "internal error(3)");
+               adios(EX_SOFTWARE, NULL, "internal error(3)");
 
        if (!ct->c_fp) {
                if ((ct->c_fp = fopen(ct->c_file, "r")) == NULL) {
@@ -2254,359 +2079,3 @@ clean_up:
        }
        return NOTOK;
 }
-
-
-/*
-** External
-*/
-
-static int
-openExternal(CT ct, CT cb, CE ce, char **file, int *fd)
-{
-       if (ce->ce_fp) {
-               fseek(ce->ce_fp, 0L, SEEK_SET);
-               goto ready_already;
-       }
-
-       if (ce->ce_file) {
-               if ((ce->ce_fp = fopen(ce->ce_file, "r")) == NULL) {
-                       content_error(ce->ce_file, ct,
-                                       "unable to fopen for reading");
-                       return NOTOK;
-               }
-               goto ready_already;
-       }
-
-       return OK;
-
-ready_already:
-       *file = ce->ce_file;
-       *fd = fileno(ce->ce_fp);
-       return DONE;
-}
-
-/*
-** File
-*/
-
-static int
-InitFile(CT ct)
-{
-       return init_encoding(ct, openFile);
-}
-
-
-static int
-openFile(CT ct, char **file)
-{
-       int fd;
-       struct exbody *e = ct->c_ctexbody;
-       CE ce = ct->c_cefile;
-
-       switch (openExternal(e->eb_parent, e->eb_content, ce, file, &fd)) {
-       case NOTOK:
-               return NOTOK;
-       case OK:
-               break;
-       case DONE:
-               return fd;
-       }
-
-       if (!e->eb_name) {
-               content_error(NULL, ct, "missing name parameter");
-               return NOTOK;
-       }
-
-       ce->ce_file = getcpy(e->eb_name);
-       ce->ce_unlink = 0;
-
-       if ((ce->ce_fp = fopen(ce->ce_file, "r")) == NULL) {
-               content_error(ce->ce_file, ct, "unable to fopen for reading");
-               return NOTOK;
-       }
-
-       fseek(ce->ce_fp, 0L, SEEK_SET);
-       *file = ce->ce_file;
-       return fileno(ce->ce_fp);
-}
-
-/*
-** FTP
-*/
-
-static int
-InitFTP(CT ct)
-{
-       return init_encoding(ct, openFTP);
-}
-
-
-static int
-openFTP(CT ct, char **file)
-{
-       int fd;
-       int len, buflen;
-       char *bp, *ftp, *user, *pass;
-       char buffer[BUFSIZ];
-       struct exbody *e;
-       CE ce;
-       static char *username = NULL;
-       static char *password = NULL;
-       int child_id, vecp;
-       char *vec[9];
-
-       e  = ct->c_ctexbody;
-       ce = ct->c_cefile;
-
-       if ((ftp = context_find(nmhaccessftp)) && !*ftp)
-               ftp = NULL;
-
-       if (!ftp)
-               return NOTOK;
-
-       switch (openExternal(e->eb_parent, e->eb_content, ce, file, &fd)) {
-       case NOTOK:
-               return NOTOK;
-       case OK:
-               break;
-       case DONE:
-               return fd;
-       }
-
-       if (!e->eb_name || !e->eb_site) {
-               content_error(NULL, ct, "missing %s parameter",
-                               e->eb_name ? "site": "name");
-               return NOTOK;
-       }
-
-       if (xpid) {
-               if (xpid < 0)
-                       xpid = -xpid;
-               pidcheck(pidwait(xpid, NOTOK));
-               xpid = 0;
-       }
-
-       /* Get the buffer ready to go */
-       bp = buffer;
-       buflen = sizeof(buffer);
-
-       /*
-       ** Construct the query message for user
-       */
-       snprintf(bp, buflen, "Retrieve %s", e->eb_name);
-       len = strlen(bp);
-       bp += len;
-       buflen -= len;
-
-       if (e->eb_partno) {
-               snprintf(bp, buflen, " (content %s)", e->eb_partno);
-               len = strlen(bp);
-               bp += len;
-               buflen -= len;
-       }
-
-       snprintf(bp, buflen, "\n    using %sFTP from site %s",
-                       e->eb_flags ? "anonymous " : "", e->eb_site);
-       len = strlen(bp);
-       bp += len;
-       buflen -= len;
-
-       if (e->eb_size > 0) {
-               snprintf(bp, buflen, " (%lu octets)", e->eb_size);
-               len = strlen(bp);
-               bp += len;
-               buflen -= len;
-       }
-       snprintf(bp, buflen, "? ");
-
-       /*
-       ** Now, check the answer
-       */
-       if (!getanswer(buffer))
-               return NOTOK;
-
-       if (e->eb_flags) {
-               user = "anonymous";
-               snprintf(buffer, sizeof(buffer), "%s@%s", getusername(),
-                               LocalName());
-               pass = buffer;
-       } else {
-               ruserpass(e->eb_site, &username, &password);
-               user = username;
-               pass = password;
-       }
-
-       ce->ce_unlink = (*file == NULL);
-
-       if (*file)
-               ce->ce_file = getcpy(*file);
-       else
-               ce->ce_file = getcpy(m_mktemp(tmp, NULL, NULL));
-
-       if ((ce->ce_fp = fopen(ce->ce_file, "w+")) == NULL) {
-               content_error (ce->ce_file, ct,
-                               "unable to fopen for reading/writing");
-               return NOTOK;
-       }
-
-       vecp = 0;
-       vec[vecp++] = mhbasename(ftp);
-       vec[vecp++] = e->eb_site;
-       vec[vecp++] = user;
-       vec[vecp++] = pass;
-       vec[vecp++] = e->eb_dir;
-       vec[vecp++] = e->eb_name;
-       vec[vecp++] = ce->ce_file,
-       vec[vecp++] = e->eb_mode &&
-                       !mh_strcasecmp(e->eb_mode, "ascii") ?
-                       "ascii" : "binary";
-       vec[vecp] = NULL;
-
-       fflush(stdout);
-
-       switch (child_id = fork()) {
-       case NOTOK:
-               adios("fork", "unable to");
-               /* NOTREACHED */
-
-       case OK:
-               close(fileno(ce->ce_fp));
-               execvp(ftp, vec);
-               fprintf(stderr, "unable to exec ");
-               perror(ftp);
-               _exit(-1);
-               /* NOTREACHED */
-
-       default:
-               if (pidXwait(child_id, NULL)) {
-                       username = password = NULL;
-                       ce->ce_unlink = 1;
-                       return NOTOK;
-               }
-               break;
-       }
-
-       fseek(ce->ce_fp, 0L, SEEK_SET);
-       *file = ce->ce_file;
-       return fileno(ce->ce_fp);
-}
-
-
-/*
-** Mail
-*/
-
-static int
-InitMail(CT ct)
-{
-       return init_encoding(ct, openMail);
-}
-
-
-static int
-openMail(CT ct, char **file)
-{
-       int child_id, fd, vecp;
-       int len, buflen;
-       char *bp, buffer[BUFSIZ], *vec[7];
-       struct exbody *e = ct->c_ctexbody;
-       CE ce = ct->c_cefile;
-
-       switch (openExternal(e->eb_parent, e->eb_content, ce, file, &fd)) {
-       case NOTOK:
-               return NOTOK;
-       case OK:
-               break;
-       case DONE:
-               return fd;
-       }
-
-       if (!e->eb_server) {
-               content_error(NULL, ct, "missing server parameter");
-               return NOTOK;
-       }
-
-       if (xpid) {
-               if (xpid < 0)
-                       xpid = -xpid;
-               pidcheck(pidwait(xpid, NOTOK));
-               xpid = 0;
-       }
-
-       /* Get buffer ready to go */
-       bp = buffer;
-       buflen = sizeof(buffer);
-
-       /* Now, construct query message */
-       snprintf(bp, buflen, "Retrieve content");
-       len = strlen(bp);
-       bp += len;
-       buflen -= len;
-
-       if (e->eb_partno) {
-               snprintf(bp, buflen, " %s", e->eb_partno);
-               len = strlen(bp);
-               bp += len;
-               buflen -= len;
-       }
-
-       snprintf(bp, buflen, " by asking %s\n\n%s\n? ", e->eb_server,
-                       e->eb_subject ? e->eb_subject : e->eb_body);
-
-       /* Now, check answer */
-       if (!getanswer(buffer))
-               return NOTOK;
-
-       vecp = 0;
-       vec[vecp++] = "mhmail";
-       vec[vecp++] = e->eb_server;
-       vec[vecp++] = "-subject";
-       vec[vecp++] = e->eb_subject ? e->eb_subject : "mail-server request";
-       vec[vecp++] = "-body";
-       vec[vecp++] = e->eb_body;
-       vec[vecp] = NULL;
-
-       switch (child_id = fork()) {
-       case NOTOK:
-               advise("fork", "unable to");
-               return NOTOK;
-
-       case OK:
-               execvp(*vec, vec);
-               fprintf(stderr, "unable to exec ");
-               perror(*vec);
-               _exit(-1);
-               /* NOTREACHED */
-
-       default:
-               if (pidXwait(child_id, NULL) == OK)
-                       advise(NULL, "request sent");
-               break;
-       }
-
-       if (*file == NULL) {
-               ce->ce_file = getcpy(m_mktemp(tmp, NULL, NULL));
-               ce->ce_unlink = 1;
-       } else {
-               ce->ce_file = getcpy(*file);
-               ce->ce_unlink = 0;
-       }
-
-       if ((ce->ce_fp = fopen(ce->ce_file, "w+")) == NULL) {
-               content_error(ce->ce_file, ct,
-                               "unable to fopen for reading/writing");
-               return NOTOK;
-       }
-
-       /*
-       ** showproc is for mhshow and mhstore, though mhlist -debug
-       ** prints it, too.
-       */
-       if (ct->c_showproc)
-               free(ct->c_showproc);
-       ct->c_showproc = getcpy("true");
-
-       fseek(ce->ce_fp, 0L, SEEK_SET);
-       *file = ce->ce_file;
-       return fileno(ce->ce_fp);
-}