Fix uip/whom.c for C89 compatibility
[mmh] / uip / send.c
index 07f2545..d7691db 100644 (file)
 #include <h/utils.h>
 #include <sysexits.h>
 #include <sys/wait.h>
+#include <unistd.h>
+#include <ctype.h>
+#include <sys/stat.h>
+#include <locale.h>
 
 #ifdef HAVE_SYS_TIME_H
 # include <sys/time.h>
 #endif
 #include <time.h>
 
+#ifdef HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+
 int debugsw = 0;  /* global */
 char *altmsg = NULL;
 char *annotext = NULL;
@@ -65,6 +73,7 @@ static struct swit switches[] = {
        { NULL, 0 }
 };
 
+char *version=VERSION;
 
 int
 main(int argc, char **argv)
@@ -73,7 +82,7 @@ main(int argc, char **argv)
        int msgnum, status;
        int in, out;
        int n;
-       char *cp, *maildir = NULL;
+       char *cp, *maildir = NULL, *folder = NULL;
        char buf[BUFSIZ], **argp, **arguments;
        char *msgs[MAXARGS], *vec[MAXARGS];
        char *files[MAXARGS];
@@ -95,19 +104,19 @@ main(int argc, char **argv)
                        switch (smatch(++cp, switches)) {
                        case AMBIGSW:
                                ambigsw(cp, switches);
-                               exit(1);
+                               exit(EX_USAGE);
                        case UNKWNSW:
-                               adios(NULL, "-%s unknown\n", cp);
+                               adios(EX_USAGE, NULL, "-%s unknown\n", cp);
 
                        case HELPSW:
                                snprintf(buf, sizeof(buf),
                                                "%s [file] [switches]",
                                                invo_name);
                                print_help(buf, switches, 1);
-                               exit(0);
+                               exit(argc == 2 ? EX_OK : EX_USAGE);
                        case VERSIONSW:
                                print_version(invo_name);
-                               exit(0);
+                               exit(argc == 2 ? EX_OK : EX_USAGE);
 
                        case DEBUGSW:
                                debugsw++;
@@ -117,6 +126,12 @@ main(int argc, char **argv)
                                vec[vecp++] = --cp;
                                continue;
                        }
+               } else if (*cp == '+' || *cp == '@') {
+                       if (folder) {
+                               adios(EX_USAGE, NULL, "only one folder at a time!");
+                       } else {
+                               folder = mh_xstrdup(expandfol(cp));
+                       }
                } else {
                        if (*cp == '/') {
                                files[nfiles++] = cp;
@@ -131,22 +146,23 @@ main(int argc, char **argv)
        }
 
        if (nmsgs) {
-               maildir = toabsdir(draftfolder);
+               folder = folder ? folder : draftfolder;
+               maildir = toabsdir(folder);
                if (chdir(maildir) == NOTOK) {
-                       adios(maildir, "unable to change directory to");
+                       adios(EX_OSERR, maildir, "unable to change directory to");
                }
-               if (!(mp = folder_read(draftfolder))) {
-                       adios(NULL, "unable to read draft folder %s",
-                                       draftfolder);
+               if (!(mp = folder_read(folder))) {
+                       adios(EX_IOERR, NULL, "unable to read folder %s",
+                                       folder);
                }
                if (mp->nummsg == 0) {
-                       adios(NULL, "no messages in draft folder %s",
-                                       draftfolder);
+                       adios(EX_DATAERR, NULL, "no messages in folder %s",
+                                       folder);
                }
                /* parse all the msgranges/sequences and set SELECTED */
                for (msgnum = 0; msgnum < nmsgs; msgnum++) {
                        if (!m_convert(mp, msgs[msgnum])) {
-                               exit(1);
+                               exit(EX_USAGE);
                        }
                }
                seq_setprev(mp);
@@ -154,7 +170,7 @@ main(int argc, char **argv)
                for (nmsgs = 0, msgnum = mp->lowsel;
                                msgnum <= mp->hghsel; msgnum++) {
                        if (is_selected(mp, msgnum)) {
-                               files[nfiles++] = getcpy(m_name(msgnum));
+                               files[nfiles++] = mh_xstrdup(m_name(msgnum));
                                unset_exists(mp, msgnum);
                        }
                }
@@ -171,7 +187,7 @@ main(int argc, char **argv)
 
        for (n = 0; n < nfiles; n++) {
                if (stat(files[n], &st) == NOTOK) {
-                       adios(files[n], "unable to stat draft file");
+                       adios(EX_IOERR, files[n], "unable to stat draft file");
                }
        }
 
@@ -185,12 +201,12 @@ main(int argc, char **argv)
        if ((cp = getenv("mhdist")) && *cp && (distsw = atoi(cp)) && altmsg) {
                vec[vecp++] = "-dist";
                if ((in = open(altmsg, O_RDONLY)) == NOTOK) {
-                       adios(altmsg, "unable to open for reading");
+                       adios(EX_IOERR, altmsg, "unable to open for reading");
                }
                fstat(in, &st2);
-               distfile = getcpy(m_mktemp2(NULL, invo_name, NULL, NULL));
+               distfile = mh_xstrdup(m_mktemp2(NULL, invo_name, NULL, NULL));
                if ((out = creat(distfile, (int)st2.st_mode & 0777))==NOTOK) {
-                       adios(distfile, "unable to open for writing");
+                       adios(EX_IOERR, distfile, "unable to open for writing");
                }
                cpydata(in, out, altmsg, distfile);
                close(in);
@@ -253,6 +269,7 @@ sendsbr(char **vec, int vecp, char *drft, struct stat *st)
        */
        switch (attach(drft)) {
        case OK:
+               /* successfully MIMEified: use generate draft */
                drft = composition_file_name;
                break;
 
@@ -260,6 +277,7 @@ sendsbr(char **vec, int vecp, char *drft, struct stat *st)
                return (NOTOK);
 
        case DONE:
+               /* already in MIME format: keep original draft */
                break;
        }
 
@@ -283,8 +301,7 @@ sendsbr(char **vec, int vecp, char *drft, struct stat *st)
                break;
        }
 
-       switch (sendaux(vec, vecp, drft, st)) {
-       case OK:
+       if ((status = sendaux(vec, vecp, drft, st)) == OK) {
                /* move original draft to +trash folder */
                /* temporary close stdin, for refile not to ask */
                dupfd = dup(0);
@@ -296,11 +313,8 @@ sendsbr(char **vec, int vecp, char *drft, struct stat *st)
                }
                dup2(dupfd, 0);
                close(dupfd);
-               break;
-
-       default:
+       } else {
                status = DONE;
-               break;
        }
 
        if (distfile) {
@@ -320,60 +334,22 @@ attach(char *draft_file_name)
 {
        char buf[MAXPATHLEN + 6];
        int c;
-       int has_attachment;
-       int has_body;
-       int non_ascii; /* msg body contains non-ASCII chars */
-       int length;  /* length of attachment header field name */
+       int length = strlen(attach_hdr);
        char *p;
 
-       if (!(draft_file = fopen(draft_file_name, "r"))) {
-               adios(NULL, "can't open draft file `%s'.", draft_file_name);
-       }
-
-       /* We'll grow the buffer as needed. */
-       field = (char *)mh_xmalloc(field_size = 256);
-
-       /*
-       ** Scan the draft file for an attachment header field name.
-       */
-       length = strlen(attach_hdr);
-       has_attachment = 0;
-       while (get_line() != EOF && *field != '\0' && *field != '-') {
-               if (strncasecmp(field, attach_hdr, length)==0 &&
-                               field[length] == ':') {
-                       has_attachment = 1;
-               }
+       if(distfile) {
+               return DONE;
        }
 
-       /*
-       ** Look for at least one non-blank line in the body of the
-       ** message which indicates content in the body.
-       ** Check if body contains at least one non-blank (= not empty)
-       ** and if it contains any non-ASCII chars (= need MIME).
-       */
-       has_body = 0;
-       non_ascii = 0;
-       while (get_line() != EOF) {
-               for (p = field; *p != '\0'; p++) {
-                       if (*p != ' ' && *p != '\t') {
-                               has_body = 1;
-                       }
-                       if (*p > 127 || *p < 0) {
-                               non_ascii = 1;
-                       }
-               }
-               if (has_body && non_ascii) {
-                       break;  /* that's been already enough information */
-               }
+       if (!(draft_file = fopen(draft_file_name, "r"))) {
+               adios(EX_IOERR, NULL, "can't open draft file `%s'.", draft_file_name);
        }
 
-       if (!has_attachment && non_ascii==0) {
-               /* We don't need to convert it to MIME. */
-               return DONE;
-       }
+       /* We'll grow the buffer as needed. */
+       field = mh_xcalloc(field_size = 256, sizeof(char));
 
        /*
-       ** Else: mimify
+       ** MIMEify
        */
 
        /* Make names for the temporary files.  */
@@ -384,19 +360,27 @@ attach(char *draft_file_name)
                        m_mktemp(toabsdir(invo_name), NULL, NULL),
                        sizeof (composition_file_name));
 
-       if (has_body) {
-               body_file = fopen(body_file_name, "w");
-       }
+       body_file = fopen(body_file_name, "w");
        composition_file = fopen(composition_file_name, "w");
 
-       if ((has_body && !body_file) || !composition_file) {
+       if (!body_file || !composition_file) {
                clean_up_temporary_files();
-               adios(NULL, "unable to open all of the temporary files.");
+               adios(EX_IOERR, NULL, "unable to open all of the temporary files.");
        }
 
        /* Copy non-attachment header fields to the temp composition file. */
        rewind(draft_file);
        while (get_line() != EOF && *field && *field != '-') {
+               if (strncasecmp(field, VRSN_FIELD, strlen(VRSN_FIELD))==0 &&
+                               field[strlen(VRSN_FIELD)] == ':') {
+                       /*
+                       ** The draft is already in MIME format, thus
+                       ** back out and use the original draft file.
+                       */
+                       clean_up_temporary_files();
+                       return DONE;
+               }
+
                if (strncasecmp(field, attach_hdr, length) != 0 ||
                                field[length] != ':') {
                        fprintf(composition_file, "%s\n", field);
@@ -404,17 +388,15 @@ attach(char *draft_file_name)
        }
        fputs("--------\n", composition_file);
 
-       if (has_body) {
-               /* Copy the message body to the temporary file. */
-               while ((c = getc(draft_file)) != EOF) {
-                       putc(c, body_file);
-               }
-               fclose(body_file);
-
-               /* Add a mhbuild MIME composition file line for the body */
-               /* charset will be discovered/guessed by mhbuild */
-               fprintf(composition_file, "#text/plain %s\n", body_file_name);
+       /* Copy the message body to the temporary file. */
+       while ((c = getc(draft_file)) != EOF) {
+               putc(c, body_file);
        }
+       fclose(body_file);
+
+       /* Add a mhbuild MIME composition file line for the body */
+       /* charset will be discovered/guessed by mhbuild */
+       fprintf(composition_file, "#text/plain %s\n", body_file_name);
 
        /*
        ** Now, go back to the beginning of the draft file and look for
@@ -461,12 +443,16 @@ signandenc(char *draft_file_name)
        int doenc = 0;
        int ret;
 
+       if(distfile) {
+               return DONE;
+       }
+
        if (!(draft_file = fopen(draft_file_name, "r"))) {
-               adios(NULL, "can't open draft file `%s'.", draft_file_name);
+               adios(EX_IOERR, NULL, "can't open draft file `%s'.", draft_file_name);
        }
 
        /* We'll grow the buffer as needed. */
-       field = (char *)mh_xmalloc(field_size = 256);
+       field = mh_xcalloc(field_size = 256, sizeof(char));
 
        /* Scan the draft file for an attachment header field name. */
        while (get_line() != EOF && *field != '\0' && *field != '-') {
@@ -535,7 +521,7 @@ get_line(void)
                        break;
                }
                if (++n >= field_size - 1) {
-                       field = (char *)mh_xrealloc(field, field_size += 256);
+                       field = mh_xrealloc(field, field_size += 256);
                        p = field + n - 1;
                }
        }
@@ -565,7 +551,7 @@ make_mime_composition_file_entry(char *file_name)
 
        if (!(fp = popen(cmdbuf, "r"))) {
                clean_up_temporary_files();
-               adios(NULL, "unable to determine content type with `%s'",
+               adios(EX_IOERR, NULL, "unable to determine content type with `%s'",
                                cmdbuf);
        }
        if (fgets(content_type, sizeof content_type, fp) &&
@@ -581,14 +567,14 @@ make_mime_composition_file_entry(char *file_name)
        /* TODO: don't use access(2) because it checks for ruid, not euid */
        if (access(file_name, R_OK) != 0) {
                clean_up_temporary_files();
-               adios(NULL, "unable to access file `%s'", file_name);
+               adios(EX_IOERR, NULL, "unable to access file `%s'", file_name);
        }
 
        /* Check for broken file(1). See man page mh-profile(5). */
        for (cp=content_type; *cp; cp++) {
                if (isspace(*cp)) {
                        if (!semicolon) {
-                               adios(NULL, "Sorry, your Mime-Type-Query command (%s) is broken.\n\tThe output misses a semicolon before the whitespace.\n\tOutput was: %s", cmd, content_type);
+                               adios(EX_SOFTWARE, NULL, "Sorry, your Mime-Type-Query command (%s) is broken.\n\tThe output misses a semicolon before the whitespace.\n\tOutput was: %s", cmd, content_type);
                        }
                } else if (*cp == ';') {
                        semicolon = 1;
@@ -633,7 +619,7 @@ sendaux(char **vec, int vecp, char *drft, struct stat *st)
                execvp(*vec, vec);
                fprintf(stderr, "unable to exec ");
                perror(*vec);
-               _exit(-1);
+               _exit(EX_OSERR);
                break;  /* NOT REACHED */
 
        default:
@@ -656,7 +642,6 @@ sendaux(char **vec, int vecp, char *drft, struct stat *st)
                }
        }
 
-
        return status ? NOTOK : status;
 }