X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=uip%2Fsendsbr.c;fp=uip%2Fsendsbr.c;h=0000000000000000000000000000000000000000;hp=029ccb75007875331abb0c4b8773f9fd7e242cc4;hb=c42222869e318fff5dec395eca3e776db3075455;hpb=66153aae4e74cc270cbdbc48f20284b13fb700fc diff --git a/uip/sendsbr.c b/uip/sendsbr.c deleted file mode 100644 index 029ccb7..0000000 --- a/uip/sendsbr.c +++ /dev/null @@ -1,723 +0,0 @@ -/* -** sendsbr.c -- routines to help WhatNow/Send along -** -** 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 - -#ifdef TIME_WITH_SYS_TIME -# include -# include -#else -# ifdef TM_IN_SYS_TIME -# include -# else -# include -# endif -#endif - -int debugsw = 0; /* global */ -int forwsw = 1; -int inplace = 1; -int pushsw = 0; -int verbsw = 0; - -char *altmsg = NULL; /* .. */ -char *annotext = NULL; -char *distfile = NULL; - -static jmp_buf env; - -/* name of temp file for body content */ -static char body_file_name[MAXPATHLEN + 1]; -/* name of mhbuild composition temporary file */ -static char composition_file_name[MAXPATHLEN + 1]; -static int field_size; /* size of header field buffer */ -static char *field; /* header field buffer */ -static FILE *draft_file; /* draft file pointer */ -static FILE *body_file; /* body file pointer */ -static FILE *composition_file; /* composition file pointer */ - -/* -** external prototypes -*/ -int sendsbr(char **, int, char *, struct stat *, int); -char *getusername(void); - -/* -** static prototypes -*/ -static void armed_done(int) NORETURN; -static void alert(char *, int); -static int tmp_fd(void); -static void anno(int, struct stat *); -static void annoaux(int); -static int sendaux(char **, int, char *, struct stat *); - -static int attach(char *); -static void clean_up_temporary_files(void); -static int get_line(void); -static void make_mime_composition_file_entry(char *); - - -/* -** Entry point into (back-end) routines to send message. -*/ - -int -sendsbr(char **vec, int vecp, char *drft, struct stat *st, int rename_drft) -{ - int status; - char buffer[BUFSIZ]; - char *original_draft; /* name of original draft file */ - char *p; /* string pointer for building file name */ - - /* - ** Save the original name of the draft file. The name of the - ** draft file is changed to a temporary file containing the built - ** MIME message if there are attachments. We need the original - ** name so that it can be renamed after the message is sent. - */ - - original_draft = drft; - - /* - ** Convert the draft to a MIME message. - ** Use the mhbuild composition file for the draft if there was - ** a successful conversion because that now contains the MIME - ** message. A nice side effect of this is that it leaves the - ** original draft file untouched so that it can be retrieved - ** and modified if desired. - */ - switch (attach(drft)) { - case OK: - drft = composition_file_name; - break; - - case NOTOK: - return (NOTOK); - - case DONE: - break; - } - - done=armed_done; - switch (setjmp(env)) { - case OK: - status = sendaux(vec, vecp, drft, st) ? NOTOK : OK; - /* rename the original draft */ - if (rename_drft && status == OK && - rename(original_draft, strncpy(buffer, - m_backup(original_draft), sizeof(buffer))) - == NOTOK) - advise(buffer, "unable to rename %s to", drft); - break; - - default: - status = DONE; - break; - } - - done=exit; - if (distfile) - unlink(distfile); - - /* - ** Get rid of any temporary files that we created for attachments. - ** Also get rid of the renamed composition file that mhbuild - ** leaves as a turd. It looks confusing, but we use the body - ** file name to help build the renamed composition file name. - */ - - if (drft == composition_file_name) { - clean_up_temporary_files(); - - if (strlen(composition_file_name) >= - sizeof (composition_file_name) - 6) - advise(NULL, "unable to remove original composition file."); - - else { - if ((p = strrchr(composition_file_name, '/')) == NULL) - p = composition_file_name; - else - p++; - - strcpy(body_file_name, p); - *p++ = ','; - strcpy(p, body_file_name); - strcat(p, ".orig"); - - unlink(composition_file_name); - } - } - - return status; -} - -static int -attach(char *draft_file_name) -{ - char buf[MAXPATHLEN + 6]; /* miscellaneous buffer */ - int c; /* current character for body copy */ - int has_attachment; /* draft has at least one attachment */ - int has_body; /* draft has a message body */ - int non_ascii; /* msg body contains non-ASCII chars */ - int length; /* length of attachment header field name */ - char *p; /* miscellaneous string pointer */ - - /* Open up the draft file. */ - if ((draft_file = fopen(draft_file_name, "r")) == (FILE *)0) - adios(NULL, "can't open draft file `%s'.", - draft_file_name); - - /* - ** Allocate a buffer to hold the header components as they're read in. - ** This buffer might need to be quite large, so we grow it as needed. - */ - field = (char *)mh_xmalloc(field_size = 256); - - /* - ** Scan the draft file for an attachment header field name. - ** The existence of one indicates that the - ** draft has attachments. Bail out if there are no attachments - ** because we're done. Read to the end of the headers even if - ** we have no attachments. - */ - 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; - } - } - - /* - ** 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; - } - - /* - ** Bail out if there are no attachments and only ASCII text. - ** This means we don't need to convert it to MIME. - */ - if (!has_attachment && non_ascii==0) { - return DONE; - } - - /* - ** Else: mimify - */ - - /* Make names for the temporary files. */ - strncpy(body_file_name, - m_mktemp(toabsdir(invo_name), NULL, NULL), - sizeof (body_file_name)); - strncpy(composition_file_name, - m_mktemp(toabsdir(invo_name), NULL, NULL), - sizeof (composition_file_name)); - - if (has_body) - body_file = fopen(body_file_name, "w"); - - composition_file = fopen(composition_file_name, "w"); - - if ((has_body && !body_file) || !composition_file) { - clean_up_temporary_files(); - adios(NULL, "unable to open all of the temporary files."); - } - - /* - ** Start at the beginning of the draft file. Copy all - ** non-attachment header fields to the temporary composition file. - ** Then add the dashed line separator. - */ - rewind(draft_file); - while (get_line() != EOF && *field && *field != '-') { - if (strncasecmp(field, attach_hdr, length) != 0 || - field[length] != ':') { - fprintf(composition_file, "%s\n", field); - } - } - 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 buildmimeproc */ - fprintf(composition_file, "#text/plain %s\n", body_file_name); - } - - /* - ** Now, go back to the beginning of the draft file and look for - ** header fields that specify attachments. Add a mhbuild MIME - ** composition file for each. - */ - rewind(draft_file); - while (get_line() != EOF && *field && *field != '-') { - if (strncasecmp(field, attach_hdr, length) == 0 && - field[length] == ':') { - for (p = field+length+1; *p==' ' || *p=='\t'; p++) { - continue; - } - if (*p == '+') { - /* forwarded message */ - fprintf(composition_file, "#forw [forwarded message(s)] %s\n", p); - } else { - make_mime_composition_file_entry(p); - } - } - } - - fclose(composition_file); - - /* - ** We're ready to roll! Run mhbuild on the composition file. - ** Note that mhbuild is in the context as buildmimeproc. - */ - sprintf(buf, "%s %s", buildmimeproc, composition_file_name); - - if (system(buf) != 0) { - clean_up_temporary_files(); - return (NOTOK); - } - - return (OK); -} - -static void -clean_up_temporary_files(void) -{ - unlink(body_file_name); - unlink(composition_file_name); - - return; -} - -static int -get_line(void) -{ - int c; /* current character */ - int n; /* number of bytes in buffer */ - char *p; /* buffer pointer */ - - /* - ** Get a line from the input file, growing the field buffer as - ** needed. We do this so that we can fit an entire line in the - ** buffer making it easy to do a string comparison on both the - ** field name and the field body which might be a long path name. - */ - - for (n = 0, p = field; (c = getc(draft_file)) != EOF; *p++ = c) { - if (c == '\n' && (c = getc(draft_file)) != ' ' && c != '\t') { - ungetc(c, draft_file); - c = '\n'; - break; - } - - if (++n >= field_size - 1) { - field = (char *)mh_xrealloc((void *)field, field_size += 256); - - p = field + n - 1; - } - } - - /* NUL-terminate the field. */ - *p = '\0'; - - return (c); -} - -static void -make_mime_composition_file_entry(char *file_name) -{ - FILE *fp; - struct node *np; - char *cp; - char content_type[BUFSIZ]; - char cmdbuf[BUFSIZ]; - char *cmd = mimetypequeryproc; - - for (np = m_defs; np; np = np->n_next) { - if (strcasecmp(np->n_name, mimetypequery)==0) { - cmd = np->n_field; - break; - } - } - snprintf(cmdbuf, sizeof cmdbuf, "%s %s", cmd, file_name); - - if (!(fp = popen(cmdbuf, "r"))) { - clean_up_temporary_files(); - adios(NULL, "unable to determine content type with `%s'", - cmdbuf); - } - if (fgets(content_type, sizeof content_type, fp) && - (cp = strrchr(content_type, '\n'))) { - *cp = '\0'; - } else { - strcpy(content_type, "application/octet-stream"); - admonish(NULL, "problems with `%s', using fall back type `%s'", - cmdbuf, content_type); - } - pclose(fp); - - /* TODO: don't use access(2) because it checks for ruid, not euid */ - if (access(file_name, R_OK) != 0) { - clean_up_temporary_files(); - adios(NULL, "unable to access file `%s'", file_name); - } - - fprintf(composition_file, "#%s; name=\"%s\" <>{attachment}", - content_type, - (!(cp = strrchr(file_name, '/'))) ? file_name : cp + 1); - - fprintf(composition_file, " %s\n", file_name); - - return; -} - -/* -** Annotate original message, and -** call `postproc' to send message. -*/ -static int -sendaux(char **vec, int vecp, char *drft, struct stat *st) -{ - pid_t child_id; - int i, status, fd, fd2; - char backup[BUFSIZ]; - - fd = pushsw ? tmp_fd() : NOTOK; - fd2 = NOTOK; - - vec[vecp++] = drft; - if (annotext && (fd2 = tmp_fd()) == NOTOK) { - admonish(NULL, "unable to create file for annotation list"); - } - if (distfile && distout(drft, distfile, backup) == NOTOK) - done(1); - vec[vecp] = NULL; - - for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++) - sleep(5); - - switch (child_id) { - case -1: - /* oops -- fork error */ - adios("fork", "unable to"); - break; /* NOT REACHED */ - - case 0: - /* - ** child process -- send it - ** - ** If fd is ok, then we are pushing and fd points to temp - ** file, so capture anything on stdout and stderr there. - */ - if (fd != NOTOK) { - dup2(fd, fileno(stdout)); - dup2(fd, fileno(stderr)); - close(fd); - } - execvp(postproc, vec); - fprintf(stderr, "unable to exec "); - perror(postproc); - _exit(-1); - break; /* NOT REACHED */ - - default: - /* - ** parent process -- wait for it - */ - if ((status = pidwait(child_id, NOTOK)) == OK) { - if (annotext && fd2 != NOTOK) - anno(fd2, st); - } else { - /* - ** If postproc failed, and we have good fd (which - ** means we pushed), then mail error message - ** (and possibly the draft) back to the user. - */ - if (fd != NOTOK) { - alert(drft, fd); - close(fd); - } else { - advise(NULL, "message not delivered to anyone"); - } - if (annotext && fd2 != NOTOK) - close(fd2); - if (distfile) { - unlink(drft); - if (rename(backup, drft) == NOTOK) - advise(drft, "unable to rename %s to", - backup); - } - } - break; - } - - return status; -} - - -/* -** Mail error notification (and possibly a copy of the -** message) back to the user, using the mailproc -*/ -static void -alert(char *file, int out) -{ - pid_t child_id; - int i, in; - char buf[BUFSIZ]; - - for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++) - sleep(5); - - switch (child_id) { - case NOTOK: - /* oops -- fork error */ - advise("fork", "unable to"); - - case OK: - /* child process -- send it */ - SIGNAL(SIGHUP, SIG_IGN); - SIGNAL(SIGINT, SIG_IGN); - SIGNAL(SIGQUIT, SIG_IGN); - SIGNAL(SIGTERM, SIG_IGN); - if (forwsw) { - if ((in = open(file, O_RDONLY)) == NOTOK) { - admonish(file, "unable to re-open"); - } else { - lseek(out, (off_t) 0, SEEK_END); - strncpy(buf, "\nMessage not delivered to anyone.\n", sizeof(buf)); - write(out, buf, strlen(buf)); - strncpy(buf, "\n------- Unsent Draft\n\n", sizeof(buf)); - write(out, buf, strlen(buf)); - cpydgst(in, out, file, "temporary file"); - close(in); - strncpy(buf, "\n------- End of Unsent Draft\n", sizeof(buf)); - write(out, buf, strlen(buf)); - if (rename(file, strncpy(buf, m_backup(file), sizeof(buf))) == NOTOK) - admonish(buf, "unable to rename %s to", file); - } - } - lseek(out, (off_t) 0, SEEK_SET); - dup2(out, fileno(stdin)); - close(out); - /* create subject for error notification */ - snprintf(buf, sizeof(buf), "send failed on %s", - forwsw ? "enclosed draft" : file); - - execlp(mailproc, mhbasename(mailproc), getusername(), - "-subject", buf, NULL); - fprintf(stderr, "unable to exec "); - perror(mailproc); - _exit(-1); - - default: /* no waiting... */ - break; - } -} - - -static int -tmp_fd(void) -{ - int fd; - char *tfile = NULL; - - tfile = m_mktemp2(NULL, invo_name, &fd, NULL); - if (tfile == NULL) return NOTOK; - fchmod(fd, 0600); - - if (debugsw) - advise(NULL, "temporary file %s selected", tfile); - else - if (unlink(tfile) == NOTOK) - advise(tfile, "unable to remove"); - - return fd; -} - - -static void -anno(int fd, struct stat *st) -{ - pid_t child_id; - sigset_t set, oset; - static char *cwd = NULL; - struct stat st2; - - if (altmsg && (stat(altmsg, &st2) == NOTOK || - st->st_mtime != st2.st_mtime || - st->st_dev != st2.st_dev || - st->st_ino != st2.st_ino)) { - if (debugsw) - admonish(NULL, "$mhaltmsg mismatch"); - return; - } - - child_id = debugsw ? NOTOK : fork(); - switch (child_id) { - case NOTOK: /* oops */ - if (!debugsw) - advise(NULL, "unable to fork, so doing annotations by hand..."); - if (cwd == NULL) - cwd = getcpy(pwd()); - /* fall */ - - case OK: - /* block a few signals */ - sigemptyset(&set); - sigaddset(&set, SIGHUP); - sigaddset(&set, SIGINT); - sigaddset(&set, SIGQUIT); - sigaddset(&set, SIGTERM); - SIGPROCMASK(SIG_BLOCK, &set, &oset); - - annoaux(fd); - if (child_id == OK) - _exit(0); - - /* reset the signal mask */ - SIGPROCMASK(SIG_SETMASK, &oset, &set); - - chdir(cwd); - break; - - default: /* no waiting... */ - close(fd); - break; - } -} - - -static void -annoaux(int fd) -{ - int fd2, fd3, msgnum; - char *cp, *folder, *maildir; - char buffer[BUFSIZ], **ap; - FILE *fp; - struct msgs *mp; - - if ((folder = getenv("mhfolder")) == NULL || *folder == 0) { - if (debugsw) - admonish(NULL, "$mhfolder not set"); - return; - } - maildir = toabsdir(folder); - if (chdir(maildir) == NOTOK) { - if (debugsw) - admonish(maildir, "unable to change directory to"); - return; - } - if (!(mp = folder_read(folder))) { - if (debugsw) - admonish(NULL, "unable to read folder %s", folder); - return; - } - - /* check for empty folder */ - if (mp->nummsg == 0) { - if (debugsw) - admonish(NULL, "no messages in %s", folder); - goto oops; - } - - if ((cp = getenv("mhmessages")) == NULL || *cp == 0) { - if (debugsw) - admonish(NULL, "$mhmessages not set"); - goto oops; - } - if (!debugsw /* MOBY HACK... */ - && pushsw - && (fd3 = open("/dev/null", O_RDWR)) != NOTOK - && (fd2 = dup(fileno(stderr))) != NOTOK) { - dup2(fd3, fileno(stderr)); - close(fd3); - } else - fd2 = NOTOK; - for (ap = brkstring(cp = getcpy(cp), " ", NULL); *ap; ap++) - m_convert(mp, *ap); - free(cp); - if (fd2 != NOTOK) - dup2(fd2, fileno(stderr)); - if (mp->numsel == 0) { - if (debugsw) - admonish(NULL, "no messages to annotate"); - goto oops; - } - - lseek(fd, (off_t) 0, SEEK_SET); - if ((fp = fdopen(fd, "r")) == NULL) { - if (debugsw) - admonish(NULL, "unable to fdopen annotation list"); - goto oops; - } - cp = NULL; - while (fgets(buffer, sizeof(buffer), fp) != NULL) - cp = add(buffer, cp); - fclose(fp); - - if (debugsw) - advise(NULL, "annotate%s with %s: \"%s\"", - inplace ? " inplace" : "", annotext, cp); - for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) { - if (is_selected(mp, msgnum)) { - if (debugsw) - advise(NULL, "annotate message %d", msgnum); - annotate(m_name(msgnum), annotext, cp, inplace, - 1, -2, 0); - } - } - - free(cp); - -oops: - folder_free(mp); /* free folder/message structure */ -} - - -static void -armed_done(int status) -{ - longjmp(env, status ? status : NOTOK); - - exit(status); -}