X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=uip%2Fsendsbr.c;h=b2a298cd04fc87a20762d890b9aa1b8a302750e0;hp=42c2c21d32a5cacd84737a48a8a77e763016947c;hb=47a78dcb28c6a836574f73f40b05d4adc9c3ad81;hpb=5b792c4424571f05bc2008e3109797d18d7d00d1 diff --git a/uip/sendsbr.c b/uip/sendsbr.c index 42c2c21..b2a298c 100644 --- a/uip/sendsbr.c +++ b/uip/sendsbr.c @@ -30,7 +30,6 @@ int debugsw = 0; /* global */ int forwsw = 1; int inplace = 1; int pushsw = 0; -int unique = 0; int verbsw = 0; char *altmsg = NULL; /* .. */ @@ -52,7 +51,7 @@ static FILE *composition_file; /* composition file pointer */ /* ** external prototypes */ -int sendsbr(char **, int, char *, struct stat *, int, char *, int); +int sendsbr(char **, int, char *, struct stat *, int); char *getusername(void); /* @@ -65,10 +64,10 @@ static void anno(int, struct stat *); static void annoaux(int); static int sendaux(char **, int, char *, struct stat *); -static int attach(char *, char *, int); +static int attach(char *); static void clean_up_temporary_files(void); static int get_line(void); -static void make_mime_composition_file_entry(char *, int); +static void make_mime_composition_file_entry(char *); /* @@ -76,11 +75,10 @@ static void make_mime_composition_file_entry(char *, int); */ int -sendsbr(char **vec, int vecp, char *drft, struct stat *st, - int rename_drft, char *attachment_header_field_name, int attachformat) +sendsbr(char **vec, int vecp, char *drft, struct stat *st, int rename_drft) { int status; - char buffer[BUFSIZ], file[BUFSIZ]; + char buffer[BUFSIZ]; char *original_draft; /* name of original draft file */ char *p; /* string pointer for building file name */ @@ -94,50 +92,29 @@ sendsbr(char **vec, int vecp, char *drft, struct stat *st, original_draft = drft; /* - ** There might be attachments if a header field name for - ** attachments is supplied. Convert the draft to a MIME message. + ** 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; - if (attachment_header_field_name != NULL) { - switch (attach(attachment_header_field_name, drft, - attachformat)) { - case OK: - drft = composition_file_name; - break; - - case NOTOK: - return (NOTOK); + case NOTOK: + return (NOTOK); - case DONE: - break; - } + case DONE: + break; } done=armed_done; switch (setjmp(env)) { case OK: - /* - ** If given -push and -unique (which is undocumented), then - ** rename the draft file. I'm not quite sure why. - */ - if (pushsw && unique) { - char *cp = m_mktemp2(drft, invo_name, NULL, NULL); - if (cp == NULL) { - adios("sendsbr", "unable to create temporary file"); - } - if (rename(drft, strncpy(file, cp, sizeof(file))) - == NOTOK) - adios(file, "unable to rename %s to", drft); - drft = file; - } - status = sendaux(vec, vecp, drft, st) ? NOTOK : OK; - /* rename the original draft */ if (rename_drft && status == OK && rename(original_draft, strncpy(buffer, @@ -188,20 +165,17 @@ sendsbr(char **vec, int vecp, char *drft, struct stat *st, } static int -attach(char *attachment_header_field_name, char *draft_file_name, - int attachformat) +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. - */ - + /* 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); @@ -210,53 +184,60 @@ attach(char *attachment_header_field_name, char *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 a header field name that matches the - ** -attach argument. The existence of one indicates that the + ** 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(attachment_header_field_name); + length = strlen(attach_hdr); has_attachment = 0; while (get_line() != EOF && *field != '\0' && *field != '-') - if (strncasecmp(field, attachment_header_field_name, length) - == 0 && field[length] == ':') + if (strncasecmp(field, attach_hdr, length) == 0 && + field[length] == ':') has_attachment = 1; - if (has_attachment == 0) - return (DONE); - /* ** We have at least one attachment. 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; - break; + } + if (*p > 127 || *p < 0) { + non_ascii = 1; } } - - if (has_body) + if (has_body && non_ascii) break; } /* - ** Make names for the temporary files. + ** 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)); @@ -280,24 +261,19 @@ attach(char *attachment_header_field_name, char *draft_file_name, ** non-attachment header fields to the temporary composition file. ** Then add the dashed line separator. */ - rewind(draft_file); - while (get_line() != EOF && *field != '\0' && *field != '-') - if (strncasecmp(field, attachment_header_field_name, length) - != 0 || field[length] != ':') + if (strncasecmp(field, attach_hdr, length) != 0 || + field[length] != ':') fprintf(composition_file, "%s\n", field); - fputs("--------\n", composition_file); /* ** Copy the message body to a temporary file. */ - if (has_body) { while ((c = getc(draft_file)) != EOF) putc(c, body_file); - fclose(body_file); } @@ -305,26 +281,30 @@ attach(char *attachment_header_field_name, char *draft_file_name, ** Add a mhbuild MIME composition file line for the body if ** there was one. */ - - if (has_body) - make_mime_composition_file_entry(body_file_name, attachformat); + if (has_body) { + /* old: make_mime_composition_file_entry(body_file_name); */ + /* 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 != '\0' && *field != '-') { - if (strncasecmp(field, attachment_header_field_name, length) - == 0 && field[length] == ':') { - for (p = field + length + 1; *p == ' ' || *p == '\t'; - p++) - ; - - make_mime_composition_file_entry(p, attachformat); + 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); + } } } @@ -334,7 +314,6 @@ attach(char *attachment_header_field_name, char *draft_file_name, ** 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) { @@ -389,16 +368,14 @@ get_line(void) } static void -make_mime_composition_file_entry(char *file_name, int attachformat) +make_mime_composition_file_entry(char *file_name) { int binary; /* binary character found flag */ int c; /* current character */ - char cmd[MAXPATHLEN + 6]; /* file command buffer */ char *content_type; /* mime content type */ FILE *fp; /* content and pipe file pointer */ struct node *np; /* context scan node pointer */ char *p; /* miscellaneous string pointer */ - struct stat st; /* file status buffer */ content_type = NULL; @@ -459,110 +436,33 @@ make_mime_composition_file_entry(char *file_name, int attachformat) ** (if possible) by running the "file" command on the file. */ - if (stat(file_name, &st) == -1 || access(file_name, R_OK) != 0) { + if (access(file_name, R_OK) != 0) { clean_up_temporary_files(); adios(NULL, "unable to access file \"%s\"", file_name); } - switch (attachformat) { - case 0: - /* Insert name, file mode, and Content-Id. */ - fprintf(composition_file, - "#%s; name=\"%s\"; x-unix-mode=0%.3ho", - content_type, ((p = strrchr(file_name, '/')) - == NULL) ? file_name : p + 1, - (unsigned short)(st.st_mode & 0777)); - - if (strlen(file_name) > MAXPATHLEN) { - clean_up_temporary_files(); - adios(NULL, "attachment file name `%s' too long.", - file_name); - } - - sprintf(cmd, "file '%s'", file_name); - - if ((fp = popen(cmd, "r")) != (FILE *)0 && - fgets(cmd, sizeof (cmd), fp) != NULL) { - *strchr(cmd, '\n') = '\0'; - - /* - ** The output of the "file" command is of the form - ** - ** file: description - ** - ** Strip off the "file:" and subsequent white space. - */ - - for (p = cmd; *p != '\0'; p++) { - if (*p == ':') { - for (p++; *p != '\0'; p++) { - if (*p != '\t') - break; - } - break; - } - } - - if (*p != '\0') - /* Insert Content-Description. */ - fprintf(composition_file, " [ %s ]", p); - - pclose(fp); - } - - break; - case 1: - if (stringdex(toabsdir(invo_name), file_name) == 0) { - /* - ** Content had been placed by send into a temp file. - ** Don't generate Content-Disposition header, because - ** it confuses Microsoft Outlook, Build 10.0.6626, at - ** least. - */ - fprintf(composition_file, "#%s <>", content_type); - } else { - /* - ** Suppress Content-Id, insert simple - ** Content-Disposition. - */ - fprintf(composition_file, - "#%s; name=\"%s\" <>{attachment}", - content_type, - ((p = strrchr(file_name, '/')) == NULL) ? - file_name : p + 1); - } - - break; - case 2: - if (stringdex(toabsdir(invo_name), file_name) == 0) { - /* - ** Content had been placed by send into a temp file. - ** Don't generate Content-Disposition header, because - ** it confuses Microsoft Outlook, Build 10.0.6626, at - ** least. - */ - fprintf(composition_file, "#%s <>", content_type); - } else { - /* - ** Suppress Content-Id, insert Content-Disposition - ** with modification date. - */ - fprintf(composition_file, - "#%s; name=\"%s\" <>{attachment; modification-date=\"%s\"}", - content_type, - ((p = strrchr(file_name, '/')) == NULL) ? - file_name : p + 1, dtime(&st.st_mtime, 0)); - } - break; - default: - adios(NULL, "unsupported attachformat %d", attachformat); + if (stringdex(toabsdir(invo_name), file_name) == 0) { + /* + ** Content had been placed by send into a temp file. + ** Don't generate Content-Disposition header, because + ** it confuses Microsoft Outlook, Build 10.0.6626, at + ** least. + */ + fprintf(composition_file, "#%s <>", content_type); + } else { + /* + ** Suppress Content-Id, insert simple + ** Content-Disposition. + */ + fprintf(composition_file, + "#%s; name=\"%s\" <>{attachment}", + content_type, + ((p = strrchr(file_name, '/')) == NULL) ? + file_name : p + 1); } - /* - ** Finish up with the file name. - */ - + /* Finish up with the file name. */ fprintf(composition_file, " %s\n", file_name); return; @@ -597,7 +497,7 @@ sendaux(char **vec, int vecp, char *drft, struct stat *st) done(1); vec[vecp] = NULL; - for (i = 0; (child_id = vfork()) == NOTOK && i < 5; i++) + for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++) sleep(5); switch (child_id) {