/*---------------------------------------------------------------------- Read whole file into memory Args: filename -- path name of file to read Result: Returns pointer to malloced memory with the contents of the file or NULL This won't work very well if the file has NULLs in it. ----*/ char * read_file(char *filename, int so_get_flags) { STORE_S *in_file = NULL, *out_store = NULL; unsigned char c; char *return_text = NULL; if((in_file = so_get(FileStar, filename, so_get_flags | READ_ACCESS))){ if(!(out_store = so_get(CharStar, NULL, EDIT_ACCESS))){ so_give(&in_file); return NULL; } /* * We're just using the READ_FROM_LOCALE flag to translate * to UTF-8. */ while(so_readc(&c, in_file)) so_writec(c, out_store); if(in_file) so_give(&in_file); if(out_store){ return_text = (char *) so_text(out_store); /* avoid freeing this */ if(out_store->txt) out_store->txt = NULL; so_give(&out_store); } } return(return_text); }
/*---------------------------------------------------------------------- Handle fetching and filtering a text message segment to be displayed by scrolltool or printed or exported or piped. Args: att -- segment to fetch msgno -- message number segment is a part of pc -- function to write characters from segment with style -- Indicates special handling for error messages flags -- Indicates special necessary handling Returns: 1 if errors encountered, 0 if everything went A-OK ----*/ int decode_text(ATTACH_S *att, long int msgno, gf_io_t pc, HANDLE_S **handlesp, DetachErrStyle style, int flags) { FILTLIST_S filters[14]; char *err, *charset; int filtcnt = 0, error_found = 0, column, wrapit; int is_in_sig = OUT_SIG_BLOCK; int is_flowed_msg = 0, add_me = 1, doraw = RAWSTRING; int is_delsp_yes = 0; int filt_only_c0 = 0; char *parmval; char *free_this = NULL; STORE_S *warn_so = NULL; DELQ_S dq; URL_HILITE_S uh; column = (flags & FM_DISPLAY) ? ps_global->ttyo->screen_cols : 80; if(!(flags & FM_DISPLAY)) flags |= FM_NOINDENT; wrapit = column; memset(filters, 0, sizeof(filters)); /* charset the body part is in */ charset = parameter_val(att->body->parameter, "charset"); /* determined if it's flowed, affects wrapping and quote coloring */ if(att->body->type == TYPETEXT && !strucmp(att->body->subtype, "plain") && (parmval = parameter_val(att->body->parameter, "format"))){ if(!strucmp(parmval, "flowed")) is_flowed_msg = 1; fs_give((void **) &parmval); if(is_flowed_msg){ if((parmval = parameter_val(att->body->parameter, "delsp")) != NULL){ if(!strucmp(parmval, "yes")) is_delsp_yes = 1; fs_give((void **) &parmval); } } } if(!ps_global->pass_ctrl_chars){ filters[filtcnt++].filter = gf_escape_filter; filters[filtcnt].filter = gf_control_filter; filt_only_c0 = 1; filters[filtcnt++].data = gf_control_filter_opt(&filt_only_c0); } if(flags & FM_DISPLAY) filters[filtcnt++].filter = gf_tag_filter; /* * if it's just plain old text, look for url's */ if(!(att->body->subtype && strucmp(att->body->subtype, "plain"))){ struct variable *vars = ps_global->vars; if((F_ON(F_VIEW_SEL_URL, ps_global) || F_ON(F_VIEW_SEL_URL_HOST, ps_global) || F_ON(F_SCAN_ADDR, ps_global)) && handlesp){ /* * The url_hilite filter really ought to come * after flowing, because flowing with the DelSp=yes parameter * can reassemble broken urls back into identifiable urls. * We add the preflow filter to do only the reassembly part * of the flowing so that we can spot the urls. * At this time (2005-03-29) we know that Apple Mail does * send mail like this sometimes. This filter removes the * sequence SP CRLF if that seems safe. */ if(ps_global->full_header != 2 && is_delsp_yes) filters[filtcnt++].filter = gf_preflow; filters[filtcnt].filter = gf_line_test; filters[filtcnt++].data = gf_line_test_opt(url_hilite, gf_url_hilite_opt(&uh,handlesp,0)); } if((flags & FM_DISPLAY) && !(flags & FM_NOCOLOR) && pico_usingcolor() && VAR_SPECIAL_TEXT_FORE_COLOR && VAR_SPECIAL_TEXT_BACK_COLOR){ filters[filtcnt].filter = gf_line_test; filters[filtcnt++].data = gf_line_test_opt(color_this_text, NULL); } /* * First, paint the signature. * Disclaimers noted below for coloring quotes apply here as well. */ if((flags & FM_DISPLAY) && !(flags & FM_NOCOLOR) && pico_usingcolor() && VAR_SIGNATURE_FORE_COLOR && VAR_SIGNATURE_BACK_COLOR){ filters[filtcnt].filter = gf_quote_test; filters[filtcnt++].data = gf_line_test_opt(color_signature, &is_in_sig); } /* * Gotta be careful with this. The color_a_quote filter adds color * to the beginning and end of the line. This will break some * line_test-style filters which come after it. For example, if they * are looking for something at the start of a line (like color_a_quote * itself). I guess we could fix that by ignoring tags at the * beginning of the line when doing the search. */ if((flags & FM_DISPLAY) && !(flags & FM_NOCOLOR) && pico_usingcolor() && VAR_QUOTE1_FORE_COLOR && VAR_QUOTE1_BACK_COLOR){ add_me = 0; filters[filtcnt].filter = gf_quote_test; filters[filtcnt++].data = gf_line_test_opt(color_a_quote, &is_flowed_msg); } } else if(!strucmp(att->body->subtype, "richtext")){ int plain_opt; plain_opt = !(flags&FM_DISPLAY); /* maybe strip everything! */ filters[filtcnt].filter = gf_rich2plain; filters[filtcnt++].data = gf_rich2plain_opt(&plain_opt); /* width to use for file or printer */ if(wrapit - 5 > 0) wrapit -= 5; } else if(!strucmp(att->body->subtype, "enriched")){ int plain_opt; plain_opt = !(flags&FM_DISPLAY); filters[filtcnt].filter = gf_enriched2plain; filters[filtcnt++].data = gf_enriched2plain_opt(&plain_opt); /* width to use for file or printer */ if(wrapit - 5 > 0) wrapit -= 5; } else if(!strucmp(att->body->subtype, "html") && ps_global->full_header < 2){ /*BUG: sniff the params for "version=2.0" ala draft-ietf-html-spec-01 */ int opts = 0; clear_html_risk(); if(flags & FM_DISPLAY){ gf_io_t warn_pc; if(handlesp){ /* pass on handles awareness */ opts |= GFHP_HANDLES; if(F_OFF(F_QUELL_HOST_AFTER_URL, ps_global) && !(flags & FM_HIDESERVER)) opts |= GFHP_SHOW_SERVER; } if(!(flags & FM_NOEDITORIAL)){ warn_so = so_get(CharStar, NULL, EDIT_ACCESS); gf_set_so_writec(&warn_pc, warn_so); format_editorial(HTML_WARNING, column, flags, handlesp, warn_pc); gf_clear_so_writec(warn_so); so_puts(warn_so, "\015\012"); so_writec('\0', warn_so); } } else opts |= GFHP_STRIPPED; /* don't embed anything! */ if(flags & FM_NOHTMLREL) opts |= GFHP_NO_RELATIVE; if(flags & FM_HTMLRELATED) opts |= GFHP_RELATED_CONTENT; if(flags & FM_HTML) opts |= GFHP_HTML; if(flags & FM_HTMLIMAGES) opts |= GFHP_HTML_IMAGES; wrapit = 0; /* wrap already handled! */ filters[filtcnt].filter = gf_html2plain; filters[filtcnt++].data = gf_html2plain_opt(NULL, column, (flags & (FM_NOINDENT | FM_HTML)) ? 0 : format_view_margin(), handlesp, set_html_risk, opts); if(warn_so){ filters[filtcnt].filter = gf_prepend_editorial; filters[filtcnt++].data = gf_prepend_editorial_opt(get_html_risk, (char *) so_text(warn_so)); } } if (add_me){ filters[filtcnt].filter = gf_quote_test; filters[filtcnt++].data = gf_line_test_opt(select_quote, &doraw); } /* * If the message is not flowed, we do the quote suppression before * the wrapping, because the wrapping does not preserve the quote * characters at the beginnings of the lines in that case. * Otherwise, we defer until after the wrapping. * * Also, this is a good place to do quote-replacement on nonflowed * messages because no other filters depend on the "> ". * Quote-replacement is easier in the flowed case and occurs * automatically in the flowed wrapping filter. */ if(!is_flowed_msg && ps_global->full_header == 0 && !(att->body->subtype && strucmp(att->body->subtype, "plain")) && (flags & FM_DISPLAY)){ if(ps_global->quote_suppression_threshold != 0){ memset(&dq, 0, sizeof(dq)); dq.lines = ps_global->quote_suppression_threshold; dq.is_flowed = is_flowed_msg; dq.indent_length = 0; /* indent didn't happen yet */ dq.saved_line = &free_this; dq.handlesp = handlesp; dq.do_color = (!(flags & FM_NOCOLOR) && pico_usingcolor()); filters[filtcnt].filter = gf_quote_test; filters[filtcnt++].data = gf_line_test_opt(delete_quotes, &dq); } if(ps_global->VAR_QUOTE_REPLACE_STRING && F_ON(F_QUOTE_REPLACE_NOFLOW, ps_global)){ filters[filtcnt].filter = gf_line_test; filters[filtcnt++].data = gf_line_test_opt(replace_quotes, NULL); } } if(wrapit && !(flags & FM_NOWRAP)){ int wrapflags = (flags & FM_DISPLAY) ? (GFW_HANDLES|GFW_SOFTHYPHEN) : GFW_NONE; if(flags & FM_DISPLAY && !(flags & FM_NOCOLOR) && pico_usingcolor()) wrapflags |= GFW_USECOLOR; /* text/flowed (RFC 2646 + draft)? */ if(ps_global->full_header != 2 && is_flowed_msg){ wrapflags |= GFW_FLOWED; if(is_delsp_yes) wrapflags |= GFW_DELSP; } filters[filtcnt].filter = gf_wrap; filters[filtcnt++].data = gf_wrap_filter_opt(wrapit, column, (flags & FM_NOINDENT) ? 0 : format_view_margin(), 0, wrapflags); } /* * This has to come after wrapping has happened because the user tells * us how many quoted lines to display, and we want that number to be * the wrapped lines, not the pre-wrapped lines. We do it before the * wrapping if the message is not flowed, because the wrapping does not * preserve the quote characters at the beginnings of the lines in that * case. */ if(is_flowed_msg && ps_global->full_header == 0 && !(att->body->subtype && strucmp(att->body->subtype, "plain")) && (flags & FM_DISPLAY) && ps_global->quote_suppression_threshold != 0){ memset(&dq, 0, sizeof(dq)); dq.lines = ps_global->quote_suppression_threshold; dq.is_flowed = is_flowed_msg; dq.indent_length = (wrapit && !(flags & FM_NOWRAP) && !(flags & FM_NOINDENT)) ? format_view_margin()[0] : 0; dq.saved_line = &free_this; dq.handlesp = handlesp; dq.do_color = (!(flags & FM_NOCOLOR) && pico_usingcolor()); filters[filtcnt].filter = gf_quote_test; filters[filtcnt++].data = gf_line_test_opt(delete_quotes, &dq); } if(charset){ if(F_OFF(F_QUELL_CHARSET_WARNING, ps_global) && !(flags & FM_NOEDITORIAL)){ int rv = TRUE; CONV_TABLE *ct = NULL; /* * Need editorial if message charset is not ascii * and the display charset is not either the same * as the message charset or UTF-8. */ if(strucmp(charset, "us-ascii") && !((ps_global->display_charmap && !strucmp(charset, ps_global->display_charmap)) || !strucmp("UTF-8", ps_global->display_charmap))){ /* * This is probably overkill. We're just using this * conversion_table routine to get at the quality. */ if(ps_global->display_charmap) ct = conversion_table(charset, ps_global->display_charmap); rv = charset_editorial(charset, msgno, handlesp, flags, ct ? ct->quality : CV_NO_TRANSLATE_POSSIBLE, column, pc); } if(!rv) goto write_error; } fs_give((void **) &charset); } /* Format editorial comment about unknown encoding */ if(att->body->encoding > ENCQUOTEDPRINTABLE){ char buf[2048]; snprintf(buf, sizeof(buf), ENCODING_DISCLAIMER, body_encodings[att->body->encoding]); if(!(format_editorial(buf, column, flags, handlesp, pc) == NULL && gf_puts(NEWLINE, pc) && gf_puts(NEWLINE, pc))) goto write_error; } err = detach(ps_global->mail_stream, msgno, att->number, 0L, NULL, pc, filtcnt ? filters : NULL, 0); delete_unused_handles(handlesp); if(free_this) fs_give((void **) &free_this); if(warn_so) so_give(&warn_so); if(err) { error_found++; if(style == QStatus) { q_status_message1(SM_ORDER, 3, 4, "%.200s", err); } else if(style == InLine) { char buftmp[MAILTMPLEN]; snprintf(buftmp, sizeof(buftmp), "%s", att->body->description ? att->body->description : ""); snprintf(tmp_20k_buf, SIZEOF_20KBUF, "%s [Error: %s] %c%s%c%s%s", NEWLINE, err, att->body->description ? '\"' : ' ', att->body->description ? buftmp : "", att->body->description ? '\"' : ' ', NEWLINE, NEWLINE); if(!gf_puts(tmp_20k_buf, pc)) goto write_error; } } if(att->body->subtype && (!strucmp(att->body->subtype, "richtext") || !strucmp(att->body->subtype, "enriched")) && !(flags & FM_DISPLAY)){ if(!gf_puts(NEWLINE, pc) || !gf_puts(NEWLINE, pc)) goto write_error; } return(error_found); write_error: if(style == QStatus) q_status_message1(SM_ORDER, 3, 4, "Error writing message: %.200s", error_description(errno)); return(1); }
int rfc2231_output(STORE_S *so, char *attrib, char *value, char *specials, char *charset) { int i, line = 0, encode = 0, quote = 0; /* * scan for hibit first since encoding clue has to * come on first line if any parms are broken up... */ for(i = 0; value && value[i]; i++) if(value[i] & 0x80){ encode++; break; } for(i = 0; ; i++){ if(!(value && value[i]) || i > 80){ /* flush! */ if((line++ && !so_puts(so, ";\015\012 ")) || !so_puts(so, attrib)) return(0); if(value){ if(((value[i] || line > 1) /* more lines or already lines */ && !(so_writec('*', so) && so_puts(so, int2string(line - 1)))) || (encode && !so_writec('*', so)) || !so_writec('=', so) || (quote && !so_writec('\"', so)) || ((line == 1 && encode) && !(so_puts(so, charset ? charset : UNKNOWN_CHARSET) && so_puts(so, "''")))) return(0); while(i--){ if(*value & 0x80){ char tmp[3], *p; p = tmp; C2XPAIR(*value, p); *p = '\0'; if(!(so_writec('%', so) && so_puts(so, tmp))) return(0); } else if(((*value == '\\' || *value == '\"') && !so_writec('\\', so)) || !so_writec(*value, so)) return(0); value++; } if(quote && !so_writec('\"', so)) return(0); if(*value) /* more? */ i = quote = 0; /* reset! */ else return(1); /* done! */ } else return(1); } if(!quote && strchr(specials, value[i])) quote++; } }