Broke out MIME attachment functionality into a separate program (ATTACHER)

This commit is contained in:
Bobbi Webber-Manners 2020-07-28 17:14:43 -04:00
parent 0b5150cf3b
commit bdfa35db41
8 changed files with 372 additions and 133 deletions

View File

@ -45,7 +45,7 @@ TCP =\
tweet65 \
pop65-slow
bin: wget65.bin pop65.bin smtp65.bin email.bin rebuild.bin edit.bin
bin: wget65.bin pop65.bin smtp65.bin email.bin rebuild.bin edit.bin attacher.bin
wget65.bin: w5100.c w5100_http.c linenoise.c
wget65.bin: IP65LIB = ../ip65/ip65.lib
@ -135,27 +135,29 @@ ip65.d64: prg
ip65.dsk: bin
cp ../build/800k.po $@
java -jar $(AC) -as $@ date65 < date65.bin
java -jar $(AC) -p $@ date65.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ edit < edit.bin
java -jar $(AC) -p $@ edit.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ email < email.bin
java -jar $(AC) -p $@ email.cfg txt < email.cfg
java -jar $(AC) -p $@ email.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ hfs65 < hfs65.bin
java -jar $(AC) -p $@ hfs65.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ pop65 < pop65.bin
java -jar $(AC) -p $@ pop65.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ rebuild < rebuild.bin
java -jar $(AC) -p $@ rebuild.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ smtp65 < smtp65.bin
java -jar $(AC) -p $@ smtp65.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ telnet65 < telnet65.bin
java -jar $(AC) -as $@ tweet65 < tweet65.bin
java -jar $(AC) -p $@ tweet65.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -p $@ tzone.txt txt < tzone.txt
java -jar $(AC) -as $@ wget65 < wget65.bin
java -jar $(AC) -p $@ wget65.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ attacher < attacher.bin
java -jar $(AC) -p $@ attacher.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ date65 < date65.bin
java -jar $(AC) -p $@ date65.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ edit < edit.bin
java -jar $(AC) -p $@ edit.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ email < email.bin
java -jar $(AC) -p $@ email.cfg txt < email.cfg
java -jar $(AC) -p $@ email.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ hfs65 < hfs65.bin
java -jar $(AC) -p $@ hfs65.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ pop65 < pop65.bin
java -jar $(AC) -p $@ pop65.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ rebuild < rebuild.bin
java -jar $(AC) -p $@ rebuild.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ smtp65 < smtp65.bin
java -jar $(AC) -p $@ smtp65.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -as $@ telnet65 < telnet65.bin
java -jar $(AC) -as $@ tweet65 < tweet65.bin
java -jar $(AC) -p $@ tweet65.system sys < $(CC65)/apple2enh/util/loader.system
java -jar $(AC) -p $@ tzone.txt txt < tzone.txt
java -jar $(AC) -as $@ wget65 < wget65.bin
java -jar $(AC) -p $@ wget65.system sys < $(CC65)/apple2enh/util/loader.system
ip65.atr: com
mkdir atr

327
apps/attacher.c Normal file
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@ -0,0 +1,327 @@
/////////////////////////////////////////////////////////////////////////////
// Handle attaching files to outgoing messages
// Bobbi July 2020
/////////////////////////////////////////////////////////////////////////////
#include <conio.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include "email_common.h"
#define BELL 0x07
#define BACKSPACE 0x08
#define RETURN 0x0d
#define NORMAL 0x0e
#define INVERSE 0x0f
#define DELETE 0x7f
#define NETBUFSZ 1500
#define LINEBUFSZ 1000 // According to RFC2822 Section 2.1.1 (998+CRLF)
#define READSZ 1024 // Must be less than NETBUFSZ to fit in buf[]
static unsigned char buf[NETBUFSZ+1]; // One extra byte for null terminator
static char linebuf[LINEBUFSZ];
static char userentry[80];
static uint8_t quit_to_email; // If 1, launch EMAIL.SYSTEM on quit
static char filename[80];
#define ERR_NONFATAL 0
#define ERR_FATAL 1
/*
* Show error messages
*/
void error(uint8_t fatal, const char *fmt, ...) {
va_list v;
if (fatal) {
videomode(VIDEOMODE_80COL);
clrscr();
printf("\n\n%cFATAL ERROR:%c\n\n", INVERSE, NORMAL);
va_start(v, fmt);
vprintf(fmt, v);
va_end(v);
printf("\n\n\n\n[Press Any Key To Quit]");
cgetc();
exit(1);
} else {
va_start(v, fmt);
vprintf(fmt, v);
va_end(v);
printf(" - [Press Any Key]");
cgetc();
}
}
/*
* Spinner while encoding attachments
*/
void spinner(uint32_t sz, uint8_t final) {
static char chars[] = "|/-\\";
static char buf[10] = "";
static uint8_t i = 0;
uint8_t j;
for (j = 0; j < strlen(buf); ++j)
putchar(BACKSPACE);
if (final) {
sprintf(buf, " [%lu]\n", sz);
printf("%s", buf);
strcpy(buf, "");
}
else {
sprintf(buf, "%c %lu", chars[(i++) % 4], sz);
printf("%s", buf);
}
}
/*
* Read parms from EMAIL.CFG
*/
void readconfigfile(void) {
FILE *fp = fopen("EMAIL.CFG", "r");
if (!fp)
error(ERR_FATAL, "Can't open config file EMAIL.CFG");
fscanf(fp, "%s", cfg_server);
fscanf(fp, "%s", cfg_user);
fscanf(fp, "%s", cfg_pass);
fscanf(fp, "%s", cfg_pop_delete);
fscanf(fp, "%s", cfg_smtp_server);
fscanf(fp, "%s", cfg_smtp_domain);
fscanf(fp, "%s", cfg_instdir);
fscanf(fp, "%s", cfg_emaildir);
fscanf(fp, "%s", cfg_emailaddr);
fclose(fp);
}
/*
* Read a text file a line at a time leaving the line in linebuf[]
* Returns number of chars in the line, or -1 if EOF.
* Expects Apple ][ style line endings (CR) and does no conversion
* fp - file to read from
* reset - if 1 then just reset the buffer and return
*/
int16_t get_line(FILE *fp, uint8_t reset) {
static uint16_t rd = 0; // Read
static uint16_t wt = 0; // Write
uint8_t found = 0;
uint16_t j = 0;
uint16_t i;
if (reset) {
rd = wt = 0;
return 0;
}
while (1) {
while (rd < wt) {
linebuf[j++] = buf[rd++];
if (linebuf[j - 1] == '\r') {
found = 1;
break;
}
}
linebuf[j] = '\0';
if (rd == wt) // Empty buf
rd = wt = 0;
if (found) {
return j;
}
if (feof(fp)) {
return -1;
}
i = fread(&buf[wt], 1, READSZ - wt, fp);
wt += i;
}
}
/*
* Base64 encode table
*/
static const char b64enc[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
/*
* Encode Base64 format
* p - Pointer to source buffer
* q - Pointer to destination buffer
* len - Length of buffer to encode
* Returns length of encoded data
*/
uint16_t encode_base64(char *p, char *q, uint16_t len) {
uint16_t j = 0;
uint16_t i, ii;
for (i = 0; i < len / 3; ++i) {
ii = 3 * i;
q[j++] = b64enc[(p[ii] & 0xfc) >> 2];
q[j++] = b64enc[((p[ii] & 0x03) << 4) | ((p[ii + 1] & 0xf0) >> 4)];
q[j++] = b64enc[((p[ii + 1] & 0x0f) << 2) | ((p[ii + 2] & 0xc0) >> 6)];
q[j++] = b64enc[(p[ii + 2] & 0x3f)];
if (((i + 1) % 18) == 0)
q[j++] = '\r';
}
ii += 3;
i = len - ii; // Bytes remaining to encode
switch (i) {
case 1:
q[j++] = b64enc[(p[ii] & 0xfc) >> 2];
q[j++] = b64enc[(p[ii] & 0x03) << 4];
q[j++] = '=';
q[j++] = '=';
break;
case 2:
q[j++] = b64enc[(p[ii] & 0xfc) >> 2];
q[j++] = b64enc[((p[ii] & 0x03) << 4) | ((p[ii + 1] & 0xf0) >> 4)];
q[j++] = b64enc[(p[ii + 1] & 0x0f) << 2];
q[j++] = '=';
break;
}
q[j] = '\0';
return j;
}
/*
* Prompt for a name, store it in userentry
* Returns number of chars read.
* prompt - Message to display before > prompt
* is_file - if 1, restrict chars to those allowed in ProDOS filename
* Returns number of chars read
*/
uint8_t prompt_for_name(char *prompt, uint8_t is_file) {
uint16_t i;
char c;
printf("%s>", prompt);
i = 0;
while (1) {
c = cgetc();
if (is_file && !isalnum(c) &&
(c != RETURN) && (c != BACKSPACE) && (c != DELETE) &&
(c != '.') && (c != '/')) {
putchar(BELL);
continue;
}
switch (c) {
case RETURN:
goto done;
case BACKSPACE:
case DELETE:
if (i > 0) {
putchar(BACKSPACE);
putchar(' ');
putchar(BACKSPACE);
--i;
} else
putchar(BELL);
break;
default:
putchar(c);
userentry[i++] = c;
}
if (i == 79)
goto done;
}
done:
userentry[i] = '\0';
return i;
}
/*
* Optionally attach files to outgoing email.
* filename - Name of file containing email message
*/
void attach(char *fname) {
FILE *fp, *fp2, *destfp;
uint16_t chars, i, size;
videomode(VIDEOMODE_80COL);
printf("%c%s ATTACHER%c\n\n", 0x0f, PROGNAME, 0x0e);
fp = fopen(fname, "rb+");
if (!fp)
error(ERR_FATAL, "Can't open %s", fname);
sprintf(filename, "%s/OUTBOX/TMPFILE", cfg_emaildir);
destfp = fopen(filename, "wb");
if (!destfp)
error(ERR_FATAL, "Can't open TMPFILE");
get_line(fp, 1); // Reset buffer
printf("Copying email content ... "); // Space is for spinner to eat
size = 0;
while ((chars = get_line(fp, 0)) != -1) {
size += chars;
if (linebuf[0] == '\r')
break;
fputs(linebuf, destfp);
spinner(size, 0);
}
fprintf(destfp, "MIME-Version: 1.0\r");
fprintf(destfp, "Content-Type: multipart/mixed; boundary=a2forever\r\r");
fprintf(destfp, "This is a multi-part message in MIME format.\r");
fprintf(destfp, "--a2forever\r");
fprintf(destfp, "Content-Type: text/plain; charset=US-ASCII\r");
fprintf(destfp, "Content-Transfer-Encoding: 7bit\r\r");
while ((chars = get_line(fp, 0)) != -1) {
size += chars;
fputs(linebuf, destfp);
spinner(size, 0);
}
spinner(size, 1);
printf("\rEnter the filename or filenames to attach to the email.\n");
printf("An empty entry means you are done attaching files.\n\n");
while (prompt_for_name("File to attach", 1)) {
fp2 = fopen(userentry, "rb");
if (!fp2) {
error(ERR_NONFATAL, "Can't open %s", userentry);
continue;
}
fprintf(destfp, "\r--a2forever\r");
fprintf(destfp, "Content-Type: application/octet-stream\r");
fprintf(destfp, "Content-Transfer-Encoding: base64\r");
// TODO: filename should be just the basename in the following line
fprintf(destfp, "Content-Disposition: attachment; filename=%s;\r\r", userentry);
printf("\r "); // Space is for spinner to eat
size = 0;
do {
i = fread(buf, 1, 72 * 3 / 4 * 5, fp2); // Multiple of 72*3/4 bytes
size += i;
if (i == 0)
break;
i = encode_base64(buf, buf + READSZ / 2, i);
i = fwrite(buf + READSZ / 2, 1, i, destfp);
spinner(size, 0);
} while (!feof(fp2));
fclose(fp2);
spinner(size, 1);
}
fprintf(destfp, "\r--a2forever--\r");
fclose(fp);
fclose(destfp);
if (unlink(fname))
error(ERR_FATAL, "Can't delete %s", fname);
if (rename(filename, fname))
error(ERR_FATAL, "Can't rename %s to %s", filename, fname);
}
/*
* Load EMAIL.SYSTEM to $2000 and jump to it
* (This code is in language card space so it can't possibly be trashed)
*/
#pragma code-name (push, "LC")
void load_email(void) {
revers(0);
clrscr();
exec("EMAIL.SYSTEM", NULL); // Assume it is in current directory
}
#pragma code-name (pop)
void main(int argc, char *argv[]) {
readconfigfile();
if (argc == 2) {
quit_to_email = 1;
attach(argv[1]);
} else
error(ERR_FATAL, "No email file specified");
if (quit_to_email)
load_email();
}

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@ -13,6 +13,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <conio.h>
@ -40,9 +41,6 @@
#define CLREOL 0x1d
#define DELETE 0x7f
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
#define BUFSZ (20 * 1024)
char gapbuf[BUFSZ];
char padding = 0; // To null terminate for strstr()
@ -878,6 +876,18 @@ void load_email(void) {
}
#pragma code-name (pop)
/*
* Load ATTACHER.SYSTEM to $2000 and jump to it
* (This code is in language card space so it can't possibly be trashed)
*/
#pragma code-name (push, "LC")
void load_attacher(void) {
revers(0);
clrscr();
exec("ATTACHER.SYSTEM", filename); // Assume it is in current directory
}
#pragma code-name (pop)
/*
* Save file to disk, handle user interface
*/
@ -1123,6 +1133,8 @@ int edit(char *fname) {
if (modified)
save();
if (quit_to_email) {
if (prompt_okay("Add attachments - "))
load_attacher();
if (prompt_okay("Quit to EMAIL - "))
load_email();
} else {

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@ -4,7 +4,6 @@
// Bobbi June, July 2020
/////////////////////////////////////////////////////////////////
// - TODO: Feature to attach files to outgoing messages
// - TODO: Get rid of all uses of malloc(). Don't need it.
#include <stdio.h>
@ -604,51 +603,6 @@ uint16_t decode_base64(char *p) {
return j;
}
/*
* Base64 encode table
*/
static const char b64enc[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
/*
* Encode Base64 format
* p - Pointer to source buffer
* q - Pointer to destination buffer
* len - Length of buffer to encode
* Returns length of encoded data
*/
uint16_t encode_base64(char *p, char *q, uint16_t len) {
uint16_t j = 0;
uint16_t i, ii;
for (i = 0; i < len / 3; ++i) {
ii = 3 * i;
q[j++] = b64enc[(p[ii] & 0xfc) >> 2];
q[j++] = b64enc[((p[ii] & 0x03) << 4) | ((p[ii + 1] & 0xf0) >> 4)];
q[j++] = b64enc[((p[ii + 1] & 0x0f) << 2) | ((p[ii + 2] & 0xc0) >> 6)];
q[j++] = b64enc[(p[ii + 2] & 0x3f)];
if (((i + 1) % 18) == 0)
q[j++] = '\r';
}
ii += 3;
i = len - ii; // Bytes remaining to encode
switch (i) {
case 1:
q[j++] = b64enc[(p[ii] & 0xfc) >> 2];
q[j++] = b64enc[(p[ii] & 0x03) << 4];
q[j++] = '=';
q[j++] = '=';
break;
case 2:
q[j++] = b64enc[(p[ii] & 0xfc) >> 2];
q[j++] = b64enc[((p[ii] & 0x03) << 4) | ((p[ii + 1] & 0xf0) >> 4)];
q[j++] = b64enc[(p[ii + 1] & 0x0f) << 2];
q[j++] = '=';
break;
}
q[j] = '\0';
return j;
}
/*
* Print line up to first '\r' or '\0'
*/
@ -1386,8 +1340,7 @@ uint8_t write_email_headers(FILE *fp1, FILE *fp2, struct emailhdrs *h,
prompt_for_name("cc", 0);
if (strlen(userentry) > 0)
fprintf(fp2, "cc: %s\r", userentry);
fprintf(fp2, "X-Mailer: %s - Apple II Forever!\r", PROGNAME);
fprintf(fp2, "MIME-Version: 1.0\r\r");
fprintf(fp2, "X-Mailer: %s - Apple II Forever!\r\r", PROGNAME);
if (mode == 'R') {
truncate_header(h->date, buf, 40);
fprintf(fp2, "On %s, ", buf);
@ -1617,47 +1570,6 @@ err:
return 1;
}
/*
* Optionally attach files to outgoing email.
* Expects the name of the email file in filename[]
*/
void attach_files(void) {
FILE *fp2;
uint16_t i;
if (prompt_okay("Attach file(s) - ")) {
fp = fopen(filename, "ab");
if (!fp) {
error(ERR_NONFATAL, "Can't open %s", filename);
return;
}
while (prompt_for_name("File to attach", 1)) {
fp2 = fopen(userentry, "rb");
if (!fp2) {
error(ERR_NONFATAL, "Can't open %s", userentry);
continue;
}
fprintf(fp, "--a2forever\r");
fprintf(fp, "Content-Type: application/octet-stream\r");
fprintf(fp, "Content-Transfer-Encoding: base64\r");
// TODO: filename should be just the basename in the following line
fprintf(fp, "Content-Disposition: attachment; filename=%s;\r\r", userentry);
do {
i = fread(buf, 1, 72 * 3 / 4 * 5, fp2); // Multiple of 72*3/4 bytes
if (i == 0)
break;
//printf("Read %d bytes\n", i);
i = encode_base64(buf, buf + READSZ / 2, i);
//printf("Encoded to %d bytes\n", i);
i = fwrite(buf + READSZ / 2, 1, i, fp);
//printf("Wrote %d bytes\n", i);
} while (!feof(fp2));
fclose(fp2);
}
}
fprintf(fp, "\r--a2forever--\r");
fclose(fp);
}
/*
* Create a blank outgoing message and put it in OUTBOX.
* OUTBOX is not a 'proper' mailbox (no EMAIL.DB)
@ -1693,22 +1605,13 @@ void create_blank_outgoing() {
prompt_for_name("cc", 0);
if (strlen(userentry) > 0)
fprintf(fp, "cc: %s\r", userentry);
fprintf(fp, "X-Mailer: %s - Apple II Forever!\r", PROGNAME);
fprintf(fp, "MIME-Version: 1.0\r");
fprintf(fp, "Content-Type: multipart/mixed; boundary=a2forever\r\r");
fprintf(fp, "This is a multi-part message in MIME format.\r");
fprintf(fp, "--a2forever\r");
fprintf(fp, "Content-Type: text/plain\r\r");
fprintf(fp, "< insert email body here >\r");
fprintf(fp, "X-Mailer: %s - Apple II Forever!\r\r", PROGNAME);
fclose(fp);
// Update dest/NEXT.EMAIL, incrementing count by 1
if (update_next_email("OUTBOX", num + 1))
return;
sprintf(filename, "%s/OUTBOX/EMAIL.%u", cfg_emaildir, num);
attach_files();
sprintf(filename, "Open %s/OUTBOX/EMAIL.%u in editor - ", cfg_emaildir, num);
if (prompt_okay(filename)) {
sprintf(filename, "%s/OUTBOX/EMAIL.%u", cfg_emaildir, num);

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@ -5,6 +5,6 @@ NODELETE
192.168.10.2
apple2.local
/IP65
/H1/EMAIL
/DATA/EMAIL
bobbi.8bit@gmail.com

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@ -4,7 +4,7 @@
// Bobbi June 2020
/////////////////////////////////////////////////////////////////
#define PROGNAME "emai//er v0.85"
#define PROGNAME "emai//er v0.90"
// Configuration params from POP65.CFG
char cfg_server[40]; // IP of POP3 server

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@ -456,8 +456,7 @@ void update_inbox(uint16_t nummsgs) {
copyheader(hdrs.subject, linebuf + 9, 79);
hdrs.subject[79] = '\0';
}
//if (linebuf[0] == '\r') {
if (strlen(linebuf) < 10) {
if (linebuf[0] == '\r') {
headers = 0;
hdrs.skipbytes = headerchars;
}

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@ -10,15 +10,11 @@
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <string.h>
#include <dirent.h>
#include <apple2_filetype.h>
typedef unsigned long uint32_t;
typedef unsigned int uint16_t;
typedef unsigned char uint8_t;
typedef int int16_t;
#include "email_common.h"
#define NETBUFSZ 1500+4 // 4 extra bytes for overlap between packets