--- /dev/null
+/*
+ * Text client functions for reading and writing of messages
+ *
+ * Copyright (c) 1987-2012 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include "sysdep.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <string.h>
+#include <signal.h>
+#include <errno.h>
+#include <limits.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+
+#ifdef HAVE_PTHREAD_H
+#include <pthread.h>
+#endif
+
+#include <stdarg.h>
+#include <libcitadel.h>
+#include "citadel.h"
+#include "citadel_ipc.h"
+#include "citadel_decls.h"
+#include "messages.h"
+#include "commands.h"
+#include "tuiconfig.h"
+#include "rooms.h"
+#ifndef HAVE_SNPRINTF
+#include "snprintf.h"
+#endif
+#include "screen.h"
+
+#define MAXWORDBUF SIZ
+#define NO_REPLY_TO "nobody ... xxxxxx"
+
+char reply_to[SIZ];
+char reply_subject[SIZ];
+char reply_references[SIZ];
+char reply_inreplyto[SIZ];
+
+struct cittext {
+ struct cittext *next;
+ char text[MAXWORDBUF];
+};
+
+void stty_ctdl(int cmd);
+int haschar(const char *st, int ch);
+int file_checksum(char *filename);
+void progress(CtdlIPC* ipc, unsigned long curr, unsigned long cmax);
+
+unsigned long *msg_arr = NULL;
+int msg_arr_size = 0;
+int num_msgs;
+extern char room_name[];
+extern char tempdir[];
+extern unsigned room_flags;
+extern unsigned room_flags2;
+extern int entmsg_ok;
+extern long highest_msg_read;
+extern char temp[];
+extern char temp2[];
+extern int screenwidth;
+extern int screenheight;
+extern long maxmsgnum;
+extern char is_mail;
+extern char is_aide;
+extern char is_room_aide;
+extern char fullname[];
+extern char axlevel;
+extern unsigned userflags;
+extern char sigcaught;
+extern char printcmd[];
+extern int rc_allow_attachments;
+extern int rc_display_message_numbers;
+extern int rc_force_mail_prompts;
+extern int editor_pid;
+extern CtdlIPC *ipc_for_signal_handlers; /* KLUDGE cover your eyes */
+int num_urls = 0;
+char urls[MAXURLS][SIZ];
+char imagecmd[SIZ];
+int has_images = 0; /* Current msg has images */
+struct parts *last_message_parts = NULL; /* Parts from last msg */
+
+
+
+void ka_sigcatch(int signum)
+{
+ alarm(S_KEEPALIVE);
+ signal(SIGALRM, ka_sigcatch);
+ CtdlIPCNoop(ipc_for_signal_handlers);
+}
+
+
+/*
+ * server keep-alive version of wait() (needed for external editor)
+ */
+pid_t ka_wait(int *kstatus)
+{
+ pid_t p;
+
+ alarm(S_KEEPALIVE);
+ signal(SIGALRM, ka_sigcatch);
+ do {
+ errno = 0;
+ p = wait(kstatus);
+ } while (errno == EINTR);
+ signal(SIGALRM, SIG_IGN);
+ alarm(0);
+ return (p);
+}
+
+
+/*
+ * version of system() that uses ka_wait()
+ */
+int ka_system(char *shc)
+{
+ pid_t childpid;
+ pid_t waitpid;
+ int retcode;
+
+ childpid = fork();
+ if (childpid < 0) {
+ color(BRIGHT_RED);
+ perror("Cannot fork");
+ color(DIM_WHITE);
+ return ((pid_t) childpid);
+ }
+
+ if (childpid == 0) {
+ execlp("/bin/sh", "sh", "-c", shc, NULL);
+ exit(127);
+ }
+
+ if (childpid > 0) {
+ do {
+ waitpid = ka_wait(&retcode);
+ } while (waitpid != childpid);
+ return (retcode);
+ }
+
+ return (-1);
+}
+
+
+
+/*
+ * add a newline to the buffer...
+ */
+void add_newline(struct cittext *textlist)
+{
+ struct cittext *ptr;
+
+ ptr = textlist;
+ while (ptr->next != NULL)
+ ptr = ptr->next;
+
+ while (ptr->text[strlen(ptr->text) - 1] == 32)
+ ptr->text[strlen(ptr->text) - 1] = 0;
+ /* strcat(ptr->text,"\n"); */
+
+ ptr->next = (struct cittext *)
+ malloc(sizeof(struct cittext));
+ ptr = ptr->next;
+ ptr->next = NULL;
+ strcpy(ptr->text, "");
+}
+
+
+/*
+ * add a word to the buffer...
+ */
+void add_word(struct cittext *textlist, char *wordbuf)
+{
+ struct cittext *ptr;
+
+ ptr = textlist;
+ while (ptr->next != NULL)
+ ptr = ptr->next;
+
+ if (3 + strlen(ptr->text) + strlen(wordbuf) > screenwidth) {
+ ptr->next = (struct cittext *)
+ malloc(sizeof(struct cittext));
+ ptr = ptr->next;
+ ptr->next = NULL;
+ strcpy(ptr->text, "");
+ }
+
+ strcat(ptr->text, wordbuf);
+ strcat(ptr->text, " ");
+}
+
+
+/*
+ * begin editing of an opened file pointed to by fp
+ */
+void citedit(FILE *fp)
+{
+ int a, prev, finished, b, last_space;
+ int appending = 0;
+ struct cittext *textlist = NULL;
+ struct cittext *ptr;
+ char wordbuf[MAXWORDBUF];
+ int rv = 0;
+
+ /* first, load the text into the buffer */
+ fseek(fp, 0L, 0);
+ textlist = (struct cittext *) malloc(sizeof(struct cittext));
+ textlist->next = NULL;
+ strcpy(textlist->text, "");
+
+ strcpy(wordbuf, "");
+ prev = (-1);
+ while (a = getc(fp), a >= 0) {
+ appending = 1;
+ if ((a == 32) || (a == 9) || (a == 13) || (a == 10)) {
+ add_word(textlist, wordbuf);
+ strcpy(wordbuf, "");
+ if ((prev == 13) || (prev == 10)) {
+ add_word(textlist, "\n");
+ add_newline(textlist);
+ add_word(textlist, "");
+ }
+ } else {
+ wordbuf[strlen(wordbuf) + 1] = 0;
+ wordbuf[strlen(wordbuf)] = a;
+ }
+ if (strlen(wordbuf) + 3 > screenwidth) {
+ add_word(textlist, wordbuf);
+ strcpy(wordbuf, "");
+ }
+ prev = a;
+ }
+
+ /* get text */
+ finished = 0;
+ prev = (appending ? 13 : (-1));
+ strcpy(wordbuf, "");
+ async_ka_start();
+ do {
+ a = inkey();
+ if (a == 10)
+ a = 13;
+ if (a == 9)
+ a = 32;
+ if (a == 127)
+ a = 8;
+
+ if ((a != 32) && (prev == 13)) {
+ add_word(textlist, "\n");
+ scr_printf(" ");
+ }
+
+ if ((a == 32) && (prev == 13)) {
+ add_word(textlist, "\n");
+ add_newline(textlist);
+ }
+
+ if (a == 8) {
+ if (!IsEmptyStr(wordbuf)) {
+ wordbuf[strlen(wordbuf) - 1] = 0;
+ scr_putc(8);
+ scr_putc(32);
+ scr_putc(8);
+ }
+ } else if (a == 23) {
+ do {
+ wordbuf[strlen(wordbuf) - 1] = 0;
+ scr_putc(8);
+ scr_putc(32);
+ scr_putc(8);
+ } while (!IsEmptyStr(wordbuf) && wordbuf[strlen(wordbuf) - 1] != ' ');
+ } else if (a == 13) {
+ scr_printf("\n");
+ if (IsEmptyStr(wordbuf))
+ finished = 1;
+ else {
+ for (b = 0; b < strlen(wordbuf); ++b)
+ if (wordbuf[b] == 32) {
+ wordbuf[b] = 0;
+ add_word(textlist,
+ wordbuf);
+ strcpy(wordbuf,
+ &wordbuf[b + 1]);
+ b = 0;
+ }
+ add_word(textlist, wordbuf);
+ strcpy(wordbuf, "");
+ }
+ } else {
+ scr_putc(a);
+ wordbuf[strlen(wordbuf) + 1] = 0;
+ wordbuf[strlen(wordbuf)] = a;
+ }
+ if ((strlen(wordbuf) + 3) > screenwidth) {
+ last_space = (-1);
+ for (b = 0; b < strlen(wordbuf); ++b)
+ if (wordbuf[b] == 32)
+ last_space = b;
+ if (last_space >= 0) {
+ for (b = 0; b < strlen(wordbuf); ++b)
+ if (wordbuf[b] == 32) {
+ wordbuf[b] = 0;
+ add_word(textlist,
+ wordbuf);
+ strcpy(wordbuf,
+ &wordbuf[b + 1]);
+ b = 0;
+ }
+ for (b = 0; b < strlen(wordbuf); ++b) {
+ scr_putc(8);
+ scr_putc(32);
+ scr_putc(8);
+ }
+ scr_printf("\n%s", wordbuf);
+ } else {
+ add_word(textlist, wordbuf);
+ strcpy(wordbuf, "");
+ scr_printf("\n");
+ }
+ }
+ prev = a;
+ } while (finished == 0);
+ async_ka_end();
+
+ /* write the buffer back to disk */
+ fseek(fp, 0L, 0);
+ for (ptr = textlist; ptr != NULL; ptr = ptr->next) {
+ fprintf(fp, "%s", ptr->text);
+ }
+ putc(10, fp);
+ fflush(fp);
+ rv = ftruncate(fileno(fp), ftell(fp));
+ if (rv < 0)
+ scr_printf("failed to set message buffer: %s\n", strerror(errno));
+
+
+ /* and deallocate the memory we used */
+ while (textlist != NULL) {
+ ptr = textlist->next;
+ free(textlist);
+ textlist = ptr;
+ }
+}
+
+
+/*
+ * Free the struct parts
+ */
+void free_parts(struct parts *p)
+{
+ struct parts *a_part = p;
+
+ while (a_part) {
+ struct parts *q;
+
+ q = a_part;
+ a_part = a_part->next;
+ free(q);
+ }
+}
+
+
+/*
+ * This is a mini RFC2047 decoder.
+ * It only handles strings encoded from UTF-8 as Quoted-printable.
+ */
+void mini_2047_decode(char *s) {
+ if (!s) return;
+
+ char *qstart = strstr(s, "=?UTF-8?Q?");
+ if (!qstart) return;
+
+ char *qend = strstr(s, "?=");
+ if (!qend) return;
+
+ if (qend <= qstart) return;
+
+ strcpy(qstart, &qstart[10]);
+ qend -= 10;
+
+ char *p = qstart;
+ while (p < qend) {
+
+ if (p[0] == '=') {
+
+ char ch[3];
+ ch[0] = p[1];
+ ch[1] = p[2];
+ ch[2] = p[3];
+ int c;
+ sscanf(ch, "%02x", &c);
+ p[0] = c;
+ strcpy(&p[1], &p[3]);
+ qend -= 2;
+ }
+
+ if (p[0] == '_') {
+ p[0] = ' ';
+ }
+
+ ++p;
+ }
+
+ strcpy(qend, &qend[2]);
+}
+
+/*
+ * Read a message from the server
+ */
+int read_message(CtdlIPC *ipc,
+ long num, /* message number */
+ int pagin, /* 0 = normal read, 1 = read with pagination, 2 = header */
+ FILE *dest) /* Destination file, NULL for screen */
+{
+ char buf[SIZ];
+ char now[SIZ];
+ int format_type = 0;
+ int fr = 0;
+ int nhdr = 0;
+ struct ctdlipcmessage *message = NULL;
+ int r; /* IPC response code */
+ char *converted_text = NULL;
+ char *lineptr;
+ char *nextline;
+ char *searchptr;
+ int i;
+ char ch;
+ int linelen;
+ int final_line_is_blank = 0;
+
+ has_images = 0;
+
+ sigcaught = 0;
+ stty_ctdl(1);
+
+ strcpy(reply_to, NO_REPLY_TO);
+ strcpy(reply_subject, "");
+ strcpy(reply_references, "");
+ strcpy(reply_inreplyto, "");
+
+ r = CtdlIPCGetSingleMessage(ipc, num, (pagin == READ_HEADER ? 1 : 0), 4, &message, buf);
+ if (r / 100 != 1) {
+ scr_printf("*** msg #%ld: %d %s\n", num, r, buf);
+ stty_ctdl(0);
+ free(message->text);
+ free_parts(message->attachments);
+ free(message);
+ return (0);
+ }
+
+ if (dest) {
+ fprintf(dest, "\n ");
+ } else {
+ scr_printf("\n");
+ if (pagin != 2)
+ scr_printf(" ");
+ }
+ if (pagin == 1 && !dest) {
+ color(BRIGHT_CYAN);
+ }
+
+ /* View headers only */
+ if (pagin == 2) {
+ scr_printf("nhdr=%s\nfrom=%s\ntype=%d\nmsgn=%s\n",
+ message->nhdr ? "yes" : "no",
+ message->author, message->type,
+ message->msgid);
+ if (!IsEmptyStr(message->subject)) {
+ scr_printf("subj=%s\n", message->subject);
+ }
+ if (!IsEmptyStr(message->email)) {
+ scr_printf("rfca=%s\n", message->email);
+ }
+ scr_printf("hnod=%s\nroom=%s\nnode=%s\ntime=%s",
+ message->hnod, message->room,
+ message->node,
+ asctime(localtime(&message->time)));
+ if (!IsEmptyStr(message->recipient)) {
+ scr_printf("rcpt=%s\n", message->recipient);
+ }
+ if (message->attachments) {
+ struct parts *ptr;
+
+ for (ptr = message->attachments; ptr; ptr = ptr->next) {
+ scr_printf("part=%s|%s|%s|%s|%s|%ld\n",
+ ptr->name, ptr->filename, ptr->number,
+ ptr->disposition, ptr->mimetype,
+ ptr->length
+ );
+ }
+ }
+ scr_printf("\n");
+ stty_ctdl(0);
+ free(message->text);
+ free_parts(message->attachments);
+ free(message);
+ return (0);
+ }
+
+ if (rc_display_message_numbers) {
+ if (dest) {
+ fprintf(dest, "[#%s] ", message->msgid);
+ } else {
+ color(DIM_WHITE);
+ scr_printf("[");
+ color(BRIGHT_WHITE);
+ scr_printf("#%s", message->msgid);
+ color(DIM_WHITE);
+ scr_printf("] ");
+ }
+ }
+ if (nhdr == 1 && !is_room_aide) {
+ if (dest) {
+ fprintf(dest, " ****");
+ } else {
+ scr_printf(" ****");
+ }
+ } else {
+ fmt_date(now, sizeof now, message->time, 0);
+ if (dest) {
+ fprintf(dest, "%s from %s ", now, message->author);
+ if (!IsEmptyStr(message->email)) {
+ fprintf(dest, "<%s> ", message->email);
+ }
+ } else {
+ color(BRIGHT_CYAN);
+ scr_printf("%s ", now);
+ color(DIM_WHITE);
+ scr_printf("from ");
+ color(BRIGHT_CYAN);
+ scr_printf("%s ", message->author);
+ if (!IsEmptyStr(message->email)) {
+ color(DIM_WHITE);
+ scr_printf("<");
+ color(BRIGHT_BLUE);
+ scr_printf("%s", message->email);
+ color(DIM_WHITE);
+ scr_printf("> ");
+ }
+ }
+ if (!IsEmptyStr(message->node)) {
+ if ((room_flags & QR_NETWORK)
+ || ((strcasecmp(message->node, ipc->ServInfo.nodename)
+ && (strcasecmp(message->node, ipc->ServInfo.fqdn))))) {
+ if (IsEmptyStr(message->email)) {
+ if (dest) {
+ fprintf(dest, "@%s ", message->node);
+ } else {
+ color(DIM_WHITE);
+ scr_printf("@");
+ color(BRIGHT_YELLOW);
+ scr_printf("%s ", message->node);
+ }
+ }
+ }
+ }
+ if (strcasecmp(message->hnod, ipc->ServInfo.humannode)
+ && (!IsEmptyStr(message->hnod)) && (IsEmptyStr(message->email))) {
+ if (dest) {
+ fprintf(dest, "(%s) ", message->hnod);
+ } else {
+ color(DIM_WHITE);
+ scr_printf("(");
+ color(BRIGHT_WHITE);
+ scr_printf("%s", message->hnod);
+ color(DIM_WHITE);
+ scr_printf(") ");
+ }
+ }
+ if (strcasecmp(message->room, room_name) && (IsEmptyStr(message->email))) {
+ if (dest) {
+ fprintf(dest, "in %s> ", message->room);
+ } else {
+ color(DIM_WHITE);
+ scr_printf("in ");
+ color(BRIGHT_MAGENTA);
+ scr_printf("%s> ", message->room);
+ }
+ }
+ if (!IsEmptyStr(message->recipient)) {
+ if (dest) {
+ fprintf(dest, "to %s ", message->recipient);
+ } else {
+ color(DIM_WHITE);
+ scr_printf("to ");
+ color(BRIGHT_CYAN);
+ scr_printf("%s ", message->recipient);
+ }
+ }
+ }
+
+ if (dest) {
+ fprintf(dest, "\n");
+ } else {
+ scr_printf("\n");
+ }
+
+ /* Set the reply-to address to an Internet e-mail address if possible
+ */
+ if ((message->email != NULL) && (!IsEmptyStr(message->email))) {
+ if (!IsEmptyStr(message->author)) {
+ snprintf(reply_to, sizeof reply_to, "%s <%s>", message->author, message->email);
+ }
+ else {
+ safestrncpy(reply_to, message->email, sizeof reply_to);
+ }
+ }
+
+ /* But if we can't do that, set it to a Citadel address.
+ */
+ if (!strcmp(reply_to, NO_REPLY_TO)) {
+ snprintf(reply_to, sizeof(reply_to), "%s @ %s",
+ message->author, message->node);
+ }
+
+ if (message->msgid != NULL) {
+ safestrncpy(reply_inreplyto, message->msgid, sizeof reply_inreplyto);
+ }
+
+ if (message->references != NULL) if (!IsEmptyStr(message->references)) {
+ safestrncpy(reply_references, message->references, sizeof reply_references);
+ }
+
+ if (message->subject != NULL) {
+ safestrncpy(reply_subject, message->subject, sizeof reply_subject);
+ if (!IsEmptyStr(message->subject)) {
+ if (dest) {
+ fprintf(dest, "Subject: %s\n", message->subject);
+ } else {
+ color(DIM_WHITE);
+ scr_printf("Subject: ");
+ color(BRIGHT_CYAN);
+ mini_2047_decode(message->subject);
+ scr_printf("%s\n", message->subject);
+ }
+ }
+ }
+
+ if (pagin == 1 && !dest) {
+ color(BRIGHT_WHITE);
+ }
+
+ /******* end of header output, start of message text output *******/
+
+ /*
+ * Convert HTML to plain text, formatting for the actual width
+ * of the client screen.
+ */
+ if (!strcasecmp(message->content_type, "text/html")) {
+ converted_text = html_to_ascii(message->text, 0, screenwidth, 0);
+ if (converted_text != NULL) {
+ free(message->text);
+ message->text = converted_text;
+ format_type = 1;
+ }
+ }
+
+ /* Text/plain is a different type */
+ if (!strcasecmp(message->content_type, "text/plain")) {
+ format_type = 1;
+ }
+
+ /* Extract URL's */
+ num_urls = 0; /* Start with a clean slate */
+ searchptr = message->text;
+ while ( (searchptr != NULL) && (num_urls < MAXURLS) ) {
+ searchptr = strstr(searchptr, "http://");
+ if (searchptr != NULL) {
+ safestrncpy(urls[num_urls], searchptr, sizeof(urls[num_urls]));
+ for (i = 0; i < strlen(urls[num_urls]); i++) {
+ ch = urls[num_urls][i];
+ if (ch == '>' || ch == '\"' || ch == ')' ||
+ ch == ' ' || ch == '\n') {
+ urls[num_urls][i] = 0;
+ break;
+ }
+ }
+ num_urls++;
+ ++searchptr;
+ }
+ }
+
+ /*
+ * Here we go
+ */
+ if (format_type == 0) {
+ fr = fmout(screenwidth, NULL, message->text, dest, 1);
+ } else {
+ /* renderer for text/plain */
+
+ lineptr = message->text;
+
+ do {
+ nextline = strchr(lineptr, '\n');
+ if (nextline != NULL) {
+ *nextline = 0;
+ ++nextline;
+ if (*nextline == 0) nextline = NULL;
+ }
+
+ if (sigcaught == 0) {
+ linelen = strlen(lineptr);
+ if (linelen && (lineptr[linelen-1] == '\r')) {
+ lineptr[--linelen] = 0;
+ }
+ if (dest) {
+ fprintf(dest, "%s\n", lineptr);
+ } else {
+ scr_printf("%s\n", lineptr);
+ }
+ }
+ if (lineptr[0] == 0) final_line_is_blank = 1;
+ else final_line_is_blank = 0;
+ lineptr = nextline;
+ } while (nextline);
+ fr = sigcaught;
+ }
+ if (!final_line_is_blank) {
+ if (dest) {
+ fprintf(dest, "\n");
+ }
+ else {
+ scr_printf("\n");
+ fr = sigcaught;
+ }
+ }
+
+ /* Enumerate any attachments */
+ if ( (pagin == 1) && (message->attachments) ) {
+ struct parts *ptr;
+
+ for (ptr = message->attachments; ptr; ptr = ptr->next) {
+ if ( (!strcasecmp(ptr->disposition, "attachment"))
+ || (!strcasecmp(ptr->disposition, "inline"))
+ || (!strcasecmp(ptr->disposition, ""))
+ ) {
+ if ( (strcasecmp(ptr->number, message->mime_chosen))
+ && (!IsEmptyStr(ptr->mimetype))
+ ) {
+ color(DIM_WHITE);
+ scr_printf("Part ");
+ color(BRIGHT_MAGENTA);
+ scr_printf("%s", ptr->number);
+ color(DIM_WHITE);
+ scr_printf(": ");
+ color(BRIGHT_CYAN);
+ scr_printf("%s", ptr->filename);
+ color(DIM_WHITE);
+ scr_printf(" (%s, %ld bytes)\n", ptr->mimetype, ptr->length);
+ if (!strncmp(ptr->mimetype, "image/", 6)) {
+ has_images++;
+ }
+ }
+ }
+ }
+ }
+
+ /* Save the attachments info for later */
+ last_message_parts = message->attachments;
+
+ /* Now we're done */
+ free(message->text);
+ free(message);
+
+ if (pagin == 1 && !dest)
+ color(DIM_WHITE);
+ stty_ctdl(0);
+ return (fr);
+}
+
+/*
+ * replace string function for the built-in editor
+ */
+void replace_string(char *filename, long int startpos)
+{
+ char buf[512];
+ char srch_str[128];
+ char rplc_str[128];
+ FILE *fp;
+ int a;
+ long rpos, wpos;
+ char *ptr;
+ int substitutions = 0;
+ long msglen = 0L;
+ int rv;
+
+ newprompt("Enter test to be replaced: ", srch_str, (sizeof(srch_str)-1) );
+ if (IsEmptyStr(srch_str)) {
+ return;
+ }
+
+ newprompt("Enter text to replace it with: ", rplc_str, (sizeof(rplc_str)-1) );
+
+ fp = fopen(filename, "r+");
+ if (fp == NULL) {
+ return;
+ }
+
+ wpos = startpos;
+ fseek(fp, startpos, 0);
+ strcpy(buf, "");
+ while (a = getc(fp), a > 0) {
+ ++msglen;
+ buf[strlen(buf) + 1] = 0;
+ buf[strlen(buf)] = a;
+ if (strlen(buf) >= strlen(srch_str)) {
+ ptr = (&buf[strlen(buf) - strlen(srch_str)]);
+ if (!strncmp(ptr, srch_str, strlen(srch_str))) {
+ strcpy(ptr, rplc_str);
+ ++substitutions;
+ }
+ }
+ if (strlen(buf) > 384) {
+ rpos = ftell(fp);
+ fseek(fp, wpos, 0);
+ rv = fwrite((char *) buf, 128, 1, fp);
+ if (rv < 0) {
+ scr_printf("failed to replace string: %s\n", strerror(errno));
+ break; /*whoopsi! */
+ }
+ strcpy(buf, &buf[128]);
+ wpos = ftell(fp);
+ fseek(fp, rpos, 0);
+ }
+ }
+ fseek(fp, wpos, 0);
+ if (!IsEmptyStr(buf)) {
+ rv = fwrite((char *) buf, strlen(buf), 1, fp);
+ }
+ wpos = ftell(fp);
+ fclose(fp);
+ rv = truncate(filename, wpos);
+ scr_printf("<R>eplace made %d substitution(s).\n\n", substitutions);
+}
+
+/*
+ * Function to begin composing a new message
+ */
+int client_make_message(CtdlIPC *ipc,
+ char *filename, /* temporary file name */
+ char *recipient, /* NULL if it's not mail */
+ int is_anonymous,
+ int format_type,
+ int mode,
+ char *subject, /* buffer to store subject line */
+ int subject_required
+) {
+ FILE *fp;
+ int a, b, e_ex_code;
+ long beg;
+ char datestr[SIZ];
+ char header[SIZ];
+ int cksum = 0;
+
+ if ( (mode == 2) && (IsEmptyStr(editor_path)) ) {
+ scr_printf("*** No editor available; using built-in editor.\n");
+ mode = 0;
+ }
+
+ fmt_date(datestr, sizeof datestr, time(NULL), 0);
+ header[0] = 0;
+
+ if (room_flags & QR_ANONONLY && !recipient) {
+ snprintf(header, sizeof header, " ****");
+ }
+ else {
+ snprintf(header, sizeof header,
+ " %s from %s",
+ datestr,
+ (is_anonymous ? "[anonymous]" : fullname)
+ );
+ if (!IsEmptyStr(recipient)) {
+ size_t tmp = strlen(header);
+ snprintf(&header[tmp], sizeof header - tmp,
+ " to %s", recipient);
+ }
+ }
+ scr_printf("%s\n", header);
+ if (subject != NULL) if (!IsEmptyStr(subject)) {
+ scr_printf("Subject: %s\n", subject);
+ }
+
+ if ( (subject_required) && (IsEmptyStr(subject)) ) {
+ newprompt("Subject: ", subject, 70);
+ }
+
+ if (mode == 1) {
+ scr_printf("(Press ctrl-d when finished)\n");
+ }
+
+ if (mode == 0) {
+ fp = fopen(filename, "r");
+ if (fp != NULL) {
+ fmout(screenwidth, fp, NULL, NULL, 0);
+ beg = ftell(fp);
+ if (beg < 0)
+ scr_printf("failed to get stream position %s\n",
+ strerror(errno));
+ fclose(fp);
+ } else {
+ fp = fopen(filename, "w");
+ if (fp == NULL) {
+ scr_printf("*** Error opening temp file!\n %s: %s\n",
+ filename, strerror(errno)
+ );
+ return(1);
+ }
+ fclose(fp);
+ }
+ }
+
+ME1: switch (mode) {
+
+ case 0:
+ fp = fopen(filename, "r+");
+ if (fp == NULL) {
+ scr_printf("*** Error opening temp file!\n %s: %s\n",
+ filename, strerror(errno)
+ );
+ return(1);
+ }
+ citedit(fp);
+ fclose(fp);
+ goto MECR;
+
+ case 1:
+ fp = fopen(filename, "a");
+ if (fp == NULL) {
+ scr_printf("*** Error opening temp file!\n"
+ " %s: %s\n",
+ filename, strerror(errno));
+ return(1);
+ }
+ do {
+ a = inkey();
+ if (a == 255)
+ a = 32;
+ if (a == 13)
+ a = 10;
+ if (a != 4) {
+ putc(a, fp);
+ scr_putc(a);
+ }
+ if (a == 10)
+ scr_putc(10);
+ } while (a != 4);
+ fclose(fp);
+ break;
+
+ case 2:
+ default: /* allow 2+ modes */
+ e_ex_code = 1; /* start with a failed exit code */
+ stty_ctdl(SB_RESTORE);
+ editor_pid = fork();
+ cksum = file_checksum(filename);
+ if (editor_pid == 0) {
+ char tmp[SIZ];
+
+ chmod(filename, 0600);
+ snprintf(tmp, sizeof tmp, "WINDOW_TITLE=%s", header);
+ putenv(tmp);
+ execlp(editor_path, editor_path, filename, NULL);
+ exit(1);
+ }
+ if (editor_pid > 0)
+ do {
+ e_ex_code = 0;
+ b = ka_wait(&e_ex_code);
+ } while ((b != editor_pid) && (b >= 0));
+ editor_pid = (-1);
+ stty_ctdl(0);
+ break;
+ }
+
+MECR: if (mode >= 2) {
+ if (file_checksum(filename) == cksum) {
+ scr_printf("*** Aborted message.\n");
+ e_ex_code = 1;
+ }
+ if (e_ex_code == 0) {
+ goto MEFIN;
+ }
+ goto MEABT2;
+ }
+
+ b = keymenu("Entry command (? for options)",
+ "<A>bort|"
+ "<C>ontinue|"
+ "<S>ave message|"
+ "<P>rint formatted|"
+ "add s<U>bject|"
+ "<R>eplace string|"
+ "<H>old message"
+ );
+
+ if (b == 'a') goto MEABT;
+ if (b == 'c') goto ME1;
+ if (b == 's') goto MEFIN;
+ if (b == 'p') {
+ scr_printf(" %s from %s", datestr, fullname);
+ if (!IsEmptyStr(recipient)) {
+ scr_printf(" to %s", recipient);
+ }
+ scr_printf("\n");
+ if (subject != NULL) if (!IsEmptyStr(subject)) {
+ scr_printf("Subject: %s\n", subject);
+ }
+ fp = fopen(filename, "r");
+ if (fp != NULL) {
+ fmout(screenwidth, fp, NULL, NULL, 0);
+ beg = ftell(fp);
+ if (beg < 0)
+ scr_printf("failed to get stream position %s\n",
+ strerror(errno));
+ fclose(fp);
+ }
+ goto MECR;
+ }
+ if (b == 'r') {
+ replace_string(filename, 0L);
+ goto MECR;
+ }
+ if (b == 'h') {
+ return (2);
+ }
+ if (b == 'u') {
+ if (subject != NULL) {
+ newprompt("Subject: ", subject, 70);
+ }
+ goto MECR;
+ }
+
+MEFIN: return (0);
+
+MEABT: scr_printf("Are you sure? ");
+ if (yesno() == 0) {
+ goto ME1;
+ }
+MEABT2: unlink(filename);
+ return (2);
+}
+
+
+/*
+ * Make sure there's room in msg_arr[] for at least one more.
+ */
+void check_msg_arr_size(void) {
+ if ((num_msgs + 1) > msg_arr_size) {
+ msg_arr_size += 512;
+ msg_arr = realloc(msg_arr,
+ ((sizeof(long)) * msg_arr_size) );
+ }
+}
+
+
+/*
+ * break_big_lines() - break up lines that are >1024 characters
+ * otherwise the server will truncate
+ */
+void break_big_lines(char *msg) {
+ char *ptr;
+ char *break_here;
+
+ if (msg == NULL) {
+ return;
+ }
+
+ ptr = msg;
+ while (strlen(ptr) > 1000) {
+ break_here = strchr(&ptr[900], ' ');
+ if ((break_here == NULL) || (break_here > &ptr[999])) {
+ break_here = &ptr[999];
+ }
+ *break_here = '\n';
+ ptr = break_here++;
+ }
+}
+
+
+/*
+ * entmsg() - edit and create a message
+ * returns 0 if message was saved
+ */
+int entmsg(CtdlIPC *ipc,
+ int is_reply, /* nonzero if this was a <R>eply command */
+ int c, /* mode */
+ int masquerade /* prompt for a non-default display name? */
+) {
+ char buf[SIZ];
+ int a, b;
+ int need_recp = 0;
+ int mode;
+ long highmsg = 0L;
+ FILE *fp;
+ char subject[SIZ];
+ struct ctdlipcmessage message;
+ unsigned long *msgarr = NULL;
+ int r; /* IPC response code */
+ int subject_required = 0;
+
+ if (!entmsg_ok) {
+ scr_printf("You may not enter messages in this type of room.\n");
+ return(1);
+ }
+
+ if (c > 0) {
+ mode = 1;
+ }
+ else {
+ mode = 0;
+ }
+
+ strcpy(subject, "");
+
+ /*
+ * First, check to see if we have permission to enter a message in
+ * this room. The server will return an error code if we can't.
+ */
+ strcpy(message.recipient, "");
+ strcpy(message.author, "");
+ strcpy(message.subject, "");
+ strcpy(message.references, "");
+ message.text = ""; /* point to "", changes later */
+ message.anonymous = 0;
+ message.type = mode;
+
+ if (masquerade) {
+ newprompt("Display name for this message: ", message.author, 40);
+ }
+
+ if (is_reply) {
+
+ if (!IsEmptyStr(reply_subject)) {
+ if (!strncasecmp(reply_subject,
+ "Re: ", 3)) {
+ strcpy(message.subject, reply_subject);
+ }
+ else {
+ snprintf(message.subject,
+ sizeof message.subject,
+ "Re: %s",
+ reply_subject);
+ }
+ }
+
+ /* Trim down excessively long lists of thread references. We eliminate the
+ * second one in the list so that the thread root remains intact.
+ */
+ int rrtok = num_tokens(reply_references, '|');
+ int rrlen = strlen(reply_references);
+ if ( ((rrtok >= 3) && (rrlen > 900)) || (rrtok > 10) ) {
+ remove_token(reply_references, 1, '|');
+ }
+
+ snprintf(message.references, sizeof message.references, "%s%s%s",
+ reply_references,
+ (IsEmptyStr(reply_references) ? "" : "|"),
+ reply_inreplyto
+ );
+ }
+
+ r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
+
+ if (r / 100 != 2 && r / 10 != 57) {
+ scr_printf("%s\n", buf);
+ return (1);
+ }
+
+ /* Error code 570 is special. It means that we CAN enter a message
+ * in this room, but a recipient needs to be specified.
+ */
+ need_recp = 0;
+ if (r / 10 == 57) {
+ need_recp = 1;
+ }
+
+ /* If the user is a dumbass, tell them how to type. */
+ if ((userflags & US_EXPERT) == 0) {
+ formout(ipc, "entermsg");
+ }
+
+ /* Handle the selection of a recipient, if necessary. */
+ strcpy(buf, "");
+ if (need_recp == 1) {
+ if (axlevel >= AxProbU) {
+ if (is_reply) {
+ strcpy(buf, reply_to);
+ } else {
+ newprompt("Enter recipient: ", buf, SIZ-100);
+ if (IsEmptyStr(buf)) {
+ return (1);
+ }
+ }
+ } else
+ strcpy(buf, "sysop");
+ }
+ strcpy(message.recipient, buf);
+
+ if (room_flags & QR_ANONOPT) {
+ scr_printf("Anonymous (Y/N)? ");
+ if (yesno() == 1)
+ message.anonymous = 1;
+ }
+
+ /* If it's mail, we've got to check the validity of the recipient... */
+ if (!IsEmptyStr(message.recipient)) {
+ r = CtdlIPCPostMessage(ipc, 0, &subject_required, &message, buf);
+ if (r / 100 != 2) {
+ scr_printf("%s\n", buf);
+ return (1);
+ }
+ }
+
+ /* Learn the number of the newest message in in the room, so we can
+ * tell upon saving whether someone else has posted too.
+ */
+ num_msgs = 0;
+ r = CtdlIPCGetMessages(ipc, LastMessages, 1, NULL, &msgarr, buf);
+ if (r / 100 != 1) {
+ scr_printf("%s\n", buf);
+ } else {
+ for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
+ ;
+ }
+
+ /* Now compose the message... */
+ if (client_make_message(ipc, temp, message.recipient,
+ message.anonymous, 0, c, message.subject, subject_required) != 0) {
+ if (msgarr) free(msgarr);
+ return (2);
+ }
+
+ /* Reopen the temp file that was created, so we can send it */
+ fp = fopen(temp, "r");
+
+ if (!fp || !(message.text = load_message_from_file(fp))) {
+ scr_printf("*** Internal error while trying to save message!\n"
+ "%s: %s\n",
+ temp, strerror(errno));
+ unlink(temp);
+ return(errno);
+ }
+
+ if (fp) fclose(fp);
+
+ /* Break lines that are >1024 characters, otherwise the server
+ * will truncate them.
+ */
+ break_big_lines(message.text);
+
+ /* Transmit message to the server */
+ r = CtdlIPCPostMessage(ipc, 1, NULL, &message, buf);
+ if (r / 100 != 4) {
+ scr_printf("%s\n", buf);
+ return (1);
+ }
+
+ /* Yes, unlink it now, so it doesn't stick around if we crash */
+ unlink(temp);
+
+ if (num_msgs >= 1) highmsg = msgarr[num_msgs - 1];
+
+ if (msgarr) free(msgarr);
+ msgarr = NULL;
+ r = CtdlIPCGetMessages(ipc, NewMessages, 0, NULL, &msgarr, buf);
+ if (r / 100 != 1) {
+ scr_printf("%s\n", buf);
+ } else {
+ for (num_msgs = 0; msgarr[num_msgs]; num_msgs++)
+ ;
+ }
+
+ /* get new highest message number in room to set lrp for goto... */
+ maxmsgnum = msgarr[num_msgs - 1];
+
+ /* now see if anyone else has posted in here */
+ b = (-1);
+ for (a = 0; a < num_msgs; ++a) {
+ if (msgarr[a] > highmsg) {
+ ++b;
+ }
+ }
+ if (msgarr) free(msgarr);
+ msgarr = NULL;
+
+ /* In the Mail> room, this algorithm always counts one message
+ * higher than in public rooms, so we decrement it by one.
+ */
+ if (need_recp) {
+ --b;
+ }
+
+ if (b == 1) {
+ scr_printf("*** 1 additional message has been entered "
+ "in this room by another user.\n");
+ }
+ else if (b > 1) {
+ scr_printf("*** %d additional messages have been entered "
+ "in this room by other users.\n", b);
+ }
+ free(message.text);
+
+ return(0);
+}
+
+/*
+ * Do editing on a quoted file
+ */
+void process_quote(void)
+{
+ FILE *qfile, *tfile;
+ char buf[128];
+ int line, qstart, qend;
+
+ /* Unlink the second temp file as soon as it's opened, so it'll get
+ * deleted even if the program dies
+ */
+ qfile = fopen(temp2, "r");
+ unlink(temp2);
+
+ /* Display the quotable text with line numbers added */
+ line = 0;
+ if (fgets(buf, 128, qfile) == NULL) {
+ /* we're skipping a line here */
+ }
+ while (fgets(buf, 128, qfile) != NULL) {
+ scr_printf("%3d %s", ++line, buf);
+ }
+
+ qstart = intprompt("Begin quoting at", 1, 1, line);
+ qend = intprompt(" End quoting at", line, qstart, line);
+
+ rewind(qfile);
+ line = 0;
+ if (fgets(buf, 128, qfile) == NULL) {
+ /* we're skipping a line here */
+ }
+ tfile = fopen(temp, "w");
+ while (fgets(buf, 128, qfile) != NULL) {
+ if ((++line >= qstart) && (line <= qend))
+ fprintf(tfile, " >%s", buf);
+ }
+ fprintf(tfile, " \n");
+ fclose(qfile);
+ fclose(tfile);
+ chmod(temp, 0666);
+}
+
+
+
+/*
+ * List the URL's which were embedded in the previous message
+ */
+void list_urls(CtdlIPC *ipc)
+{
+ int i;
+ char cmd[SIZ];
+ int rv;
+
+ if (num_urls == 0) {
+ scr_printf("There were no URL's in the previous message.\n\n");
+ return;
+ }
+
+ for (i = 0; i < num_urls; ++i) {
+ scr_printf("%3d %s\n", i + 1, urls[i]);
+ }
+
+ if ((i = num_urls) != 1)
+ i = intprompt("Display which one", 1, 1, num_urls);
+
+ snprintf(cmd, sizeof cmd, rc_url_cmd, urls[i - 1]);
+ rv = system(cmd);
+ if (rv != 0)
+ scr_printf("failed to '%s' by %d\n", cmd, rv);
+ scr_printf("\n");
+}
+
+
+/*
+ * Run image viewer in background
+ */
+int do_image_view(const char *filename)
+{
+ char cmd[SIZ];
+ pid_t childpid;
+
+ snprintf(cmd, sizeof cmd, imagecmd, filename);
+ childpid = fork();
+ if (childpid < 0) {
+ unlink(filename);
+ return childpid;
+ }
+
+ if (childpid == 0) {
+ int retcode;
+ pid_t grandchildpid;
+
+ grandchildpid = fork();
+ if (grandchildpid < 0) {
+ return grandchildpid;
+ }
+
+ if (grandchildpid == 0) {
+ int nullfd;
+ int outfd = -1;
+ int errfd = -1;
+
+ nullfd = open("/dev/null", O_WRONLY);
+ if (nullfd > -1) {
+ dup2(1, outfd);
+ dup2(2, errfd);
+ dup2(nullfd, 1);
+ dup2(nullfd, 2);
+ }
+ retcode = system(cmd);
+ if (nullfd > -1) {
+ dup2(outfd, 1);
+ dup2(errfd, 2);
+ close(nullfd);
+ }
+ unlink(filename);
+ exit(retcode);
+ }
+
+ if (grandchildpid > 0) {
+ exit(0);
+ }
+ }
+
+ if (childpid > 0) {
+ int retcode;
+
+ waitpid(childpid, &retcode, 0);
+ return retcode;
+ }
+
+ return -1;
+}
+
+
+/*
+ * View an image attached to a message
+ */
+void image_view(CtdlIPC *ipc, unsigned long msg)
+{
+ struct parts *ptr = last_message_parts;
+ char part[SIZ];
+ int found = 0;
+
+ /* Run through available parts */
+ for (ptr = last_message_parts; ptr; ptr = ptr->next) {
+ if ((!strcasecmp(ptr->disposition, "attachment")
+ || !strcasecmp(ptr->disposition, "inline"))
+ && !strncmp(ptr->mimetype, "image/", 6)) {
+ found++;
+ if (found == 1) {
+ strcpy(part, ptr->number);
+ }
+ }
+ }
+
+ while (found > 0) {
+ if (found > 1)
+ strprompt("View which part (0 when done)", part, SIZ-1);
+ found = -found;
+ for (ptr = last_message_parts; ptr; ptr = ptr->next) {
+ if ((!strcasecmp(ptr->disposition, "attachment")
+ || !strcasecmp(ptr->disposition, "inline"))
+ && !strncmp(ptr->mimetype, "image/", 6)
+ && !strcasecmp(ptr->number, part)) {
+ char tmp[PATH_MAX];
+ char buf[SIZ];
+ void *file = NULL; /* The downloaded file */
+ int r;
+
+ /* view image */
+ found = -found;
+ r = CtdlIPCAttachmentDownload(ipc, msg, ptr->number, &file, progress, buf);
+ if (r / 100 != 2) {
+ scr_printf("%s\n", buf);
+ } else {
+ size_t len;
+
+ len = (size_t)extract_long(buf, 0);
+ progress(ipc, len, len);
+ scr_flush();
+ CtdlMakeTempFileName(tmp, sizeof tmp);
+ strcat(tmp, ptr->filename);
+ save_buffer(file, len, tmp);
+ free(file);
+ do_image_view(tmp);
+ }
+ break;
+ }
+ }
+ if (found == 1)
+ break;
+ }
+}
+
+
+/*
+ * Read the messages in the current room
+ */
+void readmsgs(CtdlIPC *ipc,
+ enum MessageList c, /* see listing in citadel_ipc.h */
+ enum MessageDirection rdir, /* 1=Forward (-1)=Reverse */
+ int q /* Number of msgs to read (if c==3) */
+) {
+ int a, e, f, g, start;
+ int savedpos;
+ int hold_sw = 0;
+ char arcflag = 0;
+ char quotflag = 0;
+ int hold_color = 0;
+ char prtfile[PATH_MAX];
+ char pagin;
+ char cmd[SIZ];
+ char targ[ROOMNAMELEN];
+ char filename[PATH_MAX];
+ char save_to[PATH_MAX];
+ void *attachment = NULL; /* Downloaded attachment */
+ FILE *dest = NULL; /* Alternate destination other than screen */
+ int r; /* IPC response code */
+ static int att_seq = 0; /* Attachment download sequence number */
+ int rv = 0; /* silence the stupid warn_unused_result warnings */
+
+ CtdlMakeTempFileName(prtfile, sizeof prtfile);
+
+ if (msg_arr) {
+ free(msg_arr);
+ msg_arr = NULL;
+ }
+ r = CtdlIPCGetMessages(ipc, c, q, NULL, &msg_arr, cmd);
+ if (r / 100 != 1) {
+ scr_printf("%s\n", cmd);
+ } else {
+ for (num_msgs = 0; msg_arr[num_msgs]; num_msgs++)
+ ;
+ }
+
+ if (num_msgs == 0) { /* TODO look at this later */
+ if (c == LastMessages) return;
+ scr_printf("*** There are no ");
+ if (c == NewMessages) scr_printf("new ");
+ if (c == OldMessages) scr_printf("old ");
+ scr_printf("messages in this room.\n");
+ return;
+ }
+
+ /* this loop cycles through each message... */
+ start = ((rdir == 1) ? 0 : (num_msgs - 1));
+ for (a = start; ((a < num_msgs) && (a >= 0)); a = a + rdir) {
+ while (msg_arr[a] == 0L) {
+ a = a + rdir;
+ if ((a == num_msgs) || (a == (-1)))
+ return;
+ }
+
+RAGAIN: pagin = ((arcflag == 0)
+ && (quotflag == 0)
+ && (userflags & US_PAGINATOR)) ? 1 : 0;
+
+ /* If we're doing a quote, set the screenwidth to 72 */
+ if (quotflag) {
+ hold_sw = screenwidth;
+ screenwidth = 72;
+ }
+
+ /* If printing or archiving, set the screenwidth to 80 */
+ if (arcflag) {
+ hold_sw = screenwidth;
+ screenwidth = 80;
+ }
+
+ /* clear parts list */
+ free_parts(last_message_parts);
+ last_message_parts = NULL;
+
+ /* now read the message... */
+ e = read_message(ipc, msg_arr[a], pagin, dest);
+
+ /* ...and set the screenwidth back if we have to */
+ if ((quotflag) || (arcflag)) {
+ screenwidth = hold_sw;
+ }
+RMSGREAD:
+ highest_msg_read = msg_arr[a];
+ if (quotflag) {
+ fclose(dest);
+ dest = NULL;
+ quotflag = 0;
+ enable_color = hold_color;
+ process_quote();
+ e = 'r';
+ goto DONE_QUOTING;
+ }
+ if (arcflag) {
+ fclose(dest);
+ dest = NULL;
+ arcflag = 0;
+ enable_color = hold_color;
+ f = fork();
+ if (f == 0) {
+ if (freopen(prtfile, "r", stdin) == NULL) {
+ /* we probably should handle the error condition here */
+ }
+ stty_ctdl(SB_RESTORE);
+ ka_system(printcmd);
+ stty_ctdl(SB_NO_INTR);
+ unlink(prtfile);
+ exit(0);
+ }
+ if (f > 0)
+ do {
+ g = wait(NULL);
+ } while ((g != f) && (g >= 0));
+ scr_printf("Message printed.\n");
+ }
+ if (e == SIGQUIT)
+ return;
+ if (((userflags & US_NOPROMPT) || (e == SIGINT))
+ && (((room_flags & QR_MAILBOX) == 0)
+ || (rc_force_mail_prompts == 0))) {
+ e = 'n';
+ } else {
+ color(DIM_WHITE);
+ scr_printf("(");
+ color(BRIGHT_WHITE);
+ scr_printf("%d", num_msgs - a - 1);
+ color(DIM_WHITE);
+ scr_printf(") ");
+
+ keyopt("<B>ack <A>gain <R>eply reply<Q>uoted <N>ext <S>top ");
+ if (rc_url_cmd[0] && num_urls)
+ keyopt("<U>RLview ");
+ if (has_images > 0 && !IsEmptyStr(imagecmd))
+ keyopt("<I>mages ");
+ keyopt("<?>help -> ");
+
+ do {
+ e = (inkey() & 127);
+ e = tolower(e);
+/* return key same as <N> */ if (e == 10)
+ e = 'n';
+/* space key same as <N> */ if (e == 32)
+ e = 'n';
+/* del/move for aides only */
+ if ( (!is_room_aide)
+ && ((room_flags & QR_MAILBOX) == 0)
+ && ((room_flags2 & QR2_COLLABDEL) == 0)
+ ) {
+ if ((e == 'd') || (e == 'm'))
+ e = 0;
+ }
+/* print only if available */
+ if ((e == 'p') && (IsEmptyStr(printcmd)))
+ e = 0;
+/* can't file if not allowed */
+ if ((e == 'f')
+ && (rc_allow_attachments == 0))
+ e = 0;
+/* link only if browser avail*/
+ if ((e == 'u')
+ && (IsEmptyStr(rc_url_cmd)))
+ e = 0;
+ if ((e == 'i')
+ && (IsEmptyStr(imagecmd) || !has_images))
+ e = 0;
+ } while ((e != 'a') && (e != 'n') && (e != 's')
+ && (e != 'd') && (e != 'm') && (e != 'p')
+ && (e != 'q') && (e != 'b') && (e != 'h')
+ && (e != 'r') && (e != 'f') && (e != '?')
+ && (e != 'u') && (e != 'c') && (e != 'y')
+ && (e != 'i') && (e != 'o') );
+ switch (e) {
+ case 's':
+ scr_printf("Stop");
+ break;
+ case 'a':
+ scr_printf("Again");
+ break;
+ case 'd':
+ scr_printf("Delete");
+ break;
+ case 'm':
+ scr_printf("Move");
+ break;
+ case 'c':
+ scr_printf("Copy");
+ break;
+ case 'n':
+ scr_printf("Next");
+ break;
+ case 'p':
+ scr_printf("Print");
+ break;
+ case 'q':
+ scr_printf("reply Quoted");
+ break;
+ case 'b':
+ scr_printf("Back");
+ break;
+ case 'h':
+ scr_printf("Header");
+ break;
+ case 'r':
+ scr_printf("Reply");
+ break;
+ case 'o':
+ scr_printf("Open attachments");
+ break;
+ case 'f':
+ scr_printf("File");
+ break;
+ case 'u':
+ scr_printf("URL's");
+ break;
+ case 'y':
+ scr_printf("mY next");
+ break;
+ case 'i':
+ break;
+ case '?':
+ scr_printf("? <help>");
+ break;
+ }
+ if (userflags & US_DISAPPEAR || e == 'i')
+ scr_printf("\r%79s\r", "");
+ else
+ scr_printf("\n");
+ }
+DONE_QUOTING: switch (e) {
+ case '?':
+ scr_printf("Options available here:\n"
+ " ? Help (prints this message)\n"
+ " S Stop reading immediately\n"
+ " A Again (repeats last message)\n"
+ " N Next (continue with next message)\n"
+ " Y My Next (continue with next message you authored)\n"
+ " B Back (go back to previous message)\n");
+ if ( (is_room_aide)
+ || (room_flags & QR_MAILBOX)
+ || (room_flags2 & QR2_COLLABDEL)
+ ) {
+ scr_printf(" D Delete this message\n"
+ " M Move message to another room\n");
+ }
+ scr_printf(" C Copy message to another room\n");
+ if (!IsEmptyStr(printcmd))
+ scr_printf(" P Print this message\n");
+ scr_printf(
+ " Q Reply to this message, quoting portions of it\n"
+ " H Headers (display message headers only)\n");
+ if (is_mail)
+ scr_printf(" R Reply to this message\n");
+ if (rc_allow_attachments) {
+ scr_printf(" O (Open attachments)\n");
+ scr_printf(" F (save attachments to a File)\n");
+ }
+ if (!IsEmptyStr(rc_url_cmd))
+ scr_printf(" U (list URL's for display)\n");
+ if (!IsEmptyStr(imagecmd) && has_images > 0)
+ scr_printf(" I Image viewer\n");
+ scr_printf("\n");
+ goto RMSGREAD;
+ case 'p':
+ scr_flush();
+ dest = fopen(prtfile, "w");
+ arcflag = 1;
+ hold_color = enable_color;
+ enable_color = 0;
+ goto RAGAIN;
+ case 'q':
+ scr_flush();
+ dest = fopen(temp2, "w");
+ quotflag = 1;
+ hold_color = enable_color;
+ enable_color = 0;
+ goto RAGAIN;
+ case 's':
+ return;
+ case 'a':
+ goto RAGAIN;
+ case 'b':
+ a = a - (rdir * 2);
+ break;
+ case 'm':
+ case 'c':
+ newprompt("Enter target room: ",
+ targ, ROOMNAMELEN - 1);
+ if (!IsEmptyStr(targ)) {
+ r = CtdlIPCMoveMessage(ipc, (e == 'c' ? 1 : 0),
+ msg_arr[a], targ, cmd);
+ scr_printf("%s\n", cmd);
+ if (r / 100 == 2)
+ msg_arr[a] = 0L;
+ } else {
+ goto RMSGREAD;
+ }
+ if (r / 100 != 2) /* r will be init'ed, FIXME */
+ goto RMSGREAD; /* the logic here sucks */
+ break;
+ case 'o':
+ case 'f':
+ newprompt("Which section? ", filename, ((sizeof filename) - 1));
+ r = CtdlIPCAttachmentDownload(ipc, msg_arr[a],
+ filename, &attachment, progress, cmd);
+ if (r / 100 != 2) {
+ scr_printf("%s\n", cmd);
+ } else {
+ extract_token(filename, cmd, 2, '|', sizeof filename);
+ /*
+ * Part 1 won't have a filename; use the
+ * subject of the message instead. IO
+ */
+ if (IsEmptyStr(filename)) {
+ strcpy(filename, reply_subject);
+ }
+ if (e == 'o') { /* open attachment */
+ mkdir(tempdir, 0700);
+ snprintf(save_to, sizeof save_to, "%s/%04x.%s",
+ tempdir,
+ ++att_seq,
+ filename);
+ save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
+ snprintf(cmd, sizeof cmd, rc_open_cmd, save_to);
+ rv = system(cmd);
+ if (rv != 0)
+ scr_printf("failed to save %s Reason %d\n", cmd, rv);
+ }
+ else { /* save attachment to disk */
+ destination_directory(save_to, filename);
+ save_buffer(attachment, extract_unsigned_long(cmd, 0), save_to);
+ }
+ }
+ if (attachment) {
+ free(attachment);
+ attachment = NULL;
+ }
+ goto RMSGREAD;
+ case 'd':
+ scr_printf("*** Delete this message? ");
+ if (yesno() == 1) {
+ r = CtdlIPCDeleteMessage(ipc, msg_arr[a], cmd);
+ scr_printf("%s\n", cmd);
+ if (r / 100 == 2)
+ msg_arr[a] = 0L;
+ } else {
+ goto RMSGREAD;
+ }
+ break;
+ case 'h':
+ read_message(ipc, msg_arr[a], READ_HEADER, NULL);
+ goto RMSGREAD;
+ case 'r':
+ savedpos = num_msgs;
+ entmsg(ipc, 1, ((userflags & US_EXTEDIT) ? 2 : 0), 0);
+ num_msgs = savedpos;
+ goto RMSGREAD;
+ case 'u':
+ list_urls(ipc);
+ goto RMSGREAD;
+ case 'i':
+ image_view(ipc, msg_arr[a]);
+ goto RMSGREAD;
+ case 'y':
+ { /* hack hack hack */
+ /* find the next message by me, stay here if we find nothing */
+ int finda;
+ int lasta = a;
+ for (finda = (a + rdir); ((finda < num_msgs) && (finda >= 0)); finda += rdir)
+ {
+ /* This is repetitively dumb, but that's what computers are for.
+ We have to load up messages until we find one by us */
+ char buf[SIZ];
+ int founda = 0;
+ struct ctdlipcmessage *msg = NULL;
+
+ /* read the header so we can get 'from=' */
+ r = CtdlIPCGetSingleMessage(ipc, msg_arr[finda], 1, 0, &msg, buf);
+ if (!strncasecmp(msg->author, fullname, sizeof(fullname))) {
+ a = lasta; /* meesa current */
+ founda = 1;
+ }
+
+ free(msg);
+
+ if (founda)
+ break; /* for */
+ lasta = finda; /* keep one behind or we skip on the reentrance to the for */
+ } /* for */
+ } /* case 'y' */
+ } /* switch */
+ } /* end for loop */
+} /* end read routine */
+
+
+
+
+/*
+ * View and edit a system message
+ */
+void edit_system_message(CtdlIPC *ipc, char *which_message)
+{
+ char desc[SIZ];
+ char read_cmd[SIZ];
+ char write_cmd[SIZ];
+
+ snprintf(desc, sizeof desc, "system message '%s'", which_message);
+ snprintf(read_cmd, sizeof read_cmd, "MESG %s", which_message);
+ snprintf(write_cmd, sizeof write_cmd, "EMSG %s", which_message);
+ do_edit(ipc, desc, read_cmd, "NOOP", write_cmd);
+}
+
+
+
+
+/*
+ * Loads the contents of a file into memory. Caller must free the allocated
+ * memory.
+ */
+char *load_message_from_file(FILE *src)
+{
+ size_t i;
+ size_t got = 0;
+ char *dest = NULL;
+
+ fseek(src, 0, SEEK_END);
+ i = ftell(src);
+ rewind(src);
+
+ dest = (char *)calloc(1, i + 1);
+ if (!dest)
+ return NULL;
+
+ while (got < i) {
+ size_t g;
+
+ g = fread(dest + got, 1, i - got, src);
+ got += g;
+ if (g < i - got) {
+ /* Interrupted system call, keep going */
+ if (errno == EINTR)
+ continue;
+ /* At this point we have either EOF or error */
+ i = got;
+ break;
+ }
+ dest[i] = 0;
+ }
+
+ return dest;
+}