/*
- * $Id$
- *
* Server functions which handle file transfers and room directories.
- *
*/
#include "sysdep.h"
#include <ctype.h>
#include <string.h>
#include <sys/stat.h>
+#include <sys/mman.h>
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
#endif
#include <limits.h>
+#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "config.h"
#include "file_ops.h"
#include "sysdep_decls.h"
-#include "user_ops.h"
#include "support.h"
#include "room_ops.h"
#include "msgbase.h"
-#include "tools.h"
#include "citserver.h"
+#include "threads.h"
#ifndef HAVE_SNPRINTF
#include "snprintf.h"
#endif
-/*
- * network_talking_to() -- concurrency checker
- */
-int network_talking_to(char *nodename, int operation) {
-
- static char *nttlist = NULL;
- char *ptr = NULL;
- int i;
- char buf[SIZ];
- int retval = 0;
-
- begin_critical_section(S_NTTLIST);
-
- switch(operation) {
-
- case NTT_ADD:
- if (nttlist == NULL) nttlist = strdup("");
- if (nttlist == NULL) break;
- nttlist = (char *)realloc(nttlist,
- (strlen(nttlist) + strlen(nodename) + 3) );
- strcat(nttlist, "|");
- strcat(nttlist, nodename);
- break;
-
- case NTT_REMOVE:
- if (nttlist == NULL) break;
- if (IsEmptyStr(nttlist)) break;
- ptr = malloc(strlen(nttlist));
- if (ptr == NULL) break;
- strcpy(ptr, "");
- for (i = 0; i < num_tokens(nttlist, '|'); ++i) {
- extract_token(buf, nttlist, i, '|', sizeof buf);
- if ( (!IsEmptyStr(buf))
- && (strcasecmp(buf, nodename)) ) {
- strcat(ptr, buf);
- strcat(ptr, "|");
- }
- }
- free(nttlist);
- nttlist = ptr;
- break;
-
- case NTT_CHECK:
- if (nttlist == NULL) break;
- if (IsEmptyStr(nttlist)) break;
- for (i = 0; i < num_tokens(nttlist, '|'); ++i) {
- extract_token(buf, nttlist, i, '|', sizeof buf);
- if (!strcasecmp(buf, nodename)) ++retval;
- }
- break;
- }
-
- if (nttlist != NULL) lprintf(CTDL_DEBUG, "nttlist=<%s>\n", nttlist);
- end_critical_section(S_NTTLIST);
- return(retval);
-}
-
+#include "ctdl_module.h"
+#include "user_ops.h"
return;
}
for (a = 0; !IsEmptyStr(&filename[a]); ++a) {
- if (filename[a] == '/') {
+ if ( (filename[a] == '/') || (filename[a] == '\\') ) {
filename[a] = '_';
}
}
}
for (a = 0; !IsEmptyStr(&filename[a]); ++a) {
- if (filename[a] == '/') {
+ if ( (filename[a] == '/') || (filename[a] == '\\') ) {
filename[a] = '_';
}
}
return;
}
- if (getroom(&qrbuf, newroom) != 0) {
+ if (CtdlGetRoom(&qrbuf, newroom) != 0) {
cprintf("%d '%s' does not exist.\n", ERROR + ROOM_NOT_FOUND, newroom);
return;
}
/* this is a crude method of copying the file description */
snprintf(buf, sizeof buf,
- "cat ./files/%s/filedir |grep %s >>./files/%s/filedir",
+ "cat ./files/%s/filedir |grep \"%s\" >>./files/%s/filedir",
CC->room.QRdirname, filename, qrbuf.QRdirname);
system(buf);
cprintf("%d File '%s' has been moved.\n", CIT_OK, filename);
}
-/*
- * send a file over the net
- */
-void cmd_netf(char *cmdbuf)
-{
- char pathname[256], filename[256], destsys[256], buf[256];
- char outfile[256];
- int a, e;
- time_t now;
- FILE *ofp;
- static int seq = 1;
-
- extract_token(filename, cmdbuf, 0, '|', sizeof filename);
- extract_token(destsys, cmdbuf, 1, '|', sizeof destsys);
-
- if (CtdlAccessCheck(ac_room_aide)) return;
-
- if ((CC->room.QRflags & QR_DIRECTORY) == 0) {
- cprintf("%d No directory in this room.\n",
- ERROR + NOT_HERE);
- return;
- }
-
- if (IsEmptyStr(filename)) {
- cprintf("%d You must specify a file name.\n",
- ERROR + FILE_NOT_FOUND);
- return;
- }
-
- for (a = 0; !IsEmptyStr(&filename[a]); ++a) {
- if (filename[a] == '/') {
- filename[a] = '_';
- }
- }
- snprintf(pathname, sizeof pathname, "./files/%s/%s",
- CC->room.QRdirname, filename);
- if (access(pathname, 0) != 0) {
- cprintf("%d File '%s' not found.\n",
- ERROR + FILE_NOT_FOUND, pathname);
- return;
- }
- snprintf(buf, sizeof buf, "sysop@%s", destsys);
- e = alias(buf);
- if (e != MES_IGNET) {
- cprintf("%d No such system: '%s'\n",
- ERROR + NO_SUCH_SYSTEM, destsys);
- return;
- }
- snprintf(outfile, sizeof outfile,
- "%s/nsf.%04lx.%04x",
- ctdl_netin_dir,
- (long)getpid(), ++seq);
- ofp = fopen(outfile, "a");
- if (ofp == NULL) {
- cprintf("%d internal error\n", ERROR + INTERNAL_ERROR);
- return;
- }
-
- putc(255, ofp);
- putc(MES_NORMAL, ofp);
- putc(0, ofp);
- fprintf(ofp, "P%s", CC->user.fullname);
- putc(0, ofp);
- time(&now);
- fprintf(ofp, "T%ld", (long) now);
- putc(0, ofp);
- fprintf(ofp, "A%s", CC->user.fullname);
- putc(0, ofp);
- fprintf(ofp, "O%s", CC->room.QRname);
- putc(0, ofp);
- fprintf(ofp, "N%s", NODENAME);
- putc(0, ofp);
- fprintf(ofp, "D%s", destsys);
- putc(0, ofp);
- fprintf(ofp, "SFILE");
- putc(0, ofp);
- putc('M', ofp);
- fclose(ofp);
-
- snprintf(buf, sizeof buf,
- "cd %s/%s; uuencode %s <%s 2>/dev/null >>%s",
- ctdl_file_dir,
- /* FIXME: detect uuencode while installation? or inline */
- CC->room.QRdirname, filename, filename, outfile);
- system(buf);
-
- ofp = fopen(outfile, "a");
- putc(0, ofp);
- fclose(ofp);
-
- cprintf("%d File '%s' has been sent to %s.\n", CIT_OK, filename,
- destsys);
- /* FIXME start a network run here. */
- return;
-}
-
/*
* This code is common to all commands which open a file for downloading,
* regardless of whether it's a file from the directory, an image, a network
* It examines the file and displays the OK result code and some information
* about the file. NOTE: this stuff is Unix dependent.
*/
-void OpenCmdResult(char *filename, char *mime_type)
+void OpenCmdResult(char *filename, const char *mime_type)
{
struct stat statbuf;
time_t modtime;
long filesize;
fstat(fileno(CC->download_fp), &statbuf);
+ CC->download_fp_total = statbuf.st_size;
filesize = (long) statbuf.st_size;
modtime = (time_t) statbuf.st_mtime;
}
for (a = 0; !IsEmptyStr(&filename[a]); ++a) {
- if (filename[a] == '/') {
+ if ( (filename[a] == '/') || (filename[a] == '\\') ) {
filename[a] = '_';
}
}
{
char filename[256];
char pathname[PATH_MAX];
+ char MimeTestBuf[32];
struct ctdluser usbuf;
char which_user[USERNAME_SIZE];
int which_floor;
int a;
+ int rv;
extract_token(filename, cmdbuf, 0, '|', sizeof filename);
if (!strcasecmp(filename, "_userpic_")) {
extract_token(which_user, cmdbuf, 1, '|', sizeof which_user);
- if (getuser(&usbuf, which_user) != 0) {
+ if (CtdlGetUser(&usbuf, which_user) != 0) {
cprintf("%d No such user.\n",
ERROR + NO_SUCH_USER);
return;
}
snprintf(pathname, sizeof pathname,
- "%s/%ld.gif",
+ "%s/%ld",
ctdl_usrpic_dir,
usbuf.usernum);
} else if (!strcasecmp(filename, "_floorpic_")) {
which_floor = extract_int(cmdbuf, 1);
snprintf(pathname, sizeof pathname,
- "%s/floor.%d.gif",
+ "%s/floor.%d",
ctdl_image_dir, which_floor);
} else if (!strcasecmp(filename, "_roompic_")) {
assoc_file_name(pathname, sizeof pathname, &CC->room, ctdl_image_dir);
} else {
- for (a = 0; !IsEmptyStr(&filename[0]); ++a) {
+ for (a = 0; !IsEmptyStr(&filename[a]); ++a) {
filename[a] = tolower(filename[a]);
- if (filename[a] == '/') {
+ if ( (filename[a] == '/') || (filename[a] == '\\') ) {
filename[a] = '_';
}
}
snprintf(pathname, sizeof pathname,
- "%s/%s.gif",
+ "%s/%s",
ctdl_image_dir,
filename);
}
CC->download_fp = fopen(pathname, "rb");
+ if (CC->download_fp == NULL) {
+ strcat(pathname, ".gif");
+ CC->download_fp = fopen(pathname, "rb");
+ }
if (CC->download_fp == NULL) {
cprintf("%d Cannot open %s: %s\n",
ERROR + FILE_NOT_FOUND, pathname, strerror(errno));
return;
}
+ rv = fread(&MimeTestBuf[0], 1, 32, CC->download_fp);
+ if (rv == -1) {
+ cprintf("%d Cannot access %s: %s\n",
+ ERROR + FILE_NOT_FOUND, pathname, strerror(errno));
+ return;
+ }
- OpenCmdResult(pathname, "image/gif");
+ rewind (CC->download_fp);
+ OpenCmdResult(pathname, GuessMimeType(&MimeTestBuf[0], 32));
}
/*
int a;
extract_token(CC->upl_file, cmdbuf, 0, '|', sizeof CC->upl_file);
- extract_token(CC->upl_comment, cmdbuf, 1, '|', sizeof CC->upl_comment);
+ extract_token(CC->upl_mimetype, cmdbuf, 1, '|', sizeof CC->upl_mimetype);
+ extract_token(CC->upl_comment, cmdbuf, 2, '|', sizeof CC->upl_comment);
if (CtdlAccessCheck(ac_logged_in)) return;
}
for (a = 0; !IsEmptyStr(&CC->upl_file[a]); ++a) {
- if (CC->upl_file[a] == '/') {
+ if ( (CC->upl_file[a] == '/') || (CC->upl_file[a] == '\\') ) {
CC->upl_file[a] = '_';
}
}
}
is_this_for_real = extract_int(cmdbuf, 0);
- extract_token(basenm, cmdbuf, 1, '|', sizeof basenm);
+ extract_token(CC->upl_mimetype, cmdbuf, 1, '|', sizeof CC->upl_mimetype);
+ extract_token(basenm, cmdbuf, 2, '|', sizeof basenm);
if (CC->upload_fp != NULL) {
cprintf("%d You already have an upload file open.\n",
ERROR + RESOURCE_BUSY);
for (a = 0; !IsEmptyStr(&basenm[a]); ++a) {
basenm[a] = tolower(basenm[a]);
- if (basenm[a] == '/') {
+ if ( (basenm[a] == '/') || (basenm[a] == '\\') ) {
basenm[a] = '_';
}
}
- if (CC->user.axlevel >= 6) {
+ if (CC->user.axlevel >= AxAideU) {
snprintf(CC->upl_path, sizeof CC->upl_path,
"%s/%s",
ctdl_image_dir,
}
if ((!strcasecmp(basenm, "_floorpic_"))
- && (CC->user.axlevel >= 6)) {
+ && (CC->user.axlevel >= AxAideU)) {
which_floor = extract_int(cmdbuf, 2);
snprintf(CC->upl_path, sizeof CC->upl_path,
"%s/floor.%d.gif",
/*
* close the download file
*/
-void cmd_clos(void)
+void cmd_clos(char *cmdbuf)
{
char buf[256];
/*
* abort an upload
*/
-void abort_upl(struct CitContext *who)
+void abort_upl(CitContext *who)
{
if (who->upload_fp != NULL) {
fclose(who->upload_fp);
{
FILE *fp;
char upload_notice[512];
+ static int seq = 0;
if (CC->upload_fp == NULL) {
cprintf("%d You don't have an upload file open.\n", ERROR + RESOURCE_NOT_OPEN);
CC->upload_fp = NULL;
if ((!strcasecmp(cmd, "1")) && (CC->upload_type != UPL_FILE)) {
- CC->upload_type = UPL_FILE;
cprintf("%d Upload completed.\n", CIT_OK);
- /* FIXME ... here we need to trigger a network run */
+ if (CC->upload_type == UPL_NET) {
+ char final_filename[PATH_MAX];
+ snprintf(final_filename, sizeof final_filename,
+ "%s/%s.%04lx.%04x",
+ ctdl_netin_dir,
+ CC->net_node,
+ (long)getpid(),
+ ++seq
+ );
+
+ if (link(CC->upl_path, final_filename) == 0) {
+ unlink(CC->upl_path);
+ }
+ else {
+ syslog(LOG_ALERT, "Cannot link %s to %s: %s\n",
+ CC->upl_path, final_filename, strerror(errno)
+ );
+ }
+
+ /* FIXME ... here we need to trigger a network run */
+ }
+ CC->upload_type = UPL_FILE;
return;
}
fp = fopen(CC->upl_filedir, "w");
}
if (fp != NULL) {
- fprintf(fp, "%s %s\n", CC->upl_file,
+ fprintf(fp, "%s %s %s\n", CC->upl_file,
+ CC->upl_mimetype,
CC->upl_comment);
fclose(fp);
}
/* put together an upload notice */
snprintf(upload_notice, sizeof upload_notice,
- "NEW UPLOAD: '%s'\n %s\n",
- CC->upl_file, CC->upl_comment);
+ "NEW UPLOAD: '%s'\n %s\n%s\n",
+ CC->upl_file,
+ CC->upl_comment,
+ CC->upl_mimetype);
quickie_message(CC->curr_user, NULL, NULL, CC->room.QRname,
upload_notice, 0, NULL);
} else {
}
-
/*
* read from the download file
*/
{
long start_pos;
size_t bytes;
- size_t actual_bytes;
- char *buf = NULL;
+ char buf[SIZ];
+ /* The client will transmit its requested offset and byte count */
start_pos = extract_long(cmdbuf, 0);
bytes = extract_int(cmdbuf, 1);
return;
}
- if (bytes > 100000) bytes = 100000;
- buf = malloc(bytes + 1);
+ /* If necessary, reduce the byte count to the size of our buffer */
+ if (bytes > sizeof(buf)) {
+ bytes = sizeof(buf);
+ }
fseek(CC->download_fp, start_pos, 0);
- actual_bytes = fread(buf, 1, bytes, CC->download_fp);
- cprintf("%d %d\n", BINARY_FOLLOWS, (int)actual_bytes);
- client_write(buf, actual_bytes);
- free(buf);
+ bytes = fread(buf, 1, bytes, CC->download_fp);
+ if (bytes > 0) {
+ /* Tell the client the actual byte count and transmit it */
+ cprintf("%d %d\n", BINARY_FOLLOWS, (int)bytes);
+ client_write(buf, bytes);
+ }
+ else {
+ cprintf("%d %s\n", ERROR, strerror(errno));
+ }
}
-
/*
* write to the upload file
*/
{
int bytes;
char *buf;
+ int rv;
unbuffer_output();
}
if (bytes > 100000) {
- cprintf("%d You may not write more than 100000 bytes.\n",
- ERROR + TOO_BIG);
- return;
+ bytes = 100000;
}
cprintf("%d %d\n", SEND_BINARY, bytes);
buf = malloc(bytes + 1);
client_read(buf, bytes);
- fwrite(buf, bytes, 1, CC->upload_fp);
+ rv = fwrite(buf, bytes, 1, CC->upload_fp);
+ if (rv == -1) {
+ syslog(LOG_EMERG, "Couldn't write: %s\n",
+ strerror(errno));
+ }
free(buf);
}
CC->dl_is_net = 1;
stat(pathname, &statbuf);
+ CC->download_fp_total = statbuf.st_size;
cprintf("%d %ld\n", CIT_OK, (long)statbuf.st_size);
}
snprintf(CC->upl_path, sizeof CC->upl_path,
"%s/%s.%04lx.%04x",
- ctdl_netin_dir,
+ ctdl_nettmp_dir,
CC->net_node,
(long)getpid(),
++seq);
CC->upload_type = UPL_NET;
cprintf("%d Ok\n", CIT_OK);
}
+
+
+/*****************************************************************************/
+/* MODULE INITIALIZATION STUFF */
+/*****************************************************************************/
+
+CTDL_MODULE_INIT(file_ops)
+{
+ if (!threading) {
+
+ CtdlRegisterProtoHook(cmd_delf, "DELF", "Delete a file");
+ CtdlRegisterProtoHook(cmd_movf, "MOVF", "Move a file");
+ CtdlRegisterProtoHook(cmd_open, "OPEN", "Open a download file transfer");
+ CtdlRegisterProtoHook(cmd_clos, "CLOS", "Close a download file transfer");
+ CtdlRegisterProtoHook(cmd_uopn, "UOPN", "Open an upload file transfer");
+ CtdlRegisterProtoHook(cmd_ucls, "UCLS", "Close an upload file transfer");
+ CtdlRegisterProtoHook(cmd_read, "READ", "File transfer read operation");
+ CtdlRegisterProtoHook(cmd_writ, "WRIT", "File transfer write operation");
+ CtdlRegisterProtoHook(cmd_ndop, "NDOP", "Open a network spool file for download");
+ CtdlRegisterProtoHook(cmd_nuop, "NUOP", "Open a network spool file for upload");
+ CtdlRegisterProtoHook(cmd_oimg, "OIMG", "Open an image file for download");
+ CtdlRegisterProtoHook(cmd_uimg, "UIMG", "Upload an image file");
+ }
+ /* return our Subversion id for the Log */
+ return "file_ops";
+}