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Add a configuration option for TCP keepalives (SO_KEEPALIVE), default off.
[u/mdw/putty]
/
psftp.c
diff --git
a/psftp.c
b/psftp.c
index
d395b6f
..
10056bd
100644
(file)
--- a/
psftp.c
+++ b/
psftp.c
@@
-1,5
+1,5
@@
/*
/*
- * psftp.c: front end for PSFTP.
+ * psftp.c:
(platform-independent)
front end for PSFTP.
*/
#include <stdio.h>
*/
#include <stdio.h>
@@
-25,6
+25,7
@@
static int psftp_connect(char *userhost, char *user, int portnumber);
static int do_sftp_init(void);
static int psftp_connect(char *userhost, char *user, int portnumber);
static int do_sftp_init(void);
+void do_sftp_cleanup();
/* ----------------------------------------------------------------------
* sftp client state.
/* ----------------------------------------------------------------------
* sftp client state.
@@
-1013,6
+1014,8
@@
int sftp_cmd_chmod(struct sftp_command *cmd)
static int sftp_cmd_open(struct sftp_command *cmd)
{
static int sftp_cmd_open(struct sftp_command *cmd)
{
+ int portnumber;
+
if (back != NULL) {
printf("psftp: already connected\n");
return 0;
if (back != NULL) {
printf("psftp: already connected\n");
return 0;
@@
-1023,7
+1026,16
@@
static int sftp_cmd_open(struct sftp_command *cmd)
return 0;
}
return 0;
}
- if (psftp_connect(cmd->words[1], NULL, 0)) {
+ if (cmd->nwords > 2) {
+ portnumber = atoi(cmd->words[2]);
+ if (portnumber == 0) {
+ printf("open: invalid port number\n");
+ return 0;
+ }
+ } else
+ portnumber = 0;
+
+ if (psftp_connect(cmd->words[1], NULL, portnumber)) {
back = NULL; /* connection is already closed */
return -1; /* this is fatal */
}
back = NULL; /* connection is already closed */
return -1; /* this is fatal */
}
@@
-1215,7
+1227,7
@@
static struct sftp_cmd_lookup {
},
{
"open", TRUE, "connect to a host",
},
{
"open", TRUE, "connect to a host",
- " [<user>@]<hostname>\n"
+ " [<user>@]<hostname>
[<port>]
\n"
" Establishes an SFTP connection to a given host. Only usable\n"
" when you did not already specify a host name on the command\n"
" line.\n",
" Establishes an SFTP connection to a given host. Only usable\n"
" when you did not already specify a host name on the command\n"
" line.\n",
@@
-1404,8
+1416,8
@@
struct sftp_command *sftp_getcmd(FILE *fp, int mode, int modeflags)
*/
cmd->nwords = cmd->wordssize = 2;
cmd->words = sresize(cmd->words, cmd->wordssize, char *);
*/
cmd->nwords = cmd->wordssize = 2;
cmd->words = sresize(cmd->words, cmd->wordssize, char *);
- cmd->words[0] =
"!"
;
- cmd->words[1] =
p+1
;
+ cmd->words[0] =
dupstr("!")
;
+ cmd->words[1] =
dupstr(p+1)
;
} else {
/*
} else {
/*
@@
-1448,10
+1460,11
@@
struct sftp_command *sftp_getcmd(FILE *fp, int mode, int modeflags)
cmd->wordssize = cmd->nwords + 16;
cmd->words = sresize(cmd->words, cmd->wordssize, char *);
}
cmd->wordssize = cmd->nwords + 16;
cmd->words = sresize(cmd->words, cmd->wordssize, char *);
}
- cmd->words[cmd->nwords++] =
q
;
+ cmd->words[cmd->nwords++] =
dupstr(q)
;
}
}
}
}
+ sfree(line);
/*
* Now parse the first word and assign a function.
*/
/*
* Now parse the first word and assign a function.
*/
@@
-1504,6
+1517,25
@@
static int do_sftp_init(void)
return 0;
}
return 0;
}
+void do_sftp_cleanup()
+{
+ char ch;
+ if (back) {
+ back->special(backhandle, TS_EOF);
+ sftp_recvdata(&ch, 1);
+ back->free(backhandle);
+ sftp_cleanup_request();
+ }
+ if (pwd) {
+ sfree(pwd);
+ pwd = NULL;
+ }
+ if (homedir) {
+ sfree(homedir);
+ homedir = NULL;
+ }
+}
+
void do_sftp(int mode, int modeflags, char *batchfile)
{
FILE *fp;
void do_sftp(int mode, int modeflags, char *batchfile)
{
FILE *fp;
@@
-1522,7
+1554,15
@@
void do_sftp(int mode, int modeflags, char *batchfile)
cmd = sftp_getcmd(stdin, 0, 0);
if (!cmd)
break;
cmd = sftp_getcmd(stdin, 0, 0);
if (!cmd)
break;
- if (cmd->obey(cmd) < 0)
+ ret = cmd->obey(cmd);
+ if (cmd->words) {
+ int i;
+ for(i = 0; i < cmd->nwords; i++)
+ sfree(cmd->words[i]);
+ sfree(cmd->words);
+ }
+ sfree(cmd);
+ if (ret < 0)
break;
}
} else {
break;
}
} else {
@@
-1714,7
+1754,7
@@
int sftp_recvdata(char *buf, int len)
}
int sftp_senddata(char *buf, int len)
{
}
int sftp_senddata(char *buf, int len)
{
- back->send(backhandle,
(unsigned char *)
buf, len);
+ back->send(backhandle, buf, len);
return 1;
}
return 1;
}
@@
-1725,7
+1765,7
@@
static void usage(void)
{
printf("PuTTY Secure File Transfer (SFTP) client\n");
printf("%s\n", ver);
{
printf("PuTTY Secure File Transfer (SFTP) client\n");
printf("%s\n", ver);
- printf("Usage: psftp [options]
user@
host\n");
+ printf("Usage: psftp [options]
[user@]
host\n");
printf("Options:\n");
printf(" -b file use specified batchfile\n");
printf(" -bc output batchfile commands\n");
printf("Options:\n");
printf(" -b file use specified batchfile\n");
printf(" -bc output batchfile commands\n");
@@
-1739,9
+1779,16
@@
static void usage(void)
printf(" -C enable compression\n");
printf(" -i key private key file for authentication\n");
printf(" -batch disable all interactive prompts\n");
printf(" -C enable compression\n");
printf(" -i key private key file for authentication\n");
printf(" -batch disable all interactive prompts\n");
+ printf(" -V print version information\n");
cleanup_exit(1);
}
cleanup_exit(1);
}
+static void version(void)
+{
+ printf("psftp: %s\n", ver);
+ cleanup_exit(1);
+}
+
/*
* Connect to a host.
*/
/*
* Connect to a host.
*/
@@
-1892,7
+1939,8
@@
static int psftp_connect(char *userhost, char *user, int portnumber)
back = &ssh_backend;
back = &ssh_backend;
- err = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port, &realhost,0);
+ err = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port, &realhost,
+ 0, cfg.tcp_keepalives);
if (err != NULL) {
fprintf(stderr, "ssh_init: %s\n", err);
return 1;
if (err != NULL) {
fprintf(stderr, "ssh_init: %s\n", err);
return 1;
@@
-1908,6
+1956,8
@@
static int psftp_connect(char *userhost, char *user, int portnumber)
}
if (verbose && realhost != NULL)
printf("Connected to %s\n", realhost);
}
if (verbose && realhost != NULL)
printf("Connected to %s\n", realhost);
+ if (realhost != NULL)
+ sfree(realhost);
return 0;
}
return 0;
}
@@
-1968,6
+2018,8
@@
int psftp_main(int argc, char *argv[])
} else if (strcmp(argv[i], "-h") == 0 ||
strcmp(argv[i], "-?") == 0) {
usage();
} else if (strcmp(argv[i], "-h") == 0 ||
strcmp(argv[i], "-?") == 0) {
usage();
+ } else if (strcmp(argv[i], "-V") == 0) {
+ version();
} else if (strcmp(argv[i], "-batch") == 0) {
console_batch_mode = 1;
} else if (strcmp(argv[i], "-b") == 0 && i + 1 < argc) {
} else if (strcmp(argv[i], "-batch") == 0) {
console_batch_mode = 1;
} else if (strcmp(argv[i], "-b") == 0 && i + 1 < argc) {
@@
-1993,13
+2045,16
@@
int psftp_main(int argc, char *argv[])
* it now.
*/
if (userhost) {
* it now.
*/
if (userhost) {
- if (psftp_connect(userhost, user, portnumber))
+ int ret;
+ ret = psftp_connect(userhost, user, portnumber);
+ sfree(userhost);
+ if (ret)
return 1;
if (do_sftp_init())
return 1;
} else {
printf("psftp: no hostname specified; use \"open host.name\""
return 1;
if (do_sftp_init())
return 1;
} else {
printf("psftp: no hostname specified; use \"open host.name\""
- " to connect\n");
+
" to connect\n");
}
do_sftp(mode, modeflags, batchfile);
}
do_sftp(mode, modeflags, batchfile);
@@
-2010,6
+2065,12
@@
int psftp_main(int argc, char *argv[])
sftp_recvdata(&ch, 1);
}
random_save_seed();
sftp_recvdata(&ch, 1);
}
random_save_seed();
+ cmdline_cleanup();
+ console_provide_logctx(NULL);
+ do_sftp_cleanup();
+ backhandle = NULL;
+ back = NULL;
+ sk_cleanup();
return 0;
}
return 0;
}