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mirror of https://git.tartarus.org/simon/putty.git synced 2025-07-02 03:52:49 -05:00

SFTP client now successfully handles cd, ls, get and put.

[originally from svn r939]
This commit is contained in:
Simon Tatham
2001-02-24 12:02:35 +00:00
parent 48b988b439
commit 094dd30d95
3 changed files with 70 additions and 23 deletions

65
psftp.c
View File

@ -4,8 +4,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <assert.h>
#include <unistd.h>
#include "sftp.h"
#include "int64.h"
@ -25,6 +25,39 @@ char *dupstr(char *s) {
return p;
}
/* Allocate the concatenation of N strings. Terminate arg list with NULL. */
char *dupcat(char *s1, ...) {
int len;
char *p, *q, *sn;
va_list ap;
len = strlen(s1);
va_start(ap, s1);
while (1) {
sn = va_arg(ap, char *);
if (!sn)
break;
len += strlen(sn);
}
va_end(ap);
p = smalloc(len+1);
strcpy(p, s1);
q = p + strlen(p);
va_start(ap, s1);
while (1) {
sn = va_arg(ap, char *);
if (!sn)
break;
strcpy(q, sn);
q += strlen(q);
}
va_end(ap);
return p;
}
/* ----------------------------------------------------------------------
* sftp client state.
*/
@ -36,13 +69,23 @@ char *pwd, *homedir;
*/
/*
* Canonify a pathname starting from the pwd.
* Attempt to canonify a pathname starting from the pwd. If
* canonification fails, at least fall back to returning a _valid_
* pathname (though it may be ugly, eg /home/simon/../foobar).
*/
char *canonify(char *name) {
if (name[0] == '/')
return fxp_realpath(name, NULL);
else
return fxp_realpath(pwd, name);
char *fullname, *canonname;
if (name[0] == '/') {
fullname = dupstr(name);
} else {
fullname = dupcat(pwd, "/", name, NULL);
}
canonname = fxp_realpath(name);
if (canonname) {
sfree(fullname);
return canonname;
} else
return fullname;
}
/* ----------------------------------------------------------------------
@ -158,7 +201,7 @@ int sftp_cmd_cd(struct sftp_command *cmd) {
char *dir;
if (cmd->nwords < 2)
dir = fxp_realpath(".", NULL);
dir = dupstr(homedir);
else
dir = canonify(cmd->words[1]);
@ -278,7 +321,7 @@ int sftp_cmd_put(struct sftp_command *cmd) {
fname = cmd->words[1];
origoutfname = (cmd->nwords == 2 ? cmd->words[1] : cmd->words[2]);
outfname = canonify(origoutfname);
~|~ if (!outfname) {
if (!outfname) {
printf("%s: %s\n", origoutfname, fxp_error());
return 0;
}
@ -309,14 +352,14 @@ int sftp_cmd_put(struct sftp_command *cmd) {
char buffer[4096];
int len;
len = fread(buffer, 1, len, fp);
len = fread(buffer, 1, sizeof(buffer), fp);
if (len == -1) {
printf("error while reading local file\n");
break;
} else if (len == 0) {
break;
}
if (!fxp_write(fh, buffer, offset, sizeof(buffer))) {
if (!fxp_write(fh, buffer, offset, len)) {
printf("error while writing: %s\n", fxp_error());
break;
}
@ -474,7 +517,7 @@ void do_sftp(void) {
/*
* Find out where our home directory is.
*/
homedir = fxp_realpath(".", NULL);
homedir = fxp_realpath(".");
if (!homedir) {
fprintf(stderr,
"Warning: failed to resolve home directory: %s\n",