lib/libssh
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Fix ssh_write_knownhost() if ~/.ssh doesn't exist.

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This commit is contained in:
Andreas Schneider
2009-08-26 09:39:21 +02:00
parent 4aa7d73b43
commit d9a50f04e7
1 changed files with 22 additions and 3 deletions
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25
libssh/keyfiles.c
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@@ -22,12 +22,14 @@
* MA 02111-1307, USA. * MA 02111-1307, USA.
*/ */
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <errno.h>
#include <stdlib.h> #include <stdlib.h>
#include <fcntl.h>
#include <ctype.h>
#ifndef _WIN32 #ifndef _WIN32
#include <arpa/inet.h> #include <arpa/inet.h>
@@ -1446,6 +1448,7 @@ int ssh_write_knownhost(SSH_SESSION *session) {
unsigned char *pubkey_64; unsigned char *pubkey_64;
char buffer[4096] = {0}; char buffer[4096] = {0};
FILE *file; FILE *file;
char *dir;
size_t len = 0; size_t len = 0;
if (ssh_options_default_known_hosts_file(session->options) < 0) { if (ssh_options_default_known_hosts_file(session->options) < 0) {
@@ -1459,6 +1462,22 @@ int ssh_write_knownhost(SSH_SESSION *session) {
return -1; return -1;
} }
/* Check if ~/.ssh exists and create it if not */
dir = ssh_dirname(session->options->known_hosts_file);
if (dir == NULL) {
ssh_set_error(session, SSH_FATAL, "%s", strerror(errno));
return -1;
}
if (! ssh_file_readaccess_ok(dir)) {
if (mkdir(dir, 0700) < 0) {
ssh_set_error(session, SSH_FATAL,
"Cannot create %s directory.", dir);
SAFE_FREE(dir);
return -1;
}
}
SAFE_FREE(dir);
file = fopen(session->options->known_hosts_file, "a"); file = fopen(session->options->known_hosts_file, "a");
if (file == NULL) { if (file == NULL) {
ssh_set_error(session, SSH_FATAL, ssh_set_error(session, SSH_FATAL,