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examples: Replace strcpy with snprintf

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This allows the libssh to build with more memory-strict compliers.

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
This commit is contained in:
Jakub Jelen
2023-01-11 17:34:01 +01:00
parent 254ec093ff
commit 8e1d6e4567
1 changed files with 2 additions and 6 deletions
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8
examples/sample_sftpserver.c
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@ -659,7 +659,6 @@ static int process_readdir(sftp_client_message client_msg)
DIR *dir = NULL;
char long_path[PATH_MAX];
int path_length;
int srclen;
char *handle_name;
@ -692,9 +691,6 @@ static int process_readdir(sftp_client_message client_msg)
sftp_reply_status(client_msg, SSH_FX_INVALID_HANDLE, NULL);
return SSH_ERROR;
}
strncpy(long_path, handle_name, PATH_MAX - strlen(long_path) - 1);
strncat(long_path, "/", PATH_MAX - strlen(long_path) - 1);
path_length = (int)strlen(long_path);
for (int i = 0; i < MAX_ENTRIES_NUM_IN_PACKET; i++)
{
@ -706,13 +702,13 @@ static int process_readdir(sftp_client_message client_msg)
struct stat st;
char long_name[MAX_LONG_NAME_LEN];
if (strlen(dentry->d_name) + path_length + 1 >= PATH_MAX)
if (strlen(dentry->d_name) + srclen + 1 >= PATH_MAX)
{
printf("handle string length exceed max length!\n");
sftp_reply_status(client_msg, SSH_FX_INVALID_HANDLE, NULL);
return SSH_ERROR;
}
strncpy(&long_path[path_length], dentry->d_name, strlen(dentry->d_name) + 1);
snprintf(long_path, PATH_MAX, "%s/%s", handle_name, dentry->d_name);
if (lstat(long_path, &st) == 0)
{