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Improve sftp_handle_alloc.

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git-svn-id: svn+ssh://svn.berlios.de/svnroot/repos/libssh/trunk@628 7dcaeef0-15fb-0310-b436-a5af3365683c
This commit is contained in:
Andreas Schneider
2009-04-27 11:59:14 +00:00
parent bf312c50a9
commit 315e5aca84
1 changed files with 34 additions and 21 deletions
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55
libssh/sftpserver.c
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@@ -412,32 +412,45 @@ int sftp_reply_data(SFTP_CLIENT_MESSAGE *msg, const void *data, int len) {
return 0; return 0;
} }
/* this function will return you a new handle to give the client. /*
* This function will return you a new handle to give the client.
* the function accepts an info that can be retrieved later with * the function accepts an info that can be retrieved later with
* the handle. Care is given that a corrupted handle won't give a * the handle. Care is given that a corrupted handle won't give a
* valid info (or worse). */ * valid info (or worse).
STRING *sftp_handle_alloc(SFTP_SESSION *sftp, void *info){ */
int i; STRING *sftp_handle_alloc(SFTP_SESSION *sftp, void *info) {
u32 val; STRING *ret;
STRING *ret; u32 val;
int i;
if (sftp->handles == NULL) {
sftp->handles = malloc(sizeof(void *) * SFTP_HANDLES);
if (sftp->handles == NULL) { if (sftp->handles == NULL) {
sftp->handles = malloc(sizeof(void *) * SFTP_HANDLES); return NULL;
if (sftp->handles == NULL) {
return NULL;
}
memset(sftp->handles,0,sizeof(void *)*SFTP_HANDLES);
} }
for(i=0; i<SFTP_HANDLES;++i) memset(sftp->handles, 0, sizeof(void *) * SFTP_HANDLES);
if(!sftp->handles[i]) }
break;
if(i==SFTP_HANDLES) for (i = 0; i < SFTP_HANDLES; i++) {
return NULL; // no handle available if (sftp->handles[i] == NULL) {
val=i; break;
ret=string_new(4); }
memcpy(ret->string,&val,sizeof(u32)); }
sftp->handles[i]=info;
return ret; if (i == SFTP_HANDLES) {
return NULL; /* no handle available */
}
val = i;
ret = string_new(4);
if (ret == NULL) {
return NULL;
}
memcpy(ret->string, &val, sizeof(u32));
sftp->handles[i] = info;
return ret;
} }
void *sftp_handle(SFTP_SESSION *sftp, STRING *handle){ void *sftp_handle(SFTP_SESSION *sftp, STRING *handle){