int print_working_directory(int command_socket)
{
char message[] = "PWD\n";
int length = strlen(message);
char buf[DATA_SIZE];
int bytes = 0;
if (send(command_socket, message, strlen(message), 0) == -1)
{
perror("Could not send PWD command to the server!\n");
return -1;
}
if ((bytes = recv(command_socket, buf, DATA_SIZE -1, 0)) == -1)
{
perror("recv");
return -1;
}
if (parse_response_code(getFTPresponse_code(buf)) != PWD_ACCEPT)
{
printf("Server did not accept PWD command!\n");
return -1;
}
printf("%s", buf);
return 0;
}
int pasv_request(int command_socket, char *pasv_response, int buffer_size)
{
char message[] = "PASV\n";
char buf[DATA_SIZE];
int bytes = 0;
if (send(command_socket, message, strlen(message), 0) == -1)
{
perror("send");
return -1;
}
if ((bytes = recv(command_socket, buf, DATA_SIZE - 1, 0)) == -1)
{
perror("recv");
return -1;
}
buf[bytes] = '\0';
printf("%s\n", buf);
// The server return the code 227 if it accept the PASV request
if (parse_response_code(getFTPresponse_code(buf)) != PASV_SUCCESS)
{
printf("PASV request not accepted!\n");
return -1;
}
strncpy(pasv_response, buf, buffer_size);
return 1;
}
int change_directory(int command_socket, char *path)
{
char message[100] = "CWD ";
strcat(message, path);
int length = strlen(message);
message[length] = '\n';
message[length + 1] = '\0';
char buf[DATA_SIZE];
int bytes = 0;
if (send(command_socket, message, strlen(message), 0) == -1)
{
perror("Could not send CWD command to server!\n");
return -1;
}
if ((bytes = recv(command_socket, buf, DATA_SIZE -1, 0) == -1))
{
perror("recv");
return -1;
}
if (parse_response_code(getFTPresponse_code(buf)) != REQUEST_ACCEPTED)
{
printf("Server rejected CWD command!\n");
return -1;
}
return 0;
}
static int get_cmd_result(struct imap_store *ctx, struct imap_cmd *tcmd)
{
struct imap *imap = ctx->imap;
struct imap_cmd *cmdp, **pcmdp;
char *cmd, *arg, *arg1;
int n, resp, resp2, tag;
for (;;) {
if (buffer_gets(&imap->buf, &cmd))
return RESP_BAD;
arg = next_arg(&cmd);
if (*arg == '*') {
arg = next_arg(&cmd);
if (!arg) {
fprintf(stderr, "IMAP error: unable to parse untagged response\n");
return RESP_BAD;
}
if (!strcmp("NAMESPACE", arg)) {
/* rfc2342 NAMESPACE response. */
skip_list(&cmd); /* Personal mailboxes */
skip_list(&cmd); /* Others' mailboxes */
skip_list(&cmd); /* Shared mailboxes */
} else if (!strcmp("OK", arg) || !strcmp("BAD", arg) ||
!strcmp("NO", arg) || !strcmp("BYE", arg)) {
if ((resp = parse_response_code(ctx, NULL, cmd)) != RESP_OK)
return resp;
} else if (!strcmp("CAPABILITY", arg)) {
parse_capability(imap, cmd);
} else if ((arg1 = next_arg(&cmd))) {
; /*
* Unhandled response-data with at least two words.
* Ignore it.
*
* NEEDSWORK: Previously this case handled '<num> EXISTS'
* and '<num> RECENT' but as a probably-unintended side
* effect it ignores other unrecognized two-word
* responses. imap-send doesn't ever try to read
* messages or mailboxes these days, so consider
* eliminating this case.
*/
} else {
fprintf(stderr, "IMAP error: unable to parse untagged response\n");
return RESP_BAD;
}
} else if (!imap->in_progress) {
fprintf(stderr, "IMAP error: unexpected reply: %s %s\n", arg, cmd ? cmd : "");
return RESP_BAD;
} else if (*arg == '+') {
/* This can happen only with the last command underway, as
it enforces a round-trip. */
cmdp = (struct imap_cmd *)((char *)imap->in_progress_append -
offsetof(struct imap_cmd, next));
if (cmdp->cb.data) {
n = socket_write(&imap->buf.sock, cmdp->cb.data, cmdp->cb.dlen);
free(cmdp->cb.data);
cmdp->cb.data = NULL;
if (n != (int)cmdp->cb.dlen)
return RESP_BAD;
} else if (cmdp->cb.cont) {
if (cmdp->cb.cont(ctx, cmdp, cmd))
return RESP_BAD;
} else {
fprintf(stderr, "IMAP error: unexpected command continuation request\n");
return RESP_BAD;
}
if (socket_write(&imap->buf.sock, "\r\n", 2) != 2)
return RESP_BAD;
if (!cmdp->cb.cont)
imap->literal_pending = 0;
if (!tcmd)
return DRV_OK;
} else {
