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tar et al: die if bb_copyfd_size copies less than asked for.

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(we have bb_copyfd_exact_size now for that kind of usage)
This commit is contained in:
Denis Vlasenko
2006-12-22 00:21:07 +00:00
parent 0a8a774179
commit 714701c890
13 changed files with 84 additions and 65 deletions
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29
networking/ftpgetput.c
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@@ -22,8 +22,8 @@ typedef struct ftp_host_info_s {
struct sockaddr_in *s_in;
} ftp_host_info_t;
static char verbose_flag = 0;
static char do_continue = 0;
static char verbose_flag;
static char do_continue;
static int ftpcmd(const char *s1, const char *s2, FILE *stream, char *buf)
{
@@ -112,7 +112,9 @@ int ftp_receive(ftp_host_info_t *server, FILE *control_stream,
const char *local_path, char *server_path)
{
char buf[512];
off_t filesize = 0;
/* I think 'filesize' usage here is bogus. Let's see... */
//off_t filesize = -1;
#define filesize ((off_t)-1)
int fd_data;
int fd_local = -1;
off_t beg_range = 0;
@@ -124,11 +126,10 @@ int ftp_receive(ftp_host_info_t *server, FILE *control_stream,
fd_data = xconnect_ftpdata(server, buf);
if (ftpcmd("SIZE ", server_path, control_stream, buf) == 213) {
filesize = BB_STRTOOFF(buf + 4, NULL, 10);
if (errno || filesize < 0)
bb_error_msg_and_die("SIZE error: %s", buf + 4);
//filesize = BB_STRTOOFF(buf + 4, NULL, 10);
//if (errno || filesize < 0)
// bb_error_msg_and_die("SIZE error: %s", buf + 4);
} else {
filesize = -1;
do_continue = 0;
}
@@ -154,7 +155,8 @@ int ftp_receive(ftp_host_info_t *server, FILE *control_stream,
if (ftpcmd(buf, NULL, control_stream, buf) != 350) {
do_continue = 0;
} else {
filesize -= beg_range;
//if (filesize != -1)
// filesize -= beg_range;
}
}
@@ -173,11 +175,11 @@ int ftp_receive(ftp_host_info_t *server, FILE *control_stream,
/* Copy the file */
if (filesize != -1) {
if (-1 == bb_copyfd_size(fd_data, fd_local, filesize))
exit(EXIT_FAILURE);
if (bb_copyfd_size(fd_data, fd_local, filesize) == -1)
return EXIT_FAILURE;
} else {
if (-1 == bb_copyfd_eof(fd_data, fd_local))
exit(EXIT_FAILURE);
if (bb_copyfd_eof(fd_data, fd_local) == -1)
return EXIT_FAILURE;
}
/* close it all down */
@@ -277,14 +279,11 @@ int ftpgetput_main(int argc, char **argv)
/* content-length of the file */
unsigned opt;
char *port = "ftp";
/* socket to ftp server */
FILE *control_stream;
struct sockaddr_in s_in;
/* continue a prev transfer (-c) */
ftp_host_info_t *server;
int (*ftp_action)(ftp_host_info_t *, FILE *, const char *, char *) = NULL;
/* Check to see if the command is ftpget or ftput */