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authorDenis Vlasenko2009-03-17 12:23:24 +0000
committerDenis Vlasenko2009-03-17 12:23:24 +0000
commitedb0de4283e00bbf930af689a90d8ae01c6b017b (patch)
treebc6cfab3e84d3217f199a4401a21a57ef77f82bb /networking/ftpd.c
parente6c94a611a9f2602caeaec49eccb5a63b1877c61 (diff)
downloadbusybox-edb0de4283e00bbf930af689a90d8ae01c6b017b.zip
busybox-edb0de4283e00bbf930af689a90d8ae01c6b017b.tar.gz
ftpd: implement -vv verbosity
function old new delta ftpd_main 2097 2190 +93 verbose_log - 33 +33 cmdio_write_raw 12 34 +22 cmdio_write_ok 25 45 +20 cmdio_write_error 25 45 +20 cmdio_write 62 78 +16 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 5/0 up/down: 204/0) Total: 204 bytes
Diffstat (limited to 'networking/ftpd.c')
-rw-r--r--networking/ftpd.c40
1 files changed, 31 insertions, 9 deletions
diff --git a/networking/ftpd.c b/networking/ftpd.c
index 583d7b3..c932497 100644
--- a/networking/ftpd.c
+++ b/networking/ftpd.c
@@ -89,6 +89,7 @@ struct globals {
int local_file_fd;
unsigned end_time;
unsigned timeout;
+ unsigned verbose;
off_t local_file_pos;
off_t restart_pos;
len_and_sockaddr *local_addr;
@@ -158,6 +159,12 @@ replace_char(char *str, char from, char to)
return p - str;
}
+static void
+verbose_log(const char *str)
+{
+ bb_error_msg("%.*s", (int)strcspn(str, "\r\n"), str);
+}
+
/* NB: status_str is char[4] packed into uint32_t */
static void
cmdio_write(uint32_t status_str, const char *str)
@@ -174,6 +181,8 @@ cmdio_write(uint32_t status_str, const char *str)
response[len++] = '\n'; /* tack on trailing '\n' */
xwrite(STDOUT_FILENO, response, len);
+ if (G.verbose > 1)
+ verbose_log(response);
free(response);
}
@@ -182,6 +191,8 @@ cmdio_write_ok(unsigned status)
{
*(uint32_t *) G.msg_ok = status;
xwrite(STDOUT_FILENO, G.msg_ok, sizeof("NNN " MSG_OK) - 1);
+ if (G.verbose > 1)
+ verbose_log(G.msg_ok);
}
#define WRITE_OK(a) cmdio_write_ok(STRNUM32sp(a))
@@ -191,6 +202,8 @@ cmdio_write_error(unsigned status)
{
*(uint32_t *) G.msg_err = status;
xwrite(STDOUT_FILENO, G.msg_err, sizeof("NNN " MSG_ERR) - 1);
+ if (G.verbose > 1)
+ verbose_log(G.msg_err);
}
#define WRITE_ERR(a) cmdio_write_error(STRNUM32sp(a))
@@ -198,6 +211,8 @@ static void
cmdio_write_raw(const char *p_text)
{
xwrite_str(STDOUT_FILENO, p_text);
+ if (G.verbose > 1)
+ verbose_log(p_text);
}
static void
@@ -885,10 +900,11 @@ cmdio_get_cmd_and_arg(void)
/* Trailing '\n' is already stripped, strip '\r' */
len = strlen(cmd) - 1;
- while ((ssize_t)len >= 0 && cmd[len] == '\r') {
- cmd[len] = '\0';
- len--;
- }
+ if ((ssize_t)len >= 0 && cmd[len] == '\r')
+ cmd[len--] = '\0';
+
+ if (G.verbose > 1)
+ bb_error_msg("%s", cmd);
G.ftp_arg = strchr(cmd, ' ');
if (G.ftp_arg != NULL)
@@ -953,8 +969,8 @@ int ftpd_main(int argc, char **argv)
abs_timeout = 1 * 60 * 60;
G.timeout = 2 * 60;
- opt_complementary = "t+:T+";
- opts = getopt32(argv, "l1vS" USE_FEATURE_FTP_WRITE("w") "t:T:", &G.timeout, &abs_timeout);
+ opt_complementary = "t+:T+:vv";
+ opts = getopt32(argv, "l1vS" USE_FEATURE_FTP_WRITE("w") "t:T:", &G.timeout, &abs_timeout, &G.verbose);
if (opts & (OPT_l|OPT_1)) {
/* Our secret backdoor to ls */
memset(&G, 0, sizeof(G));
@@ -964,9 +980,13 @@ int ftpd_main(int argc, char **argv)
argv[2] = (char*)"--";
return ls_main(argc, argv);
}
- G.end_time = monotonic_sec() + abs_timeout;
- if (G.timeout > abs_timeout)
- G.timeout = abs_timeout + 1;
+ if (abs_timeout | G.timeout) {
+ if (abs_timeout == 0)
+ abs_timeout = INT_MAX;
+ G.end_time = monotonic_sec() + abs_timeout;
+ if (G.timeout > abs_timeout)
+ G.timeout = abs_timeout;
+ }
strcpy(G.msg_ok + 4, MSG_OK );
strcpy(G.msg_err + 4, MSG_ERR);
@@ -988,6 +1008,8 @@ int ftpd_main(int argc, char **argv)
openlog(applet_name, LOG_PID | LOG_NDELAY, LOG_DAEMON);
logmode |= LOGMODE_SYSLOG;
}
+ if (logmode)
+ applet_name = xasprintf("%s[%u]", applet_name, (int)getpid());
G.proc_self_fd = xopen("/proc/self", O_RDONLY | O_DIRECTORY);