diff options
Diffstat (limited to 'Src/Modules/zftp.c')
| -rw-r--r-- | Src/Modules/zftp.c | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/Src/Modules/zftp.c b/Src/Modules/zftp.c index db7afcbe7..b31c522b4 100644 --- a/Src/Modules/zftp.c +++ b/Src/Modules/zftp.c @@ -703,7 +703,7 @@ zfgetmsg(void) char line[256], *ptr, *verbose; int stopit, printing = 0, tmout; - if ((zfsess->control && zfsess->control->fd == -1)) + if (!zfsess->control) return 6; zsfree(lastmsg); lastmsg = NULL; @@ -831,7 +831,7 @@ zfsendcmd(char *cmd) */ int ret, tmout; - if ((zfsess->control && zfsess->control->fd == -1)) + if (!zfsess->control) return 6; tmout = getiparam("ZFTP_TMOUT"); if (setjmp(zfalrmbuf)) { @@ -1718,7 +1718,7 @@ zftp_open(char *name, char **args, int flags) * Probably this is the safest thing to do. It's possible * a `QUIT' will hang, though. */ - if ((zfsess->control && zfsess->control->fd != -1)) + if (zfsess->control) zfclose(0); /* this is going to give 0. why bother? */ @@ -1789,6 +1789,10 @@ zftp_open(char *name, char **args, int flags) zfsess->control = tcp_socket(af, SOCK_STREAM, 0, ZTCP_ZFTP); if (!(zfsess->control) || (zfsess->control->fd < 0)) { + if (zfsess->control) { + tcp_close(zfsess->control); + zfsess->control = NULL; + } freehostent(zhostp); zfunsetparam("ZFTP_HOST"); FAILED(); @@ -1925,15 +1929,17 @@ zftp_open(char *name, char **args, int flags) if (zfsess->control->fd == -1) { /* final paranoid check */ - return 1; + tcp_close(zfsess->control); + zfsess->control = NULL; + zfnopen--; + } else { + zfsetparam("ZFTP_MODE", ztrdup("S"), ZFPM_READONLY); + /* if remaining arguments, use them to log in. */ + if (*++args) + return zftp_login(name, args, flags); } - - zfsetparam("ZFTP_MODE", ztrdup("S"), ZFPM_READONLY); - /* if remaining arguments, use them to log in. */ - if (zfsess->control->fd > -1 && *++args) - return zftp_login(name, args, flags); /* if something wayward happened, connection was already closed */ - return zfsess->control->fd == -1; + return !zfsess->control; } /* @@ -2127,7 +2133,7 @@ zftp_login(char *name, char **args, int flags) } zsfree(ucmd); - if (zfsess->control->fd == -1) + if (!zfsess->control) return 1; if (stopit == 2 || (lastcode != 230 && lastcode != 202)) { zwarnnam(name, "login failed", NULL, 0); @@ -2206,7 +2212,7 @@ zftp_test(char *name, char **args, int flags) struct timeval tv; # endif /* HAVE_POLL */ - if (zfsess->control->fd == -1) + if (!zfsess->control) return 1; # ifdef HAVE_POLL @@ -2236,8 +2242,8 @@ zftp_test(char *name, char **args, int flags) zfgetmsg(); } # endif /* HAVE_POLL */ - /* if we now have zfsess->control->fd == -1, then we've just been dumped out. */ - return (zfsess->control->fd == -1) ? 2 : 0; + /* if we have no zfsess->control, then we've just been dumped out. */ + return zfsess->control ? 0 : 2; #else zfwarnnam(name, "not supported on this system.", NULL, 0); return 3; @@ -2659,7 +2665,7 @@ zfclose(int leaveparams) char **aptr; Eprog prog; - if (zfsess->control->fd == -1) + if (!zfsess->control) return; zfclosing = 1; @@ -2675,9 +2681,11 @@ zfclose(int leaveparams) fclose(zfsess->cin); zfsess->cin = NULL; } - if (zfsess->control->fd != -1) { + if (zfsess->control) { zfnopen--; tcp_close(zfsess->control); + /* We leak if the above failed */ + zfsess->control = NULL; } if (zfstatfd != -1) { @@ -2965,7 +2973,7 @@ bin_zftp(char *name, char **args, char *ops, int func) int oldstatus = zfstatusp[zfsessno]; lseek(zfstatfd, 0, 0); read(zfstatfd, (char *)zfstatusp, sizeof(int)*zfsesscnt); - if ((zfsess->control && zfsess->control->fd != -1) && (zfstatusp[zfsessno] & ZFST_CLOS)) { + if (zfsess->control && (zfstatusp[zfsessno] & ZFST_CLOS)) { /* got closed in subshell without us knowing */ zcfinish = 2; zfclose(0); @@ -2986,7 +2994,7 @@ bin_zftp(char *name, char **args, char *ops, int func) } } #if defined(HAVE_SELECT) || defined (HAVE_POLL) - if ((zfsess->control && zfsess->control->fd != -1) && !(zptr->flags & (ZFTP_TEST|ZFTP_SESS))) { + if (zfsess->control && !(zptr->flags & (ZFTP_TEST|ZFTP_SESS))) { /* * Test the connection for a bad fd or incoming message, but * only if the connection was last heard of open, and @@ -2996,7 +3004,7 @@ bin_zftp(char *name, char **args, char *ops, int func) ret = zftp_test("zftp test", NULL, 0); } #endif - if ((zptr->flags & ZFTP_CONN) && (zfsess->control && zfsess->control->fd == -1)) { + if ((zptr->flags & ZFTP_CONN) && !zfsess->control) { if (ret != 2) { /* * with ret == 2, we just got dumped out in the test, |