diff options
Diffstat (limited to 'dumpcap.c')
| -rw-r--r-- | dumpcap.c | 25 |
1 files changed, 21 insertions, 4 deletions
@@ -1466,12 +1466,14 @@ cap_pipe_open_live(char *pipename, #else /* _WIN32 */ char *pncopy, *pos; wchar_t *err_str; - interface_options interface_opts; #ifdef HAVE_EXTCAP char* extcap_pipe_name; - gboolean extcap_pipe; #endif #endif +#ifdef HAVE_EXTCAP + gboolean extcap_pipe = FALSE; +#endif + interface_options interface_opts; ssize_t b; int fd = -1, sel_ret; size_t bytes_read; @@ -1498,7 +1500,15 @@ cap_pipe_open_live(char *pipename, return; } } else { + + interface_opts = g_array_index(global_capture_opts.ifaces, interface_options, 0); + #ifndef _WIN32 +#ifdef HAVE_EXTCAP + if ( g_strrstr(interface_opts.name, EXTCAP_PIPE_PREFIX) != NULL ) + extcap_pipe = TRUE; +#endif + if (ws_stat64(pipename, &pipe_stat) < 0) { if (errno == ENOENT || errno == ENOTDIR) pcap_opts->cap_pipe_err = PIPNEXIST; @@ -1585,6 +1595,7 @@ cap_pipe_open_live(char *pipename, } return; } + #else /* _WIN32 */ #define PIPE_STR "\\pipe\\" /* Under Windows, named pipes _must_ have the form @@ -1606,8 +1617,6 @@ cap_pipe_open_live(char *pipename, pcap_opts->cap_pipe_err = PIPNEXIST; return; } - - interface_opts = g_array_index(global_capture_opts.ifaces, interface_options, 0); #ifdef HAVE_EXTCAP extcap_pipe_name = g_strconcat("\\\\.\\pipe\\", EXTCAP_PIPE_PREFIX, NULL); extcap_pipe = strstr(interface_opts.name, extcap_pipe_name) ? TRUE : FALSE; @@ -1678,6 +1687,10 @@ cap_pipe_open_live(char *pipename, b = cap_pipe_read(fd, ((char *)&magic)+bytes_read, sizeof magic-bytes_read, pcap_opts->from_cap_socket); + /* jump messaging, if extcap had an error, stderr will provide the correct message */ + if (extcap_pipe && b <= 0) + goto error; + if (b <= 0) { if (b == 0) g_snprintf(errmsg, errmsgl, "End of file on pipe magic during open."); @@ -1704,6 +1717,10 @@ cap_pipe_open_live(char *pipename, /* We don't have to worry about cap_pipe_read_mtx here */ g_async_queue_push(pcap_opts->cap_pipe_pending_q, pcap_opts->cap_pipe_buf); g_async_queue_pop(pcap_opts->cap_pipe_done_q); + /* jump messaging, if extcap had an error, stderr will provide the correct message */ + if (pcap_opts->cap_pipe_bytes_read <= 0 && extcap_pipe) + goto error; + if (pcap_opts->cap_pipe_bytes_read <= 0) { if (pcap_opts->cap_pipe_bytes_read == 0) g_snprintf(errmsg, errmsgl, "End of file on pipe magic during open."); |