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3ad8f02c84
- wmem headers have changed place from epan/ folder to wsutil/ - sharkd protocol has changed too
63 lines
2.5 KiB
Diff
63 lines
2.5 KiB
Diff
From 5bef9deeff8a2e4401de0f45c9701cd6f98f29d8 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Bj=C3=B8rn=20Forsman?= <bjorn.forsman@gmail.com>
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Date: Thu, 26 Nov 2015 21:03:35 +0100
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Subject: [PATCH] Lookup dumpcap in PATH
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NixOS patch: Look for dumpcap in PATH first, because there may be a
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dumpcap wrapper that we want to use instead of the default
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non-setuid dumpcap binary.
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Also change execv() to execvp() because we've set argv[0] to "dumpcap"
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and have to enable PATH lookup. Wireshark is not a setuid program, so
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looking in PATH is not a security issue.
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EDITED by teto for wireshark 3.6
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Signed-off-by: Franz Pletz <fpletz@fnordicwalking.de>
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---
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capchild/capture_sync.c | 17 ++++++++++++++---
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1 file changed, 14 insertions(+), 3 deletions(-)
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diff --git a/capchild/capture_sync.c b/capchild/capture_sync.c
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index f31914886a..df29b6f0ab 100644
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--- a/capture/capture_sync.c
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+++ b/capture/capture_sync.c
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@@ -187,7 +187,18 @@ init_pipe_args(int *argc) {
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#ifdef _WIN32
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exename = g_strdup_printf("%s\\dumpcap.exe", progfile_dir);
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#else
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- exename = g_strdup_printf("%s/dumpcap", progfile_dir);
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+ /*
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+ * NixOS patch: Look for dumpcap in PATH first, because there may be a
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+ * dumpcap wrapper that we want to use instead of the default
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+ * non-setuid dumpcap binary.
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+ */
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+ if (system("command -v dumpcap >/dev/null") == 0) {
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+ /* Found working dumpcap */
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+ exename = g_strdup_printf("dumpcap");
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+ } else {
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+ /* take Wireshark's absolute program path and replace "Wireshark" with "dumpcap" */
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+ exename = g_strdup_printf("%s/dumpcap", progfile_dir);
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+ }
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#endif
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/* Make that the first argument in the argument list (argv[0]). */
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@@ -572,7 +583,7 @@ sync_pipe_start(capture_options *capture_opts, capture_session *cap_session, inf
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*/
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dup2(sync_pipe[PIPE_WRITE], 2);
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ws_close(sync_pipe[PIPE_READ]);
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- execv(argv[0], argv);
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+ execvp(argv[0], argv);
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g_snprintf(errmsg, sizeof errmsg, "Couldn't run %s in child process: %s",
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argv[0], g_strerror(errno));
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sync_pipe_errmsg_to_parent(2, errmsg, "");
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@@ -811,7 +822,7 @@ sync_pipe_open_command(char* const argv[], int *data_read_fd,
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dup2(sync_pipe[PIPE_WRITE], 2);
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ws_close(sync_pipe[PIPE_READ]);
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ws_close(sync_pipe[PIPE_WRITE]);
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- execv(argv[0], argv);
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+ execvp(argv[0], argv);
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g_snprintf(errmsg, sizeof errmsg, "Couldn't run %s in child process: %s",
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argv[0], g_strerror(errno));
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sync_pipe_errmsg_to_parent(2, errmsg, "");
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