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home:bmwiedemann:reproducible:distribution:ring1
wireshark
wireshark-0010-dumpcap-permission-denied.patch
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File wireshark-0010-dumpcap-permission-denied.patch of Package wireshark
commit acac613af7d702dae533cbdf9ef49cef803d0559 Author: Robert Frohl <rfrohl@suse.com> Date: Tue Sep 12 14:53:17 2023 +0200 Warn if user can't access dumpcap. Index: wireshark-4.2.0rc2/capture/capture_sync.c =================================================================== --- wireshark-4.2.0rc2.orig/capture/capture_sync.c +++ wireshark-4.2.0rc2/capture/capture_sync.c @@ -24,6 +24,10 @@ #include <wsutil/strtoi.h> #include <wsutil/ws_assert.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <grp.h> + #ifdef _WIN32 #include <wsutil/unicode-utils.h> #include <wsutil/win32-utils.h> @@ -530,10 +534,21 @@ sync_pipe_open_command(char* const argv[ ws_close(data_pipe[PIPE_READ]); ws_close(data_pipe[PIPE_WRITE]); } + char * grp_warning = calloc(1, 256); dup2(sync_pipe[PIPE_WRITE], 2); ws_close(sync_pipe[PIPE_READ]); ws_close(sync_pipe[PIPE_WRITE]); execv(argv[0], argv); + if (errno == EPERM || errno == EACCES) { + struct stat statbuf; + struct group *grp; + if(stat("/usr/bin/dumpcap", &statbuf) == 0) { + if ((grp = getgrgid(statbuf.st_gid)) != NULL) { + snprintf(grp_warning , 256, "\nYou need to be a member of the '%s' group. Try running\n'usermod -a -G %s <YOUR_USERNAME>' as root.", grp->gr_name, grp->gr_name); + } + } + } + free(grp_warning); sync_pipe_write_int_msg(2, SP_EXEC_FAILED, errno); /* Exit with "_exit()", so that we don't close the connection
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