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Additional capabilities required

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Specify additional capabilities in main.cpp (error message and comment),
and in man page.
This commit is contained in:
Elie Huvier
2022-07-10 05:26:51 +08:00
parent 90fb48d109
commit a9258d10f4
2 changed files with 15 additions and 8 deletions
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14
src/main.cpp
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@@ -215,15 +215,12 @@ int main(int argc, char **argv) {
forceExit(false, "No devices to monitor. Use '-a' to allow monitoring "
"loopback interfaces or devices that are not up/running");
if ((!tracemode) && (!DEBUG)) {
init_ui();
}
#ifndef __linux__
if (geteuid() != 0)
forceExit(false, "You need to be root to run NetHogs!");
#endif
// on Linux, we can run as non-root given the cap_net_admin and cap_net_raw capabilities
// on Linux, we can run as non-root given the cap_net_admin, cap_net_raw,
// cap_dac_read_search and cap_sys_ptrace capabilities
// use the Self-Pipe trick to interrupt the select() in the main loop
self_pipe = create_self_pipe();
@@ -291,7 +288,8 @@ int main(int argc, char **argv) {
if (nb_devices == nb_failed_devices) {
if (geteuid() != 0)
fprintf(stderr, "To run nethogs without being root, you need to enable "
"capabilities on the program (cap_net_admin, cap_new_raw). "
"capabilities on the program (cap_net_admin, cap_net_raw, "
"cap_dac_read_search, cap_sys_ptrace). "
"See the documentation for details.\n");
forceExit(false, "Error opening pcap handlers for all devices.\n");
}
@@ -300,6 +298,10 @@ int main(int argc, char **argv) {
struct dpargs *userdata = (dpargs *)malloc(sizeof(struct dpargs));
if ((!tracemode) && (!DEBUG)) {
init_ui();
}
// Main loop:
int refresh_count = 0;
while (1) {