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Code Issues Releases Wiki Activity

Fix: setgroups before setuid

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This commit is contained in:
jcorporation 2018-08-28 00:45:14 +01:00
parent e99bd1f66e
commit ca4ff0e396
2 changed files with 6 additions and 1 deletions
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5
src/mympd.c
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@ -28,6 +28,7 @@
#include <unistd.h> #include <unistd.h>
#include <sys/time.h> #include <sys/time.h>
#include <pwd.h> #include <pwd.h>
#include <grp.h>
#include "../dist/src/mongoose/mongoose.h" #include "../dist/src/mongoose/mongoose.h"
#include "../dist/src/inih/ini.h" #include "../dist/src/inih/ini.h"
@ -246,6 +247,10 @@ int main(int argc, char **argv) {
printf("Unknown user\n"); printf("Unknown user\n");
mg_mgr_free(&mgr); mg_mgr_free(&mgr);
return EXIT_FAILURE; return EXIT_FAILURE;
} else if (setgroups(0, NULL) != 0) {
printf("setgroups() failed\n");
mg_mgr_free(&mgr);
return EXIT_FAILURE;
} else if (setgid(pw->pw_gid) != 0) { } else if (setgid(pw->pw_gid) != 0) {
printf("setgid() failed\n"); printf("setgid() failed\n");
mg_mgr_free(&mgr); mg_mgr_free(&mgr);