diff options
Diffstat (limited to 'usr.sbin/sendmail/test/t_setreuid.c')
-rw-r--r-- | usr.sbin/sendmail/test/t_setreuid.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/usr.sbin/sendmail/test/t_setreuid.c b/usr.sbin/sendmail/test/t_setreuid.c deleted file mode 100644 index 6622068..0000000 --- a/usr.sbin/sendmail/test/t_setreuid.c +++ /dev/null @@ -1,133 +0,0 @@ -/* -** This program checks to see if your version of setreuid works. -** Compile it, make it setuid root, and run it as yourself (NOT as -** root). If it won't compile or outputs any MAYDAY messages, don't -** define HASSETREUID in conf.h. -** -** Compilation is trivial -- just "cc t_setreuid.c". Make it setuid, -** root and then execute it as a non-root user. -*/ - -#include <sys/types.h> -#include <unistd.h> -#include <stdio.h> - -#ifdef __hpux -#define setreuid(r, e) setresuid(r, e, -1) -#endif - -main() -{ - int fail = 0; - uid_t realuid = getuid(); - - printuids("initial uids", realuid, 0); - - if (geteuid() != 0) - { - printf("SETUP ERROR: re-run setuid root\n"); - exit(1); - } - - if (getuid() == 0) - { - printf("SETUP ERROR: must be run by a non-root user\n"); - exit(1); - } - - if (setreuid(0, 1) < 0) - { - fail++; - printf("setreuid(0, 1) failure\n"); - } - printuids("after setreuid(0, 1)", 0, 1); - - if (geteuid() != 1) - { - fail++; - printf("MAYDAY! Wrong effective uid\n"); - } - - /* do activity here */ - - if (setreuid(-1, 0) < 0) - { - fail++; - printf("setreuid(-1, 0) failure\n"); - } - printuids("after setreuid(-1, 0)", 0, 0); - if (setreuid(realuid, 0) < 0) - { - fail++; - printf("setreuid(%d, 0) failure\n", realuid); - } - printuids("after setreuid(realuid, 0)", realuid, 0); - - if (geteuid() != 0) - { - fail++; - printf("MAYDAY! Wrong effective uid\n"); - } - if (getuid() != realuid) - { - fail++; - printf("MAYDAY! Wrong real uid\n"); - } - printf("\n"); - - if (setreuid(0, 2) < 0) - { - fail++; - printf("setreuid(0, 2) failure\n"); - } - printuids("after setreuid(0, 2)", 0, 2); - - if (geteuid() != 2) - { - fail++; - printf("MAYDAY! Wrong effective uid\n"); - } - - /* do activity here */ - - if (setreuid(-1, 0) < 0) - { - fail++; - printf("setreuid(-1, 0) failure\n"); - } - printuids("after setreuid(-1, 0)", 0, 0); - if (setreuid(realuid, 0) < 0) - { - fail++; - printf("setreuid(%d, 0) failure\n", realuid); - } - printuids("after setreuid(realuid, 0)", realuid, 0); - - if (geteuid() != 0) - { - fail++; - printf("MAYDAY! Wrong effective uid\n"); - } - if (getuid() != realuid) - { - fail++; - printf("MAYDAY! Wrong real uid\n"); - } - - if (fail) - { - printf("\nThis system cannot use setreuid\n"); - exit(1); - } - - printf("\nIt is safe to define HASSETREUID on this system\n"); - exit(0); -} - -printuids(str, r, e) - char *str; - int r, e; -{ - printf("%s (should be %d/%d): r/euid=%d/%d\n", str, r, e, - getuid(), geteuid()); -} |