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curproc() isn't needed in id(1)

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This commit is contained in:
Rob Pilling 2013-12-01 11:31:36 +00:00 committed by sin
parent dac77d3089
commit fd8c3b6438
1 changed files with 7 additions and 53 deletions
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60
id.c
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@ -10,7 +10,6 @@
#include "util.h" #include "util.h"
static void user(struct passwd *pw); static void user(struct passwd *pw);
static void curproc(void);
static void static void
usage(void) usage(void)
@ -28,12 +27,17 @@ main(int argc, char *argv[])
usage(); usage();
} ARGEND; } ARGEND;
errno = 0;
switch (argc) { switch (argc) {
case 0: case 0:
curproc(); pw = getpwuid(getuid());
if (errno != 0)
eprintf("getpwuid %d:", getuid());
else if (!pw)
eprintf("getpwuid %d: no such user\n", getuid());
user(pw);
break; break;
case 1: case 1:
errno = 0;
pw = getpwnam(argv[0]); pw = getpwnam(argv[0]);
if (errno != 0) if (errno != 0)
eprintf("getpwnam %s:", argv[0]); eprintf("getpwnam %s:", argv[0]);
@ -73,53 +77,3 @@ user(struct passwd *pw)
} }
putchar('\n'); putchar('\n');
} }
static void
curproc(void)
{
struct passwd *pw;
struct group *gr;
uid_t uid, euid;
gid_t gid, egid, groups[NGROUPS_MAX];
int ngroups;
int i;
/* Print uid/euid info */
uid = getuid();
printf("uid=%u", uid);
if (!(pw = getpwuid(uid)))
eprintf("getpwuid:");
printf("(%s)", pw->pw_name);
if ((euid = geteuid()) != uid) {
printf(" euid=%u", euid);
if (!(pw = getpwuid(euid)))
eprintf("getpwuid:");
printf("(%s)", pw->pw_name);
}
/* Print gid/egid info */
gid = getgid();
printf(" gid=%u", gid);
if (!(gr = getgrgid(gid)))
eprintf("getgrgid:");
printf("(%s)", gr->gr_name);
if ((egid = getegid()) != gid) {
printf(" egid=%u", egid);
if (!(gr = getgrgid(egid)))
eprintf("getgrgid:");
printf("(%s)", gr->gr_name);
}
/* Print groups */
ngroups = getgroups(NGROUPS_MAX, groups);
if (ngroups < 0)
eprintf("getgroups:");
for (i = 0; i < ngroups; i++) {
gid = groups[i];
printf("%s%u", !i ? " groups=" : ",", gid);
if (!(gr = getgrgid(gid)))
eprintf("getgrgid:");
printf("(%s)", gr->gr_name);
}
putchar('\n');
}