tSmall layout cleanup of sup.c. - sup - small tool for privilege escalation
HTML git clone https://git.parazyd.org/sup
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit a1433c21cfd8539d3c34a0d40cc18022dcbfd0c6
DIR parent 04c4ce9067d5428c6e71aa5788417054bce8bf4e
HTML Author: parazyd <parazyd@dyne.org>
Date: Mon, 8 Jul 2019 18:04:47 +0200
Small layout cleanup of sup.c.
Diffstat:
M sup.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
---
DIR diff --git a/sup.c b/sup.c
t@@ -10,6 +10,7 @@
#include "sha256.h"
#define nelem(x) (sizeof (x) / sizeof *(x))
+#define CHUNK 1048576 /* 1MiB */
struct rule_t {
const int uid;
t@@ -27,10 +28,8 @@ void die(char *msg) {
exit(1);
}
-#define CHUNK 1048576 /* 1MiB */
static uint32 getsha(const char *path, unsigned char *dest) {
static sha256_context sha;
-
unsigned char buf[CHUNK];
uint32 len, tot = 0;
FILE *fd;
t@@ -70,7 +69,6 @@ int main(int argc, char *argv[]) {
for (i = 0; i < nelem(rules); i++)
printf("\nuser: %d\ncmd: %s\nbinary: %s\nsha256: %s\n",
rules[i].uid, rules[i].cmd, rules[i].path, rules[i].hash);
-
return 0;
}
t@@ -87,7 +85,7 @@ int main(int argc, char *argv[]) {
die("Can not stat program.");
if (st.st_mode & 0022)
- die("Can not run binaries others can write.");
+ die("Can not run writable binaries.");
if (getsha(rules[i].path, digest) != st.st_size)
die("Binary file differs from size read.");
t@@ -106,6 +104,5 @@ int main(int argc, char *argv[]) {
die("execv failed.");
}
}
-
die("Unauthorized command.");
}