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-rw-r--r--src/cmdline.c37
1 files changed, 22 insertions, 15 deletions
diff --git a/src/cmdline.c b/src/cmdline.c
index c23d185..7f62ece 100644
--- a/src/cmdline.c
+++ b/src/cmdline.c
@@ -116,6 +116,7 @@ parse_mode(const char *str, mode_t *andnot, mode_t *or)
#define O S_IRWXO
const char *s = str;
int numerical = 1;
+ mode_t mode = 0;
char op = '=';
int bits;
@@ -126,15 +127,17 @@ parse_mode(const char *str, mode_t *andnot, mode_t *or)
return errno = 0, -1;
for (s = str; *s; s++) {
- if (('0' >= *s) || (*s >= '9')) {
+ if (('0' > *s) || (*s > '7')) {
numerical = 0;
break;
+ } else {
+ mode = (mode << 3) | (*s & 15);
}
}
if (numerical) {
*andnot = U | G | O;
- *or = atoi(str);
+ *or = mode;
*or &= U | G | O;
*or = (*or & U) ? (*or | U) : (*or & ~U);
*or = (*or & G) ? (*or | G) : (*or & ~G);
@@ -146,9 +149,9 @@ parse_mode(const char *str, mode_t *andnot, mode_t *or)
if (strchr("+-=", *s)) {
op = *s;
} else if (strchr("ugo", *s)) {
- if (*str == 'u')
+ if (*s == 'u')
bits = U;
- else if (*str == 'g')
+ else if (*s == 'g')
bits = G;
else
bits = O;
@@ -176,8 +179,7 @@ parse_mode(const char *str, mode_t *andnot, mode_t *or)
/**
* Parse a user name/identifier string
*
- * @param str The user's name or identifier, parsings stops
- * a the first ':' or and the end of the srting
+ * @param str The user's name or identifier
* @param uid Output parameter for the user's identifier
* @return 0 on success, -1 on error
*/
@@ -192,23 +194,24 @@ parse_uid(const char *str, uid_t *uid)
if (!*s || (*s == ':'))
return errno = 0, -1;
- for (s = str; *s && (*s != ':'); s++) {
- if (('0' >= *s) || (*s >= '9')) {
+ for (s = str; *s; s++) {
+ if (('0' > *s) || (*s > '9')) {
numerical = 0;
break;
}
}
if (numerical) {
- for (s = str; !*s || (*s == ':'); s++)
+ for (s = str; *s; s++)
rc = (rc * 10) + (*s & 15);
*uid = rc;
return 0;
}
pwd = getpwnam(str);
- if (!pwd)
+ if (!pwd) {
return -1;
+ }
*uid = pwd->pw_uid;
return 0;
}
@@ -226,21 +229,21 @@ parse_gid(const char *str, gid_t *gid)
{
const char *s = str;
int numerical = 1;
- uid_t rc = 0;
+ gid_t rc = 0;
struct group *grp;
if (!*s || strchr(s, ':'))
return errno = 0, -1;
for (s = str; *s; s++) {
- if (('0' >= *s) || (*s >= '9')) {
+ if (('0' > *s) || (*s > '9')) {
numerical = 0;
break;
}
}
if (numerical) {
- for (s = str; !*s || (*s == ':'); s++)
+ for (s = str; *s; s++)
rc = (rc * 10) + (*s & 15);
*gid = rc;
return 0;
@@ -263,16 +266,20 @@ parse_gid(const char *str, gid_t *gid)
* @return 0 on success, -1 on error
*/
static int
-parse_owner(const char *str, uid_t *uid, gid_t *gid)
+parse_owner(char *str, uid_t *uid, gid_t *gid)
{
int r = 0;
+ char* group;
if (!uid)
return parse_gid(str, gid);
if (!gid)
return parse_uid(str, uid);
- r = parse_gid(strchr(str, ':') + 1, gid);
+ group = strchr(str, ':');
+ *group++ = 0;
+
+ r = parse_gid(group, gid);
if (r)
return r;
return parse_uid(str, uid);