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checkpath.c: Move the message buffer into the state structure.
[checkpath]
/
checkpath.c
diff --git
a/checkpath.c
b/checkpath.c
index 8a19ae5cdd84df10f32c85c4c91bcf08c0735708..2cb73cda2fec3dd09839403ffd76018eb7901ee9 100644
(file)
--- a/
checkpath.c
+++ b/
checkpath.c
@@
-69,6
+69,7
@@
struct state {
struct elt *sp; /* Stack pointer for list */
dstr path; /* Current path string */
dstr link; /* Symbolic link target string */
struct elt *sp; /* Stack pointer for list */
dstr path; /* Current path string */
dstr link; /* Symbolic link target string */
+ dstr msg; /* Message string */
};
/*----- Static variables --------------------------------------------------*/
};
/*----- Static variables --------------------------------------------------*/
@@
-183,7
+184,8
@@
static void push(struct state *state, struct elt *e)
/* --- @report@ --- *
*
/* --- @report@ --- *
*
- * Arguments: @const struct checkpath *cp@ = pointer to query
+ * Arguments: @struct state *state@ = pointer to state
+ * @const struct checkpath *cp@ = pointer to query
* @unsigned what@ = what sort of report is this?
* @int verbose@ = how verbose is this?
* @const char *p@ = what path does it refer to?
* @unsigned what@ = what sort of report is this?
* @int verbose@ = how verbose is this?
* @const char *p@ = what path does it refer to?
@@
-194,10
+196,10
@@
static void push(struct state *state, struct elt *e)
* Use: Formats and presents messages to the client.
*/
* Use: Formats and presents messages to the client.
*/
-static void report(const struct checkpath *cp, unsigned what, int verbose,
+static void report(struct state *state, const struct checkpath *cp,
+ unsigned what, int verbose,
const char *p, const char *msg, ...)
{
const char *p, const char *msg, ...)
{
- dstr d = DSTR_INIT;
va_list ap;
const char *q = msg;
const char *s;
va_list ap;
const char *q = msg;
const char *s;
@@
-222,56
+224,56
@@
static void report(const struct checkpath *cp, unsigned what, int verbose,
/* --- Format the message nicely --- */
/* --- Format the message nicely --- */
+ dstr_reset(&state->msg);
va_start(ap, msg);
if (verbose > 1)
va_start(ap, msg);
if (verbose > 1)
- dstr_puts(&
d
, "[ ");
+ dstr_puts(&
state->msg
, "[ ");
if (p)
if (p)
- dstr_putf(&
d
, "Path: %s: ", p);
+ dstr_putf(&
state->msg
, "Path: %s: ", p);
while (*q) {
if (*q == '%') {
q++;
switch (*q) {
case 'e':
while (*q) {
if (*q == '%') {
q++;
switch (*q) {
case 'e':
- dstr_puts(&
d
, strerror(e));
+ dstr_puts(&
state->msg
, strerror(e));
break;
case 'u':
break;
case 'u':
- u = (uid_t)va_arg(ap,
int
);
+ u = (uid_t)va_arg(ap,
long
);
if ((pw = getpwuid(u)) != 0)
if ((pw = getpwuid(u)) != 0)
- dstr_putf(&
d
, "`%s'", pw->pw_name);
+ dstr_putf(&
state->msg
, "`%s'", pw->pw_name);
else
else
- dstr_putf(&
d, "%i", (int
)u);
+ dstr_putf(&
state->msg, "#%ld", (long
)u);
break;
case 'g':
break;
case 'g':
- g = (gid_t)va_arg(ap,
int
);
+ g = (gid_t)va_arg(ap,
long
);
if ((gr = getgrgid(g)) != 0)
if ((gr = getgrgid(g)) != 0)
- dstr_putf(&
d
, "`%s'", gr->gr_name);
+ dstr_putf(&
state->msg
, "`%s'", gr->gr_name);
else
else
- dstr_putf(&
d, "%i", (int
)g);
+ dstr_putf(&
state->msg, "#%ld", (long
)g);
break;
case 's':
s = va_arg(ap, const char *);
break;
case 's':
s = va_arg(ap, const char *);
- dstr_puts(&
d
, s);
+ dstr_puts(&
state->msg
, s);
break;
case '%':
break;
case '%':
- dstr_putc(&
d
, '%');
+ dstr_putc(&
state->msg
, '%');
break;
default:
break;
default:
- dstr_putc(&
d
, '%');
- dstr_putc(&
d
, *q);
+ dstr_putc(&
state->msg
, '%');
+ dstr_putc(&
state->msg
, *q);
break;
}
q++;
} else {
n = strcspn(q, "%");
break;
}
q++;
} else {
n = strcspn(q, "%");
- DPUTM(&
d
, q, n);
+ DPUTM(&
state->msg
, q, n);
q += n;
}
}
if (verbose > 1)
q += n;
}
}
if (verbose > 1)
- dstr_puts(&d, " ]");
- DPUTZ(&d);
- cp->cp_report(what, verbose, p, d.buf, cp->cp_arg);
- dstr_destroy(&d);
+ dstr_puts(&state->msg, " ]");
+ DPUTZ(&state->msg);
+ cp->cp_report(what, verbose, p, state->msg.buf, cp->cp_arg);
va_end(ap);
}
va_end(ap);
}
@@
-279,6
+281,7
@@
static void report(const struct checkpath *cp, unsigned what, int verbose,
*
* Arguments: @const char *p@ = name of directory to check
* @struct stat *st@ = pointer to @stat@(2) block for it
*
* Arguments: @const char *p@ = name of directory to check
* @struct stat *st@ = pointer to @stat@(2) block for it
+ * @struct state *state@ = pointer to state
* @const struct checkpath *cp@ = pointer to query
* @unsigned f@ = various flags (@SF_...@)
*
* @const struct checkpath *cp@ = pointer to query
* @unsigned f@ = various flags (@SF_...@)
*
@@
-292,7
+295,8
@@
static void report(const struct checkpath *cp, unsigned what, int verbose,
#define SF_LAST 1u /* This is the final item to check */
static unsigned sanity(const char *p, struct stat *st,
#define SF_LAST 1u /* This is the final item to check */
static unsigned sanity(const char *p, struct stat *st,
- const struct checkpath *cp, unsigned f)
+ struct state *state, const struct checkpath *cp,
+ unsigned f)
{
unsigned bad = 0;
int stickyok = 0;
{
unsigned bad = 0;
int stickyok = 0;
@@
-308,7
+312,7
@@
static unsigned sanity(const char *p, struct stat *st,
if ((cp->cp_what & CP_WRWORLD) &&
(st->st_mode & (S_IWOTH | stickyok)) == S_IWOTH) {
bad |= CP_WRWORLD;
if ((cp->cp_what & CP_WRWORLD) &&
(st->st_mode & (S_IWOTH | stickyok)) == S_IWOTH) {
bad |= CP_WRWORLD;
- report(cp, CP_WRWORLD, 1, p, "** world writable **");
+ report(
state,
cp, CP_WRWORLD, 1, p, "** world writable **");
}
/* --- Check for group-writability --- */
}
/* --- Check for group-writability --- */
@@
-326,8
+330,8
@@
static unsigned sanity(const char *p, struct stat *st,
}
if (b) {
bad |= b;
}
if (b) {
bad |= b;
- report(cp, b, 1, p, "writable by %sgroup %g",
- (b == CP_WROTHGRP) ? "other " : "", st->st_gid);
+ report(
state,
cp, b, 1, p, "writable by %sgroup %g",
+ (b == CP_WROTHGRP) ? "other " : "",
(long)
st->st_gid);
}
}
}
}
@@
-337,7
+341,8
@@
static unsigned sanity(const char *p, struct stat *st,
st->st_uid != cp->cp_uid &&
st->st_uid != 0) {
bad |= CP_WROTHUSR;
st->st_uid != cp->cp_uid &&
st->st_uid != 0) {
bad |= CP_WROTHUSR;
- report(cp, CP_WROTHUSR, 1, p, "owner is user %u", st->st_uid);
+ report(state, cp, CP_WROTHUSR, 1, p,
+ "owner is user %u", (long)st->st_uid);
}
/* --- Done sanity check --- */
}
/* --- Done sanity check --- */
@@
-374,23
+379,24
@@
unsigned checkpath(const char *p, const struct checkpath *cp)
state->sp = (/*unconst*/ struct elt *)&rootnode;
dstr_create(&state->path);
dstr_create(&state->link);
state->sp = (/*unconst*/ struct elt *)&rootnode;
dstr_create(&state->path);
dstr_create(&state->link);
+ dstr_create(&state->msg);
/* --- Try to find the current directory --- */
if (!getcwd(cwd, sizeof(cwd))) {
/* --- Try to find the current directory --- */
if (!getcwd(cwd, sizeof(cwd))) {
- report(cp, CP_ERROR, 0, 0, "can't find current directory: %e");
+ report(
state,
cp, CP_ERROR, 0, 0, "can't find current directory: %e");
return (CP_ERROR);
}
/* --- Check that the root directory is OK --- */
if (stat("/", &st)) {
return (CP_ERROR);
}
/* --- Check that the root directory is OK --- */
if (stat("/", &st)) {
- report(cp, CP_ERROR, 0, 0, "can't stat root directory: %e");
+ report(
state,
cp, CP_ERROR, 0, 0, "can't stat root directory: %e");
return (CP_ERROR);
}
return (CP_ERROR);
}
- report(cp, CP_REPORT, 3, p, "begin scan");
- bad |= sanity("/", &st, cp, 0);
+ report(
state,
cp, CP_REPORT, 3, p, "begin scan");
+ bad |= sanity("/", &st,
state,
cp, 0);
/* --- Get the initial list of things to process --- */
/* --- Get the initial list of things to process --- */
@@
-426,7
+432,7
@@
unsigned checkpath(const char *p, const struct checkpath *cp)
/* --- Find out what sort of a thing this is --- */
if (lstat(state->path.buf, &st)) {
/* --- Find out what sort of a thing this is --- */
if (lstat(state->path.buf, &st)) {
- report(cp, CP_ERROR, 0, state->path.buf, "can't stat: %e");
+ report(
state,
cp, CP_ERROR, 0, state->path.buf, "can't stat: %e");
bad |= CP_ERROR;
break;
}
bad |= CP_ERROR;
break;
}
@@
-441,12
+447,13
@@
unsigned checkpath(const char *p, const struct checkpath *cp)
dstr_ensure(&state->link, st.st_size + 1);
if ((i = readlink(state->path.buf,
state->link.buf, state->link.sz)) < 0) {
dstr_ensure(&state->link, st.st_size + 1);
if ((i = readlink(state->path.buf,
state->link.buf, state->link.sz)) < 0) {
- report(cp, CP_ERROR, 0, state->path.buf, "can't readlink: %e");
+ report(state, cp, CP_ERROR, 0, state->path.buf,
+ "can't readlink: %e");
bad |= CP_ERROR;
break;
}
state->link.buf[i] = 0;
bad |= CP_ERROR;
break;
}
state->link.buf[i] = 0;
- report(cp, CP_SYMLINK, 2, state->path.buf,
+ report(
state,
cp, CP_SYMLINK, 2, state->path.buf,
"symlink -> `%s'", state->link.buf);
/* --- Handle sticky parents --- *
"symlink -> `%s'", state->link.buf);
/* --- Handle sticky parents --- *
@@
-460,8
+467,8
@@
unsigned checkpath(const char *p, const struct checkpath *cp)
(state->sp->e_link->e_flags & EF_STICKY) &&
st.st_uid != cp->cp_uid && st.st_uid != 0) {
bad |= CP_WROTHUSR;
(state->sp->e_link->e_flags & EF_STICKY) &&
st.st_uid != cp->cp_uid && st.st_uid != 0) {
bad |= CP_WROTHUSR;
- report(cp, CP_WROTHUSR, 1, state->path.buf,
- "symlink modifiable by user %u", st.st_uid);
+ report(
state,
cp, CP_WROTHUSR, 1, state->path.buf,
+ "symlink modifiable by user %u",
(long)
st.st_uid);
}
/* --- Sort out what to do from here --- */
}
/* --- Sort out what to do from here --- */
@@
-476,12
+483,12
@@
unsigned checkpath(const char *p, const struct checkpath *cp)
/* --- Run the sanity check on this path element --- */
/* --- Run the sanity check on this path element --- */
- bad |= sanity(state->path.buf, &st, cp, ee ? 0 : SF_LAST);
+ bad |= sanity(state->path.buf, &st,
state,
cp, ee ? 0 : SF_LAST);
if (S_ISDIR(st.st_mode)) {
if (st.st_mode & S_ISVTX)
state->sp->e_flags |= EF_STICKY;
if (S_ISDIR(st.st_mode)) {
if (st.st_mode & S_ISVTX)
state->sp->e_flags |= EF_STICKY;
- report(cp, CP_REPORT, 4, state->path.buf, "directory");
+ report(
state,
cp, CP_REPORT, 4, state->path.buf, "directory");
continue;
}
continue;
}
@@
-494,7
+501,7
@@
unsigned checkpath(const char *p, const struct checkpath *cp)
if (ee) {
if (!(bad & CP_ERROR))
if (ee) {
if (!(bad & CP_ERROR))
- report(cp, CP_ERROR, 0, 0, "junk left over after reaching leaf");
+ report(
state,
cp, CP_ERROR, 0, 0, "junk left over after reaching leaf");
while (ee) {
e = ee->e_link;
ee = e;
while (ee) {
e = ee->e_link;
ee = e;
@@
-503,6
+510,7
@@
unsigned checkpath(const char *p, const struct checkpath *cp)
dstr_destroy(&state->path);
dstr_destroy(&state->link);
dstr_destroy(&state->path);
dstr_destroy(&state->link);
+ dstr_destroy(&state->msg);
pool_destroy(state->p);
return (bad);
}
pool_destroy(state->p);
return (bad);
}