vre_t *
VRE_compile(const char *pattern, int options,
const char **errptr, int *erroffset)
{
vre_t *v;
*errptr = NULL; *erroffset = 0;
ALLOC_OBJ(v, VRE_MAGIC);
if (v == NULL) {
*errptr = "Out of memory for VRE";
return (NULL);
}
v->re = pcre_compile(pattern, options, errptr, erroffset, NULL);
if (v->re == NULL) {
VRE_free(&v);
return (NULL);
}
v->re_extra = pcre_study(v->re, VRE_STUDY_JIT_COMPILE, errptr);
if (*errptr != NULL) {
VRE_free(&v);
return (NULL);
}
if (v->re_extra == NULL) {
/* allocate our own */
v->re_extra = calloc(1, sizeof(pcre_extra));
v->my_extra = 1;
if (v->re_extra == NULL) {
*errptr = "Out of memory for pcre_extra";
VRE_free(&v);
return (NULL);
}
}
return (v);
}
const char *
vcc_regexp(struct vcc *tl)
{
char buf[BUFSIZ], *p;
vre_t *t;
const char *error;
int erroroffset;
struct inifin *ifp;
Expect(tl, CSTR);
if (tl->err)
return (NULL);
t = VRE_compile(tl->t->dec, 0, &error, &erroroffset);
if (t == NULL) {
VSB_printf(tl->sb,
"Regexp compilation error:\n\n%s\n\n", error);
vcc_ErrWhere(tl, tl->t);
return (NULL);
}
VRE_free(&t);
bprintf(buf, "VGC_re_%u", tl->unique++);
p = TlAlloc(tl, strlen(buf) + 1);
strcpy(p, buf);
Fh(tl, 0, "static void *%s;\n", buf);
ifp = New_IniFin(tl);
VSB_printf(ifp->ini, "\tVRT_re_init(&%s, ",buf);
EncToken(ifp->ini, tl->t);
VSB_printf(ifp->ini, ");");
VSB_printf(ifp->fin, "\t\tVRT_re_fini(%s);", buf);
vcc_NextToken(tl);
return (p);
}
void
vex_Free(struct vex **pvex)
{
if ((*pvex)->lhs != NULL) {
if ((*pvex)->lhs->tags != NULL)
vbit_destroy((*pvex)->lhs->tags);
if ((*pvex)->lhs->prefix != NULL)
free((*pvex)->lhs->prefix);
FREE_OBJ((*pvex)->lhs);
}
if ((*pvex)->rhs != NULL) {
if ((*pvex)->rhs->val_string)
free((*pvex)->rhs->val_string);
if ((*pvex)->rhs->val_regex)
VRE_free(&(*pvex)->rhs->val_regex);
FREE_OBJ((*pvex)->rhs);
}
if ((*pvex)->a != NULL) {
vex_Free(&(*pvex)->a);
AZ((*pvex)->a);
}
if ((*pvex)->b != NULL) {
vex_Free(&(*pvex)->b);
AZ((*pvex)->b);
}
FREE_OBJ(*pvex);
*pvex = NULL;
}
static void
cmd_http_expect(CMD_ARGS)
{
struct http *hp;
const char *lhs;
char *cmp;
const char *rhs;
vre_t *vre;
const char *error;
int erroroffset;
int i;
(void)cmd;
(void)vl;
CAST_OBJ_NOTNULL(hp, priv, HTTP_MAGIC);
assert(!strcmp(av[0], "expect"));
av++;
AN(av[0]);
AN(av[1]);
AN(av[2]);
AZ(av[3]);
lhs = cmd_var_resolve(hp, av[0]);
cmp = av[1];
rhs = cmd_var_resolve(hp, av[2]);
if (!strcmp(cmp, "==")) {
if (strcmp(lhs, rhs))
vtc_log(hp->vl, 0, "EXPECT %s (%s) %s %s (%s) failed",
av[0], lhs, av[1], av[2], rhs);
else
vtc_log(hp->vl, 4, "EXPECT %s (%s) %s %s (%s) match",
av[0], lhs, av[1], av[2], rhs);
} else if (!strcmp(cmp, "!=")) {
if (!strcmp(lhs, rhs))
vtc_log(hp->vl, 0, "EXPECT %s (%s) %s %s (%s) failed",
av[0], lhs, av[1], av[2], rhs);
else
vtc_log(hp->vl, 4, "EXPECT %s (%s) %s %s (%s) match",
av[0], lhs, av[1], av[2], rhs);
} else if (!strcmp(cmp, "~") || !strcmp(cmp, "!~")) {
vre = VRE_compile(rhs, 0, &error, &erroroffset);
if (vre == NULL)
vtc_log(hp->vl, 0, "REGEXP error: %s (@%d) (%s)",
error, erroroffset, rhs);
i = VRE_exec(vre, lhs, strlen(lhs), 0, 0, NULL, 0, 0);
if ((i >= 0 && *cmp == '~') || (i < 0 && *cmp == '!'))
vtc_log(hp->vl, 4, "EXPECT %s (%s) %s \"%s\" match",
av[0], lhs, cmp, rhs);
else
vtc_log(hp->vl, 0, "EXPECT %s (%s) %s \"%s\" failed",
av[0], lhs, cmp, rhs);
VRE_free(&vre);
} else {
vtc_log(hp->vl, 0,
"EXPECT %s (%s) %s %s (%s) test not implemented",
av[0], lhs, av[1], av[2], rhs);
}
}
void
VRT_re_fini(void *rep)
{
vre_t *vv;
vv = rep;
if (rep != NULL)
VRE_free(&vv);
}
void
vtc_expect(struct vtclog *vl,
const char *olhs, const char *lhs,
const char *cmp,
const char *orhs, const char *rhs)
{
vre_t *vre;
const char *error;
int erroroffset;
int i, j, retval = -1;
double fl, fr;
j = lhs == NULL || rhs == NULL;
if (lhs == NULL)
lhs = "<undef>";
if (rhs == NULL)
rhs = "<undef>";
if (!strcmp(cmp, "~") || !strcmp(cmp, "!~")) {
vre = VRE_compile(rhs, 0, &error, &erroroffset);
if (vre == NULL)
vtc_fatal(vl, "REGEXP error: %s (@%d) (%s)",
error, erroroffset, rhs);
i = VRE_exec(vre, lhs, strlen(lhs), 0, 0, NULL, 0, 0);
retval = (i >= 0 && *cmp == '~') || (i < 0 && *cmp == '!');
VRE_free(&vre);
} else if (!strcmp(cmp, "==")) {
retval = strcmp(lhs, rhs) == 0;
} else if (!strcmp(cmp, "!=")) {
retval = strcmp(lhs, rhs) != 0;
} else if (j) {
// fail inequality comparisons if either side is undef'ed
retval = 0;
} else {
fl = VNUM(lhs);
fr = VNUM(rhs);
if (!strcmp(cmp, "<"))
retval = isless(fl, fr);
else if (!strcmp(cmp, ">"))
retval = isgreater(fl, fr);
else if (!strcmp(cmp, "<="))
retval = islessequal(fl, fr);
else if (!strcmp(cmp, ">="))
retval = isgreaterequal(fl, fr);
}
if (retval == -1)
vtc_fatal(vl,
"EXPECT %s (%s) %s %s (%s) test not implemented",
olhs, lhs, cmp, orhs, rhs);
else if (retval == 0)
vtc_fatal(vl, "EXPECT %s (%s) %s \"%s\" failed",
olhs, lhs, cmp, rhs);
else
vtc_log(vl, 4, "EXPECT %s (%s) %s \"%s\" match",
olhs, lhs, cmp, rhs);
}
static void
vsl_IX_free(vslf_list *list)
{
struct vslf *vslf;
while (!VTAILQ_EMPTY(list)) {
vslf = VTAILQ_FIRST(list);
CHECK_OBJ_NOTNULL(vslf, VSLF_MAGIC);
VTAILQ_REMOVE(list, vslf, list);
AN(vslf->vre);
VRE_free(&vslf->vre);
AZ(vslf->vre);
}
}
static void
vsl_IX_free(vslf_list *filters)
{
struct vslf *vslf;
while (!VTAILQ_EMPTY(filters)) {
vslf = VTAILQ_FIRST(filters);
CHECK_OBJ_NOTNULL(vslf, VSLF_MAGIC);
VTAILQ_REMOVE(filters, vslf, list);
if (vslf->tags)
vbit_destroy(vslf->tags);
AN(vslf->vre);
VRE_free(&vslf->vre);
AZ(vslf->vre);
}
}
void
vslq_deletequery(struct vslq_query **pquery)
{
struct vslq_query *query;
AN(pquery);
query = *pquery;
*pquery = NULL;
CHECK_OBJ_NOTNULL(query, VSLQ_QUERY_MAGIC);
AN(query->regex);
VRE_free(&query->regex);
AZ(query->regex);
FREE_OBJ(query);
}
vre_t *
VRE_compile(const char *pattern, int options,
const char **errptr, int *erroffset)
{
vre_t *v;
*errptr = NULL; *erroffset = 0;
ALLOC_OBJ(v, VRE_MAGIC);
if (v == NULL)
return (NULL);
v->re = pcre_compile(pattern, options, errptr, erroffset, NULL);
if (v->re == NULL) {
VRE_free(&v);
return (NULL);
}
return (v);
}
static void
cmd_http_expect(CMD_ARGS)
{
struct http *hp;
const char *lhs, *clhs;
char *cmp;
const char *rhs, *crhs;
vre_t *vre;
const char *error;
int erroroffset;
int i, retval = -1;
(void)cmd;
(void)vl;
CAST_OBJ_NOTNULL(hp, priv, HTTP_MAGIC);
AZ(strcmp(av[0], "expect"));
av++;
AN(av[0]);
AN(av[1]);
AN(av[2]);
AZ(av[3]);
lhs = cmd_var_resolve(hp, av[0]);
cmp = av[1];
rhs = cmd_var_resolve(hp, av[2]);
clhs = lhs ? lhs : "<undef>";
crhs = rhs ? rhs : "<undef>";
if (!strcmp(cmp, "~") || !strcmp(cmp, "!~")) {
vre = VRE_compile(crhs, 0, &error, &erroroffset);
if (vre == NULL)
vtc_log(hp->vl, 0, "REGEXP error: %s (@%d) (%s)",
error, erroroffset, crhs);
i = VRE_exec(vre, clhs, strlen(clhs), 0, 0, NULL, 0, 0);
retval = (i >= 0 && *cmp == '~') || (i < 0 && *cmp == '!');
VRE_free(&vre);
} else if (!strcmp(cmp, "==")) {
retval = strcmp(clhs, crhs) == 0;
} else if (!strcmp(cmp, "!=")) {
retval = strcmp(clhs, crhs) != 0;
} else if (lhs == NULL || rhs == NULL) {
// fail inequality comparisons if either side is undef'ed
retval = 0;
} else if (!strcmp(cmp, "<")) {
retval = isless(VNUM(lhs), VNUM(rhs));
} else if (!strcmp(cmp, ">")) {
retval = isgreater(VNUM(lhs), VNUM(rhs));
} else if (!strcmp(cmp, "<=")) {
retval = islessequal(VNUM(lhs), VNUM(rhs));
} else if (!strcmp(cmp, ">=")) {
retval = isgreaterequal(VNUM(lhs), VNUM(rhs));
}
if (retval == -1)
vtc_log(hp->vl, 0,
"EXPECT %s (%s) %s %s (%s) test not implemented",
av[0], clhs, av[1], av[2], crhs);
else
vtc_log(hp->vl, retval ? 4 : 0, "EXPECT %s (%s) %s \"%s\" %s",
av[0], clhs, cmp, crhs, retval ? "match" : "failed");
}
