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/* Reduced from haproxy-2.7.1: src/tcpcheck.c. */
/* { dg-additional-options "-Wno-analyzer-too-complex" } */
typedef __SIZE_TYPE__ size_t;
#define NULL ((void *)0)
extern void *calloc(size_t __nmemb, size_t __size)
__attribute__((__nothrow__, __leaf__)) __attribute__((__malloc__))
__attribute__((__alloc_size__(1, 2)));
extern char *strdup(const char *__s) __attribute__((__nothrow__, __leaf__))
__attribute__((__malloc__)) __attribute__((__nonnull__(1)));
extern char *strstr(const char *__haystack, const char *__needle)
__attribute__((__nothrow__, __leaf__)) __attribute__((__pure__))
__attribute__((__nonnull__(1, 2)));
extern size_t strlen(const char *__s) __attribute__((__nothrow__, __leaf__))
__attribute__((__pure__)) __attribute__((__nonnull__(1)));
struct list {
struct list *n;
struct list *p;
};
struct buffer {
size_t size;
char *area;
size_t data;
size_t head;
};
struct proxy;
struct ist {
char *ptr;
size_t len;
};
static inline int isttest(const struct ist ist) { return ist.ptr != NULL; }
enum http_meth_t {
HTTP_METH_OPTIONS,
/* [...snip...] */
} __attribute__((packed));
struct http_meth {
enum http_meth_t meth;
struct buffer str;
};
enum tcpcheck_send_type {
/* [...snip...] */
TCPCHK_SEND_HTTP,
};
enum tcpcheck_rule_type {
TCPCHK_ACT_SEND = 0,
/* [...snip...] */
};
struct tcpcheck_http_hdr {
struct ist name;
struct list value;
struct list list;
};
struct tcpcheck_send {
enum tcpcheck_send_type type;
union {
/* [...snip...] */
struct {
unsigned int flags;
struct http_meth meth;
union {
struct ist uri;
/* [...snip...] */
};
struct ist vsn;
struct list hdrs;
/* [...snip...] */
} http;
};
};
struct tcpcheck_rule {
/* [...snip...] */
enum tcpcheck_rule_type action;
/* [...snip...] */
union {
/* [...snip...] */
struct tcpcheck_send send;
/* [...snip...] */
};
};
enum http_meth_t find_http_meth(const char *str, const int len);
void free_tcpcheck(struct tcpcheck_rule *rule, int in_pool);
void free_tcpcheck_http_hdr(struct tcpcheck_http_hdr *hdr);
#define ist(str) ({ \
char *__x = (void *)(str); \
(struct ist){ \
.ptr = __x, \
.len = __builtin_constant_p(str) ? \
((void *)str == (void *)0) ? 0 : \
__builtin_strlen(__x) : \
({ \
size_t __l = 0; \
if (__x) for (__l--; __x[++__l]; ) ; \
__l; \
}) \
}; \
})
struct tcpcheck_rule *proxy_parse_httpchk_req(char **args, int cur_arg,
struct proxy *px, char **errmsg) {
struct tcpcheck_rule *chk = NULL;
struct tcpcheck_http_hdr *hdr = NULL;
char *meth = NULL, *uri = NULL, *vsn = NULL;
char *hdrs, *body;
hdrs = (*args[cur_arg + 2] ? strstr(args[cur_arg + 2], "\r\n") : NULL);
body = (*args[cur_arg + 2] ? strstr(args[cur_arg + 2], "\r\n\r\n") : NULL);
if (hdrs || body) {
/* [...snip...] */
goto error;
}
chk = calloc(1, sizeof(*chk));
if (!chk) {
/* [...snip...] */
goto error;
}
chk->action = TCPCHK_ACT_SEND;
chk->send.type = TCPCHK_SEND_HTTP;
chk->send.http.flags |= 0x0004;
chk->send.http.meth.meth = HTTP_METH_OPTIONS;
((&chk->send.http.hdrs)->n = (&chk->send.http.hdrs)->p =
(&chk->send.http.hdrs));
if (*args[cur_arg]) {
if (!*args[cur_arg + 1])
uri = args[cur_arg];
else
meth = args[cur_arg];
}
if (*args[cur_arg + 1])
uri = args[cur_arg + 1];
if (*args[cur_arg + 2])
vsn = args[cur_arg + 2];
if (meth) { /* { dg-bogus "check of 'meth' for NULL after already dereferencing it" } */
chk->send.http.meth.meth = find_http_meth(meth, strlen(meth));
chk->send.http.meth.str.area = strdup(meth);
chk->send.http.meth.str.data = strlen(meth);
if (!chk->send.http.meth.str.area) {
/* [...snip...] */
goto error;
}
}
if (uri) {
chk->send.http.uri = ist(strdup(uri));
if (!isttest(chk->send.http.uri)) {
/* [...snip...] */
goto error;
}
}
if (vsn) { /* { dg-bogus "check of 'vsn' for NULL after already dereferencing it" } */
chk->send.http.vsn = ist(strdup(vsn));
if (!isttest(chk->send.http.vsn)) {
/* [...snip...] */
goto error;
}
}
return chk;
error:
free_tcpcheck_http_hdr(hdr);
free_tcpcheck(chk, 0);
return NULL;
}
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