*
*/
-#include <glib.h>
-#include <string.h>
-#include <stdio.h>
+#include "qemu/osdep.h"
+#include "qemu/cutils.h"
#include "qemu/uri.h"
*/
#define IS_ALPHA(x) (IS_LOWALPHA(x) || IS_UPALPHA(x))
-
/*
* lowalpha = "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" | "j" |
* "k" | "l" | "m" | "n" | "o" | "p" | "q" | "r" | "s" | "t" |
* mark = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")"
*/
-#define IS_MARK(x) (((x) == '-') || ((x) == '_') || ((x) == '.') || \
- ((x) == '!') || ((x) == '~') || ((x) == '*') || ((x) == '\'') || \
+#define IS_MARK(x) (((x) == '-') || ((x) == '_') || ((x) == '.') || \
+ ((x) == '!') || ((x) == '~') || ((x) == '*') || ((x) == '\'') || \
((x) == '(') || ((x) == ')'))
/*
* unwise = "{" | "}" | "|" | "\" | "^" | "`"
*/
-#define IS_UNWISE(p) \
- (((*(p) == '{')) || ((*(p) == '}')) || ((*(p) == '|')) || \
- ((*(p) == '\\')) || ((*(p) == '^')) || ((*(p) == '[')) || \
- ((*(p) == ']')) || ((*(p) == '`')))
+#define IS_UNWISE(p) \
+ (((*(p) == '{')) || ((*(p) == '}')) || ((*(p) == '|')) || \
+ ((*(p) == '\\')) || ((*(p) == '^')) || ((*(p) == '[')) || \
+ ((*(p) == ']')) || ((*(p) == '`')))
/*
* reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" | "$" | "," |
* "[" | "]"
*/
-#define IS_RESERVED(x) (((x) == ';') || ((x) == '/') || ((x) == '?') || \
- ((x) == ':') || ((x) == '@') || ((x) == '&') || ((x) == '=') || \
- ((x) == '+') || ((x) == '$') || ((x) == ',') || ((x) == '[') || \
- ((x) == ']'))
+#define IS_RESERVED(x) (((x) == ';') || ((x) == '/') || ((x) == '?') || \
+ ((x) == ':') || ((x) == '@') || ((x) == '&') || ((x) == '=') || \
+ ((x) == '+') || ((x) == '$') || ((x) == ',') || ((x) == '[') || \
+ ((x) == ']'))
/*
* unreserved = alphanum | mark
* Skip to next pointer char, handle escaped sequences
*/
-#define NEXT(p) ((*p == '%')? p += 3 : p++)
+#define NEXT(p) ((*p == '%') ? p += 3 : p++)
/*
* Productions from the spec.
* path = [ abs_path | opaque_part ]
*/
-
/************************************************************************
- * *
- * RFC 3986 parser *
- * *
+ * *
+ * RFC 3986 parser *
+ * *
************************************************************************/
#define ISA_DIGIT(p) ((*(p) >= '0') && (*(p) <= '9'))
-#define ISA_ALPHA(p) (((*(p) >= 'a') && (*(p) <= 'z')) || \
+#define ISA_ALPHA(p) (((*(p) >= 'a') && (*(p) <= 'z')) || \
((*(p) >= 'A') && (*(p) <= 'Z')))
-#define ISA_HEXDIG(p) \
- (ISA_DIGIT(p) || ((*(p) >= 'a') && (*(p) <= 'f')) || \
- ((*(p) >= 'A') && (*(p) <= 'F')))
+#define ISA_HEXDIG(p) \
+ (ISA_DIGIT(p) || ((*(p) >= 'a') && (*(p) <= 'f')) || \
+ ((*(p) >= 'A') && (*(p) <= 'F')))
/*
* sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
* / "*" / "+" / "," / ";" / "="
*/
-#define ISA_SUB_DELIM(p) \
- (((*(p) == '!')) || ((*(p) == '$')) || ((*(p) == '&')) || \
- ((*(p) == '(')) || ((*(p) == ')')) || ((*(p) == '*')) || \
- ((*(p) == '+')) || ((*(p) == ',')) || ((*(p) == ';')) || \
- ((*(p) == '=')) || ((*(p) == '\'')))
+#define ISA_SUB_DELIM(p) \
+ (((*(p) == '!')) || ((*(p) == '$')) || ((*(p) == '&')) || \
+ ((*(p) == '(')) || ((*(p) == ')')) || ((*(p) == '*')) || \
+ ((*(p) == '+')) || ((*(p) == ',')) || ((*(p) == ';')) || \
+ ((*(p) == '=')) || ((*(p) == '\'')))
/*
* gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@"
*/
-#define ISA_GEN_DELIM(p) \
- (((*(p) == ':')) || ((*(p) == '/')) || ((*(p) == '?')) || \
- ((*(p) == '#')) || ((*(p) == '[')) || ((*(p) == ']')) || \
- ((*(p) == '@')))
+#define ISA_GEN_DELIM(p) \
+ (((*(p) == ':')) || ((*(p) == '/')) || ((*(p) == '?')) || \
+ ((*(p) == '#')) || ((*(p) == '[')) || ((*(p) == ']')) || \
+ ((*(p) == '@')))
/*
* reserved = gen-delims / sub-delims
/*
* unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
*/
-#define ISA_UNRESERVED(p) \
- ((ISA_ALPHA(p)) || (ISA_DIGIT(p)) || ((*(p) == '-')) || \
- ((*(p) == '.')) || ((*(p) == '_')) || ((*(p) == '~')))
+#define ISA_UNRESERVED(p) \
+ ((ISA_ALPHA(p)) || (ISA_DIGIT(p)) || ((*(p) == '-')) || \
+ ((*(p) == '.')) || ((*(p) == '_')) || ((*(p) == '~')))
/*
* pct-encoded = "%" HEXDIG HEXDIG
*/
-#define ISA_PCT_ENCODED(p) \
- ((*(p) == '%') && (ISA_HEXDIG(p + 1)) && (ISA_HEXDIG(p + 2)))
+#define ISA_PCT_ENCODED(p) \
+ ((*(p) == '%') && (ISA_HEXDIG(p + 1)) && (ISA_HEXDIG(p + 2)))
/*
* pchar = unreserved / pct-encoded / sub-delims / ":" / "@"
*/
-#define ISA_PCHAR(p) \
- (ISA_UNRESERVED(p) || ISA_PCT_ENCODED(p) || ISA_SUB_DELIM(p) || \
- ((*(p) == ':')) || ((*(p) == '@')))
+#define ISA_PCHAR(p) \
+ (ISA_UNRESERVED(p) || ISA_PCT_ENCODED(p) || ISA_SUB_DELIM(p) || \
+ ((*(p) == ':')) || ((*(p) == '@')))
/**
* rfc3986_parse_scheme:
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_scheme(URI *uri, const char **str) {
+static int rfc3986_parse_scheme(URI *uri, const char **str)
+{
const char *cur;
- if (str == NULL)
- return(-1);
+ if (str == NULL) {
+ return -1;
+ }
cur = *str;
- if (!ISA_ALPHA(cur))
- return(2);
+ if (!ISA_ALPHA(cur)) {
+ return 2;
+ }
cur++;
- while (ISA_ALPHA(cur) || ISA_DIGIT(cur) ||
- (*cur == '+') || (*cur == '-') || (*cur == '.')) cur++;
+ while (ISA_ALPHA(cur) || ISA_DIGIT(cur) || (*cur == '+') || (*cur == '-') ||
+ (*cur == '.')) {
+ cur++;
+ }
if (uri != NULL) {
g_free(uri->scheme);
- uri->scheme = g_strndup(*str, cur - *str);
+ uri->scheme = g_strndup(*str, cur - *str);
}
*str = cur;
- return(0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_fragment(URI *uri, const char **str)
+static int rfc3986_parse_fragment(URI *uri, const char **str)
{
const char *cur;
- if (str == NULL)
- return (-1);
+ if (str == NULL) {
+ return -1;
+ }
cur = *str;
while ((ISA_PCHAR(cur)) || (*cur == '/') || (*cur == '?') ||
(*cur == '[') || (*cur == ']') ||
- ((uri != NULL) && (uri->cleanup & 1) && (IS_UNWISE(cur))))
+ ((uri != NULL) && (uri->cleanup & 1) && (IS_UNWISE(cur)))) {
NEXT(cur);
+ }
if (uri != NULL) {
g_free(uri->fragment);
- if (uri->cleanup & 2)
- uri->fragment = g_strndup(*str, cur - *str);
- else
- uri->fragment = uri_string_unescape(*str, cur - *str, NULL);
+ if (uri->cleanup & 2) {
+ uri->fragment = g_strndup(*str, cur - *str);
+ } else {
+ uri->fragment = uri_string_unescape(*str, cur - *str, NULL);
+ }
}
*str = cur;
- return (0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_query(URI *uri, const char **str)
+static int rfc3986_parse_query(URI *uri, const char **str)
{
const char *cur;
- if (str == NULL)
- return (-1);
+ if (str == NULL) {
+ return -1;
+ }
cur = *str;
while ((ISA_PCHAR(cur)) || (*cur == '/') || (*cur == '?') ||
- ((uri != NULL) && (uri->cleanup & 1) && (IS_UNWISE(cur))))
+ ((uri != NULL) && (uri->cleanup & 1) && (IS_UNWISE(cur)))) {
NEXT(cur);
+ }
if (uri != NULL) {
g_free(uri->query);
- uri->query = g_strndup (*str, cur - *str);
+ uri->query = g_strndup(*str, cur - *str);
}
*str = cur;
- return (0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_port(URI *uri, const char **str)
+static int rfc3986_parse_port(URI *uri, const char **str)
{
const char *cur = *str;
int port = 0;
* @uri: pointer to an URI structure
* @str: the string to analyze
*
- * Parse an user informations part and fills in the appropriate fields
+ * Parse a user information part and fill in the appropriate fields
* of the @uri structure
*
* userinfo = *( unreserved / pct-encoded / sub-delims / ":" )
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_user_info(URI *uri, const char **str)
+static int rfc3986_parse_user_info(URI *uri, const char **str)
{
const char *cur;
cur = *str;
- while (ISA_UNRESERVED(cur) || ISA_PCT_ENCODED(cur) ||
- ISA_SUB_DELIM(cur) || (*cur == ':'))
- NEXT(cur);
+ while (ISA_UNRESERVED(cur) || ISA_PCT_ENCODED(cur) || ISA_SUB_DELIM(cur) ||
+ (*cur == ':')) {
+ NEXT(cur);
+ }
if (*cur == '@') {
- if (uri != NULL) {
+ if (uri != NULL) {
g_free(uri->user);
- if (uri->cleanup & 2)
- uri->user = g_strndup(*str, cur - *str);
- else
- uri->user = uri_string_unescape(*str, cur - *str, NULL);
- }
- *str = cur;
- return(0);
- }
- return(1);
+ if (uri->cleanup & 2) {
+ uri->user = g_strndup(*str, cur - *str);
+ } else {
+ uri->user = uri_string_unescape(*str, cur - *str, NULL);
+ }
+ }
+ *str = cur;
+ return 0;
+ }
+ return 1;
}
/**
*
* Returns 0 if found and skipped, 1 otherwise
*/
-static int
-rfc3986_parse_dec_octet(const char **str) {
+static int rfc3986_parse_dec_octet(const char **str)
+{
const char *cur = *str;
- if (!(ISA_DIGIT(cur)))
- return(1);
- if (!ISA_DIGIT(cur+1))
- cur++;
- else if ((*cur != '0') && (ISA_DIGIT(cur + 1)) && (!ISA_DIGIT(cur+2)))
- cur += 2;
- else if ((*cur == '1') && (ISA_DIGIT(cur + 1)) && (ISA_DIGIT(cur + 2)))
- cur += 3;
- else if ((*cur == '2') && (*(cur + 1) >= '0') &&
- (*(cur + 1) <= '4') && (ISA_DIGIT(cur + 2)))
- cur += 3;
- else if ((*cur == '2') && (*(cur + 1) == '5') &&
- (*(cur + 2) >= '0') && (*(cur + 1) <= '5'))
- cur += 3;
- else
- return(1);
+ if (!(ISA_DIGIT(cur))) {
+ return 1;
+ }
+ if (!ISA_DIGIT(cur + 1)) {
+ cur++;
+ } else if ((*cur != '0') && (ISA_DIGIT(cur + 1)) && (!ISA_DIGIT(cur + 2))) {
+ cur += 2;
+ } else if ((*cur == '1') && (ISA_DIGIT(cur + 1)) && (ISA_DIGIT(cur + 2))) {
+ cur += 3;
+ } else if ((*cur == '2') && (*(cur + 1) >= '0') && (*(cur + 1) <= '4') &&
+ (ISA_DIGIT(cur + 2))) {
+ cur += 3;
+ } else if ((*cur == '2') && (*(cur + 1) == '5') && (*(cur + 2) >= '0') &&
+ (*(cur + 1) <= '5')) {
+ cur += 3;
+ } else {
+ return 1;
+ }
*str = cur;
- return(0);
+ return 0;
}
/**
* rfc3986_parse_host:
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_host(URI *uri, const char **str)
+static int rfc3986_parse_host(URI *uri, const char **str)
{
const char *cur = *str;
const char *host;
*/
if (*cur == '[') {
cur++;
- while ((*cur != ']') && (*cur != 0))
- cur++;
- if (*cur != ']')
- return(1);
- cur++;
- goto found;
+ while ((*cur != ']') && (*cur != 0)) {
+ cur++;
+ }
+ if (*cur != ']') {
+ return 1;
+ }
+ cur++;
+ goto found;
}
/*
* try to parse an IPv4
*/
if (ISA_DIGIT(cur)) {
- if (rfc3986_parse_dec_octet(&cur) != 0)
- goto not_ipv4;
- if (*cur != '.')
- goto not_ipv4;
- cur++;
- if (rfc3986_parse_dec_octet(&cur) != 0)
- goto not_ipv4;
- if (*cur != '.')
- goto not_ipv4;
- if (rfc3986_parse_dec_octet(&cur) != 0)
- goto not_ipv4;
- if (*cur != '.')
- goto not_ipv4;
- if (rfc3986_parse_dec_octet(&cur) != 0)
- goto not_ipv4;
- goto found;
-not_ipv4:
+ if (rfc3986_parse_dec_octet(&cur) != 0) {
+ goto not_ipv4;
+ }
+ if (*cur != '.') {
+ goto not_ipv4;
+ }
+ cur++;
+ if (rfc3986_parse_dec_octet(&cur) != 0) {
+ goto not_ipv4;
+ }
+ if (*cur != '.') {
+ goto not_ipv4;
+ }
+ if (rfc3986_parse_dec_octet(&cur) != 0) {
+ goto not_ipv4;
+ }
+ if (*cur != '.') {
+ goto not_ipv4;
+ }
+ if (rfc3986_parse_dec_octet(&cur) != 0) {
+ goto not_ipv4;
+ }
+ goto found;
+ not_ipv4:
cur = *str;
}
/*
* then this should be a hostname which can be empty
*/
- while (ISA_UNRESERVED(cur) || ISA_PCT_ENCODED(cur) || ISA_SUB_DELIM(cur))
+ while (ISA_UNRESERVED(cur) || ISA_PCT_ENCODED(cur) || ISA_SUB_DELIM(cur)) {
NEXT(cur);
+ }
found:
if (uri != NULL) {
g_free(uri->authority);
- uri->authority = NULL;
+ uri->authority = NULL;
g_free(uri->server);
- if (cur != host) {
- if (uri->cleanup & 2)
- uri->server = g_strndup(host, cur - host);
- else
- uri->server = uri_string_unescape(host, cur - host, NULL);
- } else
- uri->server = NULL;
+ if (cur != host) {
+ if (uri->cleanup & 2) {
+ uri->server = g_strndup(host, cur - host);
+ } else {
+ uri->server = uri_string_unescape(host, cur - host, NULL);
+ }
+ } else {
+ uri->server = NULL;
+ }
}
*str = cur;
- return(0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_authority(URI *uri, const char **str)
+static int rfc3986_parse_authority(URI *uri, const char **str)
{
const char *cur;
int ret;
cur = *str;
/*
- * try to parse an userinfo and check for the trailing @
+ * try to parse a userinfo and check for the trailing @
*/
ret = rfc3986_parse_user_info(uri, &cur);
- if ((ret != 0) || (*cur != '@'))
+ if ((ret != 0) || (*cur != '@')) {
cur = *str;
- else
+ } else {
cur++;
+ }
ret = rfc3986_parse_host(uri, &cur);
- if (ret != 0) return(ret);
+ if (ret != 0) {
+ return ret;
+ }
if (*cur == ':') {
cur++;
ret = rfc3986_parse_port(uri, &cur);
- if (ret != 0) return(ret);
+ if (ret != 0) {
+ return ret;
+ }
}
*str = cur;
- return(0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_segment(const char **str, char forbid, int empty)
+static int rfc3986_parse_segment(const char **str, char forbid, int empty)
{
const char *cur;
cur = *str;
if (!ISA_PCHAR(cur)) {
- if (empty)
- return(0);
- return(1);
+ if (empty) {
+ return 0;
+ }
+ return 1;
}
- while (ISA_PCHAR(cur) && (*cur != forbid))
+ while (ISA_PCHAR(cur) && (*cur != forbid)) {
NEXT(cur);
+ }
*str = cur;
- return (0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_path_ab_empty(URI *uri, const char **str)
+static int rfc3986_parse_path_ab_empty(URI *uri, const char **str)
{
const char *cur;
int ret;
while (*cur == '/') {
cur++;
- ret = rfc3986_parse_segment(&cur, 0, 1);
- if (ret != 0) return(ret);
+ ret = rfc3986_parse_segment(&cur, 0, 1);
+ if (ret != 0) {
+ return ret;
+ }
}
if (uri != NULL) {
g_free(uri->path);
if (*str != cur) {
- if (uri->cleanup & 2)
+ if (uri->cleanup & 2) {
uri->path = g_strndup(*str, cur - *str);
- else
+ } else {
uri->path = uri_string_unescape(*str, cur - *str, NULL);
+ }
} else {
uri->path = NULL;
}
}
*str = cur;
- return (0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_path_absolute(URI *uri, const char **str)
+static int rfc3986_parse_path_absolute(URI *uri, const char **str)
{
const char *cur;
int ret;
cur = *str;
- if (*cur != '/')
- return(1);
+ if (*cur != '/') {
+ return 1;
+ }
cur++;
ret = rfc3986_parse_segment(&cur, 0, 0);
if (ret == 0) {
- while (*cur == '/') {
- cur++;
- ret = rfc3986_parse_segment(&cur, 0, 1);
- if (ret != 0) return(ret);
- }
+ while (*cur == '/') {
+ cur++;
+ ret = rfc3986_parse_segment(&cur, 0, 1);
+ if (ret != 0) {
+ return ret;
+ }
+ }
}
if (uri != NULL) {
g_free(uri->path);
if (cur != *str) {
- if (uri->cleanup & 2)
+ if (uri->cleanup & 2) {
uri->path = g_strndup(*str, cur - *str);
- else
+ } else {
uri->path = uri_string_unescape(*str, cur - *str, NULL);
+ }
} else {
uri->path = NULL;
}
}
*str = cur;
- return (0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_path_rootless(URI *uri, const char **str)
+static int rfc3986_parse_path_rootless(URI *uri, const char **str)
{
const char *cur;
int ret;
cur = *str;
ret = rfc3986_parse_segment(&cur, 0, 0);
- if (ret != 0) return(ret);
+ if (ret != 0) {
+ return ret;
+ }
while (*cur == '/') {
cur++;
- ret = rfc3986_parse_segment(&cur, 0, 1);
- if (ret != 0) return(ret);
+ ret = rfc3986_parse_segment(&cur, 0, 1);
+ if (ret != 0) {
+ return ret;
+ }
}
if (uri != NULL) {
g_free(uri->path);
if (cur != *str) {
- if (uri->cleanup & 2)
+ if (uri->cleanup & 2) {
uri->path = g_strndup(*str, cur - *str);
- else
+ } else {
uri->path = uri_string_unescape(*str, cur - *str, NULL);
+ }
} else {
uri->path = NULL;
}
}
*str = cur;
- return (0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_path_no_scheme(URI *uri, const char **str)
+static int rfc3986_parse_path_no_scheme(URI *uri, const char **str)
{
const char *cur;
int ret;
cur = *str;
ret = rfc3986_parse_segment(&cur, ':', 0);
- if (ret != 0) return(ret);
+ if (ret != 0) {
+ return ret;
+ }
while (*cur == '/') {
cur++;
- ret = rfc3986_parse_segment(&cur, 0, 1);
- if (ret != 0) return(ret);
+ ret = rfc3986_parse_segment(&cur, 0, 1);
+ if (ret != 0) {
+ return ret;
+ }
}
if (uri != NULL) {
g_free(uri->path);
if (cur != *str) {
- if (uri->cleanup & 2)
+ if (uri->cleanup & 2) {
uri->path = g_strndup(*str, cur - *str);
- else
+ } else {
uri->path = uri_string_unescape(*str, cur - *str, NULL);
+ }
} else {
uri->path = NULL;
}
}
*str = cur;
- return (0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_hier_part(URI *uri, const char **str)
+static int rfc3986_parse_hier_part(URI *uri, const char **str)
{
const char *cur;
int ret;
if ((*cur == '/') && (*(cur + 1) == '/')) {
cur += 2;
- ret = rfc3986_parse_authority(uri, &cur);
- if (ret != 0) return(ret);
- ret = rfc3986_parse_path_ab_empty(uri, &cur);
- if (ret != 0) return(ret);
- *str = cur;
- return(0);
+ ret = rfc3986_parse_authority(uri, &cur);
+ if (ret != 0) {
+ return ret;
+ }
+ ret = rfc3986_parse_path_ab_empty(uri, &cur);
+ if (ret != 0) {
+ return ret;
+ }
+ *str = cur;
+ return 0;
} else if (*cur == '/') {
ret = rfc3986_parse_path_absolute(uri, &cur);
- if (ret != 0) return(ret);
+ if (ret != 0) {
+ return ret;
+ }
} else if (ISA_PCHAR(cur)) {
ret = rfc3986_parse_path_rootless(uri, &cur);
- if (ret != 0) return(ret);
+ if (ret != 0) {
+ return ret;
+ }
} else {
- /* path-empty is effectively empty */
- if (uri != NULL) {
+ /* path-empty is effectively empty */
+ if (uri != NULL) {
g_free(uri->path);
- uri->path = NULL;
- }
+ uri->path = NULL;
+ }
}
*str = cur;
- return (0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_relative_ref(URI *uri, const char *str) {
+static int rfc3986_parse_relative_ref(URI *uri, const char *str)
+{
int ret;
if ((*str == '/') && (*(str + 1) == '/')) {
str += 2;
- ret = rfc3986_parse_authority(uri, &str);
- if (ret != 0) return(ret);
- ret = rfc3986_parse_path_ab_empty(uri, &str);
- if (ret != 0) return(ret);
+ ret = rfc3986_parse_authority(uri, &str);
+ if (ret != 0) {
+ return ret;
+ }
+ ret = rfc3986_parse_path_ab_empty(uri, &str);
+ if (ret != 0) {
+ return ret;
+ }
} else if (*str == '/') {
- ret = rfc3986_parse_path_absolute(uri, &str);
- if (ret != 0) return(ret);
+ ret = rfc3986_parse_path_absolute(uri, &str);
+ if (ret != 0) {
+ return ret;
+ }
} else if (ISA_PCHAR(str)) {
ret = rfc3986_parse_path_no_scheme(uri, &str);
- if (ret != 0) return(ret);
+ if (ret != 0) {
+ return ret;
+ }
} else {
- /* path-empty is effectively empty */
- if (uri != NULL) {
+ /* path-empty is effectively empty */
+ if (uri != NULL) {
g_free(uri->path);
- uri->path = NULL;
- }
+ uri->path = NULL;
+ }
}
if (*str == '?') {
- str++;
- ret = rfc3986_parse_query(uri, &str);
- if (ret != 0) return(ret);
+ str++;
+ ret = rfc3986_parse_query(uri, &str);
+ if (ret != 0) {
+ return ret;
+ }
}
if (*str == '#') {
- str++;
- ret = rfc3986_parse_fragment(uri, &str);
- if (ret != 0) return(ret);
+ str++;
+ ret = rfc3986_parse_fragment(uri, &str);
+ if (ret != 0) {
+ return ret;
+ }
}
if (*str != 0) {
- uri_clean(uri);
- return(1);
+ uri_clean(uri);
+ return 1;
}
- return(0);
+ return 0;
}
-
/**
* rfc3986_parse:
* @uri: pointer to an URI structure
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse(URI *uri, const char *str) {
+static int rfc3986_parse(URI *uri, const char *str)
+{
int ret;
ret = rfc3986_parse_scheme(uri, &str);
- if (ret != 0) return(ret);
+ if (ret != 0) {
+ return ret;
+ }
if (*str != ':') {
- return(1);
+ return 1;
}
str++;
ret = rfc3986_parse_hier_part(uri, &str);
- if (ret != 0) return(ret);
+ if (ret != 0) {
+ return ret;
+ }
if (*str == '?') {
- str++;
- ret = rfc3986_parse_query(uri, &str);
- if (ret != 0) return(ret);
+ str++;
+ ret = rfc3986_parse_query(uri, &str);
+ if (ret != 0) {
+ return ret;
+ }
}
if (*str == '#') {
- str++;
- ret = rfc3986_parse_fragment(uri, &str);
- if (ret != 0) return(ret);
+ str++;
+ ret = rfc3986_parse_fragment(uri, &str);
+ if (ret != 0) {
+ return ret;
+ }
}
if (*str != 0) {
- uri_clean(uri);
- return(1);
+ uri_clean(uri);
+ return 1;
}
- return(0);
+ return 0;
}
/**
*
* Returns 0 or the error code
*/
-static int
-rfc3986_parse_uri_reference(URI *uri, const char *str) {
+static int rfc3986_parse_uri_reference(URI *uri, const char *str)
+{
int ret;
- if (str == NULL)
- return(-1);
+ if (str == NULL) {
+ return -1;
+ }
uri_clean(uri);
/*
*/
ret = rfc3986_parse(uri, str);
if (ret != 0) {
- uri_clean(uri);
+ uri_clean(uri);
ret = rfc3986_parse_relative_ref(uri, str);
- if (ret != 0) {
- uri_clean(uri);
- return(ret);
- }
+ if (ret != 0) {
+ uri_clean(uri);
+ return ret;
+ }
}
- return(0);
+ return 0;
}
/**
*
* Returns a newly built URI or NULL in case of error
*/
-URI *
-uri_parse(const char *str) {
+URI *uri_parse(const char *str)
+{
URI *uri;
int ret;
- if (str == NULL)
- return(NULL);
+ if (str == NULL) {
+ return NULL;
+ }
uri = uri_new();
ret = rfc3986_parse_uri_reference(uri, str);
if (ret) {
uri_free(uri);
- return(NULL);
+ return NULL;
}
- return(uri);
+ return uri;
}
/**
*
* Returns 0 or the error code
*/
-int
-uri_parse_into(URI *uri, const char *str) {
- return(rfc3986_parse_uri_reference(uri, str));
+int uri_parse_into(URI *uri, const char *str)
+{
+ return rfc3986_parse_uri_reference(uri, str);
}
/**
*
* Returns a newly built URI or NULL in case of error
*/
-URI *
-uri_parse_raw(const char *str, int raw) {
+URI *uri_parse_raw(const char *str, int raw)
+{
URI *uri;
int ret;
- if (str == NULL)
- return(NULL);
+ if (str == NULL) {
+ return NULL;
+ }
uri = uri_new();
if (raw) {
uri->cleanup |= 2;
ret = uri_parse_into(uri, str);
if (ret) {
uri_free(uri);
- return(NULL);
+ return NULL;
}
- return(uri);
+ return uri;
}
/************************************************************************
- * *
- * Generic URI structure functions *
- * *
+ * *
+ * Generic URI structure functions *
+ * *
************************************************************************/
/**
*
* Returns the new structure or NULL in case of error
*/
-URI *
-uri_new(void) {
- URI *ret;
-
- ret = g_new0(URI, 1);
- return(ret);
+URI *uri_new(void)
+{
+ return g_new0(URI, 1);
}
/**
* Function to handle properly a reallocation when saving an URI
* Also imposes some limit on the length of an URI string output
*/
-static char *
-realloc2n(char *ret, int *max) {
+static char *realloc2n(char *ret, int *max)
+{
char *temp;
int tmp;
tmp = *max * 2;
temp = g_realloc(ret, (tmp + 1));
*max = tmp;
- return(temp);
+ return temp;
}
/**
*
* Returns a new string (to be deallocated by caller)
*/
-char *
-uri_to_string(URI *uri) {
+char *uri_to_string(URI *uri)
+{
char *ret = NULL;
char *temp;
const char *p;
int len;
int max;
- if (uri == NULL) return(NULL);
-
+ if (uri == NULL) {
+ return NULL;
+ }
max = 80;
ret = g_malloc(max + 1);
len = 0;
if (uri->scheme != NULL) {
- p = uri->scheme;
- while (*p != 0) {
- if (len >= max) {
+ p = uri->scheme;
+ while (*p != 0) {
+ if (len >= max) {
temp = realloc2n(ret, &max);
- ret = temp;
- }
- ret[len++] = *p++;
- }
- if (len >= max) {
+ ret = temp;
+ }
+ ret[len++] = *p++;
+ }
+ if (len >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- ret[len++] = ':';
+ }
+ ret[len++] = ':';
}
if (uri->opaque != NULL) {
- p = uri->opaque;
- while (*p != 0) {
- if (len + 3 >= max) {
+ p = uri->opaque;
+ while (*p != 0) {
+ if (len + 3 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- if (IS_RESERVED(*(p)) || IS_UNRESERVED(*(p)))
- ret[len++] = *p++;
- else {
- int val = *(unsigned char *)p++;
- int hi = val / 0x10, lo = val % 0x10;
- ret[len++] = '%';
- ret[len++] = hi + (hi > 9? 'A'-10 : '0');
- ret[len++] = lo + (lo > 9? 'A'-10 : '0');
- }
- }
+ }
+ if (IS_RESERVED(*(p)) || IS_UNRESERVED(*(p))) {
+ ret[len++] = *p++;
+ } else {
+ int val = *(unsigned char *)p++;
+ int hi = val / 0x10, lo = val % 0x10;
+ ret[len++] = '%';
+ ret[len++] = hi + (hi > 9 ? 'A' - 10 : '0');
+ ret[len++] = lo + (lo > 9 ? 'A' - 10 : '0');
+ }
+ }
} else {
- if (uri->server != NULL) {
- if (len + 3 >= max) {
+ if (uri->server != NULL) {
+ if (len + 3 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- ret[len++] = '/';
- ret[len++] = '/';
- if (uri->user != NULL) {
- p = uri->user;
- while (*p != 0) {
- if (len + 3 >= max) {
+ }
+ ret[len++] = '/';
+ ret[len++] = '/';
+ if (uri->user != NULL) {
+ p = uri->user;
+ while (*p != 0) {
+ if (len + 3 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- if ((IS_UNRESERVED(*(p))) ||
- ((*(p) == ';')) || ((*(p) == ':')) ||
- ((*(p) == '&')) || ((*(p) == '=')) ||
- ((*(p) == '+')) || ((*(p) == '$')) ||
- ((*(p) == ',')))
- ret[len++] = *p++;
- else {
- int val = *(unsigned char *)p++;
- int hi = val / 0x10, lo = val % 0x10;
- ret[len++] = '%';
- ret[len++] = hi + (hi > 9? 'A'-10 : '0');
- ret[len++] = lo + (lo > 9? 'A'-10 : '0');
- }
- }
- if (len + 3 >= max) {
+ }
+ if ((IS_UNRESERVED(*(p))) || ((*(p) == ';')) ||
+ ((*(p) == ':')) || ((*(p) == '&')) || ((*(p) == '=')) ||
+ ((*(p) == '+')) || ((*(p) == '$')) || ((*(p) == ','))) {
+ ret[len++] = *p++;
+ } else {
+ int val = *(unsigned char *)p++;
+ int hi = val / 0x10, lo = val % 0x10;
+ ret[len++] = '%';
+ ret[len++] = hi + (hi > 9 ? 'A' - 10 : '0');
+ ret[len++] = lo + (lo > 9 ? 'A' - 10 : '0');
+ }
+ }
+ if (len + 3 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- ret[len++] = '@';
- }
- p = uri->server;
- while (*p != 0) {
- if (len >= max) {
+ }
+ ret[len++] = '@';
+ }
+ p = uri->server;
+ while (*p != 0) {
+ if (len >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- ret[len++] = *p++;
- }
- if (uri->port > 0) {
- if (len + 10 >= max) {
+ }
+ ret[len++] = *p++;
+ }
+ if (uri->port > 0) {
+ if (len + 10 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- len += snprintf(&ret[len], max - len, ":%d", uri->port);
- }
- } else if (uri->authority != NULL) {
- if (len + 3 >= max) {
+ }
+ len += snprintf(&ret[len], max - len, ":%d", uri->port);
+ }
+ } else if (uri->authority != NULL) {
+ if (len + 3 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- ret[len++] = '/';
- ret[len++] = '/';
- p = uri->authority;
- while (*p != 0) {
- if (len + 3 >= max) {
+ }
+ ret[len++] = '/';
+ ret[len++] = '/';
+ p = uri->authority;
+ while (*p != 0) {
+ if (len + 3 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- if ((IS_UNRESERVED(*(p))) ||
- ((*(p) == '$')) || ((*(p) == ',')) || ((*(p) == ';')) ||
- ((*(p) == ':')) || ((*(p) == '@')) || ((*(p) == '&')) ||
- ((*(p) == '=')) || ((*(p) == '+')))
- ret[len++] = *p++;
- else {
- int val = *(unsigned char *)p++;
- int hi = val / 0x10, lo = val % 0x10;
- ret[len++] = '%';
- ret[len++] = hi + (hi > 9? 'A'-10 : '0');
- ret[len++] = lo + (lo > 9? 'A'-10 : '0');
- }
- }
- } else if (uri->scheme != NULL) {
- if (len + 3 >= max) {
+ }
+ if ((IS_UNRESERVED(*(p))) || ((*(p) == '$')) ||
+ ((*(p) == ',')) || ((*(p) == ';')) || ((*(p) == ':')) ||
+ ((*(p) == '@')) || ((*(p) == '&')) || ((*(p) == '=')) ||
+ ((*(p) == '+'))) {
+ ret[len++] = *p++;
+ } else {
+ int val = *(unsigned char *)p++;
+ int hi = val / 0x10, lo = val % 0x10;
+ ret[len++] = '%';
+ ret[len++] = hi + (hi > 9 ? 'A' - 10 : '0');
+ ret[len++] = lo + (lo > 9 ? 'A' - 10 : '0');
+ }
+ }
+ } else if (uri->scheme != NULL) {
+ if (len + 3 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- ret[len++] = '/';
- ret[len++] = '/';
- }
- if (uri->path != NULL) {
- p = uri->path;
- /*
- * the colon in file:///d: should not be escaped or
- * Windows accesses fail later.
- */
- if ((uri->scheme != NULL) &&
- (p[0] == '/') &&
- (((p[1] >= 'a') && (p[1] <= 'z')) ||
- ((p[1] >= 'A') && (p[1] <= 'Z'))) &&
- (p[2] == ':') &&
- (!strcmp(uri->scheme, "file"))) {
- if (len + 3 >= max) {
+ }
+ ret[len++] = '/';
+ ret[len++] = '/';
+ }
+ if (uri->path != NULL) {
+ p = uri->path;
+ /*
+ * the colon in file:///d: should not be escaped or
+ * Windows accesses fail later.
+ */
+ if ((uri->scheme != NULL) && (p[0] == '/') &&
+ (((p[1] >= 'a') && (p[1] <= 'z')) ||
+ ((p[1] >= 'A') && (p[1] <= 'Z'))) &&
+ (p[2] == ':') && (!strcmp(uri->scheme, "file"))) {
+ if (len + 3 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- ret[len++] = *p++;
- ret[len++] = *p++;
- ret[len++] = *p++;
- }
- while (*p != 0) {
- if (len + 3 >= max) {
+ }
+ ret[len++] = *p++;
+ ret[len++] = *p++;
+ ret[len++] = *p++;
+ }
+ while (*p != 0) {
+ if (len + 3 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- if ((IS_UNRESERVED(*(p))) || ((*(p) == '/')) ||
+ }
+ if ((IS_UNRESERVED(*(p))) || ((*(p) == '/')) ||
((*(p) == ';')) || ((*(p) == '@')) || ((*(p) == '&')) ||
- ((*(p) == '=')) || ((*(p) == '+')) || ((*(p) == '$')) ||
- ((*(p) == ',')))
- ret[len++] = *p++;
- else {
- int val = *(unsigned char *)p++;
- int hi = val / 0x10, lo = val % 0x10;
- ret[len++] = '%';
- ret[len++] = hi + (hi > 9? 'A'-10 : '0');
- ret[len++] = lo + (lo > 9? 'A'-10 : '0');
- }
- }
- }
- if (uri->query != NULL) {
- if (len + 1 >= max) {
+ ((*(p) == '=')) || ((*(p) == '+')) || ((*(p) == '$')) ||
+ ((*(p) == ','))) {
+ ret[len++] = *p++;
+ } else {
+ int val = *(unsigned char *)p++;
+ int hi = val / 0x10, lo = val % 0x10;
+ ret[len++] = '%';
+ ret[len++] = hi + (hi > 9 ? 'A' - 10 : '0');
+ ret[len++] = lo + (lo > 9 ? 'A' - 10 : '0');
+ }
+ }
+ }
+ if (uri->query != NULL) {
+ if (len + 1 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- ret[len++] = '?';
- p = uri->query;
- while (*p != 0) {
- if (len + 1 >= max) {
+ }
+ ret[len++] = '?';
+ p = uri->query;
+ while (*p != 0) {
+ if (len + 1 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- ret[len++] = *p++;
- }
- }
+ }
+ ret[len++] = *p++;
+ }
+ }
}
if (uri->fragment != NULL) {
- if (len + 3 >= max) {
+ if (len + 3 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- ret[len++] = '#';
- p = uri->fragment;
- while (*p != 0) {
- if (len + 3 >= max) {
+ }
+ ret[len++] = '#';
+ p = uri->fragment;
+ while (*p != 0) {
+ if (len + 3 >= max) {
temp = realloc2n(ret, &max);
ret = temp;
- }
- if ((IS_UNRESERVED(*(p))) || (IS_RESERVED(*(p))))
- ret[len++] = *p++;
- else {
- int val = *(unsigned char *)p++;
- int hi = val / 0x10, lo = val % 0x10;
- ret[len++] = '%';
- ret[len++] = hi + (hi > 9? 'A'-10 : '0');
- ret[len++] = lo + (lo > 9? 'A'-10 : '0');
- }
- }
+ }
+ if ((IS_UNRESERVED(*(p))) || (IS_RESERVED(*(p)))) {
+ ret[len++] = *p++;
+ } else {
+ int val = *(unsigned char *)p++;
+ int hi = val / 0x10, lo = val % 0x10;
+ ret[len++] = '%';
+ ret[len++] = hi + (hi > 9 ? 'A' - 10 : '0');
+ ret[len++] = lo + (lo > 9 ? 'A' - 10 : '0');
+ }
+ }
}
if (len >= max) {
temp = realloc2n(ret, &max);
ret = temp;
}
ret[len] = 0;
- return(ret);
+ return ret;
}
/**
*
* Make sure the URI struct is free of content
*/
-static void
-uri_clean(URI *uri) {
- if (uri == NULL) return;
+static void uri_clean(URI *uri)
+{
+ if (uri == NULL) {
+ return;
+ }
g_free(uri->scheme);
uri->scheme = NULL;
*
* Free up the URI struct
*/
-void
-uri_free(URI *uri) {
+void uri_free(URI *uri)
+{
uri_clean(uri);
g_free(uri);
}
/************************************************************************
- * *
- * Helper functions *
- * *
+ * *
+ * Helper functions *
+ * *
************************************************************************/
/**
*
* Returns 0 or an error code
*/
-static int
-normalize_uri_path(char *path) {
+static int normalize_uri_path(char *path)
+{
char *cur, *out;
- if (path == NULL)
- return(-1);
+ if (path == NULL) {
+ return -1;
+ }
/* Skip all initial "/" chars. We want to get to the beginning of the
* first non-empty segment.
*/
cur = path;
- while (cur[0] == '/')
- ++cur;
- if (cur[0] == '\0')
- return(0);
+ while (cur[0] == '/') {
+ ++cur;
+ }
+ if (cur[0] == '\0') {
+ return 0;
+ }
/* Keep everything we've seen so far. */
out = cur;
* Analyze each segment in sequence for cases (c) and (d).
*/
while (cur[0] != '\0') {
- /*
- * c) All occurrences of "./", where "." is a complete path segment,
- * are removed from the buffer string.
- */
- if ((cur[0] == '.') && (cur[1] == '/')) {
- cur += 2;
- /* '//' normalization should be done at this point too */
- while (cur[0] == '/')
- cur++;
- continue;
- }
-
- /*
- * d) If the buffer string ends with "." as a complete path segment,
- * that "." is removed.
- */
- if ((cur[0] == '.') && (cur[1] == '\0'))
- break;
-
- /* Otherwise keep the segment. */
- while (cur[0] != '/') {
- if (cur[0] == '\0')
- goto done_cd;
- (out++)[0] = (cur++)[0];
- }
- /* nomalize // */
- while ((cur[0] == '/') && (cur[1] == '/'))
- cur++;
+ /*
+ * c) All occurrences of "./", where "." is a complete path segment,
+ * are removed from the buffer string.
+ */
+ if ((cur[0] == '.') && (cur[1] == '/')) {
+ cur += 2;
+ /* '//' normalization should be done at this point too */
+ while (cur[0] == '/') {
+ cur++;
+ }
+ continue;
+ }
+
+ /*
+ * d) If the buffer string ends with "." as a complete path segment,
+ * that "." is removed.
+ */
+ if ((cur[0] == '.') && (cur[1] == '\0')) {
+ break;
+ }
+
+ /* Otherwise keep the segment. */
+ while (cur[0] != '/') {
+ if (cur[0] == '\0') {
+ goto done_cd;
+ }
+ (out++)[0] = (cur++)[0];
+ }
+ /* nomalize // */
+ while ((cur[0] == '/') && (cur[1] == '/')) {
+ cur++;
+ }
(out++)[0] = (cur++)[0];
}
- done_cd:
+done_cd:
out[0] = '\0';
/* Reset to the beginning of the first segment for the next sequence. */
cur = path;
- while (cur[0] == '/')
- ++cur;
- if (cur[0] == '\0')
- return(0);
+ while (cur[0] == '/') {
+ ++cur;
+ }
+ if (cur[0] == '\0') {
+ return 0;
+ }
/*
* Analyze each segment in sequence for cases (e) and (f).
/* Find the end of the current segment. */
segp = cur;
- while ((segp[0] != '/') && (segp[0] != '\0'))
- ++segp;
+ while ((segp[0] != '/') && (segp[0] != '\0')) {
+ ++segp;
+ }
/* If this is the last segment, we're done (we need at least two
* segments to meet the criteria for the (e) and (f) cases).
*/
- if (segp[0] == '\0')
- break;
+ if (segp[0] == '\0') {
+ break;
+ }
/* If the first segment is "..", or if the next segment _isn't_ "..",
* keep this segment and try the next one.
*/
++segp;
- if (((cur[0] == '.') && (cur[1] == '.') && (segp == cur+3))
- || ((segp[0] != '.') || (segp[1] != '.')
- || ((segp[2] != '/') && (segp[2] != '\0')))) {
- cur = segp;
- continue;
+ if (((cur[0] == '.') && (cur[1] == '.') && (segp == cur + 3)) ||
+ ((segp[0] != '.') || (segp[1] != '.') ||
+ ((segp[2] != '/') && (segp[2] != '\0')))) {
+ cur = segp;
+ continue;
}
/* If we get here, remove this segment and the next one and back up
/* If this is the end of the buffer, we're done. */
if (segp[2] == '\0') {
- cur[0] = '\0';
- break;
+ cur[0] = '\0';
+ break;
}
/* Valgrind complained, strcpy(cur, segp + 3); */
/* string will overlap, do not use strcpy */
tmp = cur;
segp += 3;
- while ((*tmp++ = *segp++) != 0)
- ;
+ while ((*tmp++ = *segp++) != 0) {
+ /* No further work */
+ }
/* If there are no previous segments, then keep going from here. */
segp = cur;
- while ((segp > path) && ((--segp)[0] == '/'))
- ;
- if (segp == path)
- continue;
+ while ((segp > path) && ((--segp)[0] == '/')) {
+ /* No further work */
+ }
+ if (segp == path) {
+ continue;
+ }
/* "segp" is pointing to the end of a previous segment; find it's
* start. We need to back up to the previous segment and start
* remove the "foo/..".
*/
cur = segp;
- while ((cur > path) && (cur[-1] != '/'))
- --cur;
+ while ((cur > path) && (cur[-1] != '/')) {
+ --cur;
+ }
}
out[0] = '\0';
* We discard them from the final path.
*/
if (path[0] == '/') {
- cur = path;
- while ((cur[0] == '/') && (cur[1] == '.') && (cur[2] == '.')
- && ((cur[3] == '/') || (cur[3] == '\0')))
- cur += 3;
+ cur = path;
+ while ((cur[0] == '/') && (cur[1] == '.') && (cur[2] == '.') &&
+ ((cur[3] == '/') || (cur[3] == '\0'))) {
+ cur += 3;
+ }
- if (cur != path) {
- out = path;
- while (cur[0] != '\0')
- (out++)[0] = (cur++)[0];
- out[0] = 0;
- }
+ if (cur != path) {
+ out = path;
+ while (cur[0] != '\0') {
+ (out++)[0] = (cur++)[0];
+ }
+ out[0] = 0;
+ }
}
- return(0);
+ return 0;
}
-static int is_hex(char c) {
- if (((c >= '0') && (c <= '9')) ||
- ((c >= 'a') && (c <= 'f')) ||
- ((c >= 'A') && (c <= 'F')))
- return(1);
- return(0);
+static int is_hex(char c)
+{
+ if (((c >= '0') && (c <= '9')) || ((c >= 'a') && (c <= 'f')) ||
+ ((c >= 'A') && (c <= 'F'))) {
+ return 1;
+ }
+ return 0;
}
-
/**
* uri_string_unescape:
* @str: the string to unescape
* Returns a copy of the string, but unescaped, will return NULL only in case
* of error
*/
-char *
-uri_string_unescape(const char *str, int len, char *target) {
+char *uri_string_unescape(const char *str, int len, char *target)
+{
char *ret, *out;
const char *in;
- if (str == NULL)
- return(NULL);
- if (len <= 0) len = strlen(str);
- if (len < 0) return(NULL);
+ if (str == NULL) {
+ return NULL;
+ }
+ if (len <= 0) {
+ len = strlen(str);
+ }
+ if (len < 0) {
+ return NULL;
+ }
if (target == NULL) {
- ret = g_malloc(len + 1);
- } else
- ret = target;
+ ret = g_malloc(len + 1);
+ } else {
+ ret = target;
+ }
in = str;
out = ret;
- while(len > 0) {
- if ((len > 2) && (*in == '%') && (is_hex(in[1])) && (is_hex(in[2]))) {
- in++;
- if ((*in >= '0') && (*in <= '9'))
- *out = (*in - '0');
- else if ((*in >= 'a') && (*in <= 'f'))
- *out = (*in - 'a') + 10;
- else if ((*in >= 'A') && (*in <= 'F'))
- *out = (*in - 'A') + 10;
- in++;
- if ((*in >= '0') && (*in <= '9'))
- *out = *out * 16 + (*in - '0');
- else if ((*in >= 'a') && (*in <= 'f'))
- *out = *out * 16 + (*in - 'a') + 10;
- else if ((*in >= 'A') && (*in <= 'F'))
- *out = *out * 16 + (*in - 'A') + 10;
- in++;
- len -= 3;
- out++;
- } else {
- *out++ = *in++;
- len--;
- }
+ while (len > 0) {
+ if ((len > 2) && (*in == '%') && (is_hex(in[1])) && (is_hex(in[2]))) {
+ in++;
+ if ((*in >= '0') && (*in <= '9')) {
+ *out = (*in - '0');
+ } else if ((*in >= 'a') && (*in <= 'f')) {
+ *out = (*in - 'a') + 10;
+ } else if ((*in >= 'A') && (*in <= 'F')) {
+ *out = (*in - 'A') + 10;
+ }
+ in++;
+ if ((*in >= '0') && (*in <= '9')) {
+ *out = *out * 16 + (*in - '0');
+ } else if ((*in >= 'a') && (*in <= 'f')) {
+ *out = *out * 16 + (*in - 'a') + 10;
+ } else if ((*in >= 'A') && (*in <= 'F')) {
+ *out = *out * 16 + (*in - 'A') + 10;
+ }
+ in++;
+ len -= 3;
+ out++;
+ } else {
+ *out++ = *in++;
+ len--;
+ }
}
*out = 0;
- return(ret);
+ return ret;
}
/**
*
* Returns a new escaped string or NULL in case of error.
*/
-char *
-uri_string_escape(const char *str, const char *list) {
+char *uri_string_escape(const char *str, const char *list)
+{
char *ret, ch;
char *temp;
const char *in;
int len, out;
- if (str == NULL)
- return(NULL);
- if (str[0] == 0)
- return(g_strdup(str));
+ if (str == NULL) {
+ return NULL;
+ }
+ if (str[0] == 0) {
+ return g_strdup(str);
+ }
len = strlen(str);
- if (!(len > 0)) return(NULL);
+ if (!(len > 0)) {
+ return NULL;
+ }
len += 20;
ret = g_malloc(len);
in = str;
out = 0;
- while(*in != 0) {
- if (len - out <= 3) {
+ while (*in != 0) {
+ if (len - out <= 3) {
temp = realloc2n(ret, &len);
- ret = temp;
- }
-
- ch = *in;
-
- if ((ch != '@') && (!IS_UNRESERVED(ch)) && (!strchr(list, ch))) {
- unsigned char val;
- ret[out++] = '%';
- val = ch >> 4;
- if (val <= 9)
- ret[out++] = '0' + val;
- else
- ret[out++] = 'A' + val - 0xA;
- val = ch & 0xF;
- if (val <= 9)
- ret[out++] = '0' + val;
- else
- ret[out++] = 'A' + val - 0xA;
- in++;
- } else {
- ret[out++] = *in++;
- }
+ ret = temp;
+ }
+ ch = *in;
+
+ if ((ch != '@') && (!IS_UNRESERVED(ch)) && (!strchr(list, ch))) {
+ unsigned char val;
+ ret[out++] = '%';
+ val = ch >> 4;
+ if (val <= 9) {
+ ret[out++] = '0' + val;
+ } else {
+ ret[out++] = 'A' + val - 0xA;
+ }
+ val = ch & 0xF;
+ if (val <= 9) {
+ ret[out++] = '0' + val;
+ } else {
+ ret[out++] = 'A' + val - 0xA;
+ }
+ in++;
+ } else {
+ ret[out++] = *in++;
+ }
}
ret[out] = 0;
- return(ret);
+ return ret;
}
/************************************************************************
- * *
- * Public functions *
- * *
+ * *
+ * Public functions *
+ * *
************************************************************************/
/**
* Returns a new URI string (to be freed by the caller) or NULL in case
* of error.
*/
-char *
-uri_resolve(const char *uri, const char *base) {
+char *uri_resolve(const char *uri, const char *base)
+{
char *val = NULL;
int ret, len, indx, cur, out;
URI *ref = NULL;
* as a reference to "." rather than as a synonym for the current
* URI. Should we do that here?
*/
- if (uri == NULL)
- ret = -1;
- else {
- if (*uri) {
- ref = uri_new();
- ret = uri_parse_into(ref, uri);
- }
- else
- ret = 0;
- }
- if (ret != 0)
- goto done;
+ if (uri == NULL) {
+ ret = -1;
+ } else {
+ if (*uri) {
+ ref = uri_new();
+ ret = uri_parse_into(ref, uri);
+ } else {
+ ret = 0;
+ }
+ }
+ if (ret != 0) {
+ goto done;
+ }
if ((ref != NULL) && (ref->scheme != NULL)) {
- /*
- * The URI is absolute don't modify.
- */
- val = g_strdup(uri);
- goto done;
- }
- if (base == NULL)
- ret = -1;
- else {
- bas = uri_new();
- ret = uri_parse_into(bas, base);
+ /*
+ * The URI is absolute don't modify.
+ */
+ val = g_strdup(uri);
+ goto done;
+ }
+ if (base == NULL) {
+ ret = -1;
+ } else {
+ bas = uri_new();
+ ret = uri_parse_into(bas, base);
}
if (ret != 0) {
- if (ref)
- val = uri_to_string(ref);
- goto done;
+ if (ref) {
+ val = uri_to_string(ref);
+ }
+ goto done;
}
if (ref == NULL) {
- /*
- * the base fragment must be ignored
- */
+ /*
+ * the base fragment must be ignored
+ */
g_free(bas->fragment);
bas->fragment = NULL;
- val = uri_to_string(bas);
- goto done;
+ val = uri_to_string(bas);
+ goto done;
}
/*
*/
res = uri_new();
if ((ref->scheme == NULL) && (ref->path == NULL) &&
- ((ref->authority == NULL) && (ref->server == NULL))) {
+ ((ref->authority == NULL) && (ref->server == NULL))) {
res->scheme = g_strdup(bas->scheme);
- if (bas->authority != NULL)
- res->authority = g_strdup(bas->authority);
- else if (bas->server != NULL) {
+ if (bas->authority != NULL) {
+ res->authority = g_strdup(bas->authority);
+ } else if (bas->server != NULL) {
res->server = g_strdup(bas->server);
res->user = g_strdup(bas->user);
res->port = bas->port;
- }
+ }
res->path = g_strdup(bas->path);
if (ref->query != NULL) {
- res->query = g_strdup (ref->query);
+ res->query = g_strdup(ref->query);
} else {
res->query = g_strdup(bas->query);
}
res->fragment = g_strdup(ref->fragment);
- goto step_7;
+ goto step_7;
}
/*
* scheme is inherited from the base URI's scheme component.
*/
if (ref->scheme != NULL) {
- val = uri_to_string(ref);
- goto done;
+ val = uri_to_string(ref);
+ goto done;
}
res->scheme = g_strdup(bas->scheme);
* use an authority component.
*/
if ((ref->authority != NULL) || (ref->server != NULL)) {
- if (ref->authority != NULL)
- res->authority = g_strdup(ref->authority);
- else {
- res->server = g_strdup(ref->server);
+ if (ref->authority != NULL) {
+ res->authority = g_strdup(ref->authority);
+ } else {
+ res->server = g_strdup(ref->server);
res->user = g_strdup(ref->user);
res->port = ref->port;
- }
+ }
res->path = g_strdup(ref->path);
- goto step_7;
+ goto step_7;
}
- if (bas->authority != NULL)
- res->authority = g_strdup(bas->authority);
- else if (bas->server != NULL) {
+ if (bas->authority != NULL) {
+ res->authority = g_strdup(bas->authority);
+ } else if (bas->server != NULL) {
res->server = g_strdup(bas->server);
res->user = g_strdup(bas->user);
- res->port = bas->port;
+ res->port = bas->port;
}
/*
* the reference is an absolute-path and we skip to step 7.
*/
if ((ref->path != NULL) && (ref->path[0] == '/')) {
- res->path = g_strdup(ref->path);
- goto step_7;
+ res->path = g_strdup(ref->path);
+ goto step_7;
}
-
/*
* 6) If this step is reached, then we are resolving a relative-path
* reference. The relative path needs to be merged with the base
* Allocate a buffer large enough for the result string.
*/
len = 2; /* extra / and 0 */
- if (ref->path != NULL)
- len += strlen(ref->path);
- if (bas->path != NULL)
- len += strlen(bas->path);
+ if (ref->path != NULL) {
+ len += strlen(ref->path);
+ }
+ if (bas->path != NULL) {
+ len += strlen(bas->path);
+ }
res->path = g_malloc(len);
res->path[0] = 0;
cur = 0;
out = 0;
if (bas->path != NULL) {
- while (bas->path[cur] != 0) {
- while ((bas->path[cur] != 0) && (bas->path[cur] != '/'))
- cur++;
- if (bas->path[cur] == 0)
- break;
-
- cur++;
- while (out < cur) {
- res->path[out] = bas->path[out];
- out++;
- }
- }
+ while (bas->path[cur] != 0) {
+ while ((bas->path[cur] != 0) && (bas->path[cur] != '/')) {
+ cur++;
+ }
+ if (bas->path[cur] == 0) {
+ break;
+ }
+
+ cur++;
+ while (out < cur) {
+ res->path[out] = bas->path[out];
+ out++;
+ }
+ }
}
res->path[out] = 0;
* string.
*/
if (ref->path != NULL && ref->path[0] != 0) {
- indx = 0;
- /*
- * Ensure the path includes a '/'
- */
- if ((out == 0) && (bas->server != NULL))
- res->path[out++] = '/';
- while (ref->path[indx] != 0) {
- res->path[out++] = ref->path[indx++];
- }
+ indx = 0;
+ /*
+ * Ensure the path includes a '/'
+ */
+ if ((out == 0) && (bas->server != NULL)) {
+ res->path[out++] = '/';
+ }
+ while (ref->path[indx] != 0) {
+ res->path[out++] = ref->path[indx++];
+ }
}
res->path[out] = 0;
val = uri_to_string(res);
done:
- if (ref != NULL)
- uri_free(ref);
- if (bas != NULL)
- uri_free(bas);
- if (res != NULL)
- uri_free(res);
- return(val);
+ if (ref != NULL) {
+ uri_free(ref);
+ }
+ if (bas != NULL) {
+ uri_free(bas);
+ }
+ if (res != NULL) {
+ uri_free(res);
+ }
+ return val;
}
/**
* Returns a new URI string (to be freed by the caller) or NULL in case
* error.
*/
-char *
-uri_resolve_relative (const char *uri, const char * base)
+char *uri_resolve_relative(const char *uri, const char *base)
{
char *val = NULL;
int ret;
char *bptr, *uptr, *vptr;
int remove_path = 0;
- if ((uri == NULL) || (*uri == 0))
- return NULL;
+ if ((uri == NULL) || (*uri == 0)) {
+ return NULL;
+ }
/*
* First parse URI into a standard form
*/
- ref = uri_new ();
+ ref = uri_new();
/* If URI not already in "relative" form */
if (uri[0] != '.') {
- ret = uri_parse_into (ref, uri);
- if (ret != 0)
- goto done; /* Error in URI, return NULL */
- } else
- ref->path = g_strdup(uri);
+ ret = uri_parse_into(ref, uri);
+ if (ret != 0) {
+ goto done; /* Error in URI, return NULL */
+ }
+ } else {
+ ref->path = g_strdup(uri);
+ }
/*
* Next parse base into the same standard form
*/
if ((base == NULL) || (*base == 0)) {
- val = g_strdup (uri);
- goto done;
+ val = g_strdup(uri);
+ goto done;
}
- bas = uri_new ();
+ bas = uri_new();
if (base[0] != '.') {
- ret = uri_parse_into (bas, base);
- if (ret != 0)
- goto done; /* Error in base, return NULL */
- } else
- bas->path = g_strdup(base);
+ ret = uri_parse_into(bas, base);
+ if (ret != 0) {
+ goto done; /* Error in base, return NULL */
+ }
+ } else {
+ bas->path = g_strdup(base);
+ }
/*
* If the scheme / server on the URI differs from the base,
* just return the URI
*/
if ((ref->scheme != NULL) &&
- ((bas->scheme == NULL) ||
- (strcmp (bas->scheme, ref->scheme)) ||
- (strcmp (bas->server, ref->server)))) {
- val = g_strdup (uri);
- goto done;
+ ((bas->scheme == NULL) || (strcmp(bas->scheme, ref->scheme)) ||
+ (strcmp(bas->server, ref->server)))) {
+ val = g_strdup(uri);
+ goto done;
}
if (bas->path == ref->path ||
(bas->path && ref->path && !strcmp(bas->path, ref->path))) {
- val = g_strdup("");
- goto done;
+ val = g_strdup("");
+ goto done;
}
if (bas->path == NULL) {
- val = g_strdup(ref->path);
- goto done;
+ val = g_strdup(ref->path);
+ goto done;
}
if (ref->path == NULL) {
- ref->path = (char *) "/";
- remove_path = 1;
+ ref->path = (char *)"/";
+ remove_path = 1;
}
/*
* two path components may be missing (bug 316224)
*/
if (bas->path == NULL) {
- if (ref->path != NULL) {
- uptr = ref->path;
- if (*uptr == '/')
- uptr++;
- /* exception characters from uri_to_string */
- val = uri_string_escape(uptr, "/;&=+$,");
- }
- goto done;
+ if (ref->path != NULL) {
+ uptr = ref->path;
+ if (*uptr == '/') {
+ uptr++;
+ }
+ /* exception characters from uri_to_string */
+ val = uri_string_escape(uptr, "/;&=+$,");
+ }
+ goto done;
}
bptr = bas->path;
if (ref->path == NULL) {
- for (ix = 0; bptr[ix] != 0; ix++) {
- if (bptr[ix] == '/')
- nbslash++;
- }
- uptr = NULL;
- len = 1; /* this is for a string terminator only */
+ for (ix = 0; bptr[ix] != 0; ix++) {
+ if (bptr[ix] == '/') {
+ nbslash++;
+ }
+ }
+ uptr = NULL;
+ len = 1; /* this is for a string terminator only */
} else {
- /*
- * Next we compare the two strings and find where they first differ
- */
- if ((ref->path[pos] == '.') && (ref->path[pos+1] == '/'))
+ /*
+ * Next we compare the two strings and find where they first differ
+ */
+ if ((ref->path[pos] == '.') && (ref->path[pos + 1] == '/')) {
pos += 2;
- if ((*bptr == '.') && (bptr[1] == '/'))
+ }
+ if ((*bptr == '.') && (bptr[1] == '/')) {
bptr += 2;
- else if ((*bptr == '/') && (ref->path[pos] != '/'))
- bptr++;
- while ((bptr[pos] == ref->path[pos]) && (bptr[pos] != 0))
- pos++;
-
- if (bptr[pos] == ref->path[pos]) {
- val = g_strdup("");
- goto done; /* (I can't imagine why anyone would do this) */
- }
-
- /*
- * In URI, "back up" to the last '/' encountered. This will be the
- * beginning of the "unique" suffix of URI
- */
- ix = pos;
- if ((ref->path[ix] == '/') && (ix > 0))
- ix--;
- else if ((ref->path[ix] == 0) && (ix > 1) && (ref->path[ix - 1] == '/'))
- ix -= 2;
- for (; ix > 0; ix--) {
- if (ref->path[ix] == '/')
- break;
- }
- if (ix == 0) {
- uptr = ref->path;
- } else {
- ix++;
- uptr = &ref->path[ix];
- }
-
- /*
- * In base, count the number of '/' from the differing point
- */
- if (bptr[pos] != ref->path[pos]) {/* check for trivial URI == base */
- for (; bptr[ix] != 0; ix++) {
- if (bptr[ix] == '/')
- nbslash++;
- }
- }
- len = strlen (uptr) + 1;
+ } else if ((*bptr == '/') && (ref->path[pos] != '/')) {
+ bptr++;
+ }
+ while ((bptr[pos] == ref->path[pos]) && (bptr[pos] != 0)) {
+ pos++;
+ }
+
+ if (bptr[pos] == ref->path[pos]) {
+ val = g_strdup("");
+ goto done; /* (I can't imagine why anyone would do this) */
+ }
+
+ /*
+ * In URI, "back up" to the last '/' encountered. This will be the
+ * beginning of the "unique" suffix of URI
+ */
+ ix = pos;
+ if ((ref->path[ix] == '/') && (ix > 0)) {
+ ix--;
+ } else if ((ref->path[ix] == 0) && (ix > 1)
+ && (ref->path[ix - 1] == '/')) {
+ ix -= 2;
+ }
+ for (; ix > 0; ix--) {
+ if (ref->path[ix] == '/') {
+ break;
+ }
+ }
+ if (ix == 0) {
+ uptr = ref->path;
+ } else {
+ ix++;
+ uptr = &ref->path[ix];
+ }
+
+ /*
+ * In base, count the number of '/' from the differing point
+ */
+ if (bptr[pos] != ref->path[pos]) { /* check for trivial URI == base */
+ for (; bptr[ix] != 0; ix++) {
+ if (bptr[ix] == '/') {
+ nbslash++;
+ }
+ }
+ }
+ len = strlen(uptr) + 1;
}
if (nbslash == 0) {
- if (uptr != NULL)
- /* exception characters from uri_to_string */
- val = uri_string_escape(uptr, "/;&=+$,");
- goto done;
+ if (uptr != NULL) {
+ /* exception characters from uri_to_string */
+ val = uri_string_escape(uptr, "/;&=+$,");
+ }
+ goto done;
}
/*
* length of the remainder of the URI, plus enough space
* for the "../" groups, plus one for the terminator
*/
- val = g_malloc (len + 3 * nbslash);
+ val = g_malloc(len + 3 * nbslash);
vptr = val;
/*
* Put in as many "../" as needed
*/
- for (; nbslash>0; nbslash--) {
- *vptr++ = '.';
- *vptr++ = '.';
- *vptr++ = '/';
+ for (; nbslash > 0; nbslash--) {
+ *vptr++ = '.';
+ *vptr++ = '.';
+ *vptr++ = '/';
}
/*
* Finish up with the end of the URI
*/
if (uptr != NULL) {
- if ((vptr > val) && (len > 0) &&
- (uptr[0] == '/') && (vptr[-1] == '/')) {
- memcpy (vptr, uptr + 1, len - 1);
- vptr[len - 2] = 0;
- } else {
- memcpy (vptr, uptr, len);
- vptr[len - 1] = 0;
- }
+ if ((vptr > val) && (len > 0) && (uptr[0] == '/') &&
+ (vptr[-1] == '/')) {
+ memcpy(vptr, uptr + 1, len - 1);
+ vptr[len - 2] = 0;
+ } else {
+ memcpy(vptr, uptr, len);
+ vptr[len - 1] = 0;
+ }
} else {
- vptr[len - 1] = 0;
+ vptr[len - 1] = 0;
}
/* escape the freshly-built path */
vptr = val;
- /* exception characters from uri_to_string */
+ /* exception characters from uri_to_string */
val = uri_string_escape(vptr, "/;&=+$,");
g_free(vptr);
/*
* Free the working variables
*/
- if (remove_path != 0)
+ if (remove_path != 0) {
ref->path = NULL;
- if (ref != NULL)
- uri_free (ref);
- if (bas != NULL)
- uri_free (bas);
+ }
+ if (ref != NULL) {
+ uri_free(ref);
+ }
+ if (bas != NULL) {
+ uri_free(bas);
+ }
return val;
}
* Utility functions to help parse and assemble query strings.
*/
-struct QueryParams *
-query_params_new (int init_alloc)
+struct QueryParams *query_params_new(int init_alloc)
{
struct QueryParams *ps;
- if (init_alloc <= 0) init_alloc = 1;
+ if (init_alloc <= 0) {
+ init_alloc = 1;
+ }
ps = g_new(QueryParams, 1);
ps->n = 0;
/* Ensure there is space to store at least one more parameter
* at the end of the set.
*/
-static int
-query_params_append (struct QueryParams *ps,
- const char *name, const char *value)
+static int query_params_append(struct QueryParams *ps, const char *name,
+ const char *value)
{
if (ps->n >= ps->alloc) {
ps->p = g_renew(QueryParam, ps->p, ps->alloc * 2);
return 0;
}
-void
-query_params_free (struct QueryParams *ps)
+void query_params_free(struct QueryParams *ps)
{
int i;
for (i = 0; i < ps->n; ++i) {
- g_free (ps->p[i].name);
- g_free (ps->p[i].value);
+ g_free(ps->p[i].name);
+ g_free(ps->p[i].value);
}
- g_free (ps->p);
- g_free (ps);
+ g_free(ps->p);
+ g_free(ps);
}
-struct QueryParams *
-query_params_parse (const char *query)
+struct QueryParams *query_params_parse(const char *query)
{
struct QueryParams *ps;
const char *end, *eq;
- ps = query_params_new (0);
- if (!query || query[0] == '\0') return ps;
+ ps = query_params_new(0);
+ if (!query || query[0] == '\0') {
+ return ps;
+ }
while (*query) {
char *name = NULL, *value = NULL;
/* Find the next separator, or end of the string. */
- end = strchr (query, '&');
- if (!end)
- end = strchr (query, ';');
- if (!end)
- end = query + strlen (query);
+ end = strchr(query, '&');
+ if (!end) {
+ end = qemu_strchrnul(query, ';');
+ }
/* Find the first '=' character between here and end. */
- eq = strchr (query, '=');
- if (eq && eq >= end) eq = NULL;
+ eq = strchr(query, '=');
+ if (eq && eq >= end) {
+ eq = NULL;
+ }
/* Empty section (eg. "&&"). */
- if (end == query)
+ if (end == query) {
goto next;
+ }
/* If there is no '=' character, then we have just "name"
* and consistent with CGI.pm we assume value is "".
*/
else if (!eq) {
- name = uri_string_unescape (query, end - query, NULL);
+ name = uri_string_unescape(query, end - query, NULL);
value = NULL;
}
/* Or if we have "name=" here (works around annoying
* problem when calling uri_string_unescape with len = 0).
*/
- else if (eq+1 == end) {
- name = uri_string_unescape (query, eq - query, NULL);
+ else if (eq + 1 == end) {
+ name = uri_string_unescape(query, eq - query, NULL);
value = g_new0(char, 1);
}
/* If the '=' character is at the beginning then we have
* "=value" and consistent with CGI.pm we _ignore_ this.
*/
- else if (query == eq)
+ else if (query == eq) {
goto next;
+ }
/* Otherwise it's "name=value". */
else {
- name = uri_string_unescape (query, eq - query, NULL);
- value = uri_string_unescape (eq+1, end - (eq+1), NULL);
+ name = uri_string_unescape(query, eq - query, NULL);
+ value = uri_string_unescape(eq + 1, end - (eq + 1), NULL);
}
/* Append to the parameter set. */
- query_params_append (ps, name, value);
+ query_params_append(ps, name, value);
g_free(name);
g_free(value);
next:
query = end;
- if (*query) query ++; /* skip '&' separator */
+ if (*query) {
+ query++; /* skip '&' separator */
+ }
}
return ps;
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