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-rw-r--r--uri/apr_uri.c962
1 files changed, 962 insertions, 0 deletions
diff --git a/uri/apr_uri.c b/uri/apr_uri.c
new file mode 100644
index 0000000..ca5c49d
--- /dev/null
+++ b/uri/apr_uri.c
@@ -0,0 +1,962 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * apr_uri.c: URI related utility things
+ *
+ */
+
+#include <stdlib.h>
+
+#include "apu.h"
+#include "apr.h"
+#include "apr_general.h"
+#include "apr_strings.h"
+
+#define APR_WANT_STRFUNC
+#include "apr_want.h"
+
+#include "apr_uri.h"
+
+typedef struct schemes_t schemes_t;
+
+/** Structure to store various schemes and their default ports */
+struct schemes_t {
+ /** The name of the scheme */
+ const char *name;
+ /** The default port for the scheme */
+ apr_port_t default_port;
+};
+
+/* Some WWW schemes and their default ports; this is basically /etc/services */
+/* This will become global when the protocol abstraction comes */
+/* As the schemes are searched by a linear search, */
+/* they are sorted by their expected frequency */
+static schemes_t schemes[] =
+{
+ {"http", APR_URI_HTTP_DEFAULT_PORT},
+ {"ftp", APR_URI_FTP_DEFAULT_PORT},
+ {"https", APR_URI_HTTPS_DEFAULT_PORT},
+ {"gopher", APR_URI_GOPHER_DEFAULT_PORT},
+ {"ldap", APR_URI_LDAP_DEFAULT_PORT},
+ {"nntp", APR_URI_NNTP_DEFAULT_PORT},
+ {"snews", APR_URI_SNEWS_DEFAULT_PORT},
+ {"imap", APR_URI_IMAP_DEFAULT_PORT},
+ {"pop", APR_URI_POP_DEFAULT_PORT},
+ {"sip", APR_URI_SIP_DEFAULT_PORT},
+ {"rtsp", APR_URI_RTSP_DEFAULT_PORT},
+ {"wais", APR_URI_WAIS_DEFAULT_PORT},
+ {"z39.50r", APR_URI_WAIS_DEFAULT_PORT},
+ {"z39.50s", APR_URI_WAIS_DEFAULT_PORT},
+ {"prospero", APR_URI_PROSPERO_DEFAULT_PORT},
+ {"nfs", APR_URI_NFS_DEFAULT_PORT},
+ {"tip", APR_URI_TIP_DEFAULT_PORT},
+ {"acap", APR_URI_ACAP_DEFAULT_PORT},
+ {"telnet", APR_URI_TELNET_DEFAULT_PORT},
+ {"ssh", APR_URI_SSH_DEFAULT_PORT},
+ { NULL, 0xFFFF } /* unknown port */
+};
+
+APU_DECLARE(apr_port_t) apr_uri_port_of_scheme(const char *scheme_str)
+{
+ schemes_t *scheme;
+
+ if (scheme_str) {
+ for (scheme = schemes; scheme->name != NULL; ++scheme) {
+ if (strcasecmp(scheme_str, scheme->name) == 0) {
+ return scheme->default_port;
+ }
+ }
+ }
+ return 0;
+}
+
+/* Unparse a apr_uri_t structure to an URI string.
+ * Optionally suppress the password for security reasons.
+ */
+APU_DECLARE(char *) apr_uri_unparse(apr_pool_t *p,
+ const apr_uri_t *uptr,
+ unsigned flags)
+{
+ char *ret = "";
+
+ /* If suppressing the site part, omit both user name & scheme://hostname */
+ if (!(flags & APR_URI_UNP_OMITSITEPART)) {
+
+ /* Construct a "user:password@" string, honoring the passed
+ * APR_URI_UNP_ flags: */
+ if (uptr->user || uptr->password) {
+ ret = apr_pstrcat(p,
+ (uptr->user && !(flags & APR_URI_UNP_OMITUSER))
+ ? uptr->user : "",
+ (uptr->password && !(flags & APR_URI_UNP_OMITPASSWORD))
+ ? ":" : "",
+ (uptr->password && !(flags & APR_URI_UNP_OMITPASSWORD))
+ ? ((flags & APR_URI_UNP_REVEALPASSWORD)
+ ? uptr->password : "XXXXXXXX")
+ : "",
+ ((uptr->user && !(flags & APR_URI_UNP_OMITUSER)) ||
+ (uptr->password && !(flags & APR_URI_UNP_OMITPASSWORD)))
+ ? "@" : "",
+ NULL);
+ }
+
+ /* Construct scheme://site string */
+ if (uptr->hostname) {
+ int is_default_port;
+ const char *lbrk = "", *rbrk = "";
+
+ if (strchr(uptr->hostname, ':')) { /* v6 literal */
+ lbrk = "[";
+ rbrk = "]";
+ }
+
+ is_default_port =
+ (uptr->port_str == NULL ||
+ uptr->port == 0 ||
+ uptr->port == apr_uri_port_of_scheme(uptr->scheme));
+
+ ret = apr_pstrcat(p, "//", ret, lbrk, uptr->hostname, rbrk,
+ is_default_port ? "" : ":",
+ is_default_port ? "" : uptr->port_str,
+ NULL);
+ }
+ if (uptr->scheme) {
+ ret = apr_pstrcat(p, uptr->scheme, ":", ret, NULL);
+ }
+ }
+
+ /* Should we suppress all path info? */
+ if (!(flags & APR_URI_UNP_OMITPATHINFO)) {
+ /* Append path, query and fragment strings: */
+ ret = apr_pstrcat(p,
+ ret,
+ (uptr->path)
+ ? uptr->path : "",
+ (uptr->query && !(flags & APR_URI_UNP_OMITQUERY))
+ ? "?" : "",
+ (uptr->query && !(flags & APR_URI_UNP_OMITQUERY))
+ ? uptr->query : "",
+ (uptr->fragment && !(flags & APR_URI_UNP_OMITQUERY))
+ ? "#" : NULL,
+ (uptr->fragment && !(flags & APR_URI_UNP_OMITQUERY))
+ ? uptr->fragment : NULL,
+ NULL);
+ }
+ return ret;
+}
+
+/* Here is the hand-optimized parse_uri_components(). There are some wild
+ * tricks we could pull in assembly language that we don't pull here... like we
+ * can do word-at-time scans for delimiter characters using the same technique
+ * that fast memchr()s use. But that would be way non-portable. -djg
+ */
+
+/* We have a apr_table_t that we can index by character and it tells us if the
+ * character is one of the interesting delimiters. Note that we even get
+ * compares for NUL for free -- it's just another delimiter.
+ */
+
+#define T_SLASH 0x01 /* '/' */
+#define T_QUESTION 0x02 /* '?' */
+#define T_HASH 0x04 /* '#' */
+#define T_ALPHA 0x08 /* 'A' ... 'Z', 'a' ... 'z' */
+#define T_SCHEME 0x10 /* '0' ... '9', '-', '+', '.'
+ * (allowed in scheme except first char)
+ */
+#define T_NUL 0x80 /* '\0' */
+
+#if APR_CHARSET_EBCDIC
+/* Delimiter table for the EBCDIC character set */
+static const unsigned char uri_delims[256] = {
+ T_NUL, /* 0x00 */
+ 0, /* 0x01 */
+ 0, /* 0x02 */
+ 0, /* 0x03 */
+ 0, /* 0x04 */
+ 0, /* 0x05 */
+ 0, /* 0x06 */
+ 0, /* 0x07 */
+ 0, /* 0x08 */
+ 0, /* 0x09 */
+ 0, /* 0x0a */
+ 0, /* 0x0b */
+ 0, /* 0x0c */
+ 0, /* 0x0d */
+ 0, /* 0x0e */
+ 0, /* 0x0f */
+ 0, /* 0x10 */
+ 0, /* 0x11 */
+ 0, /* 0x12 */
+ 0, /* 0x13 */
+ 0, /* 0x14 */
+ 0, /* 0x15 */
+ 0, /* 0x16 */
+ 0, /* 0x17 */
+ 0, /* 0x18 */
+ 0, /* 0x19 */
+ 0, /* 0x1a */
+ 0, /* 0x1b */
+ 0, /* 0x1c */
+ 0, /* 0x1d */
+ 0, /* 0x1e */
+ 0, /* 0x1f */
+ 0, /* 0x20 */
+ 0, /* 0x21 */
+ 0, /* 0x22 */
+ 0, /* 0x23 */
+ 0, /* 0x24 */
+ 0, /* 0x25 */
+ 0, /* 0x26 */
+ 0, /* 0x27 */
+ 0, /* 0x28 */
+ 0, /* 0x29 */
+ 0, /* 0x2a */
+ 0, /* 0x2b */
+ 0, /* 0x2c */
+ 0, /* 0x2d */
+ 0, /* 0x2e */
+ 0, /* 0x2f */
+ 0, /* 0x30 */
+ 0, /* 0x31 */
+ 0, /* 0x32 */
+ 0, /* 0x33 */
+ 0, /* 0x34 */
+ 0, /* 0x35 */
+ 0, /* 0x36 */
+ 0, /* 0x37 */
+ 0, /* 0x38 */
+ 0, /* 0x39 */
+ 0, /* 0x3a */
+ 0, /* 0x3b */
+ 0, /* 0x3c */
+ 0, /* 0x3d */
+ 0, /* 0x3e */
+ 0, /* 0x3f */
+ 0, /* 0x40 ' ' */
+ 0, /* 0x41 */
+ 0, /* 0x42 */
+ 0, /* 0x43 */
+ 0, /* 0x44 */
+ 0, /* 0x45 */
+ 0, /* 0x46 */
+ 0, /* 0x47 */
+ 0, /* 0x48 */
+ 0, /* 0x49 */
+ 0, /* 0x4a '[' */
+ T_SCHEME, /* 0x4b '.' */
+ 0, /* 0x4c '<' */
+ 0, /* 0x4d '(' */
+ T_SCHEME, /* 0x4e '+' */
+ 0, /* 0x4f '!' */
+ 0, /* 0x50 '&' */
+ 0, /* 0x51 */
+ 0, /* 0x52 */
+ 0, /* 0x53 */
+ 0, /* 0x54 */
+ 0, /* 0x55 */
+ 0, /* 0x56 */
+ 0, /* 0x57 */
+ 0, /* 0x58 */
+ 0, /* 0x59 */
+ 0, /* 0x5a ']' */
+ 0, /* 0x5b '$' */
+ 0, /* 0x5c '*' */
+ 0, /* 0x5d ')' */
+ 0, /* 0x5e ';' */
+ 0, /* 0x5f '^' */
+ T_SCHEME, /* 0x60 '-' */
+ T_SLASH, /* 0x61 '/' */
+ 0, /* 0x62 */
+ 0, /* 0x63 */
+ 0, /* 0x64 */
+ 0, /* 0x65 */
+ 0, /* 0x66 */
+ 0, /* 0x67 */
+ 0, /* 0x68 */
+ 0, /* 0x69 */
+ 0, /* 0x6a '|' */
+ 0, /* 0x6b ',' */
+ 0, /* 0x6c '%' */
+ 0, /* 0x6d '_' */
+ 0, /* 0x6e '>' */
+ T_QUESTION, /* 0x6f '?' */
+ 0, /* 0x70 */
+ 0, /* 0x71 */
+ 0, /* 0x72 */
+ 0, /* 0x73 */
+ 0, /* 0x74 */
+ 0, /* 0x75 */
+ 0, /* 0x76 */
+ 0, /* 0x77 */
+ 0, /* 0x78 */
+ 0, /* 0x79 '`' */
+ 0, /* 0x7a ':' */
+ T_HASH, /* 0x7b '#' */
+ 0, /* 0x7c '@' */
+ 0, /* 0x7d ''' */
+ 0, /* 0x7e '=' */
+ 0, /* 0x7f '"' */
+ 0, /* 0x80 */
+ T_ALPHA, /* 0x81 'a' */
+ T_ALPHA, /* 0x82 'b' */
+ T_ALPHA, /* 0x83 'c' */
+ T_ALPHA, /* 0x84 'd' */
+ T_ALPHA, /* 0x85 'e' */
+ T_ALPHA, /* 0x86 'f' */
+ T_ALPHA, /* 0x87 'g' */
+ T_ALPHA, /* 0x88 'h' */
+ T_ALPHA, /* 0x89 'i' */
+ 0, /* 0x8a */
+ 0, /* 0x8b */
+ 0, /* 0x8c */
+ 0, /* 0x8d */
+ 0, /* 0x8e */
+ 0, /* 0x8f */
+ 0, /* 0x90 */
+ T_ALPHA, /* 0x91 'j' */
+ T_ALPHA, /* 0x92 'k' */
+ T_ALPHA, /* 0x93 'l' */
+ T_ALPHA, /* 0x94 'm' */
+ T_ALPHA, /* 0x95 'n' */
+ T_ALPHA, /* 0x96 'o' */
+ T_ALPHA, /* 0x97 'p' */
+ T_ALPHA, /* 0x98 'q' */
+ T_ALPHA, /* 0x99 'r' */
+ 0, /* 0x9a */
+ 0, /* 0x9b */
+ 0, /* 0x9c */
+ 0, /* 0x9d */
+ 0, /* 0x9e */
+ 0, /* 0x9f */
+ 0, /* 0xa0 */
+ 0, /* 0xa1 '~' */
+ T_ALPHA, /* 0xa2 's' */
+ T_ALPHA, /* 0xa3 't' */
+ T_ALPHA, /* 0xa4 'u' */
+ T_ALPHA, /* 0xa5 'v' */
+ T_ALPHA, /* 0xa6 'w' */
+ T_ALPHA, /* 0xa7 'x' */
+ T_ALPHA, /* 0xa8 'y' */
+ T_ALPHA, /* 0xa9 'z' */
+ 0, /* 0xaa */
+ 0, /* 0xab */
+ 0, /* 0xac */
+ 0, /* 0xad */
+ 0, /* 0xae */
+ 0, /* 0xaf */
+ 0, /* 0xb0 */
+ 0, /* 0xb1 */
+ 0, /* 0xb2 */
+ 0, /* 0xb3 */
+ 0, /* 0xb4 */
+ 0, /* 0xb5 */
+ 0, /* 0xb6 */
+ 0, /* 0xb7 */
+ 0, /* 0xb8 */
+ 0, /* 0xb9 */
+ 0, /* 0xba */
+ 0, /* 0xbb */
+ 0, /* 0xbc */
+ 0, /* 0xbd */
+ 0, /* 0xbe */
+ 0, /* 0xbf */
+ 0, /* 0xc0 '{' */
+ T_ALPHA, /* 0xc1 'A' */
+ T_ALPHA, /* 0xc2 'B' */
+ T_ALPHA, /* 0xc3 'C' */
+ T_ALPHA, /* 0xc4 'D' */
+ T_ALPHA, /* 0xc5 'E' */
+ T_ALPHA, /* 0xc6 'F' */
+ T_ALPHA, /* 0xc7 'G' */
+ T_ALPHA, /* 0xc8 'H' */
+ T_ALPHA, /* 0xc9 'I' */
+ 0, /* 0xca */
+ 0, /* 0xcb */
+ 0, /* 0xcc */
+ 0, /* 0xcd */
+ 0, /* 0xce */
+ 0, /* 0xcf */
+ 0, /* 0xd0 '}' */
+ T_ALPHA, /* 0xd1 'J' */
+ T_ALPHA, /* 0xd2 'K' */
+ T_ALPHA, /* 0xd3 'L' */
+ T_ALPHA, /* 0xd4 'M' */
+ T_ALPHA, /* 0xd5 'N' */
+ T_ALPHA, /* 0xd6 'O' */
+ T_ALPHA, /* 0xd7 'P' */
+ T_ALPHA, /* 0xd8 'Q' */
+ T_ALPHA, /* 0xd9 'R' */
+ 0, /* 0xda */
+ 0, /* 0xdb */
+ 0, /* 0xdc */
+ 0, /* 0xdd */
+ 0, /* 0xde */
+ 0, /* 0xdf */
+ 0, /* 0xe0 '\' */
+ 0, /* 0xe1 */
+ T_ALPHA, /* 0xe2 'S' */
+ T_ALPHA, /* 0xe3 'T' */
+ T_ALPHA, /* 0xe4 'U' */
+ T_ALPHA, /* 0xe5 'V' */
+ T_ALPHA, /* 0xe6 'W' */
+ T_ALPHA, /* 0xe7 'X' */
+ T_ALPHA, /* 0xe8 'Y' */
+ T_ALPHA, /* 0xe9 'Z' */
+ 0, /* 0xea */
+ 0, /* 0xeb */
+ 0, /* 0xec */
+ 0, /* 0xed */
+ 0, /* 0xee */
+ 0, /* 0xef */
+ T_SCHEME, /* 0xf0 '0' */
+ T_SCHEME, /* 0xf1 '1' */
+ T_SCHEME, /* 0xf2 '2' */
+ T_SCHEME, /* 0xf3 '3' */
+ T_SCHEME, /* 0xf4 '4' */
+ T_SCHEME, /* 0xf5 '5' */
+ T_SCHEME, /* 0xf6 '6' */
+ T_SCHEME, /* 0xf7 '7' */
+ T_SCHEME, /* 0xf8 '8' */
+ T_SCHEME, /* 0xf9 '9' */
+ 0, /* 0xfa */
+ 0, /* 0xfb */
+ 0, /* 0xfc */
+ 0, /* 0xfd */
+ 0, /* 0xfe */
+ 0 /* 0xff */
+};
+#else
+/* Delimiter table for the ASCII character set */
+static const unsigned char uri_delims[256] = {
+ T_NUL, /* 0x00 */
+ 0, /* 0x01 */
+ 0, /* 0x02 */
+ 0, /* 0x03 */
+ 0, /* 0x04 */
+ 0, /* 0x05 */
+ 0, /* 0x06 */
+ 0, /* 0x07 */
+ 0, /* 0x08 */
+ 0, /* 0x09 */
+ 0, /* 0x0a */
+ 0, /* 0x0b */
+ 0, /* 0x0c */
+ 0, /* 0x0d */
+ 0, /* 0x0e */
+ 0, /* 0x0f */
+ 0, /* 0x10 */
+ 0, /* 0x11 */
+ 0, /* 0x12 */
+ 0, /* 0x13 */
+ 0, /* 0x14 */
+ 0, /* 0x15 */
+ 0, /* 0x16 */
+ 0, /* 0x17 */
+ 0, /* 0x18 */
+ 0, /* 0x19 */
+ 0, /* 0x1a */
+ 0, /* 0x1b */
+ 0, /* 0x1c */
+ 0, /* 0x1d */
+ 0, /* 0x1e */
+ 0, /* 0x1f */
+ 0, /* 0x20 ' ' */
+ 0, /* 0x21 '!' */
+ 0, /* 0x22 '"' */
+ T_HASH, /* 0x23 '#' */
+ 0, /* 0x24 '$' */
+ 0, /* 0x25 '%' */
+ 0, /* 0x26 '&' */
+ 0, /* 0x27 ''' */
+ 0, /* 0x28 '(' */
+ 0, /* 0x29 ')' */
+ 0, /* 0x2a '*' */
+ T_SCHEME, /* 0x2b '+' */
+ 0, /* 0x2c ',' */
+ T_SCHEME, /* 0x2d '-' */
+ T_SCHEME, /* 0x2e '.' */
+ T_SLASH, /* 0x2f '/' */
+ T_SCHEME, /* 0x30 '0' */
+ T_SCHEME, /* 0x31 '1' */
+ T_SCHEME, /* 0x32 '2' */
+ T_SCHEME, /* 0x33 '3' */
+ T_SCHEME, /* 0x34 '4' */
+ T_SCHEME, /* 0x35 '5' */
+ T_SCHEME, /* 0x36 '6' */
+ T_SCHEME, /* 0x37 '7' */
+ T_SCHEME, /* 0x38 '8' */
+ T_SCHEME, /* 0x39 '9' */
+ 0, /* 0x3a ':' */
+ 0, /* 0x3b ';' */
+ 0, /* 0x3c '<' */
+ 0, /* 0x3d '=' */
+ 0, /* 0x3e '>' */
+ T_QUESTION, /* 0x3f '?' */
+ 0, /* 0x40 '@' */
+ T_ALPHA, /* 0x41 'A' */
+ T_ALPHA, /* 0x42 'B' */
+ T_ALPHA, /* 0x43 'C' */
+ T_ALPHA, /* 0x44 'D' */
+ T_ALPHA, /* 0x45 'E' */
+ T_ALPHA, /* 0x46 'F' */
+ T_ALPHA, /* 0x47 'G' */
+ T_ALPHA, /* 0x48 'H' */
+ T_ALPHA, /* 0x49 'I' */
+ T_ALPHA, /* 0x4a 'J' */
+ T_ALPHA, /* 0x4b 'K' */
+ T_ALPHA, /* 0x4c 'L' */
+ T_ALPHA, /* 0x4d 'M' */
+ T_ALPHA, /* 0x4e 'N' */
+ T_ALPHA, /* 0x4f 'O' */
+ T_ALPHA, /* 0x50 'P' */
+ T_ALPHA, /* 0x51 'Q' */
+ T_ALPHA, /* 0x52 'R' */
+ T_ALPHA, /* 0x53 'S' */
+ T_ALPHA, /* 0x54 'T' */
+ T_ALPHA, /* 0x55 'U' */
+ T_ALPHA, /* 0x56 'V' */
+ T_ALPHA, /* 0x57 'W' */
+ T_ALPHA, /* 0x58 'X' */
+ T_ALPHA, /* 0x59 'Y' */
+ T_ALPHA, /* 0x5a 'Z' */
+ 0, /* 0x5b '[' */
+ 0, /* 0x5c '\' */
+ 0, /* 0x5d ']' */
+ 0, /* 0x5e '^' */
+ 0, /* 0x5f '_' */
+ 0, /* 0x60 '`' */
+ T_ALPHA, /* 0x61 'a' */
+ T_ALPHA, /* 0x62 'b' */
+ T_ALPHA, /* 0x63 'c' */
+ T_ALPHA, /* 0x64 'd' */
+ T_ALPHA, /* 0x65 'e' */
+ T_ALPHA, /* 0x66 'f' */
+ T_ALPHA, /* 0x67 'g' */
+ T_ALPHA, /* 0x68 'h' */
+ T_ALPHA, /* 0x69 'i' */
+ T_ALPHA, /* 0x6a 'j' */
+ T_ALPHA, /* 0x6b 'k' */
+ T_ALPHA, /* 0x6c 'l' */
+ T_ALPHA, /* 0x6d 'm' */
+ T_ALPHA, /* 0x6e 'n' */
+ T_ALPHA, /* 0x6f 'o' */
+ T_ALPHA, /* 0x70 'p' */
+ T_ALPHA, /* 0x71 'q' */
+ T_ALPHA, /* 0x72 'r' */
+ T_ALPHA, /* 0x73 's' */
+ T_ALPHA, /* 0x74 't' */
+ T_ALPHA, /* 0x75 'u' */
+ T_ALPHA, /* 0x76 'v' */
+ T_ALPHA, /* 0x77 'w' */
+ T_ALPHA, /* 0x78 'x' */
+ T_ALPHA, /* 0x79 'y' */
+ T_ALPHA, /* 0x7a 'z' */
+ 0, /* 0x7b '{' */
+ 0, /* 0x7c '|' */
+ 0, /* 0x7d '}' */
+ 0, /* 0x7e '~' */
+ 0, /* 0x7f */
+ 0, /* 0x80 */
+ 0, /* 0x81 */
+ 0, /* 0x82 */
+ 0, /* 0x83 */
+ 0, /* 0x84 */
+ 0, /* 0x85 */
+ 0, /* 0x86 */
+ 0, /* 0x87 */
+ 0, /* 0x88 */
+ 0, /* 0x89 */
+ 0, /* 0x8a */
+ 0, /* 0x8b */
+ 0, /* 0x8c */
+ 0, /* 0x8d */
+ 0, /* 0x8e */
+ 0, /* 0x8f */
+ 0, /* 0x90 */
+ 0, /* 0x91 */
+ 0, /* 0x92 */
+ 0, /* 0x93 */
+ 0, /* 0x94 */
+ 0, /* 0x95 */
+ 0, /* 0x96 */
+ 0, /* 0x97 */
+ 0, /* 0x98 */
+ 0, /* 0x99 */
+ 0, /* 0x9a */
+ 0, /* 0x9b */
+ 0, /* 0x9c */
+ 0, /* 0x9d */
+ 0, /* 0x9e */
+ 0, /* 0x9f */
+ 0, /* 0xa0 */
+ 0, /* 0xa1 */
+ 0, /* 0xa2 */
+ 0, /* 0xa3 */
+ 0, /* 0xa4 */
+ 0, /* 0xa5 */
+ 0, /* 0xa6 */
+ 0, /* 0xa7 */
+ 0, /* 0xa8 */
+ 0, /* 0xa9 */
+ 0, /* 0xaa */
+ 0, /* 0xab */
+ 0, /* 0xac */
+ 0, /* 0xad */
+ 0, /* 0xae */
+ 0, /* 0xaf */
+ 0, /* 0xb0 */
+ 0, /* 0xb1 */
+ 0, /* 0xb2 */
+ 0, /* 0xb3 */
+ 0, /* 0xb4 */
+ 0, /* 0xb5 */
+ 0, /* 0xb6 */
+ 0, /* 0xb7 */
+ 0, /* 0xb8 */
+ 0, /* 0xb9 */
+ 0, /* 0xba */
+ 0, /* 0xbb */
+ 0, /* 0xbc */
+ 0, /* 0xbd */
+ 0, /* 0xbe */
+ 0, /* 0xbf */
+ 0, /* 0xc0 */
+ 0, /* 0xc1 */
+ 0, /* 0xc2 */
+ 0, /* 0xc3 */
+ 0, /* 0xc4 */
+ 0, /* 0xc5 */
+ 0, /* 0xc6 */
+ 0, /* 0xc7 */
+ 0, /* 0xc8 */
+ 0, /* 0xc9 */
+ 0, /* 0xca */
+ 0, /* 0xcb */
+ 0, /* 0xcc */
+ 0, /* 0xcd */
+ 0, /* 0xce */
+ 0, /* 0xcf */
+ 0, /* 0xd0 */
+ 0, /* 0xd1 */
+ 0, /* 0xd2 */
+ 0, /* 0xd3 */
+ 0, /* 0xd4 */
+ 0, /* 0xd5 */
+ 0, /* 0xd6 */
+ 0, /* 0xd7 */
+ 0, /* 0xd8 */
+ 0, /* 0xd9 */
+ 0, /* 0xda */
+ 0, /* 0xdb */
+ 0, /* 0xdc */
+ 0, /* 0xdd */
+ 0, /* 0xde */
+ 0, /* 0xdf */
+ 0, /* 0xe0 */
+ 0, /* 0xe1 */
+ 0, /* 0xe2 */
+ 0, /* 0xe3 */
+ 0, /* 0xe4 */
+ 0, /* 0xe5 */
+ 0, /* 0xe6 */
+ 0, /* 0xe7 */
+ 0, /* 0xe8 */
+ 0, /* 0xe9 */
+ 0, /* 0xea */
+ 0, /* 0xeb */
+ 0, /* 0xec */
+ 0, /* 0xed */
+ 0, /* 0xee */
+ 0, /* 0xef */
+ 0, /* 0xf0 */
+ 0, /* 0xf1 */
+ 0, /* 0xf2 */
+ 0, /* 0xf3 */
+ 0, /* 0xf4 */
+ 0, /* 0xf5 */
+ 0, /* 0xf6 */
+ 0, /* 0xf7 */
+ 0, /* 0xf8 */
+ 0, /* 0xf9 */
+ 0, /* 0xfa */
+ 0, /* 0xfb */
+ 0, /* 0xfc */
+ 0, /* 0xfd */
+ 0, /* 0xfe */
+ 0 /* 0xff */
+};
+#endif
+
+
+/* it works like this:
+ if (uri_delims[ch] & NOTEND_foobar) {
+ then we're not at a delimiter for foobar
+ }
+*/
+
+#define NOTEND_HOSTINFO (T_SLASH | T_QUESTION | T_HASH | T_NUL)
+#define NOTEND_PATH (T_QUESTION | T_HASH | T_NUL)
+
+/* parse_uri_components():
+ * Parse a given URI, fill in all supplied fields of a uri_components
+ * structure. This eliminates the necessity of extracting host, port,
+ * path, query info repeatedly in the modules.
+ * Side effects:
+ * - fills in fields of uri_components *uptr
+ * - none on any of the r->* fields
+ */
+APU_DECLARE(apr_status_t) apr_uri_parse(apr_pool_t *p, const char *uri,
+ apr_uri_t *uptr)
+{
+ const char *s;
+ const char *s1;
+ const char *hostinfo;
+ char *endstr;
+ int port;
+ int v6_offset1 = 0, v6_offset2 = 0;
+
+ /* Initialize the structure. parse_uri() and parse_uri_components()
+ * can be called more than once per request.
+ */
+ memset (uptr, '\0', sizeof(*uptr));
+ uptr->is_initialized = 1;
+
+ /* We assume the processor has a branch predictor like most --
+ * it assumes forward branches are untaken and backwards are taken. That's
+ * the reason for the gotos. -djg
+ */
+ if (uri[0] == '/') {
+ /* RFC2396 #4.3 says that two leading slashes mean we have an
+ * authority component, not a path! Fixing this looks scary
+ * with the gotos here. But if the existing logic is valid,
+ * then presumably a goto pointing to deal_with_authority works.
+ *
+ * RFC2396 describes this as resolving an ambiguity. In the
+ * case of three or more slashes there would seem to be no
+ * ambiguity, so it is a path after all.
+ */
+ if (uri[1] == '/' && uri[2] != '/') {
+ s = uri + 2 ;
+ goto deal_with_authority ;
+ }
+
+deal_with_path:
+ /* we expect uri to point to first character of path ... remember
+ * that the path could be empty -- http://foobar?query for example
+ */
+ s = uri;
+ while ((uri_delims[*(unsigned char *)s] & NOTEND_PATH) == 0) {
+ ++s;
+ }
+ if (s != uri) {
+ uptr->path = apr_pstrmemdup(p, uri, s - uri);
+ }
+ if (*s == 0) {
+ return APR_SUCCESS;
+ }
+ if (*s == '?') {
+ ++s;
+ s1 = strchr(s, '#');
+ if (s1) {
+ uptr->fragment = apr_pstrdup(p, s1 + 1);
+ uptr->query = apr_pstrmemdup(p, s, s1 - s);
+ }
+ else {
+ uptr->query = apr_pstrdup(p, s);
+ }
+ return APR_SUCCESS;
+ }
+ /* otherwise it's a fragment */
+ uptr->fragment = apr_pstrdup(p, s + 1);
+ return APR_SUCCESS;
+ }
+
+ /* find the scheme: */
+ s = uri;
+ /* first char must be letter */
+ if (uri_delims[*(unsigned char *)s] & T_ALPHA) {
+ ++s;
+ while ((uri_delims[*(unsigned char *)s] & (T_ALPHA|T_SCHEME)))
+ ++s;
+ }
+ /* scheme must be non-empty and followed by : */
+ if (s != uri && s[0] == ':') {
+ uptr->scheme = apr_pstrmemdup(p, uri, s - uri);
+ s++;
+ }
+ else {
+ /* No valid scheme, restart from the beginning */
+ s = uri;
+ }
+
+ if (s[0] != '/' || s[1] != '/') {
+ if (uri == s) {
+ /*
+ * RFC 3986 3.3: If we have no scheme and no authority,
+ * the leading segment of a relative path must not contain a ':'.
+ */
+ char *first_slash = strchr(uri, '/');
+ if (first_slash) {
+ while (s < first_slash) {
+ if (s[0] == ':')
+ return APR_EGENERAL;
+ ++s;
+ }
+ /* no scheme but relative path, e.g. '../image.jpg' */
+ }
+ else {
+ if (strchr(uri, ':') != NULL)
+ return APR_EGENERAL;
+ /* no scheme, no slash, but relative path, e.g. 'image.jpg' */
+ }
+ goto deal_with_path;
+ }
+ /* scheme and relative path */
+ uri = s;
+ goto deal_with_path;
+ }
+
+ s += 2;
+
+deal_with_authority:
+ hostinfo = s;
+ while ((uri_delims[*(unsigned char *)s] & NOTEND_HOSTINFO) == 0) {
+ ++s;
+ }
+ uri = s; /* whatever follows hostinfo is start of uri */
+ uptr->hostinfo = apr_pstrmemdup(p, hostinfo, uri - hostinfo);
+
+ /* If there's a username:password@host:port, the @ we want is the last @...
+ * too bad there's no memrchr()... For the C purists, note that hostinfo
+ * is definitely not the first character of the original uri so therefore
+ * &hostinfo[-1] < &hostinfo[0] ... and this loop is valid C.
+ */
+ do {
+ --s;
+ } while (s >= hostinfo && *s != '@');
+ if (s < hostinfo) {
+ /* again we want the common case to be fall through */
+deal_with_host:
+ /* We expect hostinfo to point to the first character of
+ * the hostname. If there's a port it is the first colon,
+ * except with IPv6.
+ */
+ if (*hostinfo == '[') {
+ v6_offset1 = 1;
+ v6_offset2 = 2;
+ s = memchr(hostinfo, ']', uri - hostinfo);
+ if (s == NULL) {
+ return APR_EGENERAL;
+ }
+ if (*++s != ':') {
+ s = NULL; /* no port */
+ }
+ }
+ else {
+ s = memchr(hostinfo, ':', uri - hostinfo);
+ }
+ if (s == NULL) {
+ /* we expect the common case to have no port */
+ uptr->hostname = apr_pstrmemdup(p,
+ hostinfo + v6_offset1,
+ uri - hostinfo - v6_offset2);
+ goto deal_with_path;
+ }
+ uptr->hostname = apr_pstrmemdup(p,
+ hostinfo + v6_offset1,
+ s - hostinfo - v6_offset2);
+ ++s;
+ uptr->port_str = apr_pstrmemdup(p, s, uri - s);
+ if (uri != s) {
+ port = strtol(uptr->port_str, &endstr, 10);
+ uptr->port = port;
+ if (*endstr == '\0') {
+ goto deal_with_path;
+ }
+ /* Invalid characters after ':' found */
+ return APR_EGENERAL;
+ }
+ uptr->port = apr_uri_port_of_scheme(uptr->scheme);
+ goto deal_with_path;
+ }
+
+ /* first colon delimits username:password */
+ s1 = memchr(hostinfo, ':', s - hostinfo);
+ if (s1) {
+ uptr->user = apr_pstrmemdup(p, hostinfo, s1 - hostinfo);
+ ++s1;
+ uptr->password = apr_pstrmemdup(p, s1, s - s1);
+ }
+ else {
+ uptr->user = apr_pstrmemdup(p, hostinfo, s - hostinfo);
+ }
+ hostinfo = s + 1;
+ goto deal_with_host;
+}
+
+/* Special case for CONNECT parsing: it comes with the hostinfo part only */
+/* See the INTERNET-DRAFT document "Tunneling SSL Through a WWW Proxy"
+ * currently at http://www.mcom.com/newsref/std/tunneling_ssl.html
+ * for the format of the "CONNECT host:port HTTP/1.0" request
+ */
+APU_DECLARE(apr_status_t) apr_uri_parse_hostinfo(apr_pool_t *p,
+ const char *hostinfo,
+ apr_uri_t *uptr)
+{
+ const char *s;
+ char *endstr;
+ const char *rsb;
+ int v6_offset1 = 0;
+
+ /* Initialize the structure. parse_uri() and parse_uri_components()
+ * can be called more than once per request.
+ */
+ memset(uptr, '\0', sizeof(*uptr));
+ uptr->is_initialized = 1;
+ uptr->hostinfo = apr_pstrdup(p, hostinfo);
+
+ /* We expect hostinfo to point to the first character of
+ * the hostname. There must be a port, separated by a colon
+ */
+ if (*hostinfo == '[') {
+ if ((rsb = strchr(hostinfo, ']')) == NULL ||
+ *(rsb + 1) != ':') {
+ return APR_EGENERAL;
+ }
+ /* literal IPv6 address */
+ s = rsb + 1;
+ ++hostinfo;
+ v6_offset1 = 1;
+ }
+ else {
+ s = strchr(hostinfo, ':');
+ }
+ if (s == NULL) {
+ return APR_EGENERAL;
+ }
+ uptr->hostname = apr_pstrndup(p, hostinfo, s - hostinfo - v6_offset1);
+ ++s;
+ uptr->port_str = apr_pstrdup(p, s);
+ if (*s != '\0') {
+ uptr->port = (unsigned short) strtol(uptr->port_str, &endstr, 10);
+ if (*endstr == '\0') {
+ return APR_SUCCESS;
+ }
+ /* Invalid characters after ':' found */
+ }
+ return APR_EGENERAL;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-09 18:51:47 +0000