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114 lines
2.9 KiB
114 lines
2.9 KiB
3 months ago
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/*
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* UCW Library -- URL Functions
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*
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* (c) 1997--2004 Martin Mares <mj@ucw.cz>
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* (c) 2001 Robert Spalek <robert@ucw.cz>
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*
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* This software may be freely distributed and used according to the terms
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* of the GNU Lesser General Public License.
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*/
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#ifndef _UCW_URL_H
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#define _UCW_URL_H
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#ifdef CONFIG_UCW_CLEAN_ABI
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#define url_auto_canonicalize_rel ucw_url_auto_canonicalize_rel
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#define url_canon_split_rel ucw_url_canon_split_rel
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#define url_canonicalize ucw_url_canonicalize
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#define url_deescape ucw_url_deescape
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#define url_enescape ucw_url_enescape
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#define url_enescape_friendly ucw_url_enescape_friendly
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#define url_error ucw_url_error
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#define url_has_repeated_component ucw_url_has_repeated_component
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#define url_identify_protocol ucw_url_identify_protocol
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#define url_normalize ucw_url_normalize
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#define url_pack ucw_url_pack
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#define url_proto_names ucw_url_proto_names
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#define url_split ucw_url_split
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#endif
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#define MAX_URL_SIZE 1024
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/* Non-control meanings of control characters */
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enum {
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NCC_SEMICOLON = 1,
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NCC_SLASH = 2,
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NCC_QUEST = 3,
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NCC_COLON = 4,
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NCC_AT = 5,
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NCC_EQUAL = 6,
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NCC_AND = 7,
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NCC_HASH = 8,
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// Avoid 9 (\t) and 10 (\n)
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NCC_DOLLAR = 11,
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NCC_PLUS = 12,
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// Avoid 13 (\r)
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NCC_COMMA = 14,
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NCC_MAX = 15
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};
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#define NCC_CHARS " ;/?:@=&#\t\n$+\r,"
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/* Remove/Introduce '%' escapes */
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int url_deescape(const char *s, char *d);
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int url_enescape(const char *s, char *d);
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int url_enescape_friendly(const char *src, char *dest);
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/* URL splitting and normalization */
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struct url {
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char *protocol;
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uint protoid;
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char *user;
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char *pass;
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char *host;
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uint port; /* ~0 if unspec */
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char *rest;
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char *buf, *bufend;
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};
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int url_split(char *s, struct url *u, char *d);
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int url_normalize(struct url *u, struct url *b);
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int url_canonicalize(struct url *u);
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int url_pack(struct url *u, char *d);
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int url_canon_split_rel(const char *url, char *buf1, char *buf2, struct url *u, struct url *base);
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int url_auto_canonicalize_rel(const char *src, char *dst, struct url *base);
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uint url_identify_protocol(const char *p);
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int url_has_repeated_component(const char *url);
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static inline int url_canon_split(const char *url, char *buf1, char *buf2, struct url *u)
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{ return url_canon_split_rel(url, buf1, buf2, u, NULL); }
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static inline int url_auto_canonicalize(const char *src, char *dst)
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{ return url_auto_canonicalize_rel(src, dst, NULL); }
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/* Error codes */
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char *url_error(uint);
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#define URL_ERR_TOO_LONG 1
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#define URL_ERR_INVALID_CHAR 2
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#define URL_ERR_INVALID_ESCAPE 3
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#define URL_ERR_INVALID_ESCAPED_CHAR 4
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#define URL_ERR_INVALID_PORT 5
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#define URL_ERR_REL_NOTHING 6
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#define URL_ERR_UNKNOWN_PROTOCOL 7
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#define URL_SYNTAX_ERROR 8
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#define URL_PATH_UNDERFLOW 9
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#define URL_PROTO_UNKNOWN 0
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#define URL_PROTO_HTTP 1
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#define URL_PROTO_FTP 2
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#define URL_PROTO_FILE 3
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#define URL_PROTO_MAX 4
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#define URL_PNAMES { "unknown", "http", "ftp", "file" }
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#define URL_DEFPORTS { ~0, 80, 21, 0 }
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#define URL_PATH_FLAGS { 0, 1, 1, 1 }
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extern char *url_proto_names[];
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#endif
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