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@ -13,6 +13,32 @@ |
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#include <string.h> |
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#include <errno.h> |
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/* Percent-encoding of each character, except: a-zA-Z0-9!$()*,./:;@- */ |
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static const char* url_escape_table[256] = { |
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"%00", "%01", "%02", "%03", "%04", "%05", "%06", "%07", "%08", "%09", |
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"%0a", "%0b", "%0c", "%0d", "%0e", "%0f", "%10", "%11", "%12", "%13", |
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"%14", "%15", "%16", "%17", "%18", "%19", "%1a", "%1b", "%1c", "%1d", |
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"%1e", "%1f", "%20", 0, "%22", "%23", 0, "%25", "%26", "%27", 0, 0, 0, |
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"%2b", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "%3c", "%3d", |
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"%3e", "%3f", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, "%5c", 0, "%5e", 0, "%60", 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "%7b", |
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"%7c", "%7d", 0, "%7f", "%80", "%81", "%82", "%83", "%84", "%85", |
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"%86", "%87", "%88", "%89", "%8a", "%8b", "%8c", "%8d", "%8e", "%8f", |
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"%90", "%91", "%92", "%93", "%94", "%95", "%96", "%97", "%98", "%99", |
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"%9a", "%9b", "%9c", "%9d", "%9e", "%9f", "%a0", "%a1", "%a2", "%a3", |
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"%a4", "%a5", "%a6", "%a7", "%a8", "%a9", "%aa", "%ab", "%ac", "%ad", |
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"%ae", "%af", "%b0", "%b1", "%b2", "%b3", "%b4", "%b5", "%b6", "%b7", |
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"%b8", "%b9", "%ba", "%bb", "%bc", "%bd", "%be", "%bf", "%c0", "%c1", |
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"%c2", "%c3", "%c4", "%c5", "%c6", "%c7", "%c8", "%c9", "%ca", "%cb", |
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"%cc", "%cd", "%ce", "%cf", "%d0", "%d1", "%d2", "%d3", "%d4", "%d5", |
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"%d6", "%d7", "%d8", "%d9", "%da", "%db", "%dc", "%dd", "%de", "%df", |
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"%e0", "%e1", "%e2", "%e3", "%e4", "%e5", "%e6", "%e7", "%e8", "%e9", |
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"%ea", "%eb", "%ec", "%ed", "%ee", "%ef", "%f0", "%f1", "%f2", "%f3", |
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"%f4", "%f5", "%f6", "%f7", "%f8", "%f9", "%fa", "%fb", "%fc", "%fd", |
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"%fe", "%ff" |
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}; |
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int htmlfd = STDOUT_FILENO; |
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char *fmt(const char *format, ...) |
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@ -63,9 +89,9 @@ void html_status(int code, const char *msg, int more_headers) |
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html("\n"); |
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} |
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void html_txt(char *txt) |
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void html_txt(const char *txt) |
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{ |
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char *t = txt; |
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const char *t = txt; |
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while(t && *t){ |
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int c = *t; |
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if (c=='<' || c=='>' || c=='&') { |
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@ -84,9 +110,9 @@ void html_txt(char *txt) |
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html(txt); |
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} |
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void html_ntxt(int len, char *txt) |
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void html_ntxt(int len, const char *txt) |
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{ |
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char *t = txt; |
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const char *t = txt; |
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while(t && *t && len--){ |
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int c = *t; |
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if (c=='<' || c=='>' || c=='&') { |
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@ -107,9 +133,9 @@ void html_ntxt(int len, char *txt) |
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html("..."); |
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} |
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void html_attr(char *txt) |
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void html_attr(const char *txt) |
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{ |
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char *t = txt; |
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const char *t = txt; |
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while(t && *t){ |
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int c = *t; |
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if (c=='<' || c=='>' || c=='\'' || c=='\"') { |
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@ -130,14 +156,15 @@ void html_attr(char *txt) |
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html(txt); |
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} |
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void html_url_path(char *txt) |
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void html_url_path(const char *txt) |
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{ |
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char *t = txt; |
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const char *t = txt; |
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while(t && *t){ |
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int c = *t; |
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if (c=='"' || c=='#' || c=='\'' || c=='?') { |
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const char *e = url_escape_table[c]; |
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if (e && c!='+' && c!='&' && c!='+') { |
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write(htmlfd, txt, t - txt); |
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write(htmlfd, fmt("%%%2x", c), 3); |
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write(htmlfd, e, 3); |
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txt = t+1; |
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} |
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t++; |
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@ -146,14 +173,15 @@ void html_url_path(char *txt) |
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html(txt); |
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} |
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void html_url_arg(char *txt) |
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void html_url_arg(const char *txt) |
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{ |
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char *t = txt; |
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const char *t = txt; |
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while(t && *t){ |
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int c = *t; |
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if (c=='"' || c=='#' || c=='%' || c=='&' || c=='\'' || c=='+' || c=='?') { |
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const char *e = url_escape_table[c]; |
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if (e) { |
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write(htmlfd, txt, t - txt); |
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write(htmlfd, fmt("%%%2x", c), 3); |
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write(htmlfd, e, 3); |
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txt = t+1; |
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} |
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t++; |
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@ -162,7 +190,7 @@ void html_url_arg(char *txt) |
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html(txt); |
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} |
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void html_hidden(char *name, char *value) |
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void html_hidden(const char *name, const char *value) |
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{ |
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html("<input type='hidden' name='"); |
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html_attr(name); |
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@ -171,7 +199,7 @@ void html_hidden(char *name, char *value) |
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html("'/>"); |
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} |
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void html_option(char *value, char *text, char *selected_value) |
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void html_option(const char *value, const char *text, const char *selected_value) |
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{ |
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html("<option value='"); |
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html_attr(value); |
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@ -183,7 +211,7 @@ void html_option(char *value, char *text, char *selected_value) |
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html("</option>\n"); |
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} |
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void html_link_open(char *url, char *title, char *class) |
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void html_link_open(const char *url, const char *title, const char *class) |
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{ |
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html("<a href='"); |
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html_attr(url); |
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@ -257,14 +285,14 @@ char *convert_query_hexchar(char *txt) |
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} |
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} |
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int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value)) |
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int http_parse_querystring(const char *txt_, void (*fn)(const char *name, const char *value)) |
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{ |
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char *t, *value = NULL, c; |
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char *t, *txt, *value = NULL, c; |
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if (!txt) |
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if (!txt_) |
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return 0; |
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t = txt = strdup(txt); |
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t = txt = strdup(txt_); |
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if (t == NULL) { |
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printf("Out of memory\n"); |
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exit(1); |
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