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authorGravatar Lars Hjemli <larsh@hal-2004.(none)>2007-01-05 00:53:03 (JST)
committerGravatar Lars Hjemli <larsh@hal-2004.(none)>2007-01-05 00:57:00 (JST)
commit52e605caf573fa20fdd4fbac5e1cc69b7740b1f5 (patch)
tree62c7bfb147f93a850f430185961a89ee51b8470a /parsing.c
parent05b13194b4b40a2614692125d5037ef20c5fb20e (diff)
downloadcgit-52e605caf573fa20fdd4fbac5e1cc69b7740b1f5.zip
cgit-52e605caf573fa20fdd4fbac5e1cc69b7740b1f5.tar.gz
Handle %xx encoding in querystring
Convert valid %xx expressions in querystring to ascii, ignore invalid expressions (i.e. eat the three characters %xx). Signed-off-by: Lars Hjemli <larsh@hal-2004.(none)>
Diffstat (limited to 'parsing.c')
-rw-r--r--parsing.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/parsing.c b/parsing.c
index 1b22fcf..4173dd4 100644
--- a/parsing.c
+++ b/parsing.c
@@ -79,6 +79,25 @@ int cgit_read_config(const char *filename, configfn fn)
79 return ret; 79 return ret;
80} 80}
81 81
82char *convert_query_hexchar(char *txt)
83{
84 int d1, d2;
85 if (strlen(txt) < 3) {
86 *txt = '\0';
87 return txt-1;
88 }
89 d1 = hextoint(*(txt+1));
90 d2 = hextoint(*(txt+2));
91 if (d1<0 || d2<0) {
92 strcpy(txt, txt+3);
93 return txt-1;
94 } else {
95 *txt = d1 * 16 + d2;
96 strcpy(txt+1, txt+3);
97 return txt;
98 }
99}
100
82int cgit_parse_query(char *txt, configfn fn) 101int cgit_parse_query(char *txt, configfn fn)
83{ 102{
84 char *t, *value = NULL, c; 103 char *t, *value = NULL, c;
@@ -94,6 +113,8 @@ int cgit_parse_query(char *txt, configfn fn)
94 value = t+1; 113 value = t+1;
95 } else if (c=='+') { 114 } else if (c=='+') {
96 *t = ' '; 115 *t = ' ';
116 } else if (c=='%') {
117 t = convert_query_hexchar(t);
97 } else if (c=='&') { 118 } else if (c=='&') {
98 *t = '\0'; 119 *t = '\0';
99 (*fn)(txt, value); 120 (*fn)(txt, value);