diff options
Diffstat (limited to 'query.c')
| -rw-r--r-- | query.c | 49 |
1 files changed, 38 insertions, 11 deletions
@@ -4,6 +4,33 @@ #include <string.h> #include "cforum.h" +/* Return an allocated string containing the next cookie ("name=value"). */ +char * +nextcookie(int max) +{ + char *buf; + int n; + static char *cs = NULL; + + if(!(buf = malloc(max))) + err(1, "malloc"); + + if(!cs) + cs = getenv("HTTP_COOKIE"); + + if(!cs || !*cs) + return NULL; + + if(*cs == ' ') + cs++; + + n = strcspn(cs, ";"); + snprintf(buf, max, "%.*s", n, cs); + cs += n + (n != strlen(cs)); + + return buf; +} + /* * Return an allocated string containing the next parameter ("key=value"). * The method argument decides which data (GET or POST) to read from. @@ -21,17 +48,17 @@ nextparam(enum method method, int *len, int max) char *buf; int i, sz; static int j = 0; - + /* Return NULL if at end of parameter string. */ if(method == GET && !query.string[j-1]) return NULL; - + #define STEP 256 - + sz = STEP; if(!(buf = malloc(1+sz))) /* Leave space for -1th character. */ err(1, "malloc"); - + /* * buf's -1th character is set to 1 if the string * has been truncated (i.e. if input exceeded max). @@ -51,14 +78,14 @@ first: /* Return NULL if at end of parameter string. */ if(!READ(buf)) return NULL; - + /* Skip empty parameters. */ if(*buf == '&') goto first; - + i = 0; goto rest; - + for(; READ(buf+i); i++){ rest: if(buf[i] == '&'){ @@ -80,7 +107,7 @@ rest: } if(len) *len = i; else buf[i] = 0; - + return buf; } @@ -125,10 +152,10 @@ int urldecode(char *s, int len) { unsigned int code, i, j; - + if(len < 0) len = strlen(s); - + for(i = j = 0; i < len; i++, j++){ if(s[i] == '+') s[j] = ' '; @@ -140,6 +167,6 @@ urldecode(char *s, int len) }else s[j] = s[i]; } - + return j; }
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