comparison: src/server/daemon/rewrite.c
src/server/daemon/rewrite.c
- changeset 646
- f64ebb0c5fa9
- parent 635
- b85d45fd3b01
- child 647
- ffbc5076b4bf
equal
deleted
inserted
replaced
| 645:0c85c4cd0dd8 | 646:f64ebb0c5fa9 |
|---|---|
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 26 * POSSIBILITY OF SUCH DAMAGE. | 26 * POSSIBILITY OF SUCH DAMAGE. |
| 27 */ | 27 */ |
| 28 | 28 |
| 29 #include "rewrite.h" | 29 #include "rewrite.h" |
| 30 | |
| 31 typedef struct RVar { | |
| 32 cxstring str; | |
| 33 regmatch_t *match; | |
| 34 int nmatch; | |
| 35 } RVar; | |
| 36 | |
| 37 static cxmutstr get_var( | |
| 38 const CxAllocator *a, | |
| 39 StringTemplateSegment *seg, | |
| 40 RVar *vardata, | |
| 41 WSBool *free_str) | |
| 42 { | |
| 43 if(seg->type != STRING_SEGMENT_NUM_PLACEHOLDER || seg->num < 0 || seg->num >= vardata->nmatch) { | |
| 44 return (cxmutstr){NULL, 0}; | |
| 45 } | |
| 46 regmatch_t m = vardata->match[seg->num]; | |
| 47 if(m.rm_eo == -1 || m.rm_so == -1) { | |
| 48 return (cxmutstr){NULL, 0}; | |
| 49 } | |
| 50 cxstring ret = cx_strsubsl(vardata->str, m.rm_so, m.rm_eo-m.rm_so); | |
| 51 return (cxmutstr){(char*)ret.ptr, ret.length}; | |
| 52 } | |
| 53 | |
| 54 int rewrite_url( | |
| 55 RewriteRule *rule, | |
| 56 regmatch_t *match, | |
| 57 int nmatch, | |
| 58 const CxAllocator *a, | |
| 59 const char *url, | |
| 60 char **new_url) | |
| 61 { | |
| 62 *new_url = NULL; | |
| 63 | |
| 64 RVar vars; | |
| 65 vars.str = cx_str(url); | |
| 66 vars.match = match; | |
| 67 vars.nmatch = nmatch; | |
| 68 | |
| 69 regmatch_t rewrite_match[WS_REWRITE_NMATCH]; | |
| 70 if(rule->has_regex) { | |
| 71 if(regexec(&rule->regex, url, 0, rewrite_match, WS_REWRITE_NMATCH) != 0) { | |
| 72 return 0; | |
| 73 } | |
| 74 vars.match = rewrite_match; | |
| 75 vars.nmatch = WS_REWRITE_NMATCH; | |
| 76 } | |
| 77 | |
| 78 // build new url | |
| 79 cxmutstr newstr = string_template_build_string(rule->url, a, (strtpl_var_func)get_var, &vars); | |
| 80 if(newstr.length == 0) { | |
| 81 return 1; | |
| 82 } | |
| 83 *new_url = newstr.ptr; | |
| 84 | |
| 85 return 0; | |
| 86 } |
