diff options
| -rw-r--r-- | urimatch.c | 75 |
1 files changed, 45 insertions, 30 deletions
@@ -6,29 +6,43 @@ #define LINE_LENGTH 1024 -int match(char negate,char *part,char *arg) { - if(negate) { - if(part == 0) return 1;//we found that the part isn't here! - } else { - if(part) { - if(!fnmatch(arg,part,FNM_NOESCAPE)) return 1; - } +#define MATCH_UNEXIST 0 +#define MATCH_PATTERN 1 +#define MATCH_REVERSE -1 + +// return 1 if the match and rule should have the main function print this URL. +int match(char rule,char *part,char *arg) { + switch(rule) { + case MATCH_UNEXIST: + if(part == 0) return 1; + break; + case MATCH_REVERSE: + if(part) { + if(!fnmatch(arg,part,FNM_NOESCAPE)) return 0; + else return 1; + } + break; + case MATCH_PATTERN: + if(part) if(!fnmatch(arg,part,FNM_NOESCAPE)) return 1; + break; + default: + fprintf(stderr,"oh god. what the hell happened to get here?\n"); + break; } return 0; } int main(int argc,char *argv[]) { - int i; + int i,j;; int ret=1; struct uri u; - char negate=0; + char rule=MATCH_PATTERN; char *line=malloc(LINE_LENGTH); char copy[LINE_LENGTH]; if(argc < 2) { - printf("usage: urimatch [-][n][s|u|k|d|D|P|p|q|f] [string]\n"); + printf("usage: urimatch [-][n][r][s|u|k|d|P|p|q|f] [string]\n"); printf("scheme://username:password@domain:port/path?query_string#fragment_id\n"); printf("s://u:k@d:P/p?q#f\n"); - printf("The D flag is special. it matches its argument against the last bytes of the input url's domain.\n"); printf("This allows matching of subdomains, like `echo epoch.ano | urimatch -D ano` would match.\n"); printf("the 'n' flag can be put before any of the other flags to check for a missing.\n"); return 1; @@ -40,30 +54,31 @@ int main(int argc,char *argv[]) { memset(&u,0,sizeof(u)); urifromline(&u,line); //use the character in argv[1] to match stdin against argv[2]. if match print whole line. - for(i=1;i<argc;i+=2) { - if(negate) {i--;}//we didn't really need to go that far. - negate=0; - if(argv[i][0] == '-') argv[i]++; - if(argv[i][0] == 'n') {argv[i]++; negate=1; }//heh. + for(i=1;i<argc;i+=2) {//for each line, we're reparsing the arguments... + rule=MATCH_PATTERN;//default + j=0; switch(argv[i][0]) { - case 's': if(match(negate,u.scheme,argv[i+1])) { printf("%s\n",copy); ret=0;} break; - case 'u': if(match(negate,u.username,argv[i+1])) { printf("%s\n",copy); ret=0;} break; - case 'k': if(match(negate,u.password,argv[i+1])) { printf("%s\n",copy); ret=0;} break; - case 'd': if(match(negate,u.domain,argv[i+1])) { printf("%s\n",copy); ret=0;} break; - case 'P': if(match(negate,u.port,argv[i+1])) { printf("%s\n",copy); ret=0;} break; - case 'p': if(match(negate,u.path,argv[i+1])) { printf("%s\n",copy); ret=0;} break; - case 'q': if(match(negate,u.query_string,argv[i+1])) { printf("%s\n",copy); ret=0;} break; - case 'f': if(match(negate,u.fragment_id,argv[i+1])) { printf("%s\n",copy); ret=0;} break; - case 'D': //not sure how to look for a missing one of these. it'd be like d. - if(u.domain && argv[i+1] && strlen(u.domain) >= strlen(argv[i+1]) && !strncmp(u.domain+strlen(u.domain)-strlen(argv[i+1]),argv[i+1],strlen(argv[i+1]))) { - printf("%s\n",copy); - ret=0; - } - break; + case '-': j=1; rule=MATCH_PATTERN; break;//so we can't be modifying these! how the fuck? + case 'n': j=1; rule=MATCH_UNEXIST; break; + case 'r': j=1; rule=MATCH_REVERSE; break; + default: break;//handled by the next switch + } + switch(argv[i][j]) { + case 's': if(match(rule,u.scheme,argv[i+1])) { printf("%s\n",copy); ret=0;} break; + case 'u': if(match(rule,u.username,argv[i+1])) { printf("%s\n",copy); ret=0;} break; + case 'k': if(match(rule,u.password,argv[i+1])) { printf("%s\n",copy); ret=0;} break; + case 'd': if(match(rule,u.domain,argv[i+1])) { printf("%s\n",copy); ret=0;} break; + case 'P': if(match(rule,u.port,argv[i+1])) { printf("%s\n",copy); ret=0;} break; + case 'p': if(match(rule,u.path,argv[i+1])) { printf("%s\n",copy); ret=0;} break; + case 'q': if(match(rule,u.query_string,argv[i+1])) { printf("%s\n",copy); ret=0;} break; + case 'f': if(match(rule,u.fragment_id,argv[i+1])) { printf("%s\n",copy); ret=0;} break; + // TODO: after a while, get rid of 'D' completely. + case 'D': fprintf(stderr,"the 'D' flag has been removed.\ninstead of: D 'host'\nuse: d '*host'\n"); default: printf("unknown url part letter! '%c'\n",argv[i][0]); return ret; } + if(rule == MATCH_UNEXIST) {i--;}//UNEXIST doesn't consume the argument after it. so, go backwards 1. we're about to go ahead 2. } } return ret; |