ref: d67596f1bbdce63cd6a053cc17443fde1631ed10
dir: /sys/src/cmd/auth/httpauth.c/
#include <u.h> #include <libc.h> #include <auth.h> void usage(void) { fprint(2, "usage:\n\t%s user pass\n\t%s authorization\n", argv0, argv0); exits("usage"); } void main(int argc, char *argv[]) { char *a, *s; int n; ARGBEGIN { } ARGEND switch(argc){ default: usage(); return; case 2: s = argv[0]; a = argv[1]; break; case 1: a = argv[0]; if(cistrncmp(a, "Basic ", 6) == 0) a += 6; n = strlen(a); if((s = malloc(n+1)) == nil) sysfatal("out of memory"); if((n = dec64((uchar*)s, n, a, n)) <= 0) sysfatal("bad base64"); s[n] = '\0'; if((a = strchr(s, ':')) == nil) sysfatal("bad format"); *a++ = '\0'; break; } if(*s == '\0') sysfatal("empty username"); if(auth_userpasswd(s, a) == nil) sysfatal("bad password"); print("%s\n", s); exits(nil); }