ref: e55cb65c247a9cdfa0528d34dec70d435898d098
dir: /sys/src/libsec/port/readcert.c/
#include "os.h" #include <libsec.h> static char* readfile(char *name) { int fd; char *s; Dir *d; fd = open(name, OREAD|OCEXEC); if(fd < 0) return nil; if((d = dirfstat(fd)) == nil) { close(fd); return nil; } s = malloc(d->length + 1); if(s == nil || readn(fd, s, d->length) != d->length){ free(s); free(d); close(fd); return nil; } close(fd); s[d->length] = '\0'; free(d); return s; } uchar* readcert(char *filename, int *pcertlen) { char *pem; uchar *binary; pem = readfile(filename); if(pem == nil){ werrstr("can't read %s: %r", filename); return nil; } binary = decodePEM(pem, "CERTIFICATE", pcertlen, nil); free(pem); if(binary == nil){ werrstr("can't parse %s", filename); return nil; } return binary; } PEMChain * readcertchain(char *filename) { char *chfile; chfile = readfile(filename); if (chfile == nil) { werrstr("can't read %s: %r", filename); return nil; } return decodepemchain(chfile, "CERTIFICATE"); }