diff options
Diffstat (limited to 'contrib/opie/libopie/readrec.c')
| -rw-r--r-- | contrib/opie/libopie/readrec.c | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/contrib/opie/libopie/readrec.c b/contrib/opie/libopie/readrec.c new file mode 100644 index 000000000000..c98daaa51fe3 --- /dev/null +++ b/contrib/opie/libopie/readrec.c @@ -0,0 +1,218 @@ +/* readrec.c: The __opiereadrec() library function. + +%%% copyright-cmetz +This software is Copyright 1996 by Craig Metz, All Rights Reserved. +The Inner Net License Version 2 applies to this software. +You should have received a copy of the license with this software. If +you didn't get a copy, you may request one from <license@inner.net>. + + History: + + Created by cmetz for OPIE 2.3. +*/ +#include "opie_cfg.h" + +#include <stdio.h> +#include <sys/types.h> +#if HAVE_UNISTD_H +#include <unistd.h> +#endif /* HAVE_UNISTD_H */ +#if HAVE_STRING_H +#include <string.h> +#endif /* HAVE_STRING_H */ +#if HAVE_STDLIB_H +#include <stdlib.h> +#endif /* HAVE_STDLIB_H */ +#if HAVE_FCNTL_H +#include <fcntl.h> +#endif /* HAVE_FCNTL_H */ +#include <ctype.h> +#include <errno.h> +#if DEBUG +#include <syslog.h> +#endif /* DEBUG */ +#include "opie.h" + +static int parserec FUNCTION((opie), struct opie *opie) +{ + char *c, *c2; + + if (!(c2 = strchr(opie->opie_principal = opie->opie_buf, ' '))) + return -1; + + while(*c2 == ' ') c2++; + *(c2 - 1) = 0; + + if (!(c2 = strchr(c = c2, ' '))) + return -1; + + *(c2++) = 0; + + if (!(opie->opie_n = atoi(c))) + return -1; + + if (!(c2 = strchr(opie->opie_seed = c2, ' '))) + return -1; + + *(c2++) = 0; + + while(*c2 == ' ') c2++; + + if (!(c2 = strchr(opie->opie_val = c2, ' '))) + return -1; + + *(c2++) = 0; + + return 0; +} + +static int parseextrec FUNCTION((opie), struct opie *opie) +{ + char *c; + + if (!(c = strchr(opie->opie_extbuf, ' '))) + return -1; + + *(c++) = 0; + while(*c == ' ') c++; + + if (!(c = strchr(opie->opie_reinitkey = c, ' '))) + return -1; + + *(c++) = 0; + + return 0; +} + +int __opiereadrec FUNCTION((opie), struct opie *opie) +{ + FILE *f = NULL, *f2 = NULL; + int rval = -1; + + if (!(f = __opieopen(STD_KEY_FILE, 0, 0644))) { +#if DEBUG + syslog(LOG_DEBUG, "__opiereadrec: __opieopen(STD_KEY_FILE..) failed!"); +#endif /* DEBUG */ + goto ret; + } + + if (!(f2 = __opieopen(EXT_KEY_FILE, 0, 0600))) { +#if DEBUG + syslog(LOG_DEBUG, "__opiereadrec: __opieopen(EXT_KEY_FILE..) failed!"); +#endif /* DEBUG */ + } + + { + int i; + + if ((i = open(STD_KEY_FILE, O_RDWR)) < 0) { + opie->opie_flags &= ~__OPIE_FLAGS_RW; +#if DEBUG + syslog(LOG_DEBUG, "__opiereadrec: open(STD_KEY_FILE, O_RDWR) failed: %s", strerror(errno)); +#endif /* DEBUG */ + } else { + close(i); + if ((i = open(EXT_KEY_FILE, O_RDWR)) < 0) { + opie->opie_flags &= ~__OPIE_FLAGS_RW; +#if DEBUG + syslog(LOG_DEBUG, "__opiereadrec: open(STD_KEY_FILE, O_RDWR) failed: %s", strerror(errno)); +#endif /* DEBUG */ + } else { + close(i); + opie->opie_flags |= __OPIE_FLAGS_RW; + } + } + } + + if (opie->opie_buf[0]) { + if (fseek(f, opie->opie_recstart, SEEK_SET)) + goto ret; + + if (fgets(opie->opie_buf, sizeof(opie->opie_buf), f)) + goto ret; + + if (parserec(opie)) + goto ret; + + if (opie->opie_extbuf[0]) { + if (!f2) { +#if DEBUG + syslog(LOG_DEBUG, "__opiereadrec: can't read ext file, but could before?"); +#endif /* DEBUG */ + goto ret; + } + + if (fseek(f2, opie->opie_extrecstart, SEEK_SET)) + goto ret; + + if (fgets(opie->opie_extbuf, sizeof(opie->opie_extbuf), f2)) + goto ret; + + if (parseextrec(opie)) + goto ret; + } + + rval = 0; + goto ret; + } + + if (!opie->opie_principal) + return -1; + + { + char *c, principal[OPIE_PRINCIPAL_MAX]; + int i; + + if (c = strchr(opie->opie_principal, ':')) + *c = 0; + if (strlen(opie->opie_principal) > OPIE_PRINCIPAL_MAX) + (opie->opie_principal)[OPIE_PRINCIPAL_MAX] = 0; + + strcpy(principal, opie->opie_principal); + + do { + if ((opie->opie_recstart = ftell(f)) < 0) + goto ret; + + if (!fgets(opie->opie_buf, sizeof(opie->opie_buf), f)) { + rval = 1; + goto ret; + } + + if (parserec(opie)) + goto ret; + } while (strcmp(principal, opie->opie_principal)); + + if (!f2) { + opie->opie_extbuf[0] = rval = 0; + goto ret; + } + + do { + if ((opie->opie_extrecstart = ftell(f2)) < 0) + goto ret; + + if (!fgets(opie->opie_extbuf, sizeof(opie->opie_extbuf), f2)) { + if (feof(f2)) { + opie->opie_reinitkey = NULL; + rval = 0; + } else + rval = 1; + goto ret; + } + + if (parseextrec(opie)) + goto ret; + } while (strcmp(principal, opie->opie_extbuf)); + + rval = 0; + } + +ret: + if (f) + fclose(f); + if (f2) + fclose(f2); + return rval; +} + |