diff options
Diffstat (limited to 'nis/nss_nis/nis-service.c')
| -rw-r--r-- | nis/nss_nis/nis-service.c | 158 |
1 files changed, 91 insertions, 67 deletions
diff --git a/nis/nss_nis/nis-service.c b/nis/nss_nis/nis-service.c index 6d07479..46c3364 100644 --- a/nis/nss_nis/nis-service.c +++ b/nis/nss_nis/nis-service.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1996 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996. @@ -37,26 +37,75 @@ extern int _nss_files_parse_servent (char *line, struct servent *result, __libc_lock_define_initialized (static, lock) +struct response_t +{ + char *val; + struct response_t *next; +}; + struct intern_t { - bool_t new_start; - char *oldkey; - int oldkeylen; + struct response_t *start; + struct response_t *next; }; typedef struct intern_t intern_t; -static intern_t intern = {TRUE, NULL, 0}; +static intern_t intern = {NULL, NULL}; + +static int +saveit (int instatus, char *inkey, int inkeylen, char *inval, + int invallen, char *indata) +{ + intern_t *intern = (intern_t *)indata; + + if (instatus != YP_TRUE) + return instatus; + + if (inkey && inkeylen > 0 && inval && invallen > 0) + { + if (intern->start == NULL) + { + intern->start = malloc (sizeof (struct response_t)); + intern->next = intern->start; + } + else + { + intern->next->next = malloc (sizeof (struct response_t)); + intern->next = intern->next->next; + } + intern->next->next = NULL; + intern->next->val = malloc (invallen + 1); + strncpy (intern->next->val, inval, invallen); + intern->next->val[invallen] = '\0'; + } + + return 0; +} static enum nss_status -internal_nis_setservent (intern_t * intern) +internal_nis_setservent (intern_t *intern) { - intern->new_start = 1; - if (intern->oldkey != NULL) + char *domainname; + struct ypall_callback ypcb; + + if (yp_get_default_domain (&domainname)) + return NSS_STATUS_UNAVAIL; + + while (intern->start != NULL) { - free (intern->oldkey); - intern->oldkey = NULL; - intern->oldkeylen = 0; + if (intern->start->val != NULL) + free (intern->start->val); + intern->next = intern->start; + intern->start = intern->start->next; + free (intern->next); } + intern->start = NULL; + + ypcb.foreach = saveit; + ypcb.data = (char *)intern; + yp_all(domainname, "services.byname", &ypcb); + intern->next = intern->start; + return NSS_STATUS_SUCCESS; } enum nss_status @@ -76,13 +125,16 @@ _nss_nis_setservent (void) static enum nss_status internal_nis_endservent (intern_t * intern) { - intern->new_start = 1; - if (intern->oldkey != NULL) + while (intern->start != NULL) { - free (intern->oldkey); - intern->oldkey = NULL; - intern->oldkeylen = 0; + if (intern->start->val != NULL) + free (intern->start->val); + intern->next = intern->start; + intern->start = intern->start->next; + free (intern->next); } + intern->start = NULL; + return NSS_STATUS_SUCCESS; } @@ -104,57 +156,25 @@ static enum nss_status internal_nis_getservent_r (struct servent *serv, char *buffer, size_t buflen, intern_t *data) { - char *domain; - char *result; - int len, parse_res; - char *outkey; - int keylen; + int parse_res; char *p; - if (yp_get_default_domain (&domain)) - return NSS_STATUS_UNAVAIL; - + if (data->start == NULL) + internal_nis_setservent (data); + /* Get the next entry until we found a correct one. */ do { - enum nss_status retval; - - if (data->new_start) - retval = yperr2nss (yp_first (domain, "services.byname", - &outkey, &keylen, &result, &len)); - else - retval = yperr2nss ( yp_next (domain, "services.byname", - data->oldkey, data->oldkeylen, - &outkey, &keylen, &result, &len)); - - if (retval != NSS_STATUS_SUCCESS) - { - if (retval == NSS_STATUS_TRYAGAIN) - __set_errno (EAGAIN); - return retval; - } - - if ((size_t) (len + 1) > buflen) - { - free (result); - __set_errno (ERANGE); - return NSS_STATUS_TRYAGAIN; - } - - p = strncpy (buffer, result, len); - buffer[len] = '\0'; + if (data->next == NULL) + return NSS_STATUS_NOTFOUND; + p = strcpy (buffer, data->next->val); + data->next = data->next->next; while (isspace (*p)) ++p; - free (result); - + parse_res = _nss_files_parse_servent (p, serv, buffer, buflen); if (!parse_res && errno == ERANGE) return NSS_STATUS_TRYAGAIN; - - free (data->oldkey); - data->oldkey = outkey; - data->oldkeylen = keylen; - data->new_start = 0; } while (!parse_res); @@ -179,7 +199,7 @@ enum nss_status _nss_nis_getservbyname_r (const char *name, char *protocol, struct servent *serv, char *buffer, size_t buflen) { - intern_t data = {TRUE, NULL, 0}; + intern_t data = {NULL, NULL}; enum nss_status status; int found; @@ -198,15 +218,19 @@ _nss_nis_getservbyname_r (const char *name, char *protocol, ((status = internal_nis_getservent_r (serv, buffer, buflen, &data)) == NSS_STATUS_SUCCESS)) { - if (strcmp (serv->s_name, name) == 0) - { - if (strcmp (serv->s_proto, protocol) == 0) - { - found = 1; - } - } + if (strcmp (serv->s_proto, protocol) == 0) + { + char **cp; + + if (strcmp (serv->s_name, name) == 0) + found = 1; + else + for (cp = serv->s_aliases; *cp; cp++) + if (strcmp(name, *cp) == 0) + found = 1; + } } - + internal_nis_endservent (&data); if (!found && status == NSS_STATUS_SUCCESS) @@ -219,7 +243,7 @@ enum nss_status _nss_nis_getservbyport_r (int port, char *protocol, struct servent *serv, char *buffer, size_t buflen) { - intern_t data = {TRUE, NULL, 0}; + intern_t data = {NULL, NULL}; enum nss_status status; int found; |