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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <sys/stat.h>
#include <dirent.h>
#include "cli_val.h"
#include "cli_objects.h"
extern char *cli_operation_name;
static void remove_rf(boolean do_umount)
{
char *command;
touch();
if (do_umount) {
command = my_malloc(strlen(get_mdirp()) + 20, "delete");
sprintf(command, "sudo umount %s", get_mdirp());
system(command);
free(command);
}
command = my_malloc(strlen(m_path.path) + 10, "delete");
sprintf(command, "rm -rf %s", m_path.path);
system(command);
free(command);
if (do_umount) {
command = my_malloc(strlen(get_mdirp()) + strlen(get_cdirp()) +
strlen(get_mdirp()) + 100,
"delete");
sprintf(command, "sudo mount -t $UNIONFS -o dirs=%s=rw:%s=ro:"
" $UNIONFS %s", get_cdirp(), get_adirp(), get_mdirp());
system(command);
free(command);
}
}
/***************************************************
set_validate:
validate value against definition
return TRUE if OK, FALSE otherwise
****************************************************/
boolean set_validate(vtw_def *defp, char *valp)
{
boolean res;
int status;
struct stat statbuf;
pop_path(&t_path); /* it was tag or real value */
push_path(&t_path, DEF_NAME);
if (lstat(t_path.path, &statbuf) < 0 ||
(statbuf.st_mode & S_IFMT) != S_IFREG) {
fprintf(out_stream, "The specified configuration node is not valid\n");
bye("Can not set value (2), no definition for %s", m_path.path);
}
/* defniition present */
memset(defp, 0, sizeof(vtw_def));
if ((status = parse_def(defp, t_path.path, FALSE))) {
bye("parse error: %d\n", status);
}
res = validate_value(defp, valp);
pop_path(&t_path);
return res;
}
int main(int argc, char **argv)
{
int ai;
struct stat statbuf;
vtw_def def;
boolean last_tag=0;
int status;
FILE *fp;
boolean res;
char *cp, *delp, *endp;
boolean do_umount;
cli_operation_name = "Delete";
if (initialize_output() == -1) {
bye("can't initialize output\n");
}
if (argc < 2) {
fprintf(out_stream, "Need to specify the config node to delete\n");
bye("nothing to delete\n");
}
dump_log( argc, argv);
do_umount = FALSE;
init_edit();
/* extend both paths per arguments given */
/* last argument is new value */
for (ai = 1; ai < argc; ++ai) {
push_path(&t_path, argv[ai]);
push_path(&m_path, argv[ai]);
if (lstat(t_path.path, &statbuf) >= 0) {
if ((statbuf.st_mode & S_IFMT) != S_IFDIR) {
bye("INTERNAL:regular file %s in templates", t_path.path);
}
last_tag = FALSE;
continue;
} /*else */
pop_path(&t_path);
push_path(&t_path, TAG_NAME);
if (lstat(t_path.path, &statbuf) >= 0) {
if ((statbuf.st_mode & S_IFMT) != S_IFDIR) {
bye("INTERNAL:regular file %s in templates", t_path.path);
}
last_tag = TRUE;
continue;
}
/* no match */
break;
}
/*
cases:
multiple tag-value - not achild
mutilple tag-value - not the last child
multiple tag-value - last child
single value modified
signle value unmodified
multiple non-tag value - the last value
multiple non-tag value - not the last value
regular child
*/
if (ai == argc) {
/* full path found */
/* all cases except multiple non-tag value */
/* check for single value */
if (last_tag) {
/* case of multiple tag-value
was this a real child?
was it the last child?
*/
struct dirent *dirp;
DIR *dp;
if (lstat(m_path.path, &statbuf) < 0) {
fprintf(out_stream, "Nothing to delete\n");
bye("Nothing to delete at %s", m_path.path);
}
remove_rf(FALSE);
pop_path(&m_path);
if ((dp = opendir(m_path.path)) == NULL){
INTERNAL;
}
while ((dirp = readdir(dp)) != NULL) {
/*do we have real child */
if (strcmp(dirp->d_name, ".") &&
strcmp(dirp->d_name, "..") &&
strcmp(dirp->d_name, MOD_NAME) && /* XXX */
strncmp(dirp->d_name, ".wh.", 4) )
break;
}
if (dirp == NULL) {
/* no real children left */
/* kill parent also */
remove_rf(FALSE);
}
exit(0);
}
/*not tag */
push_path(&t_path, DEF_NAME);
if (lstat(t_path.path, &statbuf) >= 0 &&
(statbuf.st_mode & S_IFMT) == S_IFREG) {
/* defniition present */
memset(&def, 0, sizeof(vtw_def));
if ((status = parse_def(&def, t_path.path, FALSE))) {
bye("parse error: %d\n", status);
}
if (!def.tag && !def.multi && def.def_type!= ERROR_TYPE) {
/* signgle value */
/* is it modified ==
it is in C, but not OPAQUE */
switch_path(CPATH);
if(lstat(m_path.path, &statbuf) >= 0) {
push_path(&m_path, OPQ_NAME);
if(lstat(m_path.path, &statbuf) < 0) {
/* yes remove from C only */
pop_path(&m_path);
remove_rf(TRUE);
exit(0);
}
pop_path(&m_path); /*OPQ_NAME */
}
switch_path(MPATH);
}
}
/* else no defnition, remove it also */
remove_rf(FALSE);
exit(0);
}
if(ai < argc -1 || last_tag) {
fprintf(out_stream, "The specified configuration node is not valid\n");
bye("There is no appropriate template for %s",
m_path.path + strlen(get_mdirp()));
}
/*ai == argc -1, must be actual value */
pop_path(&m_path); /*it was value, not path segment */
push_path(&m_path, VAL_NAME);
/* set value */
if (lstat(m_path.path, &statbuf) < 0) {
fprintf(out_stream, "Nothing to delete\n");
bye("Nothing to delete at %s", m_path.path);
}
if ((statbuf.st_mode & S_IFMT) != S_IFREG)
bye("Not a regular file %s", m_path.path);
/* get definition to deal with potential multi */
pop_path(&t_path); /* it was tag or real value */
push_path(&t_path, DEF_NAME);
if (lstat(t_path.path, &statbuf) < 0 ||
(statbuf.st_mode & S_IFMT) != S_IFREG) {
fprintf(out_stream, "The specified configuration node is not valid\n");
bye("Can not delete value, no definition for %s", m_path.path);
}
/* defniition present */
memset(&def, 0, sizeof(vtw_def));
if ((status = parse_def(&def, t_path.path, FALSE))) {
bye("parse error: %d\n", status);
}
if (def.multi) {
/* delete from multivalue */
valstruct new_value, old_value;
status = char2val(&def, argv[argc - 1], &new_value);
if (status)
exit(0);
cp = NULL;
pop_path(&m_path); /* get_value will push VAL_NAME */
status = get_value(&cp, &m_path);
if (status != VTWERR_OK)
bye("Cannot read old value %s\n", m_path.path);
status = char2val(&def, cp, &old_value);
if (status != VTWERR_OK)
bye("Corrupted old value ---- \n%s\n-----\n", cp);
res = val_cmp(&new_value, &old_value, IN_COND);
if (!res)
bye("Not in multivalue");
touch();
if (old_value.cnt) {
push_path(&m_path, VAL_NAME);
fp = fopen(m_path.path, "w");
if (fp == NULL)
bye("Can not open value file %s", m_path.path);
if (is_in_cond_tik()) {
for(delp=cp;delp && is_in_cond_tik(); dec_in_cond_tik()) {
delp = strchr(delp, '\n');
if (!delp)
INTERNAL;
++delp; /* over \n */
}
/* write "left" of deleted */
fwrite(cp, 1, delp-cp, fp);
}else
delp = cp;
/* find end of value */
endp = strchr(delp, '\n');
if (endp && *++endp) {
/* write "right" of deleted */
fwrite(endp, 1, strlen(endp), fp);
/* need the final '\n' */
fwrite("\n", 1, 1, fp);
}
fclose(fp);
return 0;
}
/* it multi with only 1 value, remove */
remove_rf(FALSE);
return 0;
}
fprintf(out_stream, "The specified configuration node is not valid\n");
bye("There is no appropriate template for %s",
m_path.path + strlen(get_mdirp()));
return 1;
}
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