/*
* parameters are tag value pairs. This function returns the tag or label (the
* value before the equal size.
*/
char *
NSSUTIL_ArgGetLabel(const char *inString, int *next)
{
char *name = NULL;
const char *string;
int len;
/* look for the end of the <label>= */
for (string = inString; *string; string++) {
if (*string == '=') {
break;
}
if (NSSUTIL_ArgIsBlank(*string))
break;
}
len = string - inString;
*next = len;
if (*string == '=')
(*next) += 1;
if (len > 0) {
name = PORT_Alloc(len + 1);
PORT_Strncpy(name, inString, len);
name[len] = 0;
}
return name;
}
static char *
sftk_argGetName(char *inString, int *next)
{
char *name=NULL;
char *string;
int len;
/* look for the end of the <name>= */
for (string = inString;*string; string++) {
if (*string == '=') { break; }
if (sftk_argIsBlank(*string)) break;
}
len = string - inString;
*next = len;
if (*string == '=') (*next) += 1;
if (len > 0) {
name = PORT_Alloc(len+1);
PORT_Strncpy(name,inString,len);
name[len] = 0;
}
return name;
}
/*
* read one file out of either /etc or the user's home directory.
* fileToRead tells which file to read.
*
* return 1 if it's time to reset the fileToRead (no more files to read).
*/
static int
ReadOneFile(int fileToRead)
{
char *dir = "/etc";
DIR *fd = opendir(dir);
int resetCount = 0;
struct dirent *entry;
#if defined(__sun)
char firstName[256];
#else
char firstName[NAME_MAX + 1];
#endif
const char *name = NULL;
int i;
if (fd == NULL) {
dir = PR_GetEnvSecure("HOME");
if (dir) {
fd = opendir(dir);
}
}
if (fd == NULL) {
return 1;
}
firstName[0] = '\0';
for (i=0; i <= fileToRead; i++) {
do {
/* readdir() isn't guaranteed to be thread safe on every platform;
* this code assumes the same directory isn't read concurrently.
* This usage is confirmed safe on Linux, see bug 1254334. */
entry = readdir(fd);
} while (entry != NULL && !ReadFileOK(dir, &entry->d_name[0]));
if (entry == NULL) {
resetCount = 1; /* read to the end, start again at the beginning */
if (firstName[0]) {
/* ran out of entries in the directory, use the first one */
name = firstName;
}
break;
}
name = entry->d_name;
if (i == 0) {
/* copy the name of the first in case we run out of entries */
PORT_Assert(PORT_Strlen(name) < sizeof(firstName));
PORT_Strncpy(firstName, name, sizeof(firstName) - 1);
firstName[sizeof(firstName) - 1] = '\0';
}
}
if (name) {
char filename[PATH_MAX];
int count = snprintf(filename, sizeof(filename), "%s/%s",dir, name);
if (count >= 1) {
ReadSingleFile(filename);
}
}
closedir(fd);
return resetCount;
}
