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/* |
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* i-scream central monitoring system |
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* i-scream libstatgrab |
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* http://www.i-scream.org |
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* Copyright (C) 2000-2004 i-scream |
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* |
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#ifdef CYGWIN |
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#include <sys/unistd.h> |
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#endif |
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#ifdef HPUX |
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#include <utmp.h> |
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#endif |
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user_stat_t *get_user_stats(){ |
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sg_user_stats *sg_get_user_stats(){ |
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int num_users = 0, pos = 0, new_pos; |
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VECTOR_DECLARE_STATIC(name_list, char, 128, NULL, NULL); |
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static user_stat_t user_stats; |
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#if defined(SOLARIS) || defined(LINUX) || defined(CYGWIN) |
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struct utmp *entry; |
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#endif |
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static sg_user_stats user_stats; |
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#ifdef ALLBSD |
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struct utmp entry; |
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FILE *f; |
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#endif |
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FILE *f; |
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#if defined(SOLARIS) || defined(LINUX) || defined(CYGWIN) |
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setutent(); |
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while((entry=getutent()) != NULL) { |
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if (entry->ut_type != USER_PROCESS) continue; |
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if ((f=fopen(_PATH_UTMP, "r")) == NULL){ |
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sg_set_error_with_errno(SG_ERROR_OPEN, _PATH_UTMP); |
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return NULL; |
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} |
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while((fread(&entry, sizeof(entry),1,f)) != 0){ |
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if (entry.ut_name[0] == '\0') continue; |
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new_pos = pos + strlen(entry->ut_user) + 1; |
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new_pos = pos + strlen(entry.ut_name) + 1; |
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if (VECTOR_RESIZE(name_list, new_pos) < 0) { |
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return NULL; |
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} |
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strcpy(name_list + pos, entry->ut_user); |
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strcpy(name_list + pos, entry.ut_name); |
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name_list[new_pos - 1] = ' '; |
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pos = new_pos; |
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num_users++; |
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} |
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endutent(); |
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#endif |
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#ifdef ALLBSD |
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if ((f=fopen(_PATH_UTMP, "r")) == NULL){ |
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return NULL; |
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} |
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while((fread(&entry, sizeof(entry),1,f)) != 0){ |
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if (entry.ut_name[0] == '\0') continue; |
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fclose(f); |
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#else |
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/* This works on everything else. */ |
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struct utmp *entry; |
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new_pos = pos + strlen(entry.ut_name) + 1; |
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setutent(); |
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while((entry=getutent()) != NULL) { |
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if (entry->ut_type != USER_PROCESS) continue; |
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new_pos = pos + strlen(entry->ut_user) + 1; |
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if (VECTOR_RESIZE(name_list, new_pos) < 0) { |
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return NULL; |
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} |
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strcpy(name_list + pos, entry.ut_name); |
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strcpy(name_list + pos, entry->ut_user); |
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name_list[new_pos - 1] = ' '; |
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pos = new_pos; |
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num_users++; |
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} |
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fclose(f); |
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endutent(); |
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#endif |
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/* Remove the extra space at the end, and append a \0. */ |
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if (num_users != 0) { |
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pos--; |
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} |
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VECTOR_RESIZE(name_list, pos + 1); |
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if (VECTOR_RESIZE(name_list, pos + 1) < 0) { |
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return NULL; |
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} |
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name_list[pos] = '\0'; |
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user_stats.num_entries = num_users; |
