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Refactoring the addagent files for improving the usability #757

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Refactoring the addagent files for improving the usability #757

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e665a24
fixed errata - unable to load key file properly
netman2k Mar 4, 2016
437c3bb
refactoring the remove_agent function
netman2k Mar 4, 2016
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121 changes: 73 additions & 48 deletions src/addagent/manage_agents.c
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Original file line number Diff line number Diff line change
Expand Up @@ -288,9 +288,67 @@ int add_agent()
return (0);
}

int remove_agent()
int remove_agent_by_id(const char* id)
{
FILE *fp;
int id_exist;
char u_id[FILE_SIZE + 1];
u_id[FILE_SIZE] = '\0';

id_exist = IDExist(id);

if (!id_exist) {
printf(NO_ID, id);
return (1);
}

strncpy(u_id, id, FILE_SIZE);

do {

char *full_name = getFullnameById(u_id);

if (!full_name) {
printf(NO_ID, u_id);
return (1);
}

if (isChroot()) {
fp = fopen(AUTH_FILE, "r+");
} else {
fp = fopen(KEYSFILE_PATH, "r+");
}

if (!fp) {
free(full_name);
ErrorExit(FOPEN_ERROR, ARGV0, AUTH_FILE, errno, strerror(errno));
}
#ifndef WIN32
chmod(AUTH_FILE, 0440);
#endif

/* Remove the agent, but keep the id */
fsetpos(fp, &fp_pos);
fprintf(fp, "%s #*#*#*#*#*#*#*#*#*#*#", u_id);

fclose(fp);

/* Remove counter for ID */
delete_agentinfo(full_name);
OS_RemoveCounter(u_id);
free(full_name);
full_name = NULL;

printf(REMOVE_DONE, u_id);
restart_necessary = 1;
break;

} while (1);

return (0);
}
int remove_agent()
{
char *user_input;
char u_id[FILE_SIZE + 1];
int id_exist;
Expand Down Expand Up @@ -333,55 +391,22 @@ int remove_agent()
}
} while (!id_exist);

do {
printf(REMOVE_CONFIRM);
fflush(stdout);

user_input = getenv("OSSEC_ACTION_CONFIRMED");
if (user_input == NULL) {
user_input = read_from_user();
} else {
printf("%s\n", user_input);
}

/* If user confirms */
if (user_input[0] == 'y' || user_input[0] == 'Y') {
/* Get full agent name */
char *full_name = getFullnameById(u_id);
if (!full_name) {
printf(NO_ID, u_id);
return (1);
}

fp = fopen(AUTH_FILE, "r+");
if (!fp) {
free(full_name);
ErrorExit(FOPEN_ERROR, ARGV0, AUTH_FILE, errno, strerror(errno));
}
#ifndef WIN32
chmod(AUTH_FILE, 0440);
#endif

/* Remove the agent, but keep the id */
fsetpos(fp, &fp_pos);
fprintf(fp, "%s #*#*#*#*#*#*#*#*#*#*#", u_id);

fclose(fp);
printf(REMOVE_CONFIRM);
fflush(stdout);

/* Remove counter for ID */
delete_agentinfo(full_name);
OS_RemoveCounter(u_id);
free(full_name);
full_name = NULL;
user_input = getenv("OSSEC_ACTION_CONFIRMED");
if (user_input == NULL) {
user_input = read_from_user();
} else {
printf("%s\n", user_input);
}

printf(REMOVE_DONE, u_id);
restart_necessary = 1;
break;
} else { /* if(user_input[0] == 'n' || user_input[0] == 'N') */
printf(REMOVE_NOT);
break;
}
} while (1);
/* If user confirms */
if (user_input[0] == 'y' || user_input[0] == 'Y') {
remove_agent_by_id(u_id);
} else { /* if(user_input[0] == 'n' || user_input[0] == 'N') */
printf(REMOVE_NOT);
}

return (0);
}
Expand Down
1 change: 1 addition & 0 deletions src/addagent/manage_agents.h
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ char *read_from_user(void);
/* Add or remove an agent */
int add_agent(void);
int remove_agent(void);
int remove_agent_by_id(const char* id);

/* Extract or import a key */
int k_extract(const char *cmdextract);
Expand Down
19 changes: 16 additions & 3 deletions src/addagent/validate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,11 @@ char *OS_AddNewAgent(const char *name, const char *ip, const char *id)
id = nid;
}

fp = fopen(KEYSFILE_PATH, "a");
if (isChroot()) {
fp = fopen(AUTH_FILE, "a");
} else {
fp = fopen(KEYSFILE_PATH, "a");
}
if (!fp) {
return (NULL);
}
Expand Down Expand Up @@ -107,7 +111,12 @@ char *getFullnameById(const char *id)
return (NULL);
}

fp = fopen(AUTH_FILE, "r");
if (isChroot()) {
fp = fopen(AUTH_FILE, "r");
} else {
fp = fopen(KEYSFILE_PATH, "r");
}

if (!fp) {
return (NULL);
}
Expand Down Expand Up @@ -304,7 +313,11 @@ int print_agents(int print_status, int active_only, int csv_output)
char line_read[FILE_SIZE + 1];
line_read[FILE_SIZE] = '\0';

fp = fopen(AUTH_FILE, "r");
if (isChroot()) {
fp = fopen(AUTH_FILE, "r");
} else {
fp = fopen(KEYSFILE_PATH, "r");
}
if (!fp) {
return (0);
}
Expand Down