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Reading email using IMAP #61

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Reading email using IMAP #61

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3c52cdf
adding reading functionality
LilyaMel Apr 20, 2019
769a150
fusion
GaelleMarais Apr 23, 2019
5ba26de
Merge remote-tracking branch 'upstream/master'
LilyaMel Apr 25, 2019
067335c
Merge branch 'master' of https://github.com/GaelleMarais/Virtual-Assi…
LilyaMel Apr 25, 2019
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4 changes: 2 additions & 2 deletions email.c
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Original file line number Diff line number Diff line change
Expand Up @@ -49,13 +49,13 @@ int email(){
int exit =0;
while(exit==0){
system("say what do you want to do with your emails ?");
printf("\n\nWhat do you want to do with your emails ? (send/configure)\n> ");
printf("\n\nWhat do you want to do with your emails ? (send/read/configure)\n> ");
scanf("%s", action);
if(strcmp(action,"send")==0 || strcmp(action,"sned")==0 || strcmp(action,"1")==0 ){
system("say You can write your email.");
ssl_connect("send");
}else if(strcmp(action,"read")==0 || strcmp(action,"raed")==0 || strcmp(action,"2")==0){
printf("NOT IMPLEMENTED YET.");
ssl_connect("read");
} else if (strcmp(action,"configure")==0 || strcmp(action,"3")==0){
config_email_function();
} else if (strcmp(action,"exit")==0 || strcmp(action,"quit")==0 || strcmp(action,"cancel")==0 || strcmp(action,"close")==0){
Expand Down
224 changes: 221 additions & 3 deletions ssl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@
#include <openssl/err.h>

#ifndef BUFFER_SIZE
#define BUFFER_SIZE 4096
#define BUFFER_SIZE 104096
#endif

int SMTP_request(SSL *ssl, char* to, char* title, char* body){
Expand Down Expand Up @@ -108,6 +108,224 @@ int SMTP_request(SSL *ssl, char* to, char* title, char* body){
return 0;
}

void display_header(SSL* ssl, int n){
char resp[BUFFER_SIZE]="";
char resp_buff[BUFFER_SIZE]="";
char buff[BUFFER_SIZE]="";
char from[BUFFER_SIZE]="";
char subject[BUFFER_SIZE]="";
char date[BUFFER_SIZE]="";
char temp_num[BUFFER_SIZE] = "";
char* temp = calloc(BUFFER_SIZE, sizeof(char));

sprintf(temp_num, "%d", n);
printf(" N°: %s ", temp_num);

strcpy(buff, "from fetch ");
strcat(buff, temp_num);
strcat(buff, " (body[header.fields (from date subject)])\r\n");
SSL_write(ssl, buff, strlen(buff));
//DEBUG printf("\n[Send] %s\n", buff);
SSL_read(ssl,resp_buff, sizeof (resp_buff));
//DEBUG printf("[RECEIVED] %s",resp_buff);
strcpy(resp, resp_buff);

temp = strtok(resp_buff, "\r\n");
while(strcmp(temp,"from OK Success") != 0){
SSL_read(ssl,resp_buff, sizeof (resp_buff));
strcat(resp, resp_buff);
temp = strtok(resp_buff, "\r\n");
}
temp =strtok(resp, "\r\n");
for(int i = 0; i < 3; i++)
{
temp =strtok(NULL, "\r\n");
if(temp[0]=='F') strcpy(from, temp);
else if(temp[0]=='S') strcpy(subject, temp);
else if(temp[0]=='D'){
strncpy(date, temp, 31);
}
}

//temp = calloc(BUFFER_SIZE, sizeof(char));
printf("%s\n",from);
printf(" %s\n",subject);
printf(" %s \n",date);
bzero(resp_buff,sizeof(resp_buff));

strcpy(buff, "str store ");
strcat(buff, temp_num);
strcat(buff, " flags unseen\r\n");
SSL_write(ssl, buff, strlen(buff));
//DEBUG printf("\n[Send] %s\n", buff);
SSL_read(ssl,resp_buff, sizeof (resp_buff)); //fetch
//DEBUG printf("[RECEIVED] %s",resp_buff);
temp = strtok(resp_buff, "\r\n");
int success = 0;
while(success!=1){
while (temp != NULL) {
if(strcmp(temp,"str OK Success") == 0) success = 1;
temp = strtok(NULL, "\r\n");
}
if(success==0){
SSL_read(ssl,resp_buff, sizeof (resp_buff));
temp = strtok(resp_buff, "\r\n");
}
}
bzero(resp_buff,sizeof(resp_buff));
}


int display_list(SSL *ssl){
char resp_buff[BUFFER_SIZE]="";
char buff[BUFFER_SIZE]="";
int new_messages[100] = {0};
int total_unseen = 0;

strcpy(buff, "sel select inbox\r\n");
SSL_write(ssl, buff, strlen(buff));
//DEBUG printf("\n[Send] %s\n", buff);
SSL_read(ssl,resp_buff, sizeof (resp_buff));
//DEBUG printf("[RECEIVED] %s",resp_buff);
bzero(resp_buff,sizeof(resp_buff));

strcpy(buff, "sea search (unseen)\r\n");
SSL_write(ssl, buff, strlen(buff));
//DEBUG printf("\n[Send] %s\n", buff);
SSL_read(ssl,resp_buff, sizeof (resp_buff));
//DEBUG printf("[RECEIVED] %s",resp_buff);
int i = 0;
char* temp = malloc(BUFFER_SIZE*sizeof(char));
temp = strtok(resp_buff, " "); //*
temp = strtok(NULL, " "); //SEARCH
while(strcmp(temp = strtok(NULL, " "), "OK") != 0 ) {
new_messages[i++] = atoi(temp);
total_unseen++;
}
//temp = malloc(BUFFER_SIZE*sizeof(char));
bzero(resp_buff,sizeof(resp_buff));

printf("You have %d new email(s)\n", total_unseen);
printf(" _____________________________________________________________________________________________________________________________________________\n");
printf("| New emails |\n");
printf("|_____________________________________________________________________________________________________________________________________________|\n");
int num=0;
while(new_messages[num] != 0){
display_header(ssl, new_messages[num++]);
printf("|____________________________________________________________________________________________________________________________________________|\n");
}

return total_unseen;
}



void display_email(SSL *ssl, int n){
char resp[BUFFER_SIZE]="";
char resp_buff[BUFFER_SIZE]="";
char buff[BUFFER_SIZE]="";
char num[10]="";
char* temp = calloc(BUFFER_SIZE, sizeof(char));

sprintf(num, "%d", n);
printf("\n\n");
printf("_____________________________________________________________________________________________________________________________________________\n");

display_header(ssl, n);

strcpy(buff, "display fetch ");
strcat(buff, num);
strcat(buff, " body[text]\r\n");
SSL_write(ssl, buff, strlen(buff));
//DEBUG printf("\n[Send] %s\n", buff);
SSL_read(ssl,resp_buff, sizeof (resp_buff)); //fetch
//DEBUG printf("[RECEIVED] %s",resp_buff);
strcpy(resp, resp_buff);
temp = strtok(resp_buff, "\r\n");
while(strcmp(temp,"display OK Success") != 0){
SSL_read(ssl,resp_buff, sizeof (resp_buff));
strcat(resp, resp_buff);
temp = strtok(resp_buff, "\r\n");
}
temp = strtok(resp, "\r\n");
temp = strtok(NULL,"\r\n");
while(strcmp(temp, ")") != 0 ){
printf("%s\n",temp);
temp = strtok(NULL, "\r\n");
}
bzero(resp_buff,sizeof(resp_buff));
printf("_____________________________________________________________________________________________________________________\n");

}

void IMAP_request(SSL *ssl){
char resp_buff[BUFFER_SIZE]="";
char buff[BUFFER_SIZE]="";
char from[BUFFER_SIZE]="";
char authlog[BUFFER_SIZE]="";
char authpass[BUFFER_SIZE]="";
char decodepass[BUFFER_SIZE]="";
char temp[BUFFER_SIZE]="";


FILE* config_email = NULL;
config_email = fopen("config_email", "r+");
fgets(from,BUFFER_SIZE,config_email);
fgets(authlog,BUFFER_SIZE,config_email);
fgets(authpass,BUFFER_SIZE,config_email);
from[strlen(from) - 1] = '\0';
authlog[strlen(authlog) - 1] = '\0';
authpass[strlen(authpass) - 1] = '\0';

SSL_read(ssl,resp_buff, sizeof (resp_buff));
//DEBUG printf("[RECEIVED] %s",resp_buff);

strcpy(buff,"log login ");
strcat(buff,from);
strcat(buff," ");
strcat(decodepass, (char*)b64_decode(authpass, strlen(authpass)));
strcat(buff,decodepass);
strcat(buff,"\r\n");
SSL_write(ssl, buff, strlen(buff));
//DEBUG printf("\n[Send] %s\n", buff);
SSL_read(ssl,resp_buff, sizeof (resp_buff));
//DEBUG printf("[RECEIVED] %s",resp_buff);
bzero(resp_buff,sizeof(resp_buff));

char line[BUFFER_SIZE] = "";
display_list(ssl);
printf("Please enter a command.\nEnter 'help' to display command list.(Enter 'quit' to close your connection)\n");

while(strcmp(temp,"quit")!=0){
fgets(line, BUFFER_SIZE, stdin);
strncpy(temp, line, 4);
if(strcmp(temp, "show")==0){
strncpy(temp, line+5, strlen(line)-1);
int n = atoi(temp);
display_email(ssl, n);
printf("Please enter a command.\nEnter 'help' to display command list.(Enter 'quit' to close your connection)\n");
}
else if(strcmp(temp, "help")==0){
printf("___________________________________________________\n");
printf("User commands : |\n");
printf("show (n°email) display a specific email |\n");
printf("quit close the connection |\n");
printf("help diplay commands list |\n");
printf("___________________________________________________|\n");
printf("Please enter a command.\nEnter 'help' to display command list.(Enter 'quit' to close your connection)\n");

}

}

strcpy(buff, "LOGOUT\r\n");
SSL_write(ssl, buff, strlen(buff));
//DEBUG printf("\n[Send] %s\n", buff);
SSL_read(ssl,resp_buff, sizeof (resp_buff));
//DEBUG printf("[RECEIVED] %s",resp_buff);
}


const char* get_ip_adress(const char* target_domain){
const char* target_ip;
struct in_addr *host_address;
Expand Down Expand Up @@ -158,7 +376,7 @@ int ssl_connect(char *arg) {
if(strcmp(arg,"send")==0){
connceted_fd = connect_to_server("smtp.gmail.com",465);
}else if (strcmp(arg,"read")==0){
connceted_fd = connect_to_server("pop.gmail.com",995);
connceted_fd = connect_to_server("imap.gmail.com",993);
}
if (connceted_fd != 0) {
SSL_set_fd(ssl, connceted_fd);
Expand Down Expand Up @@ -193,7 +411,7 @@ int ssl_connect(char *arg) {
printf("Error \xe2\x9C\x97\nPlease verify your email adress and password.\n");
}
}else if (strcmp(arg,"read")==0){
//TODO
IMAP_request(ssl);
}
}
}
Expand Down