/*
- To use it as a super-history-search for bash:
- mymail --bash <(history)
+ This command is a dumb mail indexer. It can either (1) scan
+ directories containing mbox files, and create a db file containing
+ for each mail a list of fields computed from the header, or (2)
+ read such a db file and get all the mails matching regexp-defined
+ conditions on the fields, to create a resulting mbox file.
+
+ It is low-tech, simple, light and fast.
*/
#include <stdio.h>
#include <stdlib.h>
-#include <unistd.h>
#include <string.h>
#include <errno.h>
-#include <ncurses.h>
#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <termios.h>
-#include <regex.h>
#include <locale.h>
#include <getopt.h>
#include <limits.h>
+#include <dirent.h>
+#include <regex.h>
+#include <time.h>
+
+#define MYMAIL_DB_MAGIC_TOKEN "mymail_index_file"
+#define VERSION "0.9.5"
+
+#define MAX_NB_SEARCH_CONDITIONS 32
+
+#define BUFFER_SIZE 65536
+#define TOKEN_BUFFER_SIZE 1024
+
+#define LEADING_FROM_LINE_REGEXP_STRING "^From [^ ]* \\(Mon\\|Tue\\|Wed\\|Thu\\|Fri\\|Sat\\|Sun\\) \\(Jan\\|Feb\\|Mar\\|Apr\\|May\\|Jun\\|Jul\\|Aug\\|Sep\\|Oct\\|Nov\\|Dec\\) [ 123][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]\n$"
+
+/* Global variables! */
+
+int paranoid;
+int quiet;
+int ignore_dot_files;
+
+regex_t leading_from_line_regexp;
+
+/********************************************************************/
+
+enum {
+ ID_MAIL = 0,
+ ID_LEADING_LINE,
+ ID_FROM,
+ ID_TO,
+ ID_SUBJECT,
+ ID_DATE,
+ ID_PARTICIPANT,
+ ID_BODY,
+ ID_INTERVAL,
+ MAX_ID
+};
+
+static char *field_names[] = {
+ "mail",
+ "lead",
+ "from",
+ "to",
+ "subject",
+ "date",
+ "part",
+ "body",
+ "interval"
+};
+
+/********************************************************************/
-#define VERSION "1.1.7"
+struct search_condition {
+ int field_id;
+ int negation;
+ regex_t regexp;
+ time_t interval_start, interval_stop;
+};
+
+/********************************************************************/
+
+struct parsable_field {
+ int id;
+ int cflags;
+ char *regexp_string;
+ regex_t regexp;
+};
+
+static struct parsable_field fields_to_parse[] = {
+ {
+ ID_LEADING_LINE,
+ 0,
+ "^From ",
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+
+ {
+ ID_FROM,
+ REG_ICASE,
+ "^\\(from\\|reply-to\\|sender\\|return-path\\): ",
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+
+ {
+ ID_TO,
+ REG_ICASE,
+ "^\\(to\\|cc\\|bcc\\): ",
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+
+ {
+ ID_SUBJECT,
+ REG_ICASE,
+ "^subject: ",
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
-#define BUFFER_SIZE 16384
+ {
+ ID_DATE,
+ REG_ICASE,
+ "^date: ",
+ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+ },
+
+};
/********************************************************************/
-/* malloc with error checking. */
+int xor(int a, int b) {
+ return (a && !b) || (!a && b);
+}
-void *safe_malloc(size_t n) {
- void *p = malloc(n);
- if(!p && n != 0) {
+const char *parse_token(char *token_buffer, size_t token_buffer_size,
+ char separator, const char *string) {
+ char *u = token_buffer;
+ while(*string == separator) { string++; }
+ while(u < token_buffer + token_buffer_size - 1 && *string &&
+ *string != separator) {
+ *(u++) = *(string++);
+ }
+ while(*string == separator) { string++; }
+ *u = '\0';
+ return string;
+}
+
+char *default_value(char *current_value,
+ const char *env_variable,
+ const char *hard_default_value) {
+ if(current_value) {
+ return current_value;
+ } else {
+ char *env_value = getenv(env_variable);
+ if(env_value) {
+ return strdup(env_value);
+ } else if(hard_default_value) {
+ return strdup(hard_default_value);
+ } else {
+ return 0;
+ }
+ }
+}
+
+FILE *safe_fopen(const char *path, const char *mode, const char *comment) {
+ FILE *result = fopen(path, mode);
+ if(result) {
+ return result;
+ } else {
fprintf(stderr,
- "mymail: can not allocate memory: %s\n", strerror(errno));
+ "mymail: Cannot open file '%s' (%s) with mode \"%s\".\n",
+ path, comment, mode);
exit(EXIT_FAILURE);
}
- return p;
}
/*********************************************************************/
-void usage(FILE *out) {
-
+void print_version(FILE *out) {
fprintf(out, "mymail version %s (%s)\n", VERSION, UNAME);
+}
+
+void print_usage(FILE *out) {
+ print_version(out);
fprintf(out, "Written by Francois Fleuret <francois@fleuret.org>.\n");
fprintf(out, "\n");
- fprintf(out, "Usage: mymail [options] [<filename1> [<filename2> ...]]\n");
+ fprintf(out, "Usage: mymail [options] [<mbox dir1> [<mbox dir2> ...]|<db file1> [<db file2> ...]]\n");
fprintf(out, "\n");
+ fprintf(out, " -h, --help\n");
+ fprintf(out, " show this help\n");
+ fprintf(out, " -v, --version\n");
+ fprintf(out, " print the version number\n");
+ fprintf(out, " -q, --quiet\n");
+ fprintf(out, " do not print information during search\n");
+ fprintf(out, " -p <db filename pattern>, --db-pattern <db filename pattern>\n");
+ fprintf(out, " set the db filename pattern for recursive search\n");
+ fprintf(out, " -r <db root path>, --db-root <db root path>\n");
+ fprintf(out, " set the db root path for recursive search\n");
+ fprintf(out, " -l <db filename list>, --db-list <db filename list>\n");
+ fprintf(out, " set the semicolon-separated list of db files for search\n");
+ fprintf(out, " -m <mbox filename pattern>, --mbox-pattern <mbox filename pattern>\n");
+ fprintf(out, " set the mbox filename pattern for recursive search\n");
+ fprintf(out, " -s <search pattern>, --search <search pattern>\n");
+ fprintf(out, " search for matching mails in the db file\n");
+ fprintf(out, " -d <db filename>, --db-file-generate <db filename>\n");
+ fprintf(out, " set the db filename for indexing\n");
+ fprintf(out, " -i, --index\n");
+ fprintf(out, " index mails\n");
+ fprintf(out, " -o <output filename>, --output <output filename>\n");
+ fprintf(out, " set the result file, use stdout if unset\n");
+ fprintf(out, " -a <search field>, --default-search <search field>\n");
+ fprintf(out, " set the default search field\n");
}
-void read_file(const char *input_filename,
- int nb_lines_max, int *nb_lines) {
+/*********************************************************************/
- char raw_line[BUFFER_SIZE];
- char *s;
- FILE *file;
- int l;
+int ignore_entry(const char *name) {
+ return
+ strcmp(name, ".") == 0 ||
+ strcmp(name, "..") == 0 ||
+ (ignore_dot_files && name[0] == '.' && name[1] != '/');
+}
+
+int is_a_leading_from_line(char *mbox_line) {
+ return
+ strncmp(mbox_line, "From ", 5) == 0 &&
+ regexec(&leading_from_line_regexp, mbox_line, 0, 0, 0) == 0;
+}
+
+int mbox_line_match_search(struct search_condition *condition,
+ int mbox_id, const char *mbox_value) {
+
+ if(condition->field_id == ID_INTERVAL) {
+ if(mbox_id == ID_LEADING_LINE) {
+ const char *c;
+ time_t t;
+ struct tm tm;
+
+ c = mbox_value;
+ while(*c && *c != ' ') c++; while(*c && *c == ' ') c++;
+ strptime(c, "%a %b %e %k:%M:%S %Y", &tm);
+ t = mktime(&tm);
+
+ return (t >= condition->interval_start &&
+ (condition->interval_stop == 0 ||
+ t <= condition->interval_stop));
+ } else {
+ return 0;
+ }
+ } else {
+ return
+ (
+
+ (condition->field_id == mbox_id)
+
+ ||
+
+ (condition->field_id == ID_PARTICIPANT && (mbox_id == ID_LEADING_LINE ||
+ mbox_id == ID_FROM ||
+ mbox_id == ID_TO))
+ ||
+
+ (condition->field_id == ID_FROM && mbox_id == ID_LEADING_LINE)
+
+ )
+
+ &&
+
+ regexec(&condition->regexp, mbox_value, 0, 0, 0) == 0;
+ }
+}
+
+void update_body_hits(char *mail_filename, int position_in_mail,
+ int nb_search_conditions, struct search_condition *search_conditions,
+ int nb_body_conditions,
+ int *hits) {
+ FILE *mail_file;
+ int header, n;
+ char raw_mbox_line[BUFFER_SIZE];
+ int nb_body_hits;
+
+ nb_body_hits = 0;
+
+ header = 1;
+ mail_file = safe_fopen(mail_filename, "r", "mbox for body scan");
+
+ fseek(mail_file, position_in_mail, SEEK_SET);
+
+ if(fgets(raw_mbox_line, BUFFER_SIZE, mail_file)) {
+ while(nb_body_hits < nb_body_conditions) {
+ /* last_mbox_line_was_empty = (raw_mbox_line[0] == '\n'); */
+ /* if(last_mbox_line_was_empty) { header = 0; } */
+
+ if(raw_mbox_line[0] == '\n') { header = 0; }
+
+ if(!header) {
+ for(n = 0; n < nb_search_conditions; n++) {
+ if(search_conditions[n].field_id == ID_BODY && !hits[n]) {
+ hits[n] =
+ (regexec(&search_conditions[n].regexp, raw_mbox_line, 0, 0, 0) == 0);
+ if(hits[n]) {
+ nb_body_hits++;
+ }
+ }
+ }
+ }
+
+ if(!fgets(raw_mbox_line, BUFFER_SIZE, mail_file) ||
+ (is_a_leading_from_line(raw_mbox_line)))
+ break;
+ }
+ }
+
+ fclose(mail_file);
+}
- file = fopen(input_filename, "r");
+void extract_mail(const char *mail_filename, unsigned long int position_in_mail,
+ FILE *output_file) {
+ char raw_mbox_line[BUFFER_SIZE];
+ FILE *mail_file;
- if(!file) {
- fprintf(stderr, "mymail: Can not open `%s'.\n", input_filename);
+ mail_file = safe_fopen(mail_filename, "r", "mbox for mail extraction");
+ fseek(mail_file, position_in_mail, SEEK_SET);
+
+ if(fgets(raw_mbox_line, BUFFER_SIZE, mail_file)) {
+ fprintf(output_file, "%s", raw_mbox_line);
+ while(1) {
+ if(!fgets(raw_mbox_line, BUFFER_SIZE, mail_file) ||
+ (is_a_leading_from_line(raw_mbox_line))
+ )
+ break;
+ fprintf(output_file, "%s", raw_mbox_line);
+ }
+ }
+
+ fclose(mail_file);
+}
+
+int search_in_db(const char *db_filename,
+ int nb_search_conditions,
+ struct search_condition *search_conditions,
+ FILE *output_file) {
+
+ int hits[MAX_NB_SEARCH_CONDITIONS];
+ char raw_db_line[BUFFER_SIZE];
+ char current_mail_filename[PATH_MAX + 1];
+ unsigned long int current_position_in_mail;
+ char mbox_name[TOKEN_BUFFER_SIZE];
+ const char *mbox_value;
+ int mbox_id;
+ int already_written, m, n;
+ int nb_body_conditions, nb_fulfilled_body_conditions;
+ FILE *db_file;
+ int nb_extracted_mails;
+
+ nb_extracted_mails = 0;
+
+ if(!quiet) {
+ printf("Searching in '%s' ... ", db_filename);
+ fflush(stdout);
+ }
+
+ db_file = safe_fopen(db_filename, "r", "index file for search");
+
+ /* First, check the db file leading line integrity */
+
+ if(fgets(raw_db_line, BUFFER_SIZE, db_file)) {
+ if(strncmp(raw_db_line, MYMAIL_DB_MAGIC_TOKEN, strlen(MYMAIL_DB_MAGIC_TOKEN))) {
+ fprintf(stderr,
+ "mymail: Header line in '%s' does not match the mymail db format.\n",
+ db_filename);
+ exit(EXIT_FAILURE);
+ }
+ } else {
+ fprintf(stderr,
+ "mymail: Cannot read the header line in '%s'.\n",
+ db_filename);
exit(EXIT_FAILURE);
}
- while(*nb_lines < nb_lines_max && fgets(raw_line, BUFFER_SIZE, file)) {
- l = strlen(raw_line);
- fgets(raw_line + l, BUFFER_SIZE - l, file);
- for(s = raw_line + strlen(raw_line) - 1; s > raw_line && *s == '\n'; s--) {
- *s = '\0';
+ /* Then parse the said db file */
+
+ current_position_in_mail = 0;
+ already_written = 0;
+
+ for(n = 0; n < nb_search_conditions; n++) { hits[n] = 0; }
+
+ nb_body_conditions = 0;
+ for(n = 0; n < nb_search_conditions; n++) {
+ if(search_conditions[n].field_id == ID_BODY) {
+ nb_body_conditions++;
+ }
+ }
+
+ strcpy(current_mail_filename, "");
+
+ while(fgets(raw_db_line, BUFFER_SIZE, db_file)) {
+ mbox_value = parse_token(mbox_name, TOKEN_BUFFER_SIZE, ' ', raw_db_line);
+
+ if(strcmp("mail", mbox_name) == 0) {
+ char position_in_file_string[TOKEN_BUFFER_SIZE];
+
+ if(current_mail_filename[0]) {
+
+ /* We first check all conditions but the body ones */
+
+ for(n = 0; n < nb_search_conditions &&
+ ((search_conditions[n].field_id == ID_BODY) ||
+ xor(hits[n], search_conditions[n].negation)); n++);
+
+ if(n == nb_search_conditions) {
+
+ /* Now check the body ones */
+
+ if(nb_body_conditions > 0) {
+ update_body_hits(current_mail_filename, current_position_in_mail,
+ nb_search_conditions, search_conditions,
+ nb_body_conditions,
+ hits);
+ }
+
+ nb_fulfilled_body_conditions = 0;
+
+ for(n = 0; n < nb_search_conditions; n++) {
+ if(search_conditions[n].field_id == ID_BODY &&
+ xor(hits[n], search_conditions[n].negation)) {
+ nb_fulfilled_body_conditions++;
+ }
+ }
+
+ if(nb_body_conditions == nb_fulfilled_body_conditions) {
+ nb_extracted_mails++;
+ extract_mail(current_mail_filename, current_position_in_mail, output_file);
+ }
+ }
+ }
+
+ for(n = 0; n < nb_search_conditions; n++) { hits[n] = 0; }
+
+ mbox_value = parse_token(position_in_file_string, TOKEN_BUFFER_SIZE, ' ', mbox_value);
+ mbox_value = parse_token(current_mail_filename, TOKEN_BUFFER_SIZE, '\n', mbox_value);
+ current_position_in_mail = atol(position_in_file_string);
+ already_written = 0;
+ }
+
+ else {
+ mbox_id = -1;
+ for(m = 0; (m < MAX_ID) && mbox_id == -1; m++) {
+ if(strncmp(field_names[m], mbox_name, strlen(mbox_name)) == 0) {
+ mbox_id = m;
+ }
+ }
+ for(n = 0; n < nb_search_conditions; n++) {
+ hits[n] |= mbox_line_match_search(&search_conditions[n],
+ mbox_id, mbox_value);
+ }
+ }
+ }
+
+ fclose(db_file);
+
+ if(!quiet) {
+ printf("done.\n");
+ fflush(stdout);
+ }
+
+ return nb_extracted_mails;
+}
+
+int recursive_search_in_db(const char *entry_name, regex_t *db_filename_regexp,
+ int nb_search_conditions,
+ struct search_condition *search_conditions,
+ FILE *output_file) {
+ DIR *dir;
+ struct dirent *dir_e;
+ struct stat sb;
+ char subname[PATH_MAX + 1];
+ int nb_extracted_mails = 0;
+
+ if(lstat(entry_name, &sb) != 0) {
+ fprintf(stderr,
+ "mymail: Cannot stat \"%s\": %s\n",
+ entry_name,
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ /* printf("recursive_search_in_db %s\n", entry_name); */
+
+ dir = opendir(entry_name);
+
+ if(dir) {
+ while((dir_e = readdir(dir))) {
+ if(!ignore_entry(dir_e->d_name)) {
+ snprintf(subname, PATH_MAX, "%s/%s", entry_name, dir_e->d_name);
+ nb_extracted_mails += recursive_search_in_db(subname, db_filename_regexp,
+ nb_search_conditions, search_conditions,
+ output_file);
+ }
+ }
+ closedir(dir);
+ }
+
+ else {
+ const char *s = entry_name, *filename = entry_name;
+ while(*s) { if(*s == '/') { filename = s+1; } s++; }
+
+ if(regexec(db_filename_regexp, filename, 0, 0, 0) == 0) {
+ nb_extracted_mails +=
+ search_in_db(entry_name, nb_search_conditions, search_conditions, output_file);
+ }
+ }
+
+ return nb_extracted_mails;
+}
+
+/*********************************************************************/
+
+void index_one_mbox_line(unsigned int nb_fields_to_parse,
+ struct parsable_field *fields_to_parse,
+ char *raw_mbox_line, FILE *db_file) {
+ regmatch_t matches;
+ unsigned int f;
+ for(f = 0; f < nb_fields_to_parse; f++) {
+ if(regexec(&fields_to_parse[f].regexp, raw_mbox_line, 1, &matches, 0) == 0) {
+ fprintf(db_file, "%s %s\n",
+ field_names[fields_to_parse[f].id],
+ raw_mbox_line + matches.rm_eo);
+ }
+ }
+}
+
+void index_mbox(const char *mbox_filename,
+ int nb_fields_to_parse, struct parsable_field *fields_to_parse,
+ FILE *db_file) {
+ char raw_mbox_line[BUFFER_SIZE], full_line[BUFFER_SIZE];
+ char *end_of_full_line;
+ FILE *file;
+ int in_header, new_header;
+ unsigned long int position_in_file;
+
+ file = safe_fopen(mbox_filename, "r", "mbox for indexing");
+
+ in_header = 0;
+ new_header = 0;
+
+ position_in_file = 0;
+ end_of_full_line = 0;
+ full_line[0] = '\0';
+
+ while(fgets(raw_mbox_line, BUFFER_SIZE, file)) {
+ if(is_a_leading_from_line(raw_mbox_line)) {
+ if(in_header) {
+ fprintf(stderr,
+ "Got a ^\"From \" in the header in %s:%lu.\n",
+ mbox_filename, position_in_file);
+ fprintf(stderr, "%s", raw_mbox_line);
+ if(paranoid) { exit(EXIT_FAILURE); }
+ }
+ in_header = 1;
+ new_header = 1;
+ } else if(raw_mbox_line[0] == '\n') {
+ if(in_header) { in_header = 0; }
}
- /* store_line(hash_table, raw_line, nb_lines, lines); */
+
+ if(in_header) {
+ if(new_header) {
+ fprintf(db_file, "mail %lu %s\n", position_in_file, mbox_filename);
+ new_header = 0;
+ }
+
+ if(raw_mbox_line[0] == ' ' || raw_mbox_line[0] == '\t') {
+ char *start = raw_mbox_line;
+ while(*start == ' ' || *start == '\t') start++;
+ *(end_of_full_line++) = ' ';
+ strcpy(end_of_full_line, start);
+ while(*end_of_full_line && *end_of_full_line != '\n') {
+ end_of_full_line++;
+ }
+ *end_of_full_line = '\0';
+ }
+
+ else {
+ /*
+ if(!((raw_mbox_line[0] >= 'a' && raw_mbox_line[0] <= 'z') ||
+ (raw_mbox_line[0] >= 'A' && raw_mbox_line[0] <= 'Z'))) {
+ fprintf(stderr,
+ "Header line syntax error %s:%lu.\n",
+ mbox_filename, position_in_file);
+ fprintf(stderr, "%s", raw_mbox_line);
+ }
+ */
+
+ if(full_line[0]) {
+ index_one_mbox_line(nb_fields_to_parse, fields_to_parse, full_line, db_file);
+ }
+
+ end_of_full_line = full_line;
+ strcpy(end_of_full_line, raw_mbox_line);
+ while(*end_of_full_line && *end_of_full_line != '\n') {
+ end_of_full_line++;
+ }
+ *end_of_full_line = '\0';
+ }
+
+ }
+
+ position_in_file += strlen(raw_mbox_line);
}
fclose(file);
}
+void recursive_index_mbox(FILE *db_file,
+ const char *entry_name, regex_t *mbox_filename_regexp,
+ int nb_fields_to_parse, struct parsable_field *fields_to_parse) {
+ DIR *dir;
+ struct dirent *dir_e;
+ struct stat sb;
+ char subname[PATH_MAX + 1];
+
+ if(lstat(entry_name, &sb) != 0) {
+ fprintf(stderr,
+ "mymail: Cannot stat \"%s\": %s\n",
+ entry_name,
+ strerror(errno));
+ exit(EXIT_FAILURE);
+ }
+
+ dir = opendir(entry_name);
+
+ if(dir) {
+ while((dir_e = readdir(dir))) {
+ if(!ignore_entry(dir_e->d_name)) {
+ snprintf(subname, PATH_MAX, "%s/%s", entry_name, dir_e->d_name);
+ recursive_index_mbox(db_file, subname, mbox_filename_regexp,
+ nb_fields_to_parse, fields_to_parse);
+ }
+ }
+ closedir(dir);
+ } else {
+ const char *s = entry_name, *filename = s;
+ while(*s) { if(*s == '/') { filename = s+1; }; s++; }
+ if(!mbox_filename_regexp || regexec(mbox_filename_regexp, filename, 0, 0, 0) == 0) {
+ index_mbox(entry_name, nb_fields_to_parse, fields_to_parse, db_file);
+ }
+ }
+}
+
/*********************************************************************/
/* For long options that have no equivalent short option, use a
non-character as a pseudo short option, starting with CHAR_MAX + 1. */
-enum
-{
+enum {
OPT_BASH_MODE = CHAR_MAX + 1
};
static struct option long_options[] = {
{ "help", no_argument, 0, 'h' },
+ { "version", no_argument, 0, 'v' },
+ { "quiet", no_argument, 0, 'q' },
+ { "db-file-generate", 1, 0, 'd' },
+ { "db-pattern", 1, 0, 'p' },
+ { "db-root", 1, 0, 'r' },
+ { "db-list", 1, 0, 'l' },
+ { "mbox-pattern", 1, 0, 'm' },
+ { "search", 1, 0, 's' },
+ { "index", 0, 0, 'i' },
+ { "output", 1, 0, 'o' },
+ { "default-search", 1, 0, 'a' },
{ 0, 0, 0, 0 }
};
+struct time_criterion {
+ char *label;
+ int start_hour, end_hour;
+ int past_week_day;
+};
+
+/*********************************************************************/
+
+static struct time_criterion time_criteria[] = {
+
+ { "8h", 8, -1, -1 },
+ { "today", 24, -1, -1 },
+ { "24h", 24, -1, -1 },
+ { "week", 24 * 7, -1, -1 },
+ { "month", 24 * 31, -1, -1 },
+ { "year", 24 * 365, -1, -1 },
+
+ { "yesterday", 48, 24, -1 },
+
+ { "monday", -1, -1, 1 },
+ { "tuesday", -1, -1, 2 },
+ { "wednesday", -1, -1, 3 },
+ { "thursday", -1, -1, 4 },
+ { "friday", -1, -1, 5 },
+ { "saturday", -1, -1, 6 },
+ { "sunday", -1, -1, 7 },
+
+};
+
+/*********************************************************************/
+
+time_t time_for_past_day(int day) {
+ time_t t;
+ struct tm *tm;
+ int delta_day;
+ t = time(0);
+ tm = localtime(&t);
+ delta_day = (7 + tm->tm_wday - day) % 7;
+ if(delta_day == 0) { delta_day = 7; }
+ return t - (delta_day * 3600 * 24 + tm->tm_sec + 60 * tm->tm_min + 3600 * tm->tm_hour);
+}
+
+void init_condition(struct search_condition *condition, const char *full_string,
+ const char *default_search_field) {
+ char full_search_field[TOKEN_BUFFER_SIZE], *search_field;
+ unsigned int k, m;
+ const char *string;
+
+ string = parse_token(full_search_field, TOKEN_BUFFER_SIZE, ' ', full_string);
+ search_field = full_search_field;
+
+ if(search_field[0] == '!') {
+ search_field++;
+ condition->negation = 1;
+ } else {
+ condition->negation = 0;
+ }
+
+ condition->field_id = -1;
+
+ /* Recently */
+
+ for(k = 0; k < sizeof(time_criteria) / sizeof(struct time_criterion); k++) {
+ if(strcmp(time_criteria[k].label, search_field) == 0) {
+ condition->field_id = ID_INTERVAL;
+ if(time_criteria[k].past_week_day < 0) {
+ condition->interval_start = time(0) - 3600 * time_criteria[k].start_hour;
+ if(time_criteria[k].end_hour >= 0) {
+ condition->interval_stop = time(0) - 3600 * time_criteria[k].end_hour;
+ } else {
+ condition->interval_stop = 0;
+ }
+ } else {
+ condition->interval_start = time_for_past_day(time_criteria[k].past_week_day);
+ condition->interval_stop = condition->interval_start + 3600 * 24;
+ }
+ break;
+ }
+ }
+
+ if(condition->field_id == -1) {
+
+ /* No time condition matched, look for the search fields */
+
+ for(m = 0; (m < MAX_ID) && condition->field_id == -1; m++) {
+ if(strncmp(field_names[m], search_field, strlen(search_field)) == 0) {
+ condition->field_id = m;
+ }
+ }
+
+ /* None match, if there is a default search field, re-run the search with it */
+
+ if(condition->field_id == -1) {
+ if(default_search_field) {
+ for(m = 0; (m < MAX_ID) && condition->field_id == -1; m++) {
+ if(strncmp(field_names[m],
+ default_search_field, strlen(default_search_field)) == 0) {
+ condition->field_id = m;
+ }
+ }
+ string = full_string;
+ }
+ }
+
+ if(condition->field_id == -1) {
+ fprintf(stderr,
+ "mymail: Syntax error in field name \"%s\".\n",
+ search_field);
+ exit(EXIT_FAILURE);
+ }
+
+ if(regcomp(&condition->regexp,
+ string,
+ REG_ICASE)) {
+ fprintf(stderr,
+ "mymail: Syntax error in regexp \"%s\" for field \"%s\".\n",
+ string,
+ field_names[condition->field_id]);
+ exit(EXIT_FAILURE);
+ }
+ }
+}
+
+void free_condition(struct search_condition *condition) {
+ if(condition->field_id != ID_INTERVAL) {
+ regfree(&condition->regexp);
+ }
+}
+
+/*********************************************************************/
+/*********************************************************************/
+/*********************************************************************/
+
int main(int argc, char **argv) {
+ char *db_filename = 0;
+ char *db_filename_regexp_string = 0;
+ char *db_root_path = 0;
+ char *db_filename_list = 0;
+ char *mbox_filename_regexp_string = 0;
+ char *default_search_field;
+ char output_filename[PATH_MAX + 1];
+ int action_index = 0;
int error = 0, show_help = 0;
+ const unsigned int nb_fields_to_parse =
+ sizeof(fields_to_parse) / sizeof(struct parsable_field);
char c;
+ unsigned int f, n;
+ unsigned int nb_search_conditions;
+ struct search_condition search_conditions[MAX_NB_SEARCH_CONDITIONS];
+
+ if(regcomp(&leading_from_line_regexp, LEADING_FROM_LINE_REGEXP_STRING, 0)) {
+ fprintf(stderr,
+ "mymail: Cannot compile leading \"from\" line regexp. That is strange.\n");
+ exit(EXIT_FAILURE);
+ }
+
+ paranoid = 0;
+ quiet = 0;
+ default_search_field = 0;
+ ignore_dot_files = 1;
+ strncpy(output_filename, "", PATH_MAX);
setlocale(LC_ALL, "");
- while ((c = getopt_long(argc, argv, "o:s:x:vwmqf:ibzdeajyunt:r:l:c:-h",
+ nb_search_conditions = 0;
+
+ while ((c = getopt_long(argc, argv, "hvqip:s:d:r:l:o:a:m:",
long_options, NULL)) != -1) {
switch(c) {
show_help = 1;
break;
+ case 'v':
+ print_version(stdout);
+ break;
+
+ case 'q':
+ quiet = 1;
+ break;
+
+ case 'i':
+ action_index = 1;
+ break;
+
+ case 'd':
+ if(db_filename) {
+ fprintf(stderr, "mymail: Can not set the db filename twice.\n");
+ exit(EXIT_FAILURE);
+ }
+ db_filename = strdup(optarg);
+ break;
+
+ case 'p':
+ if(db_filename_regexp_string) {
+ fprintf(stderr, "mymail: Can not set the db filename pattern twice.\n");
+ exit(EXIT_FAILURE);
+ }
+ db_filename_regexp_string = strdup(optarg);
+ break;
+
+ case 'm':
+ if(mbox_filename_regexp_string) {
+ fprintf(stderr, "mymail: Can not set the mbox filename pattern twice.\n");
+ exit(EXIT_FAILURE);
+ }
+ mbox_filename_regexp_string = strdup(optarg);
+ break;
+
+ case 'o':
+ strncpy(output_filename, optarg, PATH_MAX);
+ break;
+
+ case 'r':
+ if(db_root_path) {
+ fprintf(stderr, "mymail: Can not set the db root path twice.\n");
+ exit(EXIT_FAILURE);
+ }
+ db_root_path = strdup(optarg);
+ break;
+
+ case 'l':
+ if(db_filename_list) {
+ fprintf(stderr, "mymail: Can not set the db filename list twice.\n");
+ exit(EXIT_FAILURE);
+ }
+ db_filename_list = strdup(optarg);
+ break;
+
+ case 's':
+ if(nb_search_conditions == MAX_NB_SEARCH_CONDITIONS) {
+ fprintf(stderr, "mymail: Too many search patterns.\n");
+ exit(EXIT_FAILURE);
+ }
+ init_condition(&search_conditions[nb_search_conditions], optarg, default_search_field);
+ nb_search_conditions++;
+ break;
+
+ case 'a':
+ default_search_field = optarg;
+ break;
+
default:
error = 1;
break;
}
}
+ /* Set all the values that may defined in the arguments, through
+ environment variables, or hard-coded */
+
+ db_filename = default_value(db_filename,
+ "MYMAIL_DB_FILE",
+ "mymail.db");
+
+ db_filename_regexp_string = default_value(db_filename_regexp_string,
+ "MYMAIL_DB_FILE",
+ "\\.db$");
+
+ db_root_path = default_value(db_root_path,
+ "MYMAIL_DB_ROOT",
+ 0);
+
+ db_filename_list = default_value(db_filename_list,
+ "MYMAIL_DB_LIST",
+ 0);
+
+ mbox_filename_regexp_string = default_value(mbox_filename_regexp_string,
+ "MYMAIL_MBOX_PATTERN",
+ 0);
+
+ /* Start the processing */
+
if(error) {
- usage(stderr);
+ print_usage(stderr);
exit(EXIT_FAILURE);
}
if(show_help) {
- usage(stdout);
+ print_usage(stdout);
exit(EXIT_SUCCESS);
}
+ /* mbox indexing */
+
+ if(action_index) {
+ FILE *db_file;
+ regex_t mbox_filename_regexp_static;
+ regex_t *mbox_filename_regexp;
+
+ if(mbox_filename_regexp_string) {
+ if(regcomp(&mbox_filename_regexp_static,
+ mbox_filename_regexp_string,
+ 0)) {
+ fprintf(stderr,
+ "mymail: Syntax error in regexp \"%s\".\n",
+ mbox_filename_regexp_string);
+ exit(EXIT_FAILURE);
+ }
+ mbox_filename_regexp = &mbox_filename_regexp_static;
+ } else {
+ mbox_filename_regexp = 0;
+ }
+
+ db_file = safe_fopen(db_filename, "w", "index file for indexing");
+
+ for(f = 0; f < nb_fields_to_parse; f++) {
+ if(regcomp(&fields_to_parse[f].regexp,
+ fields_to_parse[f].regexp_string,
+ fields_to_parse[f].cflags)) {
+ fprintf(stderr,
+ "mymail: Syntax error in regexp \"%s\" for field \"%s\".\n",
+ fields_to_parse[f].regexp_string,
+ field_names[fields_to_parse[f].id]);
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ fprintf(db_file, "%s version_%s raw\n", MYMAIL_DB_MAGIC_TOKEN, VERSION);
+
+ while(optind < argc) {
+ recursive_index_mbox(db_file,
+ argv[optind], mbox_filename_regexp,
+ nb_fields_to_parse, fields_to_parse);
+ optind++;
+ }
+
+ fflush(db_file);
+ fclose(db_file);
+
+ if(mbox_filename_regexp) {
+ regfree(mbox_filename_regexp);
+ }
+
+ for(f = 0; f < nb_fields_to_parse; f++) {
+ regfree(&fields_to_parse[f].regexp);
+ }
+ }
+
+ /* Mail search */
+
+ else {
+
+ FILE *output_file;
+ int nb_extracted_mails = 0;
+
+ if(output_filename[0]) {
+ output_file = safe_fopen(output_filename, "w", "result mbox");
+ } else {
+ output_file = stdout;
+ quiet = 1;
+ }
+
+ if(nb_search_conditions > 0) {
+
+ /* Recursive search if db_root_path is set */
+
+ if(db_root_path) {
+ regex_t db_filename_regexp;
+ if(regcomp(&db_filename_regexp,
+ db_filename_regexp_string,
+ 0)) {
+ fprintf(stderr,
+ "mymail: Syntax error in regexp \"%s\".\n",
+ db_filename_regexp_string);
+ exit(EXIT_FAILURE);
+ }
+
+ nb_extracted_mails += recursive_search_in_db(db_root_path, &db_filename_regexp,
+ nb_search_conditions, search_conditions,
+ output_file);
+
+ regfree(&db_filename_regexp);
+ }
+
+ /* Search in all db files listed in db_filename_list */
+
+ if(db_filename_list) {
+ char db_filename[PATH_MAX + 1];
+ const char *s;
+
+ s = db_filename_list;
+
+ while(*s) {
+ s = parse_token(db_filename, PATH_MAX + 1, ';', s);
+
+ if(db_filename[0]) {
+ nb_extracted_mails +=
+ search_in_db(db_filename, nb_search_conditions, search_conditions, output_file);
+ }
+ }
+ }
+
+ /* Search in all db files listed in the command arguments */
+
+ while(optind < argc) {
+ nb_extracted_mails +=
+ search_in_db(argv[optind], nb_search_conditions, search_conditions, output_file);
+ optind++;
+ }
+ }
+
+ if(!quiet) {
+ if(nb_extracted_mails > 0) {
+ printf("Found %d matching mails.\n", nb_extracted_mails);
+ } else {
+ printf("No matching mail found.\n");
+ }
+ }
+
+ fflush(output_file);
+
+ if(output_file != stdout) {
+ fclose(output_file);
+ }
+ }
+
+ for(n = 0; n < nb_search_conditions; n++) {
+ free_condition(&search_conditions[n]);
+ }
+
+ free(db_filename);
+ free(db_filename_regexp_string);
+ free(db_root_path);
+ free(db_filename_list);
+ free(mbox_filename_regexp_string);
+
+ regfree(&leading_from_line_regexp);
+
exit(EXIT_SUCCESS);
}