diff options
| -rw-r--r-- | builtin-mailinfo.c | 24 | ||||
| -rw-r--r-- | builtin-mailsplit.c | 27 | ||||
| -rw-r--r-- | builtin.h | 1 | ||||
| -rwxr-xr-x | t/t5100-mailinfo.sh | 9 | ||||
| -rw-r--r-- | t/t5100/nul | bin | 0 -> 91 bytes |
5 files changed, 46 insertions, 15 deletions
diff --git a/builtin-mailinfo.c b/builtin-mailinfo.c index 11f154b31..f0c420976 100644 --- a/builtin-mailinfo.c +++ b/builtin-mailinfo.c @@ -641,7 +641,7 @@ static void decode_transfer_encoding(char *line, unsigned linesize) } } -static int handle_filter(char *line, unsigned linesize); +static int handle_filter(char *line, unsigned linesize, int linelen); static int find_boundary(void) { @@ -669,7 +669,7 @@ again: "can't recover\n"); exit(1); } - handle_filter(newline, sizeof(newline)); + handle_filter(newline, sizeof(newline), strlen(newline)); /* skip to the next boundary */ if (!find_boundary()) @@ -759,14 +759,14 @@ static int handle_commit_msg(char *line, unsigned linesize) return 0; } -static int handle_patch(char *line) +static int handle_patch(char *line, int len) { - fputs(line, patchfile); + fwrite(line, 1, len, patchfile); patch_lines++; return 0; } -static int handle_filter(char *line, unsigned linesize) +static int handle_filter(char *line, unsigned linesize, int linelen) { static int filter = 0; @@ -779,7 +779,7 @@ static int handle_filter(char *line, unsigned linesize) break; filter++; case 1: - if (!handle_patch(line)) + if (!handle_patch(line, linelen)) break; filter++; default: @@ -794,6 +794,7 @@ static void handle_body(void) int rc = 0; static char newline[2000]; static char *np = newline; + int len = strlen(line); /* Skip up to the first boundary */ if (content_top->boundary) { @@ -807,7 +808,8 @@ static void handle_body(void) /* flush any leftover */ if ((transfer_encoding == TE_BASE64) && (np != newline)) { - handle_filter(newline, sizeof(newline)); + handle_filter(newline, sizeof(newline), + strlen(newline)); } if (!handle_boundary()) return; @@ -824,7 +826,7 @@ static void handle_body(void) /* binary data most likely doesn't have newlines */ if (message_type != TYPE_TEXT) { - rc = handle_filter(line, sizeof(newline)); + rc = handle_filter(line, sizeof(line), len); break; } @@ -841,7 +843,7 @@ static void handle_body(void) /* should be sitting on a new line */ *(++np) = 0; op++; - rc = handle_filter(newline, sizeof(newline)); + rc = handle_filter(newline, sizeof(newline), np - newline); np = newline; } } while (*op != 0); @@ -851,12 +853,12 @@ static void handle_body(void) break; } default: - rc = handle_filter(line, sizeof(newline)); + rc = handle_filter(line, sizeof(line), len); } if (rc) /* nothing left to filter */ break; - } while (fgets(line, sizeof(line), fin)); + } while ((len = read_line_with_nul(line, sizeof(line), fin))); return; } diff --git a/builtin-mailsplit.c b/builtin-mailsplit.c index 46b27cdae..e4d977baf 100644 --- a/builtin-mailsplit.c +++ b/builtin-mailsplit.c @@ -45,6 +45,25 @@ static int is_from_line(const char *line, int len) /* Could be as small as 64, enough to hold a Unix "From " line. */ static char buf[4096]; +/* We cannot use fgets() because our lines can contain NULs */ +int read_line_with_nul(char *buf, int size, FILE *in) +{ + int len = 0, c; + + for (;;) { + c = getc(in); + buf[len++] = c; + if (c == EOF || c == '\n' || len + 1 >= size) + break; + } + + if (c == EOF) + len--; + buf[len] = '\0'; + + return len; +} + /* Called with the first line (potentially partial) * already in buf[] -- normally that should begin with * the Unix "From " line. Write it into the specified @@ -70,19 +89,19 @@ static int split_one(FILE *mbox, const char *name, int allow_bare) * "From " and having something that looks like a date format. */ for (;;) { - int is_partial = (buf[len-1] != '\n'); + int is_partial = len && buf[len-1] != '\n'; - if (fputs(buf, output) == EOF) + if (fwrite(buf, 1, len, output) != len) die("cannot write output"); - if (fgets(buf, sizeof(buf), mbox) == NULL) { + len = read_line_with_nul(buf, sizeof(buf), mbox); + if (len == 0) { if (feof(mbox)) { status = 1; break; } die("cannot read mbox"); } - len = strlen(buf); if (!is_partial && !is_bare && is_from_line(buf, len)) break; /* done with one message */ } @@ -9,6 +9,7 @@ extern const char git_usage_string[]; extern void list_common_cmds_help(void); extern void help_unknown_cmd(const char *cmd); extern void prune_packed_objects(int); +extern int read_line_with_nul(char *buf, int size, FILE *file); extern int cmd_add(int argc, const char **argv, const char *prefix); extern int cmd_annotate(int argc, const char **argv, const char *prefix); diff --git a/t/t5100-mailinfo.sh b/t/t5100-mailinfo.sh index d6c55c115..5a4610b86 100755 --- a/t/t5100-mailinfo.sh +++ b/t/t5100-mailinfo.sh @@ -25,4 +25,13 @@ do diff ../t5100/info$mail info$mail" done +test_expect_success 'respect NULs' ' + + git mailsplit -d3 -o. ../t5100/nul && + cmp ../t5100/nul 001 && + (cat 001 | git mailinfo msg patch) && + test 4 = $(wc -l < patch) + +' + test_done diff --git a/t/t5100/nul b/t/t5100/nul Binary files differnew file mode 100644 index 000000000..3d4069178 --- /dev/null +++ b/t/t5100/nul |